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kamailio/lib/srdb2/db_ctx.h

113 lines
2.6 KiB

/*
* $Id$
*
* Copyright (C) 2001-2003 FhG FOKUS
* Copyright (C) 2006-2007 iptelorg GmbH
*
* 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:
* info@iptel.org
*
* 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 _DB_CTX_H
#define _DB_CTX_H 1
/** \ingroup DB_API
* @{
*/
#include "db_drv.h"
#include "db_gen.h"
#include "db_con.h"
#include "../../str.h"
#include "../../list.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct db_ctx;
/* This structure is stored in a linked list inside db_ctx
* and is used to lookup driver-specific data based on module
* name. A driver can have multiple connections in a context but
* it should have only one structure attached to db_ctx structure
* (which will be shared by all the connections of that driver in
* db_ctx.
*/
struct db_ctx_data {
str module;
db_drv_t* data;
SLIST_ENTRY(db_ctx_data) next;
};
typedef struct db_ctx {
db_gen_t gen; /* Generic data common for all DB API structures */
str id; /* Text id of the context */
int con_n; /* Number of connections in the context */
SLIST_HEAD(, db_ctx_data) data;
struct db_con* con[DB_PAYLOAD_MAX];
} db_ctx_t;
/*
* Create a new database context
*/
struct db_ctx* db_ctx(const char* id);
/* Remove the database context structure
* from the linked list and free all memory
* used by the structure
*/
void db_ctx_free(struct db_ctx* ctx);
/*
* Add a new database to database context
*/
int db_add_db(struct db_ctx* ctx, const char* uri);
/*
* Attempt to connect all connections in the
* context
*/
int db_connect(struct db_ctx* ctx);
/*
* Disconnect all database connections in the
* context
*/
void db_disconnect(struct db_ctx* ctx);
#ifdef __cplusplus
}
#endif /* __cplusplus */
/** @} */
#endif /* _DB_CTX_H */