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/*****************************************************************************\
* licenses.h - Definitions for handling cluster-wide consumable resources
*****************************************************************************
* Copyright (C) 2008-2011 Lawrence Livermore National Security.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Morris Jette <jette@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://slurm.schedmd.com/>.
* 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.
\*****************************************************************************/
#ifndef _LICENSES_H
#define _LICENSES_H
#include "src/common/list.h"
#include "src/slurmctld/slurmctld.h"
typedef struct licenses {
char * name; /* name associated with a license */
uint32_t total; /* total license configued */
uint32_t used; /* used licenses */
uint8_t remote; /* non-zero if remote (from database) */
} licenses_t;
extern List license_list;
extern List clus_license_list;
extern time_t last_license_update;
/* Get string of used license information. Caller must xfree return value */
extern char *get_licenses_used(void);
/* Initialize licenses on this system based upon slurm.conf */
extern int license_init(char *licenses);
/* Update licenses on this system based upon slurm.conf.
* Remove all previously allocated licenses */
extern int license_update(char *licenses);
extern void license_add_remote(slurmdb_res_rec_t *rec);
extern void license_update_remote(slurmdb_res_rec_t *rec);
extern void license_remove_remote(slurmdb_res_rec_t *rec);
extern void license_sync_remote(List res_list);
/* Free memory associated with licenses on this system */
extern void license_free(void);
/* Free a license_t record (for use by list_destroy) */
extern void license_free_rec(void *x);
/*
* license_job_copy - create a copy of a job's license list
* IN license_list_src - job license list to be copied
* RET a copy of the original job license list
*/
extern List license_job_copy(List license_list_src);
/*
* license_job_get - Get the licenses required for a job
* IN job_ptr - job identification
* RET SLURM_SUCCESS or failure code
*/
extern int license_job_get(struct job_record *job_ptr);
/*
* license_job_merge - The licenses from one job have just been merged into
* another job by appending one job's licenses to another, possibly
* including duplicate names. Reconstruct this job's licenses and
* license_list fields to eliminate duplicates.
*/
extern void license_job_merge(struct job_record *job_ptr);
/*
* license_job_return - Return the licenses allocated to a job
* IN job_ptr - job identification
* RET SLURM_SUCCESS or failure code
*/
extern int license_job_return(struct job_record *job_ptr);
/*
* license_job_test - Test if the licenses required for a job are available
* IN job_ptr - job identification
* IN when - time to check
* RET: SLURM_SUCCESS, EAGAIN (not available now), SLURM_ERROR (never runnable)
*/
extern int license_job_test(struct job_record *job_ptr, time_t when);
/*
* license_validate - Test if the required licenses are valid
* IN licenses - required licenses
* OUT valid - true if required licenses are valid and a sufficient number
* are configured (though not necessarily available now)
* RET license_list, must be destroyed by caller
*/
extern List license_validate(char *licenses, bool *valid);
/*
* license_list_overlap - test if there is any overlap in licenses
* names found in the two lists
*/
extern bool license_list_overlap(List list_1, List list_2);
/* pack_all_licenses()
*
* Get the licenses and the usage counters in the io buffer
* to be sent out to the library
*/
extern void
get_all_license_info(char **buffer_ptr,
int *buffer_size,
uid_t uid,
uint16_t protocol_version);
#endif /* !_LICENSES_H */