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/*
* $Id$
*
* ALIAS_DB Module
*
* Copyright (C) 2004 Voice Sistem SRL
*
* This file is part of a module for Kamailio, a free SIP server.
*
* Kamailio 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
*
* Kamailio 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:
* --------
* 2004-09-01: first version (ramona)
*/
#include <stdio.h>
#include <string.h>
#include "../../sr_module.h"
#include "../../lib/srdb1/db.h"
#include "../../dprint.h"
#include "../../error.h"
#include "../../mem/mem.h"
#include "../../ut.h"
#include "../../mod_fix.h"
#include "alookup.h"
#include "api.h"
MODULE_VERSION
/* Module destroy function prototype */
static void destroy(void);
/* Module child-init function prototype */
static int child_init(int rank);
/* Module initialization function prototype */
static int mod_init(void);
static int w_alias_db_lookup(struct sip_msg* _msg, char* _table, char* _str2);
/* Module parameter variables */
static str db_url = str_init(DEFAULT_RODB_URL);
str user_column = str_init("username");
str domain_column = str_init("domain");
str alias_user_column = str_init("alias_username");
str alias_domain_column = str_init("alias_domain");
str domain_prefix = {NULL, 0};
int use_domain = 0;
int ald_append_branches = 0;
db1_con_t* db_handle; /* Database connection handle */
db_func_t adbf; /* DB functions */
/* Exported functions */
static cmd_export_t cmds[] = {
{"alias_db_lookup", (cmd_function)w_alias_db_lookup, 1, fixup_spve_null, 0,
REQUEST_ROUTE|FAILURE_ROUTE},
{"bind_alias_db", (cmd_function)bind_alias_db, 1, 0, 0,
0},
{0, 0, 0, 0, 0, 0}
};
/* Exported parameters */
static param_export_t params[] = {
{"db_url", PARAM_STR, &db_url },
{"user_column", PARAM_STR, &user_column },
{"domain_column", PARAM_STR, &domain_column },
{"alias_user_column", PARAM_STR, &alias_user_column },
{"alias_domain_column", PARAM_STR, &alias_domain_column },
{"use_domain", INT_PARAM, &use_domain },
{"domain_prefix", PARAM_STR, &domain_prefix },
{"append_branches", INT_PARAM, &ald_append_branches },
{0, 0, 0}
};
/* Module interface */
struct module_exports exports = {
"alias_db",
DEFAULT_DLFLAGS, /* dlopen flags */
cmds, /* Exported functions */
params, /* Exported parameters */
0, /* exported statistics */
0, /* exported MI functions */
0, /* exported pseudo-variables */
0, /* extra processes */
mod_init, /* module initialization function */
0, /* response function */
destroy, /* destroy function */
child_init /* child initialization function */
};
/**
*
*/
static int child_init(int rank)
{
if (rank==PROC_INIT || rank==PROC_MAIN || rank==PROC_TCP_MAIN)
return 0; /* do nothing for the main process */
db_handle = adbf.init(&db_url);
if (!db_handle)
{
LM_ERR("unable to connect database\n");
return -1;
}
return 0;
}
/**
*
*/
static int mod_init(void)
{
/* Find a database module */
if (db_bind_mod(&db_url, &adbf))
{
LM_ERR("unable to bind database module\n");
return -1;
}
if (!DB_CAPABILITY(adbf, DB_CAP_QUERY))
{
LM_CRIT("database modules does not "
"provide all functions needed by avpops module\n");
return -1;
}
return 0;
}
/**
*
*/
static void destroy(void)
{
if (db_handle) {
adbf.close(db_handle);
db_handle = 0;
}
}
static int w_alias_db_lookup(struct sip_msg* _msg, char* _table, char* _str2)
{
str table_s;
if(_table==NULL || fixup_get_svalue(_msg, (gparam_p)_table, &table_s)!=0)
{
LM_ERR("invalid table parameter\n");
return -1;
}
return alias_db_lookup(_msg, table_s);
}
int bind_alias_db(struct alias_db_binds *pxb)
{
if (pxb == NULL)
{
LM_WARN("bind_alias_db: Cannot load alias_db API into a NULL pointer\n");
return -1;
}
pxb->alias_db_lookup = alias_db_lookup;
return 0;
}
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