my_con.h

用来作为linux中SIP SERVER,完成VOIP网络电话中服务器的功能

/* 
 * $Id: my_con.h,v 1.3 2004/08/24 08:58:31 janakj Exp $
 *
 *
 * Copyright (C) 2001-2003 FhG Fokus
 *
 * This file is part of ser, a free SIP server.
 *
 * ser 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
 *
 * For a license to use the ser software under conditions
 * other than those described here, or to purchase support for this
 * software, please contact iptel.org by e-mail at the following addresses:
 *    [e-mail]
 *
 * ser 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 <time.h>
#include <mysql/mysql.h>
#include "my_id.h"

struct my_con {
	struct my_id* id;    /* Connection identifier */
	int ref;             /* Reference count */
	MYSQL_RES* res;      /* Actual result */
	MYSQL* con;          /* Connection representation */
	MYSQL_ROW row;       /* Actual row in the result */
	time_t timestamp;    /* Timestamp of last query */
	struct my_con* next; /* Next connection in the pool */
};


/*
 * 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 my_id* id);


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

#endif /* MY_CON_H */