1 /*
2  * BDB Database Driver for Kamailio
3  *
4  * Copyright (C) 2008 iptelorg GmbH
5  *
6  * This file is part of Kamailio, a free SIP server.
7  *
8  * Kamailio is free software; you can redistribute it and/or modify it under the
9  * terms of the GNU General Public License as published by the Free Software
10  * Foundation; either version 2 of the License, or (at your option) any later
11  * version.
12  *
13  * Kamailio is distributed in the hope that it will be useful, but WITHOUT ANY
14  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
16  * details.
17  *
18  * You should have received a copy of the GNU General Public License along
19  * with this program; if not, write to the Free Software Foundation, Inc.,
20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21  */
22 
23 #ifndef _BDB_CON_H_
24 #define _BDB_CON_H_
25 
26 /** \addtogroup bdb
27  * @{
28  */
29 
30 /*! \file
31  * Berkeley DB : Implementation of BDB per-connection related data structures and functions.
32  *
33  * \ingroup database
34  */
35 
36 #include <time.h>
37 #include <db.h>
38 
39 #include "../../lib/srdb2/db_pool.h"
40 #include "../../lib/srdb2/db_con.h"
41 #include "../../lib/srdb2/db_uri.h"
42 
43 #include "bdb_lib.h"
44 
45 /**
46  * Per-connection flags for BDB connections.
47  */
48 enum bdb_con_flags
49 {
50 	BDB_CONNECTED =
51 			(1 << 0), /**< The connection has been connected successfully */
52 };
53 
54 
55 /** A structure representing a connection to a BDB.
56  * This structure represents connections to BDB. It contains
57  * BDB specific per-connection data,
58  */
59 
60 typedef struct _bdb_con
61 {
62 	db_pool_entry_t gen; /**< Generic part of the structure */
63 	bdb_db_t *dbp;		 /**< DB structure handle */
64 	unsigned int flags;  /**< Flags */
65 } bdb_con_t, *bdb_con_p;
66 
67 /** Create a new bdb_con structure.
68  * This function creates a new bdb_con structure and attachs the structure to
69  * the generic db_con structure in the parameter.
70  * @param con A generic db_con structure to be extended with BDB payload
71  * @retval 0 on success
72  * @retval A negative number on error
73  */
74 int bdb_con(db_con_t *con);
75 
76 
77 /** Establish a new connection to server.
78  * This function is called when a SER module calls db_connect to establish a
79  * new connection to the database server.
80  * @param con A structure representing database connection.
81  * @retval 0 on success.
82  * @retval A negative number on error.
83  */
84 int bdb_con_connect(db_con_t *con);
85 
86 
87 /** Disconnected from BDB.
88  * Disconnects a previously connected connection to BDB.
89  * @param con A structure representing the connection to be disconnected.
90  */
91 void bdb_con_disconnect(db_con_t *con);
92 
93 /** @} */
94 
95 #endif /* _BDB_CON_H_ */
96