| /* |
| * 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: |
| /* |
| * TODO: handle handover here... then the audio should go to |
| * the old mgcp port.. |
| */ |
| /* 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) |
| { |
| osmo_signal_register_handler(SS_ABISIP, handle_abisip_signal, net); |
| return 0; |
| } |