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kamailio/modules/db_flatstore/flat_con.h

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/*
* $Id$
*
* Copyright (C) 2004 FhG FOKUS
* Copyright (C) 2008 iptelorg GmbH
* Written by Jan Janak <jan@iptel.org>
*
* 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.
*
* 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 _FLAT_CON_H
#define _FLAT_CON_H
/** \addtogroup flatstore
* @{
*/
/** \file
* Inmplementation of flatstore "connections".
*/
#include "../../lib/srdb2/db_pool.h"
#include "../../lib/srdb2/db_con.h"
#include "../../lib/srdb2/db_uri.h"
#include <stdio.h>
/**
* Per-connection flags for flatstore connections.
*/
enum flat_con_flags {
FLAT_OPENED = (1 << 0), /**< Handle opened successfully */
};
struct flat_file {
char* filename; /**< Name of file within the directory */
str table; /**< Table name the file belongs to */
FILE* f; /**< File handle of the file */
};
/** A structure representing flatstore virtual connections.
* Flatstore module is writing data to files on a local filesystem only so
* there is no concept of real database connections. In flatstore module a
* connection is related with a directory on the filesystem and it contains
* file handles to files in that directory. The file handles are then used
* from commands to write data in them.
*/
struct flat_con {
db_pool_entry_t gen; /**< Generic part of the structure */
struct flat_file* file;
int n; /**< Size of the file array */
unsigned int flags; /**< Flags */
};
/** Create a new flat_con structure.
* This function creates a new flat_con structure and attachs the structure to
* the generic db_con structure in the parameter.
* @param con A generic db_con structure to be extended with flatstore payload
* @retval 0 on success
* @retval A negative number on error
*/
int flat_con(db_con_t* con);
int flat_con_connect(db_con_t* con);
void flat_con_disconnect(db_con_t* con);
int flat_open_table(int *idx, db_con_t* con, str* name);
/** @} */
#endif /* _FLAT_CON_H */