Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxcommon.h"

#include "zbxdb.h"

#include "zbxalgo.h"

#include "zbxdbschema.h"

#include "zbxtypes.h"

​

static zbx_dbconn_t *dbconn;

static int      db_autoincrement;

​

void    zbx_db_init_autoincrement_options(void)

{

    db_autoincrement = 1;

}

​

/******************************************************************************

 *                                                                            *

 * Purpose: connect to the database                                           *

 *                                                                            *

 * Parameters: flag - ZBX_DB_CONNECT_ONCE (try once and return the result),   *

 *                    ZBX_DB_CONNECT_EXIT (exit on failure) or                *

 *                    ZBX_DB_CONNECT_NORMAL (retry until connected)           *

 *                                                                            *

 * Return value: ZBX_DB_OK - successfully connected                           *

 *               ZBX_DB_DOWN - database is down                               *

 *               ZBX_DB_FAIL - failed to connect                              *

 *                                                                            *

 ******************************************************************************/

int zbx_db_connect(int flag)

{

    int     ret;

    zbx_dbconn_t    *db;

​

    if (NULL != dbconn)

        THIS_SHOULD_NEVER_HAPPEN;

​

    db = zbx_dbconn_create();

​

    (void)zbx_dbconn_set_connect_options(db, flag);

    zbx_dbconn_set_autoincrement(db, db_autoincrement);

    ret = zbx_dbconn_open(db);

​

    dbconn = db;

​

    return ret;

}

​

/******************************************************************************

 *                                                                            *

 * Purpose: close database connection                                         *