my_con.h

来自「性能优秀的SIP Proxy」· C头文件 代码 · 共 67 行

/* 
 * $Id: my_con.h,v 1.2 2005/06/16 12:41:51 bogdan_iancu Exp $
 *
 * Copyright (C) 2001-2003 FhG Fokus
 *
 * This file is part of openser, a free SIP server.
 *
 * openser 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
 *
 * openser 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef MY_CON_H
#define MY_CON_H

#include "../../db/db_pool.h"
#include "../../db/db_id.h"

#include <time.h>
#include <mysql/mysql.h>


struct my_con {
	struct db_id* id;        /* Connection identifier */
	unsigned int ref;        /* Reference count */
	struct pool_con* next;   /* Next connection in the pool */

	MYSQL_RES* res;          /* Actual result */
	MYSQL* con;              /* Connection representation */
	MYSQL_ROW row;           /* Actual row in the result */
	time_t timestamp;        /* Timestamp of last query */
};


/*
 * Some convenience wrappers
 */
#define CON_RESULT(db_con)     (((struct my_con*)((db_con)->tail))->res)
#define CON_CONNECTION(db_con) (((struct my_con*)((db_con)->tail))->con)
#define CON_ROW(db_con)        (((struct my_con*)((db_con)->tail))->row)
#define CON_TIMESTAMP(db_con)  (((struct my_con*)((db_con)->tail))->timestamp)


/*
 * Create a new connection structure,
 * open the MySQL connection and set reference count to 1
 */
struct my_con* new_connection(struct db_id* id);


/*
 * Close the connection and release memory
 */
void free_connection(struct my_con* con);

#endif /* MY_CON_H */