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kamailio/lib/srdb2/db_con.c

108 lines
2.4 KiB

/*
* Copyright (C) 2001-2003 FhG FOKUS
* Copyright (C) 2006-2007 iptelorg GmbH
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio 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
*
* Kamailio 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/** \ingroup DB_API
* @{
*/
#include "db_con.h"
#include "../../mem/mem.h"
#include "../../dprint.h"
#include <string.h>
#include <stdlib.h>
/*
* Default implementation of the connect function is noop,
* db drivers can override the function pointer in db_con
* structures
*/
static int db_con_connect(db_con_t* con)
{
return 0;
}
/*
* Default implementation of the disconnect function is noop,
* db drivers can override the function pointer in db_con
* structures
*/
static void db_con_disconnect(db_con_t* con)
{
}
/*
* Create a new generic db_con structure representing a
* database connection and call the driver specific function
* in the driver that is associated with the structure based
* on the scheme of uri parameter
*/
db_con_t* db_con(db_ctx_t* ctx, db_uri_t* uri)
{
db_con_t* newp;
newp = (db_con_t*)pkg_malloc(sizeof(db_con_t));
if (newp == NULL) {
ERR("db_con: No memory left\n");
goto error;
}
memset(newp, '\0', sizeof(db_con_t));
if (db_gen_init(&newp->gen) < 0) goto error;
newp->uri = uri;
newp->ctx = ctx;
newp->connect = db_con_connect;
newp->disconnect = db_con_disconnect;
/* Call db_ctx function if the driver has it */
if (db_drv_call(&uri->scheme, "db_con", newp, ctx->con_n) < 0) {
goto error;
}
return newp;
error:
if (newp) {
db_gen_free(&newp->gen);
pkg_free(newp);
}
return NULL;
}
/*
* Releaase all memory used by the structure
*/
void db_con_free(db_con_t* con)
{
if (con == NULL) return;
db_gen_free(&con->gen);
if (con->uri) db_uri_free(con->uri);
pkg_free(con);
}
/** @} */