osmo-msc/openbsc/src/osmo-bsc/osmo_bsc_audio.c

71 lines
1.9 KiB
C

/*
* ipaccess audio handling
*
* (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2009-2010 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <openbsc/osmo_msc_data.h>
#include <openbsc/osmo_bsc.h>
#include <openbsc/abis_rsl.h>
#include <openbsc/gsm_data.h>
#include <openbsc/debug.h>
#include <openbsc/signal.h>
#include <arpa/inet.h>
static int handle_abisip_signal(unsigned int subsys, unsigned int signal,
void *handler_data, void *signal_data)
{
struct gsm_subscriber_connection *con;
struct gsm_lchan *lchan = signal_data;
int rc;
if (subsys != SS_ABISIP)
return 0;
con = lchan->conn;
if (!con || !con->sccp_con)
return 0;
switch (signal) {
case S_ABISIP_CRCX_ACK:
/* we can ask it to connect now */
LOGP(DMSC, LOGL_DEBUG, "Connecting BTS to port: %d conn: %d\n",
con->sccp_con->rtp_port, lchan->abis_ip.conn_id);
rc = rsl_ipacc_mdcx(lchan, ntohl(INADDR_ANY),
con->sccp_con->rtp_port,
lchan->abis_ip.rtp_payload2);
if (rc < 0) {
LOGP(DMSC, LOGL_ERROR, "Failed to send MDCX: %d\n", rc);
return rc;
}
break;
}
return 0;
}
int osmo_bsc_audio_init(struct gsm_network *net)
{
net->hardcoded_rtp_payload = 98;
register_signal_handler(SS_ABISIP, handle_abisip_signal, net);
return 0;
}