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/*****************************************************************************\
* sercli.h - serialize and deserialize to CLI
*****************************************************************************
* Copyright (C) SchedMD LLC.
*
* This file is part of Slurm, a resource management program.
* For details, see <https://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
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* exception to your version of the file(s), but you are not obligated to do
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* the program, then also delete it here.
*
* Slurm is distributed in the hope that it will be useful, but WITHOUT ANY
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* 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 _COMMON_SERCLI_H
#define _COMMON_SERCLI_H
#include "src/common/openapi.h"
#include "src/interfaces/data_parser.h"
#include "src/interfaces/serializer.h"
/*
* Generate meta instance for a CLI command
*/
extern openapi_resp_meta_t *data_parser_cli_meta(int argc, char **argv,
const char *mime_type);
#define DATA_PARSER_DUMP_CLI_CTXT_MAGIC 0x1BA211B3
typedef struct {
int magic; /* DATA_PARSER_DUMP_CLI_CTXT_MAGIC */
int rc;
list_t *errors;
list_t *warnings;
const char *data_parser;
} data_parser_dump_cli_ctxt_t;
/*
* Dump object of given type to STDOUT
* This function is only intended for the simple dump of the data and then
* exiting of the CLI command.
* IN type - data parser type for *obj
* IN obj_bytes - sizeof(*obj)
* IN acct_db_conn - slurmdb connection or NULL
* IN mime_type - dump object as given mime type
* IN data_parser - data_parser parameters
* IN meta - ptr to meta instance
* RET SLURM_SUCCESS or error
*/
extern int data_parser_dump_cli_stdout(data_parser_type_t type, void *obj,
int obj_bytes, void *acct_db_conn,
const char *mime_type,
const char *data_parser,
data_parser_dump_cli_ctxt_t *ctxt,
openapi_resp_meta_t *meta);
/*
* Dump object to stdout
*/
#define DATA_DUMP_CLI(type, src, argc, argv, db_conn, mime_type, \
data_parser_str, rc) \
do { \
data_parser_dump_cli_ctxt_t dump_ctxt = { \
.magic = DATA_PARSER_DUMP_CLI_CTXT_MAGIC, \
.data_parser = data_parser_str, \
}; \
__typeof__(src) *src_ptr = &src; \
if (!src.OPENAPI_RESP_STRUCT_META_FIELD_NAME) \
src.OPENAPI_RESP_STRUCT_META_FIELD_NAME = \
data_parser_cli_meta(argc, argv, mime_type); \
if (!src.OPENAPI_RESP_STRUCT_ERRORS_FIELD_NAME) \
src.OPENAPI_RESP_STRUCT_ERRORS_FIELD_NAME = \
dump_ctxt.errors = \
list_create(free_openapi_resp_error); \
else \
dump_ctxt.errors = \
src.OPENAPI_RESP_STRUCT_ERRORS_FIELD_NAME; \
if (!src.OPENAPI_RESP_STRUCT_WARNINGS_FIELD_NAME) \
src.OPENAPI_RESP_STRUCT_WARNINGS_FIELD_NAME = \
dump_ctxt.warnings = list_create( \
free_openapi_resp_warning); \
else \
dump_ctxt.warnings = \
src.OPENAPI_RESP_STRUCT_WARNINGS_FIELD_NAME; \
rc = data_parser_dump_cli_stdout( \
DATA_PARSER_##type, src_ptr, sizeof(*src_ptr), \
db_conn, mime_type, data_parser_str, &dump_ctxt, \
src.OPENAPI_RESP_STRUCT_META_FIELD_NAME); \
FREE_OPENAPI_RESP_COMMON_CONTENTS(src_ptr); \
} while (false)
/*
* Dump object as single field to in common openapi response dictionary
*/
#define DATA_DUMP_CLI_SINGLE(type, src, argc, argv, db_conn, mime_type, \
data_parser, rc) \
do { \
openapi_resp_single_t openapi_resp = { \
.response = src, \
}; \
DATA_DUMP_CLI(type, openapi_resp, argc, argv, db_conn, \
mime_type, data_parser, rc); \
} while (false)
/*
* Dump given target struct src into string
* NOTE: Use SERCLI_DUMP_STR() macro instead of calling directly!
* NOTE: Use SERDES_DUMP() for fixed size buffers instead.
* NOTE: Use SERDES_DUMP_BUF() for buffers instead.
* NOTE: errors logged via openapi_error_log_foreach()
* NOTE: warnings logged via openapi_warn_log_foreach()
* IN type - data_parser type of obj
* IN db_conn - database connection pointer
* IN src - ptr to struct/scalar to dump to data_t
* This *must* be a pointer to the object and not just a value of the
* object.
* IN src_bytes - size of object pointed to by src
* OUT dst_ptr - pointer to string to populate (caller must xfree())
* IN mime_type - mime type for dumping
* IN flags - optional flags to specify to serilzier to change presentation of
* data
* IN caller - __func__ from caller for logging
* RET SLURM_SUCCESS or error
*/
extern int sercli_dump_str(data_parser_type_t type, void *db_conn, void *src,
ssize_t src_bytes, char **dst_ptr,
const char *mime_type,
const serializer_flags_t flags, const char *caller);
#define SERCLI_DUMP_STR(type, db_conn, src, dst, mime_type, flags) \
sercli_dump_str(DATA_PARSER_##type, db_conn, &(src), sizeof(src), \
&(dst), mime_type, flags, __func__)
/*
* Parse given string into target struct dst
* NOTE: Use SERCLI_PARSE_STR() macro instead of calling directly!
* NOTE: errors logged via openapi_error_log_foreach()
* NOTE: warnings logged via openapi_warn_log_foreach()
* IN parser - return from data_parser_g_new()
* IN db_conn - database connection pointer
* IN type - expected data_parser type of obj
* IN dst - ptr to struct/scalar to populate
* This *must* be a pointer to the object and not just a value of the
* object.
* IN dst_bytes - size of object pointed to by dst
* IN src - string to parse into obj.
* IN src_bytes - number of bytes in string to parse.
* IN mime_type - deserialize data using given mime_type
* IN caller - __func__ from caller
* RET SLURM_SUCCESS or error
*/
extern int sercli_parse_str(data_parser_type_t type, void *db_conn, void *dst,
ssize_t dst_bytes, const char *src,
const size_t src_bytes, const char *mime_type,
const char *caller);
#define SERCLI_PARSE_STR(type, db_conn, dst, src, src_bytes, mime_type) \
sercli_parse_str(DATA_PARSER_##type, db_conn, &dst, sizeof(dst), src, \
src_bytes, mime_type, __func__)
/*
* Create data_parser instance for CLI
* IN data_parser - data_parser parameters
* RET parser ptr
* Must be freed by call to data_parser_g_free()
*/
extern data_parser_t *data_parser_cli_parser(const char *data_parser,
void *arg);
#endif