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fix t38 passthru when port changes on re-invite

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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2
src/mod/endpoints/mod_sofia/mod_sofia.c
View File

@ -1771,7 +1771,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
nua_update(tech_pvt->nh,
TAG_IF(!zstr_buf(message), SIPTAG_HEADER_STR(message)),
TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)), TAG_END());
} else if ((ua && (switch_stristr("cisco", ua)))) {
} else if (0 && (ua && (switch_stristr("cisco", ua)))) {
snprintf(message, sizeof(message), "P-Asserted-Identity: \"%s\" <sip:%s@%s>", name, number, tech_pvt->profile->sipip);
sofia_set_flag_locked(tech_pvt, TFLAG_UPDATING_DISPLAY);

30
src/mod/endpoints/mod_sofia/sofia.c
View File

@ -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);

56
src/mod/endpoints/mod_sofia/sofia_glue.c
View File

@ -41,7 +41,9 @@ switch_cache_db_handle_t *sofia_glue_get_db_handle(sofia_profile_t *profile);
void sofia_glue_set_image_sdp(private_object_t *tech_pvt, switch_t38_options_t *t38_options, int insist)
{
char buf[2048];
char buf[2048] = "";
char max_buf[128] = "";
char max_data[128] = "";
const char *ip = t38_options->local_ip;
uint32_t port = t38_options->local_port;
const char *family = "IP4";
@ -89,6 +91,14 @@ void sofia_glue_set_image_sdp(private_object_t *tech_pvt, switch_t38_options_t *
"o=%s %010u %010u IN %s %s\n"
"s=%s\n" "c=IN %s %s\n" "t=0 0\n", username, tech_pvt->owner_id, tech_pvt->session_id, family, ip, username, family, ip);
if (t38_options->T38FaxMaxBuffer) {
switch_snprintf(max_buf, sizeof(max_buf), "a=T38FaxMaxBuffer:%d\n", t38_options->T38FaxMaxBuffer);
};
if (t38_options->T38FaxMaxDatagram) {
switch_snprintf(max_data, sizeof(max_data), "a=T38FaxMaxDatagram:%d\n", t38_options->T38FaxMaxDatagram);
};
switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"m=image %d udptl t38\n"
@ -98,8 +108,8 @@ void sofia_glue_set_image_sdp(private_object_t *tech_pvt, switch_t38_options_t *
"%s"
"%s"
"a=T38FaxRateManagement:%s\n"
"a=T38FaxMaxBuffer:%d\n"
"a=T38FaxMaxDatagram:%d\n"
"%s"
"%s"
"a=T38FaxUdpEC:%s\n",
//"a=T38VendorInfo:%s\n",
port,
@ -109,8 +119,9 @@ void sofia_glue_set_image_sdp(private_object_t *tech_pvt, switch_t38_options_t *
t38_options->T38FaxTranscodingMMR ? "a=T38FaxTranscodingMMR\n" : "",
t38_options->T38FaxTranscodingJBIG ? "a=T38FaxTranscodingJBIG\n" : "",
t38_options->T38FaxRateManagement,
t38_options->T38FaxMaxBuffer,
t38_options->T38FaxMaxDatagram, t38_options->T38FaxUdpEC
max_buf,
max_data,
t38_options->T38FaxUdpEC
//t38_options->T38VendorInfo ? t38_options->T38VendorInfo : "0 0 0"
);
@ -3619,7 +3630,7 @@ uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, const char *r_s
if (got_udptl && m->m_type == sdp_media_image && m->m_port) {
switch_t38_options_t *t38_options = tech_process_udptl(tech_pvt, sdp, m);
if (switch_true(switch_channel_get_variable(channel, "refuse_t38"))) {
match = 0;
goto done;
@ -3634,10 +3645,41 @@ uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, const char *r_s
if (sofia_test_flag(tech_pvt, TFLAG_T38_PASSTHRU)) {
pass = 0;
}
if (pass && switch_core_session_get_partner(session, &other_session) == SWITCH_STATUS_SUCCESS) {
private_object_t *other_tech_pvt = switch_core_session_get_private(other_session);
switch_core_session_message_t *msg;
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);
}
}
sofia_glue_copy_t38_options(t38_options, other_session);
sofia_set_flag(tech_pvt, TFLAG_T38_PASSTHRU);