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pg_con.h
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pg_con.h
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/*
* POSTGRES module, portions of this code were templated using
* the mysql module, thus it's similarity.
*
* Copyright (C) 2003 August.Net Services, LLC
*
* This file is part of opensips, a free SIP server.
*
* opensips 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
*
* opensips 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
*
* ---
*
* History
* -------
* 2003-04-06 initial code written (Greg Fausak/Andy Fullford)
*
*/
#ifndef PG_CON_H
#define PG_CON_H
#include "../../db/db_pool.h"
#include "../../db/db_id.h"
#include "../tls_mgm/tls_helper.h"
#include <time.h>
#include <libpq-fe.h>
/*
* Postgres specific connection data
*/
struct pg_con {
struct db_id* id; /**< Connection identifier */
unsigned int ref; /**< Reference count */
struct pool_con *async_pool; /**< Subpool of identical database handles */
int no_transfers; /**< Number of async queries to this backend */
struct db_transfer *transfers; /**< Array of ongoing async operations */
struct pool_con *next; /**< Next element in the pool (different db_id) */
int connected;
char *sqlurl; /* the url we are connected to, all connection memory parents from this */
PGconn *con; /* this is the postgres connection */
PGresult *res; /* this is the current result */
char** row; /* Actual row in the result */
time_t timestamp; /* Timestamp of last query */
struct tls_domain *tls_dom;; /* TLS domain */
};
#define CON_SQLURL(db_con) (((struct pg_con*)((db_con)->tail))->sqlurl)
#define CON_RESULT(db_con) (((struct pg_con*)((db_con)->tail))->res)
#define CON_CONNECTION(db_con) (((struct pg_con*)((db_con)->tail))->con)
#define CON_CONNECTED(db_con) (((struct pg_con*)((db_con)->tail))->connected)
#define CON_ROW(db_con) (((struct pg_con*)((db_con)->tail))->row)
#define CON_TIMESTAMP(db_con) (((struct pg_con*)((db_con)->tail))->timestamp)
#define CON_ID(db_con) (((struct pg_con*)((db_con)->tail))->id)
str *get_postgres_tls_dom(struct db_id* id);
/*
* Create a new connection structure,
* open the PostgreSQL connection and set reference count to 1
*/
struct pg_con* db_postgres_new_connection(struct db_id* id);
/*
* Create a new connection structure,
* open the PostgreSQL connection and set reference count to 1
*/
struct pg_con* db_postgres_new_async_connection(struct db_id* id);
/*
* Close the connection and release memory
*/
void db_postgres_free_connection(struct pool_con* con);
#endif /* PG_CON_H */