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/*
* rtpproxy module
*
* Copyright (c) 2013 Crocodile RCS Ltd
*
* This file is part of 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
*
*/
#include "../../lib/srdb1/db.h"
#include "../../lib/srdb1/db_res.h"
#include "rtpengine.h"
#define RTPP_TABLE_VERSION 1
static db_func_t rtpp_dbf;
static db1_con_t *rtpp_db_handle = NULL;
str rtpp_db_url = {NULL, 0};
str rtpp_table_name = str_init("rtpproxy");
str rtpp_set_id_col = str_init("set_id");
str rtpp_url_col = str_init("url");
static int rtpp_connect_db(void)
{
if ((rtpp_db_url.s == NULL) || (rtpp_db_url.len == 0))
return -1;
if ((rtpp_db_handle = rtpp_dbf.init(&rtpp_db_url)) == NULL)
{
LM_ERR("Cannot initialize db connection\n");
return -1;
}
return 0;
}
static void rtpp_disconnect_db(void)
{
if (rtpp_db_handle)
{
rtpp_dbf.close(rtpp_db_handle);
rtpp_db_handle = NULL;
}
}
static int rtpp_load_db(void)
{
int i;
struct rtpp_set *rtpp_list = NULL;
db1_res_t *res = NULL;
db_val_t *values = NULL;
db_row_t *rows = NULL;
db_key_t query_cols[] = {&rtpp_set_id_col, &rtpp_url_col};
str url;
int set_id;
/* int weight, flags; */
int n_rows = 0;
int n_cols = 2;
if (rtpp_db_handle == NULL)
{
LM_ERR("invalid db handle\n");
return -1;
}
if (rtpp_dbf.use_table(rtpp_db_handle, &rtpp_table_name) < 0)
{
LM_ERR("unable to use table '%.*s'\n", rtpp_table_name.len, rtpp_table_name.s);
return -1;
}
if (rtpp_dbf.query(rtpp_db_handle, 0, 0, 0, query_cols, 0, n_cols, 0, &res) < 0)
{
LM_ERR("error while running db query\n");
return -1;
}
n_rows = RES_ROW_N(res);
rows = RES_ROWS(res);
if (n_rows == 0)
{
LM_WARN("No rtpproxy instances in database\n");
return 0;
}
for (i=0; i<n_rows; i++)
{
values = ROW_VALUES(rows + i);
set_id = VAL_INT(values);
url.s = VAL_STR(values+1).s;
url.len = strlen(url.s);
/*
weight = VAL_INT(values+2);
flags = VAL_INT(values+3);
*/
if ((rtpp_list = get_rtpp_set(set_id)) == NULL)
{
LM_ERR("error getting rtpp_list for set %d\n", set_id);
continue;
}
if (add_rtpengine_socks(rtpp_list, url.s) != 0)
{
LM_ERR("error inserting '%.*s' into set %d\n", url.len, url.s, set_id);
}
}
rtpp_dbf.free_result(rtpp_db_handle, res);
return 0;
}
int init_rtpproxy_db(void)
{
int ret;
int rtpp_table_version;
if (rtpp_db_url.s == NULL)
/* Database not configured */
return 0;
if (db_bind_mod(&rtpp_db_url, &rtpp_dbf) < 0)
{
LM_ERR("Unable to bind to db driver - %.*s\n", rtpp_db_url.len, rtpp_db_url.s);
return -1;
}
if (rtpp_connect_db() != 0)
{
LM_ERR("Unable to connect to db\n");
return -1;
}
rtpp_table_version = db_table_version(&rtpp_dbf, rtpp_db_handle, &rtpp_table_name);
if (rtpp_table_version < 0)
{
LM_ERR("failed to get rtpp table version\n");
ret = -1;
goto done;
}
switch (rtpp_table_version) {
case RTPP_TABLE_VERSION:
break;
default:
LM_ERR("invalid table version (found %d, require %d)\n",
rtpp_table_version, RTPP_TABLE_VERSION);
ret = -1;
goto done;
}
ret = rtpp_load_db();
done:
rtpp_disconnect_db();
return ret;
}
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