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path: root/openbsc/src/libmgcp/mgcp_protocol.c
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Diffstat (limited to 'openbsc/src/libmgcp/mgcp_protocol.c')
-rw-r--r--openbsc/src/libmgcp/mgcp_protocol.c141
1 files changed, 0 insertions, 141 deletions
diff --git a/openbsc/src/libmgcp/mgcp_protocol.c b/openbsc/src/libmgcp/mgcp_protocol.c
index 18a25bc88..c136e319e 100644
--- a/openbsc/src/libmgcp/mgcp_protocol.c
+++ b/openbsc/src/libmgcp/mgcp_protocol.c
@@ -59,9 +59,6 @@ static struct msgb *handle_modify_con(struct mgcp_parse_data *data);
static struct msgb *handle_rsip(struct mgcp_parse_data *data);
static struct msgb *handle_noti_req(struct mgcp_parse_data *data);
-static void create_transcoder(struct mgcp_endpoint *endp);
-static void delete_transcoder(struct mgcp_endpoint *endp);
-
static int setup_rtp_processing(struct mgcp_endpoint *endp);
static int mgcp_analyze_header(struct mgcp_parse_data *parse, char *data);
@@ -604,28 +601,6 @@ static int allocate_ports(struct mgcp_endpoint *endp)
return -1;
}
- if (endp->cfg->transcoder_ip && endp->tcfg->trunk_type == MGCP_TRUNK_VIRTUAL) {
- if (allocate_port(endp, &endp->trans_net,
- &endp->cfg->transcoder_ports,
- mgcp_bind_trans_net_rtp_port) != 0) {
- mgcp_rtp_end_reset(&endp->net_end);
- mgcp_rtp_end_reset(&endp->bts_end);
- return -1;
- }
-
- if (allocate_port(endp, &endp->trans_bts,
- &endp->cfg->transcoder_ports,
- mgcp_bind_trans_bts_rtp_port) != 0) {
- mgcp_rtp_end_reset(&endp->net_end);
- mgcp_rtp_end_reset(&endp->bts_end);
- mgcp_rtp_end_reset(&endp->trans_net);
- return -1;
- }
-
- /* remember that we have set up transcoding */
- endp->type = MGCP_RTP_TRANSCODED;
- }
-
return 0;
}
@@ -868,7 +843,6 @@ mgcp_header_done:
break;
case MGCP_POLICY_DEFER:
/* stop processing */
- create_transcoder(endp);
return NULL;
break;
case MGCP_POLICY_CONT:
@@ -887,7 +861,6 @@ mgcp_header_done:
send_dummy(endp);
}
- create_transcoder(endp);
return create_response_with_sdp(endp, "CRCX", p->trans);
error2:
mgcp_release_endp(endp);
@@ -1070,7 +1043,6 @@ static struct msgb *handle_delete_con(struct mgcp_parse_data *p)
break;
case MGCP_POLICY_DEFER:
/* stop processing */
- delete_transcoder(endp);
return NULL;
break;
case MGCP_POLICY_CONT:
@@ -1086,7 +1058,6 @@ static struct msgb *handle_delete_con(struct mgcp_parse_data *p)
/* save the statistics of the current call */
mgcp_format_stats(endp, stats, sizeof(stats));
- delete_transcoder(endp);
mgcp_release_endp(endp);
if (p->cfg->change_cb)
p->cfg->change_cb(endp->tcfg, ENDPOINT_NUMBER(endp), MGCP_ENDP_DLCX);
@@ -1205,8 +1176,6 @@ struct mgcp_config *mgcp_config_alloc(void)
cfg->source_addr = talloc_strdup(cfg, "0.0.0.0");
cfg->osmux_addr = talloc_strdup(cfg, "0.0.0.0");
- cfg->transcoder_remote_base = 4000;
-
cfg->bts_ports.base_port = RTP_PORT_DEFAULT;
cfg->net_ports.base_port = RTP_PORT_NET_DEFAULT;
@@ -1328,8 +1297,6 @@ int mgcp_endpoints_allocate(struct mgcp_trunk_config *tcfg)
tcfg->endpoints[i].tcfg = tcfg;
mgcp_rtp_end_init(&tcfg->endpoints[i].net_end);
mgcp_rtp_end_init(&tcfg->endpoints[i].bts_end);
- mgcp_rtp_end_init(&tcfg->endpoints[i].trans_net);
- mgcp_rtp_end_init(&tcfg->endpoints[i].trans_bts);
}
return 0;
@@ -1351,8 +1318,6 @@ void mgcp_release_endp(struct mgcp_endpoint *endp)
mgcp_rtp_end_reset(&endp->bts_end);
mgcp_rtp_end_reset(&endp->net_end);
- mgcp_rtp_end_reset(&endp->trans_net);
- mgcp_rtp_end_reset(&endp->trans_bts);
endp->type = MGCP_RTP_DEFAULT;
memset(&endp->net_state, 0, sizeof(endp->net_state));
@@ -1374,65 +1339,6 @@ void mgcp_initialize_endp(struct mgcp_endpoint *endp)
return mgcp_release_endp(endp);
}
-static int send_trans(struct mgcp_config *cfg, const char *buf, int len)
-{
- struct sockaddr_in addr;
-
- memset(&addr, 0, sizeof(addr));
- addr.sin_family = AF_INET;
- addr.sin_addr = cfg->transcoder_in;
- addr.sin_port = htons(2427);
- return sendto(cfg->gw_fd.bfd.fd, buf, len, 0,
- (struct sockaddr *) &addr, sizeof(addr));
-}
-
-static void send_msg(struct mgcp_endpoint *endp, int endpoint, int port,
- const char *msg, const char *mode)
-{
- char buf[2096];
- int len;
- int nchars;
-
- /* hardcoded to AMR right now, we do not know the real type at this point */
- len = snprintf(buf, sizeof(buf),
- "%s 42 %x@mgw MGCP 1.0\r\n"
- "C: 4256\r\n"
- "M: %s\r\n"
- "\r\n",
- msg, endpoint, mode);
-
- if (len < 0)
- return;
-
- nchars = write_response_sdp(endp, buf + len, sizeof(buf) + len - 1, NULL);
- if (nchars < 0)
- return;
-
- len += nchars;
-
- buf[sizeof(buf) - 1] = '\0';
-
- send_trans(endp->cfg, buf, len);
-}
-
-static void send_dlcx(struct mgcp_endpoint *endp, int endpoint)
-{
- char buf[2096];
- int len;
-
- len = snprintf(buf, sizeof(buf),
- "DLCX 43 %x@mgw MGCP 1.0\r\n"
- "C: 4256\r\n"
- , endpoint);
-
- if (len < 0)
- return;
-
- buf[sizeof(buf) - 1] = '\0';
-
- send_trans(endp->cfg, buf, len);
-}
-
static int send_agent(struct mgcp_config *cfg, const char *buf, int len)
{
return write(cfg->gw_fd.bfd.fd, buf, len);
@@ -1486,53 +1392,6 @@ static int setup_rtp_processing(struct mgcp_endpoint *endp)
return rc;
}
-static void create_transcoder(struct mgcp_endpoint *endp)
-{
- int port;
- int in_endp = ENDPOINT_NUMBER(endp);
- int out_endp = endp_back_channel(in_endp);
-
- if (endp->type != MGCP_RTP_TRANSCODED)
- return;
-
- send_msg(endp, in_endp, endp->trans_bts.local_port, "CRCX", "sendrecv");
- send_msg(endp, in_endp, endp->trans_bts.local_port, "MDCX", "sendrecv");
- send_msg(endp, out_endp, endp->trans_net.local_port, "CRCX", "sendrecv");
- send_msg(endp, out_endp, endp->trans_net.local_port, "MDCX", "sendrecv");
-
- port = rtp_calculate_port(in_endp, endp->cfg->transcoder_remote_base);
- endp->trans_bts.rtp_port = htons(port);
- endp->trans_bts.rtcp_port = htons(port + 1);
-
- port = rtp_calculate_port(out_endp, endp->cfg->transcoder_remote_base);
- endp->trans_net.rtp_port = htons(port);
- endp->trans_net.rtcp_port = htons(port + 1);
-}
-
-static void delete_transcoder(struct mgcp_endpoint *endp)
-{
- int in_endp = ENDPOINT_NUMBER(endp);
- int out_endp = endp_back_channel(in_endp);
-
- if (endp->type != MGCP_RTP_TRANSCODED)
- return;
-
- send_dlcx(endp, in_endp);
- send_dlcx(endp, out_endp);
-}
-
-int mgcp_reset_transcoder(struct mgcp_config *cfg)
-{
- if (!cfg->transcoder_ip)
- return 0;
-
- static const char mgcp_reset[] = {
- "RSIP 1 13@mgw MGCP 1.0\r\n"
- };
-
- return send_trans(cfg, mgcp_reset, sizeof mgcp_reset -1);
-}
-
void mgcp_format_stats(struct mgcp_endpoint *endp, char *msg, size_t size)
{
uint32_t expected, jitter;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 10:37:23 +0000