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fix t38 passthru when port changes on re-invite

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This commit is contained in:
Brian West
2010-09-21 19:22:20 -05:00
parent 30b2c6fe90
commit 72baaf6d23
3 changed files with 80 additions and 8 deletions
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src/mod/endpoints/mod_sofia/sofia.c
+30
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@@ -4138,6 +4138,36 @@ static void sofia_handle_sip_r_invite(switch_core_session_t *session, int status
if (status == 200 && sofia_test_flag(tech_pvt, TFLAG_T38_PASSTHRU) && has_t38) {
if (sip->sip_payload && sip->sip_payload->pl_data) {
switch_t38_options_t *t38_options = sofia_glue_extract_t38_options(session, sip->sip_payload->pl_data);
char *remote_host = switch_rtp_get_remote_host(tech_pvt->rtp_session);
switch_port_t remote_port = switch_rtp_get_remote_port(tech_pvt->rtp_session);
char tmp[32] = "";
tech_pvt->remote_sdp_audio_ip = switch_core_session_strdup(tech_pvt->session, t38_options->remote_ip);
tech_pvt->remote_sdp_audio_port = t38_options->remote_port;
if (remote_host && remote_port && !strcmp(remote_host, tech_pvt->remote_sdp_audio_ip) &&
remote_port == tech_pvt->remote_sdp_audio_port) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_DEBUG,
"Audio params are unchanged for %s.\n",
switch_channel_get_name(tech_pvt->channel));
} else {
const char *err = NULL;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_DEBUG,
"Audio params changed for %s from %s:%d to %s:%d\n",
switch_channel_get_name(tech_pvt->channel),
remote_host, remote_port, tech_pvt->remote_sdp_audio_ip, tech_pvt->remote_sdp_audio_port);
switch_snprintf(tmp, sizeof(tmp), "%d", tech_pvt->remote_sdp_audio_port);
switch_channel_set_variable(tech_pvt->channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, tech_pvt->remote_sdp_audio_ip);
switch_channel_set_variable(tech_pvt->channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp);
if (switch_rtp_set_remote_address(tech_pvt->rtp_session, tech_pvt->remote_sdp_audio_ip,
tech_pvt->remote_sdp_audio_port, 0, SWITCH_TRUE, &err) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_ERROR, "AUDIO RTP REPORTS ERROR: [%s]\n", err);
switch_channel_hangup(channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION);
}
}
if (t38_options) {
sofia_glue_copy_t38_options(t38_options, other_session);