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authorNeels Hofmeyr <nhofmeyr@sysmocom.de>2017-07-13 02:03:50 +0200
committerNeels Hofmeyr <neels@hofmeyr.de>2017-08-30 14:14:58 +0200
commitee6cfdc0d9710e3a69c8e1939eb21c8f2b759885 (patch)
treeed5aeb0979a1838778649078847a1ed6caa6b1a4 /src/osmo-bsc/osmo_bsc_audio.c
parent6c809185ee86d318d10205756bb6d91914d11fdf (diff)
split off osmo-sgsn: remove files, apply build1.1.0
Diffstat (limited to 'src/osmo-bsc/osmo_bsc_audio.c')
-rw-r--r--src/osmo-bsc/osmo_bsc_audio.c141
1 files changed, 0 insertions, 141 deletions
diff --git a/src/osmo-bsc/osmo_bsc_audio.c b/src/osmo-bsc/osmo_bsc_audio.c
deleted file mode 100644
index b4ffa88f..00000000
--- a/src/osmo-bsc/osmo_bsc_audio.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * 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/bsc_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 <osmocom/gsm/gsm0808.h>
-#include <osmocom/gsm/gsm0808_utils.h>
-#include <openbsc/osmo_bsc_sigtran.h>
-
-#include <arpa/inet.h>
-
-/* Generate and send assignment complete message */
-static int send_aoip_ass_compl(struct gsm_subscriber_connection *conn, struct gsm_lchan *lchan)
-{
- struct msgb *resp;
- struct sockaddr_storage rtp_addr;
- struct sockaddr_in rtp_addr_in;
- struct gsm0808_speech_codec sc;
-
- OSMO_ASSERT(lchan->abis_ip.ass_compl.valid == true);
-
- /* Package RTP-Address data */
- memset(&rtp_addr_in, 0, sizeof(rtp_addr_in));
- rtp_addr_in.sin_family = AF_INET;
- rtp_addr_in.sin_port = htons(lchan->abis_ip.bound_port);
- rtp_addr_in.sin_addr.s_addr = htonl(lchan->abis_ip.bound_ip);
- memset(&rtp_addr, 0, sizeof(rtp_addr));
- memcpy(&rtp_addr, &rtp_addr_in, sizeof(rtp_addr_in));
-
- /* Extrapolate speech codec from speech mode */
- gsm0808_speech_codec_from_chan_type(&sc, lchan->abis_ip.ass_compl.speech_mode);
-
- /* Generate message */
- resp = gsm0808_create_ass_compl(lchan->abis_ip.ass_compl.rr_cause,
- lchan->abis_ip.ass_compl.chosen_channel,
- lchan->abis_ip.ass_compl.encr_alg_id,
- lchan->abis_ip.ass_compl.speech_mode,
- &rtp_addr,
- &sc,
- NULL);
-
- if (!resp) {
- LOGP(DMSC, LOGL_ERROR, "Failed to generate assignment completed message!\n"); \
- return -EINVAL;
- }
-
- return osmo_bsc_sigtran_send(conn->sccp_con, resp);
-}
-
-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;
- uint32_t rtp_ip;
-
- 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);
-
- /* If AoIP is in use, the rtp_ip, which has been communicated
- * via the A interface as connect_ip */
- if(con->sccp_con->rtp_ip)
- rtp_ip = con->sccp_con->rtp_ip;
- else
- rtp_ip = ntohl(INADDR_ANY);
-
- rc = rsl_ipacc_mdcx(lchan, rtp_ip,
- 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;
-
- case S_ABISIP_MDCX_ACK:
- if (con->ho_lchan) {
- /* NOTE: When an ho_lchan exists, the MDCX is part of an
- * handover operation (intra-bsc). This means we will not
- * inform the MSC about the event, which means that no
- * assignment complete message is transmitted */
- LOGP(DMSC, LOGL_INFO," RTP connection handover complete\n");
- } else if (is_ipaccess_bts(con->bts) && con->sccp_con->rtp_ip) {
- /* NOTE: This is only relevant on AoIP networks with
- * IPA based base stations. See also osmo_bsc_api.c,
- * function bsc_assign_compl() */
- LOGP(DMSC, LOGL_INFO, "Tx MSC ASSIGN COMPL (POSTPONED)\n");
- if (send_aoip_ass_compl(con, lchan) != 0)
- return -EINVAL;
- }
- break;
- break;
- }
-
- return 0;
-}
-
-int osmo_bsc_audio_init(struct gsm_network *net)
-{
- osmo_signal_register_handler(SS_ABISIP, handle_abisip_signal, net);
- return 0;
-}