src/common/slurm_protocol_pack.c

/****************************************************************************\
 *  slurm_protocol_pack.c - functions to pack and unpack structures for RPCs
 *****************************************************************************
 *  Copyright (C) 2002-2007 The Regents of the University of California.
 *  Copyright (C) 2008-2010 Lawrence Livermore National Security.
 *  Portions Copyright (C) 2010 SchedMD <http://www.schedmd.com>.
 *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
 *  Written by Kevin Tew <tew1@llnl.gov>, et. al.
 *  CODE-OCEC-09-009. All rights reserved.
 *
 *  This file is part of SLURM, a resource management program.
 *  For details, see <http://www.schedmd.com/slurmdocs/>.
 *  Please also read the included file: DISCLAIMER.
 *
 *  SLURM is free software; you can redistribute it and/or modify it under
 *  the terms of the GNU General Public License as published by the Free
 *  Software Foundation; either version 2 of the License, or (at your option)
 *  any later version.
 *
 *  In addition, as a special exception, the copyright holders give permission
 *  to link the code of portions of this program with the OpenSSL library under
 *  certain conditions as described in each individual source file, and
 *  distribute linked combinations including the two. You must obey the GNU
 *  General Public License in all respects for all of the code used other than
 *  OpenSSL. If you modify file(s) with this exception, you may extend this
 *  exception to your version of the file(s), but you are not obligated to do
 *  so. If you do not wish to do so, delete this exception statement from your
 *  version.  If you delete this exception statement from all source files in
 *  the program, then also delete it here.
 *
 *  SLURM is distributed in the hope that it will be useful, but WITHOUT ANY
 *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 *  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 *  details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with SLURM; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA.
\*****************************************************************************/

#if HAVE_CONFIG_H
#  include "config.h"
#endif

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "src/api/slurm_pmi.h"
#include "src/common/bitstring.h"
#include "src/common/log.h"
#include "src/common/node_select.h"
#include "src/common/slurm_accounting_storage.h"
#include "src/common/slurm_jobacct_gather.h"
#include "src/common/pack.h"
#include "src/common/read_config.h"
#include "src/common/slurm_auth.h"
#include "src/common/slurm_cred.h"
#include "src/common/slurm_protocol_api.h"
#include "src/common/slurm_protocol_defs.h"
#include "src/common/slurm_protocol_pack.h"
#include "src/common/switch.h"
#include "src/common/xmalloc.h"
#include "src/common/xassert.h"
#include "src/common/forward.h"
#include "src/common/job_options.h"
#include "src/common/slurmdbd_defs.h"

#define _pack_job_info_msg(msg,buf)		_pack_buffer_msg(msg,buf)
#define _pack_job_step_info_msg(msg,buf)	_pack_buffer_msg(msg,buf)
#define _pack_block_info_resp_msg(msg,buf)	_pack_buffer_msg(msg,buf)
#define _pack_front_end_info_msg(msg,buf)	_pack_buffer_msg(msg,buf)
#define _pack_node_info_msg(msg,buf)		_pack_buffer_msg(msg,buf)
#define _pack_partition_info_msg(msg,buf)	_pack_buffer_msg(msg,buf)
#define _pack_stats_response_msg(msg,buf)	_pack_buffer_msg(msg,buf)
#define _pack_reserve_info_msg(msg,buf)		_pack_buffer_msg(msg,buf)

static void _pack_assoc_shares_object(void *in, Buf buffer,
				      uint16_t protocol_version);
static int _unpack_assoc_shares_object(void **object, Buf buffer,
				       uint16_t protocol_version);
static void _pack_shares_request_msg(shares_request_msg_t * msg, Buf buffer,
				     uint16_t protocol_version);
static int _unpack_shares_request_msg(shares_request_msg_t ** msg, Buf buffer,
				      uint16_t protocol_version);
static void _pack_shares_response_msg(shares_response_msg_t * msg, Buf buffer,
				      uint16_t protocol_version);
static int _unpack_shares_response_msg(shares_response_msg_t ** msg,
				       Buf buffer,
				       uint16_t protocol_version);
static void _pack_priority_factors_object(void *in, Buf buffer,
					  uint16_t protocol_version);
static int _unpack_priority_factors_object(void **object, Buf buffer,
					   uint16_t protocol_version);
static void _pack_priority_factors_request_msg(
	priority_factors_request_msg_t * msg, Buf buffer,
	uint16_t protocol_version);
static int _unpack_priority_factors_request_msg(
	priority_factors_request_msg_t ** msg, Buf buffer,
	uint16_t protocol_version);
static void _pack_priority_factors_response_msg(
	priority_factors_response_msg_t * msg, Buf buffer,
	uint16_t protocol_version);
static int _unpack_priority_factors_response_msg(
	priority_factors_response_msg_t ** msg, Buf buffer,
	uint16_t protocol_version);

static void _pack_update_node_msg(update_node_msg_t * msg, Buf buffer,
				  uint16_t protocol_version);
static int _unpack_update_node_msg(update_node_msg_t ** msg, Buf buffer,
				   uint16_t protocol_version);

static void
_pack_node_registration_status_msg(slurm_node_registration_status_msg_t *
				   msg, Buf buffer,
				   uint16_t protocol_version);
static int
_unpack_node_registration_status_msg(slurm_node_registration_status_msg_t
				     ** msg, Buf buffer,
				     uint16_t protocol_version);

static void _pack_job_ready_msg(job_id_msg_t * msg, Buf buffer,
				uint16_t protocol_version);
static int _unpack_job_ready_msg(job_id_msg_t ** msg_ptr, Buf buffer,
				 uint16_t protocol_version);

static void
_pack_resource_allocation_response_msg(resource_allocation_response_msg_t *
				       msg, Buf buffer,
				       uint16_t protocol_version);
static int
_unpack_resource_allocation_response_msg(resource_allocation_response_msg_t
					 ** msg, Buf buffer,
					 uint16_t protocol_version);

static void
_pack_job_alloc_info_response_msg(job_alloc_info_response_msg_t * msg,
				  Buf buffer,
				  uint16_t protocol_version);
static int
_unpack_job_alloc_info_response_msg(job_alloc_info_response_msg_t ** msg,
				    Buf buffer,
				    uint16_t protocol_version);

static void _pack_submit_response_msg(submit_response_msg_t * msg,
				      Buf buffer,
				      uint16_t protocol_version);
static int _unpack_submit_response_msg(submit_response_msg_t ** msg,
				       Buf buffer,
				       uint16_t protocol_version);

static void _pack_node_info_request_msg(
	node_info_request_msg_t * msg, Buf buffer,
	uint16_t protocol_version);

static int _unpack_node_info_request_msg(
	node_info_request_msg_t ** msg, Buf bufer,
	uint16_t protocol_version);

static int _unpack_node_info_msg(node_info_msg_t ** msg, Buf buffer,
				 uint16_t protocol_version);
static int _unpack_node_info_members(node_info_t * node, Buf buffer,
				     uint16_t protocol_version);

static void _pack_front_end_info_request_msg(
				front_end_info_request_msg_t * msg,
				Buf buffer, uint16_t protocol_version);
static int _unpack_front_end_info_request_msg(
				front_end_info_request_msg_t ** msg,
				Buf buffer, uint16_t protocol_version);
static int _unpack_front_end_info_msg(front_end_info_msg_t ** msg, Buf buffer,
				      uint16_t protocol_version);
static int _unpack_front_end_info_members(front_end_info_t *front_end,
					  Buf buffer,
					  uint16_t protocol_version);
static void _pack_update_front_end_msg(update_front_end_msg_t * msg,
				       Buf buffer, uint16_t protocol_version);
static int _unpack_update_front_end_msg(update_front_end_msg_t ** msg,
					Buf buffer, uint16_t protocol_version);

static void _pack_update_partition_msg(update_part_msg_t * msg, Buf buffer,
				       uint16_t protocol_version);
static int _unpack_update_partition_msg(update_part_msg_t ** msg, Buf buffer,
					uint16_t protocol_version);

static void _pack_delete_partition_msg(delete_part_msg_t * msg, Buf buffer,
				       uint16_t protocol_version);
static int _unpack_delete_partition_msg(delete_part_msg_t ** msg, Buf buffer,
					uint16_t protocol_version);

static void _pack_job_step_create_request_msg(job_step_create_request_msg_t
					      * msg, Buf buffer,
					      uint16_t protocol_version);
static int _unpack_job_step_create_request_msg(
	job_step_create_request_msg_t ** msg, Buf buffer,
	uint16_t protocol_version);

static void _pack_kill_job_msg(kill_job_msg_t * msg, Buf buffer,
			       uint16_t protocol_version);
static int _unpack_kill_job_msg(kill_job_msg_t ** msg, Buf buffer,
				uint16_t protocol_version);

static void _pack_signal_job_msg(signal_job_msg_t * msg, Buf buffer,
				 uint16_t protocol_version);
static int _unpack_signal_job_msg(signal_job_msg_t ** msg, Buf buffer,
				  uint16_t protocol_version);

static void _pack_epilog_comp_msg(epilog_complete_msg_t * msg, Buf buffer,
				  uint16_t protocol_version);
static int  _unpack_epilog_comp_msg(epilog_complete_msg_t ** msg, Buf buffer,
				    uint16_t protocol_version);

static void _pack_update_job_time_msg(job_time_msg_t * msg, Buf buffer,
				      uint16_t protocol_version);
static int _unpack_update_job_time_msg(job_time_msg_t ** msg, Buf buffer,
				       uint16_t protocol_version);

static void  _pack_job_step_create_response_msg(
	job_step_create_response_msg_t * msg, Buf buffer,
	uint16_t protocol_version);
static int _unpack_job_step_create_response_msg(
	job_step_create_response_msg_t ** msg, Buf buffer,
	uint16_t protocol_version);

static void _pack_part_info_request_msg(part_info_request_msg_t * msg,
					Buf buffer, uint16_t protocol_version);
static int _unpack_part_info_request_msg(part_info_request_msg_t ** msg,
					 Buf buffer, uint16_t protocol_version);

static void _pack_resv_info_request_msg(resv_info_request_msg_t * msg,
					Buf buffer, uint16_t protocol_version);
static int _unpack_resv_info_request_msg(resv_info_request_msg_t **msg,
					 Buf buffer, uint16_t protocol_version);

static int _unpack_partition_info_msg(partition_info_msg_t ** msg,
				      Buf buffer, uint16_t protocol_version);
static int _unpack_partition_info_members(partition_info_t * part,
					  Buf buffer,
					  uint16_t protocol_version);

static int _unpack_reserve_info_msg(reserve_info_msg_t ** msg,
				    Buf buffer, uint16_t protocol_version);
static int _unpack_reserve_info_members(reserve_info_t * resv,
					Buf buffer, uint16_t protocol_version);

static void _pack_launch_tasks_request_msg(launch_tasks_request_msg_t *msg,
					   Buf buffer,
					   uint16_t protocol_version);
static int _unpack_launch_tasks_request_msg(
	launch_tasks_request_msg_t **msg_ptr, Buf buffer,
	uint16_t protocol_version);


static void _pack_task_user_managed_io_stream_msg(task_user_managed_io_msg_t *
						  msg, Buf buffer,
						  uint16_t protocol_version);
static int _unpack_task_user_managed_io_stream_msg(task_user_managed_io_msg_t **
						   msg_ptr, Buf buffer,
						   uint16_t protocol_version);

static void _pack_cancel_tasks_msg(kill_tasks_msg_t * msg, Buf buffer,
				   uint16_t protocol_version);
static int _unpack_cancel_tasks_msg(kill_tasks_msg_t ** msg_ptr, Buf buffer,
				    uint16_t protocol_version);

static void _pack_checkpoint_tasks_msg(checkpoint_tasks_msg_t * msg, Buf buffer,
				       uint16_t protocol_version);
static int _unpack_checkpoint_tasks_msg(checkpoint_tasks_msg_t ** msg_ptr,
					Buf buffer, uint16_t protocol_version);

static void _pack_launch_tasks_response_msg(launch_tasks_response_msg_t *msg,
					    Buf buffer,
					    uint16_t protocol_version);
static int _unpack_launch_tasks_response_msg(
	launch_tasks_response_msg_t **msg_ptr, Buf buffer,
	uint16_t protocol_version);

static void _pack_reboot_msg(reboot_msg_t * msg, Buf buffer,
			     uint16_t protocol_version);
static int _unpack_reboot_msg(reboot_msg_t ** msg_ptr, Buf buffer,
			      uint16_t protocol_version);

static void _pack_shutdown_msg(shutdown_msg_t * msg, Buf buffer,
			       uint16_t protocol_version);
static int _unpack_shutdown_msg(shutdown_msg_t ** msg_ptr, Buf buffer,
				uint16_t protocol_version);

static void _pack_reattach_tasks_request_msg(reattach_tasks_request_msg_t *,
					     Buf, uint16_t);
static int _unpack_reattach_tasks_request_msg(reattach_tasks_request_msg_t **,
					      Buf, uint16_t);

static void
_pack_reattach_tasks_response_msg(reattach_tasks_response_msg_t *,
				  Buf, uint16_t);
static int
_unpack_reattach_tasks_response_msg(reattach_tasks_response_msg_t **,
				    Buf, uint16_t);

static void _pack_task_exit_msg(task_exit_msg_t * msg, Buf buffer,
				uint16_t protocol_version);
static int _unpack_task_exit_msg(task_exit_msg_t ** msg_ptr, Buf buffer,
				 uint16_t protocol_version);

static void _pack_job_alloc_info_msg(job_alloc_info_msg_t * job_desc_ptr,
				     Buf buffer,
				     uint16_t protocol_version);
static int
_unpack_job_alloc_info_msg(job_alloc_info_msg_t **job_desc_buffer_ptr,
			   Buf buffer,
			   uint16_t protocol_version);

static void _pack_return_code_msg(return_code_msg_t * msg, Buf buffer,
				  uint16_t protocol_version);
static int _unpack_return_code_msg(return_code_msg_t ** msg, Buf buffer,
				   uint16_t protocol_version);

static void _pack_slurm_ctl_conf_msg(slurm_ctl_conf_info_msg_t * build_ptr,
				     Buf buffer, uint16_t protocol_version);
static int _unpack_slurm_ctl_conf_msg(slurm_ctl_conf_info_msg_t **
				      build_buffer_ptr, Buf buffer,
				      uint16_t protocol_version);

static void _pack_job_info_request_msg(job_info_request_msg_t *
				       msg, Buf buffer,
				       uint16_t protocol_version);
static int _unpack_job_info_request_msg(job_info_request_msg_t**
					msg, Buf buffer,
					uint16_t protocol_version);

static void _pack_block_info_req_msg(block_info_request_msg_t *
				     msg, Buf buffer,
				     uint16_t protocol_version);
static int _unpack_block_info_req_msg(block_info_request_msg_t **
				      msg, Buf buffer,
				      uint16_t protocol_version);
static void _pack_block_info_msg(block_info_t *block_info, Buf buffer,
				 uint16_t protocol_version);
static int _unpack_block_info(block_info_t **block_info, Buf buffer,
			      uint16_t protocol_version);

static void _pack_job_step_info_req_msg(job_step_info_request_msg_t * msg,
					Buf buffer,
					uint16_t protocol_version);
static int _unpack_job_step_info_req_msg(job_step_info_request_msg_t **
					 msg, Buf buffer,
					 uint16_t protocol_version);
static int _unpack_job_step_info_response_msg(job_step_info_response_msg_t
					      ** msg, Buf buffer,
					      uint16_t protocol_version);
static int _unpack_job_step_info_members(job_step_info_t * step, Buf buffer,
					 uint16_t protocol_version);

static void _pack_complete_job_allocation_msg(
	complete_job_allocation_msg_t * msg, Buf buffer,
	uint16_t protocol_version);
static int _unpack_complete_job_allocation_msg(
	complete_job_allocation_msg_t ** msg_ptr, Buf buffer,
	uint16_t protocol_version);
static void _pack_complete_batch_script_msg(
	complete_batch_script_msg_t * msg, Buf buffer,
	uint16_t protocol_version);
static int _unpack_complete_batch_script_msg(
	complete_batch_script_msg_t ** msg_ptr, Buf buffer,
	uint16_t protocol_version);

static void _pack_job_step_stat(job_step_stat_t * msg, Buf buffer,
				uint16_t protocol_version);
static int _unpack_job_step_stat(job_step_stat_t ** msg_ptr, Buf buffer,
				 uint16_t protocol_version);

static void _pack_job_step_id_msg(job_step_id_msg_t * msg, Buf buffer,
				  uint16_t protocol_version);
static int _unpack_job_step_id_msg(job_step_id_msg_t ** msg_ptr, Buf buffer,
				   uint16_t protocol_version);

static void _pack_job_step_pids(job_step_pids_t *msg, Buf buffer,
				uint16_t protocol_version);
static int _unpack_job_step_pids(job_step_pids_t **msg, Buf buffer,
				 uint16_t protocol_version);

static void _pack_step_complete_msg(step_complete_msg_t * msg,
				    Buf buffer,
				    uint16_t protocol_version);
static int _unpack_step_complete_msg(step_complete_msg_t **
				     msg_ptr, Buf buffer,
				     uint16_t protocol_version);
static int _unpack_job_info_members(job_info_t * job, Buf buffer,
				    uint16_t protocol_version);

static void _pack_batch_job_launch_msg(batch_job_launch_msg_t * msg,
				       Buf buffer,
				       uint16_t protocol_version);
static int _unpack_batch_job_launch_msg(batch_job_launch_msg_t ** msg,
					Buf buffer,
					uint16_t protocol_version);

static void _pack_job_desc_msg(job_desc_msg_t * job_desc_ptr, Buf buffer,
			       uint16_t protocol_version);
static int _unpack_job_desc_msg(job_desc_msg_t ** job_desc_buffer_ptr,
				Buf buffer,
				uint16_t protocol_version);
static int _unpack_job_info_msg(job_info_msg_t ** msg, Buf buffer,
				uint16_t protocol_version);

static void _pack_last_update_msg(last_update_msg_t * msg, Buf buffer,
				  uint16_t protocol_version);
static int _unpack_last_update_msg(last_update_msg_t ** msg, Buf buffer,
				   uint16_t protocol_version);

static void _pack_slurm_addr_array(slurm_addr_t * slurm_address,
				   uint32_t size_val, Buf buffer,
				   uint16_t protocol_version);
static int _unpack_slurm_addr_array(slurm_addr_t ** slurm_address,
				    uint32_t * size_val, Buf buffer,
				    uint16_t protocol_version);

static void _pack_ret_list(List ret_list, uint16_t size_val, Buf buffer,
			   uint16_t protocol_version);
static int _unpack_ret_list(List *ret_list, uint16_t size_val, Buf buffer,
			    uint16_t protocol_version);

static void _pack_job_id_request_msg(job_id_request_msg_t * msg, Buf buffer,
				     uint16_t protocol_version);
static int
_unpack_job_id_request_msg(job_id_request_msg_t ** msg, Buf buffer,
			   uint16_t protocol_version);

static void _pack_job_id_response_msg(job_id_response_msg_t * msg, Buf buffer,
				      uint16_t protocol_version);
static int  _unpack_job_id_response_msg(job_id_response_msg_t ** msg,
					Buf buffer,
					uint16_t protocol_version);

static void _pack_job_step_kill_msg(job_step_kill_msg_t * msg, Buf buffer,
				    uint16_t protocol_version);
static int  _unpack_job_step_kill_msg(job_step_kill_msg_t ** msg_ptr,
				      Buf buffer,
				      uint16_t protocol_version);

static void _pack_srun_exec_msg(srun_exec_msg_t * msg, Buf buffer,
				uint16_t protocol_version);
static int  _unpack_srun_exec_msg(srun_exec_msg_t ** msg_ptr, Buf buffer,
				  uint16_t protocol_version);

static void _pack_srun_ping_msg(srun_ping_msg_t * msg, Buf buffer,
				uint16_t protocol_version);
static int  _unpack_srun_ping_msg(srun_ping_msg_t ** msg_ptr, Buf buffer,
				  uint16_t protocol_version);

static void _pack_srun_node_fail_msg(srun_node_fail_msg_t * msg, Buf buffer,
				     uint16_t protocol_version);
static int  _unpack_srun_node_fail_msg(srun_node_fail_msg_t ** msg_ptr,
				       Buf buffer,
				       uint16_t protocol_version);

static void _pack_srun_step_missing_msg(srun_step_missing_msg_t * msg,
					Buf buffer,
					uint16_t protocol_version);
static int  _unpack_srun_step_missing_msg(srun_step_missing_msg_t ** msg_ptr,
					  Buf buffer,
					  uint16_t protocol_version);

static void _pack_srun_timeout_msg(srun_timeout_msg_t * msg, Buf buffer,
				   uint16_t protocol_version);
static int  _unpack_srun_timeout_msg(srun_timeout_msg_t ** msg_ptr,
				     Buf buffer,
				     uint16_t protocol_version);

static void _pack_srun_user_msg(srun_user_msg_t * msg, Buf buffer,
				uint16_t protocol_version);
static int  _unpack_srun_user_msg(srun_user_msg_t ** msg_ptr, Buf buffer,
				  uint16_t protocol_version);

static void _pack_checkpoint_msg(checkpoint_msg_t *msg, Buf buffer,
				 uint16_t protocol_version);
static int  _unpack_checkpoint_msg(checkpoint_msg_t **msg_ptr, Buf buffer,
				   uint16_t protocol_version);

static void _pack_checkpoint_resp_msg(checkpoint_resp_msg_t *msg, Buf buffer,
				      uint16_t protocol_version);
static int  _unpack_checkpoint_resp_msg(checkpoint_resp_msg_t **msg_ptr,
					Buf buffer,
					uint16_t protocol_version);

static void _pack_checkpoint_comp(checkpoint_comp_msg_t *msg, Buf buffer,
				  uint16_t protocol_version);
static int  _unpack_checkpoint_comp(checkpoint_comp_msg_t **msg_ptr,
				    Buf buffer,
				    uint16_t protocol_version);

static void _pack_checkpoint_task_comp(checkpoint_task_comp_msg_t *msg,
				       Buf buffer,
				       uint16_t protocol_version);
static int  _unpack_checkpoint_task_comp(checkpoint_task_comp_msg_t **msg_ptr,
					 Buf buffer,
					 uint16_t protocol_version);

static void _pack_suspend_msg(suspend_msg_t *msg, Buf buffer,
			      uint16_t protocol_version);
static int  _unpack_suspend_msg(suspend_msg_t **msg_ptr, Buf buffer,
				uint16_t protocol_version);

static void _pack_buffer_msg(slurm_msg_t * msg, Buf buffer);

static void _pack_kvs_host_rec(struct kvs_hosts *msg_ptr, Buf buffer,
			       uint16_t protocol_version);
static int  _unpack_kvs_host_rec(struct kvs_hosts *msg_ptr, Buf buffer,
				 uint16_t protocol_version);

static void _pack_kvs_rec(struct kvs_comm *msg_ptr, Buf buffer,
			  uint16_t protocol_version);
static int  _unpack_kvs_rec(struct kvs_comm **msg_ptr, Buf buffer,
			    uint16_t protocol_version);

static void _pack_kvs_data(struct kvs_comm_set *msg_ptr, Buf buffer,
			   uint16_t protocol_version);
static int  _unpack_kvs_data(struct kvs_comm_set **msg_ptr, Buf buffer,
			     uint16_t protocol_version);

static void _pack_kvs_get(kvs_get_msg_t *msg_ptr, Buf buffer,
			  uint16_t protocol_version);
static int  _unpack_kvs_get(kvs_get_msg_t **msg_ptr, Buf buffer,
			    uint16_t protocol_version);

static void _pack_file_bcast(file_bcast_msg_t * msg , Buf buffer,
			     uint16_t protocol_version);
static int _unpack_file_bcast(file_bcast_msg_t ** msg_ptr , Buf buffer,
			      uint16_t protocol_version);

static void _pack_trigger_msg(trigger_info_msg_t *msg , Buf buffer,
			      uint16_t protocol_version);
static int  _unpack_trigger_msg(trigger_info_msg_t ** msg_ptr , Buf buffer,
				uint16_t protocol_version);

static void _pack_slurmd_status(slurmd_status_t *msg, Buf buffer,
				uint16_t protocol_version);
static int  _unpack_slurmd_status(slurmd_status_t **msg_ptr, Buf buffer,
				  uint16_t protocol_version);

static void _pack_job_notify(job_notify_msg_t *msg, Buf buffer,
			     uint16_t protocol_version);
static int  _unpack_job_notify(job_notify_msg_t **msg_ptr, Buf buffer,
			       uint16_t protocol_version);

static void _pack_set_debug_flags_msg(set_debug_flags_msg_t * msg, Buf buffer,
				      uint16_t protocol_version);
static int _unpack_set_debug_flags_msg(set_debug_flags_msg_t ** msg_ptr,
				       Buf buffer,
				       uint16_t protocol_version);

static void _pack_set_debug_level_msg(set_debug_level_msg_t * msg, Buf buffer,
				      uint16_t protocol_version);
static int _unpack_set_debug_level_msg(set_debug_level_msg_t ** msg_ptr,
				       Buf buffer,
				       uint16_t protocol_version);

static void _pack_will_run_response_msg(will_run_response_msg_t *msg, Buf buffer,
					uint16_t protocol_version);
static int  _unpack_will_run_response_msg(will_run_response_msg_t ** msg_ptr,
					  Buf buffer,
					  uint16_t protocol_version);

static void _pack_accounting_update_msg(accounting_update_msg_t *msg,
					Buf buffer,
					uint16_t protocol_version);
static int _unpack_accounting_update_msg(accounting_update_msg_t **msg,
					 Buf buffer,
					 uint16_t protocol_version);

static void _pack_update_resv_msg(resv_desc_msg_t * msg, Buf buffer,
				  uint16_t protocol_version);
static int  _unpack_update_resv_msg(resv_desc_msg_t ** msg, Buf buffer,
				    uint16_t protocol_version);
static void _pack_resv_name_msg(reservation_name_msg_t * msg, Buf buffer,
				uint16_t protocol_version);
static int  _unpack_resv_name_msg(reservation_name_msg_t ** msg, Buf buffer,
				  uint16_t protocol_version);

static void _pack_topo_info_msg(topo_info_response_msg_t *msg, Buf buffer,
				uint16_t protocol_version);
static int  _unpack_topo_info_msg(topo_info_response_msg_t **msg,
				  Buf buffer,
				  uint16_t protocol_version);

static void _pack_job_sbcast_cred_msg(job_sbcast_cred_msg_t *msg, Buf buffer,
				      uint16_t protocol_version);
static int  _unpack_job_sbcast_cred_msg(job_sbcast_cred_msg_t **msg,
					Buf buffer,
					uint16_t protocol_version);

static void _pack_update_job_step_msg(step_update_request_msg_t * msg,
				      Buf buffer, uint16_t protocol_version);
static int _unpack_update_job_step_msg(step_update_request_msg_t ** msg_ptr,
				       Buf buffer, uint16_t protocol_version);

static void _pack_spank_env_request_msg(spank_env_request_msg_t * msg,
					Buf buffer, uint16_t protocol_version);
static int _unpack_spank_env_request_msg(spank_env_request_msg_t ** msg_ptr,
					 Buf buffer, uint16_t protocol_version);

static void _pack_spank_env_responce_msg(spank_env_responce_msg_t * msg,
					 Buf buffer, uint16_t protocol_version);
static int _unpack_spank_env_responce_msg(spank_env_responce_msg_t ** msg_ptr,
					  Buf buffer, uint16_t protocol_version);


static void _pack_stats_request_msg(stats_info_request_msg_t *msg, Buf buffer,
				    uint16_t protocol_version);
static int  _unpack_stats_request_msg(stats_info_request_msg_t **msg_ptr,
				      Buf buffer, uint16_t protocol_version);
static int  _unpack_stats_response_msg(stats_info_response_msg_t **msg_ptr,
				       Buf buffer, uint16_t protocol_version);

static void _pack_forward_data_msg(forward_data_msg_t *msg,
				   Buf buffer, uint16_t protocol_version);
static int _unpack_forward_data_msg(forward_data_msg_t **msg_ptr,
				    Buf buffer, uint16_t protocol_version);

/* pack_header
 * packs a slurm protocol header that precedes every slurm message
 * IN header - the header structure to pack
 * IN/OUT buffer - destination of the pack, contains pointers that are
 *			automatically updated
 */
void
pack_header(header_t * header, Buf buffer)
{
	pack16((uint16_t)header->version, buffer);
	pack16((uint16_t)header->flags, buffer);
	pack16((uint16_t)header->msg_type, buffer);
	pack32((uint32_t)header->body_length, buffer);
	pack16((uint16_t)header->forward.cnt, buffer);
	if (header->forward.cnt > 0) {
		packstr(header->forward.nodelist, buffer);
		pack32((uint32_t)header->forward.timeout, buffer);
	}
	pack16((uint16_t)header->ret_cnt, buffer);
	if (header->ret_cnt > 0) {
		_pack_ret_list(header->ret_list,
			       header->ret_cnt, buffer, header->version);
	}
	slurm_pack_slurm_addr(&header->orig_addr, buffer);
}

/* unpack_header
 * unpacks a slurm protocol header that precedes every slurm message
 * OUT header - the header structure to unpack
 * IN/OUT buffer - source of the unpack data, contains pointers that are
 *			automatically updated
 * RET 0 or error code
 */
int
unpack_header(header_t * header, Buf buffer)
{
	uint32_t uint32_tmp = 0;

	memset(header, 0, sizeof(header_t));
	forward_init(&header->forward, NULL);
	header->ret_list = NULL;
	safe_unpack16(&header->version, buffer);
	safe_unpack16(&header->flags, buffer);
	safe_unpack16(&header->msg_type, buffer);
	safe_unpack32(&header->body_length, buffer);
	safe_unpack16(&header->forward.cnt, buffer);
	if (header->forward.cnt > 0) {
		safe_unpackstr_xmalloc(&header->forward.nodelist,
				       &uint32_tmp, buffer);
		safe_unpack32(&header->forward.timeout, buffer);
	}

	safe_unpack16(&header->ret_cnt, buffer);
	if (header->ret_cnt > 0) {
		if (_unpack_ret_list(&(header->ret_list),
				     header->ret_cnt, buffer, header->version))
			goto unpack_error;
	} else {
		header->ret_list = NULL;
	}
	slurm_unpack_slurm_addr_no_alloc(&header->orig_addr, buffer);

	return SLURM_SUCCESS;

unpack_error:
	error("unpacking header");
	destroy_forward(&header->forward);
	if (header->ret_list)
		list_destroy(header->ret_list);
	return SLURM_ERROR;
}


/* pack_msg
 * packs a generic slurm protocol message body
 * IN msg - the body structure to pack (note: includes message type)
 * IN/OUT buffer - destination of the pack, contains pointers that are
 *			automatically updated
 * RET 0 or error code
 */
int
pack_msg(slurm_msg_t const *msg, Buf buffer)
{
	switch (msg->msg_type) {
	case REQUEST_NODE_INFO:
		_pack_node_info_request_msg((node_info_request_msg_t *)
					    msg->data, buffer,
					    msg->protocol_version);
		break;
	case REQUEST_PARTITION_INFO:
		_pack_part_info_request_msg((part_info_request_msg_t *)
					    msg->data, buffer,
					    msg->protocol_version);
		break;
	case REQUEST_RESERVATION_INFO:
		_pack_resv_info_request_msg((resv_info_request_msg_t *)
					    msg->data, buffer,
					    msg->protocol_version);
		break;
	case REQUEST_BUILD_INFO:
	case REQUEST_ACCTING_INFO:
		_pack_last_update_msg((last_update_msg_t *)
				      msg->data, buffer,
				      msg->protocol_version);
		break;
	case RESPONSE_BUILD_INFO:
		_pack_slurm_ctl_conf_msg((slurm_ctl_conf_info_msg_t *)
					 msg->data, buffer,
					 msg->protocol_version);
		break;
	case RESPONSE_JOB_INFO:
		_pack_job_info_msg((slurm_msg_t *) msg, buffer);
		break;
	case RESPONSE_PARTITION_INFO:
		_pack_partition_info_msg((slurm_msg_t *) msg, buffer);
		break;
	case RESPONSE_NODE_INFO:
		_pack_node_info_msg((slurm_msg_t *) msg, buffer);
		break;
	case MESSAGE_NODE_REGISTRATION_STATUS:
		_pack_node_registration_status_msg(
			(slurm_node_registration_status_msg_t *) msg->data,
			buffer,
			msg->protocol_version);
		break;
	case REQUEST_RESOURCE_ALLOCATION:
	case REQUEST_SUBMIT_BATCH_JOB:
	case REQUEST_JOB_WILL_RUN:
	case REQUEST_UPDATE_JOB:
		_pack_job_desc_msg((job_desc_msg_t *)
				   msg->data, buffer,
				   msg->protocol_version);
		break;
	case REQUEST_UPDATE_JOB_STEP:
		_pack_update_job_step_msg((step_update_request_msg_t *)
					  msg->data, buffer,
					  msg->protocol_version);
	case REQUEST_JOB_END_TIME:
	case REQUEST_JOB_ALLOCATION_INFO:
	case REQUEST_JOB_ALLOCATION_INFO_LITE:
	case REQUEST_JOB_SBCAST_CRED:
		_pack_job_alloc_info_msg((job_alloc_info_msg_t *) msg->data,
					 buffer,
					 msg->protocol_version);
		break;
	case REQUEST_NODE_REGISTRATION_STATUS:
	case REQUEST_RECONFIGURE:
	case REQUEST_SHUTDOWN_IMMEDIATE:
	case REQUEST_PING:
	case REQUEST_CONTROL:
	case REQUEST_TAKEOVER:
	case REQUEST_DAEMON_STATUS:
	case REQUEST_HEALTH_CHECK:
	case ACCOUNTING_FIRST_REG:
	case ACCOUNTING_REGISTER_CTLD:
	case REQUEST_TOPO_INFO:
		/* Message contains no body/information */
		break;
	case REQUEST_REBOOT_NODES:
		_pack_reboot_msg((reboot_msg_t *)msg->data, buffer,
				 msg->protocol_version);
		break;
	case REQUEST_SHUTDOWN:
		_pack_shutdown_msg((shutdown_msg_t *) msg->data, buffer,
				   msg->protocol_version);
		break;
	case RESPONSE_SUBMIT_BATCH_JOB:
		_pack_submit_response_msg((submit_response_msg_t *)
					  msg->data, buffer,
					  msg->protocol_version);
		break;
	case RESPONSE_JOB_ALLOCATION_INFO_LITE:
	case RESPONSE_RESOURCE_ALLOCATION:
		_pack_resource_allocation_response_msg
			((resource_allocation_response_msg_t *) msg->data,
			 buffer,
			 msg->protocol_version);
		break;
	case RESPONSE_JOB_WILL_RUN:
		_pack_will_run_response_msg((will_run_response_msg_t *)
					    msg->data, buffer,
					    msg->protocol_version);
		break;
	case RESPONSE_JOB_ALLOCATION_INFO:
		_pack_job_alloc_info_response_msg(
			(job_alloc_info_response_msg_t *)
			msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_UPDATE_FRONT_END:
		_pack_update_front_end_msg((update_front_end_msg_t *) msg->data,
					   buffer, msg->protocol_version);
		break;
	case REQUEST_UPDATE_NODE:
		_pack_update_node_msg((update_node_msg_t *) msg->data,
				      buffer,
				      msg->protocol_version);
		break;
	case REQUEST_CREATE_PARTITION:
	case REQUEST_UPDATE_PARTITION:
		_pack_update_partition_msg((update_part_msg_t *) msg->
					   data, buffer,
					   msg->protocol_version);
		break;
	case REQUEST_DELETE_PARTITION:
		_pack_delete_partition_msg((delete_part_msg_t *) msg->
					   data, buffer,
					   msg->protocol_version);
		break;
	case REQUEST_CREATE_RESERVATION:
	case REQUEST_UPDATE_RESERVATION:
		_pack_update_resv_msg((resv_desc_msg_t *) msg->
				      data, buffer,
				      msg->protocol_version);
		break;
	case RESPONSE_RESERVATION_INFO:
		_pack_reserve_info_msg((slurm_msg_t *) msg, buffer);
		break;
	case REQUEST_DELETE_RESERVATION:
	case RESPONSE_CREATE_RESERVATION:
		_pack_resv_name_msg((reservation_name_msg_t *) msg->
				    data, buffer,
				    msg->protocol_version);
		break;
	case REQUEST_UPDATE_BLOCK:
		_pack_block_info_msg((block_info_t *)msg->data, buffer,
				     msg->protocol_version);
		break;
	case REQUEST_REATTACH_TASKS:
		_pack_reattach_tasks_request_msg(
			(reattach_tasks_request_msg_t *) msg->data, buffer,
			msg->protocol_version);
		break;
	case RESPONSE_REATTACH_TASKS:
		_pack_reattach_tasks_response_msg(
			(reattach_tasks_response_msg_t *) msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_LAUNCH_TASKS:
		_pack_launch_tasks_request_msg(
			(launch_tasks_request_msg_t *) msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_LAUNCH_TASKS:
		_pack_launch_tasks_response_msg((launch_tasks_response_msg_t
						 *) msg->data, buffer,
						msg->protocol_version);
		break;
	case TASK_USER_MANAGED_IO_STREAM:
		_pack_task_user_managed_io_stream_msg(
			(task_user_managed_io_msg_t *) msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_SIGNAL_TASKS:
	case REQUEST_TERMINATE_TASKS:
		_pack_cancel_tasks_msg((kill_tasks_msg_t *) msg->data,
				       buffer,
				       msg->protocol_version);
		break;
	case REQUEST_CHECKPOINT_TASKS:
		_pack_checkpoint_tasks_msg((checkpoint_tasks_msg_t *) msg->data,
					   buffer,
					   msg->protocol_version);
		break;
	case REQUEST_JOB_STEP_INFO:
		_pack_job_step_info_req_msg((job_step_info_request_msg_t
					     *) msg->data, buffer,
					    msg->protocol_version);
		break;
	case REQUEST_JOB_INFO:
		_pack_job_info_request_msg((job_info_request_msg_t *)
					   msg->data, buffer,
					   msg->protocol_version);
		break;
	case REQUEST_CANCEL_JOB_STEP:
	case SRUN_STEP_SIGNAL:
		_pack_job_step_kill_msg((job_step_kill_msg_t *)
					msg->data, buffer,
					msg->protocol_version);
		break;
	case REQUEST_COMPLETE_JOB_ALLOCATION:
		_pack_complete_job_allocation_msg(
			(complete_job_allocation_msg_t *)msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_COMPLETE_BATCH_SCRIPT:
		_pack_complete_batch_script_msg(
			(complete_batch_script_msg_t *)msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_STEP_COMPLETE:
		_pack_step_complete_msg((step_complete_msg_t *)msg->data,
					buffer,
					msg->protocol_version);
		break;
	case RESPONSE_JOB_STEP_STAT:
		_pack_job_step_stat((job_step_stat_t *) msg->data,
				    buffer,
				    msg->protocol_version);
		break;
	case REQUEST_STEP_LAYOUT:
	case REQUEST_JOB_STEP_STAT:
	case REQUEST_JOB_STEP_PIDS:
		_pack_job_step_id_msg((job_step_id_msg_t *)msg->data, buffer,
				      msg->protocol_version);
		break;
	case RESPONSE_STEP_LAYOUT:
		pack_slurm_step_layout((slurm_step_layout_t *)msg->data,
				       buffer,
				       msg->protocol_version);
		break;
	case RESPONSE_JOB_STEP_PIDS:
		_pack_job_step_pids((job_step_pids_t *)msg->data,
				    buffer,
				    msg->protocol_version);
		break;
	case REQUEST_SIGNAL_JOB:
		_pack_signal_job_msg((signal_job_msg_t *) msg->data, buffer,
				     msg->protocol_version);
		break;
	case REQUEST_ABORT_JOB:
	case REQUEST_KILL_PREEMPTED:
	case REQUEST_KILL_TIMELIMIT:
	case REQUEST_TERMINATE_JOB:
		_pack_kill_job_msg((kill_job_msg_t *) msg->data, buffer,
				   msg->protocol_version);
		break;
	case MESSAGE_EPILOG_COMPLETE:
		_pack_epilog_comp_msg((epilog_complete_msg_t *) msg->data,
				      buffer,
				      msg->protocol_version);
		break;
	case REQUEST_UPDATE_JOB_TIME:
		_pack_update_job_time_msg((job_time_msg_t *)
					  msg->data, buffer,
					  msg->protocol_version);
		break;
	case RESPONSE_RECONFIGURE:
	case RESPONSE_SHUTDOWN:
	case RESPONSE_CANCEL_JOB_STEP:
		break;
	case REQUEST_JOB_ATTACH:
		break;
	case RESPONSE_JOB_ATTACH:
		break;
	case RESPONSE_JOB_STEP_INFO:
		_pack_job_step_info_msg((slurm_msg_t *) msg, buffer);
		break;
	case REQUEST_JOB_RESOURCE:
		break;
	case RESPONSE_JOB_RESOURCE:
		break;
	case REQUEST_RUN_JOB_STEP:
		break;
	case RESPONSE_RUN_JOB_STEP:
		break;
	case MESSAGE_TASK_EXIT:
		_pack_task_exit_msg((task_exit_msg_t *) msg->data, buffer,
				    msg->protocol_version);
		break;
	case REQUEST_BATCH_JOB_LAUNCH:
		_pack_batch_job_launch_msg((batch_job_launch_msg_t *)
					   msg->data, buffer,
					   msg->protocol_version);
		break;
	case RESPONSE_JOB_READY:
	case RESPONSE_SLURM_RC:
		_pack_return_code_msg((return_code_msg_t *) msg->data,
				      buffer,
				      msg->protocol_version);
		break;
	case RESPONSE_JOB_STEP_CREATE:
		_pack_job_step_create_response_msg(
			(job_step_create_response_msg_t *)
			msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_JOB_STEP_CREATE:
		_pack_job_step_create_request_msg(
			(job_step_create_request_msg_t *)
			msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_JOB_ID:
		_pack_job_id_request_msg(
			(job_id_request_msg_t *)msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_JOB_ID:
		_pack_job_id_response_msg(
			(job_id_response_msg_t *)msg->data,
			buffer,
			msg->protocol_version);
		break;
	case SRUN_EXEC:
		_pack_srun_exec_msg((srun_exec_msg_t *)msg->data, buffer,
				    msg->protocol_version);
		break;
	case SRUN_JOB_COMPLETE:
	case SRUN_PING:
		_pack_srun_ping_msg((srun_ping_msg_t *)msg->data, buffer,
				    msg->protocol_version);
		break;
	case SRUN_NODE_FAIL:
		_pack_srun_node_fail_msg((srun_node_fail_msg_t *)msg->data,
					 buffer,
					 msg->protocol_version);
		break;
	case SRUN_STEP_MISSING:
		_pack_srun_step_missing_msg((srun_step_missing_msg_t *)
					    msg->data, buffer,
					    msg->protocol_version);
		break;
	case SRUN_TIMEOUT:
		_pack_srun_timeout_msg((srun_timeout_msg_t *)msg->data, buffer,
				       msg->protocol_version);
		break;
	case SRUN_USER_MSG:
		_pack_srun_user_msg((srun_user_msg_t *)msg->data, buffer,
				    msg->protocol_version);
		break;
	case REQUEST_CHECKPOINT:
		_pack_checkpoint_msg((checkpoint_msg_t *)msg->data, buffer,
				     msg->protocol_version);
		break;
	case REQUEST_CHECKPOINT_COMP:
		_pack_checkpoint_comp((checkpoint_comp_msg_t *)msg->data,
				      buffer,
				      msg->protocol_version);
		break;
	case REQUEST_CHECKPOINT_TASK_COMP:
		_pack_checkpoint_task_comp(
			(checkpoint_task_comp_msg_t *)msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_CHECKPOINT:
	case RESPONSE_CHECKPOINT_COMP:
		_pack_checkpoint_resp_msg((checkpoint_resp_msg_t *)msg->data,
					  buffer,
					  msg->protocol_version);
		break;
	case REQUEST_SUSPEND:
	case SRUN_REQUEST_SUSPEND:
		_pack_suspend_msg((suspend_msg_t *)msg->data, buffer,
				  msg->protocol_version);
		break;

	case REQUEST_JOB_READY:
	case REQUEST_JOB_REQUEUE:
	case REQUEST_JOB_INFO_SINGLE:
		_pack_job_ready_msg((job_id_msg_t *)msg->data, buffer,
				    msg->protocol_version);
		break;

	case REQUEST_SHARE_INFO:
		_pack_shares_request_msg((shares_request_msg_t *)msg->data,
					 buffer,
					 msg->protocol_version);
		break;
	case RESPONSE_SHARE_INFO:
		_pack_shares_response_msg((shares_response_msg_t *)msg->data,
					  buffer,
					  msg->protocol_version);
		break;
	case REQUEST_PRIORITY_FACTORS:
		_pack_priority_factors_request_msg(
			(priority_factors_request_msg_t*)msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_PRIORITY_FACTORS:
		_pack_priority_factors_response_msg(
			(priority_factors_response_msg_t*)msg->data,
			buffer,
			msg->protocol_version);
		break;
	case REQUEST_BLOCK_INFO:
		_pack_block_info_req_msg(
			(block_info_request_msg_t *) msg->data, buffer,
			msg->protocol_version);
		break;
	case RESPONSE_BLOCK_INFO:
		_pack_block_info_resp_msg((slurm_msg_t *) msg, buffer);
		break;
	case REQUEST_FILE_BCAST:
		_pack_file_bcast((file_bcast_msg_t *) msg->data, buffer,
				 msg->protocol_version);
		break;
	case PMI_KVS_PUT_REQ:
	case PMI_KVS_GET_RESP:
		_pack_kvs_data((struct kvs_comm_set *) msg->data, buffer,
			       msg->protocol_version);
		break;
	case PMI_KVS_GET_REQ:
		_pack_kvs_get((kvs_get_msg_t *) msg->data, buffer,
			      msg->protocol_version);
		break;
	case PMI_KVS_PUT_RESP:
		break;	/* no data in message */
	case RESPONSE_FORWARD_FAILED:
		break;
	case REQUEST_TRIGGER_GET:
	case RESPONSE_TRIGGER_GET:
	case REQUEST_TRIGGER_SET:
	case REQUEST_TRIGGER_CLEAR:
	case REQUEST_TRIGGER_PULL:
		_pack_trigger_msg((trigger_info_msg_t *) msg->data, buffer,
				  msg->protocol_version);
		break;
	case RESPONSE_SLURMD_STATUS:
		_pack_slurmd_status((slurmd_status_t *) msg->data, buffer,
				    msg->protocol_version);
		break;
	case REQUEST_JOB_NOTIFY:
		_pack_job_notify((job_notify_msg_t *) msg->data, buffer,
				 msg->protocol_version);
		break;
	case REQUEST_SET_DEBUG_FLAGS:
		_pack_set_debug_flags_msg(
			(set_debug_flags_msg_t *)msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_SET_DEBUG_LEVEL:
	case REQUEST_SET_SCHEDLOG_LEVEL:
		_pack_set_debug_level_msg(
			(set_debug_level_msg_t *)msg->data, buffer,
			msg->protocol_version);
		break;
	case ACCOUNTING_UPDATE_MSG:
		_pack_accounting_update_msg(
			(accounting_update_msg_t *)msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_TOPO_INFO:
		_pack_topo_info_msg(
			(topo_info_response_msg_t *)msg->data, buffer,
			msg->protocol_version);
		break;
	case RESPONSE_JOB_SBCAST_CRED:
		_pack_job_sbcast_cred_msg(
			(job_sbcast_cred_msg_t *)msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_FRONT_END_INFO:
		_pack_front_end_info_request_msg(
			(front_end_info_request_msg_t *)msg->data, buffer,
			msg->protocol_version);
		break;
	case RESPONSE_FRONT_END_INFO:
		_pack_front_end_info_msg((slurm_msg_t *) msg, buffer);
		break;
	case REQUEST_SPANK_ENVIRONMENT:
		_pack_spank_env_request_msg(
			(spank_env_request_msg_t *)msg->data, buffer,
			msg->protocol_version);
		break;
	case RESPONCE_SPANK_ENVIRONMENT:
		_pack_spank_env_responce_msg(
			(spank_env_responce_msg_t *)msg->data, buffer,
			msg->protocol_version);
		break;

	case REQUEST_STATS_INFO:
		_pack_stats_request_msg((stats_info_request_msg_t *)msg->data,
					buffer, msg->protocol_version);
		break;

	case RESPONSE_STATS_INFO:
		_pack_stats_response_msg((slurm_msg_t *)msg, buffer);
		break;

	case REQUEST_FORWARD_DATA:
		_pack_forward_data_msg((forward_data_msg_t *)msg->data,
				       buffer, msg->protocol_version);
		break;

	default:
		debug("No pack method for msg type %u", msg->msg_type);
		return EINVAL;
		break;

	}
	return SLURM_SUCCESS;
}

/* unpack_msg
 * unpacks a generic slurm protocol message body
 * OUT msg - the body structure to unpack (note: includes message type)
 * IN/OUT buffer - source of the unpack, contains pointers that are
 *			automatically updated
 * RET 0 or error code
 */
int
unpack_msg(slurm_msg_t * msg, Buf buffer)
{
	int rc = SLURM_SUCCESS;
	msg->data = NULL;	/* Initialize to no data for now */

	/* In older versions of SLURM some RPC's were not initialized
	   correctly and NO_VAL was sent along as the
	   protocol_version.  This was fixed in 2.4.2 and was noticed
	   when upgrading from 2.3 -> 2.5 when REQUEST_STEP_COMPLETE
	   was called.  It hadn't changed for a while so
	   SLURM_2_4_PROTOCOL_VERSION should fix the issue when this
	   happens.
	*/
	if (msg->protocol_version == (uint16_t)NO_VAL)
		msg->protocol_version = SLURM_2_4_PROTOCOL_VERSION;

	switch (msg->msg_type) {
	case REQUEST_NODE_INFO:
		rc = _unpack_node_info_request_msg((node_info_request_msg_t **)
						   & (msg->data), buffer,
						   msg->protocol_version);
		break;
	case REQUEST_PARTITION_INFO:
		rc = _unpack_part_info_request_msg((part_info_request_msg_t **)
						   & (msg->data), buffer,
						   msg->protocol_version);
		break;
	case REQUEST_RESERVATION_INFO:
		rc = _unpack_resv_info_request_msg((resv_info_request_msg_t **)
						   & (msg->data), buffer,
						   msg->protocol_version);
		break;
	case REQUEST_BUILD_INFO:
	case REQUEST_ACCTING_INFO:
		rc = _unpack_last_update_msg((last_update_msg_t **) &
					     (msg->data), buffer,
					     msg->protocol_version);
		break;
	case RESPONSE_BUILD_INFO:
		rc = _unpack_slurm_ctl_conf_msg((slurm_ctl_conf_info_msg_t
						 **)
						& (msg->data), buffer,
						msg->protocol_version);
		break;
	case RESPONSE_JOB_INFO:
		rc = _unpack_job_info_msg((job_info_msg_t **) & (msg->data),
					  buffer,
					  msg->protocol_version);
		break;
	case RESPONSE_PARTITION_INFO:
		rc = _unpack_partition_info_msg((partition_info_msg_t **) &
						(msg->data), buffer,
						msg->protocol_version);
		break;
	case RESPONSE_NODE_INFO:
		rc = _unpack_node_info_msg((node_info_msg_t **) &
					   (msg->data), buffer,
					   msg->protocol_version);
		break;
	case MESSAGE_NODE_REGISTRATION_STATUS:
		rc = _unpack_node_registration_status_msg(
			(slurm_node_registration_status_msg_t **)
			& (msg->data), buffer,
			msg->protocol_version);
		break;
	case REQUEST_RESOURCE_ALLOCATION:
	case REQUEST_SUBMIT_BATCH_JOB:
	case REQUEST_JOB_WILL_RUN:
	case REQUEST_UPDATE_JOB:
		rc = _unpack_job_desc_msg((job_desc_msg_t **) & (msg->data),
					  buffer,
					  msg->protocol_version);
		break;
	case REQUEST_UPDATE_JOB_STEP:
		rc = _unpack_update_job_step_msg(
			(step_update_request_msg_t **) & (msg->data),
			buffer, msg->protocol_version);
		break;
	case REQUEST_JOB_END_TIME:
	case REQUEST_JOB_ALLOCATION_INFO:
	case REQUEST_JOB_ALLOCATION_INFO_LITE:
	case REQUEST_JOB_SBCAST_CRED:
		rc = _unpack_job_alloc_info_msg((job_alloc_info_msg_t **) &
						(msg->data), buffer,
						msg->protocol_version);
		break;
	case REQUEST_NODE_REGISTRATION_STATUS:
	case REQUEST_RECONFIGURE:
	case REQUEST_SHUTDOWN_IMMEDIATE:
	case REQUEST_PING:
	case REQUEST_CONTROL:
	case REQUEST_TAKEOVER:
	case REQUEST_DAEMON_STATUS:
	case REQUEST_HEALTH_CHECK:
	case ACCOUNTING_FIRST_REG:
	case ACCOUNTING_REGISTER_CTLD:
	case REQUEST_TOPO_INFO:
		/* Message contains no body/information */
		break;
	case REQUEST_REBOOT_NODES:
		rc = _unpack_reboot_msg((reboot_msg_t **) & (msg->data),
					buffer, msg->protocol_version);
		break;
	case REQUEST_SHUTDOWN:
		rc = _unpack_shutdown_msg((shutdown_msg_t **) & (msg->data),
					  buffer,
					  msg->protocol_version);
		break;
	case RESPONSE_SUBMIT_BATCH_JOB:
		rc = _unpack_submit_response_msg((submit_response_msg_t **)
						 & (msg->data), buffer,
						 msg->protocol_version);
		break;
	case RESPONSE_JOB_ALLOCATION_INFO_LITE:
	case RESPONSE_RESOURCE_ALLOCATION:
		rc = _unpack_resource_allocation_response_msg(
			(resource_allocation_response_msg_t **)
			& (msg->data), buffer,
			msg->protocol_version);
		break;
	case RESPONSE_JOB_WILL_RUN:
		rc = _unpack_will_run_response_msg((will_run_response_msg_t **)
						   &(msg->data), buffer,
						   msg->protocol_version);
		break;
	case RESPONSE_JOB_ALLOCATION_INFO:
		rc = _unpack_job_alloc_info_response_msg(
			(job_alloc_info_response_msg_t **)
			& (msg->data), buffer,
			msg->protocol_version);
		break;
	case REQUEST_UPDATE_FRONT_END:
		rc = _unpack_update_front_end_msg((update_front_end_msg_t **) &
						  (msg->data), buffer,
						  msg->protocol_version);
		break;
	case REQUEST_UPDATE_NODE:
		rc = _unpack_update_node_msg((update_node_msg_t **) &
					     (msg->data), buffer,
					     msg->protocol_version);
		break;
	case REQUEST_CREATE_PARTITION:
	case REQUEST_UPDATE_PARTITION:
		rc = _unpack_update_partition_msg((update_part_msg_t **) &
						  (msg->data), buffer,
						  msg->protocol_version);
		break;
	case REQUEST_DELETE_PARTITION:
		rc = _unpack_delete_partition_msg((delete_part_msg_t **) &
						  (msg->data), buffer,
						  msg->protocol_version);
		break;
	case REQUEST_CREATE_RESERVATION:
	case REQUEST_UPDATE_RESERVATION:
		rc = _unpack_update_resv_msg((resv_desc_msg_t **)
					     &(msg->data), buffer,
					     msg->protocol_version);
		break;
	case REQUEST_DELETE_RESERVATION:
	case RESPONSE_CREATE_RESERVATION:
		rc = _unpack_resv_name_msg((reservation_name_msg_t **)
					   &(msg->data), buffer,
					   msg->protocol_version);
		break;
	case REQUEST_UPDATE_BLOCK:
		rc = _unpack_block_info(
			(block_info_t **)&(msg->data), buffer,
			msg->protocol_version);
		break;
	case RESPONSE_RESERVATION_INFO:
		rc = _unpack_reserve_info_msg((reserve_info_msg_t **)
					      &(msg->data), buffer,
					      msg->protocol_version);
		break;
	case REQUEST_LAUNCH_TASKS:
		rc = _unpack_launch_tasks_request_msg(
			(launch_tasks_request_msg_t **)
			& (msg->data), buffer,
			msg->protocol_version);
		break;
	case RESPONSE_LAUNCH_TASKS:
		rc = _unpack_launch_tasks_response_msg(
			(launch_tasks_response_msg_t **)
			& (msg->data), buffer,
			msg->protocol_version);
		break;
	case TASK_USER_MANAGED_IO_STREAM:
		_unpack_task_user_managed_io_stream_msg(
			(task_user_managed_io_msg_t **) &msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_REATTACH_TASKS:
		rc = _unpack_reattach_tasks_request_msg(
			(reattach_tasks_request_msg_t **) & msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_REATTACH_TASKS:
		rc = _unpack_reattach_tasks_response_msg(
			(reattach_tasks_response_msg_t **)
			& msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_SIGNAL_TASKS:
	case REQUEST_TERMINATE_TASKS:
		rc = _unpack_cancel_tasks_msg((kill_tasks_msg_t **) &
					      (msg->data), buffer,
					      msg->protocol_version);
		break;
	case REQUEST_CHECKPOINT_TASKS:
		rc = _unpack_checkpoint_tasks_msg((checkpoint_tasks_msg_t **) &
						  (msg->data), buffer,
						  msg->protocol_version);
		break;
	case REQUEST_JOB_STEP_INFO:
		rc = _unpack_job_step_info_req_msg(
			(job_step_info_request_msg_t **)
			& (msg->data), buffer,
			msg->protocol_version);
		break;
		/********  job_step_id_t Messages  ********/
	case REQUEST_JOB_INFO:
		rc = _unpack_job_info_request_msg((job_info_request_msg_t**)
						  & (msg->data), buffer,
						  msg->protocol_version);
		break;
	case REQUEST_CANCEL_JOB_STEP:
	case SRUN_STEP_SIGNAL:
		rc = _unpack_job_step_kill_msg((job_step_kill_msg_t **)
					       & (msg->data), buffer,
					       msg->protocol_version);
		break;
	case REQUEST_COMPLETE_JOB_ALLOCATION:
		rc = _unpack_complete_job_allocation_msg(
			(complete_job_allocation_msg_t **)&msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_COMPLETE_BATCH_SCRIPT:
		rc = _unpack_complete_batch_script_msg(
			(complete_batch_script_msg_t **)&msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_STEP_COMPLETE:
		rc = _unpack_step_complete_msg((step_complete_msg_t
						**) & (msg->data),
					       buffer,
					       msg->protocol_version);
		break;
	case RESPONSE_JOB_STEP_STAT:
		rc = _unpack_job_step_stat(
			(job_step_stat_t **) &(msg->data), buffer,
			msg->protocol_version);
		break;
	case REQUEST_STEP_LAYOUT:
	case REQUEST_JOB_STEP_STAT:
	case REQUEST_JOB_STEP_PIDS:
		_unpack_job_step_id_msg((job_step_id_msg_t **)&msg->data,
					buffer,
					msg->protocol_version);
		break;
	case RESPONSE_STEP_LAYOUT:
		unpack_slurm_step_layout((slurm_step_layout_t **)&msg->data,
					 buffer,
					 msg->protocol_version);
		break;
	case RESPONSE_JOB_STEP_PIDS:
		_unpack_job_step_pids(
			(job_step_pids_t **)&msg->data,
			buffer,	msg->protocol_version);
		break;
	case REQUEST_SIGNAL_JOB:
		rc = _unpack_signal_job_msg((signal_job_msg_t **)&(msg->data),
					    buffer,
					    msg->protocol_version);
		break;
	case REQUEST_ABORT_JOB:
	case REQUEST_KILL_PREEMPTED:
	case REQUEST_KILL_TIMELIMIT:
	case REQUEST_TERMINATE_JOB:
		rc = _unpack_kill_job_msg((kill_job_msg_t **) & (msg->data),
					  buffer,
					  msg->protocol_version);
		break;
	case MESSAGE_EPILOG_COMPLETE:
		rc = _unpack_epilog_comp_msg((epilog_complete_msg_t **)
					     & (msg->data), buffer,
					     msg->protocol_version);
		break;
	case REQUEST_UPDATE_JOB_TIME:
		rc = _unpack_update_job_time_msg(
			(job_time_msg_t **)
			& (msg->data), buffer,
			msg->protocol_version);
		break;
	case RESPONSE_RECONFIGURE:
	case RESPONSE_SHUTDOWN:
	case RESPONSE_CANCEL_JOB_STEP:
		break;
	case REQUEST_JOB_ATTACH:
		break;
	case RESPONSE_JOB_ATTACH:
		break;
	case RESPONSE_JOB_STEP_INFO:
		rc = _unpack_job_step_info_response_msg(
			(job_step_info_response_msg_t **)
			& (msg->data), buffer,
			msg->protocol_version);
		break;
	case REQUEST_JOB_RESOURCE:
		break;
	case RESPONSE_JOB_RESOURCE:
		break;
	case REQUEST_RUN_JOB_STEP:
		break;
	case RESPONSE_RUN_JOB_STEP:
		break;
	case MESSAGE_TASK_EXIT:
		rc = _unpack_task_exit_msg((task_exit_msg_t **)
					   & (msg->data), buffer,
					   msg->protocol_version);
		break;
	case REQUEST_BATCH_JOB_LAUNCH:
		rc = _unpack_batch_job_launch_msg((batch_job_launch_msg_t **)
						  & (msg->data), buffer,
						  msg->protocol_version);
		break;
	case RESPONSE_JOB_READY:
	case RESPONSE_SLURM_RC:
		rc = _unpack_return_code_msg((return_code_msg_t **)
					     & (msg->data), buffer,
					     msg->protocol_version);
		break;
	case RESPONSE_JOB_STEP_CREATE:
		rc = _unpack_job_step_create_response_msg(
			(job_step_create_response_msg_t **)
			& msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_JOB_STEP_CREATE:
		rc = _unpack_job_step_create_request_msg(
			(job_step_create_request_msg_t **)
			& msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_JOB_ID:
		rc = _unpack_job_id_request_msg(
			(job_id_request_msg_t **) & msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_JOB_ID:
		rc = _unpack_job_id_response_msg(
			(job_id_response_msg_t **) & msg->data,
			buffer,
			msg->protocol_version);
		break;
	case SRUN_EXEC:
		rc = _unpack_srun_exec_msg((srun_exec_msg_t **) & msg->data,
					   buffer,
					   msg->protocol_version);
		break;
	case SRUN_JOB_COMPLETE:
	case SRUN_PING:
		rc = _unpack_srun_ping_msg((srun_ping_msg_t **) & msg->data,
					   buffer,
					   msg->protocol_version);
		break;
	case SRUN_NODE_FAIL:
		rc = _unpack_srun_node_fail_msg((srun_node_fail_msg_t **)
						& msg->data, buffer,
						msg->protocol_version);
		break;
	case SRUN_STEP_MISSING:
		rc = _unpack_srun_step_missing_msg((srun_step_missing_msg_t **)
						   & msg->data, buffer,
						   msg->protocol_version);
		break;
	case SRUN_TIMEOUT:
		rc = _unpack_srun_timeout_msg((srun_timeout_msg_t **)
					      & msg->data, buffer,
					      msg->protocol_version);
		break;
	case SRUN_USER_MSG:
		rc = _unpack_srun_user_msg((srun_user_msg_t **)
					   & msg->data, buffer,
					   msg->protocol_version);
		break;
	case REQUEST_CHECKPOINT:
		rc = _unpack_checkpoint_msg((checkpoint_msg_t **)
					    & msg->data, buffer,
					    msg->protocol_version);
		break;
	case REQUEST_CHECKPOINT_COMP:
		rc = _unpack_checkpoint_comp((checkpoint_comp_msg_t **)
					     & msg->data, buffer,
					     msg->protocol_version);
		break;
	case REQUEST_CHECKPOINT_TASK_COMP:
		rc = _unpack_checkpoint_task_comp(
			(checkpoint_task_comp_msg_t **)
			& msg->data, buffer,
			msg->protocol_version);
		break;
	case RESPONSE_CHECKPOINT:
	case RESPONSE_CHECKPOINT_COMP:
		rc = _unpack_checkpoint_resp_msg((checkpoint_resp_msg_t **)
						 & msg->data, buffer,
						 msg->protocol_version);
		break;
	case REQUEST_SUSPEND:
	case SRUN_REQUEST_SUSPEND:
		rc = _unpack_suspend_msg((suspend_msg_t **) &msg->data,
					 buffer,
					 msg->protocol_version);
		break;

	case REQUEST_JOB_READY:
	case REQUEST_JOB_REQUEUE:
	case REQUEST_JOB_INFO_SINGLE:
		rc = _unpack_job_ready_msg((job_id_msg_t **)
					   & msg->data, buffer,
					   msg->protocol_version);
		break;
	case REQUEST_SHARE_INFO:
		rc = _unpack_shares_request_msg(
			(shares_request_msg_t **)&msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_SHARE_INFO:
		rc = _unpack_shares_response_msg(
			(shares_response_msg_t **)&msg->data,
			buffer,
			msg->protocol_version);
		break;
	case REQUEST_PRIORITY_FACTORS:
		_unpack_priority_factors_request_msg(
			(priority_factors_request_msg_t**)&msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_PRIORITY_FACTORS:
		_unpack_priority_factors_response_msg(
			(priority_factors_response_msg_t**)&msg->data,
			buffer,
			msg->protocol_version);
		break;
	case REQUEST_BLOCK_INFO:
		rc = _unpack_block_info_req_msg(
			(block_info_request_msg_t **) &msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_BLOCK_INFO:
		rc = slurm_unpack_block_info_msg(
			(block_info_msg_t **) &(msg->data), buffer,
			msg->protocol_version);
		break;
	case REQUEST_FILE_BCAST:
		rc = _unpack_file_bcast( (file_bcast_msg_t **)
					 & msg->data, buffer,
					 msg->protocol_version);
		break;
	case PMI_KVS_PUT_REQ:
	case PMI_KVS_GET_RESP:
		rc = _unpack_kvs_data((struct kvs_comm_set **) &msg->data,
				      buffer,
				      msg->protocol_version);
		break;
	case PMI_KVS_GET_REQ:
		rc = _unpack_kvs_get((kvs_get_msg_t **) &msg->data, buffer,
				     msg->protocol_version);
		break;
	case PMI_KVS_PUT_RESP:
		break;	/* no data */
	case RESPONSE_FORWARD_FAILED:
		break;
	case REQUEST_TRIGGER_GET:
	case RESPONSE_TRIGGER_GET:
	case REQUEST_TRIGGER_SET:
	case REQUEST_TRIGGER_CLEAR:
	case REQUEST_TRIGGER_PULL:
		rc = _unpack_trigger_msg((trigger_info_msg_t **)
					 &msg->data, buffer,
					 msg->protocol_version);
		break;
	case RESPONSE_SLURMD_STATUS:
		rc = _unpack_slurmd_status((slurmd_status_t **)
					   &msg->data, buffer,
					   msg->protocol_version);
		break;
	case REQUEST_JOB_NOTIFY:
		rc =  _unpack_job_notify((job_notify_msg_t **)
					 &msg->data, buffer,
					 msg->protocol_version);
		break;
	case REQUEST_SET_DEBUG_FLAGS:
		rc = _unpack_set_debug_flags_msg(
			(set_debug_flags_msg_t **)&(msg->data), buffer,
			msg->protocol_version);
		break;
	case REQUEST_SET_DEBUG_LEVEL:
	case REQUEST_SET_SCHEDLOG_LEVEL:
		rc = _unpack_set_debug_level_msg(
			(set_debug_level_msg_t **)&(msg->data), buffer,
			msg->protocol_version);
		break;
	case ACCOUNTING_UPDATE_MSG:
		rc = _unpack_accounting_update_msg(
			(accounting_update_msg_t **)&msg->data,
			buffer,
			msg->protocol_version);
		break;
	case RESPONSE_TOPO_INFO:
		rc = _unpack_topo_info_msg(
			(topo_info_response_msg_t **)&msg->data, buffer,
			msg->protocol_version);
		break;
	case RESPONSE_JOB_SBCAST_CRED:
		rc = _unpack_job_sbcast_cred_msg(
			(job_sbcast_cred_msg_t **)&msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_FRONT_END_INFO:
		rc = _unpack_front_end_info_request_msg(
			(front_end_info_request_msg_t **)&msg->data, buffer,
			msg->protocol_version);
		break;
	case RESPONSE_FRONT_END_INFO:
		rc = _unpack_front_end_info_msg(
			(front_end_info_msg_t **)&msg->data, buffer,
			msg->protocol_version);
		break;
	case REQUEST_SPANK_ENVIRONMENT:
		rc = _unpack_spank_env_request_msg(
			(spank_env_request_msg_t **)&msg->data, buffer,
			msg->protocol_version);
		break;
	case RESPONCE_SPANK_ENVIRONMENT:
		rc = _unpack_spank_env_responce_msg(
			(spank_env_responce_msg_t **)&msg->data, buffer,
			msg->protocol_version);
		break;

	case REQUEST_STATS_INFO:
		_unpack_stats_request_msg((stats_info_request_msg_t **)
					  &msg->data, buffer,
					  msg->protocol_version);
		break;

	case RESPONSE_STATS_INFO:
		_unpack_stats_response_msg((stats_info_response_msg_t **)
					   &msg->data, buffer,
					   msg->protocol_version);
		break;

	case REQUEST_FORWARD_DATA:
		rc = _unpack_forward_data_msg((forward_data_msg_t **)&msg->data,
					      buffer, msg->protocol_version);
		break;

	default:
		debug("No unpack method for msg type %u", msg->msg_type);
		return EINVAL;
		break;
	}

	if (rc)
		error("Malformed RPC of type %u received", msg->msg_type);
	return rc;
}

static void _pack_assoc_shares_object(void *in, Buf buffer,
				      uint16_t protocol_version)
{
	association_shares_object_t *object = (association_shares_object_t *)in;

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		if(!object) {
			pack32(0, buffer);

			packnull(buffer);
			packnull(buffer);
			packnull(buffer);

			packdouble(0, buffer);
			pack32(0, buffer);

			packdouble(0, buffer);
			packdouble(0, buffer);
			pack64(0, buffer);

			pack64(0, buffer);
			pack64(0, buffer);

			pack16(0, buffer);

			return;
		}

		pack32(object->assoc_id, buffer);

		packstr(object->cluster, buffer);
		packstr(object->name, buffer);
		packstr(object->parent, buffer);

		packdouble(object->shares_norm, buffer);
		pack32(object->shares_raw, buffer);

		packdouble(object->usage_efctv, buffer);
		packdouble(object->usage_norm, buffer);
		pack64(object->usage_raw, buffer);

		pack64(object->grp_cpu_mins, buffer);
		pack64(object->cpu_run_mins, buffer);

		pack16(object->user, buffer);
	} else {
		if(!object) {
			pack32(0, buffer);

			packnull(buffer);
			packnull(buffer);
			packnull(buffer);

			packdouble(0, buffer);
			pack32(0, buffer);

			packdouble(0, buffer);
			packdouble(0, buffer);
			pack64(0, buffer);

			pack16(0, buffer);

			return;
		}

		pack32(object->assoc_id, buffer);

		packstr(object->cluster, buffer);
		packstr(object->name, buffer);
		packstr(object->parent, buffer);

		packdouble(object->shares_norm, buffer);
		pack32(object->shares_raw, buffer);

		packdouble(object->usage_efctv, buffer);
		packdouble(object->usage_norm, buffer);
		pack64(object->usage_raw, buffer);

		pack16(object->user, buffer);
	}
}

static int _unpack_assoc_shares_object(void **object, Buf buffer,
				       uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	association_shares_object_t *object_ptr =
		xmalloc(sizeof(association_shares_object_t));

	*object = (void *) object_ptr;

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		safe_unpack32(&object_ptr->assoc_id, buffer);

		safe_unpackstr_xmalloc(&object_ptr->cluster,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&object_ptr->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&object_ptr->parent,
				       &uint32_tmp, buffer);

		safe_unpackdouble(&object_ptr->shares_norm, buffer);
		safe_unpack32(&object_ptr->shares_raw, buffer);

		safe_unpackdouble(&object_ptr->usage_efctv, buffer);
		safe_unpackdouble(&object_ptr->usage_norm, buffer);
		safe_unpack64(&object_ptr->usage_raw, buffer);

		safe_unpack64(&object_ptr->grp_cpu_mins, buffer);
		safe_unpack64(&object_ptr->cpu_run_mins, buffer);

		safe_unpack16(&object_ptr->user, buffer);
	} else {
		safe_unpack32(&object_ptr->assoc_id, buffer);

		safe_unpackstr_xmalloc(&object_ptr->cluster,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&object_ptr->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&object_ptr->parent,
				       &uint32_tmp, buffer);

		safe_unpackdouble(&object_ptr->shares_norm, buffer);
		safe_unpack32(&object_ptr->shares_raw, buffer);

		safe_unpackdouble(&object_ptr->usage_efctv, buffer);
		safe_unpackdouble(&object_ptr->usage_norm, buffer);
		safe_unpack64(&object_ptr->usage_raw, buffer);

		safe_unpack16(&object_ptr->user, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_destroy_association_shares_object(object_ptr);
	*object = NULL;
	return SLURM_ERROR;
}

static void _pack_shares_request_msg(shares_request_msg_t * msg, Buf buffer,
				     uint16_t protocol_version)
{
	uint32_t count = NO_VAL;
	char *tmp_info = NULL;
	ListIterator itr = NULL;

	xassert(msg != NULL);

	if(msg->acct_list)
		count = list_count(msg->acct_list);
	pack32(count, buffer);
	if(count && count != NO_VAL) {
		itr = list_iterator_create(msg->acct_list);
		while((tmp_info = list_next(itr))) {
			packstr(tmp_info, buffer);
		}
		list_iterator_destroy(itr);
	}
	count = NO_VAL;


	if(msg->user_list)
		count = list_count(msg->user_list);
	pack32(count, buffer);
	if(count && count != NO_VAL) {
		itr = list_iterator_create(msg->user_list);
		while((tmp_info = list_next(itr))) {
			packstr(tmp_info, buffer);
		}
		list_iterator_destroy(itr);
	}
	count = NO_VAL;
}

static int _unpack_shares_request_msg(shares_request_msg_t ** msg, Buf buffer,
				      uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	uint32_t count = NO_VAL;
	int i;
	char *tmp_info = NULL;
	shares_request_msg_t *object_ptr = NULL;

	xassert(msg != NULL);

	object_ptr = xmalloc(sizeof(shares_request_msg_t));
	*msg = object_ptr;

	safe_unpack32(&count, buffer);
	if(count != NO_VAL) {
		object_ptr->acct_list = list_create(slurm_destroy_char);
		for(i=0; i<count; i++) {
			safe_unpackstr_xmalloc(&tmp_info,
					       &uint32_tmp, buffer);
			list_append(object_ptr->acct_list, tmp_info);
		}
	}

	safe_unpack32(&count, buffer);
	if(count != NO_VAL) {
		object_ptr->user_list = list_create(slurm_destroy_char);
		for(i=0; i<count; i++) {
			safe_unpackstr_xmalloc(&tmp_info,
					       &uint32_tmp, buffer);
			list_append(object_ptr->user_list, tmp_info);
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_shares_request_msg(object_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void _pack_shares_response_msg(shares_response_msg_t * msg, Buf buffer,
				      uint16_t protocol_version)
{
	ListIterator itr = NULL;
	association_shares_object_t *share = NULL;
	uint32_t count = NO_VAL;

	xassert(msg != NULL);
	if(msg->assoc_shares_list)
		count = list_count(msg->assoc_shares_list);
	pack32(count, buffer);
	if(count && count != NO_VAL) {
		itr = list_iterator_create(msg->assoc_shares_list);
		while((share = list_next(itr)))
			_pack_assoc_shares_object(share, buffer,
						  protocol_version);
		list_iterator_destroy(itr);
	}
	count = NO_VAL;
	pack64(msg->tot_shares, buffer);

}

static int _unpack_shares_response_msg(shares_response_msg_t ** msg,
				       Buf buffer,
				       uint16_t protocol_version)
{
	uint32_t count = NO_VAL;
	int i = 0;
	void *tmp_info = NULL;
	shares_response_msg_t *object_ptr = NULL;
	xassert(msg != NULL);

	object_ptr = xmalloc(sizeof(shares_response_msg_t));
	*msg = object_ptr;

	safe_unpack32(&count, buffer);
	if(count != NO_VAL) {
		object_ptr->assoc_shares_list =
			list_create(slurm_destroy_association_shares_object);
		for(i=0; i<count; i++) {
			if(_unpack_assoc_shares_object(&tmp_info, buffer,
						       protocol_version)
			   != SLURM_SUCCESS)
				goto unpack_error;
			list_append(object_ptr->assoc_shares_list, tmp_info);
		}
	}

	safe_unpack64(&object_ptr->tot_shares, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_shares_response_msg(object_ptr);
	*msg = NULL;
	return SLURM_ERROR;

}

static void _pack_priority_factors_object(void *in, Buf buffer,
					  uint16_t protocol_version)
{
	priority_factors_object_t *object = (priority_factors_object_t *)in;

	if(!object) {
		pack32(0, buffer);
		pack32(0, buffer);

		packdouble(0, buffer);
		packdouble(0, buffer);
		packdouble(0, buffer);
		packdouble(0, buffer);
		packdouble(0, buffer);

		pack16(0, buffer);

		return;
	}

	pack32(object->job_id, buffer);
	pack32(object->user_id, buffer);

	packdouble(object->priority_age, buffer);
	packdouble(object->priority_fs, buffer);
	packdouble(object->priority_js, buffer);
	packdouble(object->priority_part, buffer);
	packdouble(object->priority_qos, buffer);

	pack16(object->nice, buffer);
}

static int _unpack_priority_factors_object(void **object, Buf buffer,
					   uint16_t protocol_version)
{
	priority_factors_object_t *object_ptr =
		xmalloc(sizeof(priority_factors_object_t));

	*object = (void *) object_ptr;
	safe_unpack32(&object_ptr->job_id, buffer);
	safe_unpack32(&object_ptr->user_id, buffer);

	safe_unpackdouble(&object_ptr->priority_age, buffer);
	safe_unpackdouble(&object_ptr->priority_fs, buffer);
	safe_unpackdouble(&object_ptr->priority_js, buffer);
	safe_unpackdouble(&object_ptr->priority_part, buffer);
	safe_unpackdouble(&object_ptr->priority_qos, buffer);

	safe_unpack16(&object_ptr->nice, buffer);

	return SLURM_SUCCESS;

unpack_error:
	xfree(object);
	*object = NULL;
	return SLURM_ERROR;
}

static void
_pack_priority_factors_request_msg(priority_factors_request_msg_t * msg,
				   Buf buffer,
				   uint16_t protocol_version)
{
	uint32_t count = NO_VAL;
	uint32_t* tmp = NULL;
	ListIterator itr = NULL;

	xassert(msg != NULL);

	if(msg->job_id_list)
		count = list_count(msg->job_id_list);
	pack32(count, buffer);
	if(count && count != NO_VAL) {
		itr = list_iterator_create(msg->job_id_list);
		while((tmp = list_next(itr))) {
			pack32(*tmp, buffer);
		}
		list_iterator_destroy(itr);
	}

	count = NO_VAL;
	if(msg->uid_list)
		count = list_count(msg->uid_list);
	pack32(count, buffer);
	if(count && count != NO_VAL) {
		itr = list_iterator_create(msg->uid_list);
		while((tmp = list_next(itr))) {
			pack32(*tmp, buffer);
		}
		list_iterator_destroy(itr);
	}

}

static int
_unpack_priority_factors_request_msg(priority_factors_request_msg_t ** msg,
				     Buf buffer,
				     uint16_t protocol_version)
{
	uint32_t* uint32_tmp;
	uint32_t count = NO_VAL;
	int i;
	priority_factors_request_msg_t *object_ptr = NULL;

	xassert(msg != NULL);

	object_ptr = xmalloc(sizeof(priority_factors_request_msg_t));
	*msg = object_ptr;

	safe_unpack32(&count, buffer);
	if(count != NO_VAL) {
		object_ptr->job_id_list = list_create(slurm_destroy_uint32_ptr);
		for(i=0; i<count; i++) {
			uint32_tmp = xmalloc(sizeof(uint32_t));
			safe_unpack32(uint32_tmp, buffer);
			list_append(object_ptr->job_id_list, uint32_tmp);
		}
	}

	safe_unpack32(&count, buffer);
	if(count != NO_VAL) {
		object_ptr->uid_list = list_create(slurm_destroy_uint32_ptr);
		for(i=0; i<count; i++) {
			uint32_tmp = xmalloc(sizeof(uint32_t));
			safe_unpack32(uint32_tmp, buffer);
			list_append(object_ptr->uid_list, uint32_tmp);
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_priority_factors_request_msg(object_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_priority_factors_response_msg(priority_factors_response_msg_t * msg,
				    Buf buffer,
				    uint16_t protocol_version)
{
	ListIterator itr = NULL;
	priority_factors_object_t *factors = NULL;
	uint32_t count = NO_VAL;

	xassert(msg != NULL);
	if(msg->priority_factors_list)
		count = list_count(msg->priority_factors_list);
	pack32(count, buffer);
	if(count && count != NO_VAL) {
		itr = list_iterator_create(msg->priority_factors_list);
		while((factors = list_next(itr)))
			_pack_priority_factors_object(factors, buffer,
						      protocol_version);
		list_iterator_destroy(itr);
	}
}

static void _priority_factors_resp_list_del(void *x)
{
	xfree(x);
}

static int
_unpack_priority_factors_response_msg(priority_factors_response_msg_t ** msg,
				      Buf buffer,
				      uint16_t protocol_version)
{
	uint32_t count = NO_VAL;
	int i = 0;
	void *tmp_info = NULL;
	priority_factors_response_msg_t *object_ptr = NULL;
	xassert(msg != NULL);

	object_ptr = xmalloc(sizeof(priority_factors_response_msg_t));
	*msg = object_ptr;

	safe_unpack32(&count, buffer);
	if(count != NO_VAL) {
		object_ptr->priority_factors_list =
			list_create(_priority_factors_resp_list_del);
		for(i=0; i<count; i++) {
			if(_unpack_priority_factors_object(&tmp_info, buffer,
							   protocol_version)
			   != SLURM_SUCCESS)
				goto unpack_error;
			list_append(object_ptr->priority_factors_list,
				    tmp_info);
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_priority_factors_response_msg(object_ptr);
	*msg = NULL;
	return SLURM_ERROR;

}

static void
_pack_update_front_end_msg(update_front_end_msg_t * msg, Buf buffer,
			   uint16_t protocol_version)
{
	xassert(msg != NULL);
	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		packstr(msg->name, buffer);
		pack16(msg->node_state, buffer);
		packstr(msg->reason, buffer);
		pack32(msg->reason_uid, buffer);
	}
}

static int
_unpack_update_front_end_msg(update_front_end_msg_t ** msg, Buf buffer,
			     uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	update_front_end_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg != NULL);
	tmp_ptr = xmalloc(sizeof(update_front_end_msg_t));
	*msg = tmp_ptr;

	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&tmp_ptr->name,
				       &uint32_tmp, buffer);
		safe_unpack16(&tmp_ptr->node_state, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->reason, &uint32_tmp, buffer);
		safe_unpack32(&tmp_ptr->reason_uid, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_update_front_end_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_update_node_msg(update_node_msg_t * msg, Buf buffer,
		      uint16_t protocol_version)
{
	xassert(msg != NULL);
	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		packstr(msg->node_addr, buffer);
		packstr(msg->node_hostname, buffer);
		packstr(msg->node_names, buffer);
		pack16(msg->node_state, buffer);
		packstr(msg->features, buffer);
		packstr(msg->gres, buffer);
		packstr(msg->reason, buffer);
		pack32(msg->weight, buffer);
		pack32(msg->reason_uid, buffer);
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		packstr(msg->node_names, buffer);
		pack16(msg->node_state, buffer);
		packstr(msg->features, buffer);
		packstr(msg->gres, buffer);
		packstr(msg->reason, buffer);
		pack32(msg->weight, buffer);
		pack32(msg->reason_uid, buffer);
	} else {
		packstr(msg->node_names, buffer);
		pack16(msg->node_state, buffer);
		packstr(msg->features, buffer);
		packstr(msg->reason, buffer);
		pack32(msg->weight, buffer);
	}
}

static int
_unpack_update_node_msg(update_node_msg_t ** msg, Buf buffer,
			uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	update_node_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg != NULL);
	tmp_ptr = xmalloc(sizeof(update_node_msg_t));
	*msg = tmp_ptr;

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&tmp_ptr->node_addr,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->node_hostname,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->node_names,
				       &uint32_tmp, buffer);
		safe_unpack16(&tmp_ptr->node_state, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->features, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->gres, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->reason, &uint32_tmp, buffer);
		safe_unpack32(&tmp_ptr->weight, buffer);
		safe_unpack32(&tmp_ptr->reason_uid, buffer);
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&tmp_ptr->node_names,
				       &uint32_tmp, buffer);
		safe_unpack16(&tmp_ptr->node_state, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->features, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->gres, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->reason, &uint32_tmp, buffer);
		safe_unpack32(&tmp_ptr->weight, buffer);
		safe_unpack32(&tmp_ptr->reason_uid, buffer);
	} else {
		safe_unpackstr_xmalloc(&tmp_ptr->node_names,
				       &uint32_tmp, buffer);
		safe_unpack16(&tmp_ptr->node_state, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->features, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->reason, &uint32_tmp, buffer);
		safe_unpack32(&tmp_ptr->weight, buffer);
		tmp_ptr->reason_uid = NO_VAL; /* To tell we don't have a correct
						 one, and get it from munge. */
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_update_node_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_node_registration_status_msg(slurm_node_registration_status_msg_t *
				   msg, Buf buffer,
				   uint16_t protocol_version)
{
	int i;
	uint32_t gres_info_size = 0;
	xassert(msg != NULL);

	if(protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		pack_time(msg->timestamp, buffer);
		pack_time(msg->slurmd_start_time, buffer);
		pack32(msg->status, buffer);
		packstr(msg->node_name, buffer);
		packstr(msg->arch, buffer);
		packstr(msg->os, buffer);
		pack16(msg->cpus, buffer);
		pack16(msg->sockets, buffer);
		pack16(msg->cores, buffer);
		pack16(msg->threads, buffer);
		pack32(msg->real_memory, buffer);
		pack32(msg->tmp_disk, buffer);
		pack32(msg->up_time, buffer);
		pack32(msg->hash_val, buffer);

		pack32(msg->job_count, buffer);
		for (i = 0; i < msg->job_count; i++) {
			pack32(msg->job_id[i], buffer);
		}
		for (i = 0; i < msg->job_count; i++) {
			pack32(msg->step_id[i], buffer);
		}
		pack16(msg->startup, buffer);
		if (msg->startup)
			switch_g_pack_node_info(msg->switch_nodeinfo, buffer);
		if (msg->gres_info)
			gres_info_size = get_buf_offset(msg->gres_info);
		pack32(gres_info_size, buffer);
		if (gres_info_size) {
			packmem(get_buf_data(msg->gres_info), gres_info_size,
				buffer);
		}
	} else {
		pack_time(msg->timestamp, buffer);
		pack32(msg->status, buffer);
		packstr(msg->node_name, buffer);
		packstr(msg->arch, buffer);
		packstr(msg->os, buffer);
		pack16(msg->cpus, buffer);
		pack16(msg->sockets, buffer);
		pack16(msg->cores, buffer);
		pack16(msg->threads, buffer);
		pack32(msg->real_memory, buffer);
		pack32(msg->tmp_disk, buffer);
		pack32(msg->up_time, buffer);

		pack32(msg->job_count, buffer);
		for (i = 0; i < msg->job_count; i++) {
			pack32(msg->job_id[i], buffer);
		}
		for (i = 0; i < msg->job_count; i++) {
			pack32(msg->step_id[i], buffer);
		}
		pack16(msg->startup, buffer);
		if (msg->startup)
			switch_g_pack_node_info(msg->switch_nodeinfo, buffer);
	}
}

static int
_unpack_node_registration_status_msg(slurm_node_registration_status_msg_t
				     ** msg, Buf buffer,
				     uint16_t protocol_version)
{
	char *gres_info = NULL;
	uint32_t gres_info_size, uint32_tmp;
	int i;
	slurm_node_registration_status_msg_t *node_reg_ptr;

	/* alloc memory for structure */
	xassert(msg != NULL);
	node_reg_ptr = xmalloc(sizeof(slurm_node_registration_status_msg_t));
	*msg = node_reg_ptr;

	if(protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		/* unpack timestamp of snapshot */
		safe_unpack_time(&node_reg_ptr->timestamp, buffer);
		safe_unpack_time(&node_reg_ptr->slurmd_start_time, buffer);
		/* load the data values */
		safe_unpack32(&node_reg_ptr->status, buffer);
		safe_unpackstr_xmalloc(&node_reg_ptr->node_name,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_reg_ptr->arch,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_reg_ptr->os, &uint32_tmp, buffer);
		safe_unpack16(&node_reg_ptr->cpus, buffer);
		safe_unpack16(&node_reg_ptr->sockets, buffer);
		safe_unpack16(&node_reg_ptr->cores, buffer);
		safe_unpack16(&node_reg_ptr->threads, buffer);
		safe_unpack32(&node_reg_ptr->real_memory, buffer);
		safe_unpack32(&node_reg_ptr->tmp_disk, buffer);
		safe_unpack32(&node_reg_ptr->up_time, buffer);
		safe_unpack32(&node_reg_ptr->hash_val, buffer);

		safe_unpack32(&node_reg_ptr->job_count, buffer);
		node_reg_ptr->job_id =
			xmalloc(sizeof(uint32_t) * node_reg_ptr->job_count);
		for (i = 0; i < node_reg_ptr->job_count; i++) {
			safe_unpack32(&node_reg_ptr->job_id[i], buffer);
		}
		node_reg_ptr->step_id =
			xmalloc(sizeof(uint32_t) * node_reg_ptr->job_count);
		for (i = 0; i < node_reg_ptr->job_count; i++) {
			safe_unpack32(&node_reg_ptr->step_id[i], buffer);
		}

		safe_unpack16(&node_reg_ptr->startup, buffer);
		if (node_reg_ptr->startup
		    &&  (switch_g_alloc_node_info(
				 &node_reg_ptr->switch_nodeinfo)
			 ||   switch_g_unpack_node_info(
				 node_reg_ptr->switch_nodeinfo, buffer)))
			goto unpack_error;

		safe_unpack32(&gres_info_size, buffer);
		if (gres_info_size) {
			safe_unpackmem_xmalloc(&gres_info, &uint32_tmp, buffer);
			if (gres_info_size != uint32_tmp)
				goto unpack_error;
			node_reg_ptr->gres_info = create_buf(gres_info,
							     gres_info_size);
		}
	} else {
		/* initialize this so we don't check for those not sending it */
		node_reg_ptr->hash_val = NO_VAL;

		/* unpack timestamp of snapshot */
		safe_unpack_time(&node_reg_ptr->timestamp, buffer);
		/* load the data values */
		safe_unpack32(&node_reg_ptr->status, buffer);
		safe_unpackstr_xmalloc(&node_reg_ptr->node_name,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_reg_ptr->arch,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_reg_ptr->os, &uint32_tmp, buffer);
		safe_unpack16(&node_reg_ptr->cpus, buffer);
		safe_unpack16(&node_reg_ptr->sockets, buffer);
		safe_unpack16(&node_reg_ptr->cores, buffer);
		safe_unpack16(&node_reg_ptr->threads, buffer);
		safe_unpack32(&node_reg_ptr->real_memory, buffer);
		safe_unpack32(&node_reg_ptr->tmp_disk, buffer);
		safe_unpack32(&node_reg_ptr->up_time, buffer);

		safe_unpack32(&node_reg_ptr->job_count, buffer);
		node_reg_ptr->job_id =
			xmalloc(sizeof(uint32_t) * node_reg_ptr->job_count);
		for (i = 0; i < node_reg_ptr->job_count; i++) {
			safe_unpack32(&node_reg_ptr->job_id[i], buffer);
		}
		node_reg_ptr->step_id =
			xmalloc(sizeof(uint32_t) * node_reg_ptr->job_count);
		for (i = 0; i < node_reg_ptr->job_count; i++) {
			safe_unpack32(&node_reg_ptr->step_id[i], buffer);
		}

		safe_unpack16(&node_reg_ptr->startup, buffer);
		if (node_reg_ptr->startup
		    &&  (switch_g_alloc_node_info(
				 &node_reg_ptr->switch_nodeinfo)
			 ||   switch_g_unpack_node_info(
				 node_reg_ptr->switch_nodeinfo, buffer)))
			goto unpack_error;

		/* Compute slurmd_start_time, assuming it started at same
		 * time that the node booted */
		node_reg_ptr->slurmd_start_time = time(NULL) -
			node_reg_ptr->up_time;
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_node_registration_status_msg(node_reg_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_resource_allocation_response_msg(resource_allocation_response_msg_t *msg,
				       Buf buffer,
				       uint16_t protocol_version)
{
	xassert(msg != NULL);

	pack32(msg->error_code, buffer);
	pack32(msg->job_id, buffer);
	pack32(msg->pn_min_memory, buffer);
	packstr(msg->alias_list, buffer);
	packstr(msg->node_list, buffer);

	pack32(msg->num_cpu_groups, buffer);
	if (msg->num_cpu_groups) {
		pack16_array(msg->cpus_per_node, msg->num_cpu_groups, buffer);
		pack32_array(msg->cpu_count_reps, msg->num_cpu_groups, buffer);
	}

	pack32(msg->node_cnt, buffer);

	select_g_select_jobinfo_pack(msg->select_jobinfo, buffer,
				     protocol_version);
}

static int
_unpack_resource_allocation_response_msg(
	resource_allocation_response_msg_t** msg, Buf buffer,
	uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	resource_allocation_response_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg != NULL);
	tmp_ptr = xmalloc(sizeof(resource_allocation_response_msg_t));
	*msg = tmp_ptr;

	/* load the data values */
	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		safe_unpack32(&tmp_ptr->error_code, buffer);
		safe_unpack32(&tmp_ptr->job_id, buffer);
		safe_unpack32(&tmp_ptr->pn_min_memory, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->alias_list, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->node_list, &uint32_tmp,
				       buffer);

		safe_unpack32(&tmp_ptr->num_cpu_groups, buffer);
		if (tmp_ptr->num_cpu_groups > 0) {
			safe_unpack16_array(&tmp_ptr->cpus_per_node,
					    &uint32_tmp, buffer);
			if (tmp_ptr->num_cpu_groups != uint32_tmp)
				goto unpack_error;
			safe_unpack32_array(&tmp_ptr->cpu_count_reps,
					    &uint32_tmp, buffer);
			if (tmp_ptr->num_cpu_groups != uint32_tmp)
				goto unpack_error;
		} else {
			tmp_ptr->cpus_per_node = NULL;
			tmp_ptr->cpu_count_reps = NULL;
		}

		safe_unpack32(&tmp_ptr->node_cnt, buffer);
		if (select_g_select_jobinfo_unpack(&tmp_ptr->select_jobinfo,
						   buffer, protocol_version))
			goto unpack_error;
	} else {
		safe_unpack32(&tmp_ptr->error_code, buffer);
		safe_unpack32(&tmp_ptr->job_id, buffer);
		safe_unpack32(&tmp_ptr->pn_min_memory, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->node_list, &uint32_tmp,
				       buffer);

		safe_unpack32(&tmp_ptr->num_cpu_groups, buffer);
		if (tmp_ptr->num_cpu_groups > 0) {
			safe_unpack16_array(&tmp_ptr->cpus_per_node,
					    &uint32_tmp, buffer);
			if (tmp_ptr->num_cpu_groups != uint32_tmp)
				goto unpack_error;
			safe_unpack32_array(&tmp_ptr->cpu_count_reps,
					    &uint32_tmp, buffer);
			if (tmp_ptr->num_cpu_groups != uint32_tmp)
				goto unpack_error;
		} else {
			tmp_ptr->cpus_per_node = NULL;
			tmp_ptr->cpu_count_reps = NULL;
		}

		safe_unpack32(&tmp_ptr->node_cnt, buffer);
		if (select_g_select_jobinfo_unpack(&tmp_ptr->select_jobinfo,
						   buffer, protocol_version))
			goto unpack_error;
	}

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_resource_allocation_response_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_alloc_info_response_msg(job_alloc_info_response_msg_t * msg,
				  Buf buffer, uint16_t protocol_version)
{
	xassert(msg != NULL);

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		pack32(msg->error_code, buffer);
		pack32(msg->job_id, buffer);
		packstr(msg->node_list, buffer);

		pack32(msg->num_cpu_groups, buffer);
		if (msg->num_cpu_groups) {
			pack16_array(msg->cpus_per_node, msg->num_cpu_groups,
				     buffer);
			pack32_array(msg->cpu_count_reps, msg->num_cpu_groups,
				     buffer);
		}

		pack32(msg->node_cnt, buffer);
		if (msg->node_cnt > 0)
			_pack_slurm_addr_array(msg->node_addr, msg->node_cnt,
					       buffer, protocol_version);

		select_g_select_jobinfo_pack(msg->select_jobinfo, buffer,
					     protocol_version);
	}
}

static int
_unpack_job_alloc_info_response_msg(job_alloc_info_response_msg_t ** msg,
				    Buf buffer, uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	job_alloc_info_response_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg != NULL);
	tmp_ptr = xmalloc(sizeof(job_alloc_info_response_msg_t));
	*msg = tmp_ptr;

	/* load the data values */
	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&tmp_ptr->error_code, buffer);
		safe_unpack32(&tmp_ptr->job_id, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->node_list, &uint32_tmp,
				       buffer);

		safe_unpack32(&tmp_ptr->num_cpu_groups, buffer);
		if (tmp_ptr->num_cpu_groups > 0) {
			safe_unpack16_array(&tmp_ptr->cpus_per_node,
					    &uint32_tmp, buffer);
			if (tmp_ptr->num_cpu_groups != uint32_tmp)
				goto unpack_error;
			safe_unpack32_array(&tmp_ptr->cpu_count_reps,
					    &uint32_tmp, buffer);
			if (tmp_ptr->num_cpu_groups != uint32_tmp)
				goto unpack_error;
		}

		safe_unpack32(&tmp_ptr->node_cnt, buffer);
		if (tmp_ptr->node_cnt > 0) {
			if (_unpack_slurm_addr_array(&(tmp_ptr->node_addr),
						     &uint32_tmp, buffer,
						     protocol_version))
				goto unpack_error;
			if (uint32_tmp != tmp_ptr->node_cnt)
				goto unpack_error;
		} else
			tmp_ptr->node_addr = NULL;

		if (select_g_select_jobinfo_unpack(&tmp_ptr->select_jobinfo,
						   buffer,
						   protocol_version))
			goto unpack_error;
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_alloc_info_response_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_sbcast_cred_msg(job_sbcast_cred_msg_t * msg, Buf buffer,
			  uint16_t protocol_version)
{
	xassert(msg != NULL);

	pack32(msg->job_id, buffer);
	packstr(msg->node_list, buffer);

	pack32(msg->node_cnt, buffer);
	if (msg->node_cnt > 0)
		_pack_slurm_addr_array(msg->node_addr, msg->node_cnt, buffer,
				       protocol_version);
	pack_sbcast_cred(msg->sbcast_cred, buffer);
}

static int
_unpack_job_sbcast_cred_msg(job_sbcast_cred_msg_t ** msg, Buf buffer,
			    uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	job_sbcast_cred_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg != NULL);
	tmp_ptr = xmalloc(sizeof(job_sbcast_cred_msg_t));
	*msg = tmp_ptr;

	/* load the data values */
	safe_unpack32(&tmp_ptr->job_id, buffer);
	safe_unpackstr_xmalloc(&tmp_ptr->node_list, &uint32_tmp, buffer);

	safe_unpack32(&tmp_ptr->node_cnt, buffer);
	if (tmp_ptr->node_cnt > 0) {
		if (_unpack_slurm_addr_array(&(tmp_ptr->node_addr),
					     &uint32_tmp, buffer,
					     protocol_version))
			goto unpack_error;
		if (uint32_tmp != tmp_ptr->node_cnt)
			goto unpack_error;
	} else
		tmp_ptr->node_addr = NULL;

	tmp_ptr->sbcast_cred = unpack_sbcast_cred(buffer);
	if (tmp_ptr->sbcast_cred == NULL)
		goto unpack_error;

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_sbcast_cred_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_submit_response_msg(submit_response_msg_t * msg, Buf buffer,
			  uint16_t protocol_version)
{
	xassert(msg != NULL);

	pack32((uint32_t)msg->job_id, buffer);
	pack32((uint32_t)msg->step_id, buffer);
	pack32((uint32_t)msg->error_code, buffer);
}

static int
_unpack_submit_response_msg(submit_response_msg_t ** msg, Buf buffer,
			    uint16_t protocol_version)
{
	submit_response_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg != NULL);
	tmp_ptr = xmalloc(sizeof(submit_response_msg_t));
	*msg = tmp_ptr;

	/* load the data values */
	safe_unpack32(&tmp_ptr->job_id, buffer);
	safe_unpack32(&tmp_ptr->step_id, buffer);
	safe_unpack32(&tmp_ptr->error_code, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_submit_response_response_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static int
_unpack_node_info_msg(node_info_msg_t ** msg, Buf buffer,
		      uint16_t protocol_version)
{
	int i;
	node_info_t *node = NULL;

	xassert(msg != NULL);
	*msg = xmalloc(sizeof(node_info_msg_t));

	/* load buffer's header (data structure version and time) */
	if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&((*msg)->record_count), buffer);
		safe_unpack32(&((*msg)->node_scaling), buffer);
		safe_unpack_time(&((*msg)->last_update), buffer);

		node = (*msg)->node_array =
			xmalloc(sizeof(node_info_t) * (*msg)->record_count);

		/* load individual job info */
		for (i = 0; i < (*msg)->record_count; i++) {
			if (_unpack_node_info_members(&node[i], buffer,
						      protocol_version))
				goto unpack_error;
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_node_info_msg(*msg);
	*msg = NULL;
	return SLURM_ERROR;
}

static int
_unpack_node_info_members(node_info_t * node, Buf buffer,
			  uint16_t protocol_version)
{
	uint32_t uint32_tmp;

	xassert(node != NULL);

	if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&node->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->node_hostname, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&node->node_addr, &uint32_tmp, buffer);
		safe_unpack16(&node->node_state, buffer);
		safe_unpack16(&node->cpus, buffer);
		safe_unpack16(&node->sockets, buffer);
		safe_unpack16(&node->cores, buffer);
		safe_unpack16(&node->threads, buffer);

		safe_unpack32(&node->real_memory, buffer);
		safe_unpack32(&node->tmp_disk, buffer);
		safe_unpack32(&node->weight, buffer);
		safe_unpack32(&node->reason_uid, buffer);

		safe_unpack_time(&node->boot_time, buffer);
		safe_unpack_time(&node->reason_time, buffer);
		safe_unpack_time(&node->slurmd_start_time, buffer);

		select_g_select_nodeinfo_unpack(&node->select_nodeinfo, buffer,
						protocol_version);

		safe_unpackstr_xmalloc(&node->arch, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->features, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->gres, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->os, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->reason, &uint32_tmp, buffer);
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&node->name, &uint32_tmp, buffer);
		safe_unpack16(&node->node_state, buffer);
		safe_unpack16(&node->cpus, buffer);
		safe_unpack16(&node->sockets, buffer);
		safe_unpack16(&node->cores, buffer);
		safe_unpack16(&node->threads, buffer);

		safe_unpack32(&node->real_memory, buffer);
		safe_unpack32(&node->tmp_disk, buffer);
		safe_unpack32(&node->weight, buffer);
		safe_unpack32(&node->reason_uid, buffer);

		safe_unpack_time(&node->boot_time, buffer);
		safe_unpack_time(&node->reason_time, buffer);
		safe_unpack_time(&node->slurmd_start_time, buffer);

		select_g_select_nodeinfo_unpack(&node->select_nodeinfo, buffer,
						protocol_version);

		safe_unpackstr_xmalloc(&node->arch, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->features, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->gres, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->os, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->reason, &uint32_tmp, buffer);
	} else {
		safe_unpackstr_xmalloc(&node->name, &uint32_tmp, buffer);
		safe_unpack16(&node->node_state, buffer);
		safe_unpack16(&node->cpus, buffer);
		safe_unpack16(&node->sockets, buffer);
		safe_unpack16(&node->cores, buffer);
		safe_unpack16(&node->threads, buffer);

		safe_unpack32(&node->real_memory, buffer);
		safe_unpack32(&node->tmp_disk, buffer);
		safe_unpack32(&node->weight, buffer);

		select_g_select_nodeinfo_unpack(&node->select_nodeinfo, buffer,
						protocol_version);

		safe_unpackstr_xmalloc(&node->arch, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->features, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->os, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node->reason, &uint32_tmp, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_node_info_members(node);
	return SLURM_ERROR;
}

static void
_pack_update_partition_msg(update_part_msg_t * msg, Buf buffer,
			   uint16_t protocol_version)
{
	xassert(msg != NULL);

	if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		packstr(msg->allow_groups, buffer);
		packstr(msg->alternate,    buffer);
		pack32(msg-> grace_time,   buffer);
		pack32(msg-> max_time,     buffer);
		pack32(msg-> default_time, buffer);
		pack32(msg-> max_nodes,    buffer);
		pack32(msg-> min_nodes,    buffer);
		pack32(msg-> def_mem_per_cpu, buffer);
		pack32(msg-> max_mem_per_cpu, buffer);
		packstr(msg->name,         buffer);
		packstr(msg->nodes,        buffer);
		pack16(msg-> flags,        buffer);
		pack16(msg-> max_share,    buffer);
		pack16(msg-> preempt_mode, buffer);
		pack16(msg-> priority,     buffer);
		pack16(msg-> state_up,     buffer);

		packstr(msg->allow_alloc_nodes, buffer);
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		packstr(msg->allow_groups, buffer);
		packstr(msg->alternate,    buffer);
		pack32(msg-> max_time,     buffer);
		pack32(msg-> default_time, buffer);
		pack32(msg-> max_nodes,    buffer);
		pack32(msg-> min_nodes,    buffer);
		packstr(msg->name,         buffer);
		packstr(msg->nodes,        buffer);
		pack16(msg-> flags,        buffer);
		pack16(msg-> max_share,    buffer);
		pack16(msg-> preempt_mode, buffer);
		pack16(msg-> priority,     buffer);
		pack16(msg-> state_up,     buffer);

		packstr(msg->allow_alloc_nodes, buffer);
	} else {
		uint16_t state, default_part, hidden, root_only;

		if (msg-> state_up == PARTITION_UP)
			state = 1;
		else	/* DOWN, DRAIN or INACTIVE */
			state = 0;

		if (msg->flags & PART_FLAG_DEFAULT)
			default_part = 1;
		else if (msg->flags & PART_FLAG_DEFAULT_CLR)
			default_part = 0;
		else
			default_part = (uint16_t) NO_VAL;

		if (msg->flags & PART_FLAG_HIDDEN)
			hidden = 1;
		else if (msg->flags & PART_FLAG_HIDDEN_CLR)
			hidden = 0;
		else
			hidden = (uint16_t) NO_VAL;

		if (msg->flags & PART_FLAG_ROOT_ONLY)
			root_only = 1;
		else if (msg->flags & PART_FLAG_ROOT_ONLY_CLR)
			root_only = 0;
		else
			root_only = (uint16_t) NO_VAL;

		packstr(msg->allow_groups, buffer);
		pack16(default_part,       buffer);
		pack32(msg-> max_time,     buffer);
		pack32(msg-> default_time, buffer);
		pack32(msg-> max_nodes,    buffer);
		pack32(msg-> min_nodes,    buffer);
		packstr(msg->name,         buffer);
		packstr(msg->nodes,        buffer);
		pack16(hidden,             buffer);
		pack16(msg-> max_share,    buffer);
		pack16(msg-> priority,     buffer);
		pack16(root_only,          buffer);
		pack16(state,              buffer);

		packstr(msg->allow_alloc_nodes, buffer);
	}
}

static int
_unpack_update_partition_msg(update_part_msg_t ** msg, Buf buffer,
			     uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	update_part_msg_t *tmp_ptr;

	xassert(msg != NULL);

	/* alloc memory for structure */
	tmp_ptr = xmalloc(sizeof(update_part_msg_t));
	*msg = tmp_ptr;

	if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&tmp_ptr->allow_groups,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->alternate, &uint32_tmp, buffer);
		safe_unpack32(&tmp_ptr->grace_time, buffer);
		safe_unpack32(&tmp_ptr->max_time, buffer);
		safe_unpack32(&tmp_ptr->default_time, buffer);
		safe_unpack32(&tmp_ptr->max_nodes, buffer);
		safe_unpack32(&tmp_ptr->min_nodes, buffer);
		safe_unpack32(&tmp_ptr->def_mem_per_cpu, buffer);
		safe_unpack32(&tmp_ptr->max_mem_per_cpu, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->nodes, &uint32_tmp, buffer);

		safe_unpack16(&tmp_ptr->flags,     buffer);
		safe_unpack16(&tmp_ptr->max_share, buffer);
		safe_unpack16(&tmp_ptr->preempt_mode, buffer);
		safe_unpack16(&tmp_ptr->priority,  buffer);
		safe_unpack16(&tmp_ptr->state_up,  buffer);

		safe_unpackstr_xmalloc(&tmp_ptr->allow_alloc_nodes,
				       &uint32_tmp, buffer);
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&tmp_ptr->allow_groups,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->alternate, &uint32_tmp, buffer);
		safe_unpack32(&tmp_ptr->max_time, buffer);
		safe_unpack32(&tmp_ptr->default_time, buffer);
		safe_unpack32(&tmp_ptr->max_nodes, buffer);
		safe_unpack32(&tmp_ptr->min_nodes, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->nodes, &uint32_tmp, buffer);

		safe_unpack16(&tmp_ptr->flags,     buffer);
		safe_unpack16(&tmp_ptr->max_share, buffer);
		safe_unpack16(&tmp_ptr->preempt_mode, buffer);
		safe_unpack16(&tmp_ptr->priority,  buffer);
		safe_unpack16(&tmp_ptr->state_up,  buffer);

		safe_unpackstr_xmalloc(&tmp_ptr->allow_alloc_nodes,
				       &uint32_tmp, buffer);
	} else {
		uint16_t state, default_part, hidden, root_only;

		safe_unpackstr_xmalloc(&tmp_ptr->allow_groups,
				       &uint32_tmp, buffer);

		safe_unpack16(&default_part, buffer);
		if (default_part == 0)
			tmp_ptr->flags |= PART_FLAG_DEFAULT_CLR;
		else if (default_part == 1)
			tmp_ptr->flags |= PART_FLAG_DEFAULT;

		safe_unpack32(&tmp_ptr->max_time, buffer);
		safe_unpack32(&tmp_ptr->default_time, buffer);
		safe_unpack32(&tmp_ptr->max_nodes, buffer);
		safe_unpack32(&tmp_ptr->min_nodes, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->nodes, &uint32_tmp, buffer);

		safe_unpack16(&hidden,             buffer);
		if (hidden == 0)
			tmp_ptr->flags |= PART_FLAG_HIDDEN_CLR;
		else if (hidden == 1)
			tmp_ptr->flags |= PART_FLAG_HIDDEN;

		safe_unpack16(&tmp_ptr->max_share, buffer);
		safe_unpack16(&tmp_ptr->priority,  buffer);

		safe_unpack16(&root_only,          buffer);
		if (root_only == 0)
			tmp_ptr->flags |= PART_FLAG_ROOT_ONLY_CLR;
		else if (root_only == 1)
			tmp_ptr->flags |= PART_FLAG_ROOT_ONLY;

		safe_unpack16(&state,              buffer);
		if (state == 1)
			tmp_ptr->state_up = PARTITION_UP;
		else if (state == 0)
			tmp_ptr->state_up = PARTITION_DOWN;

		safe_unpackstr_xmalloc(&tmp_ptr->allow_alloc_nodes,
				       &uint32_tmp, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_update_part_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_update_resv_msg(resv_desc_msg_t * msg, Buf buffer,
		      uint16_t protocol_version)
{
	uint32_t array_len;
	xassert(msg != NULL);

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		packstr(msg->name,         buffer);
		pack_time(msg->start_time, buffer);
		pack_time(msg->end_time,   buffer);
		pack32(msg->duration,      buffer);
		pack16(msg->flags,         buffer);
		if (msg->node_cnt) {
			for (array_len = 0; msg->node_cnt[array_len];
			     array_len++) {
				/* determine array length */
			}
			array_len++;	/* Include trailing zero */
		} else
			array_len = 0;
		pack32_array(msg->node_cnt, array_len, buffer);
		packstr(msg->node_list,    buffer);
		packstr(msg->features,     buffer);
		packstr(msg->licenses,     buffer);
		packstr(msg->partition,    buffer);

		packstr(msg->users,        buffer);
		packstr(msg->accounts,     buffer);
	} else if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		packstr(msg->name,         buffer);
		pack_time(msg->start_time, buffer);
		pack_time(msg->end_time,   buffer);
		pack32(msg->duration,      buffer);
		pack16(msg->flags,         buffer);
		if (msg->node_cnt)
			pack32(msg->node_cnt[0], buffer);
		else
			pack32(NO_VAL,     buffer);
		packstr(msg->node_list,    buffer);
		packstr(msg->features,     buffer);
		packstr(msg->licenses,     buffer);
		packstr(msg->partition,    buffer);

		packstr(msg->users,        buffer);
		packstr(msg->accounts,     buffer);
	}
}

static int
_unpack_update_resv_msg(resv_desc_msg_t ** msg, Buf buffer,
			uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	resv_desc_msg_t *tmp_ptr;

	xassert(msg != NULL);

	/* alloc memory for structure */
	tmp_ptr = xmalloc(sizeof(resv_desc_msg_t));
	*msg = tmp_ptr;

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&tmp_ptr->name, &uint32_tmp, buffer);
		safe_unpack_time(&tmp_ptr->start_time, buffer);
		safe_unpack_time(&tmp_ptr->end_time,   buffer);
		safe_unpack32(&tmp_ptr->duration,      buffer);
		safe_unpack16(&tmp_ptr->flags,         buffer);
		safe_unpack32_array(&tmp_ptr->node_cnt, &uint32_tmp, buffer);
		if (uint32_tmp > 0) {
			/* Must be zero terminated */
			if (tmp_ptr->node_cnt[uint32_tmp-1] != 0)
				goto unpack_error;
		} else {
			/* This avoids a pointer to a zero length buffer */
			xfree(tmp_ptr->node_cnt);
		}
		safe_unpackstr_xmalloc(&tmp_ptr->node_list,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->features,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->licenses,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->partition,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&tmp_ptr->users,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->accounts,
				       &uint32_tmp, buffer);
	} else if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		uint32_t node_cnt;
		safe_unpackstr_xmalloc(&tmp_ptr->name, &uint32_tmp, buffer);
		safe_unpack_time(&tmp_ptr->start_time, buffer);
		safe_unpack_time(&tmp_ptr->end_time,   buffer);
		safe_unpack32(&tmp_ptr->duration,      buffer);
		safe_unpack16(&tmp_ptr->flags,         buffer);
		safe_unpack32(&node_cnt, buffer);
		if (node_cnt != NO_VAL) {
			tmp_ptr->node_cnt = xmalloc(sizeof(uint32_t) * 2);
			tmp_ptr->node_cnt[0] = node_cnt;
		}
		safe_unpackstr_xmalloc(&tmp_ptr->node_list,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->features,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->licenses,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->partition,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&tmp_ptr->users,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_ptr->accounts,
				       &uint32_tmp, buffer);
	}

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_resv_desc_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_delete_partition_msg(delete_part_msg_t * msg, Buf buffer,
			   uint16_t protocol_version)
{
	xassert(msg != NULL);

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		packstr(msg->name, buffer);
	}
}

static int
_unpack_delete_partition_msg(delete_part_msg_t ** msg, Buf buffer,
			     uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	delete_part_msg_t *tmp_ptr;

	xassert(msg != NULL);

	/* alloc memory for structure */
	tmp_ptr = xmalloc(sizeof(delete_part_msg_t));
	*msg = tmp_ptr;

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&tmp_ptr->name, &uint32_tmp, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_delete_part_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_resv_name_msg(reservation_name_msg_t * msg, Buf buffer,
		    uint16_t protocol_version)
{
	xassert(msg != NULL);

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		packstr(msg->name, buffer);
	}
}

static int
_unpack_resv_name_msg(reservation_name_msg_t ** msg, Buf buffer,
		      uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	reservation_name_msg_t *tmp_ptr;

	xassert(msg != NULL);

	/* alloc memory for structure */
	tmp_ptr = xmalloc(sizeof(reservation_name_msg_t));
	*msg = tmp_ptr;

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&tmp_ptr->name, &uint32_tmp, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_resv_name_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_step_create_request_msg(job_step_create_request_msg_t
				  * msg, Buf buffer,
				  uint16_t protocol_version)
{
	xassert(msg != NULL);

	if(protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		pack32(msg->job_id, buffer);
		pack32(msg->user_id, buffer);
		pack32(msg->min_nodes, buffer);
		pack32(msg->max_nodes, buffer);
		pack32(msg->cpu_count, buffer);
		pack32(msg->num_tasks, buffer);
		pack32(msg->mem_per_cpu, buffer);
		pack32(msg->time_limit, buffer);

		pack16(msg->relative, buffer);
		pack16(msg->task_dist, buffer);
		pack16(msg->plane_size, buffer);
		pack16(msg->port, buffer);
		pack16(msg->ckpt_interval, buffer);
		pack16(msg->exclusive, buffer);
		pack16(msg->immediate, buffer);
		pack16(msg->resv_port_cnt, buffer);

		packstr(msg->host, buffer);
		packstr(msg->name, buffer);
		packstr(msg->network, buffer);
		packstr(msg->node_list, buffer);
		packstr(msg->ckpt_dir, buffer);
		packstr(msg->features, buffer);
		packstr(msg->gres, buffer);

		pack8(msg->no_kill, buffer);
		pack8(msg->overcommit, buffer);
	} else {
		pack32(msg->job_id, buffer);
		pack32(msg->user_id, buffer);
		pack32(msg->min_nodes, buffer);
		pack32(msg->cpu_count, buffer);
		pack32(msg->num_tasks, buffer);
		pack32(msg->mem_per_cpu, buffer);
		pack32(msg->time_limit, buffer);

		pack16(msg->relative, buffer);
		pack16(msg->task_dist, buffer);
		pack16(msg->plane_size, buffer);
		pack16(msg->port, buffer);
		pack16(msg->ckpt_interval, buffer);
		pack16(msg->exclusive, buffer);
		pack16(msg->immediate, buffer);
		pack16(msg->resv_port_cnt, buffer);

		packstr(msg->host, buffer);
		packstr(msg->name, buffer);
		packstr(msg->network, buffer);
		packstr(msg->node_list, buffer);
		packstr(msg->ckpt_dir, buffer);

		pack8(msg->no_kill, buffer);
		pack8(msg->overcommit, buffer);
	}

}

static int
_unpack_job_step_create_request_msg(job_step_create_request_msg_t ** msg,
				    Buf buffer,
				    uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	job_step_create_request_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg != NULL);
	tmp_ptr = xmalloc(sizeof(job_step_create_request_msg_t));
	*msg = tmp_ptr;

	if(protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpack32(&(tmp_ptr->job_id), buffer);
		safe_unpack32(&(tmp_ptr->user_id), buffer);
		safe_unpack32(&(tmp_ptr->min_nodes), buffer);
		safe_unpack32(&(tmp_ptr->max_nodes), buffer);
		safe_unpack32(&(tmp_ptr->cpu_count), buffer);
		safe_unpack32(&(tmp_ptr->num_tasks), buffer);
		safe_unpack32(&(tmp_ptr->mem_per_cpu), buffer);
		safe_unpack32(&(tmp_ptr->time_limit), buffer);

		safe_unpack16(&(tmp_ptr->relative), buffer);
		safe_unpack16(&(tmp_ptr->task_dist), buffer);
		safe_unpack16(&(tmp_ptr->plane_size), buffer);
		safe_unpack16(&(tmp_ptr->port), buffer);
		safe_unpack16(&(tmp_ptr->ckpt_interval), buffer);
		safe_unpack16(&(tmp_ptr->exclusive), buffer);
		safe_unpack16(&(tmp_ptr->immediate), buffer);
		safe_unpack16(&(tmp_ptr->resv_port_cnt), buffer);

		safe_unpackstr_xmalloc(&(tmp_ptr->host), &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->name), &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->network), &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->node_list), &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->ckpt_dir), &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->features), &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->gres), &uint32_tmp, buffer);

		safe_unpack8(&(tmp_ptr->no_kill), buffer);
		safe_unpack8(&(tmp_ptr->overcommit), buffer);
	} else {
		safe_unpack32(&(tmp_ptr->job_id), buffer);
		safe_unpack32(&(tmp_ptr->user_id), buffer);
		safe_unpack32(&(tmp_ptr->min_nodes), buffer);
		tmp_ptr->max_nodes = NO_VAL;
		safe_unpack32(&(tmp_ptr->cpu_count), buffer);
		safe_unpack32(&(tmp_ptr->num_tasks), buffer);
		safe_unpack32(&(tmp_ptr->mem_per_cpu), buffer);
		safe_unpack32(&(tmp_ptr->time_limit), buffer);

		safe_unpack16(&(tmp_ptr->relative), buffer);
		safe_unpack16(&(tmp_ptr->task_dist), buffer);
		safe_unpack16(&(tmp_ptr->plane_size), buffer);
		safe_unpack16(&(tmp_ptr->port), buffer);
		safe_unpack16(&(tmp_ptr->ckpt_interval), buffer);
		safe_unpack16(&(tmp_ptr->exclusive), buffer);
		safe_unpack16(&(tmp_ptr->immediate), buffer);
		safe_unpack16(&(tmp_ptr->resv_port_cnt), buffer);

		safe_unpackstr_xmalloc(&(tmp_ptr->host), &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->name), &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->network), &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->node_list), &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->ckpt_dir), &uint32_tmp,
				       buffer);

		safe_unpack8(&(tmp_ptr->no_kill), buffer);
		safe_unpack8(&(tmp_ptr->overcommit), buffer);
	}

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_step_create_request_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_kill_job_msg(kill_job_msg_t * msg, Buf buffer, uint16_t protocol_version)
{
	xassert(msg != NULL);

	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		pack32(msg->job_id,  buffer);
		pack32(msg->step_id,  buffer);
		pack16(msg->job_state, buffer);
		pack32(msg->job_uid, buffer);
		pack_time(msg->time, buffer);
		pack_time(msg->start_time, buffer);
		packstr(msg->nodes, buffer);
		select_g_select_jobinfo_pack(msg->select_jobinfo, buffer,
					     protocol_version);
		packstr_array(msg->spank_job_env, msg->spank_job_env_size,
			      buffer);
	} else if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		pack32(msg->job_id,  buffer);
		pack32(msg->step_id,  buffer);
		pack16(msg->job_state, buffer);
		pack32(msg->job_uid, buffer);
		pack_time(msg->time, buffer);
		packstr(msg->nodes, buffer);
		select_g_select_jobinfo_pack(msg->select_jobinfo, buffer,
					     protocol_version);
		packstr_array(msg->spank_job_env, msg->spank_job_env_size,
			      buffer);
	}
}

static int
_unpack_kill_job_msg(kill_job_msg_t ** msg, Buf buffer,
		     uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	kill_job_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg);
	tmp_ptr = xmalloc(sizeof(kill_job_msg_t));
	*msg = tmp_ptr;

	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpack32(&(tmp_ptr->job_id),  buffer);
		safe_unpack32(&(tmp_ptr->step_id),  buffer);
		safe_unpack16(&(tmp_ptr->job_state),  buffer);
		safe_unpack32(&(tmp_ptr->job_uid), buffer);
		safe_unpack_time(&(tmp_ptr->time), buffer);
		safe_unpack_time(&(tmp_ptr->start_time), buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->nodes), &uint32_tmp, buffer);
		if (select_g_select_jobinfo_unpack(&tmp_ptr->select_jobinfo,
						   buffer, protocol_version))
			goto unpack_error;
		safe_unpackstr_array(&(tmp_ptr->spank_job_env),
				     &tmp_ptr->spank_job_env_size, buffer);
	} else if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&(tmp_ptr->job_id),  buffer);
		safe_unpack32(&(tmp_ptr->step_id),  buffer);
		safe_unpack16(&(tmp_ptr->job_state),  buffer);
		safe_unpack32(&(tmp_ptr->job_uid), buffer);
		safe_unpack_time(&(tmp_ptr->time), buffer);
		safe_unpackstr_xmalloc(&(tmp_ptr->nodes), &uint32_tmp, buffer);
		if (select_g_select_jobinfo_unpack(&tmp_ptr->select_jobinfo,
						   buffer, protocol_version))
			goto unpack_error;
		safe_unpackstr_array(&(tmp_ptr->spank_job_env),
				     &tmp_ptr->spank_job_env_size, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_kill_job_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_signal_job_msg(signal_job_msg_t * msg, Buf buffer,
		     uint16_t protocol_version)
{
	xassert(msg != NULL);

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		pack32((uint32_t)msg->job_id,  buffer);
		pack32((uint32_t)msg->signal, buffer);
	}
	debug("_pack_signal_job_msg signal = %d", msg->signal);
}

static int
_unpack_signal_job_msg(signal_job_msg_t ** msg, Buf buffer,
		       uint16_t protocol_version)
{
	signal_job_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg);
	tmp_ptr = xmalloc(sizeof(signal_job_msg_t));
	*msg = tmp_ptr;

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&(tmp_ptr->job_id), buffer);
		safe_unpack32(&(tmp_ptr->signal), buffer);
	}
	debug("_unpack_signal_job_msg signal = %d", tmp_ptr->signal);

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_signal_job_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_epilog_comp_msg(epilog_complete_msg_t * msg, Buf buffer,
		      uint16_t protocol_version)
{
	xassert(msg != NULL);

	pack32((uint32_t)msg->job_id, buffer);
	pack32((uint32_t)msg->return_code, buffer);
	packstr(msg->node_name, buffer);
	switch_g_pack_node_info(msg->switch_nodeinfo, buffer);
}

static int
_unpack_epilog_comp_msg(epilog_complete_msg_t ** msg, Buf buffer,
			uint16_t protocol_version)
{
	epilog_complete_msg_t *tmp_ptr;
	uint32_t uint32_tmp;

	/* alloc memory for structure */
	xassert(msg);
	tmp_ptr = xmalloc(sizeof(epilog_complete_msg_t));
	*msg = tmp_ptr;

	safe_unpack32(&(tmp_ptr->job_id), buffer);
	safe_unpack32(&(tmp_ptr->return_code), buffer);
	safe_unpackstr_xmalloc(& (tmp_ptr->node_name), &uint32_tmp, buffer);
	if (switch_g_alloc_node_info(&tmp_ptr->switch_nodeinfo)
	    ||  switch_g_unpack_node_info(tmp_ptr->switch_nodeinfo, buffer))
		goto unpack_error;

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_epilog_complete_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_update_job_time_msg(job_time_msg_t * msg, Buf buffer,
			  uint16_t protocol_version)
{
	xassert(msg != NULL);

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		pack32((uint32_t)msg->job_id, buffer);
		pack_time(msg->expiration_time, buffer);
	}
}

static int
_unpack_update_job_time_msg(job_time_msg_t ** msg, Buf buffer,
			    uint16_t protocol_version)
{
	job_time_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg);
	tmp_ptr = xmalloc(sizeof(job_time_msg_t));
	*msg = tmp_ptr;

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&(tmp_ptr->job_id), buffer);
		safe_unpack_time(& (tmp_ptr->expiration_time), buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_update_job_time_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_step_create_response_msg(job_step_create_response_msg_t * msg,
				   Buf buffer,
				   uint16_t protocol_version)
{
	xassert(msg != NULL);

	if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		packstr(msg->resv_ports, buffer);
		pack32(msg->job_step_id, buffer);
		pack_slurm_step_layout(
			msg->step_layout, buffer, protocol_version);
		slurm_cred_pack(msg->cred, buffer);
		select_g_select_jobinfo_pack(
			msg->select_jobinfo, buffer, protocol_version);
		switch_pack_jobinfo(msg->switch_job, buffer);
	} else {
		packstr(msg->resv_ports, buffer);
		pack32(msg->job_step_id, buffer);
		pack_slurm_step_layout(
			msg->step_layout, buffer, protocol_version);
		slurm_cred_pack(msg->cred, buffer);
		switch_pack_jobinfo(msg->switch_job, buffer);
	}
}

static int
_unpack_job_step_create_response_msg(job_step_create_response_msg_t ** msg,
				     Buf buffer,
				     uint16_t protocol_version)
{
	job_step_create_response_msg_t *tmp_ptr = NULL;
	uint32_t uint32_tmp;

	/* alloc memory for structure */
	xassert(msg != NULL);
	tmp_ptr = xmalloc(sizeof(job_step_create_response_msg_t));
	*msg = tmp_ptr;

	if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(
			&tmp_ptr->resv_ports, &uint32_tmp, buffer);
		safe_unpack32(&tmp_ptr->job_step_id, buffer);
		if (unpack_slurm_step_layout(&tmp_ptr->step_layout, buffer,
					     protocol_version))
			goto unpack_error;

		if (!(tmp_ptr->cred = slurm_cred_unpack(
			      buffer, protocol_version)))
			goto unpack_error;

		if (select_g_select_jobinfo_unpack(
			    &tmp_ptr->select_jobinfo, buffer, protocol_version))
			goto unpack_error;
		switch_alloc_jobinfo(&tmp_ptr->switch_job);
		if (switch_unpack_jobinfo(tmp_ptr->switch_job, buffer)) {
			error("switch_unpack_jobinfo: %m");
			switch_free_jobinfo(tmp_ptr->switch_job);
			goto unpack_error;
		}
	} else {
		safe_unpackstr_xmalloc(
			&tmp_ptr->resv_ports, &uint32_tmp, buffer);
		safe_unpack32(&tmp_ptr->job_step_id, buffer);
		if (unpack_slurm_step_layout(&tmp_ptr->step_layout, buffer,
					     protocol_version))
			goto unpack_error;

		if (!(tmp_ptr->cred = slurm_cred_unpack(
			      buffer, protocol_version)))
			goto unpack_error;

		switch_alloc_jobinfo(&tmp_ptr->switch_job);
		if (switch_unpack_jobinfo(tmp_ptr->switch_job, buffer)) {
			error("switch_unpack_jobinfo: %m");
			switch_free_jobinfo(tmp_ptr->switch_job);
			goto unpack_error;
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_step_create_response_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static int
_unpack_partition_info_msg(partition_info_msg_t ** msg, Buf buffer,
			   uint16_t protocol_version)
{
	int i;
	partition_info_t *partition = NULL;

	xassert(msg != NULL);
	*msg = xmalloc(sizeof(partition_info_msg_t));

	/* load buffer's header (data structure version and time) */
	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&((*msg)->record_count), buffer);
		safe_unpack_time(&((*msg)->last_update), buffer);

		partition = (*msg)->partition_array =
			xmalloc(sizeof(partition_info_t)
				* (*msg)->record_count);

		/* load individual partition info */
		for (i = 0; i < (*msg)->record_count; i++) {
			if (_unpack_partition_info_members(&partition[i],
							   buffer,
							   protocol_version))
				goto unpack_error;
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_partition_info_msg(*msg);
	*msg = NULL;
	return SLURM_ERROR;
}


static int
_unpack_partition_info_members(partition_info_t * part, Buf buffer,
			       uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	char *node_inx_str = NULL;

	if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&part->name, &uint32_tmp, buffer);
		if (part->name == NULL)
			part->name = xmalloc(1);/* part->name = "" implicit */
		safe_unpack32(&part->grace_time,   buffer);
		safe_unpack32(&part->max_time,     buffer);
		safe_unpack32(&part->default_time, buffer);
		safe_unpack32(&part->max_nodes,    buffer);
		safe_unpack32(&part->min_nodes,    buffer);
		safe_unpack32(&part->total_nodes,  buffer);
		safe_unpack32(&part->total_cpus,   buffer);
		safe_unpack32(&part->def_mem_per_cpu, buffer);
		safe_unpack32(&part->max_mem_per_cpu, buffer);
		safe_unpack16(&part->flags,        buffer);
		safe_unpack16(&part->max_share,    buffer);
		safe_unpack16(&part->preempt_mode, buffer);
		safe_unpack16(&part->priority,     buffer);

		safe_unpack16(&part->state_up, buffer);
		safe_unpackstr_xmalloc(&part->allow_groups, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&part->allow_alloc_nodes, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&part->alternate, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&part->nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			part->node_inx = bitfmt2int("");
		else {
			part->node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
			node_inx_str = NULL;
		}
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&part->name, &uint32_tmp, buffer);
		if (part->name == NULL)
			part->name = xmalloc(1);/* part->name = "" implicit */
		safe_unpack32(&part->max_time,     buffer);
		safe_unpack32(&part->default_time, buffer);
		safe_unpack32(&part->max_nodes,    buffer);
		safe_unpack32(&part->min_nodes,    buffer);
		safe_unpack32(&part->total_nodes,  buffer);
		safe_unpack32(&part->total_cpus,   buffer);
		safe_unpack16(&part->flags,        buffer);
		safe_unpack16(&part->max_share,    buffer);
		safe_unpack16(&part->preempt_mode, buffer);
		safe_unpack16(&part->priority,     buffer);

		safe_unpack16(&part->state_up, buffer);
		safe_unpackstr_xmalloc(&part->allow_groups, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&part->allow_alloc_nodes, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&part->alternate, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&part->nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			part->node_inx = bitfmt2int("");
		else {
			part->node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
			node_inx_str = NULL;
		}
	} else {
		uint16_t default_part, disable_root_jobs, hidden, root_only;
		safe_unpackstr_xmalloc(&part->name, &uint32_tmp, buffer);
		if (part->name == NULL)
			part->name = xmalloc(1);/* part->name = "" implicit */
		safe_unpack32(&part->max_time,     buffer);
		safe_unpack32(&part->default_time, buffer);
		safe_unpack32(&part->max_nodes,    buffer);
		safe_unpack32(&part->min_nodes,    buffer);
		safe_unpack32(&part->total_nodes,  buffer);
		safe_unpack32(&part->total_cpus,   buffer);
		safe_unpack16(&default_part,       buffer);
		safe_unpack16(&disable_root_jobs,  buffer);
		safe_unpack16(&hidden,             buffer);
		safe_unpack16(&root_only,          buffer);
		safe_unpack16(&part->max_share,    buffer);
		safe_unpack16(&part->priority,     buffer);

		safe_unpack16(&part->state_up, buffer);
		if (part->state_up)
			part->state_up = PARTITION_UP;
		else
			part->state_up = PARTITION_DOWN;
		safe_unpackstr_xmalloc(&part->allow_groups, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&part->allow_alloc_nodes, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&part->nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			part->node_inx = bitfmt2int("");
		else {
			part->node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
			node_inx_str = NULL;
		}
		if (default_part)
			part->flags |= PART_FLAG_DEFAULT;
		if (disable_root_jobs)
			part->flags |= PART_FLAG_NO_ROOT;
		if (hidden)
			part->flags |= PART_FLAG_HIDDEN;
		if (root_only)
			part->flags |= PART_FLAG_ROOT_ONLY;
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_partition_info_members(part);
	return SLURM_ERROR;
}

static int
_unpack_reserve_info_msg(reserve_info_msg_t ** msg, Buf buffer,
			 uint16_t protocol_version)
{
	int i;
	reserve_info_t *reserve = NULL;

	xassert(msg != NULL);
	*msg = xmalloc(sizeof(reserve_info_msg_t));

	/* load buffer's header (data structure version and time) */
	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&((*msg)->record_count), buffer);
		safe_unpack_time(&((*msg)->last_update), buffer);

		reserve = (*msg)->reservation_array =
			xmalloc(sizeof(reserve_info_t) * (*msg)->record_count);

		/* load individual reservation records */
		for (i = 0; i < (*msg)->record_count; i++) {
			if (_unpack_reserve_info_members(&reserve[i], buffer,
							 protocol_version))
				goto unpack_error;
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_reservation_info_msg(*msg);
	*msg = NULL;
	return SLURM_ERROR;
}


static int
_unpack_reserve_info_members(reserve_info_t * resv, Buf buffer,
			     uint16_t protocol_version)
{
	char *node_inx_str = NULL;
	uint32_t uint32_tmp;

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&resv->accounts,	&uint32_tmp, buffer);
		safe_unpack_time(&resv->end_time,	buffer);
		safe_unpackstr_xmalloc(&resv->features,	&uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&resv->licenses, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&resv->name,	&uint32_tmp, buffer);
		safe_unpack32(&resv->node_cnt,		buffer);
		safe_unpackstr_xmalloc(&resv->node_list,&uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&resv->partition,&uint32_tmp, buffer);
		safe_unpack_time(&resv->start_time,	buffer);
		safe_unpack16(&resv->flags,		buffer);
		safe_unpackstr_xmalloc(&resv->users,	&uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str,   &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			resv->node_inx = bitfmt2int("");
		else {
			resv->node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
			node_inx_str = NULL;
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	xfree(node_inx_str);
	slurm_free_reserve_info_members(resv);
	return SLURM_ERROR;
}

/* _unpack_job_step_info_members
 * unpacks a set of slurm job step info for one job step
 * OUT step - pointer to the job step info buffer
 * IN/OUT buffer - source of the unpack, contains pointers that are
 *			automatically updated
 */
static int
_unpack_job_step_info_members(job_step_info_t * step, Buf buffer,
			      uint16_t protocol_version)
{
	uint32_t uint32_tmp = 0;
	char *node_inx_str;

	if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		safe_unpack32(&step->job_id, buffer);
		safe_unpack32(&step->step_id, buffer);
		safe_unpack16(&step->ckpt_interval, buffer);
		safe_unpack32(&step->user_id, buffer);
		safe_unpack32(&step->num_cpus, buffer);
		safe_unpack32(&step->num_tasks, buffer);
		safe_unpack32(&step->time_limit, buffer);

		safe_unpack_time(&step->start_time, buffer);
		safe_unpack_time(&step->run_time, buffer);

		safe_unpackstr_xmalloc(&step->partition, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->resv_ports, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->network, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->ckpt_dir, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->gres, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			step->node_inx = bitfmt2int("");
		else {
			step->node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}
		if (select_g_select_jobinfo_unpack(&step->select_jobinfo,
						   buffer, protocol_version))
			goto unpack_error;
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpack32(&step->job_id, buffer);
		safe_unpack32(&step->step_id, buffer);
		safe_unpack16(&step->ckpt_interval, buffer);
		safe_unpack32(&step->user_id, buffer);
		safe_unpack32(&step->num_cpus, buffer);
		safe_unpack32(&step->num_tasks, buffer);
		safe_unpack32(&step->time_limit, buffer);

		safe_unpack_time(&step->start_time, buffer);
		safe_unpack_time(&step->run_time, buffer);

		safe_unpackstr_xmalloc(&step->partition, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->resv_ports, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->network, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->ckpt_dir, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->gres, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			step->node_inx = bitfmt2int("");
		else {
			step->node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}
	} else {
		safe_unpack32(&step->job_id, buffer);
		safe_unpack32(&step->step_id, buffer);
		safe_unpack16(&step->ckpt_interval, buffer);
		safe_unpack32(&step->user_id, buffer);
		safe_unpack32(&step->num_cpus, buffer);
		safe_unpack32(&step->num_tasks, buffer);
		safe_unpack32(&step->time_limit, buffer);

		safe_unpack_time(&step->start_time, buffer);
		safe_unpack_time(&step->run_time, buffer);

		safe_unpackstr_xmalloc(&step->partition, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->resv_ports, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->network, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&step->ckpt_dir, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			step->node_inx = bitfmt2int("");
		else {
			step->node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}
	}

	return SLURM_SUCCESS;

unpack_error:
	/* no need to free here.  (we will just be freeing it 2 times
	   since this is freed in _unpack_job_step_info_response_msg
	*/
	//slurm_free_job_step_info_members(step);
	return SLURM_ERROR;
}

static int
_unpack_job_step_info_response_msg(job_step_info_response_msg_t** msg,
				   Buf buffer,
				   uint16_t protocol_version)
{
	int i = 0;
	job_step_info_t *step;

	xassert(msg != NULL);
	*msg = xmalloc(sizeof(job_step_info_response_msg_t));

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack_time(&(*msg)->last_update, buffer);
		safe_unpack32(&(*msg)->job_step_count, buffer);

		step = (*msg)->job_steps = xmalloc(sizeof(job_step_info_t)
						   * (*msg)->job_step_count);

		for (i = 0; i < (*msg)->job_step_count; i++)
			if (_unpack_job_step_info_members(&step[i], buffer,
							  protocol_version))
				goto unpack_error;
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_step_info_response_msg(*msg);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_buffer_msg(slurm_msg_t * msg, Buf buffer)
{
	xassert(msg != NULL);
	packmem_array(msg->data, msg->data_size, buffer);
}

static int
_unpack_job_info_msg(job_info_msg_t ** msg, Buf buffer,
		     uint16_t protocol_version)
{
	int i;
	job_info_t *job = NULL;

	xassert(msg != NULL);
	*msg = xmalloc(sizeof(job_info_msg_t));

	/* load buffer's header (data structure version and time) */
	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&((*msg)->record_count), buffer);
		safe_unpack_time(&((*msg)->last_update), buffer);
		job = (*msg)->job_array =
			xmalloc(sizeof(job_info_t) * (*msg)->record_count);

		/* load individual job info */
		for (i = 0; i < (*msg)->record_count; i++) {
			if (_unpack_job_info_members(&job[i], buffer,
						     protocol_version))
				goto unpack_error;
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_info_msg(*msg);
	*msg = NULL;
	return SLURM_ERROR;
}

/* _unpack_job_info_members
 * unpacks a set of slurm job info for one job
 * OUT job - pointer to the job info buffer
 * IN/OUT buffer - source of the unpack, contains pointers that are
 *			automatically updated
 */
static int
_unpack_job_info_members(job_info_t * job, Buf buffer,
			 uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	char *node_inx_str;
	multi_core_data_t *mc_ptr;

	if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		safe_unpack32(&job->assoc_id, buffer);
		safe_unpack32(&job->job_id, buffer);
		safe_unpack32(&job->user_id, buffer);
		safe_unpack32(&job->group_id, buffer);

		safe_unpack16(&job->job_state,    buffer);
		safe_unpack16(&job->batch_flag,   buffer);
		safe_unpack16(&job->state_reason, buffer);
		safe_unpack16(&job->restart_cnt, buffer);
		safe_unpack16(&job->show_flags, buffer);

		safe_unpack32(&job->alloc_sid,    buffer);
		safe_unpack32(&job->time_limit,   buffer);
		safe_unpack32(&job->time_min,   buffer);

		safe_unpack16(&job->nice, buffer);

		safe_unpack_time(&job->submit_time, buffer);
		safe_unpack_time(&job->eligible_time, buffer);
		safe_unpack_time(&job->start_time, buffer);
		safe_unpack_time(&job->end_time, buffer);
		safe_unpack_time(&job->suspend_time, buffer);
		safe_unpack_time(&job->pre_sus_time, buffer);
		safe_unpack_time(&job->resize_time, buffer);
		safe_unpack_time(&job->preempt_time, buffer);
		safe_unpack32(&job->priority, buffer);
		safe_unpackstr_xmalloc(&job->nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->partition, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->account, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->network, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->comment, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->gres, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->batch_host, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->batch_script, &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&job->qos, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->licenses, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->state_desc, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->resv_name,  &uint32_tmp, buffer);

		safe_unpack32(&job->exit_code, buffer);
		safe_unpack32(&job->derived_ec, buffer);
		unpack_job_resources(&job->job_resrcs, buffer,
				     protocol_version);

		safe_unpackstr_xmalloc(&job->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->wckey, &uint32_tmp, buffer);
		safe_unpack32(&job->req_switch, buffer);
		safe_unpack32(&job->wait4switch, buffer);

		safe_unpackstr_xmalloc(&job->alloc_node, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			job->node_inx = bitfmt2int("");
		else {
			job->node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}

		if (select_g_select_jobinfo_unpack(&job->select_jobinfo,
						   buffer, protocol_version))
			goto unpack_error;

		/*** unpack default job details ***/
		safe_unpackstr_xmalloc(&job->features,   &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->work_dir,   &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->dependency, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->command,    &uint32_tmp, buffer);

		safe_unpack32(&job->num_cpus, buffer);
		safe_unpack32(&job->max_cpus, buffer);
		safe_unpack32(&job->num_nodes,   buffer);
		safe_unpack32(&job->max_nodes,   buffer);
		safe_unpack16(&job->requeue,     buffer);

		/*** unpack pending job details ***/
		safe_unpack16(&job->shared,        buffer);
		safe_unpack16(&job->contiguous,    buffer);
		safe_unpack16(&job->cpus_per_task, buffer);
		safe_unpack16(&job->pn_min_cpus, buffer);

		safe_unpack32(&job->pn_min_memory, buffer);
		safe_unpack32(&job->pn_min_tmp_disk, buffer);

		safe_unpackstr_xmalloc(&job->req_nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			job->req_node_inx = bitfmt2int("");
		else {
			job->req_node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}
		safe_unpackstr_xmalloc(&job->exc_nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			job->exc_node_inx = bitfmt2int("");
		else {
			job->exc_node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}

		if (unpack_multi_core_data(&mc_ptr, buffer, protocol_version))
			goto unpack_error;
		if (mc_ptr) {
			job->sockets_per_node  = mc_ptr->sockets_per_node;
			job->cores_per_socket  = mc_ptr->cores_per_socket;
			job->threads_per_core  = mc_ptr->threads_per_core;
			job->ntasks_per_socket = mc_ptr->ntasks_per_socket;
			job->ntasks_per_core   = mc_ptr->ntasks_per_core;
			xfree(mc_ptr);
		}
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpack32(&job->assoc_id, buffer);
		safe_unpack32(&job->job_id, buffer);
		safe_unpack32(&job->user_id, buffer);
		safe_unpack32(&job->group_id, buffer);

		safe_unpack16(&job->job_state,    buffer);
		safe_unpack16(&job->batch_flag,   buffer);
		safe_unpack16(&job->state_reason, buffer);
		safe_unpack16(&job->restart_cnt, buffer);
		safe_unpack16(&job->show_flags, buffer);

		safe_unpack32(&job->alloc_sid,    buffer);
		safe_unpack32(&job->time_limit,   buffer);
		safe_unpack32(&job->time_min,   buffer);

		safe_unpack16(&job->nice, buffer);

		safe_unpack_time(&job->submit_time, buffer);
		safe_unpack_time(&job->eligible_time, buffer);
		safe_unpack_time(&job->start_time, buffer);
		safe_unpack_time(&job->end_time, buffer);
		safe_unpack_time(&job->suspend_time, buffer);
		safe_unpack_time(&job->pre_sus_time, buffer);
		safe_unpack_time(&job->resize_time, buffer);

		safe_unpack32(&job->priority, buffer);

		safe_unpackstr_xmalloc(&job->nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->partition, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->account, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->network, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->comment, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->gres, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->qos, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->licenses, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->state_desc, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->resv_name,  &uint32_tmp, buffer);

		safe_unpack32(&job->exit_code, buffer);
		safe_unpack32(&job->derived_ec, buffer);
		unpack_job_resources(&job->job_resrcs, buffer,
				     protocol_version);

		safe_unpackstr_xmalloc(&job->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->wckey, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->alloc_node, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			job->node_inx = bitfmt2int("");
		else {
			job->node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}

		if (select_g_select_jobinfo_unpack(&job->select_jobinfo,
						   buffer, protocol_version)) {
			info("here");
			goto unpack_error;
		}
		/*** unpack default job details ***/
		safe_unpackstr_xmalloc(&job->features,   &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->work_dir,   &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->dependency, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->command,    &uint32_tmp, buffer);

		safe_unpack32(&job->num_cpus, buffer);
		safe_unpack32(&job->max_cpus, buffer);
		safe_unpack32(&job->num_nodes,   buffer);
		safe_unpack32(&job->max_nodes,   buffer);
		safe_unpack16(&job->requeue,     buffer);

		/*** unpack pending job details ***/
		safe_unpack16(&job->shared,        buffer);
		safe_unpack16(&job->contiguous,    buffer);
		safe_unpack16(&job->cpus_per_task, buffer);
		safe_unpack16(&job->pn_min_cpus, buffer);

		safe_unpack32(&job->pn_min_memory, buffer);
		safe_unpack32(&job->pn_min_tmp_disk, buffer);

		safe_unpackstr_xmalloc(&job->req_nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			job->req_node_inx = bitfmt2int("");
		else {
			job->req_node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}
		safe_unpackstr_xmalloc(&job->exc_nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			job->exc_node_inx = bitfmt2int("");
		else {
			job->exc_node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}

		if (unpack_multi_core_data(&mc_ptr, buffer, protocol_version))
			goto unpack_error;
		if (mc_ptr) {
			job->sockets_per_node  = mc_ptr->sockets_per_node;
			job->cores_per_socket  = mc_ptr->cores_per_socket;
			job->threads_per_core  = mc_ptr->threads_per_core;
			job->ntasks_per_socket = mc_ptr->ntasks_per_socket;
			job->ntasks_per_core   = mc_ptr->ntasks_per_core;
			xfree(mc_ptr);
		}
	} else if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&job->assoc_id, buffer);
		safe_unpack32(&job->job_id, buffer);
		safe_unpack32(&job->user_id, buffer);
		safe_unpack32(&job->group_id, buffer);

		safe_unpack16(&job->job_state,    buffer);
		safe_unpack16(&job->batch_flag,   buffer);
		safe_unpack16(&job->state_reason, buffer);
		safe_unpack16(&job->restart_cnt, buffer);

		safe_unpack32(&job->alloc_sid,    buffer);
		safe_unpack32(&job->time_limit,   buffer);
		job->time_min = job->time_limit;

		safe_unpack16(&job->nice, buffer);

		safe_unpack_time(&job->submit_time, buffer);
		safe_unpack_time(&job->eligible_time, buffer);
		safe_unpack_time(&job->start_time, buffer);
		safe_unpack_time(&job->end_time, buffer);
		safe_unpack_time(&job->suspend_time, buffer);
		safe_unpack_time(&job->pre_sus_time, buffer);

		safe_unpack32(&job->priority, buffer);

		safe_unpackstr_xmalloc(&job->nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->partition, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->account, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->network, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->comment, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->qos, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->licenses, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->state_desc, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->resv_name,  &uint32_tmp, buffer);

		safe_unpack32(&job->exit_code, buffer);
		unpack_job_resources(&job->job_resrcs, buffer,
				     protocol_version);
		/* Kludge for lack of resource node list in SLURM version 2.1 */
		job->job_resrcs->nodes = xstrdup(job->nodes);

		safe_unpackstr_xmalloc(&job->name, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->wckey, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->alloc_node, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			job->node_inx = bitfmt2int("");
		else {
			job->node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}
		safe_unpack32(&job->num_cpus, buffer);

		if (select_g_select_jobinfo_unpack(&job->select_jobinfo,
						   buffer, protocol_version))
			goto unpack_error;

		/*** unpack default job details ***/
		safe_unpackstr_xmalloc(&job->features,   &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->work_dir,   &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->dependency, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job->command,    &uint32_tmp, buffer);

		safe_unpack32(&job->num_nodes,   buffer);
		safe_unpack32(&job->max_nodes,   buffer);
		safe_unpack16(&job->requeue,     buffer);

		/*** unpack pending job details ***/
		safe_unpack16(&job->shared,        buffer);
		safe_unpack16(&job->contiguous,    buffer);
		safe_unpack16(&job->cpus_per_task, buffer);
		safe_unpack16(&job->pn_min_cpus, buffer);

		safe_unpack32(&job->pn_min_memory, buffer);
		safe_unpack32(&job->pn_min_tmp_disk, buffer);

		safe_unpackstr_xmalloc(&job->req_nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			job->req_node_inx = bitfmt2int("");
		else {
			job->req_node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}
		safe_unpackstr_xmalloc(&job->exc_nodes, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&node_inx_str, &uint32_tmp, buffer);
		if (node_inx_str == NULL)
			job->exc_node_inx = bitfmt2int("");
		else {
			job->exc_node_inx = bitfmt2int(node_inx_str);
			xfree(node_inx_str);
		}

		if (unpack_multi_core_data(&mc_ptr, buffer, protocol_version))
			goto unpack_error;
		if (mc_ptr) {
			job->sockets_per_node  = mc_ptr->sockets_per_node;
			job->cores_per_socket  = mc_ptr->cores_per_socket;
			job->threads_per_core  = mc_ptr->threads_per_core;
			job->ntasks_per_socket = mc_ptr->ntasks_per_socket;
			job->ntasks_per_core   = mc_ptr->ntasks_per_core;
			xfree(mc_ptr);
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_info_members(job);
	return SLURM_ERROR;
}

static void
_pack_slurm_ctl_conf_msg(slurm_ctl_conf_info_msg_t * build_ptr, Buf buffer,
			 uint16_t protocol_version)
{
	uint32_t count = NO_VAL;
	uint16_t uint16_tmp;
	uint32_t cluster_flags = slurmdb_setup_cluster_flags();

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		pack_time(build_ptr->last_update, buffer);

		pack16(build_ptr->accounting_storage_enforce, buffer);
		packstr(build_ptr->accounting_storage_backup_host, buffer);
		packstr(build_ptr->accounting_storage_host, buffer);
		packstr(build_ptr->accounting_storage_loc, buffer);
		pack32(build_ptr->accounting_storage_port, buffer);
		packstr(build_ptr->accounting_storage_type, buffer);
		packstr(build_ptr->accounting_storage_user, buffer);
		pack16(build_ptr->acctng_store_job_comment, buffer);

		packstr(build_ptr->authtype, buffer);

		packstr(build_ptr->backup_addr, buffer);
		packstr(build_ptr->backup_controller, buffer);
		pack16(build_ptr->batch_start_timeout, buffer);
		pack_time(build_ptr->boot_time, buffer);

		packstr(build_ptr->checkpoint_type, buffer);
		packstr(build_ptr->cluster_name, buffer);
		pack16(build_ptr->complete_wait, buffer);
		packstr(build_ptr->control_addr, buffer);
		packstr(build_ptr->control_machine, buffer);
		packstr(build_ptr->crypto_type, buffer);

		pack32(build_ptr->def_mem_per_cpu, buffer);
		pack32(build_ptr->debug_flags, buffer);
		pack16(build_ptr->disable_root_jobs, buffer);

		pack16(build_ptr->enforce_part_limits, buffer);
		packstr(build_ptr->epilog, buffer);
		pack32(build_ptr->epilog_msg_time, buffer);
		packstr(build_ptr->epilog_slurmctld, buffer);

		pack16(build_ptr->fast_schedule, buffer);
		pack32(build_ptr->first_job_id, buffer);

		pack16(build_ptr->get_env_timeout, buffer);
		packstr(build_ptr->gres_plugins, buffer);
		pack16(build_ptr->group_info, buffer);

		pack32(build_ptr->hash_val, buffer);

		pack16(build_ptr->health_check_interval, buffer);
		packstr(build_ptr->health_check_program, buffer);

		pack16(build_ptr->inactive_limit, buffer);

		pack16(build_ptr->job_acct_gather_freq, buffer);
		packstr(build_ptr->job_acct_gather_type, buffer);

		packstr(build_ptr->job_ckpt_dir, buffer);

		packstr(build_ptr->job_comp_host, buffer);
		packstr(build_ptr->job_comp_loc, buffer);
		pack32((uint32_t)build_ptr->job_comp_port, buffer);
		packstr(build_ptr->job_comp_type, buffer);
		packstr(build_ptr->job_comp_user, buffer);

		packstr(build_ptr->job_credential_private_key, buffer);
		packstr(build_ptr->job_credential_public_certificate, buffer);
		pack16(build_ptr->job_file_append, buffer);
		pack16(build_ptr->job_requeue, buffer);
		packstr(build_ptr->job_submit_plugins, buffer);

		pack16(build_ptr->kill_on_bad_exit, buffer);
		pack16(build_ptr->kill_wait, buffer);

		packstr(build_ptr->licenses, buffer);

		packstr(build_ptr->mail_prog, buffer);
		pack32(build_ptr->max_job_cnt, buffer);
		pack32(build_ptr->max_job_id, buffer);
		pack32(build_ptr->max_mem_per_cpu, buffer);
		pack32(build_ptr->max_step_cnt, buffer);
		pack16(build_ptr->max_tasks_per_node, buffer);
		pack16(build_ptr->min_job_age, buffer);
		packstr(build_ptr->mpi_default, buffer);
		packstr(build_ptr->mpi_params, buffer);
		pack16(build_ptr->msg_timeout, buffer);

		pack32(build_ptr->next_job_id, buffer);
		packstr(build_ptr->node_prefix, buffer);

		pack16(build_ptr->over_time_limit, buffer);

		packstr(build_ptr->plugindir, buffer);
		packstr(build_ptr->plugstack, buffer);
		pack16(build_ptr->preempt_mode, buffer);
		packstr(build_ptr->preempt_type, buffer);

		pack32(build_ptr->priority_decay_hl, buffer);
		pack32(build_ptr->priority_calc_period, buffer);
		pack16(build_ptr->priority_favor_small, buffer);
		pack16(build_ptr->priority_flags, buffer);
		pack32(build_ptr->priority_max_age, buffer);
		pack16(build_ptr->priority_reset_period, buffer);
		packstr(build_ptr->priority_type, buffer);
		pack32(build_ptr->priority_weight_age, buffer);
		pack32(build_ptr->priority_weight_fs, buffer);
		pack32(build_ptr->priority_weight_js, buffer);
		pack32(build_ptr->priority_weight_part, buffer);
		pack32(build_ptr->priority_weight_qos, buffer);

		pack16(build_ptr->private_data, buffer);
		packstr(build_ptr->proctrack_type, buffer);
		packstr(build_ptr->prolog, buffer);
		packstr(build_ptr->prolog_slurmctld, buffer);
		pack16(build_ptr->propagate_prio_process, buffer);
		packstr(build_ptr->propagate_rlimits, buffer);
		packstr(build_ptr->propagate_rlimits_except, buffer);

		packstr(build_ptr->reboot_program, buffer);
		pack16(build_ptr->reconfig_flags, buffer);
		packstr(build_ptr->resume_program, buffer);
		pack16(build_ptr->resume_rate, buffer);
		pack16(build_ptr->resume_timeout, buffer);
		pack16(build_ptr->resv_over_run, buffer);
		pack16(build_ptr->ret2service, buffer);

		packstr(build_ptr->salloc_default_command, buffer);
		packstr(build_ptr->sched_params, buffer);
		pack16(build_ptr->schedport, buffer);
		pack16(build_ptr->schedrootfltr, buffer);
		packstr(build_ptr->sched_logfile, buffer);
		pack16(build_ptr->sched_log_level, buffer);
		pack16(build_ptr->sched_time_slice, buffer);
		packstr(build_ptr->schedtype, buffer);
		packstr(build_ptr->select_type, buffer);
		if(build_ptr->select_conf_key_pairs)
			count = list_count(build_ptr->select_conf_key_pairs);

		pack32(count, buffer);
		if (count && count != NO_VAL) {
			ListIterator itr = list_iterator_create(
				(List)build_ptr->select_conf_key_pairs);
			config_key_pair_t *key_pair = NULL;
			while ((key_pair = list_next(itr))) {
				pack_config_key_pair(key_pair,
						     protocol_version, buffer);
			}
			list_iterator_destroy(itr);
		}
		count = NO_VAL;

		pack16(build_ptr->select_type_param, buffer);

		packstr(build_ptr->slurm_conf, buffer);
		pack32(build_ptr->slurm_user_id, buffer);
		packstr(build_ptr->slurm_user_name, buffer);
		pack32(build_ptr->slurmd_user_id, buffer);
		packstr(build_ptr->slurmd_user_name, buffer);

		pack16(build_ptr->slurmctld_debug, buffer);
		packstr(build_ptr->slurmctld_logfile, buffer);
		packstr(build_ptr->slurmctld_pidfile, buffer);
		pack32(build_ptr->slurmctld_port, buffer);
		pack16(build_ptr->slurmctld_port_count, buffer);
		pack16(build_ptr->slurmctld_timeout, buffer);

		pack16(build_ptr->slurmd_debug, buffer);
		packstr(build_ptr->slurmd_logfile, buffer);
		packstr(build_ptr->slurmd_pidfile, buffer);
		if (!(cluster_flags & CLUSTER_FLAG_MULTSD))
			pack32(build_ptr->slurmd_port, buffer);

		packstr(build_ptr->slurmd_spooldir, buffer);
		pack16(build_ptr->slurmd_timeout, buffer);
		packstr(build_ptr->srun_epilog, buffer);
		packstr(build_ptr->srun_prolog, buffer);
		packstr(build_ptr->state_save_location, buffer);
		packstr(build_ptr->suspend_exc_nodes, buffer);
		packstr(build_ptr->suspend_exc_parts, buffer);
		packstr(build_ptr->suspend_program, buffer);
		pack16(build_ptr->suspend_rate, buffer);
		pack32(build_ptr->suspend_time, buffer);
		pack16(build_ptr->suspend_timeout, buffer);
		packstr(build_ptr->switch_type, buffer);

		packstr(build_ptr->task_epilog, buffer);
		packstr(build_ptr->task_prolog, buffer);
		packstr(build_ptr->task_plugin, buffer);
		pack16(build_ptr->task_plugin_param, buffer);
		packstr(build_ptr->tmp_fs, buffer);
		packstr(build_ptr->topology_plugin, buffer);
		pack16(build_ptr->track_wckey, buffer);
		pack16(build_ptr->tree_width, buffer);

		pack16(build_ptr->use_pam, buffer);
		packstr(build_ptr->unkillable_program, buffer);
		pack16(build_ptr->unkillable_timeout, buffer);
		packstr(build_ptr->version, buffer);
		pack16(build_ptr->vsize_factor, buffer);

		pack16(build_ptr->wait_time, buffer);

		pack16(build_ptr->z_16, buffer);
		pack32(build_ptr->z_32, buffer);
		packstr(build_ptr->z_char, buffer);
	} else if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		pack_time(build_ptr->last_update, buffer);

		pack16(build_ptr->accounting_storage_enforce, buffer);
		packstr(build_ptr->accounting_storage_backup_host, buffer);
		packstr(build_ptr->accounting_storage_host, buffer);
		packstr(build_ptr->accounting_storage_loc, buffer);
		pack32(build_ptr->accounting_storage_port, buffer);
		packstr(build_ptr->accounting_storage_type, buffer);
		packstr(build_ptr->accounting_storage_user, buffer);
		pack16(build_ptr->acctng_store_job_comment, buffer);

		packstr(build_ptr->authtype, buffer);

		packstr(build_ptr->backup_addr, buffer);
		packstr(build_ptr->backup_controller, buffer);
		pack16(build_ptr->batch_start_timeout, buffer);
		pack_time(build_ptr->boot_time, buffer);

		packstr(build_ptr->checkpoint_type, buffer);
		packstr(build_ptr->cluster_name, buffer);
		pack16(build_ptr->complete_wait, buffer);
		packstr(build_ptr->control_addr, buffer);
		packstr(build_ptr->control_machine, buffer);
		packstr(build_ptr->crypto_type, buffer);

		pack32(build_ptr->def_mem_per_cpu, buffer);
		pack32(build_ptr->debug_flags, buffer);
		pack16(build_ptr->disable_root_jobs, buffer);

		pack16(build_ptr->enforce_part_limits, buffer);
		packstr(build_ptr->epilog, buffer);
		pack32(build_ptr->epilog_msg_time, buffer);
		packstr(build_ptr->epilog_slurmctld, buffer);

		pack16(build_ptr->fast_schedule, buffer);
		pack32(build_ptr->first_job_id, buffer);

		pack16(build_ptr->get_env_timeout, buffer);
		packstr(build_ptr->gres_plugins, buffer);
		pack16(build_ptr->group_info, buffer);

		pack32(build_ptr->hash_val, buffer);

		pack16(build_ptr->health_check_interval, buffer);
		packstr(build_ptr->health_check_program, buffer);

		pack16(build_ptr->inactive_limit, buffer);

		pack16(build_ptr->job_acct_gather_freq, buffer);
		packstr(build_ptr->job_acct_gather_type, buffer);

		packstr(build_ptr->job_ckpt_dir, buffer);

		packstr(build_ptr->job_comp_host, buffer);
		packstr(build_ptr->job_comp_loc, buffer);
		pack32((uint32_t)build_ptr->job_comp_port, buffer);
		packstr(build_ptr->job_comp_type, buffer);
		packstr(build_ptr->job_comp_user, buffer);

		packstr(build_ptr->job_credential_private_key, buffer);
		packstr(build_ptr->job_credential_public_certificate, buffer);
		pack16(build_ptr->job_file_append, buffer);
		pack16(build_ptr->job_requeue, buffer);
		packstr(build_ptr->job_submit_plugins, buffer);

		pack16(build_ptr->kill_on_bad_exit, buffer);
		pack16(build_ptr->kill_wait, buffer);

		packstr(build_ptr->licenses, buffer);

		packstr(build_ptr->mail_prog, buffer);
		pack32(build_ptr->max_job_cnt, buffer);
		pack32(build_ptr->max_job_id, buffer);
		pack32(build_ptr->max_mem_per_cpu, buffer);
		pack32(build_ptr->max_step_cnt, buffer);
		pack16(build_ptr->max_tasks_per_node, buffer);
		pack16(build_ptr->min_job_age, buffer);
		packstr(build_ptr->mpi_default, buffer);
		packstr(build_ptr->mpi_params, buffer);
		pack16(build_ptr->msg_timeout, buffer);

		pack32(build_ptr->next_job_id, buffer);
		packstr(build_ptr->node_prefix, buffer);

		pack16(build_ptr->over_time_limit, buffer);

		packstr(build_ptr->plugindir, buffer);
		packstr(build_ptr->plugstack, buffer);
		pack16(build_ptr->preempt_mode, buffer);
		packstr(build_ptr->preempt_type, buffer);

		pack32(build_ptr->priority_decay_hl, buffer);
		pack32(build_ptr->priority_calc_period, buffer);
		pack16(build_ptr->priority_favor_small, buffer);
		pack32(build_ptr->priority_max_age, buffer);
		pack16(build_ptr->priority_reset_period, buffer);
		packstr(build_ptr->priority_type, buffer);
		pack32(build_ptr->priority_weight_age, buffer);
		pack32(build_ptr->priority_weight_fs, buffer);
		pack32(build_ptr->priority_weight_js, buffer);
		pack32(build_ptr->priority_weight_part, buffer);
		pack32(build_ptr->priority_weight_qos, buffer);

		pack16(build_ptr->private_data, buffer);
		packstr(build_ptr->proctrack_type, buffer);
		packstr(build_ptr->prolog, buffer);
		packstr(build_ptr->prolog_slurmctld, buffer);
		pack16(build_ptr->propagate_prio_process, buffer);
		packstr(build_ptr->propagate_rlimits, buffer);
		packstr(build_ptr->propagate_rlimits_except, buffer);

		packstr(build_ptr->resume_program, buffer);
		pack16(build_ptr->resume_rate, buffer);
		pack16(build_ptr->resume_timeout, buffer);
		pack16(build_ptr->resv_over_run, buffer);
		pack16(build_ptr->ret2service, buffer);

		packstr(build_ptr->salloc_default_command, buffer);
		packstr(build_ptr->sched_params, buffer);
		pack16(build_ptr->schedport, buffer);
		pack16(build_ptr->schedrootfltr, buffer);
		packstr(build_ptr->sched_logfile, buffer);
		pack16(build_ptr->sched_log_level, buffer);
		pack16(build_ptr->sched_time_slice, buffer);
		packstr(build_ptr->schedtype, buffer);
		packstr(build_ptr->select_type, buffer);
		if(build_ptr->select_conf_key_pairs)
			count = list_count(build_ptr->select_conf_key_pairs);

		pack32(count, buffer);
		if(count && count != NO_VAL) {
			ListIterator itr = list_iterator_create(
				(List)build_ptr->select_conf_key_pairs);
			config_key_pair_t *key_pair = NULL;
			while((key_pair = list_next(itr))) {
				pack_config_key_pair(key_pair,
						     protocol_version, buffer);
			}
			list_iterator_destroy(itr);
		}
		count = NO_VAL;

		pack16(build_ptr->select_type_param, buffer);

		packstr(build_ptr->slurm_conf, buffer);
		pack32(build_ptr->slurm_user_id, buffer);
		packstr(build_ptr->slurm_user_name, buffer);
		pack32(build_ptr->slurmd_user_id, buffer);
		packstr(build_ptr->slurmd_user_name, buffer);

		pack16(build_ptr->slurmctld_debug, buffer);
		packstr(build_ptr->slurmctld_logfile, buffer);
		packstr(build_ptr->slurmctld_pidfile, buffer);
		pack32(build_ptr->slurmctld_port, buffer);
		pack16(build_ptr->slurmctld_port_count, buffer);
		pack16(build_ptr->slurmctld_timeout, buffer);

		pack16(build_ptr->slurmd_debug, buffer);
		packstr(build_ptr->slurmd_logfile, buffer);
		packstr(build_ptr->slurmd_pidfile, buffer);
		if(!(cluster_flags & CLUSTER_FLAG_MULTSD))
			pack32(build_ptr->slurmd_port, buffer);

		packstr(build_ptr->slurmd_spooldir, buffer);
		pack16(build_ptr->slurmd_timeout, buffer);
		packstr(build_ptr->srun_epilog, buffer);
		packstr(build_ptr->srun_prolog, buffer);
		packstr(build_ptr->state_save_location, buffer);
		packstr(build_ptr->suspend_exc_nodes, buffer);
		packstr(build_ptr->suspend_exc_parts, buffer);
		packstr(build_ptr->suspend_program, buffer);
		pack16(build_ptr->suspend_rate, buffer);
		pack32(build_ptr->suspend_time, buffer);
		pack16(build_ptr->suspend_timeout, buffer);
		packstr(build_ptr->switch_type, buffer);

		packstr(build_ptr->task_epilog, buffer);
		packstr(build_ptr->task_prolog, buffer);
		packstr(build_ptr->task_plugin, buffer);
		pack16(build_ptr->task_plugin_param, buffer);
		packstr(build_ptr->tmp_fs, buffer);
		packstr(build_ptr->topology_plugin, buffer);
		pack16(build_ptr->track_wckey, buffer);
		pack16(build_ptr->tree_width, buffer);

		pack16(build_ptr->use_pam, buffer);
		packstr(build_ptr->unkillable_program, buffer);
		pack16(build_ptr->unkillable_timeout, buffer);
		packstr(build_ptr->version, buffer);
		pack16(build_ptr->vsize_factor, buffer);

		pack16(build_ptr->wait_time, buffer);

		pack16(build_ptr->z_16, buffer);
		pack32(build_ptr->z_32, buffer);
		packstr(build_ptr->z_char, buffer);
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		pack_time(build_ptr->last_update, buffer);

		pack16(build_ptr->accounting_storage_enforce, buffer);
		packstr(build_ptr->accounting_storage_backup_host, buffer);
		packstr(build_ptr->accounting_storage_host, buffer);
		packstr(build_ptr->accounting_storage_loc, buffer);
		pack32(build_ptr->accounting_storage_port, buffer);
		packstr(build_ptr->accounting_storage_type, buffer);
		packstr(build_ptr->accounting_storage_user, buffer);

		packstr(build_ptr->authtype, buffer);

		packstr(build_ptr->backup_addr, buffer);
		packstr(build_ptr->backup_controller, buffer);
		pack16(build_ptr->batch_start_timeout, buffer);
		pack_time(build_ptr->boot_time, buffer);

		packstr(build_ptr->checkpoint_type, buffer);
		packstr(build_ptr->cluster_name, buffer);
		pack16(build_ptr->complete_wait, buffer);
		packstr(build_ptr->control_addr, buffer);
		packstr(build_ptr->control_machine, buffer);
		packstr(build_ptr->crypto_type, buffer);

		pack32(build_ptr->def_mem_per_cpu, buffer);
		pack32(build_ptr->debug_flags, buffer);
		pack16(build_ptr->disable_root_jobs, buffer);

		pack16(build_ptr->enforce_part_limits, buffer);
		packstr(build_ptr->epilog, buffer);
		pack32(build_ptr->epilog_msg_time, buffer);
		packstr(build_ptr->epilog_slurmctld, buffer);

		pack16(build_ptr->fast_schedule, buffer);
		pack32(build_ptr->first_job_id, buffer);

		pack16(build_ptr->get_env_timeout, buffer);
		packstr(build_ptr->gres_plugins, buffer);
		pack16(build_ptr->group_info, buffer);

		pack32(build_ptr->hash_val, buffer);

		pack16(build_ptr->health_check_interval, buffer);
		packstr(build_ptr->health_check_program, buffer);

		pack16(build_ptr->inactive_limit, buffer);

		pack16(build_ptr->job_acct_gather_freq, buffer);
		packstr(build_ptr->job_acct_gather_type, buffer);

		packstr(build_ptr->job_ckpt_dir, buffer);

		packstr(build_ptr->job_comp_host, buffer);
		packstr(build_ptr->job_comp_loc, buffer);
		pack32((uint32_t)build_ptr->job_comp_port, buffer);
		packstr(build_ptr->job_comp_type, buffer);
		packstr(build_ptr->job_comp_user, buffer);

		packstr(build_ptr->job_credential_private_key, buffer);
		packstr(build_ptr->job_credential_public_certificate, buffer);
		pack16(build_ptr->job_file_append, buffer);
		pack16(build_ptr->job_requeue, buffer);
		packstr(build_ptr->job_submit_plugins, buffer);

		pack16(build_ptr->kill_on_bad_exit, buffer);
		pack16(build_ptr->kill_wait, buffer);

		packstr(build_ptr->licenses, buffer);

		packstr(build_ptr->mail_prog, buffer);
		pack32(build_ptr->max_job_cnt, buffer);
		pack32(build_ptr->max_mem_per_cpu, buffer);
		pack16(build_ptr->max_tasks_per_node, buffer);
		pack16(build_ptr->min_job_age, buffer);
		packstr(build_ptr->mpi_default, buffer);
		packstr(build_ptr->mpi_params, buffer);
		pack16(build_ptr->msg_timeout, buffer);

		pack32(build_ptr->next_job_id, buffer);
		packstr(build_ptr->node_prefix, buffer);

		pack16(build_ptr->over_time_limit, buffer);

		packstr(build_ptr->plugindir, buffer);
		packstr(build_ptr->plugstack, buffer);
		pack16(build_ptr->preempt_mode, buffer);
		packstr(build_ptr->preempt_type, buffer);

		pack32(build_ptr->priority_decay_hl, buffer);
		pack32(build_ptr->priority_calc_period, buffer);
		pack16(build_ptr->priority_favor_small, buffer);
		pack32(build_ptr->priority_max_age, buffer);
		pack16(build_ptr->priority_reset_period, buffer);
		packstr(build_ptr->priority_type, buffer);
		pack32(build_ptr->priority_weight_age, buffer);
		pack32(build_ptr->priority_weight_fs, buffer);
		pack32(build_ptr->priority_weight_js, buffer);
		pack32(build_ptr->priority_weight_part, buffer);
		pack32(build_ptr->priority_weight_qos, buffer);

		pack16(build_ptr->private_data, buffer);
		packstr(build_ptr->proctrack_type, buffer);
		packstr(build_ptr->prolog, buffer);
		packstr(build_ptr->prolog_slurmctld, buffer);
		pack16(build_ptr->propagate_prio_process, buffer);
		packstr(build_ptr->propagate_rlimits, buffer);
		packstr(build_ptr->propagate_rlimits_except, buffer);

		packstr(build_ptr->resume_program, buffer);
		pack16(build_ptr->resume_rate, buffer);
		pack16(build_ptr->resume_timeout, buffer);
		pack16(build_ptr->resv_over_run, buffer);
		pack16(build_ptr->ret2service, buffer);

		packstr(build_ptr->salloc_default_command, buffer);
		packstr(build_ptr->sched_params, buffer);
		pack16(build_ptr->schedport, buffer);
		pack16(build_ptr->schedrootfltr, buffer);
		packstr(build_ptr->sched_logfile, buffer);
		pack16(build_ptr->sched_log_level, buffer);
		pack16(build_ptr->sched_time_slice, buffer);
		packstr(build_ptr->schedtype, buffer);
		packstr(build_ptr->select_type, buffer);
		if(build_ptr->select_conf_key_pairs)
			count = list_count(build_ptr->select_conf_key_pairs);

		pack32(count, buffer);
		if(count && count != NO_VAL) {
			ListIterator itr = list_iterator_create(
				(List)build_ptr->select_conf_key_pairs);
			config_key_pair_t *key_pair = NULL;
			while((key_pair = list_next(itr))) {
				pack_config_key_pair(key_pair,
						     protocol_version, buffer);
			}
			list_iterator_destroy(itr);
		}
		count = NO_VAL;

		pack16(build_ptr->select_type_param, buffer);

		packstr(build_ptr->slurm_conf, buffer);
		pack32(build_ptr->slurm_user_id, buffer);
		packstr(build_ptr->slurm_user_name, buffer);
		pack32(build_ptr->slurmd_user_id, buffer);
		packstr(build_ptr->slurmd_user_name, buffer);

		pack16(build_ptr->slurmctld_debug, buffer);
		packstr(build_ptr->slurmctld_logfile, buffer);
		packstr(build_ptr->slurmctld_pidfile, buffer);
		pack32(build_ptr->slurmctld_port, buffer);
		pack16(build_ptr->slurmctld_port_count, buffer);
		pack16(build_ptr->slurmctld_timeout, buffer);

		pack16(build_ptr->slurmd_debug, buffer);
		packstr(build_ptr->slurmd_logfile, buffer);
		packstr(build_ptr->slurmd_pidfile, buffer);
		if(!(cluster_flags & CLUSTER_FLAG_MULTSD))
			pack32(build_ptr->slurmd_port, buffer);

		packstr(build_ptr->slurmd_spooldir, buffer);
		pack16(build_ptr->slurmd_timeout, buffer);
		packstr(build_ptr->srun_epilog, buffer);
		packstr(build_ptr->srun_prolog, buffer);
		packstr(build_ptr->state_save_location, buffer);
		packstr(build_ptr->suspend_exc_nodes, buffer);
		packstr(build_ptr->suspend_exc_parts, buffer);
		packstr(build_ptr->suspend_program, buffer);
		pack16(build_ptr->suspend_rate, buffer);
		pack32(build_ptr->suspend_time, buffer);
		pack16(build_ptr->suspend_timeout, buffer);
		packstr(build_ptr->switch_type, buffer);

		packstr(build_ptr->task_epilog, buffer);
		packstr(build_ptr->task_prolog, buffer);
		packstr(build_ptr->task_plugin, buffer);
		pack16(build_ptr->task_plugin_param, buffer);
		packstr(build_ptr->tmp_fs, buffer);
		packstr(build_ptr->topology_plugin, buffer);
		pack16(build_ptr->track_wckey, buffer);
		pack16(build_ptr->tree_width, buffer);

		pack16(build_ptr->use_pam, buffer);
		packstr(build_ptr->unkillable_program, buffer);
		pack16(build_ptr->unkillable_timeout, buffer);
		packstr(build_ptr->version, buffer);
		pack16(build_ptr->vsize_factor, buffer);

		pack16(build_ptr->wait_time, buffer);

		pack16(build_ptr->z_16, buffer);
		pack32(build_ptr->z_32, buffer);
		packstr(build_ptr->z_char, buffer);
	} else if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		pack_time(build_ptr->last_update, buffer);

		pack16(build_ptr->accounting_storage_enforce, buffer);
		packstr(build_ptr->accounting_storage_backup_host, buffer);
		packstr(build_ptr->accounting_storage_host, buffer);
		packstr(build_ptr->accounting_storage_loc, buffer);
		packstr("", buffer);
		pack32(build_ptr->accounting_storage_port, buffer);
		packstr(build_ptr->accounting_storage_type, buffer);
		packstr(build_ptr->accounting_storage_user, buffer);

		packstr(build_ptr->authtype, buffer);

		packstr(build_ptr->backup_addr, buffer);
		packstr(build_ptr->backup_controller, buffer);
		pack16(build_ptr->batch_start_timeout, buffer);
		pack_time(build_ptr->boot_time, buffer);

		if (build_ptr->group_info & GROUP_CACHE)
			uint16_tmp = 1;
		else
			uint16_tmp = 0;
		pack16(uint16_tmp, buffer);	/* cache_groups equivalent */
		packstr(build_ptr->checkpoint_type, buffer);
		packstr(build_ptr->cluster_name, buffer);
		pack16(build_ptr->complete_wait, buffer);
		packstr(build_ptr->control_addr, buffer);
		packstr(build_ptr->control_machine, buffer);
		packstr(build_ptr->crypto_type, buffer);

		pack32(build_ptr->def_mem_per_cpu, buffer);
		pack32(build_ptr->debug_flags, buffer);
		pack16(build_ptr->disable_root_jobs, buffer);

		packstr(build_ptr->epilog, buffer);
		pack32(build_ptr->epilog_msg_time, buffer);
		packstr(build_ptr->epilog_slurmctld, buffer);

		pack16(build_ptr->fast_schedule, buffer);
		pack32(build_ptr->first_job_id, buffer);

		pack16(build_ptr->get_env_timeout, buffer);

		pack16(build_ptr->health_check_interval, buffer);
		packstr(build_ptr->health_check_program, buffer);

		pack16(build_ptr->inactive_limit, buffer);

		pack16(build_ptr->job_acct_gather_freq, buffer);
		packstr(build_ptr->job_acct_gather_type, buffer);

		packstr(build_ptr->job_ckpt_dir, buffer);

		packstr(build_ptr->job_comp_host, buffer);
		packstr(build_ptr->job_comp_loc, buffer);
		packstr("", buffer);
		pack32((uint32_t)build_ptr->job_comp_port, buffer);
		packstr(build_ptr->job_comp_type, buffer);
		packstr(build_ptr->job_comp_user, buffer);

		packstr(build_ptr->job_credential_private_key, buffer);
		packstr(build_ptr->job_credential_public_certificate, buffer);
		pack16(build_ptr->job_file_append, buffer);
		pack16(build_ptr->job_requeue, buffer);

		pack16(build_ptr->kill_on_bad_exit, buffer);
		pack16(build_ptr->kill_wait, buffer);

		packstr(build_ptr->licenses, buffer);

		packstr(build_ptr->mail_prog, buffer);
		pack16(build_ptr->max_job_cnt, buffer);
		pack32(build_ptr->max_mem_per_cpu, buffer);
		pack16(build_ptr->max_tasks_per_node, buffer);
		pack16(build_ptr->min_job_age, buffer);
		packstr(build_ptr->mpi_default, buffer);
		packstr(build_ptr->mpi_params, buffer);
		pack16(build_ptr->msg_timeout, buffer);

		pack32(build_ptr->next_job_id, buffer);
		packstr(build_ptr->node_prefix, buffer);

		pack16(build_ptr->over_time_limit, buffer);

		packstr(build_ptr->plugindir, buffer);
		packstr(build_ptr->plugstack, buffer);
		pack16(build_ptr->preempt_mode, buffer);
		packstr(build_ptr->preempt_type, buffer);

		pack32(build_ptr->priority_decay_hl, buffer);
		pack32(build_ptr->priority_calc_period, buffer);
		pack16(build_ptr->priority_favor_small, buffer);
		pack32(build_ptr->priority_max_age, buffer);
		pack16(build_ptr->priority_reset_period, buffer);
		packstr(build_ptr->priority_type, buffer);
		pack32(build_ptr->priority_weight_age, buffer);
		pack32(build_ptr->priority_weight_fs, buffer);
		pack32(build_ptr->priority_weight_js, buffer);
		pack32(build_ptr->priority_weight_part, buffer);
		pack32(build_ptr->priority_weight_qos, buffer);

		pack16(build_ptr->private_data, buffer);
		packstr(build_ptr->proctrack_type, buffer);
		packstr(build_ptr->prolog, buffer);
		packstr(build_ptr->prolog_slurmctld, buffer);
		pack16(build_ptr->propagate_prio_process, buffer);
		packstr(build_ptr->propagate_rlimits, buffer);
		packstr(build_ptr->propagate_rlimits_except, buffer);

		packstr(build_ptr->resume_program, buffer);
		pack16(build_ptr->resume_rate, buffer);
		pack16(build_ptr->resume_timeout, buffer);
		pack16(build_ptr->resv_over_run, buffer);
		pack16(build_ptr->ret2service, buffer);

		packstr(build_ptr->salloc_default_command, buffer);
		packstr(build_ptr->sched_params, buffer);
		pack16(build_ptr->schedport, buffer);
		pack16(build_ptr->schedrootfltr, buffer);
		pack16(build_ptr->sched_time_slice, buffer);
		packstr(build_ptr->schedtype, buffer);
		packstr(build_ptr->select_type, buffer);
		if(build_ptr->select_conf_key_pairs)
			count = list_count(build_ptr->select_conf_key_pairs);

		pack32(count, buffer);
		if(count && count != NO_VAL) {
			ListIterator itr = list_iterator_create(
				(List)build_ptr->select_conf_key_pairs);
			config_key_pair_t *key_pair = NULL;
			while((key_pair = list_next(itr))) {
				pack_config_key_pair(key_pair,
						     protocol_version, buffer);
			}
			list_iterator_destroy(itr);
		}
		count = NO_VAL;

		pack16(build_ptr->select_type_param, buffer);

		packstr(build_ptr->slurm_conf, buffer);
		pack32(build_ptr->slurm_user_id, buffer);
		packstr(build_ptr->slurm_user_name, buffer);
		pack32(build_ptr->slurmd_user_id, buffer);
		packstr(build_ptr->slurmd_user_name, buffer);

		pack16(build_ptr->slurmctld_debug, buffer);
		packstr(build_ptr->slurmctld_logfile, buffer);
		packstr(build_ptr->slurmctld_pidfile, buffer);
		pack32(build_ptr->slurmctld_port, buffer);
		pack16(build_ptr->slurmctld_timeout, buffer);

		pack16(build_ptr->slurmd_debug, buffer);
		packstr(build_ptr->slurmd_logfile, buffer);
		packstr(build_ptr->slurmd_pidfile, buffer);
#ifndef MULTIPLE_SLURMD
		pack32(build_ptr->slurmd_port, buffer);
#endif
		packstr(build_ptr->slurmd_spooldir, buffer);
		pack16(build_ptr->slurmd_timeout, buffer);

		packstr(build_ptr->srun_epilog, buffer);
		packstr(build_ptr->srun_prolog, buffer);
		packstr(build_ptr->state_save_location, buffer);
		packstr(build_ptr->suspend_exc_nodes, buffer);
		packstr(build_ptr->suspend_exc_parts, buffer);
		packstr(build_ptr->suspend_program, buffer);
		pack16(build_ptr->suspend_rate, buffer);
		pack32(build_ptr->suspend_time, buffer);
		pack16(build_ptr->suspend_timeout, buffer);
		packstr(build_ptr->switch_type, buffer);

		packstr(build_ptr->task_epilog, buffer);
		packstr(build_ptr->task_prolog, buffer);
		packstr(build_ptr->task_plugin, buffer);
		pack16(build_ptr->task_plugin_param, buffer);
		packstr(build_ptr->tmp_fs, buffer);
		packstr(build_ptr->topology_plugin, buffer);
		pack16(build_ptr->track_wckey, buffer);
		pack16(build_ptr->tree_width, buffer);

		pack16(build_ptr->use_pam, buffer);
		packstr(build_ptr->unkillable_program, buffer);
		pack16(build_ptr->unkillable_timeout, buffer);
		packstr(build_ptr->version, buffer);

		pack16(build_ptr->wait_time, buffer);

		pack16(build_ptr->z_16, buffer);
		pack32(build_ptr->z_32, buffer);
		packstr(build_ptr->z_char, buffer);
	}
}

static int
_unpack_slurm_ctl_conf_msg(slurm_ctl_conf_info_msg_t **build_buffer_ptr,
			   Buf buffer, uint16_t protocol_version)
{
	uint32_t count = NO_VAL;
	uint32_t uint32_tmp;
	uint16_t uint16_tmp;
	slurm_ctl_conf_info_msg_t *build_ptr;
	uint32_t cluster_flags = slurmdb_setup_cluster_flags();

	/* alloc memory for structure */
	build_ptr = xmalloc(sizeof(slurm_ctl_conf_t));
	*build_buffer_ptr = build_ptr;

	/* initialize this so we don't check for those not sending it */
	build_ptr->hash_val = NO_VAL;

	/* load the data values */
	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		/* unpack timestamp of snapshot */
		safe_unpack_time(&build_ptr->last_update, buffer);

		safe_unpack16(&build_ptr->accounting_storage_enforce, buffer);
		safe_unpackstr_xmalloc(
			&build_ptr->accounting_storage_backup_host,
			&uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_host,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_loc,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->accounting_storage_port, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_user,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->acctng_store_job_comment, buffer);

		safe_unpackstr_xmalloc(&build_ptr->authtype,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->backup_addr,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->backup_controller,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->batch_start_timeout, buffer);
		safe_unpack_time(&build_ptr->boot_time, buffer);

		safe_unpackstr_xmalloc(&build_ptr->checkpoint_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->cluster_name,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->complete_wait, buffer);
		safe_unpackstr_xmalloc(&build_ptr->control_addr,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->control_machine,
				       &uint32_tmp,buffer);
		safe_unpackstr_xmalloc(&build_ptr->crypto_type, &uint32_tmp,
				       buffer);

		safe_unpack32(&build_ptr->def_mem_per_cpu, buffer);
		safe_unpack32(&build_ptr->debug_flags, buffer);
		safe_unpack16(&build_ptr->disable_root_jobs, buffer);

		safe_unpack16(&build_ptr->enforce_part_limits, buffer);
		safe_unpackstr_xmalloc(&build_ptr->epilog, &uint32_tmp,
				       buffer);
		safe_unpack32(&build_ptr->epilog_msg_time, buffer);
		safe_unpackstr_xmalloc(&build_ptr->epilog_slurmctld,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->fast_schedule, buffer);
		safe_unpack32(&build_ptr->first_job_id, buffer);

		safe_unpack16(&build_ptr->get_env_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->gres_plugins,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->group_info, buffer);

		safe_unpack32(&build_ptr->hash_val, buffer);

		safe_unpack16(&build_ptr->health_check_interval, buffer);
		safe_unpackstr_xmalloc(&build_ptr->health_check_program,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->inactive_limit, buffer);

		safe_unpack16(&build_ptr->job_acct_gather_freq, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_acct_gather_type,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_ckpt_dir,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_comp_host,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_loc,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->job_comp_port, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_user,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_credential_private_key,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->
				       job_credential_public_certificate,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->job_file_append, buffer);
		safe_unpack16(&build_ptr->job_requeue, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_submit_plugins,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->kill_on_bad_exit, buffer);
		safe_unpack16(&build_ptr->kill_wait, buffer);

		safe_unpackstr_xmalloc(&build_ptr->licenses,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->mail_prog,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->max_job_cnt, buffer);
		safe_unpack32(&build_ptr->max_job_id, buffer);
		safe_unpack32(&build_ptr->max_mem_per_cpu, buffer);
		safe_unpack32(&build_ptr->max_step_cnt, buffer);
		safe_unpack16(&build_ptr->max_tasks_per_node, buffer);
		safe_unpack16(&build_ptr->min_job_age, buffer);
		safe_unpackstr_xmalloc(&build_ptr->mpi_default,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->mpi_params,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->msg_timeout, buffer);

		safe_unpack32(&build_ptr->next_job_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->node_prefix,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->over_time_limit, buffer);

		safe_unpackstr_xmalloc(&build_ptr->plugindir,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->plugstack,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->preempt_mode, buffer);
		safe_unpackstr_xmalloc(&build_ptr->preempt_type,
				       &uint32_tmp, buffer);

		safe_unpack32(&build_ptr->priority_decay_hl, buffer);
		safe_unpack32(&build_ptr->priority_calc_period, buffer);
		safe_unpack16(&build_ptr->priority_favor_small, buffer);
		safe_unpack16(&build_ptr->priority_flags, buffer);
		safe_unpack32(&build_ptr->priority_max_age, buffer);
		safe_unpack16(&build_ptr->priority_reset_period, buffer);
		safe_unpackstr_xmalloc(&build_ptr->priority_type, &uint32_tmp,
				       buffer);
		safe_unpack32(&build_ptr->priority_weight_age, buffer);
		safe_unpack32(&build_ptr->priority_weight_fs, buffer);
		safe_unpack32(&build_ptr->priority_weight_js, buffer);
		safe_unpack32(&build_ptr->priority_weight_part, buffer);
		safe_unpack32(&build_ptr->priority_weight_qos, buffer);

		safe_unpack16(&build_ptr->private_data, buffer);
		safe_unpackstr_xmalloc(&build_ptr->proctrack_type, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->prolog, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->prolog_slurmctld,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->propagate_prio_process, buffer);
		safe_unpackstr_xmalloc(&build_ptr->propagate_rlimits,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->propagate_rlimits_except,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->reboot_program, &uint32_tmp,
				       buffer);
		safe_unpack16(&build_ptr->reconfig_flags, buffer);
		safe_unpackstr_xmalloc(&build_ptr->resume_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->resume_rate, buffer);
		safe_unpack16(&build_ptr->resume_timeout, buffer);
		safe_unpack16(&build_ptr->resv_over_run, buffer);
		safe_unpack16(&build_ptr->ret2service, buffer);

		safe_unpackstr_xmalloc(&build_ptr->salloc_default_command,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->sched_params,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->schedport, buffer);
		safe_unpack16(&build_ptr->schedrootfltr, buffer);
		safe_unpackstr_xmalloc(&build_ptr->sched_logfile,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->sched_log_level, buffer);
		safe_unpack16(&build_ptr->sched_time_slice, buffer);
		safe_unpackstr_xmalloc(&build_ptr->schedtype,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->select_type,
				       &uint32_tmp, buffer);
		safe_unpack32(&count, buffer);
		if (count != NO_VAL) {
			List tmp_list = list_create(destroy_config_key_pair);
			config_key_pair_t *object = NULL;
			int i;
			for (i=0; i<count; i++) {
				if (unpack_config_key_pair(
					(void *)&object, protocol_version,
					buffer)
				    == SLURM_ERROR)
					goto unpack_error;
				list_append(tmp_list, object);
			}
			build_ptr->select_conf_key_pairs = (void *)tmp_list;
		}

		safe_unpack16(&build_ptr->select_type_param, buffer);

		safe_unpackstr_xmalloc(&build_ptr->slurm_conf,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurm_user_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurm_user_name,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurmd_user_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_user_name,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->slurmctld_debug, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmctld_logfile,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmctld_pidfile,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurmctld_port, buffer);
		safe_unpack16(&build_ptr->slurmctld_port_count, buffer);
		safe_unpack16(&build_ptr->slurmctld_timeout, buffer);

		safe_unpack16(&build_ptr->slurmd_debug, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_logfile, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_pidfile, &uint32_tmp,
				       buffer);
		if (!(cluster_flags & CLUSTER_FLAG_MULTSD))
			safe_unpack32(&build_ptr->slurmd_port, buffer);

		safe_unpackstr_xmalloc(&build_ptr->slurmd_spooldir,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->slurmd_timeout, buffer);

		safe_unpackstr_xmalloc(&build_ptr->srun_epilog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->srun_prolog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->state_save_location,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_exc_nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_exc_parts,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->suspend_rate, buffer);
		safe_unpack32(&build_ptr->suspend_time, buffer);
		safe_unpack16(&build_ptr->suspend_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->switch_type,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->task_epilog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->task_prolog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->task_plugin,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->task_plugin_param, buffer);
		safe_unpackstr_xmalloc(&build_ptr->tmp_fs, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->topology_plugin,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->track_wckey, buffer);
		safe_unpack16(&build_ptr->tree_width, buffer);

		safe_unpack16(&build_ptr->use_pam, buffer);
		safe_unpackstr_xmalloc(&build_ptr->unkillable_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->unkillable_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->version,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->vsize_factor, buffer);

		safe_unpack16(&build_ptr->wait_time, buffer);

		safe_unpack16(&build_ptr->z_16, buffer);
		safe_unpack32(&build_ptr->z_32, buffer);
		safe_unpackstr_xmalloc(&build_ptr->z_char, &uint32_tmp,
				       buffer);
	} else if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		/* unpack timestamp of snapshot */
		safe_unpack_time(&build_ptr->last_update, buffer);

		safe_unpack16(&build_ptr->accounting_storage_enforce, buffer);
		safe_unpackstr_xmalloc(
			&build_ptr->accounting_storage_backup_host,
			&uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_host,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_loc,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->accounting_storage_port, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_user,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->acctng_store_job_comment, buffer);

		safe_unpackstr_xmalloc(&build_ptr->authtype,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->backup_addr,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->backup_controller,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->batch_start_timeout, buffer);
		safe_unpack_time(&build_ptr->boot_time, buffer);

		safe_unpackstr_xmalloc(&build_ptr->checkpoint_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->cluster_name,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->complete_wait, buffer);
		safe_unpackstr_xmalloc(&build_ptr->control_addr,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->control_machine,
				       &uint32_tmp,buffer);
		safe_unpackstr_xmalloc(&build_ptr->crypto_type, &uint32_tmp,
				       buffer);

		safe_unpack32(&build_ptr->def_mem_per_cpu, buffer);
		safe_unpack32(&build_ptr->debug_flags, buffer);
		safe_unpack16(&build_ptr->disable_root_jobs, buffer);

		safe_unpack16(&build_ptr->enforce_part_limits, buffer);
		safe_unpackstr_xmalloc(&build_ptr->epilog, &uint32_tmp,
				       buffer);
		safe_unpack32(&build_ptr->epilog_msg_time, buffer);
		safe_unpackstr_xmalloc(&build_ptr->epilog_slurmctld,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->fast_schedule, buffer);
		safe_unpack32(&build_ptr->first_job_id, buffer);

		safe_unpack16(&build_ptr->get_env_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->gres_plugins,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->group_info, buffer);

		safe_unpack32(&build_ptr->hash_val, buffer);

		safe_unpack16(&build_ptr->health_check_interval, buffer);
		safe_unpackstr_xmalloc(&build_ptr->health_check_program,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->inactive_limit, buffer);

		safe_unpack16(&build_ptr->job_acct_gather_freq, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_acct_gather_type,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_ckpt_dir,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_comp_host,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_loc,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->job_comp_port, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_user,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_credential_private_key,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->
				       job_credential_public_certificate,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->job_file_append, buffer);
		safe_unpack16(&build_ptr->job_requeue, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_submit_plugins,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->kill_on_bad_exit, buffer);
		safe_unpack16(&build_ptr->kill_wait, buffer);

		safe_unpackstr_xmalloc(&build_ptr->licenses,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->mail_prog,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->max_job_cnt, buffer);
		safe_unpack32(&build_ptr->max_job_id, buffer);
		safe_unpack32(&build_ptr->max_mem_per_cpu, buffer);
		safe_unpack32(&build_ptr->max_step_cnt, buffer);
		safe_unpack16(&build_ptr->max_tasks_per_node, buffer);
		safe_unpack16(&build_ptr->min_job_age, buffer);
		safe_unpackstr_xmalloc(&build_ptr->mpi_default,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->mpi_params,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->msg_timeout, buffer);

		safe_unpack32(&build_ptr->next_job_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->node_prefix,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->over_time_limit, buffer);

		safe_unpackstr_xmalloc(&build_ptr->plugindir,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->plugstack,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->preempt_mode, buffer);
		safe_unpackstr_xmalloc(&build_ptr->preempt_type,
				       &uint32_tmp, buffer);

		safe_unpack32(&build_ptr->priority_decay_hl, buffer);
		safe_unpack32(&build_ptr->priority_calc_period, buffer);
		safe_unpack16(&build_ptr->priority_favor_small, buffer);
		safe_unpack32(&build_ptr->priority_max_age, buffer);
		safe_unpack16(&build_ptr->priority_reset_period, buffer);
		safe_unpackstr_xmalloc(&build_ptr->priority_type, &uint32_tmp,
				       buffer);
		safe_unpack32(&build_ptr->priority_weight_age, buffer);
		safe_unpack32(&build_ptr->priority_weight_fs, buffer);
		safe_unpack32(&build_ptr->priority_weight_js, buffer);
		safe_unpack32(&build_ptr->priority_weight_part, buffer);
		safe_unpack32(&build_ptr->priority_weight_qos, buffer);

		safe_unpack16(&build_ptr->private_data, buffer);
		safe_unpackstr_xmalloc(&build_ptr->proctrack_type, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->prolog, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->prolog_slurmctld,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->propagate_prio_process, buffer);
		safe_unpackstr_xmalloc(&build_ptr->propagate_rlimits,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->propagate_rlimits_except,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->resume_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->resume_rate, buffer);
		safe_unpack16(&build_ptr->resume_timeout, buffer);
		safe_unpack16(&build_ptr->resv_over_run, buffer);
		safe_unpack16(&build_ptr->ret2service, buffer);

		safe_unpackstr_xmalloc(&build_ptr->salloc_default_command,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->sched_params,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->schedport, buffer);
		safe_unpack16(&build_ptr->schedrootfltr, buffer);
		safe_unpackstr_xmalloc(&build_ptr->sched_logfile,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->sched_log_level, buffer);
		safe_unpack16(&build_ptr->sched_time_slice, buffer);
		safe_unpackstr_xmalloc(&build_ptr->schedtype,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->select_type,
				       &uint32_tmp, buffer);
		safe_unpack32(&count, buffer);
		if (count != NO_VAL) {
			List tmp_list = list_create(destroy_config_key_pair);
			config_key_pair_t *object = NULL;
			int i;
			for(i=0; i<count; i++) {
				if(unpack_config_key_pair(
					   (void *)&object, protocol_version,
					   buffer)
				   == SLURM_ERROR)
					goto unpack_error;
				list_append(tmp_list, object);
			}
			build_ptr->select_conf_key_pairs = (void *)tmp_list;
		}

		safe_unpack16(&build_ptr->select_type_param, buffer);

		safe_unpackstr_xmalloc(&build_ptr->slurm_conf,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurm_user_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurm_user_name,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurmd_user_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_user_name,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->slurmctld_debug, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmctld_logfile,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmctld_pidfile,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurmctld_port, buffer);
		safe_unpack16(&build_ptr->slurmctld_port_count, buffer);
		safe_unpack16(&build_ptr->slurmctld_timeout, buffer);

		safe_unpack16(&build_ptr->slurmd_debug, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_logfile, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_pidfile, &uint32_tmp,
				       buffer);
		if (!(cluster_flags & CLUSTER_FLAG_MULTSD))
			safe_unpack32(&build_ptr->slurmd_port, buffer);

		safe_unpackstr_xmalloc(&build_ptr->slurmd_spooldir,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->slurmd_timeout, buffer);

		safe_unpackstr_xmalloc(&build_ptr->srun_epilog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->srun_prolog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->state_save_location,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_exc_nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_exc_parts,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->suspend_rate, buffer);
		safe_unpack32(&build_ptr->suspend_time, buffer);
		safe_unpack16(&build_ptr->suspend_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->switch_type,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->task_epilog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->task_prolog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->task_plugin,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->task_plugin_param, buffer);
		safe_unpackstr_xmalloc(&build_ptr->tmp_fs, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->topology_plugin,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->track_wckey, buffer);
		safe_unpack16(&build_ptr->tree_width, buffer);

		safe_unpack16(&build_ptr->use_pam, buffer);
		safe_unpackstr_xmalloc(&build_ptr->unkillable_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->unkillable_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->version,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->vsize_factor, buffer);

		safe_unpack16(&build_ptr->wait_time, buffer);

		safe_unpack16(&build_ptr->z_16, buffer);
		safe_unpack32(&build_ptr->z_32, buffer);
		safe_unpackstr_xmalloc(&build_ptr->z_char, &uint32_tmp,
				       buffer);
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		/* unpack timestamp of snapshot */
		safe_unpack_time(&build_ptr->last_update, buffer);

		safe_unpack16(&build_ptr->accounting_storage_enforce, buffer);
		safe_unpackstr_xmalloc(
			&build_ptr->accounting_storage_backup_host,
			&uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_host,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_loc,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->accounting_storage_port, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_user,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->authtype,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->backup_addr,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->backup_controller,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->batch_start_timeout, buffer);
		safe_unpack_time(&build_ptr->boot_time, buffer);

		safe_unpackstr_xmalloc(&build_ptr->checkpoint_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->cluster_name,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->complete_wait, buffer);
		safe_unpackstr_xmalloc(&build_ptr->control_addr,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->control_machine,
				       &uint32_tmp,buffer);
		safe_unpackstr_xmalloc(&build_ptr->crypto_type, &uint32_tmp,
				       buffer);

		safe_unpack32(&build_ptr->def_mem_per_cpu, buffer);
		safe_unpack32(&build_ptr->debug_flags, buffer);
		safe_unpack16(&build_ptr->disable_root_jobs, buffer);

		safe_unpack16(&build_ptr->enforce_part_limits, buffer);
		safe_unpackstr_xmalloc(&build_ptr->epilog, &uint32_tmp,
				       buffer);
		safe_unpack32(&build_ptr->epilog_msg_time, buffer);
		safe_unpackstr_xmalloc(&build_ptr->epilog_slurmctld,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->fast_schedule, buffer);
		safe_unpack32(&build_ptr->first_job_id, buffer);

		safe_unpack16(&build_ptr->get_env_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->gres_plugins,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->group_info, buffer);

		safe_unpack32(&build_ptr->hash_val, buffer);

		safe_unpack16(&build_ptr->health_check_interval, buffer);
		safe_unpackstr_xmalloc(&build_ptr->health_check_program,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->inactive_limit, buffer);

		safe_unpack16(&build_ptr->job_acct_gather_freq, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_acct_gather_type,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_ckpt_dir,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_comp_host,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_loc,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->job_comp_port, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_user,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_credential_private_key,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->
				       job_credential_public_certificate,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->job_file_append, buffer);
		safe_unpack16(&build_ptr->job_requeue, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_submit_plugins,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->kill_on_bad_exit, buffer);
		safe_unpack16(&build_ptr->kill_wait, buffer);

		safe_unpackstr_xmalloc(&build_ptr->licenses,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->mail_prog,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->max_job_cnt, buffer);
		build_ptr->max_job_id = DEFAULT_MAX_JOB_ID;
		safe_unpack32(&build_ptr->max_mem_per_cpu, buffer);
		build_ptr->max_step_cnt = DEFAULT_MAX_STEP_COUNT;
		safe_unpack16(&build_ptr->max_tasks_per_node, buffer);
		safe_unpack16(&build_ptr->min_job_age, buffer);
		safe_unpackstr_xmalloc(&build_ptr->mpi_default,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->mpi_params,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->msg_timeout, buffer);

		safe_unpack32(&build_ptr->next_job_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->node_prefix,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->over_time_limit, buffer);

		safe_unpackstr_xmalloc(&build_ptr->plugindir,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->plugstack,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->preempt_mode, buffer);
		safe_unpackstr_xmalloc(&build_ptr->preempt_type,
				       &uint32_tmp, buffer);

		safe_unpack32(&build_ptr->priority_decay_hl, buffer);
		safe_unpack32(&build_ptr->priority_calc_period, buffer);
		safe_unpack16(&build_ptr->priority_favor_small, buffer);
		safe_unpack32(&build_ptr->priority_max_age, buffer);
		safe_unpack16(&build_ptr->priority_reset_period, buffer);
		safe_unpackstr_xmalloc(&build_ptr->priority_type, &uint32_tmp,
				       buffer);
		safe_unpack32(&build_ptr->priority_weight_age, buffer);
		safe_unpack32(&build_ptr->priority_weight_fs, buffer);
		safe_unpack32(&build_ptr->priority_weight_js, buffer);
		safe_unpack32(&build_ptr->priority_weight_part, buffer);
		safe_unpack32(&build_ptr->priority_weight_qos, buffer);

		safe_unpack16(&build_ptr->private_data, buffer);
		safe_unpackstr_xmalloc(&build_ptr->proctrack_type, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->prolog, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->prolog_slurmctld,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->propagate_prio_process, buffer);
		safe_unpackstr_xmalloc(&build_ptr->propagate_rlimits,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->propagate_rlimits_except,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->resume_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->resume_rate, buffer);
		safe_unpack16(&build_ptr->resume_timeout, buffer);
		safe_unpack16(&build_ptr->resv_over_run, buffer);
		safe_unpack16(&build_ptr->ret2service, buffer);

		safe_unpackstr_xmalloc(&build_ptr->salloc_default_command,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->sched_params,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->schedport, buffer);
		safe_unpack16(&build_ptr->schedrootfltr, buffer);
		safe_unpackstr_xmalloc(&build_ptr->sched_logfile,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->sched_log_level, buffer);
		safe_unpack16(&build_ptr->sched_time_slice, buffer);
		safe_unpackstr_xmalloc(&build_ptr->schedtype,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->select_type,
				       &uint32_tmp, buffer);
		safe_unpack32(&count, buffer);
		if (count != NO_VAL) {
			List tmp_list = list_create(destroy_config_key_pair);
			config_key_pair_t *object = NULL;
			int i;
			for(i=0; i<count; i++) {
				if(unpack_config_key_pair(
					   (void *)&object, protocol_version,
					   buffer)
				   == SLURM_ERROR)
					goto unpack_error;
				list_append(tmp_list, object);
			}
			build_ptr->select_conf_key_pairs = (void *)tmp_list;
		}

		safe_unpack16(&build_ptr->select_type_param, buffer);

		safe_unpackstr_xmalloc(&build_ptr->slurm_conf,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurm_user_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurm_user_name,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurmd_user_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_user_name,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->slurmctld_debug, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmctld_logfile,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmctld_pidfile,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurmctld_port, buffer);
		safe_unpack16(&build_ptr->slurmctld_port_count, buffer);
		safe_unpack16(&build_ptr->slurmctld_timeout, buffer);

		safe_unpack16(&build_ptr->slurmd_debug, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_logfile, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_pidfile, &uint32_tmp,
				       buffer);
		if (!(cluster_flags & CLUSTER_FLAG_MULTSD))
			safe_unpack32(&build_ptr->slurmd_port, buffer);

		safe_unpackstr_xmalloc(&build_ptr->slurmd_spooldir,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->slurmd_timeout, buffer);

		safe_unpackstr_xmalloc(&build_ptr->srun_epilog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->srun_prolog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->state_save_location,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_exc_nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_exc_parts,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->suspend_rate, buffer);
		safe_unpack32(&build_ptr->suspend_time, buffer);
		safe_unpack16(&build_ptr->suspend_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->switch_type,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->task_epilog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->task_prolog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->task_plugin,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->task_plugin_param, buffer);
		safe_unpackstr_xmalloc(&build_ptr->tmp_fs, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->topology_plugin,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->track_wckey, buffer);
		safe_unpack16(&build_ptr->tree_width, buffer);

		safe_unpack16(&build_ptr->use_pam, buffer);
		safe_unpackstr_xmalloc(&build_ptr->unkillable_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->unkillable_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->version,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->vsize_factor, buffer);

		safe_unpack16(&build_ptr->wait_time, buffer);

		safe_unpack16(&build_ptr->z_16, buffer);
		safe_unpack32(&build_ptr->z_32, buffer);
		safe_unpackstr_xmalloc(&build_ptr->z_char, &uint32_tmp,
				       buffer);
	} else if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		uint16_t max_job_cnt;
		char *tmp_str = NULL;
		/* unpack timestamp of snapshot */
		safe_unpack_time(&build_ptr->last_update, buffer);

		safe_unpack16(&build_ptr->accounting_storage_enforce, buffer);
		safe_unpackstr_xmalloc(
			&build_ptr->accounting_storage_backup_host,
			&uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_host,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_loc,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_str, &uint32_tmp, buffer);
		xfree(tmp_str);
		safe_unpack32(&build_ptr->accounting_storage_port, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->accounting_storage_user,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->authtype,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->backup_addr,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->backup_controller,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->batch_start_timeout, buffer);
		safe_unpack_time(&build_ptr->boot_time, buffer);

		safe_unpack16(&uint16_tmp, buffer);
		build_ptr->group_info = 600;
		if (uint16_tmp)
			build_ptr->group_info |= GROUP_CACHE;

		safe_unpackstr_xmalloc(&build_ptr->checkpoint_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->cluster_name,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->complete_wait, buffer);
		safe_unpackstr_xmalloc(&build_ptr->control_addr,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->control_machine,
				       &uint32_tmp,buffer);
		safe_unpackstr_xmalloc(&build_ptr->crypto_type, &uint32_tmp,
				       buffer);

		safe_unpack32(&build_ptr->def_mem_per_cpu, buffer);
		safe_unpack32(&build_ptr->debug_flags, buffer);
		safe_unpack16(&build_ptr->disable_root_jobs, buffer);

		safe_unpackstr_xmalloc(&build_ptr->epilog, &uint32_tmp,
				       buffer);
		safe_unpack32(&build_ptr->epilog_msg_time, buffer);
		safe_unpackstr_xmalloc(&build_ptr->epilog_slurmctld,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->fast_schedule, buffer);
		safe_unpack32(&build_ptr->first_job_id, buffer);

		safe_unpack16(&build_ptr->get_env_timeout, buffer);

		safe_unpack16(&build_ptr->health_check_interval, buffer);
		safe_unpackstr_xmalloc(&build_ptr->health_check_program,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->inactive_limit, buffer);

		safe_unpack16(&build_ptr->job_acct_gather_freq, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_acct_gather_type,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_ckpt_dir,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_comp_host,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_loc,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&tmp_str, &uint32_tmp, buffer);
		xfree(tmp_str);
		safe_unpack32(&build_ptr->job_comp_port, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_type,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->job_comp_user,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->job_credential_private_key,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->
				       job_credential_public_certificate,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->job_file_append, buffer);
		safe_unpack16(&build_ptr->job_requeue, buffer);

		safe_unpack16(&build_ptr->kill_on_bad_exit, buffer);
		safe_unpack16(&build_ptr->kill_wait, buffer);

		safe_unpackstr_xmalloc(&build_ptr->licenses,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->mail_prog,
				       &uint32_tmp, buffer);
		max_job_cnt = MIN(build_ptr->max_job_cnt, 0xfffe);
		build_ptr->max_job_id = DEFAULT_MAX_JOB_ID;
		safe_unpack16(&max_job_cnt, buffer);
		safe_unpack32(&build_ptr->max_mem_per_cpu, buffer);
		build_ptr->max_step_cnt = DEFAULT_MAX_STEP_COUNT;
		safe_unpack16(&build_ptr->max_tasks_per_node, buffer);
		safe_unpack16(&build_ptr->min_job_age, buffer);
		safe_unpackstr_xmalloc(&build_ptr->mpi_default,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->mpi_params,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->msg_timeout, buffer);

		safe_unpack32(&build_ptr->next_job_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->node_prefix,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->over_time_limit, buffer);

		safe_unpackstr_xmalloc(&build_ptr->plugindir,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->plugstack,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->preempt_mode, buffer);
		safe_unpackstr_xmalloc(&build_ptr->preempt_type,
				       &uint32_tmp, buffer);

		safe_unpack32(&build_ptr->priority_decay_hl, buffer);
		safe_unpack32(&build_ptr->priority_calc_period, buffer);
		safe_unpack16(&build_ptr->priority_favor_small, buffer);
		safe_unpack32(&build_ptr->priority_max_age, buffer);
		safe_unpack16(&build_ptr->priority_reset_period, buffer);
		safe_unpackstr_xmalloc(&build_ptr->priority_type, &uint32_tmp,
				       buffer);
		safe_unpack32(&build_ptr->priority_weight_age, buffer);
		safe_unpack32(&build_ptr->priority_weight_fs, buffer);
		safe_unpack32(&build_ptr->priority_weight_js, buffer);
		safe_unpack32(&build_ptr->priority_weight_part, buffer);
		safe_unpack32(&build_ptr->priority_weight_qos, buffer);

		safe_unpack16(&build_ptr->private_data, buffer);
		safe_unpackstr_xmalloc(&build_ptr->proctrack_type, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->prolog, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->prolog_slurmctld,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->propagate_prio_process, buffer);
		safe_unpackstr_xmalloc(&build_ptr->propagate_rlimits,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->propagate_rlimits_except,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->resume_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->resume_rate, buffer);
		safe_unpack16(&build_ptr->resume_timeout, buffer);
		safe_unpack16(&build_ptr->resv_over_run, buffer);
		safe_unpack16(&build_ptr->ret2service, buffer);

		safe_unpackstr_xmalloc(&build_ptr->salloc_default_command,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->sched_params,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->schedport, buffer);
		safe_unpack16(&build_ptr->schedrootfltr, buffer);
		safe_unpack16(&build_ptr->sched_time_slice, buffer);
		safe_unpackstr_xmalloc(&build_ptr->schedtype,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->select_type,
				       &uint32_tmp, buffer);
		safe_unpack32(&count, buffer);
		if(count != NO_VAL) {
			List tmp_list = list_create(destroy_config_key_pair);
			config_key_pair_t *object = NULL;
			int i;
			for(i=0; i<count; i++) {
				if(unpack_config_key_pair(
					   (void *)&object, protocol_version,
					   buffer)
				   == SLURM_ERROR)
					goto unpack_error;
				list_append(tmp_list, object);
			}
			build_ptr->select_conf_key_pairs = (void *)tmp_list;
		}

		safe_unpack16(&build_ptr->select_type_param, buffer);

		safe_unpackstr_xmalloc(&build_ptr->slurm_conf,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurm_user_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurm_user_name,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurmd_user_id, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_user_name,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->slurmctld_debug, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmctld_logfile,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmctld_pidfile,
				       &uint32_tmp, buffer);
		safe_unpack32(&build_ptr->slurmctld_port, buffer);
		build_ptr->slurmctld_port_count = 1;
		safe_unpack16(&build_ptr->slurmctld_timeout, buffer);

		safe_unpack16(&build_ptr->slurmd_debug, buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_logfile, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->slurmd_pidfile, &uint32_tmp,
				       buffer);
#ifndef MULTIPLE_SLURMD
		safe_unpack32(&build_ptr->slurmd_port, buffer);
#endif
		safe_unpackstr_xmalloc(&build_ptr->slurmd_spooldir, &uint32_tmp,
				       buffer);
		safe_unpack16(&build_ptr->slurmd_timeout, buffer);

		safe_unpackstr_xmalloc(&build_ptr->srun_epilog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->srun_prolog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->state_save_location,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_exc_nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_exc_parts,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->suspend_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->suspend_rate, buffer);
		safe_unpack32(&build_ptr->suspend_time, buffer);
		safe_unpack16(&build_ptr->suspend_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->switch_type,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&build_ptr->task_epilog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->task_prolog,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&build_ptr->task_plugin,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->task_plugin_param, buffer);
		safe_unpackstr_xmalloc(&build_ptr->tmp_fs, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&build_ptr->topology_plugin,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->track_wckey, buffer);
		safe_unpack16(&build_ptr->tree_width, buffer);

		safe_unpack16(&build_ptr->use_pam, buffer);
		safe_unpackstr_xmalloc(&build_ptr->unkillable_program,
				       &uint32_tmp, buffer);
		safe_unpack16(&build_ptr->unkillable_timeout, buffer);
		safe_unpackstr_xmalloc(&build_ptr->version,
				       &uint32_tmp, buffer);

		safe_unpack16(&build_ptr->wait_time, buffer);

		safe_unpack16(&build_ptr->z_16, buffer);
		safe_unpack32(&build_ptr->z_32, buffer);
		safe_unpackstr_xmalloc(&build_ptr->z_char, &uint32_tmp,
				       buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_ctl_conf(build_ptr);
	*build_buffer_ptr = NULL;
	return SLURM_ERROR;
}

/* _pack_job_desc_msg
 * packs a job_desc struct
 * IN job_desc_ptr - pointer to the job descriptor to pack
 * IN/OUT buffer - destination of the pack, contains pointers that are
 *			automatically updated
 */
static void
_pack_job_desc_msg(job_desc_msg_t * job_desc_ptr, Buf buffer,
		   uint16_t protocol_version)
{
	/* load the data values */
	if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		pack16(job_desc_ptr->contiguous, buffer);
		pack16(job_desc_ptr->task_dist, buffer);
		pack16(job_desc_ptr->kill_on_node_fail, buffer);
		packstr(job_desc_ptr->features, buffer);
		packstr(job_desc_ptr->gres, buffer);
		pack32(job_desc_ptr->job_id, buffer);
		packstr(job_desc_ptr->name, buffer);

		packstr(job_desc_ptr->alloc_node, buffer);
		pack32(job_desc_ptr->alloc_sid, buffer);
		pack16(job_desc_ptr->pn_min_cpus, buffer);
		pack32(job_desc_ptr->pn_min_memory, buffer);
		pack32(job_desc_ptr->pn_min_tmp_disk, buffer);

		packstr(job_desc_ptr->partition, buffer);
		pack32(job_desc_ptr->priority, buffer);
		packstr(job_desc_ptr->dependency, buffer);
		packstr(job_desc_ptr->account, buffer);
		packstr(job_desc_ptr->comment, buffer);
		pack16(job_desc_ptr->nice, buffer);
		packstr(job_desc_ptr->qos, buffer);

		pack8(job_desc_ptr->open_mode,   buffer);
		pack8(job_desc_ptr->overcommit,  buffer);
		pack16(job_desc_ptr->acctg_freq, buffer);
		pack32(job_desc_ptr->num_tasks,  buffer);
		pack16(job_desc_ptr->ckpt_interval, buffer);

		packstr(job_desc_ptr->req_nodes, buffer);
		packstr(job_desc_ptr->exc_nodes, buffer);
		packstr_array(job_desc_ptr->environment,
			      job_desc_ptr->env_size, buffer);
		packstr_array(job_desc_ptr->spank_job_env,
			      job_desc_ptr->spank_job_env_size, buffer);
		packstr(job_desc_ptr->script, buffer);
		packstr_array(job_desc_ptr->argv, job_desc_ptr->argc, buffer);

		packstr(job_desc_ptr->std_err, buffer);
		packstr(job_desc_ptr->std_in, buffer);
		packstr(job_desc_ptr->std_out, buffer);
		packstr(job_desc_ptr->work_dir, buffer);
		packstr(job_desc_ptr->ckpt_dir, buffer);

		pack16(job_desc_ptr->immediate, buffer);
		pack16(job_desc_ptr->requeue, buffer);
		pack16(job_desc_ptr->shared, buffer);
		pack16(job_desc_ptr->cpus_per_task, buffer);
		pack16(job_desc_ptr->ntasks_per_node, buffer);
		pack16(job_desc_ptr->ntasks_per_socket, buffer);
		pack16(job_desc_ptr->ntasks_per_core, buffer);

		pack16(job_desc_ptr->plane_size, buffer);
		pack16(job_desc_ptr->cpu_bind_type, buffer);
		pack16(job_desc_ptr->mem_bind_type, buffer);
		packstr(job_desc_ptr->cpu_bind, buffer);
		packstr(job_desc_ptr->mem_bind, buffer);

		pack32(job_desc_ptr->time_limit, buffer);
		pack32(job_desc_ptr->time_min, buffer);
		pack32(job_desc_ptr->min_cpus, buffer);
		pack32(job_desc_ptr->max_cpus, buffer);
		pack32(job_desc_ptr->min_nodes, buffer);
		pack32(job_desc_ptr->max_nodes, buffer);
		pack16(job_desc_ptr->sockets_per_node, buffer);
		pack16(job_desc_ptr->cores_per_socket, buffer);
		pack16(job_desc_ptr->threads_per_core, buffer);
		pack32(job_desc_ptr->user_id, buffer);
		pack32(job_desc_ptr->group_id, buffer);

		pack16(job_desc_ptr->alloc_resp_port, buffer);
		pack16(job_desc_ptr->other_port, buffer);
		packstr(job_desc_ptr->network, buffer);
		pack_time(job_desc_ptr->begin_time, buffer);
		pack_time(job_desc_ptr->end_time, buffer);

		packstr(job_desc_ptr->licenses, buffer);
		pack16(job_desc_ptr->mail_type, buffer);
		packstr(job_desc_ptr->mail_user, buffer);
		packstr(job_desc_ptr->reservation, buffer);
		pack16(job_desc_ptr->warn_signal, buffer);
		pack16(job_desc_ptr->warn_time, buffer);
		packstr(job_desc_ptr->wckey, buffer);
		pack32(job_desc_ptr->req_switch, buffer);
		pack32(job_desc_ptr->wait4switch, buffer);

		if (job_desc_ptr->select_jobinfo) {
			select_g_select_jobinfo_pack(
				job_desc_ptr->select_jobinfo,
				buffer, protocol_version);
		} else {
			job_desc_ptr->select_jobinfo =
				select_g_select_jobinfo_alloc();
			if(job_desc_ptr->geometry[0] != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_GEOMETRY,
					job_desc_ptr->geometry);

			if (job_desc_ptr->conn_type[0] != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_CONN_TYPE,
					&(job_desc_ptr->conn_type));
			if (job_desc_ptr->reboot != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_REBOOT,
					&(job_desc_ptr->reboot));
			if (job_desc_ptr->rotate != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_ROTATE,
					&(job_desc_ptr->rotate));
			if (job_desc_ptr->blrtsimage) {
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_BLRTS_IMAGE,
					job_desc_ptr->blrtsimage);
			}
			if (job_desc_ptr->linuximage)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_LINUX_IMAGE,
					job_desc_ptr->linuximage);
			if (job_desc_ptr->mloaderimage)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_MLOADER_IMAGE,
					job_desc_ptr->mloaderimage);
			if (job_desc_ptr->ramdiskimage)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_RAMDISK_IMAGE,
					job_desc_ptr->ramdiskimage);
			select_g_select_jobinfo_pack(
				job_desc_ptr->select_jobinfo,
				buffer, protocol_version);
			select_g_select_jobinfo_free(
				job_desc_ptr->select_jobinfo);
			job_desc_ptr->select_jobinfo = NULL;
		}
		pack16(job_desc_ptr->wait_all_nodes, buffer);
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		pack16(job_desc_ptr->contiguous, buffer);
		pack16(job_desc_ptr->task_dist, buffer);
		pack16(job_desc_ptr->kill_on_node_fail, buffer);
		packstr(job_desc_ptr->features, buffer);
		packstr(job_desc_ptr->gres, buffer);
		pack32(job_desc_ptr->job_id, buffer);
		packstr(job_desc_ptr->name, buffer);

		packstr(job_desc_ptr->alloc_node, buffer);
		pack32(job_desc_ptr->alloc_sid, buffer);
		pack16(job_desc_ptr->pn_min_cpus, buffer);
		pack32(job_desc_ptr->pn_min_memory, buffer);
		pack32(job_desc_ptr->pn_min_tmp_disk, buffer);

		packstr(job_desc_ptr->partition, buffer);
		pack32(job_desc_ptr->priority, buffer);
		packstr(job_desc_ptr->dependency, buffer);
		packstr(job_desc_ptr->account, buffer);
		packstr(job_desc_ptr->comment, buffer);
		pack16(job_desc_ptr->nice, buffer);
		packstr(job_desc_ptr->qos, buffer);

		pack8(job_desc_ptr->open_mode,   buffer);
		pack8(job_desc_ptr->overcommit,  buffer);
		pack16(job_desc_ptr->acctg_freq, buffer);
		pack32(job_desc_ptr->num_tasks,  buffer);
		pack16(job_desc_ptr->ckpt_interval, buffer);

		packstr(job_desc_ptr->req_nodes, buffer);
		packstr(job_desc_ptr->exc_nodes, buffer);
		packstr_array(job_desc_ptr->environment,
			      job_desc_ptr->env_size, buffer);
		packstr_array(job_desc_ptr->spank_job_env,
			      job_desc_ptr->spank_job_env_size, buffer);
		packstr(job_desc_ptr->script, buffer);
		packstr_array(job_desc_ptr->argv, job_desc_ptr->argc, buffer);

		packstr(job_desc_ptr->std_err, buffer);
		packstr(job_desc_ptr->std_in, buffer);
		packstr(job_desc_ptr->std_out, buffer);
		packstr(job_desc_ptr->work_dir, buffer);
		packstr(job_desc_ptr->ckpt_dir, buffer);

		pack16(job_desc_ptr->immediate, buffer);
		pack16(job_desc_ptr->requeue, buffer);
		pack16(job_desc_ptr->shared, buffer);
		pack16(job_desc_ptr->cpus_per_task, buffer);
		pack16(job_desc_ptr->ntasks_per_node, buffer);
		pack16(job_desc_ptr->ntasks_per_socket, buffer);
		pack16(job_desc_ptr->ntasks_per_core, buffer);

		pack16(job_desc_ptr->plane_size, buffer);
		pack16(job_desc_ptr->cpu_bind_type, buffer);
		pack16(job_desc_ptr->mem_bind_type, buffer);
		packstr(job_desc_ptr->cpu_bind, buffer);
		packstr(job_desc_ptr->mem_bind, buffer);

		pack32(job_desc_ptr->time_limit, buffer);
		pack32(job_desc_ptr->time_min, buffer);
		pack32(job_desc_ptr->min_cpus, buffer);
		pack32(job_desc_ptr->max_cpus, buffer);
		pack32(job_desc_ptr->min_nodes, buffer);
		pack32(job_desc_ptr->max_nodes, buffer);
		pack16(job_desc_ptr->sockets_per_node, buffer);
		pack16(job_desc_ptr->cores_per_socket, buffer);
		pack16(job_desc_ptr->threads_per_core, buffer);
		pack32(job_desc_ptr->user_id, buffer);
		pack32(job_desc_ptr->group_id, buffer);

		pack16(job_desc_ptr->alloc_resp_port, buffer);
		pack16(job_desc_ptr->other_port, buffer);
		packstr(job_desc_ptr->network, buffer);
		pack_time(job_desc_ptr->begin_time, buffer);
		pack_time(job_desc_ptr->end_time, buffer);

		packstr(job_desc_ptr->licenses, buffer);
		pack16(job_desc_ptr->mail_type, buffer);
		packstr(job_desc_ptr->mail_user, buffer);
		packstr(job_desc_ptr->reservation, buffer);
		pack16(job_desc_ptr->warn_signal, buffer);
		pack16(job_desc_ptr->warn_time, buffer);
		packstr(job_desc_ptr->wckey, buffer);

		if (job_desc_ptr->select_jobinfo) {
			select_g_select_jobinfo_pack(
				job_desc_ptr->select_jobinfo,
				buffer, protocol_version);
		} else {
			job_desc_ptr->select_jobinfo =
				select_g_select_jobinfo_alloc();
			if(job_desc_ptr->geometry[0] != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_GEOMETRY,
					job_desc_ptr->geometry);

			if (job_desc_ptr->conn_type[0] != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_CONN_TYPE,
					&(job_desc_ptr->conn_type));
			if (job_desc_ptr->reboot != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_REBOOT,
					&(job_desc_ptr->reboot));
			if (job_desc_ptr->rotate != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_ROTATE,
					&(job_desc_ptr->rotate));
			if (job_desc_ptr->blrtsimage) {
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_BLRTS_IMAGE,
					job_desc_ptr->blrtsimage);
			}
			if (job_desc_ptr->linuximage)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_LINUX_IMAGE,
					job_desc_ptr->linuximage);
			if (job_desc_ptr->mloaderimage)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_MLOADER_IMAGE,
					job_desc_ptr->mloaderimage);
			if (job_desc_ptr->ramdiskimage)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_RAMDISK_IMAGE,
					job_desc_ptr->ramdiskimage);
			select_g_select_jobinfo_pack(
				job_desc_ptr->select_jobinfo,
				buffer, protocol_version);
			select_g_select_jobinfo_free(
				job_desc_ptr->select_jobinfo);
			job_desc_ptr->select_jobinfo = NULL;
		}
		pack16(job_desc_ptr->wait_all_nodes, buffer);
	} else if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		pack16(job_desc_ptr->contiguous, buffer);
		pack16(job_desc_ptr->task_dist, buffer);
		pack16(job_desc_ptr->kill_on_node_fail, buffer);
		packstr(job_desc_ptr->features, buffer);
		pack32(job_desc_ptr->job_id, buffer);
		packstr(job_desc_ptr->name, buffer);

		packstr(job_desc_ptr->alloc_node, buffer);
		pack32(job_desc_ptr->alloc_sid, buffer);
		pack16(job_desc_ptr->pn_min_cpus, buffer);
		pack32(job_desc_ptr->pn_min_memory, buffer);
		pack32(job_desc_ptr->pn_min_tmp_disk, buffer);

		packstr(job_desc_ptr->partition, buffer);
		pack32(job_desc_ptr->priority, buffer);
		packstr(job_desc_ptr->dependency, buffer);
		packstr(job_desc_ptr->account, buffer);
		packstr(job_desc_ptr->comment, buffer);
		pack16(job_desc_ptr->nice, buffer);
		packstr(job_desc_ptr->qos, buffer);

		pack8(job_desc_ptr->open_mode,   buffer);
		pack8(job_desc_ptr->overcommit,  buffer);
		pack16(job_desc_ptr->acctg_freq, buffer);
		pack32(job_desc_ptr->num_tasks,  buffer);
		pack16(job_desc_ptr->ckpt_interval, buffer);

		packstr(job_desc_ptr->req_nodes, buffer);
		packstr(job_desc_ptr->exc_nodes, buffer);
		packstr_array(job_desc_ptr->environment,
			      job_desc_ptr->env_size, buffer);
		packstr_array(job_desc_ptr->spank_job_env,
			      job_desc_ptr->spank_job_env_size, buffer);
		packstr(job_desc_ptr->script, buffer);
		packstr_array(job_desc_ptr->argv, job_desc_ptr->argc, buffer);

		packstr(job_desc_ptr->std_err, buffer);
		packstr(job_desc_ptr->std_in, buffer);
		packstr(job_desc_ptr->std_out, buffer);
		packstr(job_desc_ptr->work_dir, buffer);
		packstr(job_desc_ptr->ckpt_dir, buffer);

		pack16(job_desc_ptr->immediate, buffer);
		pack16(job_desc_ptr->requeue, buffer);
		pack16(job_desc_ptr->shared, buffer);
		pack16(job_desc_ptr->cpus_per_task, buffer);
		pack16(job_desc_ptr->ntasks_per_node, buffer);
		pack16(job_desc_ptr->ntasks_per_socket, buffer);
		pack16(job_desc_ptr->ntasks_per_core, buffer);

		pack16(job_desc_ptr->plane_size, buffer);
		pack16(job_desc_ptr->cpu_bind_type, buffer);
		pack16(job_desc_ptr->mem_bind_type, buffer);
		packstr(job_desc_ptr->cpu_bind, buffer);
		packstr(job_desc_ptr->mem_bind, buffer);

		pack32(job_desc_ptr->time_limit, buffer);
		pack32(job_desc_ptr->min_cpus, buffer);
		pack32(job_desc_ptr->min_nodes, buffer);
		pack32(job_desc_ptr->max_nodes, buffer);
		pack16(job_desc_ptr->sockets_per_node, buffer);
		pack16(job_desc_ptr->cores_per_socket, buffer);
		pack16(job_desc_ptr->threads_per_core, buffer);
		pack32(job_desc_ptr->user_id, buffer);
		pack32(job_desc_ptr->group_id, buffer);

		pack16(job_desc_ptr->alloc_resp_port, buffer);
		pack16(job_desc_ptr->other_port, buffer);
		packstr(job_desc_ptr->network, buffer);
		pack_time(job_desc_ptr->begin_time, buffer);
		pack_time(job_desc_ptr->end_time, buffer);

		packstr(job_desc_ptr->licenses, buffer);
		pack16(job_desc_ptr->mail_type, buffer);
		packstr(job_desc_ptr->mail_user, buffer);
		packstr(job_desc_ptr->reservation, buffer);
		pack16(job_desc_ptr->warn_signal, buffer);
		pack16(job_desc_ptr->warn_time, buffer);
		packstr(job_desc_ptr->wckey, buffer);

		if(job_desc_ptr->select_jobinfo) {
			select_g_select_jobinfo_pack(
				job_desc_ptr->select_jobinfo,
				buffer, protocol_version);
		} else {
			job_desc_ptr->select_jobinfo =
				select_g_select_jobinfo_alloc();

			if(job_desc_ptr->geometry[0] != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_GEOMETRY,
					job_desc_ptr->geometry);

			if (job_desc_ptr->conn_type[0] != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_CONN_TYPE,
					&(job_desc_ptr->conn_type));
			if (job_desc_ptr->reboot != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_REBOOT,
					&(job_desc_ptr->reboot));
			if (job_desc_ptr->rotate != (uint16_t) NO_VAL)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_ROTATE,
					&(job_desc_ptr->rotate));
			if (job_desc_ptr->blrtsimage) {
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_BLRTS_IMAGE,
					job_desc_ptr->blrtsimage);
			}
			if (job_desc_ptr->linuximage)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_LINUX_IMAGE,
					job_desc_ptr->linuximage);
			if (job_desc_ptr->mloaderimage)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_MLOADER_IMAGE,
					job_desc_ptr->mloaderimage);
			if (job_desc_ptr->ramdiskimage)
				select_g_select_jobinfo_set(
					job_desc_ptr->select_jobinfo,
					SELECT_JOBDATA_RAMDISK_IMAGE,
					job_desc_ptr->ramdiskimage);
			select_g_select_jobinfo_pack(
				job_desc_ptr->select_jobinfo,
				buffer, protocol_version);
			select_g_select_jobinfo_free(
				job_desc_ptr->select_jobinfo);
			job_desc_ptr->select_jobinfo = NULL;
		}
	}
}

/* _unpack_job_desc_msg
 * unpacks a job_desc struct
 * OUT job_desc_buffer_ptr - place to put pointer to allocated job desc struct
 * IN/OUT buffer - source of the unpack, contains pointers that are
 *			automatically updated
 */
static int
_unpack_job_desc_msg(job_desc_msg_t ** job_desc_buffer_ptr, Buf buffer,
		     uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	job_desc_msg_t *job_desc_ptr;

	/* alloc memory for structure */
	if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		job_desc_ptr = xmalloc(sizeof(job_desc_msg_t));
		*job_desc_buffer_ptr = job_desc_ptr;

		/* load the data values */
		safe_unpack16(&job_desc_ptr->contiguous, buffer);
		safe_unpack16(&job_desc_ptr->task_dist, buffer);
		safe_unpack16(&job_desc_ptr->kill_on_node_fail, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->features,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->gres, &uint32_tmp,buffer);
		safe_unpack32(&job_desc_ptr->job_id, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->name,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->alloc_node,
				       &uint32_tmp, buffer);
		safe_unpack32(&job_desc_ptr->alloc_sid, buffer);
		safe_unpack16(&job_desc_ptr->pn_min_cpus, buffer);
		safe_unpack32(&job_desc_ptr->pn_min_memory, buffer);
		safe_unpack32(&job_desc_ptr->pn_min_tmp_disk, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->partition,
				       &uint32_tmp, buffer);
		safe_unpack32(&job_desc_ptr->priority, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->dependency,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->account,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->comment,
				       &uint32_tmp, buffer);
		safe_unpack16(&job_desc_ptr->nice, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->qos, &uint32_tmp,
				       buffer);

		safe_unpack8(&job_desc_ptr->open_mode,   buffer);
		safe_unpack8(&job_desc_ptr->overcommit,  buffer);
		safe_unpack16(&job_desc_ptr->acctg_freq, buffer);
		safe_unpack32(&job_desc_ptr->num_tasks,  buffer);
		safe_unpack16(&job_desc_ptr->ckpt_interval, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->req_nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->exc_nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_array(&job_desc_ptr->environment,
				     &job_desc_ptr->env_size, buffer);
		safe_unpackstr_array(&job_desc_ptr->spank_job_env,
				     &job_desc_ptr->spank_job_env_size,
				     buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->script,
				       &uint32_tmp, buffer);
		safe_unpackstr_array(&job_desc_ptr->argv,
				     &job_desc_ptr->argc, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->std_err,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->std_in,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->std_out,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->work_dir,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->ckpt_dir,
				       &uint32_tmp, buffer);

		safe_unpack16(&job_desc_ptr->immediate, buffer);
		safe_unpack16(&job_desc_ptr->requeue, buffer);
		safe_unpack16(&job_desc_ptr->shared, buffer);
		safe_unpack16(&job_desc_ptr->cpus_per_task, buffer);
		safe_unpack16(&job_desc_ptr->ntasks_per_node, buffer);
		safe_unpack16(&job_desc_ptr->ntasks_per_socket, buffer);
		safe_unpack16(&job_desc_ptr->ntasks_per_core, buffer);

		safe_unpack16(&job_desc_ptr->plane_size, buffer);
		safe_unpack16(&job_desc_ptr->cpu_bind_type, buffer);
		safe_unpack16(&job_desc_ptr->mem_bind_type, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->cpu_bind,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->mem_bind,
				       &uint32_tmp, buffer);

		safe_unpack32(&job_desc_ptr->time_limit, buffer);
		safe_unpack32(&job_desc_ptr->time_min, buffer);
		safe_unpack32(&job_desc_ptr->min_cpus, buffer);
		safe_unpack32(&job_desc_ptr->max_cpus, buffer);
		safe_unpack32(&job_desc_ptr->min_nodes, buffer);
		safe_unpack32(&job_desc_ptr->max_nodes, buffer);
		safe_unpack16(&job_desc_ptr->sockets_per_node, buffer);
		safe_unpack16(&job_desc_ptr->cores_per_socket, buffer);
		safe_unpack16(&job_desc_ptr->threads_per_core, buffer);
		safe_unpack32(&job_desc_ptr->user_id, buffer);
		safe_unpack32(&job_desc_ptr->group_id, buffer);

		safe_unpack16(&job_desc_ptr->alloc_resp_port, buffer);
		safe_unpack16(&job_desc_ptr->other_port, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->network,
				       &uint32_tmp, buffer);
		safe_unpack_time(&job_desc_ptr->begin_time, buffer);
		safe_unpack_time(&job_desc_ptr->end_time, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->licenses,
				       &uint32_tmp, buffer);
		safe_unpack16(&job_desc_ptr->mail_type, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->mail_user,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->reservation,
				       &uint32_tmp, buffer);
		safe_unpack16(&job_desc_ptr->warn_signal, buffer);
		safe_unpack16(&job_desc_ptr->warn_time, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->wckey,
				       &uint32_tmp, buffer);
		safe_unpack32(&job_desc_ptr->req_switch, buffer);
		safe_unpack32(&job_desc_ptr->wait4switch, buffer);

		if (select_g_select_jobinfo_unpack(
			    &job_desc_ptr->select_jobinfo,
			    buffer, protocol_version))
			goto unpack_error;

		/* These are set so we don't confuse them later for what is
		 * set in the select_jobinfo structure.
		 */
		job_desc_ptr->geometry[0] = (uint16_t)NO_VAL;
		job_desc_ptr->conn_type[0] = (uint16_t)NO_VAL;
		job_desc_ptr->reboot = (uint16_t)NO_VAL;
		job_desc_ptr->rotate = (uint16_t)NO_VAL;
		job_desc_ptr->blrtsimage = NULL;
		job_desc_ptr->linuximage = NULL;
		job_desc_ptr->mloaderimage = NULL;
		job_desc_ptr->ramdiskimage = NULL;
		safe_unpack16(&job_desc_ptr->wait_all_nodes, buffer);
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		job_desc_ptr = xmalloc(sizeof(job_desc_msg_t));
		*job_desc_buffer_ptr = job_desc_ptr;

		/* load the data values */
		safe_unpack16(&job_desc_ptr->contiguous, buffer);
		safe_unpack16(&job_desc_ptr->task_dist, buffer);
		safe_unpack16(&job_desc_ptr->kill_on_node_fail, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->features,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->gres, &uint32_tmp,buffer);
		safe_unpack32(&job_desc_ptr->job_id, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->name,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->alloc_node,
				       &uint32_tmp, buffer);
		safe_unpack32(&job_desc_ptr->alloc_sid, buffer);
		safe_unpack16(&job_desc_ptr->pn_min_cpus, buffer);
		safe_unpack32(&job_desc_ptr->pn_min_memory, buffer);
		safe_unpack32(&job_desc_ptr->pn_min_tmp_disk, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->partition,
				       &uint32_tmp, buffer);
		safe_unpack32(&job_desc_ptr->priority, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->dependency,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->account,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->comment,
				       &uint32_tmp, buffer);
		safe_unpack16(&job_desc_ptr->nice, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->qos, &uint32_tmp,
				       buffer);

		safe_unpack8(&job_desc_ptr->open_mode,   buffer);
		safe_unpack8(&job_desc_ptr->overcommit,  buffer);
		safe_unpack16(&job_desc_ptr->acctg_freq, buffer);
		safe_unpack32(&job_desc_ptr->num_tasks,  buffer);
		safe_unpack16(&job_desc_ptr->ckpt_interval, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->req_nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->exc_nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_array(&job_desc_ptr->environment,
				     &job_desc_ptr->env_size, buffer);
		safe_unpackstr_array(&job_desc_ptr->spank_job_env,
				     &job_desc_ptr->spank_job_env_size,
				     buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->script,
				       &uint32_tmp, buffer);
		safe_unpackstr_array(&job_desc_ptr->argv,
				     &job_desc_ptr->argc, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->std_err,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->std_in,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->std_out,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->work_dir,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->ckpt_dir,
				       &uint32_tmp, buffer);

		safe_unpack16(&job_desc_ptr->immediate, buffer);
		safe_unpack16(&job_desc_ptr->requeue, buffer);
		safe_unpack16(&job_desc_ptr->shared, buffer);
		safe_unpack16(&job_desc_ptr->cpus_per_task, buffer);
		safe_unpack16(&job_desc_ptr->ntasks_per_node, buffer);
		safe_unpack16(&job_desc_ptr->ntasks_per_socket, buffer);
		safe_unpack16(&job_desc_ptr->ntasks_per_core, buffer);

		safe_unpack16(&job_desc_ptr->plane_size, buffer);
		safe_unpack16(&job_desc_ptr->cpu_bind_type, buffer);
		safe_unpack16(&job_desc_ptr->mem_bind_type, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->cpu_bind,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->mem_bind,
				       &uint32_tmp, buffer);

		safe_unpack32(&job_desc_ptr->time_limit, buffer);
		safe_unpack32(&job_desc_ptr->time_min, buffer);
		safe_unpack32(&job_desc_ptr->min_cpus, buffer);
		safe_unpack32(&job_desc_ptr->max_cpus, buffer);
		safe_unpack32(&job_desc_ptr->min_nodes, buffer);
		safe_unpack32(&job_desc_ptr->max_nodes, buffer);
		safe_unpack16(&job_desc_ptr->sockets_per_node, buffer);
		safe_unpack16(&job_desc_ptr->cores_per_socket, buffer);
		safe_unpack16(&job_desc_ptr->threads_per_core, buffer);
		safe_unpack32(&job_desc_ptr->user_id, buffer);
		safe_unpack32(&job_desc_ptr->group_id, buffer);

		safe_unpack16(&job_desc_ptr->alloc_resp_port, buffer);
		safe_unpack16(&job_desc_ptr->other_port, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->network,
				       &uint32_tmp, buffer);
		safe_unpack_time(&job_desc_ptr->begin_time, buffer);
		safe_unpack_time(&job_desc_ptr->end_time, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->licenses,
				       &uint32_tmp, buffer);
		safe_unpack16(&job_desc_ptr->mail_type, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->mail_user,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->reservation,
				       &uint32_tmp, buffer);
		safe_unpack16(&job_desc_ptr->warn_signal, buffer);
		safe_unpack16(&job_desc_ptr->warn_time, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->wckey,
				       &uint32_tmp, buffer);

		if (select_g_select_jobinfo_unpack(
			    &job_desc_ptr->select_jobinfo,
			    buffer, protocol_version))
			goto unpack_error;

		/* These are set so we don't confuse them later for what is
		 * set in the select_jobinfo structure.
		 */
		job_desc_ptr->geometry[0] = (uint16_t)NO_VAL;
		job_desc_ptr->conn_type[0] = (uint16_t)NO_VAL;
		job_desc_ptr->reboot = (uint16_t)NO_VAL;
		job_desc_ptr->rotate = (uint16_t)NO_VAL;
		job_desc_ptr->blrtsimage = NULL;
		job_desc_ptr->linuximage = NULL;
		job_desc_ptr->mloaderimage = NULL;
		job_desc_ptr->ramdiskimage = NULL;
		safe_unpack16(&job_desc_ptr->wait_all_nodes, buffer);
	} else if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		job_desc_ptr = xmalloc(sizeof(job_desc_msg_t));
		*job_desc_buffer_ptr = job_desc_ptr;

		/* load the data values */
		safe_unpack16(&job_desc_ptr->contiguous, buffer);
		safe_unpack16(&job_desc_ptr->task_dist, buffer);
		safe_unpack16(&job_desc_ptr->kill_on_node_fail, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->features,
				       &uint32_tmp, buffer);
		safe_unpack32(&job_desc_ptr->job_id, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->name,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->alloc_node,
				       &uint32_tmp, buffer);
		safe_unpack32(&job_desc_ptr->alloc_sid, buffer);
		safe_unpack16(&job_desc_ptr->pn_min_cpus, buffer);
		safe_unpack32(&job_desc_ptr->pn_min_memory, buffer);
		safe_unpack32(&job_desc_ptr->pn_min_tmp_disk, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->partition,
				       &uint32_tmp, buffer);
		safe_unpack32(&job_desc_ptr->priority, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->dependency,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->account,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->comment,
				       &uint32_tmp, buffer);
		safe_unpack16(&job_desc_ptr->nice, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->qos, &uint32_tmp,
				       buffer);

		safe_unpack8(&job_desc_ptr->open_mode,   buffer);
		safe_unpack8(&job_desc_ptr->overcommit,  buffer);
		safe_unpack16(&job_desc_ptr->acctg_freq, buffer);
		safe_unpack32(&job_desc_ptr->num_tasks,  buffer);
		safe_unpack16(&job_desc_ptr->ckpt_interval, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->req_nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->exc_nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_array(&job_desc_ptr->environment,
				     &job_desc_ptr->env_size, buffer);
		safe_unpackstr_array(&job_desc_ptr->spank_job_env,
				     &job_desc_ptr->spank_job_env_size,
				     buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->script,
				       &uint32_tmp, buffer);
		safe_unpackstr_array(&job_desc_ptr->argv,
				     &job_desc_ptr->argc, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->std_err,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->std_in,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->std_out,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->work_dir,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->ckpt_dir,
				       &uint32_tmp, buffer);

		safe_unpack16(&job_desc_ptr->immediate, buffer);
		safe_unpack16(&job_desc_ptr->requeue, buffer);
		safe_unpack16(&job_desc_ptr->shared, buffer);
		safe_unpack16(&job_desc_ptr->cpus_per_task, buffer);
		safe_unpack16(&job_desc_ptr->ntasks_per_node, buffer);
		safe_unpack16(&job_desc_ptr->ntasks_per_socket, buffer);
		safe_unpack16(&job_desc_ptr->ntasks_per_core, buffer);

		safe_unpack16(&job_desc_ptr->plane_size, buffer);
		safe_unpack16(&job_desc_ptr->cpu_bind_type, buffer);
		safe_unpack16(&job_desc_ptr->mem_bind_type, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->cpu_bind,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->mem_bind,
				       &uint32_tmp, buffer);

		safe_unpack32(&job_desc_ptr->time_limit, buffer);
		job_desc_ptr->time_min = job_desc_ptr->time_limit;
		safe_unpack32(&job_desc_ptr->min_cpus, buffer);
		safe_unpack32(&job_desc_ptr->min_nodes, buffer);
		safe_unpack32(&job_desc_ptr->max_nodes, buffer);
		safe_unpack16(&job_desc_ptr->sockets_per_node, buffer);
		safe_unpack16(&job_desc_ptr->cores_per_socket, buffer);
		safe_unpack16(&job_desc_ptr->threads_per_core, buffer);
		safe_unpack32(&job_desc_ptr->user_id, buffer);
		safe_unpack32(&job_desc_ptr->group_id, buffer);

		safe_unpack16(&job_desc_ptr->alloc_resp_port, buffer);
		safe_unpack16(&job_desc_ptr->other_port, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->network,
				       &uint32_tmp, buffer);
		safe_unpack_time(&job_desc_ptr->begin_time, buffer);
		safe_unpack_time(&job_desc_ptr->end_time, buffer);

		safe_unpackstr_xmalloc(&job_desc_ptr->licenses,
				       &uint32_tmp, buffer);
		safe_unpack16(&job_desc_ptr->mail_type, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->mail_user,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->reservation,
				       &uint32_tmp, buffer);
		safe_unpack16(&job_desc_ptr->warn_signal, buffer);
		safe_unpack16(&job_desc_ptr->warn_time, buffer);
		safe_unpackstr_xmalloc(&job_desc_ptr->wckey,
				       &uint32_tmp, buffer);

		if (select_g_select_jobinfo_unpack(
			    &job_desc_ptr->select_jobinfo,
			    buffer, protocol_version))
			goto unpack_error;

		/* These are set so we don't confuse them later for what is
		 * set in the select_jobinfo structure.
		 */
		job_desc_ptr->geometry[0] = (uint16_t)NO_VAL;
		job_desc_ptr->conn_type[0] = (uint16_t)NO_VAL;
		job_desc_ptr->reboot = (uint16_t)NO_VAL;
		job_desc_ptr->rotate = (uint16_t)NO_VAL;
		job_desc_ptr->blrtsimage = NULL;
		job_desc_ptr->linuximage = NULL;
		job_desc_ptr->mloaderimage = NULL;
		job_desc_ptr->ramdiskimage = NULL;

		/* Variables not packed in v2.1 */
		job_desc_ptr->wait_all_nodes = (uint16_t)NO_VAL;
	}

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_desc_msg(job_desc_ptr);
	*job_desc_buffer_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_alloc_info_msg(job_alloc_info_msg_t * job_desc_ptr, Buf buffer,
			 uint16_t protocol_version)
{
	/* load the data values */
	pack32((uint32_t)job_desc_ptr->job_id, buffer);
}

static int
_unpack_job_alloc_info_msg(job_alloc_info_msg_t **
			   job_desc_buffer_ptr, Buf buffer,
			   uint16_t protocol_version)
{
	job_alloc_info_msg_t *job_desc_ptr;

	/* alloc memory for structure */
	assert(job_desc_buffer_ptr != NULL);
	job_desc_ptr = xmalloc(sizeof(job_alloc_info_msg_t));
	*job_desc_buffer_ptr = job_desc_ptr;

	/* load the data values */
	safe_unpack32(&job_desc_ptr->job_id, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_alloc_info_msg(job_desc_ptr);
	*job_desc_buffer_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_last_update_msg(last_update_msg_t * msg, Buf buffer,
		      uint16_t protocol_version)
{
	xassert(msg != NULL);
	pack_time(msg->last_update, buffer);
}

static int
_unpack_last_update_msg(last_update_msg_t ** msg, Buf buffer,
			uint16_t protocol_version)
{
	last_update_msg_t *last_update_msg;

	xassert(msg != NULL);
	last_update_msg = xmalloc(sizeof(last_update_msg_t));
	*msg = last_update_msg;

	safe_unpack_time(&last_update_msg->last_update, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_last_update_msg(last_update_msg);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_return_code_msg(return_code_msg_t * msg, Buf buffer,
		      uint16_t protocol_version)
{
	xassert(msg != NULL);
	pack32((uint32_t)msg->return_code, buffer);
}

static int
_unpack_return_code_msg(return_code_msg_t ** msg, Buf buffer,
			uint16_t protocol_version)
{
	return_code_msg_t *return_code_msg;

	xassert(msg != NULL);
	return_code_msg = xmalloc(sizeof(return_code_msg_t));
	*msg = return_code_msg;

	safe_unpack32(&return_code_msg->return_code, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_return_code_msg(return_code_msg);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_reattach_tasks_request_msg(reattach_tasks_request_msg_t * msg,
				 Buf buffer,
				 uint16_t protocol_version)
{
	int i;

	xassert(msg != NULL);
	pack32((uint32_t)msg->job_id, buffer);
	pack32((uint32_t)msg->job_step_id, buffer);
	pack16((uint16_t)msg->num_resp_port, buffer);
	for(i = 0; i < msg->num_resp_port; i++)
		pack16((uint16_t)msg->resp_port[i], buffer);
	pack16((uint16_t)msg->num_io_port, buffer);
	for(i = 0; i < msg->num_io_port; i++)
		pack16((uint16_t)msg->io_port[i], buffer);

	slurm_cred_pack(msg->cred, buffer);
}

static int
_unpack_reattach_tasks_request_msg(reattach_tasks_request_msg_t ** msg_ptr,
				   Buf buffer,
				   uint16_t protocol_version)
{
	reattach_tasks_request_msg_t *msg;
	int i;

	xassert(msg_ptr != NULL);
	msg = xmalloc(sizeof(*msg));
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id, buffer);
	safe_unpack32(&msg->job_step_id, buffer);
	safe_unpack16(&msg->num_resp_port, buffer);
	if (msg->num_resp_port > 0) {
		msg->resp_port = xmalloc(sizeof(uint16_t)*msg->num_resp_port);
		for (i = 0; i < msg->num_resp_port; i++)
			safe_unpack16(&msg->resp_port[i], buffer);
	}
	safe_unpack16(&msg->num_io_port, buffer);
	if (msg->num_io_port > 0) {
		msg->io_port = xmalloc(sizeof(uint16_t)*msg->num_io_port);
		for (i = 0; i < msg->num_io_port; i++)
			safe_unpack16(&msg->io_port[i], buffer);
	}

	if (!(msg->cred = slurm_cred_unpack(buffer, protocol_version)))
		goto unpack_error;

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_reattach_tasks_request_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_reattach_tasks_response_msg(reattach_tasks_response_msg_t * msg,
				  Buf buffer,
				  uint16_t protocol_version)
{
	int i;

	xassert(msg != NULL);
	packstr(msg->node_name,   buffer);
	pack32((uint32_t)msg->return_code,  buffer);
	pack32((uint32_t)msg->ntasks,       buffer);
	pack32_array(msg->gtids,      msg->ntasks, buffer);
	pack32_array(msg->local_pids, msg->ntasks, buffer);
	for (i = 0; i < msg->ntasks; i++) {
		packstr(msg->executable_names[i], buffer);
	}
}

static int
_unpack_reattach_tasks_response_msg(reattach_tasks_response_msg_t ** msg_ptr,
				    Buf buffer,
				    uint16_t protocol_version)
{
	uint32_t ntasks;
	uint32_t uint32_tmp;
	reattach_tasks_response_msg_t *msg = xmalloc(sizeof(*msg));
	int i;

	xassert(msg_ptr != NULL);
	*msg_ptr = msg;

	safe_unpackstr_xmalloc(&msg->node_name, &uint32_tmp, buffer);
	safe_unpack32(&msg->return_code,  buffer);
	safe_unpack32(&msg->ntasks,       buffer);
	safe_unpack32_array(&msg->gtids,      &ntasks, buffer);
	safe_unpack32_array(&msg->local_pids, &ntasks, buffer);
	if (msg->ntasks != ntasks)
		goto unpack_error;
	msg->executable_names = (char **)xmalloc(sizeof(char *) * msg->ntasks);
	for (i = 0; i < msg->ntasks; i++) {
		safe_unpackstr_xmalloc(&(msg->executable_names[i]), &uint32_tmp,
				       buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_reattach_tasks_response_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}


static void
_pack_task_exit_msg(task_exit_msg_t * msg, Buf buffer,
		    uint16_t protocol_version)
{
	xassert(msg != NULL);
	pack32(msg->return_code, buffer);
	pack32(msg->num_tasks, buffer);
	pack32_array(msg->task_id_list,
		     msg->num_tasks, buffer);
	pack32(msg->job_id, buffer);
	pack32(msg->step_id, buffer);
}

static int
_unpack_task_exit_msg(task_exit_msg_t ** msg_ptr, Buf buffer,
		      uint16_t protocol_version)
{
	task_exit_msg_t *msg;
	uint32_t uint32_tmp;

	xassert(msg_ptr != NULL);
	msg = xmalloc(sizeof(task_exit_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->return_code, buffer);
	safe_unpack32(&msg->num_tasks, buffer);
	safe_unpack32_array(&msg->task_id_list, &uint32_tmp, buffer);
	if (msg->num_tasks != uint32_tmp)
		goto unpack_error;
	safe_unpack32(&msg->job_id, buffer);
	safe_unpack32(&msg->step_id, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_task_exit_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}


static void
_pack_launch_tasks_response_msg(launch_tasks_response_msg_t * msg, Buf buffer,
				uint16_t protocol_version)
{
	xassert(msg != NULL);
	pack32((uint32_t)msg->return_code, buffer);
	packstr(msg->node_name, buffer);
	pack32((uint32_t)msg->count_of_pids, buffer);
	pack32_array(msg->local_pids, msg->count_of_pids, buffer);
	pack32_array(msg->task_ids, msg->count_of_pids, buffer);
}

static int
_unpack_launch_tasks_response_msg(launch_tasks_response_msg_t **
				  msg_ptr, Buf buffer,
				  uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	launch_tasks_response_msg_t *msg;

	xassert(msg_ptr != NULL);
	msg = xmalloc(sizeof(launch_tasks_response_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->return_code, buffer);
	safe_unpackstr_xmalloc(&msg->node_name, &uint32_tmp, buffer);
	safe_unpack32(&msg->count_of_pids, buffer);
	safe_unpack32_array(&msg->local_pids, &uint32_tmp, buffer);
	if (msg->count_of_pids != uint32_tmp)
		goto unpack_error;
	safe_unpack32_array(&msg->task_ids, &uint32_tmp, buffer);
	if (msg->count_of_pids != uint32_tmp)
		goto unpack_error;

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_launch_tasks_response_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_launch_tasks_request_msg(launch_tasks_request_msg_t * msg, Buf buffer,
			       uint16_t protocol_version)
{
	uint32_t cluster_flags = slurmdb_setup_cluster_flags();
	int i = 0;
	xassert(msg != NULL);

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		pack32(msg->job_id, buffer);
		pack32(msg->job_step_id, buffer);
		pack32(msg->ntasks, buffer);
		pack32(msg->uid, buffer);
		pack32(msg->gid, buffer);
		pack32(msg->job_mem_lim, buffer);
		pack32(msg->step_mem_lim, buffer);

		pack32(msg->nnodes, buffer);
		pack16(msg->cpus_per_task, buffer);
		pack16(msg->task_dist, buffer);

		slurm_cred_pack(msg->cred, buffer);
		for (i = 0; i < msg->nnodes; i++) {
			pack16(msg->tasks_to_launch[i], buffer);
			pack16(msg->cpus_allocated[i], buffer);
			pack32_array(msg->global_task_ids[i],
				     (uint32_t) msg->tasks_to_launch[i],
				     buffer);
		}
		pack16(msg->num_resp_port, buffer);
		for (i = 0; i < msg->num_resp_port; i++)
			pack16(msg->resp_port[i], buffer);
		slurm_pack_slurm_addr(&msg->orig_addr, buffer);
		packstr_array(msg->env, msg->envc, buffer);
		packstr_array(msg->spank_job_env, msg->spank_job_env_size,
			      buffer);
		packstr(msg->cwd, buffer);
		pack16(msg->cpu_bind_type, buffer);
		packstr(msg->cpu_bind, buffer);
		pack16(msg->mem_bind_type, buffer);
		packstr(msg->mem_bind, buffer);
		packstr_array(msg->argv, msg->argc, buffer);
		pack16(msg->task_flags, buffer);
		pack16(msg->multi_prog, buffer);
		pack16(msg->user_managed_io, buffer);
		if (msg->user_managed_io == 0) {
			packstr(msg->ofname, buffer);
			packstr(msg->efname, buffer);
			packstr(msg->ifname, buffer);
			pack8(msg->buffered_stdio, buffer);
			pack8(msg->labelio, buffer);
			pack16(msg->num_io_port, buffer);
			for (i = 0; i < msg->num_io_port; i++)
				pack16(msg->io_port[i], buffer);
		}
		packstr(msg->task_prolog, buffer);
		packstr(msg->task_epilog, buffer);
		pack16(msg->slurmd_debug, buffer);
		switch_pack_jobinfo(msg->switch_job, buffer);
		job_options_pack(msg->options, buffer);
		packstr(msg->alias_list, buffer);
		packstr(msg->complete_nodelist, buffer);

		pack8(msg->open_mode, buffer);
		pack8(msg->pty, buffer);
		pack16(msg->acctg_freq, buffer);
		packstr(msg->ckpt_dir, buffer);
		packstr(msg->restart_dir, buffer);
		if (!(cluster_flags & CLUSTER_FLAG_BG)) {
			/* If on a Blue Gene cluster do not send this to the
			 * slurmstepd, it will overwrite the environment that
			 * ia already set up correctly for both the job and the
			 * step. The slurmstep treats this select_jobinfo as if
			 * were for the job  instead of for the step.
			 */
			select_g_select_jobinfo_pack(msg->select_jobinfo,
						     buffer,
						     protocol_version);
		}
	} else if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		pack32(msg->job_id, buffer);
		pack32(msg->job_step_id, buffer);
		pack32(msg->ntasks, buffer);
		pack32(msg->uid, buffer);
		pack32(msg->gid, buffer);
		pack32(msg->job_mem_lim, buffer);
		pack32(msg->step_mem_lim, buffer);

		pack32(msg->nnodes, buffer);
		pack16(msg->cpus_per_task, buffer);
		pack16(msg->task_dist, buffer);

		slurm_cred_pack(msg->cred, buffer);
		for(i=0; i<msg->nnodes; i++) {
			pack16(msg->tasks_to_launch[i], buffer);
			pack16(msg->cpus_allocated[i], buffer);
			pack32_array(msg->global_task_ids[i],
				     (uint32_t) msg->tasks_to_launch[i],
				     buffer);
		}
		pack16(msg->num_resp_port, buffer);
		for(i = 0; i < msg->num_resp_port; i++)
			pack16(msg->resp_port[i], buffer);
		slurm_pack_slurm_addr(&msg->orig_addr, buffer);
		packstr_array(msg->env, msg->envc, buffer);
		packstr_array(msg->spank_job_env, msg->spank_job_env_size,
			      buffer);
		packstr(msg->cwd, buffer);
		pack16(msg->cpu_bind_type, buffer);
		packstr(msg->cpu_bind, buffer);
		pack16(msg->mem_bind_type, buffer);
		packstr(msg->mem_bind, buffer);
		packstr_array(msg->argv, msg->argc, buffer);
		pack16(msg->task_flags, buffer);
		pack16(msg->multi_prog, buffer);
		pack16(msg->user_managed_io, buffer);
		if (msg->user_managed_io == 0) {
			packstr(msg->ofname, buffer);
			packstr(msg->efname, buffer);
			packstr(msg->ifname, buffer);
			pack8(msg->buffered_stdio, buffer);
			pack8(msg->labelio, buffer);
			pack16(msg->num_io_port, buffer);
			for(i = 0; i < msg->num_io_port; i++)
				pack16(msg->io_port[i], buffer);
		}
		packstr(msg->task_prolog, buffer);
		packstr(msg->task_epilog, buffer);
		pack16(msg->slurmd_debug, buffer);
		switch_pack_jobinfo(msg->switch_job, buffer);
		job_options_pack(msg->options, buffer);
		packstr(msg->complete_nodelist, buffer);

		pack8(msg->open_mode, buffer);
		pack8(msg->pty, buffer);
		pack16(msg->acctg_freq, buffer);
		packstr(msg->ckpt_dir, buffer);
		packstr(msg->restart_dir, buffer);
		if (!(cluster_flags & CLUSTER_FLAG_BG)) {
			/* If on a Blue Gene cluster do not send this to the
			   slurmstepd, it will overwrite the environment that is
			   already set up correctly for both the job
			   and the step.  The slurmstep treats this
			   select_jobinfo as if it were for the job
			   instead of for the step.
			*/
			select_g_select_jobinfo_pack(msg->select_jobinfo,
						     buffer,
						     protocol_version);
		}
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		pack32(msg->job_id, buffer);
		pack32(msg->job_step_id, buffer);
		pack32(msg->ntasks, buffer);
		pack32(msg->uid, buffer);
		pack32(msg->gid, buffer);
		pack32(msg->job_mem_lim, buffer);
		pack32(msg->step_mem_lim, buffer);

		pack32(msg->nnodes, buffer);
		pack16(msg->cpus_per_task, buffer);
		pack16(msg->task_dist, buffer);

		slurm_cred_pack(msg->cred, buffer);
		for(i=0; i<msg->nnodes; i++) {
			pack16(msg->tasks_to_launch[i], buffer);
			pack16(msg->cpus_allocated[i], buffer);
			pack32_array(msg->global_task_ids[i],
				     (uint32_t) msg->tasks_to_launch[i],
				     buffer);
		}
		pack16(msg->num_resp_port, buffer);
		for(i = 0; i < msg->num_resp_port; i++)
			pack16(msg->resp_port[i], buffer);
		slurm_pack_slurm_addr(&msg->orig_addr, buffer);
		packstr_array(msg->env, msg->envc, buffer);
		packstr_array(msg->spank_job_env, msg->spank_job_env_size,
			      buffer);
		packstr(msg->cwd, buffer);
		pack16(msg->cpu_bind_type, buffer);
		packstr(msg->cpu_bind, buffer);
		pack16(msg->mem_bind_type, buffer);
		packstr(msg->mem_bind, buffer);
		packstr_array(msg->argv, msg->argc, buffer);
		pack16(msg->task_flags, buffer);
		pack16(msg->multi_prog, buffer);
		pack16(msg->user_managed_io, buffer);
		if (msg->user_managed_io == 0) {
			packstr(msg->ofname, buffer);
			packstr(msg->efname, buffer);
			packstr(msg->ifname, buffer);
			pack8(msg->buffered_stdio, buffer);
			pack8(msg->labelio, buffer);
			pack16(msg->num_io_port, buffer);
			for(i = 0; i < msg->num_io_port; i++)
				pack16(msg->io_port[i], buffer);
		}
		packstr(msg->task_prolog, buffer);
		packstr(msg->task_epilog, buffer);
		pack16(msg->slurmd_debug, buffer);
		switch_pack_jobinfo(msg->switch_job, buffer);
		job_options_pack(msg->options, buffer);
		packstr(msg->complete_nodelist, buffer);

		pack8(msg->open_mode, buffer);
		pack8(msg->pty, buffer);
		pack16(msg->acctg_freq, buffer);
		packstr(msg->ckpt_dir, buffer);
		packstr(msg->restart_dir, buffer);
	} else {
		pack32(msg->job_id, buffer);
		pack32(msg->job_step_id, buffer);
		pack32(msg->ntasks, buffer);
		pack32(msg->uid, buffer);
		pack32(msg->gid, buffer);
		pack32(msg->job_mem_lim, buffer);

		pack32(msg->nnodes, buffer);
		pack16(msg->cpus_per_task, buffer);
		pack16(msg->task_dist, buffer);

		slurm_cred_pack(msg->cred, buffer);
		for(i=0; i<msg->nnodes; i++) {
			pack16(msg->tasks_to_launch[i], buffer);
			pack16(msg->cpus_allocated[i], buffer);
			pack32_array(msg->global_task_ids[i],
				     (uint32_t) msg->tasks_to_launch[i],
				     buffer);
		}
		pack16(msg->num_resp_port, buffer);
		for(i = 0; i < msg->num_resp_port; i++)
			pack16(msg->resp_port[i], buffer);
		slurm_pack_slurm_addr(&msg->orig_addr, buffer);
		packstr_array(msg->env, msg->envc, buffer);
		packstr_array(msg->spank_job_env, msg->spank_job_env_size,
			      buffer);
		packstr(msg->cwd, buffer);
		pack16(msg->cpu_bind_type, buffer);
		packstr(msg->cpu_bind, buffer);
		pack16(msg->mem_bind_type, buffer);
		packstr(msg->mem_bind, buffer);
		packstr_array(msg->argv, msg->argc, buffer);
		pack16(msg->task_flags, buffer);
		pack16(msg->multi_prog, buffer);
		pack16(msg->user_managed_io, buffer);
		if (msg->user_managed_io == 0) {
			packstr(msg->ofname, buffer);
			packstr(msg->efname, buffer);
			packstr(msg->ifname, buffer);
			pack8(msg->buffered_stdio, buffer);
			pack8(msg->labelio, buffer);
			pack16(msg->num_io_port, buffer);
			for(i = 0; i < msg->num_io_port; i++)
				pack16(msg->io_port[i], buffer);
		}
		packstr(msg->task_prolog, buffer);
		packstr(msg->task_epilog, buffer);
		pack16(msg->slurmd_debug, buffer);
		switch_pack_jobinfo(msg->switch_job, buffer);
		job_options_pack(msg->options, buffer);
		packstr(msg->complete_nodelist, buffer);

		pack8(msg->open_mode, buffer);
		pack8(msg->pty, buffer);
		pack16(msg->acctg_freq, buffer);
		packstr(msg->ckpt_dir, buffer);
		packstr(msg->restart_dir, buffer);
	}
}

static int
_unpack_launch_tasks_request_msg(launch_tasks_request_msg_t **
				 msg_ptr, Buf buffer,
				 uint16_t protocol_version)
{
	uint32_t cluster_flags = slurmdb_setup_cluster_flags();
	uint32_t uint32_tmp;
	launch_tasks_request_msg_t *msg;
	int i = 0;

	xassert(msg_ptr != NULL);
	msg = xmalloc(sizeof(launch_tasks_request_msg_t));
	*msg_ptr = msg;

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		safe_unpack32(&msg->job_id, buffer);
		safe_unpack32(&msg->job_step_id, buffer);
		safe_unpack32(&msg->ntasks, buffer);
		safe_unpack32(&msg->uid, buffer);
		safe_unpack32(&msg->gid, buffer);
		safe_unpack32(&msg->job_mem_lim, buffer);
		safe_unpack32(&msg->step_mem_lim, buffer);

		safe_unpack32(&msg->nnodes, buffer);
		safe_unpack16(&msg->cpus_per_task, buffer);
		safe_unpack16(&msg->task_dist, buffer);

		if (!(msg->cred = slurm_cred_unpack(buffer, protocol_version)))
			goto unpack_error;
		msg->tasks_to_launch = xmalloc(sizeof(uint16_t) * msg->nnodes);
		msg->cpus_allocated = xmalloc(sizeof(uint16_t) * msg->nnodes);
		msg->global_task_ids = xmalloc(sizeof(uint32_t *) *
					       msg->nnodes);
		for (i = 0; i < msg->nnodes; i++) {
			safe_unpack16(&msg->tasks_to_launch[i], buffer);
			safe_unpack16(&msg->cpus_allocated[i], buffer);
			safe_unpack32_array(&msg->global_task_ids[i],
					    &uint32_tmp,
					    buffer);
			if (msg->tasks_to_launch[i] != (uint16_t) uint32_tmp)
				goto unpack_error;
		}
		safe_unpack16(&msg->num_resp_port, buffer);
		if (msg->num_resp_port > 0) {
			msg->resp_port = xmalloc(sizeof(uint16_t) *
						 msg->num_resp_port);
			for (i = 0; i < msg->num_resp_port; i++)
				safe_unpack16(&msg->resp_port[i], buffer);
		}
		slurm_unpack_slurm_addr_no_alloc(&msg->orig_addr, buffer);
		safe_unpackstr_array(&msg->env, &msg->envc, buffer);
		safe_unpackstr_array(&msg->spank_job_env,
				     &msg->spank_job_env_size, buffer);
		safe_unpackstr_xmalloc(&msg->cwd, &uint32_tmp, buffer);
		safe_unpack16(&msg->cpu_bind_type, buffer);
		safe_unpackstr_xmalloc(&msg->cpu_bind, &uint32_tmp, buffer);
		safe_unpack16(&msg->mem_bind_type, buffer);
		safe_unpackstr_xmalloc(&msg->mem_bind, &uint32_tmp, buffer);
		safe_unpackstr_array(&msg->argv, &msg->argc, buffer);
		safe_unpack16(&msg->task_flags, buffer);
		safe_unpack16(&msg->multi_prog, buffer);
		safe_unpack16(&msg->user_managed_io, buffer);
		if (msg->user_managed_io == 0) {
			safe_unpackstr_xmalloc(&msg->ofname, &uint32_tmp,
					       buffer);
			safe_unpackstr_xmalloc(&msg->efname, &uint32_tmp,
					       buffer);
			safe_unpackstr_xmalloc(&msg->ifname, &uint32_tmp,
					       buffer);
			safe_unpack8(&msg->buffered_stdio, buffer);
			safe_unpack8(&msg->labelio, buffer);
			safe_unpack16(&msg->num_io_port, buffer);
			if (msg->num_io_port > 0) {
				msg->io_port = xmalloc(sizeof(uint16_t) *
						       msg->num_io_port);
				for (i = 0; i < msg->num_io_port; i++)
					safe_unpack16(&msg->io_port[i],
						      buffer);
			}
		}
		safe_unpackstr_xmalloc(&msg->task_prolog, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg->task_epilog, &uint32_tmp, buffer);
		safe_unpack16(&msg->slurmd_debug, buffer);

		switch_alloc_jobinfo(&msg->switch_job);
		if (switch_unpack_jobinfo(msg->switch_job, buffer) < 0) {
			error("switch_unpack_jobinfo: %m");
			switch_free_jobinfo(msg->switch_job);
			goto unpack_error;
		}
		msg->options = job_options_create();
		if (job_options_unpack(msg->options, buffer) < 0) {
			error("Unable to unpack extra job options: %m");
			goto unpack_error;
		}
		safe_unpackstr_xmalloc(&msg->alias_list, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg->complete_nodelist, &uint32_tmp,
				       buffer);

		safe_unpack8(&msg->open_mode, buffer);
		safe_unpack8(&msg->pty, buffer);
		safe_unpack16(&msg->acctg_freq, buffer);
		safe_unpackstr_xmalloc(&msg->ckpt_dir, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg->restart_dir, &uint32_tmp, buffer);
		if (!(cluster_flags & CLUSTER_FLAG_BG)) {
			select_g_select_jobinfo_unpack(&msg->select_jobinfo,
						       buffer,
						       protocol_version);
		}
	} else if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		safe_unpack32(&msg->job_id, buffer);
		safe_unpack32(&msg->job_step_id, buffer);
		safe_unpack32(&msg->ntasks, buffer);
		safe_unpack32(&msg->uid, buffer);
		safe_unpack32(&msg->gid, buffer);
		safe_unpack32(&msg->job_mem_lim, buffer);
		safe_unpack32(&msg->step_mem_lim, buffer);

		safe_unpack32(&msg->nnodes, buffer);
		safe_unpack16(&msg->cpus_per_task, buffer);
		safe_unpack16(&msg->task_dist, buffer);

		if (!(msg->cred = slurm_cred_unpack(buffer, protocol_version)))
			goto unpack_error;
		msg->tasks_to_launch = xmalloc(sizeof(uint16_t) * msg->nnodes);
		msg->cpus_allocated = xmalloc(sizeof(uint16_t) * msg->nnodes);
		msg->global_task_ids = xmalloc(sizeof(uint32_t *) *
					       msg->nnodes);
		for(i=0; i<msg->nnodes; i++) {
			safe_unpack16(&msg->tasks_to_launch[i], buffer);
			safe_unpack16(&msg->cpus_allocated[i], buffer);
			safe_unpack32_array(&msg->global_task_ids[i],
					    &uint32_tmp,
					    buffer);
			if (msg->tasks_to_launch[i] != (uint16_t) uint32_tmp)
				goto unpack_error;
		}
		safe_unpack16(&msg->num_resp_port, buffer);
		if (msg->num_resp_port > 0) {
			msg->resp_port = xmalloc(sizeof(uint16_t) *
						 msg->num_resp_port);
			for (i = 0; i < msg->num_resp_port; i++)
				safe_unpack16(&msg->resp_port[i], buffer);
		}
		slurm_unpack_slurm_addr_no_alloc(&msg->orig_addr, buffer);
		safe_unpackstr_array(&msg->env, &msg->envc, buffer);
		safe_unpackstr_array(&msg->spank_job_env,
				     &msg->spank_job_env_size, buffer);
		safe_unpackstr_xmalloc(&msg->cwd, &uint32_tmp, buffer);
		safe_unpack16(&msg->cpu_bind_type, buffer);
		safe_unpackstr_xmalloc(&msg->cpu_bind, &uint32_tmp, buffer);
		safe_unpack16(&msg->mem_bind_type, buffer);
		safe_unpackstr_xmalloc(&msg->mem_bind, &uint32_tmp, buffer);
		safe_unpackstr_array(&msg->argv, &msg->argc, buffer);
		safe_unpack16(&msg->task_flags, buffer);
		safe_unpack16(&msg->multi_prog, buffer);
		safe_unpack16(&msg->user_managed_io, buffer);
		if (msg->user_managed_io == 0) {
			safe_unpackstr_xmalloc(&msg->ofname, &uint32_tmp,
					       buffer);
			safe_unpackstr_xmalloc(&msg->efname, &uint32_tmp,
					       buffer);
			safe_unpackstr_xmalloc(&msg->ifname, &uint32_tmp,
					       buffer);
			safe_unpack8(&msg->buffered_stdio, buffer);
			safe_unpack8(&msg->labelio, buffer);
			safe_unpack16(&msg->num_io_port, buffer);
			if (msg->num_io_port > 0) {
				msg->io_port = xmalloc(sizeof(uint16_t) *
						       msg->num_io_port);
				for (i = 0; i < msg->num_io_port; i++)
					safe_unpack16(&msg->io_port[i],
						      buffer);
			}
		}
		safe_unpackstr_xmalloc(&msg->task_prolog, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg->task_epilog, &uint32_tmp, buffer);
		safe_unpack16(&msg->slurmd_debug, buffer);

		switch_alloc_jobinfo(&msg->switch_job);
		if (switch_unpack_jobinfo(msg->switch_job, buffer) < 0) {
			error("switch_unpack_jobinfo: %m");
			switch_free_jobinfo(msg->switch_job);
			goto unpack_error;
		}
		msg->options = job_options_create();
		if (job_options_unpack(msg->options, buffer) < 0) {
			error("Unable to unpack extra job options: %m");
			goto unpack_error;
		}
		safe_unpackstr_xmalloc(&msg->complete_nodelist, &uint32_tmp,
				       buffer);

		safe_unpack8(&msg->open_mode, buffer);
		safe_unpack8(&msg->pty, buffer);
		safe_unpack16(&msg->acctg_freq, buffer);
		safe_unpackstr_xmalloc(&msg->ckpt_dir, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg->restart_dir, &uint32_tmp, buffer);
		if (!(cluster_flags & CLUSTER_FLAG_BG)) {
			select_g_select_jobinfo_unpack(&msg->select_jobinfo,
						       buffer,
						       protocol_version);
		}
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpack32(&msg->job_id, buffer);
		safe_unpack32(&msg->job_step_id, buffer);
		safe_unpack32(&msg->ntasks, buffer);
		safe_unpack32(&msg->uid, buffer);
		safe_unpack32(&msg->gid, buffer);
		safe_unpack32(&msg->job_mem_lim, buffer);
		safe_unpack32(&msg->step_mem_lim, buffer);

		safe_unpack32(&msg->nnodes, buffer);
		safe_unpack16(&msg->cpus_per_task, buffer);
		safe_unpack16(&msg->task_dist, buffer);

		if (!(msg->cred = slurm_cred_unpack(buffer, protocol_version)))
			goto unpack_error;
		msg->tasks_to_launch = xmalloc(sizeof(uint16_t) * msg->nnodes);
		msg->cpus_allocated = xmalloc(sizeof(uint16_t) * msg->nnodes);
		msg->global_task_ids = xmalloc(sizeof(uint32_t *) *
					       msg->nnodes);
		for(i=0; i<msg->nnodes; i++) {
			safe_unpack16(&msg->tasks_to_launch[i], buffer);
			safe_unpack16(&msg->cpus_allocated[i], buffer);
			safe_unpack32_array(&msg->global_task_ids[i],
					    &uint32_tmp,
					    buffer);
			if (msg->tasks_to_launch[i] != (uint16_t) uint32_tmp)
				goto unpack_error;
		}
		safe_unpack16(&msg->num_resp_port, buffer);
		if (msg->num_resp_port > 0) {
			msg->resp_port = xmalloc(sizeof(uint16_t) *
						 msg->num_resp_port);
			for (i = 0; i < msg->num_resp_port; i++)
				safe_unpack16(&msg->resp_port[i], buffer);
		}
		slurm_unpack_slurm_addr_no_alloc(&msg->orig_addr, buffer);
		safe_unpackstr_array(&msg->env, &msg->envc, buffer);
		safe_unpackstr_array(&msg->spank_job_env,
				     &msg->spank_job_env_size, buffer);
		safe_unpackstr_xmalloc(&msg->cwd, &uint32_tmp, buffer);
		safe_unpack16(&msg->cpu_bind_type, buffer);
		safe_unpackstr_xmalloc(&msg->cpu_bind, &uint32_tmp, buffer);
		safe_unpack16(&msg->mem_bind_type, buffer);
		safe_unpackstr_xmalloc(&msg->mem_bind, &uint32_tmp, buffer);
		safe_unpackstr_array(&msg->argv, &msg->argc, buffer);
		safe_unpack16(&msg->task_flags, buffer);
		safe_unpack16(&msg->multi_prog, buffer);
		safe_unpack16(&msg->user_managed_io, buffer);
		if (msg->user_managed_io == 0) {
			safe_unpackstr_xmalloc(&msg->ofname, &uint32_tmp,
					       buffer);
			safe_unpackstr_xmalloc(&msg->efname, &uint32_tmp,
					       buffer);
			safe_unpackstr_xmalloc(&msg->ifname, &uint32_tmp,
					       buffer);
			safe_unpack8(&msg->buffered_stdio, buffer);
			safe_unpack8(&msg->labelio, buffer);
			safe_unpack16(&msg->num_io_port, buffer);
			if (msg->num_io_port > 0) {
				msg->io_port = xmalloc(sizeof(uint16_t) *
						       msg->num_io_port);
				for (i = 0; i < msg->num_io_port; i++)
					safe_unpack16(&msg->io_port[i],
						      buffer);
			}
		}
		safe_unpackstr_xmalloc(&msg->task_prolog, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg->task_epilog, &uint32_tmp, buffer);
		safe_unpack16(&msg->slurmd_debug, buffer);

		switch_alloc_jobinfo(&msg->switch_job);
		if (switch_unpack_jobinfo(msg->switch_job, buffer) < 0) {
			error("switch_unpack_jobinfo: %m");
			switch_free_jobinfo(msg->switch_job);
			goto unpack_error;
		}
		msg->options = job_options_create();
		if (job_options_unpack(msg->options, buffer) < 0) {
			error("Unable to unpack extra job options: %m");
			goto unpack_error;
		}
		safe_unpackstr_xmalloc(&msg->complete_nodelist, &uint32_tmp,
				       buffer);

		safe_unpack8(&msg->open_mode, buffer);
		safe_unpack8(&msg->pty, buffer);
		safe_unpack16(&msg->acctg_freq, buffer);
		safe_unpackstr_xmalloc(&msg->ckpt_dir, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg->restart_dir, &uint32_tmp, buffer);
	} else {
		safe_unpack32(&msg->job_id, buffer);
		safe_unpack32(&msg->job_step_id, buffer);
		safe_unpack32(&msg->ntasks, buffer);
		safe_unpack32(&msg->uid, buffer);
		safe_unpack32(&msg->gid, buffer);
		safe_unpack32(&msg->job_mem_lim, buffer);

		safe_unpack32(&msg->nnodes, buffer);
		safe_unpack16(&msg->cpus_per_task, buffer);
		safe_unpack16(&msg->task_dist, buffer);

		if (!(msg->cred = slurm_cred_unpack(buffer, protocol_version)))
			goto unpack_error;
		msg->tasks_to_launch = xmalloc(sizeof(uint16_t) * msg->nnodes);
		msg->cpus_allocated = xmalloc(sizeof(uint16_t) * msg->nnodes);
		msg->global_task_ids = xmalloc(sizeof(uint32_t *) *
					       msg->nnodes);
		for(i=0; i<msg->nnodes; i++) {
			safe_unpack16(&msg->tasks_to_launch[i], buffer);
			safe_unpack16(&msg->cpus_allocated[i], buffer);
			safe_unpack32_array(&msg->global_task_ids[i],
					    &uint32_tmp,
					    buffer);
			if (msg->tasks_to_launch[i] != (uint16_t) uint32_tmp)
				goto unpack_error;
		}
		safe_unpack16(&msg->num_resp_port, buffer);
		if (msg->num_resp_port > 0) {
			msg->resp_port = xmalloc(sizeof(uint16_t) *
						 msg->num_resp_port);
			for (i = 0; i < msg->num_resp_port; i++)
				safe_unpack16(&msg->resp_port[i], buffer);
		}
		slurm_unpack_slurm_addr_no_alloc(&msg->orig_addr, buffer);
		safe_unpackstr_array(&msg->env, &msg->envc, buffer);
		safe_unpackstr_array(&msg->spank_job_env,
				     &msg->spank_job_env_size, buffer);
		safe_unpackstr_xmalloc(&msg->cwd, &uint32_tmp, buffer);
		safe_unpack16(&msg->cpu_bind_type, buffer);
		safe_unpackstr_xmalloc(&msg->cpu_bind, &uint32_tmp, buffer);
		safe_unpack16(&msg->mem_bind_type, buffer);
		safe_unpackstr_xmalloc(&msg->mem_bind, &uint32_tmp, buffer);
		safe_unpackstr_array(&msg->argv, &msg->argc, buffer);
		safe_unpack16(&msg->task_flags, buffer);
		safe_unpack16(&msg->multi_prog, buffer);
		safe_unpack16(&msg->user_managed_io, buffer);
		if (msg->user_managed_io == 0) {
			safe_unpackstr_xmalloc(&msg->ofname, &uint32_tmp,
					       buffer);
			safe_unpackstr_xmalloc(&msg->efname, &uint32_tmp,
					       buffer);
			safe_unpackstr_xmalloc(&msg->ifname, &uint32_tmp,
					       buffer);
			safe_unpack8(&msg->buffered_stdio, buffer);
			safe_unpack8(&msg->labelio, buffer);
			safe_unpack16(&msg->num_io_port, buffer);
			if (msg->num_io_port > 0) {
				msg->io_port = xmalloc(sizeof(uint16_t) *
						       msg->num_io_port);
				for (i = 0; i < msg->num_io_port; i++)
					safe_unpack16(&msg->io_port[i],
						      buffer);
			}
		}
		safe_unpackstr_xmalloc(&msg->task_prolog, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg->task_epilog, &uint32_tmp, buffer);
		safe_unpack16(&msg->slurmd_debug, buffer);

		switch_alloc_jobinfo(&msg->switch_job);
		if (switch_unpack_jobinfo(msg->switch_job, buffer) < 0) {
			error("switch_unpack_jobinfo: %m");
			switch_free_jobinfo(msg->switch_job);
			goto unpack_error;
		}
		msg->options = job_options_create();
		if (job_options_unpack(msg->options, buffer) < 0) {
			error("Unable to unpack extra job options: %m");
			goto unpack_error;
		}
		safe_unpackstr_xmalloc(&msg->complete_nodelist, &uint32_tmp,
				       buffer);

		safe_unpack8(&msg->open_mode, buffer);
		safe_unpack8(&msg->pty, buffer);
		safe_unpack16(&msg->acctg_freq, buffer);
		safe_unpackstr_xmalloc(&msg->ckpt_dir, &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg->restart_dir, &uint32_tmp, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_launch_tasks_request_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_task_user_managed_io_stream_msg(task_user_managed_io_msg_t * msg,
				      Buf buffer,
				      uint16_t protocol_version)
{
	xassert(msg != NULL);
	pack32(msg->task_id, buffer);
}

static int
_unpack_task_user_managed_io_stream_msg(task_user_managed_io_msg_t **msg_ptr,
					Buf buffer,
					uint16_t protocol_version)
{
	task_user_managed_io_msg_t *msg;

	xassert(msg_ptr != NULL);
	msg = xmalloc(sizeof(task_user_managed_io_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->task_id, buffer);

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_task_user_managed_io_stream_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_cancel_tasks_msg(kill_tasks_msg_t * msg, Buf buffer,
		       uint16_t protocol_version)
{
	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		pack32((uint32_t)msg->job_id, buffer);
		pack32((uint32_t)msg->job_step_id, buffer);
		pack32((uint32_t)msg->signal, buffer);
	}
}

static int
_unpack_cancel_tasks_msg(kill_tasks_msg_t ** msg_ptr, Buf buffer,
			 uint16_t protocol_version)
{
	kill_tasks_msg_t *msg;

	msg = xmalloc(sizeof(kill_tasks_msg_t));
	*msg_ptr = msg;

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&msg->job_id, buffer);
		safe_unpack32(&msg->job_step_id, buffer);
		safe_unpack32(&msg->signal, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_kill_tasks_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_checkpoint_tasks_msg(checkpoint_tasks_msg_t * msg, Buf buffer,
			   uint16_t protocol_version)
{
	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		pack32(msg->job_id, buffer);
		pack32(msg->job_step_id, buffer);
		pack_time(msg->timestamp, buffer);
		packstr(msg->image_dir, buffer);
	}
}

static int
_unpack_checkpoint_tasks_msg(checkpoint_tasks_msg_t ** msg_ptr, Buf buffer,
			     uint16_t protocol_version)
{
	checkpoint_tasks_msg_t *msg;
	uint32_t uint32_tmp;

	msg = xmalloc(sizeof(checkpoint_tasks_msg_t));
	*msg_ptr = msg;

	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&msg->job_id, buffer);
		safe_unpack32(&msg->job_step_id, buffer);
		safe_unpack_time(&msg->timestamp, buffer);
		safe_unpackstr_xmalloc(&msg->image_dir, &uint32_tmp, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_checkpoint_tasks_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_reboot_msg(reboot_msg_t * msg, Buf buffer,
		 uint16_t protocol_version)
{
	if (msg && msg->node_list)
		packstr(msg->node_list, buffer);
	else
		packnull(buffer);
}

static int
_unpack_reboot_msg(reboot_msg_t ** msg_ptr, Buf buffer,
		   uint16_t protocol_version)
 {
	reboot_msg_t *msg;
	uint32_t uint32_tmp;

	msg = xmalloc(sizeof(reboot_msg_t));
	*msg_ptr = msg;

	safe_unpackstr_xmalloc(&msg->node_list, &uint32_tmp, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_reboot_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_shutdown_msg(shutdown_msg_t * msg, Buf buffer,
		   uint16_t protocol_version)
{
	pack16((uint16_t)msg->options, buffer);
}

static int
_unpack_shutdown_msg(shutdown_msg_t ** msg_ptr, Buf buffer,
		     uint16_t protocol_version)
{
	shutdown_msg_t *msg;

	msg = xmalloc(sizeof(shutdown_msg_t));
	*msg_ptr = msg;

	safe_unpack16(&msg->options, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_shutdown_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

/* _pack_job_step_kill_msg
 * packs a slurm job step signal message
 * IN msg - pointer to the job step signal message
 * IN/OUT buffer - destination of the pack, contains pointers that are
 *			automatically updated
 */
static void
_pack_job_step_kill_msg(job_step_kill_msg_t * msg, Buf buffer,
			uint16_t protocol_version)
{
	pack32((uint32_t)msg->job_id, buffer);
	pack32((uint32_t)msg->job_step_id, buffer);
	pack16((uint16_t)msg->signal, buffer);
	pack16((uint16_t)msg->batch_flag, buffer);
}

/* _unpack_job_step_kill_msg
 * unpacks a slurm job step signal message
 * OUT msg_ptr - pointer to the job step signal message buffer
 * IN/OUT buffer - source of the unpack, contains pointers that are
 *			automatically updated
 */
static int
_unpack_job_step_kill_msg(job_step_kill_msg_t ** msg_ptr, Buf buffer,
			  uint16_t protocol_version)
{
	job_step_kill_msg_t *msg;

	msg = xmalloc(sizeof(job_step_kill_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id, buffer);
	safe_unpack32(&msg->job_step_id, buffer);
	safe_unpack16(&msg->signal, buffer);
	safe_unpack16(&msg->batch_flag, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_step_kill_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_update_job_step_msg(step_update_request_msg_t * msg, Buf buffer,
			  uint16_t protocol_version)
{
	pack32(msg->job_id, buffer);
	pack32(msg->step_id, buffer);
	pack32(msg->time_limit, buffer);
}

static int
_unpack_update_job_step_msg(step_update_request_msg_t ** msg_ptr, Buf buffer,
			    uint16_t protocol_version)
{
	step_update_request_msg_t *msg;

	msg = xmalloc(sizeof(step_update_request_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id, buffer);
	safe_unpack32(&msg->step_id, buffer);
	safe_unpack32(&msg->time_limit, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_update_step_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_complete_job_allocation_msg(
	complete_job_allocation_msg_t * msg, Buf buffer,
	uint16_t protocol_version)
{
	pack32((uint32_t)msg->job_id, buffer);
	pack32((uint32_t)msg->job_rc, buffer);
}

static int
_unpack_complete_job_allocation_msg(
	complete_job_allocation_msg_t ** msg_ptr, Buf buffer,
	uint16_t protocol_version)
{
	complete_job_allocation_msg_t *msg;

	msg = xmalloc(sizeof(complete_job_allocation_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id, buffer);
	safe_unpack32(&msg->job_rc, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_complete_job_allocation_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_complete_batch_script_msg(
	complete_batch_script_msg_t * msg, Buf buffer,
	uint16_t protocol_version)
{
	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		jobacct_gather_g_pack(msg->jobacct, protocol_version, buffer);
		pack32((uint32_t)msg->job_id, buffer);
		pack32((uint32_t)msg->job_rc, buffer);
		pack32((uint32_t)msg->slurm_rc, buffer);
		packstr(msg->node_name, buffer);
	} else {
		pack32((uint32_t)msg->job_id, buffer);
		pack32((uint32_t)msg->job_rc, buffer);
		pack32((uint32_t)msg->slurm_rc, buffer);
		packstr(msg->node_name, buffer);
	}
}

static int
_unpack_complete_batch_script_msg(
	complete_batch_script_msg_t ** msg_ptr, Buf buffer,
	uint16_t protocol_version)
{
	complete_batch_script_msg_t *msg;
	uint32_t uint32_tmp;

	msg = xmalloc(sizeof(complete_batch_script_msg_t));
	*msg_ptr = msg;

	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		if (jobacct_gather_g_unpack(&msg->jobacct,
					    protocol_version, buffer)
		    != SLURM_SUCCESS)
			goto unpack_error;
		safe_unpack32(&msg->job_id, buffer);
		safe_unpack32(&msg->job_rc, buffer);
		safe_unpack32(&msg->slurm_rc, buffer);
		safe_unpackstr_xmalloc(&msg->node_name, &uint32_tmp, buffer);
	} else {
		safe_unpack32(&msg->job_id, buffer);
		safe_unpack32(&msg->job_rc, buffer);
		safe_unpack32(&msg->slurm_rc, buffer);
		safe_unpackstr_xmalloc(&msg->node_name, &uint32_tmp, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_complete_batch_script_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_step_stat(job_step_stat_t * msg, Buf buffer,
		    uint16_t protocol_version)
{
	pack32((uint32_t)msg->return_code, buffer);
	pack32((uint32_t)msg->num_tasks, buffer);
	jobacct_gather_g_pack(msg->jobacct, protocol_version, buffer);
	_pack_job_step_pids(msg->step_pids, buffer, protocol_version);
}


static int
_unpack_job_step_stat(job_step_stat_t ** msg_ptr, Buf buffer,
		      uint16_t protocol_version)
{
	job_step_stat_t *msg;
	int rc = SLURM_SUCCESS;

	msg = xmalloc(sizeof(job_step_stat_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->return_code, buffer);
	safe_unpack32(&msg->num_tasks, buffer);
	if (jobacct_gather_g_unpack(&msg->jobacct, protocol_version, buffer)
	    != SLURM_SUCCESS)
		goto unpack_error;
	rc = _unpack_job_step_pids(&msg->step_pids, buffer, protocol_version);

	return rc;

unpack_error:
	slurm_free_job_step_stat(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_step_id_msg(job_step_id_msg_t * msg, Buf buffer,
		      uint16_t protocol_version)
{
	pack32((uint32_t)msg->job_id, buffer);
	pack32((uint32_t)msg->step_id, buffer);
}


static int
_unpack_job_step_id_msg(job_step_id_msg_t ** msg_ptr, Buf buffer,
			uint16_t protocol_version)
{
	job_step_id_msg_t *msg;

	msg = xmalloc(sizeof(job_step_id_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id, buffer);
	safe_unpack32(&msg->step_id, buffer);

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_step_id_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_step_pids(job_step_pids_t *msg, Buf buffer,
		    uint16_t protocol_version)
{
	if(!msg) {
		packnull(buffer);
		pack32(0, buffer);
		return;
	}
	packstr(msg->node_name, buffer);
	pack32_array(msg->pid, msg->pid_cnt, buffer);
}

static int
_unpack_job_step_pids(job_step_pids_t **msg_ptr, Buf buffer,
		      uint16_t protocol_version)
{
	job_step_pids_t *msg;
	uint32_t uint32_tmp;

	msg = xmalloc(sizeof(job_step_pids_t));
	*msg_ptr = msg;

	safe_unpackstr_xmalloc(&msg->node_name, &uint32_tmp, buffer);
	safe_unpack32_array(&msg->pid, &msg->pid_cnt, buffer);

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_step_pids(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_step_complete_msg(step_complete_msg_t * msg, Buf buffer,
			uint16_t protocol_version)
{
	pack32((uint32_t)msg->job_id, buffer);
	pack32((uint32_t)msg->job_step_id, buffer);
	pack32((uint32_t)msg->range_first, buffer);
	pack32((uint32_t)msg->range_last, buffer);
	pack32((uint32_t)msg->step_rc, buffer);
	jobacct_gather_g_pack(msg->jobacct, protocol_version, buffer);
}

static int
_unpack_step_complete_msg(step_complete_msg_t ** msg_ptr, Buf buffer,
			  uint16_t protocol_version)
{
	step_complete_msg_t *msg;

	msg = xmalloc(sizeof(step_complete_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id, buffer);
	safe_unpack32(&msg->job_step_id, buffer);
	safe_unpack32(&msg->range_first, buffer);
	safe_unpack32(&msg->range_last, buffer);
	safe_unpack32(&msg->step_rc, buffer);
	if (jobacct_gather_g_unpack(&msg->jobacct, protocol_version, buffer)
	    != SLURM_SUCCESS)
		goto unpack_error;

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_step_complete_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_info_request_msg(job_info_request_msg_t * msg, Buf buffer,
			   uint16_t protocol_version)
{
	pack_time(msg->last_update, buffer);
	pack16((uint16_t)msg->show_flags, buffer);
}

static int
_unpack_job_info_request_msg(job_info_request_msg_t** msg,
			     Buf buffer,
			     uint16_t protocol_version)
{
	job_info_request_msg_t*job_info;

	job_info = xmalloc(sizeof(job_step_info_request_msg_t));
	*msg = job_info;

	safe_unpack_time(&job_info->last_update, buffer);
	safe_unpack16(&job_info->show_flags, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_info_request_msg(job_info);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_block_info_req_msg(block_info_request_msg_t *msg, Buf buffer,
			 uint16_t protocol_version)
{
	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		pack_time(msg->last_update, buffer);
		pack16(msg->show_flags, buffer);
	} else {
		pack_time(msg->last_update, buffer);
	}
}

static int
_unpack_block_info_req_msg(block_info_request_msg_t **msg,
			   Buf buffer,
			   uint16_t protocol_version)
{
	block_info_request_msg_t *node_sel_info;

	node_sel_info = xmalloc(sizeof(block_info_request_msg_t));
	*msg = node_sel_info;

	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpack_time(&node_sel_info->last_update, buffer);
		safe_unpack16(&node_sel_info->show_flags, buffer);
	} else {
		safe_unpack_time(&node_sel_info->last_update, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_block_info_request_msg(node_sel_info);
	*msg = NULL;
	return SLURM_ERROR;
}

static int _unpack_block_job_info(block_job_info_t **job_info, Buf buffer,
				  uint16_t protocol_version)
{
	block_job_info_t *job;
	uint32_t uint32_tmp;
	char *cnode_inx_str = NULL;

	job = xmalloc(sizeof(block_job_info_t));
	*job_info = job;

	safe_unpackstr_xmalloc(&job->cnodes, &uint32_tmp, buffer);
	safe_unpackstr_xmalloc(&cnode_inx_str, &uint32_tmp, buffer);
	if (cnode_inx_str == NULL) {
		job->cnode_inx = bitfmt2int("");
	} else {
		job->cnode_inx = bitfmt2int(cnode_inx_str);
		xfree(cnode_inx_str);
	}
	safe_unpack32(&job->job_id, buffer);
	safe_unpack32(&job->user_id, buffer);
	safe_unpackstr_xmalloc(&job->user_name, &uint32_tmp, buffer);

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_block_job_info(job);
	*job_info = NULL;
	return SLURM_ERROR;
}

/* NOTE: There is a matching pack function directly in the select/bluegene
 * plugin dealing with the bg_record_t structure there.  If anything
 * changes here please update that as well.
 */
static void _pack_block_info_msg(block_info_t *block_info, Buf buffer,
				 uint16_t protocol_version)
{
	uint32_t cluster_flags = slurmdb_setup_cluster_flags();
	uint32_t cluster_dims = (uint32_t)slurmdb_setup_cluster_dims();
	int dim, count = NO_VAL;
	ListIterator itr;
	block_job_info_t *job;

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		if (!block_info) {
			packnull(buffer);
			packnull(buffer);
			packnull(buffer);

			pack32(1, buffer);
			pack16((uint16_t)NO_VAL, buffer);

			packnull(buffer);
			packnull(buffer);

			pack32(NO_VAL, buffer);

			packnull(buffer);
			packnull(buffer);
			packnull(buffer);
			packnull(buffer);
			pack32(NO_VAL, buffer);
			pack32(NO_VAL, buffer);
			pack16((uint16_t)NO_VAL, buffer);
			packnull(buffer);
			packnull(buffer);
			pack16((uint16_t)NO_VAL, buffer);
			packnull(buffer);
			return;
		}

		packstr(block_info->bg_block_id, buffer);
		packstr(block_info->blrtsimage, buffer);

		if (block_info->mp_inx) {
			char *bitfmt = inx2bitfmt(block_info->mp_inx);
			packstr(bitfmt, buffer);
			xfree(bitfmt);
		} else
			packnull(buffer);

		pack32(cluster_dims, buffer);
		for (dim = 0; dim < cluster_dims; dim++)
			pack16(block_info->conn_type[dim], buffer);

		packstr(block_info->ionode_str, buffer);

		if (block_info->ionode_inx) {
			char *bitfmt =
				inx2bitfmt(block_info->ionode_inx);
			packstr(bitfmt, buffer);
			xfree(bitfmt);
		} else
			packnull(buffer);

		if (block_info->job_list)
			count = list_count(block_info->job_list);

		pack32(count, buffer);
		if (count && count != NO_VAL) {
			itr = list_iterator_create(block_info->job_list);
			while ((job = list_next(itr))) {
				slurm_pack_block_job_info(job, buffer,
							  protocol_version);
			}
			list_iterator_destroy(itr);
		}
		count = NO_VAL;

		packstr(block_info->linuximage, buffer);
		packstr(block_info->mloaderimage, buffer);
		packstr(block_info->mp_str, buffer);
		pack32(block_info->cnode_cnt, buffer);
		pack32(block_info->cnode_err_cnt, buffer);
		pack16(block_info->node_use, buffer);
		packstr(block_info->ramdiskimage, buffer);
		packstr(block_info->reason, buffer);
		pack16(block_info->state, buffer);
	} else if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		if (!block_info) {
			packnull(buffer);
			packnull(buffer);
			packnull(buffer);

			pack32(1, buffer);
			pack16((uint16_t)NO_VAL, buffer);

			packnull(buffer);
			packnull(buffer);

			pack32(NO_VAL, buffer);
			pack32(NO_VAL, buffer);

			packnull(buffer);
			packnull(buffer);
			packnull(buffer);
			packnull(buffer);
			pack32(NO_VAL, buffer);
			pack16((uint16_t)NO_VAL, buffer);
			packnull(buffer);
			packnull(buffer);
			packnull(buffer);
			pack16((uint16_t)NO_VAL, buffer);
			packnull(buffer);
			return;
		}

		packstr(block_info->bg_block_id, buffer);
		packstr(block_info->blrtsimage, buffer);

		if (block_info->mp_inx) {
			char *bitfmt = inx2bitfmt(block_info->mp_inx);
			packstr(bitfmt, buffer);
			xfree(bitfmt);
		} else
			packnull(buffer);

		pack32(cluster_dims, buffer);
		for (dim = 0; dim < cluster_dims; dim++)
			pack16(block_info->conn_type[dim], buffer);

		packstr(block_info->ionode_str, buffer);

		if (block_info->ionode_inx) {
			char *bitfmt =
				inx2bitfmt(block_info->ionode_inx);
			packstr(bitfmt, buffer);
			xfree(bitfmt);
		} else
			packnull(buffer);

		if (block_info->job_list)
			count = list_count(block_info->job_list);

		pack32(count, buffer);
		if (count && count != NO_VAL) {
			itr = list_iterator_create(block_info->job_list);
			while ((job = list_next(itr))) {
				slurm_pack_block_job_info(job, buffer,
							  protocol_version);
			}
			list_iterator_destroy(itr);
		}
		count = NO_VAL;

		pack32(NO_VAL, buffer); /* for job_running */

		packstr(block_info->linuximage, buffer);
		packstr(block_info->mloaderimage, buffer);
		packstr(block_info->mp_str, buffer);
		packnull(buffer); /* for mp_used_str */
		pack32(block_info->cnode_cnt, buffer);
		pack16(block_info->node_use, buffer);
		packnull(buffer); /* for user name */
		packstr(block_info->ramdiskimage, buffer);
		packstr(block_info->reason, buffer);
		pack16(block_info->state, buffer);
		packnull(buffer); /* for mp_used_inx */
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		if (!block_info) {
			packnull(buffer);
			if (cluster_flags & CLUSTER_FLAG_BGL)
				packnull(buffer);
			packnull(buffer);
			pack16((uint16_t)NO_VAL, buffer);
			packnull(buffer);

			packnull(buffer);
			packnull(buffer);

			pack32(NO_VAL, buffer);

			packnull(buffer);
			packnull(buffer);
			packnull(buffer);
			pack32(NO_VAL, buffer);
			if(cluster_flags & CLUSTER_FLAG_BGL)
				pack16((uint16_t)NO_VAL, buffer);
			packnull(buffer);
			packnull(buffer);
			packnull(buffer);
			pack16((uint16_t)NO_VAL, buffer);
			return;
		}

		packstr(block_info->bg_block_id, buffer);
		if(cluster_flags & CLUSTER_FLAG_BGL)
			packstr(block_info->blrtsimage, buffer);

		if(block_info->mp_inx) {
			char *bitfmt = inx2bitfmt(block_info->mp_inx);
			packstr(bitfmt, buffer);
			xfree(bitfmt);
		} else
			packnull(buffer);

		pack16(block_info->conn_type[0], buffer);

		packstr(block_info->ionode_str, buffer);

		if(block_info->ionode_inx) {
			char *bitfmt =
				inx2bitfmt(block_info->ionode_inx);
			packstr(bitfmt, buffer);
			xfree(bitfmt);
		} else
			packnull(buffer);

		pack32(NO_VAL, buffer); /* for job_running */

		packstr(block_info->linuximage, buffer);
		packstr(block_info->mloaderimage, buffer);
		packstr(block_info->mp_str, buffer);
		pack32(block_info->cnode_cnt, buffer);
		if(cluster_flags & CLUSTER_FLAG_BGL)
			pack16(block_info->node_use, buffer);
		packnull(buffer); /* for user_name */
		packstr(block_info->ramdiskimage, buffer);
		packstr(block_info->reason, buffer);
		pack16(block_info->state, buffer);
	} else if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		if(!block_info) {
			packnull(buffer);
			if(cluster_flags & CLUSTER_FLAG_BGL)
				packnull(buffer);
			pack16((uint16_t)NO_VAL, buffer);
			packnull(buffer);

			packnull(buffer);
			packnull(buffer);

			pack32(NO_VAL, buffer);

			packnull(buffer);
			packnull(buffer);
			packnull(buffer);
			pack32(NO_VAL, buffer);
			if(cluster_flags & CLUSTER_FLAG_BGL)
				pack16((uint16_t)NO_VAL, buffer);
			packnull(buffer);
			packnull(buffer);
			pack16((uint16_t)NO_VAL, buffer);
			return;
		}

		packstr(block_info->bg_block_id, buffer);
		if(cluster_flags & CLUSTER_FLAG_BGL)
			packstr(block_info->blrtsimage, buffer);

		if(block_info->mp_inx) {
			char *bitfmt = inx2bitfmt(block_info->mp_inx);
			packstr(bitfmt, buffer);
			xfree(bitfmt);
		} else
			packnull(buffer);

		pack16(block_info->conn_type[0], buffer);

		packstr(block_info->ionode_str, buffer);

		if(block_info->ionode_inx) {
			char *bitfmt =
				inx2bitfmt(block_info->ionode_inx);
			packstr(bitfmt, buffer);
			xfree(bitfmt);
		} else
			packnull(buffer);

		pack32(NO_VAL, buffer); /* for job_running */

		packstr(block_info->linuximage, buffer);
		packstr(block_info->mloaderimage, buffer);
		packstr(block_info->mp_str, buffer);
		pack32(block_info->cnode_cnt, buffer);
		if(cluster_flags & CLUSTER_FLAG_BGL)
			pack16(block_info->node_use, buffer);
		packnull(buffer); /* for user_name */
		packstr(block_info->ramdiskimage, buffer);
		pack16(block_info->state, buffer);
	}
}

extern void slurm_pack_block_job_info(block_job_info_t *block_job_info,
				     Buf buffer, uint16_t protocol_version)
{
	if (!block_job_info) {
		packnull(buffer);
		packnull(buffer);
		pack32(0, buffer);
		pack32(0, buffer);
		packnull(buffer);
		return;
	}

	packstr(block_job_info->cnodes, buffer);
	if (block_job_info->cnode_inx) {
		char *bitfmt = inx2bitfmt(block_job_info->cnode_inx);
		packstr(bitfmt, buffer);
		xfree(bitfmt);
	} else
		packnull(buffer);
	pack32(block_job_info->job_id, buffer);
	pack32(block_job_info->user_id, buffer);
	packstr(block_job_info->user_name, buffer);
}

extern int slurm_unpack_block_info_members(block_info_t *block_info, Buf buffer,
					   uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	char *mp_inx_str = NULL;
	uint32_t cluster_flags = slurmdb_setup_cluster_flags();
	int i;
	uint32_t count;
	block_job_info_t *job = NULL;

	memset(block_info, 0, sizeof(block_info_t));

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&block_info->bg_block_id,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&block_info->blrtsimage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		if (mp_inx_str == NULL) {
			block_info->mp_inx = bitfmt2int("");
		} else {
			block_info->mp_inx = bitfmt2int(mp_inx_str);
			xfree(mp_inx_str);
		}

		safe_unpack32(&count, buffer);
		if (count > HIGHEST_DIMENSIONS) {
			error("slurm_unpack_block_info_members: count of "
			      "system is %d but we can only handle %d",
			      count, HIGHEST_DIMENSIONS);
			goto unpack_error;
		}
		for (i=0; i<count; i++)
			safe_unpack16(&block_info->conn_type[i], buffer);
		safe_unpackstr_xmalloc(&(block_info->ionode_str),
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		if (mp_inx_str == NULL) {
			block_info->ionode_inx = bitfmt2int("");
		} else {
			block_info->ionode_inx = bitfmt2int(mp_inx_str);
			xfree(mp_inx_str);
		}
		safe_unpack32(&count, buffer);
		if (count != NO_VAL) {
			block_info->job_list =
				list_create(slurm_free_block_job_info);
			for (i=0; i<count; i++) {
				if (_unpack_block_job_info(&job, buffer,
							   protocol_version)
				    == SLURM_ERROR)
					goto unpack_error;
				list_append(block_info->job_list, job);
			}
		}

		safe_unpackstr_xmalloc(&block_info->linuximage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&block_info->mloaderimage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&(block_info->mp_str), &uint32_tmp,
				       buffer);
		safe_unpack32(&block_info->cnode_cnt, buffer);
		safe_unpack32(&block_info->cnode_err_cnt, buffer);
		safe_unpack16(&block_info->node_use, buffer);
		safe_unpackstr_xmalloc(&block_info->ramdiskimage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&block_info->reason,
				       &uint32_tmp, buffer);
		safe_unpack16(&block_info->state, buffer);
	} else if (protocol_version >= SLURM_2_3_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&block_info->bg_block_id,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&block_info->blrtsimage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		if (mp_inx_str == NULL) {
			block_info->mp_inx = bitfmt2int("");
		} else {
			block_info->mp_inx = bitfmt2int(mp_inx_str);
			xfree(mp_inx_str);
		}

		safe_unpack32(&count, buffer);
		if (count > HIGHEST_DIMENSIONS) {
			error("slurm_unpack_block_info_members: count of "
			      "system is %d but we can only handle %d",
			      count, HIGHEST_DIMENSIONS);
			goto unpack_error;
		}
		for (i=0; i<count; i++)
			safe_unpack16(&block_info->conn_type[i], buffer);
		safe_unpackstr_xmalloc(&(block_info->ionode_str),
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		if (mp_inx_str == NULL) {
			block_info->ionode_inx = bitfmt2int("");
		} else {
			block_info->ionode_inx = bitfmt2int(mp_inx_str);
			xfree(mp_inx_str);
		}
		safe_unpack32(&count, buffer);
		if (count != NO_VAL) {
			block_info->job_list =
				list_create(slurm_free_block_job_info);
			for (i=0; i<count; i++) {
				if (_unpack_block_job_info(&job, buffer,
							   protocol_version)
				    == SLURM_ERROR)
					goto unpack_error;
				list_append(block_info->job_list, job);
			}
		}

		safe_unpack32(&uint32_tmp, buffer);
		if (uint32_tmp != (uint32_t)NO_JOB_RUNNING) {
			block_job_info_t *job =
				xmalloc(sizeof(block_job_info_t));;
			if (!block_info->job_list)
				block_info->job_list =
					list_create(slurm_free_block_job_info);
			job->job_id = uint32_tmp;
			list_append(block_info->job_list, job);
		}
		safe_unpackstr_xmalloc(&block_info->linuximage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&block_info->mloaderimage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&(block_info->mp_str), &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		xfree(mp_inx_str);
		safe_unpack32(&block_info->cnode_cnt, buffer);
		safe_unpack16(&block_info->node_use, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		xfree(mp_inx_str);
		safe_unpackstr_xmalloc(&block_info->ramdiskimage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&block_info->reason,
				       &uint32_tmp, buffer);
		safe_unpack16(&block_info->state, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		xfree(mp_inx_str);
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&block_info->bg_block_id,
				       &uint32_tmp, buffer);
		if (cluster_flags & CLUSTER_FLAG_BGL)
			safe_unpackstr_xmalloc(&block_info->blrtsimage,
					       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		if (mp_inx_str == NULL) {
			block_info->mp_inx = bitfmt2int("");
		} else {
			block_info->mp_inx = bitfmt2int(mp_inx_str);
			xfree(mp_inx_str);
		}
		safe_unpack16(&block_info->conn_type[0], buffer);
		safe_unpackstr_xmalloc(&(block_info->ionode_str),
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		if (mp_inx_str == NULL) {
			block_info->ionode_inx = bitfmt2int("");
		} else {
			block_info->ionode_inx = bitfmt2int(mp_inx_str);
			xfree(mp_inx_str);
		}
		safe_unpack32(&uint32_tmp, buffer);
		if (uint32_tmp != (uint32_t)NO_JOB_RUNNING) {
			block_job_info_t *job =
				xmalloc(sizeof(block_job_info_t));;
			if (!block_info->job_list)
				block_info->job_list =
					list_create(slurm_free_block_job_info);
			job->job_id = uint32_tmp;
			list_append(block_info->job_list, job);
		}
		safe_unpackstr_xmalloc(&block_info->linuximage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&block_info->mloaderimage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&(block_info->mp_str), &uint32_tmp,
				       buffer);
		safe_unpack32(&block_info->cnode_cnt, buffer);
		if (cluster_flags & CLUSTER_FLAG_BGL)
			safe_unpack16(&block_info->node_use, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		xfree(mp_inx_str);
		safe_unpackstr_xmalloc(&block_info->ramdiskimage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&block_info->reason,
				       &uint32_tmp, buffer);
		safe_unpack16(&block_info->state, buffer);
	} else if (protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&block_info->bg_block_id,
				       &uint32_tmp, buffer);
		if(cluster_flags & CLUSTER_FLAG_BGL)
			safe_unpackstr_xmalloc(&block_info->blrtsimage,
					       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		if (mp_inx_str == NULL) {
			block_info->mp_inx = bitfmt2int("");
		} else {
			block_info->mp_inx = bitfmt2int(mp_inx_str);
			xfree(mp_inx_str);
		}
		safe_unpack16(&block_info->conn_type[0], buffer);
		safe_unpackstr_xmalloc(&(block_info->ionode_str),
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		if (mp_inx_str == NULL) {
			block_info->ionode_inx = bitfmt2int("");
		} else {
			block_info->ionode_inx = bitfmt2int(mp_inx_str);
			xfree(mp_inx_str);
		}
		safe_unpack32(&uint32_tmp, buffer);
		if (uint32_tmp != (uint32_t)NO_JOB_RUNNING) {
			block_job_info_t *job =
				xmalloc(sizeof(block_job_info_t));;
			if (!block_info->job_list)
				block_info->job_list =
					list_create(slurm_free_block_job_info);
			job->job_id = uint32_tmp;
			list_append(block_info->job_list, job);
		}
		safe_unpackstr_xmalloc(&block_info->linuximage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&block_info->mloaderimage,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&(block_info->mp_str), &uint32_tmp,
				       buffer);
		safe_unpack32(&block_info->cnode_cnt, buffer);
		if(cluster_flags & CLUSTER_FLAG_BGL)
			safe_unpack16(&block_info->node_use, buffer);
		safe_unpackstr_xmalloc(&mp_inx_str, &uint32_tmp, buffer);
		xfree(mp_inx_str);
		safe_unpackstr_xmalloc(&block_info->ramdiskimage,
				       &uint32_tmp, buffer);
		safe_unpack16(&block_info->state, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	error("slurm_unpack_block_info_members: error unpacking here");
	slurm_free_block_info_members(block_info);
	return SLURM_ERROR;
}

extern int slurm_unpack_block_info_msg(
	block_info_msg_t **block_info_msg_pptr, Buf buffer,
	uint16_t protocol_version)
{
	int i;
	block_info_msg_t *buf;

	buf = xmalloc(sizeof(block_info_msg_t));
	if(protocol_version >= SLURM_2_1_PROTOCOL_VERSION) {
		safe_unpack32(&(buf->record_count), buffer);
		safe_unpack_time(&(buf->last_update), buffer);
		buf->block_array = xmalloc(sizeof(block_info_t) *
					   buf->record_count);
		for(i=0; i<buf->record_count; i++) {
			if (slurm_unpack_block_info_members(
				    &(buf->block_array[i]), buffer,
				    protocol_version))
				goto unpack_error;
		}
	}
	*block_info_msg_pptr = buf;
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_block_info_msg(buf);
	*block_info_msg_pptr = NULL;
	return SLURM_ERROR;
}

static int _unpack_block_info(block_info_t **block_info, Buf buffer,
			      uint16_t protocol_version)
{
        int rc = SLURM_SUCCESS;
	block_info_t *bg_rec = xmalloc(sizeof(block_info_t));

	if((rc = slurm_unpack_block_info_members(
		    bg_rec, buffer, protocol_version))
	   != SLURM_SUCCESS)
		xfree(bg_rec);
	else
		*block_info = bg_rec;
	return rc;
}

static void
_pack_job_step_info_req_msg(job_step_info_request_msg_t * msg, Buf buffer,
			    uint16_t protocol_version)
{
	pack_time(msg->last_update, buffer);
	pack32((uint32_t)msg->job_id, buffer);
	pack32((uint32_t)msg->step_id, buffer);
	pack16((uint16_t)msg->show_flags, buffer);
}

static int
_unpack_job_step_info_req_msg(job_step_info_request_msg_t ** msg, Buf buffer,
			      uint16_t protocol_version)
{
	job_step_info_request_msg_t *job_step_info;

	job_step_info = xmalloc(sizeof(job_step_info_request_msg_t));
	*msg = job_step_info;

	safe_unpack_time(&job_step_info->last_update, buffer);
	safe_unpack32(&job_step_info->job_id, buffer);
	safe_unpack32(&job_step_info->step_id, buffer);
	safe_unpack16(&job_step_info->show_flags, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_step_info_request_msg(job_step_info);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_node_info_request_msg(node_info_request_msg_t * msg, Buf buffer,
			    uint16_t protocol_version)
{
	pack_time(msg->last_update, buffer);
	pack16((uint16_t)msg->show_flags, buffer);
}

static int
_unpack_node_info_request_msg(node_info_request_msg_t ** msg, Buf buffer,
			      uint16_t protocol_version)
{
	node_info_request_msg_t* node_info;

	node_info = xmalloc(sizeof(node_info_request_msg_t));
	*msg = node_info;

	safe_unpack_time(&node_info->last_update, buffer);
	safe_unpack16(&node_info->show_flags, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_node_info_request_msg(node_info);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_front_end_info_request_msg(front_end_info_request_msg_t * msg,
				 Buf buffer, uint16_t protocol_version)
{
	pack_time(msg->last_update, buffer);
}

static int
_unpack_front_end_info_request_msg(front_end_info_request_msg_t ** msg,
				   Buf buffer, uint16_t protocol_version)
{
	front_end_info_request_msg_t* front_end_info;

	front_end_info = xmalloc(sizeof(front_end_info_request_msg_t));
	*msg = front_end_info;

	safe_unpack_time(&front_end_info->last_update, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_front_end_info_request_msg(front_end_info);
	*msg = NULL;
	return SLURM_ERROR;
}

static int
_unpack_front_end_info_msg(front_end_info_msg_t ** msg, Buf buffer,
			   uint16_t protocol_version)
{
	int i;
	front_end_info_t *front_end = NULL;

	xassert(msg != NULL);
	*msg = xmalloc(sizeof(front_end_info_msg_t));

	/* load buffer's header (data structure version and time) */
	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpack32(&((*msg)->record_count), buffer);
		safe_unpack_time(&((*msg)->last_update), buffer);
		front_end = xmalloc(sizeof(front_end_info_t) *
				    (*msg)->record_count);
		(*msg)->front_end_array = front_end;

		/* load individual front_end info */
		for (i = 0; i < (*msg)->record_count; i++) {
			if (_unpack_front_end_info_members(&front_end[i],
							   buffer,
							   protocol_version))
				goto unpack_error;
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_front_end_info_msg(*msg);
	*msg = NULL;
	return SLURM_ERROR;
}

static int
_unpack_front_end_info_members(front_end_info_t *front_end, Buf buffer,
			       uint16_t protocol_version)
{
	uint32_t uint32_tmp;

	xassert(front_end != NULL);

	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpack_time(&front_end->boot_time, buffer);
		safe_unpackstr_xmalloc(&front_end->name, &uint32_tmp, buffer);
		safe_unpack16(&front_end->node_state, buffer);

		safe_unpackstr_xmalloc(&front_end->reason, &uint32_tmp, buffer);\
		safe_unpack_time(&front_end->reason_time, buffer);
		safe_unpack32(&front_end->reason_uid, buffer);

		safe_unpack_time(&front_end->slurmd_start_time, buffer);
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_front_end_info_members(front_end);
	return SLURM_ERROR;
}

static void
_pack_part_info_request_msg(part_info_request_msg_t * msg, Buf buffer,
			    uint16_t protocol_version)
{
	pack_time(msg->last_update, buffer);
	pack16((uint16_t)msg->show_flags, buffer);
}

static int
_unpack_part_info_request_msg(part_info_request_msg_t ** msg, Buf buffer,
			      uint16_t protocol_version)
{
	part_info_request_msg_t* part_info;

	part_info = xmalloc(sizeof(part_info_request_msg_t));
	*msg = part_info;

	safe_unpack_time(&part_info->last_update, buffer);
	safe_unpack16(&part_info->show_flags, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_part_info_request_msg(part_info);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_resv_info_request_msg(resv_info_request_msg_t * msg, Buf buffer,
			    uint16_t protocol_version)
{
	pack_time(msg->last_update, buffer);
}

static int
_unpack_resv_info_request_msg(resv_info_request_msg_t ** msg, Buf buffer,
			      uint16_t protocol_version)
{
	resv_info_request_msg_t* resv_info;

	resv_info = xmalloc(sizeof(resv_info_request_msg_t));
	*msg = resv_info;

	safe_unpack_time(&resv_info->last_update, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_resv_info_request_msg(resv_info);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_slurm_addr_array(slurm_addr_t * slurm_address,
		       uint32_t size_val, Buf buffer,
		       uint16_t protocol_version)
{
	slurm_pack_slurm_addr_array(slurm_address, size_val, buffer);
}

static int
_unpack_slurm_addr_array(slurm_addr_t ** slurm_address,
			 uint32_t * size_val, Buf buffer,
			 uint16_t protocol_version)
{
	return slurm_unpack_slurm_addr_array(slurm_address, size_val, buffer);
}


static void
_pack_ret_list(List ret_list,
	       uint16_t size_val, Buf buffer,
	       uint16_t protocol_version)
{
	ListIterator itr;
	ret_data_info_t *ret_data_info = NULL;
	slurm_msg_t msg;

	slurm_msg_t_init(&msg);
	msg.protocol_version = protocol_version;
	itr = list_iterator_create(ret_list);
	while((ret_data_info = list_next(itr))) {
		pack32((uint32_t)ret_data_info->err, buffer);
		pack16((uint16_t)ret_data_info->type, buffer);
		packstr(ret_data_info->node_name, buffer);

		msg.msg_type = ret_data_info->type;
		msg.data = ret_data_info->data;
		pack_msg(&msg, buffer);
	}
	list_iterator_destroy(itr);
}

static int
_unpack_ret_list(List *ret_list,
		 uint16_t size_val, Buf buffer,
		 uint16_t protocol_version)
{
	int i = 0;
	uint32_t uint32_tmp;
	ret_data_info_t *ret_data_info = NULL;
	slurm_msg_t msg;

	slurm_msg_t_init(&msg);
	msg.protocol_version = protocol_version;

	*ret_list = list_create(destroy_data_info);

	for (i=0; i<size_val; i++) {
		ret_data_info = xmalloc(sizeof(ret_data_info_t));
		list_push(*ret_list, ret_data_info);

		safe_unpack32((uint32_t *)&ret_data_info->err, buffer);
		safe_unpack16(&ret_data_info->type, buffer);
		safe_unpackstr_xmalloc(&ret_data_info->node_name,
				       &uint32_tmp, buffer);
		msg.msg_type = ret_data_info->type;
		if (unpack_msg(&msg, buffer) != SLURM_SUCCESS)
			goto unpack_error;
		ret_data_info->data = msg.data;
	}

	return SLURM_SUCCESS;

unpack_error:
	if (ret_data_info && ret_data_info->type) {
		error("_unpack_ret_list: message type %u, record %d of %u",
		      ret_data_info->type, i, size_val);
	}
	list_destroy(*ret_list);
	*ret_list = NULL;
	return SLURM_ERROR;
}

static void
_pack_batch_job_launch_msg(batch_job_launch_msg_t * msg, Buf buffer,
			   uint16_t protocol_version)
{
	xassert(msg != NULL);

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		pack32(msg->job_id, buffer);
		pack32(msg->step_id, buffer);
		pack32(msg->uid, buffer);
		pack32(msg->gid, buffer);
		pack32(msg->ntasks, buffer);
		pack32(msg->pn_min_memory, buffer);

		pack8(msg->open_mode, buffer);
		pack8(msg->overcommit, buffer);

		pack16(msg->acctg_freq,     buffer);
		pack16(msg->cpu_bind_type,  buffer);
		pack16(msg->cpus_per_task,  buffer);
		pack16(msg->restart_cnt,    buffer);

		pack32(msg->num_cpu_groups, buffer);
		if (msg->num_cpu_groups) {
			pack16_array(msg->cpus_per_node, msg->num_cpu_groups,
				     buffer);
			pack32_array(msg->cpu_count_reps, msg->num_cpu_groups,
				     buffer);
		}

		packstr(msg->alias_list, buffer);
		packstr(msg->cpu_bind, buffer);
		packstr(msg->nodes,    buffer);
		packstr(msg->script,   buffer);
		packstr(msg->work_dir, buffer);
		packstr(msg->ckpt_dir, buffer);
		packstr(msg->restart_dir, buffer);

		packstr(msg->std_err, buffer);
		packstr(msg->std_in, buffer);
		packstr(msg->std_out, buffer);

		pack32(msg->argc, buffer);
		packstr_array(msg->argv, msg->argc, buffer);
		packstr_array(msg->spank_job_env, msg->spank_job_env_size,
			      buffer);

		pack32(msg->envc, buffer);
		packstr_array(msg->environment, msg->envc, buffer);

		pack32(msg->job_mem, buffer);

		slurm_cred_pack(msg->cred, buffer);

		select_g_select_jobinfo_pack(msg->select_jobinfo, buffer,
					     protocol_version);
	} else {
		pack32(msg->job_id, buffer);
		pack32(msg->step_id, buffer);
		pack32(msg->uid, buffer);
		pack32(msg->gid, buffer);
		pack32(msg->ntasks, buffer);
		pack32(msg->pn_min_memory, buffer);

		pack8(msg->open_mode, buffer);
		pack8(msg->overcommit, buffer);

		pack16(msg->acctg_freq,     buffer);
		pack16(msg->cpu_bind_type,  buffer);
		pack16(msg->cpus_per_task,  buffer);
		pack16(msg->restart_cnt,    buffer);

		pack32(msg->num_cpu_groups, buffer);
		if (msg->num_cpu_groups) {
			pack16_array(msg->cpus_per_node, msg->num_cpu_groups,
				     buffer);
			pack32_array(msg->cpu_count_reps, msg->num_cpu_groups,
				     buffer);
		}

		packstr(msg->cpu_bind, buffer);
		packstr(msg->nodes,    buffer);
		packstr(msg->script,   buffer);
		packstr(msg->work_dir, buffer);
		packstr(msg->ckpt_dir, buffer);
		packstr(msg->restart_dir, buffer);

		packstr(msg->std_err, buffer);
		packstr(msg->std_in, buffer);
		packstr(msg->std_out, buffer);

		pack32(msg->argc, buffer);
		packstr_array(msg->argv, msg->argc, buffer);
		packstr_array(msg->spank_job_env, msg->spank_job_env_size,
			      buffer);

		pack32(msg->envc, buffer);
		packstr_array(msg->environment, msg->envc, buffer);

		pack32(msg->job_mem, buffer);

		slurm_cred_pack(msg->cred, buffer);

		select_g_select_jobinfo_pack(msg->select_jobinfo, buffer,
					     protocol_version);
	}
}

static int
_unpack_batch_job_launch_msg(batch_job_launch_msg_t ** msg, Buf buffer,
			     uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	batch_job_launch_msg_t *launch_msg_ptr;

	xassert(msg != NULL);
	launch_msg_ptr = xmalloc(sizeof(batch_job_launch_msg_t));
	*msg = launch_msg_ptr;

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		safe_unpack32(&launch_msg_ptr->job_id, buffer);
		safe_unpack32(&launch_msg_ptr->step_id, buffer);
		safe_unpack32(&launch_msg_ptr->uid, buffer);
		safe_unpack32(&launch_msg_ptr->gid, buffer);
		safe_unpack32(&launch_msg_ptr->ntasks, buffer);
		safe_unpack32(&launch_msg_ptr->pn_min_memory, buffer);

		safe_unpack8(&launch_msg_ptr->open_mode, buffer);
		safe_unpack8(&launch_msg_ptr->overcommit, buffer);

		safe_unpack16(&launch_msg_ptr->acctg_freq,     buffer);
		safe_unpack16(&launch_msg_ptr->cpu_bind_type,  buffer);
		safe_unpack16(&launch_msg_ptr->cpus_per_task,  buffer);
		safe_unpack16(&launch_msg_ptr->restart_cnt,    buffer);

		safe_unpack32(&launch_msg_ptr->num_cpu_groups, buffer);
		if (launch_msg_ptr->num_cpu_groups) {
			safe_unpack16_array(&(launch_msg_ptr->cpus_per_node),
					    &uint32_tmp, buffer);
			if (launch_msg_ptr->num_cpu_groups != uint32_tmp)
				goto unpack_error;
			safe_unpack32_array(&(launch_msg_ptr->cpu_count_reps),
					    &uint32_tmp, buffer);
			if (launch_msg_ptr->num_cpu_groups != uint32_tmp)
				goto unpack_error;
		}


		safe_unpackstr_xmalloc(&launch_msg_ptr->alias_list,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->cpu_bind, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->nodes,    &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->script,   &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->work_dir, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->ckpt_dir, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->restart_dir,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&launch_msg_ptr->std_err, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->std_in,  &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->std_out, &uint32_tmp,
				       buffer);

		safe_unpack32(&launch_msg_ptr->argc, buffer);
		safe_unpackstr_array(&launch_msg_ptr->argv,
				     &launch_msg_ptr->argc, buffer);
		safe_unpackstr_array(&launch_msg_ptr->spank_job_env,
				     &launch_msg_ptr->spank_job_env_size,
				     buffer);

		safe_unpack32(&launch_msg_ptr->envc, buffer);
		safe_unpackstr_array(&launch_msg_ptr->environment,
				     &launch_msg_ptr->envc, buffer);

		safe_unpack32(&launch_msg_ptr->job_mem, buffer);

		if (!(launch_msg_ptr->cred = slurm_cred_unpack(buffer,
							       protocol_version)))
			goto unpack_error;

		if (select_g_select_jobinfo_unpack(&launch_msg_ptr->
						   select_jobinfo,
						   buffer, protocol_version))
			goto unpack_error;
	} else {
		safe_unpack32(&launch_msg_ptr->job_id, buffer);
		safe_unpack32(&launch_msg_ptr->step_id, buffer);
		safe_unpack32(&launch_msg_ptr->uid, buffer);
		safe_unpack32(&launch_msg_ptr->gid, buffer);
		safe_unpack32(&launch_msg_ptr->ntasks, buffer);
		safe_unpack32(&launch_msg_ptr->pn_min_memory, buffer);

		safe_unpack8(&launch_msg_ptr->open_mode, buffer);
		safe_unpack8(&launch_msg_ptr->overcommit, buffer);

		safe_unpack16(&launch_msg_ptr->acctg_freq,     buffer);
		safe_unpack16(&launch_msg_ptr->cpu_bind_type,  buffer);
		safe_unpack16(&launch_msg_ptr->cpus_per_task,  buffer);
		safe_unpack16(&launch_msg_ptr->restart_cnt,    buffer);

		safe_unpack32(&launch_msg_ptr->num_cpu_groups, buffer);
		if (launch_msg_ptr->num_cpu_groups) {
			safe_unpack16_array(&(launch_msg_ptr->cpus_per_node),
					    &uint32_tmp, buffer);
			if (launch_msg_ptr->num_cpu_groups != uint32_tmp)
				goto unpack_error;
			safe_unpack32_array(&(launch_msg_ptr->cpu_count_reps),
					    &uint32_tmp, buffer);
			if (launch_msg_ptr->num_cpu_groups != uint32_tmp)
				goto unpack_error;
		}

		safe_unpackstr_xmalloc(&launch_msg_ptr->cpu_bind, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->nodes,    &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->script,   &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->work_dir, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->ckpt_dir, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->restart_dir,
				       &uint32_tmp, buffer);

		safe_unpackstr_xmalloc(&launch_msg_ptr->std_err, &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->std_in,  &uint32_tmp,
				       buffer);
		safe_unpackstr_xmalloc(&launch_msg_ptr->std_out, &uint32_tmp,
				       buffer);

		safe_unpack32(&launch_msg_ptr->argc, buffer);
		safe_unpackstr_array(&launch_msg_ptr->argv,
				     &launch_msg_ptr->argc, buffer);
		safe_unpackstr_array(&launch_msg_ptr->spank_job_env,
				     &launch_msg_ptr->spank_job_env_size,
				     buffer);

		safe_unpack32(&launch_msg_ptr->envc, buffer);
		safe_unpackstr_array(&launch_msg_ptr->environment,
				     &launch_msg_ptr->envc, buffer);

		safe_unpack32(&launch_msg_ptr->job_mem, buffer);

		if (!(launch_msg_ptr->cred = slurm_cred_unpack(buffer,
							       protocol_version)))
			goto unpack_error;

		if (select_g_select_jobinfo_unpack(&launch_msg_ptr->
						   select_jobinfo,
						   buffer, protocol_version))
			goto unpack_error;
	}

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_launch_msg(launch_msg_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_id_request_msg(job_id_request_msg_t * msg, Buf buffer,
			 uint16_t protocol_version)
{
	xassert(msg != NULL);

	pack32((uint32_t)msg->job_pid, buffer);
}

static int
_unpack_job_id_request_msg(job_id_request_msg_t ** msg, Buf buffer,
			   uint16_t protocol_version)
{
	job_id_request_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg != NULL);
	tmp_ptr = xmalloc(sizeof(job_id_request_msg_t));
	*msg = tmp_ptr;

	/* load the data values */
	safe_unpack32(&tmp_ptr->job_pid, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_id_request_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_id_response_msg(job_id_response_msg_t * msg, Buf buffer,
			  uint16_t protocol_version)
{
	xassert(msg != NULL);

	pack32((uint32_t)msg->job_id, buffer);
	pack32((uint32_t)msg->return_code, buffer);
}

static int
_unpack_job_id_response_msg(job_id_response_msg_t ** msg, Buf buffer,
			    uint16_t protocol_version)
{
	job_id_response_msg_t *tmp_ptr;

	/* alloc memory for structure */
	xassert(msg != NULL);
	tmp_ptr = xmalloc(sizeof(job_id_response_msg_t));
	*msg = tmp_ptr;

	/* load the data values */
	safe_unpack32(&tmp_ptr->job_id, buffer);
	safe_unpack32(&tmp_ptr->return_code, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_id_response_msg(tmp_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void
_pack_srun_exec_msg(srun_exec_msg_t * msg, Buf buffer,
		    uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack32(msg ->job_id  , buffer ) ;
	pack32(msg ->step_id , buffer ) ;
	packstr_array(msg->argv, msg->argc, buffer);
}

static int
_unpack_srun_exec_msg(srun_exec_msg_t ** msg_ptr, Buf buffer,
		      uint16_t protocol_version)
{
	srun_exec_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (srun_exec_msg_t) ) ;
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id  , buffer ) ;
	safe_unpack32(&msg->step_id , buffer ) ;
	safe_unpackstr_array(&msg->argv, &msg->argc, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_srun_exec_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_srun_ping_msg(srun_ping_msg_t * msg, Buf buffer,
		    uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack32((uint32_t)msg ->job_id  , buffer ) ;
	pack32((uint32_t)msg ->step_id , buffer ) ;
}

static int
_unpack_srun_ping_msg(srun_ping_msg_t ** msg_ptr, Buf buffer,
		      uint16_t protocol_version)
{
	srun_ping_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (srun_ping_msg_t) ) ;
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id  , buffer ) ;
	safe_unpack32(&msg->step_id , buffer ) ;
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_srun_ping_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_srun_node_fail_msg(srun_node_fail_msg_t * msg, Buf buffer,
			 uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack32(msg->job_id  , buffer ) ;
	pack32(msg->step_id , buffer ) ;
	packstr(msg->nodelist, buffer ) ;
}

static int
_unpack_srun_node_fail_msg(srun_node_fail_msg_t ** msg_ptr, Buf buffer,
			   uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	srun_node_fail_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (srun_node_fail_msg_t) ) ;
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id  , buffer ) ;
	safe_unpack32(&msg->step_id , buffer ) ;
	safe_unpackstr_xmalloc ( & msg->nodelist, &uint32_tmp, buffer);

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_srun_node_fail_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_srun_step_missing_msg(srun_step_missing_msg_t * msg, Buf buffer,
			    uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack32(msg->job_id  , buffer ) ;
	pack32(msg->step_id , buffer ) ;
	packstr(msg->nodelist, buffer ) ;
}

static int
_unpack_srun_step_missing_msg(srun_step_missing_msg_t ** msg_ptr, Buf buffer,
			      uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	srun_step_missing_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (srun_step_missing_msg_t) ) ;
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id  , buffer ) ;
	safe_unpack32(&msg->step_id , buffer ) ;
	safe_unpackstr_xmalloc ( & msg->nodelist, &uint32_tmp, buffer);

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_srun_step_missing_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_job_ready_msg(job_id_msg_t * msg, Buf buffer,
		    uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack32((uint32_t)msg->job_id  , buffer ) ;
	pack16((uint16_t)msg->show_flags, buffer);
}

static int
_unpack_job_ready_msg(job_id_msg_t ** msg_ptr, Buf buffer,
		      uint16_t protocol_version)
{
	job_id_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (job_id_msg_t) );
	*msg_ptr = msg ;

	safe_unpack32(&msg->job_id  , buffer ) ;
	safe_unpack16(&msg->show_flags, buffer);
	return SLURM_SUCCESS;

unpack_error:
	*msg_ptr = NULL;
	slurm_free_job_id_msg(msg);
	return SLURM_ERROR;
}

static void
_pack_srun_timeout_msg(srun_timeout_msg_t * msg, Buf buffer,
		       uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack32((uint32_t)msg->job_id, buffer ) ;
	pack32((uint32_t)msg->step_id , buffer ) ;
	pack_time ( msg -> timeout, buffer );
}

static int
_unpack_srun_timeout_msg(srun_timeout_msg_t ** msg_ptr, Buf buffer,
			 uint16_t protocol_version)
{
	srun_timeout_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (srun_timeout_msg_t) ) ;
	*msg_ptr = msg ;

	safe_unpack32(&msg->job_id, buffer ) ;
	safe_unpack32(&msg->step_id, buffer ) ;
	safe_unpack_time (&msg->timeout, buffer );
	return SLURM_SUCCESS;

unpack_error:
	*msg_ptr = NULL;
	slurm_free_srun_timeout_msg(msg);
	return SLURM_ERROR;
}

static void
_pack_srun_user_msg(srun_user_msg_t * msg, Buf buffer,
		    uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack32((uint32_t)msg->job_id,  buffer);
	packstr(msg->msg, buffer);
}

static int
_unpack_srun_user_msg(srun_user_msg_t ** msg_ptr, Buf buffer,
		      uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	srun_user_msg_t * msg_user;
	xassert ( msg_ptr != NULL );

	msg_user = xmalloc(sizeof (srun_user_msg_t)) ;
	*msg_ptr = msg_user;

	safe_unpack32(&msg_user->job_id, buffer);
	safe_unpackstr_xmalloc(&msg_user->msg, &uint32_tmp, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_srun_user_msg(msg_user);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void _pack_suspend_msg(suspend_msg_t *msg, Buf buffer,
			      uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack16((uint16_t)msg -> op, buffer ) ;
	pack32((uint32_t)msg->job_id,  buffer ) ;
}

static int  _unpack_suspend_msg(suspend_msg_t **msg_ptr, Buf buffer,
				uint16_t protocol_version)
{
	suspend_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (suspend_msg_t) );
	*msg_ptr = msg ;

	safe_unpack16(&msg->op ,      buffer ) ;
	safe_unpack32(&msg->job_id  , buffer ) ;
	return SLURM_SUCCESS;

unpack_error:
	*msg_ptr = NULL;
	slurm_free_suspend_msg(msg);
	return SLURM_ERROR;
}

static void _pack_forward_data_msg(forward_data_msg_t *msg,
				   Buf buffer, uint16_t protocol_version)
{
	xassert (msg != NULL);
	packstr(msg->address, buffer);
	pack32(msg->len, buffer);
	packmem(msg->data, msg->len, buffer);
}

static int _unpack_forward_data_msg(forward_data_msg_t **msg_ptr,
				    Buf buffer, uint16_t protocol_version)
{
	forward_data_msg_t *msg;
	uint32_t temp32;

	xassert (msg_ptr != NULL);
	msg = xmalloc(sizeof(forward_data_msg_t));
	*msg_ptr = msg;
	safe_unpackstr_xmalloc(&msg->address, &temp32, buffer);
	safe_unpack32(&msg->len, buffer);
	safe_unpackmem_xmalloc(&msg->data, &temp32, buffer);

	return SLURM_SUCCESS;
	
unpack_error:
	slurm_free_forward_data_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_checkpoint_msg(checkpoint_msg_t *msg, Buf buffer,
		     uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack16(msg->op,      buffer ) ;
	pack16(msg->data,    buffer ) ;
	pack32(msg->job_id,  buffer ) ;
	pack32(msg->step_id, buffer ) ;
	packstr((char *)msg->image_dir, buffer ) ;
}

static int
_unpack_checkpoint_msg(checkpoint_msg_t **msg_ptr, Buf buffer,
		       uint16_t protocol_version)
{
	checkpoint_msg_t * msg;
	uint32_t uint32_tmp;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (checkpoint_msg_t) ) ;
	*msg_ptr = msg ;

	safe_unpack16(&msg->op, buffer ) ;
	safe_unpack16(&msg->data, buffer ) ;
	safe_unpack32(&msg->job_id, buffer ) ;
	safe_unpack32(&msg->step_id, buffer ) ;
	safe_unpackstr_xmalloc(&msg->image_dir, &uint32_tmp, buffer ) ;
	return SLURM_SUCCESS;

unpack_error:
	*msg_ptr = NULL;
	slurm_free_checkpoint_msg(msg);
	return SLURM_ERROR;
}

static void
_pack_checkpoint_comp(checkpoint_comp_msg_t *msg, Buf buffer,
		      uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack32((uint32_t)msg -> job_id,  buffer ) ;
	pack32((uint32_t)msg -> step_id, buffer ) ;
	pack32((uint32_t)msg -> error_code, buffer ) ;
	packstr ( msg -> error_msg, buffer ) ;
	pack_time ( msg -> begin_time, buffer ) ;
}

static int
_unpack_checkpoint_comp(checkpoint_comp_msg_t **msg_ptr, Buf buffer,
			uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	checkpoint_comp_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (checkpoint_comp_msg_t) );
	*msg_ptr = msg ;

	safe_unpack32(& msg -> job_id  , buffer ) ;
	safe_unpack32(& msg -> step_id , buffer ) ;
	safe_unpack32(& msg -> error_code , buffer ) ;
	safe_unpackstr_xmalloc ( & msg -> error_msg, & uint32_tmp , buffer ) ;
	safe_unpack_time ( & msg -> begin_time , buffer ) ;
	return SLURM_SUCCESS;

unpack_error:
	*msg_ptr = NULL;
	slurm_free_checkpoint_comp_msg(msg);
	return SLURM_ERROR;
}

static void
_pack_checkpoint_task_comp(checkpoint_task_comp_msg_t *msg, Buf buffer,
			   uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack32((uint32_t)msg -> job_id,  buffer ) ;
	pack32((uint32_t)msg -> step_id, buffer ) ;
	pack32((uint32_t)msg -> task_id, buffer ) ;
	pack32((uint32_t)msg -> error_code, buffer ) ;
	packstr ( msg -> error_msg, buffer ) ;
	pack_time ( msg -> begin_time, buffer ) ;
}

static int
_unpack_checkpoint_task_comp(checkpoint_task_comp_msg_t **msg_ptr, Buf buffer,
			     uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	checkpoint_task_comp_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (checkpoint_task_comp_msg_t) );
	*msg_ptr = msg ;

	safe_unpack32(& msg -> job_id  , buffer ) ;
	safe_unpack32(& msg -> step_id , buffer ) ;
	safe_unpack32(& msg -> task_id , buffer ) ;
	safe_unpack32(& msg -> error_code , buffer ) ;
	safe_unpackstr_xmalloc ( & msg -> error_msg, & uint32_tmp , buffer ) ;
	safe_unpack_time ( & msg -> begin_time , buffer ) ;
	return SLURM_SUCCESS;

unpack_error:
	*msg_ptr = NULL;
	slurm_free_checkpoint_task_comp_msg(msg);
	return SLURM_ERROR;
}

static void
_pack_checkpoint_resp_msg(checkpoint_resp_msg_t *msg, Buf buffer,
			  uint16_t protocol_version)
{
	xassert ( msg != NULL );

	pack_time ( msg -> event_time, buffer ) ;
	pack32((uint32_t)msg -> error_code,  buffer ) ;
	packstr ( msg -> error_msg, buffer ) ;
}

static int
_unpack_checkpoint_resp_msg(checkpoint_resp_msg_t **msg_ptr, Buf buffer,
			    uint16_t protocol_version)
{
	checkpoint_resp_msg_t * msg;
	uint32_t uint32_tmp;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (checkpoint_resp_msg_t) ) ;
	*msg_ptr = msg ;

	safe_unpack_time ( & msg -> event_time, buffer ) ;
	safe_unpack32(& msg -> error_code , buffer ) ;
	safe_unpackstr_xmalloc ( & msg -> error_msg, & uint32_tmp , buffer ) ;
	return SLURM_SUCCESS;

unpack_error:
	*msg_ptr = NULL;
	slurm_free_checkpoint_resp_msg(msg);
	return SLURM_ERROR;
}

static void _pack_file_bcast(file_bcast_msg_t * msg , Buf buffer,
			     uint16_t protocol_version)
{
	xassert ( msg != NULL );

	grow_buf(buffer,  msg->block_len);

	pack16 ( msg->block_no, buffer );
	pack16 ( msg->last_block, buffer );
	pack16 ( msg->force, buffer );
	pack16 ( msg->modes, buffer );

	pack32 ( msg->uid, buffer );
	pack32 ( msg->gid, buffer );

	pack_time ( msg->atime, buffer );
	pack_time ( msg->mtime, buffer );

	packstr ( msg->fname, buffer );
	pack32 ( msg->block_len, buffer );
	packmem ( msg->block, msg->block_len, buffer );
	pack_sbcast_cred( msg->cred, buffer );
}

static int _unpack_file_bcast(file_bcast_msg_t ** msg_ptr , Buf buffer,
			      uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	file_bcast_msg_t *msg ;

	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (file_bcast_msg_t) ) ;
	*msg_ptr = msg;

	safe_unpack16 ( & msg->block_no, buffer );
	safe_unpack16 ( & msg->last_block, buffer );
	safe_unpack16 ( & msg->force, buffer );
	safe_unpack16 ( & msg->modes, buffer );

	safe_unpack32 ( & msg->uid, buffer );
	safe_unpack32 ( & msg->gid, buffer );

	safe_unpack_time ( & msg->atime, buffer );
	safe_unpack_time ( & msg->mtime, buffer );

	safe_unpackstr_xmalloc ( & msg->fname, &uint32_tmp, buffer );
	safe_unpack32 ( & msg->block_len, buffer );
	safe_unpackmem_xmalloc ( & msg->block, &uint32_tmp , buffer ) ;
	if ( uint32_tmp != msg->block_len )
		goto unpack_error;

	msg->cred = unpack_sbcast_cred( buffer );
	if (msg->cred == NULL)
		goto unpack_error;

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_file_bcast_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void _pack_trigger_msg(trigger_info_msg_t *msg , Buf buffer,
			      uint16_t protocol_version)
{
	int i;
	uint16_t uint16_tmp;

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		pack32(msg->record_count, buffer);
		for (i=0; i<msg->record_count; i++) {
			pack16 (msg->trigger_array[i].flags,     buffer);
			pack32 (msg->trigger_array[i].trig_id,   buffer);
			pack16 (msg->trigger_array[i].res_type,  buffer);
			packstr(msg->trigger_array[i].res_id,    buffer);
			pack32 (msg->trigger_array[i].trig_type, buffer);
			pack16 (msg->trigger_array[i].offset,    buffer);
			pack32 (msg->trigger_array[i].user_id,   buffer);
			packstr(msg->trigger_array[i].program,   buffer);
		}
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		pack32(msg->record_count, buffer);
		for (i=0; i<msg->record_count; i++) {
			pack32 (msg->trigger_array[i].trig_id,   buffer);
			pack16 (msg->trigger_array[i].res_type,  buffer);
			packstr(msg->trigger_array[i].res_id,    buffer);
			pack32 (msg->trigger_array[i].trig_type, buffer);
			pack16 (msg->trigger_array[i].offset,    buffer);
			pack32 (msg->trigger_array[i].user_id,   buffer);
			packstr(msg->trigger_array[i].program,   buffer);
		}
	} else {
		pack32(msg->record_count, buffer);
		for (i=0; i<msg->record_count; i++) {
			pack32 (msg->trigger_array[i].trig_id,   buffer);
			pack16 (msg->trigger_array[i].res_type,  buffer);
			packstr(msg->trigger_array[i].res_id,    buffer);
			uint16_tmp = msg->trigger_array[i].trig_type;
			pack16 (uint16_tmp,                      buffer);
			pack16 (msg->trigger_array[i].offset,    buffer);
			pack32 (msg->trigger_array[i].user_id,   buffer);
			packstr(msg->trigger_array[i].program,   buffer);
		}
	}
}

static int  _unpack_trigger_msg(trigger_info_msg_t ** msg_ptr , Buf buffer,
				uint16_t protocol_version)
{
	int i;
	uint16_t uint16_tmp;
	uint32_t uint32_tmp;
	trigger_info_msg_t *msg = xmalloc(sizeof(trigger_info_msg_t));

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		safe_unpack32  (&msg->record_count, buffer);
		msg->trigger_array = xmalloc(sizeof(trigger_info_t) *
					     msg->record_count);
		for (i=0; i<msg->record_count; i++) {
			safe_unpack16(&msg->trigger_array[i].flags,     buffer);
			safe_unpack32(&msg->trigger_array[i].trig_id,   buffer);
			safe_unpack16(&msg->trigger_array[i].res_type,  buffer);
			safe_unpackstr_xmalloc(&msg->trigger_array[i].res_id,
					       &uint32_tmp, buffer);
			safe_unpack32(&msg->trigger_array[i].trig_type, buffer);
			safe_unpack16(&msg->trigger_array[i].offset,    buffer);
			safe_unpack32(&msg->trigger_array[i].user_id,   buffer);
			safe_unpackstr_xmalloc(&msg->trigger_array[i].program,
					       &uint32_tmp, buffer);
		}
	} else if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpack32  (&msg->record_count, buffer);
		msg->trigger_array = xmalloc(sizeof(trigger_info_t) *
					     msg->record_count);
		for (i=0; i<msg->record_count; i++) {
			safe_unpack32(&msg->trigger_array[i].trig_id,   buffer);
			safe_unpack16(&msg->trigger_array[i].res_type,  buffer);
			safe_unpackstr_xmalloc(&msg->trigger_array[i].res_id,
					       &uint32_tmp, buffer);
			safe_unpack32(&msg->trigger_array[i].trig_type, buffer);
			safe_unpack16(&msg->trigger_array[i].offset,    buffer);
			safe_unpack32(&msg->trigger_array[i].user_id,   buffer);
			safe_unpackstr_xmalloc(&msg->trigger_array[i].program,
					       &uint32_tmp, buffer);
		}
	} else {
		safe_unpack32  (&msg->record_count, buffer);
		msg->trigger_array = xmalloc(sizeof(trigger_info_t) *
					     msg->record_count);
		for (i=0; i<msg->record_count; i++) {
			safe_unpack32(&msg->trigger_array[i].trig_id,   buffer);
			safe_unpack16(&msg->trigger_array[i].res_type,  buffer);
			safe_unpackstr_xmalloc(&msg->trigger_array[i].res_id,
					       &uint32_tmp, buffer);
			safe_unpack16(&uint16_tmp, buffer);
			msg->trigger_array[i].trig_type = uint16_tmp;
			safe_unpack16(&msg->trigger_array[i].offset,    buffer);
			safe_unpack32(&msg->trigger_array[i].user_id,   buffer);
			safe_unpackstr_xmalloc(&msg->trigger_array[i].program,
					       &uint32_tmp, buffer);
		}
	}
	*msg_ptr = msg;
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_trigger_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void _pack_kvs_host_rec(struct kvs_hosts *msg_ptr, Buf buffer,
			       uint16_t protocol_version)
{
	pack32(msg_ptr->task_id, buffer);
	pack16(msg_ptr->port, buffer);
	packstr(msg_ptr->hostname, buffer);
}

static int _unpack_kvs_host_rec(struct kvs_hosts *msg_ptr, Buf buffer,
				uint16_t protocol_version)
{
	uint32_t uint32_tmp;

	safe_unpack32(&msg_ptr->task_id, buffer);
	safe_unpack16(&msg_ptr->port, buffer);
	safe_unpackstr_xmalloc(&msg_ptr->hostname, &uint32_tmp, buffer);
	return SLURM_SUCCESS;

unpack_error:
	return SLURM_ERROR;
}

static void _pack_kvs_rec(struct kvs_comm *msg_ptr, Buf buffer,
			  uint16_t protocol_version)
{
	int i;
	xassert(msg_ptr != NULL);

	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		packstr(msg_ptr->kvs_name, buffer);
		pack32(msg_ptr->kvs_cnt, buffer);
		for (i=0; i<msg_ptr->kvs_cnt; i++) {
			packstr(msg_ptr->kvs_keys[i], buffer);
			packstr(msg_ptr->kvs_values[i], buffer);
		}
	} else {
		packstr(msg_ptr->kvs_name, buffer);
		pack16((uint16_t)msg_ptr->kvs_cnt, buffer);
		for (i=0; i<msg_ptr->kvs_cnt; i++) {
			packstr(msg_ptr->kvs_keys[i], buffer);
			packstr(msg_ptr->kvs_values[i], buffer);
		}
	}
}
static int  _unpack_kvs_rec(struct kvs_comm **msg_ptr, Buf buffer,
			    uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	uint16_t uint16_tmp;
	int i;
	struct kvs_comm *msg;

	msg = xmalloc(sizeof(struct kvs_comm));
	*msg_ptr = msg;
	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpackstr_xmalloc(&msg->kvs_name, &uint32_tmp, buffer);
		safe_unpack32(&msg->kvs_cnt, buffer);
		msg->kvs_keys   = xmalloc(sizeof(char *) * msg->kvs_cnt);
		msg->kvs_values = xmalloc(sizeof(char *) * msg->kvs_cnt);
		for (i=0; i<msg->kvs_cnt; i++) {
			safe_unpackstr_xmalloc(&msg->kvs_keys[i],
					       &uint32_tmp, buffer);
			safe_unpackstr_xmalloc(&msg->kvs_values[i],
					       &uint32_tmp, buffer);
		}
	} else {
		safe_unpackstr_xmalloc(&msg->kvs_name, &uint32_tmp, buffer);
		safe_unpack16(&uint16_tmp, buffer);
		msg->kvs_cnt    = uint16_tmp;
		msg->kvs_keys   = xmalloc(sizeof(char *) * msg->kvs_cnt);
		msg->kvs_values = xmalloc(sizeof(char *) * msg->kvs_cnt);
		for (i=0; i<msg->kvs_cnt; i++) {
			safe_unpackstr_xmalloc(&msg->kvs_keys[i],
					       &uint32_tmp, buffer);
			safe_unpackstr_xmalloc(&msg->kvs_values[i],
					       &uint32_tmp, buffer);
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	return SLURM_ERROR;
}
static void _pack_kvs_data(struct kvs_comm_set *msg_ptr, Buf buffer,
			   uint16_t protocol_version)
{
	int i;
	xassert(msg_ptr != NULL);

	pack16(msg_ptr->host_cnt, buffer);
	for (i=0; i<msg_ptr->host_cnt; i++)
		_pack_kvs_host_rec(&msg_ptr->kvs_host_ptr[i], buffer,
				   protocol_version);

	pack16(msg_ptr->kvs_comm_recs, buffer);
	for (i=0; i<msg_ptr->kvs_comm_recs; i++)
		_pack_kvs_rec(msg_ptr->kvs_comm_ptr[i], buffer,
			      protocol_version);
}

static int  _unpack_kvs_data(struct kvs_comm_set **msg_ptr, Buf buffer,
			     uint16_t protocol_version)
{
	struct kvs_comm_set *msg;
	int i, j;

	msg = xmalloc(sizeof(struct kvs_comm_set));
	*msg_ptr = msg;

	safe_unpack16(&msg->host_cnt, buffer);
	msg->kvs_host_ptr = xmalloc(sizeof(struct kvs_hosts) *
				    msg->host_cnt);
	for (i=0; i<msg->host_cnt; i++) {
		if (_unpack_kvs_host_rec(&msg->kvs_host_ptr[i], buffer,
					 protocol_version))
			goto unpack_error;
	}

	safe_unpack16(&msg->kvs_comm_recs, buffer);
	msg->kvs_comm_ptr = xmalloc(sizeof(struct kvs_comm) *
				    msg->kvs_comm_recs);
	for (i=0; i<msg->kvs_comm_recs; i++) {
		if (_unpack_kvs_rec(&msg->kvs_comm_ptr[i], buffer,
				    protocol_version))
			goto unpack_error;
	}
	return SLURM_SUCCESS;

unpack_error:
	for (i=0; i<msg->host_cnt; i++)
		xfree(msg->kvs_host_ptr[i].hostname);
	xfree(msg->kvs_host_ptr);
	for (i=0; i<msg->kvs_comm_recs; i++) {
		xfree(msg->kvs_comm_ptr[i]->kvs_name);
		for (j=0; j<msg->kvs_comm_ptr[i]->kvs_cnt; j++) {
			xfree(msg->kvs_comm_ptr[i]->kvs_keys[j]);
			xfree(msg->kvs_comm_ptr[i]->kvs_values[j]);
		}
		xfree(msg->kvs_comm_ptr[i]->kvs_keys);
		xfree(msg->kvs_comm_ptr[i]->kvs_values);
	}
	xfree(msg->kvs_comm_ptr);
	xfree(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void _pack_kvs_get(kvs_get_msg_t *msg_ptr, Buf buffer,
			  uint16_t protocol_version)
{
	pack32((uint32_t)msg_ptr->task_id, buffer);
	pack32((uint32_t)msg_ptr->size, buffer);
	pack16((uint16_t)msg_ptr->port, buffer);
	packstr(msg_ptr->hostname, buffer);
}

static int  _unpack_kvs_get(kvs_get_msg_t **msg_ptr, Buf buffer,
			    uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	kvs_get_msg_t *msg;

	msg = xmalloc(sizeof(struct kvs_get_msg));
	*msg_ptr = msg;
	safe_unpack32(&msg->task_id, buffer);
	safe_unpack32(&msg->size, buffer);
	safe_unpack16(&msg->port, buffer);
	safe_unpackstr_xmalloc(&msg->hostname, &uint32_tmp, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_get_kvs_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

extern void
pack_multi_core_data (multi_core_data_t *multi_core, Buf buffer,
		      uint16_t protocol_version)
{
	if (multi_core == NULL) {
		pack8((uint8_t) 0, buffer);	/* flag as Empty */
		return;
	}

	pack8((uint8_t) 0xff, buffer);		/* flag as Full */

	pack16(multi_core->sockets_per_node, buffer);
	pack16(multi_core->cores_per_socket, buffer);
	pack16(multi_core->threads_per_core, buffer);

	pack16(multi_core->ntasks_per_socket, buffer);
	pack16(multi_core->ntasks_per_core,   buffer);
	pack16(multi_core->plane_size,        buffer);
}

extern int
unpack_multi_core_data (multi_core_data_t **mc_ptr, Buf buffer,
			uint16_t protocol_version)
{
	uint8_t flag;
	multi_core_data_t *multi_core;

	*mc_ptr = NULL;
	safe_unpack8(&flag, buffer);
	if (flag == 0)
		return SLURM_SUCCESS;
	if (flag != 0xff)
		return SLURM_ERROR;

	multi_core = xmalloc(sizeof(multi_core_data_t));

	safe_unpack16(&multi_core->sockets_per_node, buffer);
	safe_unpack16(&multi_core->cores_per_socket, buffer);
	safe_unpack16(&multi_core->threads_per_core, buffer);

	safe_unpack16(&multi_core->ntasks_per_socket, buffer);
	safe_unpack16(&multi_core->ntasks_per_core,   buffer);
	safe_unpack16(&multi_core->plane_size,        buffer);

	*mc_ptr = multi_core;
	return SLURM_SUCCESS;

unpack_error:
	xfree(multi_core);
	return SLURM_ERROR;
}

static void _pack_slurmd_status(slurmd_status_t *msg, Buf buffer,
				uint16_t protocol_version)
{
	xassert(msg);

	pack_time(msg->booted, buffer);
	pack_time(msg->last_slurmctld_msg, buffer);

	pack16(msg->slurmd_debug, buffer);
	pack16(msg->actual_cpus, buffer);
	pack16(msg->actual_sockets, buffer);
	pack16(msg->actual_cores, buffer);
	pack16(msg->actual_threads, buffer);

	pack32(msg->actual_real_mem, buffer);
	pack32(msg->actual_tmp_disk, buffer);
	pack32(msg->pid, buffer);

	packstr(msg->hostname, buffer);
	packstr(msg->slurmd_logfile, buffer);
	packstr(msg->step_list, buffer);
	packstr(msg->version, buffer);
}

static int _unpack_slurmd_status(slurmd_status_t **msg_ptr, Buf buffer,
				 uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	slurmd_status_t *msg;

	xassert(msg_ptr);

	msg = xmalloc(sizeof(slurmd_status_t));

	safe_unpack_time(&msg->booted, buffer);
	safe_unpack_time(&msg->last_slurmctld_msg, buffer);

	safe_unpack16(&msg->slurmd_debug, buffer);
	safe_unpack16(&msg->actual_cpus, buffer);
	safe_unpack16(&msg->actual_sockets, buffer);
	safe_unpack16(&msg->actual_cores, buffer);
	safe_unpack16(&msg->actual_threads, buffer);

	safe_unpack32(&msg->actual_real_mem, buffer);
	safe_unpack32(&msg->actual_tmp_disk, buffer);
	safe_unpack32(&msg->pid, buffer);

	safe_unpackstr_xmalloc(&msg->hostname,       &uint32_tmp, buffer);
	safe_unpackstr_xmalloc(&msg->slurmd_logfile, &uint32_tmp, buffer);
	safe_unpackstr_xmalloc(&msg->step_list,      &uint32_tmp, buffer);
	safe_unpackstr_xmalloc(&msg->version,        &uint32_tmp, buffer);

	*msg_ptr = msg;
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_slurmd_status(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void _pack_job_notify(job_notify_msg_t *msg, Buf buffer,
			     uint16_t protocol_version)
{
	xassert(msg);

	pack32(msg->job_id,      buffer);
	pack32(msg->job_step_id, buffer);
	packstr(msg->message,    buffer);
}

static int  _unpack_job_notify(job_notify_msg_t **msg_ptr, Buf buffer,
			       uint16_t protocol_version)
{
	uint32_t uint32_tmp;
	job_notify_msg_t *msg;

	xassert(msg_ptr);

	msg = xmalloc(sizeof(job_notify_msg_t));

	safe_unpack32(&msg->job_id,      buffer);
	safe_unpack32(&msg->job_step_id, buffer);
	safe_unpackstr_xmalloc(&msg->message, &uint32_tmp, buffer);

	*msg_ptr = msg;
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_job_notify_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_set_debug_flags_msg(set_debug_flags_msg_t * msg, Buf buffer,
			  uint16_t protocol_version)
{
	pack32(msg->debug_flags_minus, buffer);
	pack32(msg->debug_flags_plus,  buffer);
}

static int
_unpack_set_debug_flags_msg(set_debug_flags_msg_t ** msg_ptr, Buf buffer,
			    uint16_t protocol_version)
{
	set_debug_flags_msg_t *msg;

	msg = xmalloc(sizeof(set_debug_flags_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->debug_flags_minus, buffer);
	safe_unpack32(&msg->debug_flags_plus,  buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_set_debug_flags_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_set_debug_level_msg(set_debug_level_msg_t * msg, Buf buffer,
			  uint16_t protocol_version)
{
	pack32(msg->debug_level, buffer);
}

static int
_unpack_set_debug_level_msg(set_debug_level_msg_t ** msg_ptr, Buf buffer,
			    uint16_t protocol_version)
{
	set_debug_level_msg_t *msg;

	msg = xmalloc(sizeof(set_debug_level_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->debug_level, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_set_debug_level_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void
_pack_will_run_response_msg(will_run_response_msg_t *msg, Buf buffer,
			    uint16_t protocol_version)
{
	uint32_t count = NO_VAL, *job_id_ptr;

	pack32(msg->job_id, buffer);
	pack32(msg->proc_cnt, buffer);
	pack_time(msg->start_time, buffer);
	packstr(msg->node_list, buffer);

	if (msg->preemptee_job_id)
		count = list_count(msg->preemptee_job_id);
	pack32(count, buffer);
	if (count && (count != NO_VAL)) {
		ListIterator itr = list_iterator_create(msg->preemptee_job_id);
		if (itr == NULL)
			fatal("list_iterator_create: malloc failure");
		while ((job_id_ptr = list_next(itr)))
			pack32(job_id_ptr[0], buffer);
		list_iterator_destroy(itr);
	}
}

static void _pre_list_del(void *x)
{
	xfree(x);
}

static int
_unpack_will_run_response_msg(will_run_response_msg_t ** msg_ptr, Buf buffer,
			      uint16_t protocol_version)
{
	will_run_response_msg_t *msg;
	uint32_t count, i, uint32_tmp, *job_id_ptr;

	msg = xmalloc(sizeof(will_run_response_msg_t));
	safe_unpack32(&msg->job_id, buffer);
	safe_unpack32(&msg->proc_cnt, buffer);
	safe_unpack_time(&msg->start_time, buffer);
	safe_unpackstr_xmalloc(&msg->node_list, &uint32_tmp, buffer);

	safe_unpack32(&count, buffer);
	if (count && (count != NO_VAL)) {
		msg->preemptee_job_id = list_create(_pre_list_del);
		for (i=0; i<count; i++) {
			safe_unpack32(&uint32_tmp, buffer);
			job_id_ptr = xmalloc(sizeof(uint32_t));
			job_id_ptr[0] = uint32_tmp;
			list_append(msg->preemptee_job_id, job_id_ptr);
		}
	}

	*msg_ptr = msg;
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_will_run_response_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void _pack_accounting_update_msg(accounting_update_msg_t *msg,
					Buf buffer,
					uint16_t protocol_version)
{
	uint32_t count = 0;
	ListIterator itr = NULL;
	slurmdb_update_object_t *rec = NULL;

	/* We need to work off the SLURMDBD_VERSION here to be able to
	   pack correctly.  Below we need to work off the
	   SLURM_VERSION instead since we don't always know which
	   SLURMDBD_VERSION is being sent yet.
	*/
	if (msg->rpc_version >= 8) {
		pack16(msg->rpc_version, buffer);
		if(msg->update_list)
			count = list_count(msg->update_list);

		pack32(count, buffer);

		if(count) {
			itr = list_iterator_create(msg->update_list);
			while((rec = list_next(itr))) {
				slurmdb_pack_update_object(
					rec, msg->rpc_version, buffer);
			}
			list_iterator_destroy(itr);
		}
	} else {
		/* Since there are some new objects that can't be sent to
		   older versions we need to take them out of the
		   update since we will get errors if we send them.
		*/
		if(msg->update_list) {
			itr = list_iterator_create(msg->update_list);
			while((rec = list_next(itr))) {
				if (rec->type > SLURMDB_MODIFY_WCKEY)
					list_remove(itr);
			}
			count = list_count(msg->update_list);
		}

		pack32(count, buffer);

		if(count) {
			list_iterator_reset(itr);
			itr = list_iterator_create(msg->update_list);
			while((rec = list_next(itr))) {
				slurmdb_pack_update_object(
					rec, msg->rpc_version, buffer);
			}
		}
		if (itr)
			list_iterator_destroy(itr);
	}
}

static int _unpack_accounting_update_msg(accounting_update_msg_t **msg,
					 Buf buffer,
					 uint16_t protocol_version)
{
	uint32_t count = 0;
	int i = 0;
	accounting_update_msg_t *msg_ptr =
		xmalloc(sizeof(accounting_update_msg_t));
	slurmdb_update_object_t *rec = NULL;

	*msg = msg_ptr;

	if (protocol_version >= SLURM_2_2_PROTOCOL_VERSION) {
		safe_unpack16(&msg_ptr->rpc_version, buffer);
		safe_unpack32(&count, buffer);
		msg_ptr->update_list = list_create(
			slurmdb_destroy_update_object);
		for(i=0; i<count; i++) {
			if((slurmdb_unpack_update_object(
				    &rec, msg_ptr->rpc_version, buffer))
			   == SLURM_ERROR)
				goto unpack_error;
			list_append(msg_ptr->update_list, rec);
		}
	} else {
		/* Before 2.2 this only happened in the slurmctld, now
		   it can happen else where, so this should work for <
		   2.2 and above will catch everything from now on.
		*/
		msg_ptr->rpc_version = SLURMDBD_VERSION;
		safe_unpack32(&count, buffer);
		msg_ptr->update_list = list_create(
			slurmdb_destroy_update_object);
		for(i=0; i<count; i++) {
			if((slurmdb_unpack_update_object(
				    &rec, msg_ptr->rpc_version, buffer))
			   == SLURM_ERROR)
				goto unpack_error;
			list_append(msg_ptr->update_list, rec);
		}
	}
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_accounting_update_msg(msg_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void _pack_topo_info_msg(topo_info_response_msg_t *msg, Buf buffer,
				uint16_t protocol_version)
{
	int i;

	pack32(msg->record_count, buffer);
	for (i=0; i<msg->record_count; i++) {
		pack16(msg->topo_array[i].level,      buffer);
		pack32(msg->topo_array[i].link_speed, buffer);
  		packstr(msg->topo_array[i].name,      buffer);
  		packstr(msg->topo_array[i].nodes,     buffer);
  		packstr(msg->topo_array[i].switches,  buffer);
	}
}

static int _unpack_topo_info_msg(topo_info_response_msg_t **msg,
				 Buf buffer,
				 uint16_t protocol_version)
{
	int i = 0;
	uint32_t uint32_tmp;
	topo_info_response_msg_t *msg_ptr =
		xmalloc(sizeof(topo_info_response_msg_t));

	*msg = msg_ptr;
	safe_unpack32(&msg_ptr->record_count, buffer);
	msg_ptr->topo_array = xmalloc(sizeof(topo_info_t) *
				      msg_ptr->record_count);
	for (i=0; i<msg_ptr->record_count; i++) {
		safe_unpack16(&msg_ptr->topo_array[i].level,      buffer);
		safe_unpack32(&msg_ptr->topo_array[i].link_speed, buffer);
		safe_unpackstr_xmalloc(&msg_ptr->topo_array[i].name,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg_ptr->topo_array[i].nodes,
				       &uint32_tmp, buffer);
		safe_unpackstr_xmalloc(&msg_ptr->topo_array[i].switches,
				       &uint32_tmp, buffer);
	}

	return SLURM_SUCCESS;

unpack_error:
	slurm_free_topo_info_msg(msg_ptr);
	*msg = NULL;
	return SLURM_ERROR;
}

static void _pack_spank_env_request_msg(spank_env_request_msg_t * msg,
					Buf buffer, uint16_t protocol_version)
{
	xassert(msg != NULL);

	pack32(msg->job_id, buffer);
}

static int _unpack_spank_env_request_msg(spank_env_request_msg_t ** msg_ptr,
					 Buf buffer, uint16_t protocol_version)
{
	spank_env_request_msg_t *msg;

	xassert(msg_ptr != NULL);
	msg = xmalloc(sizeof(spank_env_request_msg_t));
	*msg_ptr = msg;

	safe_unpack32(&msg->job_id, buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_spank_env_request_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void _pack_spank_env_responce_msg(spank_env_responce_msg_t * msg,
					 Buf buffer, uint16_t protocol_version)
{
	xassert(msg != NULL);

	packstr_array(msg->spank_job_env, msg->spank_job_env_size, buffer);
}

static int _unpack_spank_env_responce_msg(spank_env_responce_msg_t ** msg_ptr,
					  Buf buffer, uint16_t protocol_version)
{
	spank_env_responce_msg_t *msg;

	xassert(msg_ptr != NULL);
	msg = xmalloc(sizeof(spank_env_responce_msg_t));
	*msg_ptr = msg;

	safe_unpackstr_array(&msg->spank_job_env, &msg->spank_job_env_size,
			     buffer);
	return SLURM_SUCCESS;

unpack_error:
	slurm_free_spank_env_responce_msg(msg);
	*msg_ptr = NULL;
	return SLURM_ERROR;
}

static void _pack_stats_request_msg(stats_info_request_msg_t *msg, Buf buffer,
				    uint16_t protocol_version)
{
	xassert ( msg != NULL );

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION)
		pack16(msg->command_id, buffer);
}

static int  _unpack_stats_request_msg(stats_info_request_msg_t **msg_ptr,
				      Buf buffer, uint16_t protocol_version)
{
	stats_info_request_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof(stats_info_request_msg_t) );
	*msg_ptr = msg ;
	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION)
		safe_unpack16(&msg->command_id, buffer);
	else
		goto unpack_error;
	return SLURM_SUCCESS;

unpack_error:
	info("SIM: unpack_stats_request_msg error");
	*msg_ptr = NULL;
	slurm_free_stats_info_request_msg(msg);
	return SLURM_ERROR;
}

static int  _unpack_stats_response_msg(stats_info_response_msg_t **msg_ptr,
				       Buf buffer, uint16_t protocol_version)
{
	stats_info_response_msg_t * msg;
	xassert ( msg_ptr != NULL );

	msg = xmalloc ( sizeof (stats_info_response_msg_t) );
	*msg_ptr = msg ;

	if (protocol_version >= SLURM_2_4_PROTOCOL_VERSION) {
		safe_unpack32(&msg->parts_packed,	buffer);
		if (msg->parts_packed) {
			safe_unpack_time(&msg->req_time,	buffer);
			safe_unpack_time(&msg->req_time_start,	buffer);
			safe_unpack32(&msg->server_thread_count,buffer);
			safe_unpack32(&msg->agent_queue_size,	buffer);
			safe_unpack32(&msg->jobs_submitted,	buffer);
			safe_unpack32(&msg->jobs_started,	buffer);
			safe_unpack32(&msg->jobs_completed,	buffer);
			safe_unpack32(&msg->jobs_canceled,	buffer);
			safe_unpack32(&msg->jobs_failed,	buffer);

			safe_unpack32(&msg->schedule_cycle_max,	buffer);
			safe_unpack32(&msg->schedule_cycle_last,buffer);
			safe_unpack32(&msg->schedule_cycle_sum,	buffer);
			safe_unpack32(&msg->schedule_cycle_counter, buffer);
			safe_unpack32(&msg->schedule_cycle_depth, buffer);
			safe_unpack32(&msg->schedule_queue_len,	buffer);

			safe_unpack32(&msg->bf_backfilled_jobs,	buffer);
			safe_unpack32(&msg->bf_last_backfilled_jobs, buffer);
			safe_unpack32(&msg->bf_cycle_counter,	buffer);
			safe_unpack32(&msg->bf_cycle_sum,	buffer);
			safe_unpack32(&msg->bf_cycle_last,	buffer);
			safe_unpack32(&msg->bf_last_depth,	buffer);
			safe_unpack32(&msg->bf_last_depth_try,	buffer);

			safe_unpack32(&msg->bf_queue_len,	buffer);
			safe_unpack32(&msg->bf_cycle_max,	buffer);
			safe_unpack_time(&msg->bf_when_last_cycle, buffer);
			safe_unpack32(&msg->bf_depth_sum,	buffer);
			safe_unpack32(&msg->bf_depth_try_sum,	buffer);
			safe_unpack32(&msg->bf_queue_len_sum,	buffer);
			safe_unpack32(&msg->bf_active,		buffer);
		}
	} else
		goto unpack_error;

	return SLURM_SUCCESS;

unpack_error:
	info("SIM: unpack_stats_response_msg error");
	*msg_ptr = NULL;
	slurm_free_stats_response_msg(msg);
	return SLURM_ERROR;
}

/* template
   void pack_ ( * msg , Buf buffer )
   {
   xassert ( msg != NULL );

   pack16( msg -> , buffer ) ;
   pack32( msg -> , buffer ) ;
   pack_time( msg -> , buffer );
   packstr ( msg -> , buffer ) ;
   }

   int unpack_ ( ** msg_ptr , Buf buffer )
   {
   uint32_t uint32_tmp;
   * msg ;

   xassert ( msg_ptr != NULL );

   msg = xmalloc ( sizeof ( ) ) ;
   *msg_ptr = msg;

   safe_unpack16( & msg -> , buffer ) ;
   safe_unpack32( & msg -> , buffer ) ;
   safe_unpack_time ( & msg -> , buffer ) ;
   safe_unpackstr_xmalloc ( & msg -> x, & uint32_tmp , buffer ) ;
   return SLURM_SUCCESS;

   unpack_error:
   xfree(msg -> x);
   xfree(msg);
   *msg_ptr = NULL;
   return SLURM_ERROR;
   }
*/