freeswitch/src/mod/endpoints/mod_sofia/mod_sofia.c

2071 lines
70 KiB
C

/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
* Ken Rice, Asteria Solutions Group, Inc <ken@asteriasgi.com>
* Paul D. Tinsley <pdt at jackhammer.org>
* Bret McDanel <trixter AT 0xdecafbad.com>
*
*
* mod_sofia.c -- SOFIA SIP Endpoint
*
*/
/* Best viewed in a 160 x 60 VT100 Terminal or so the line below at least fits across your screen*/
/*************************************************************************************************************************************************************/
#include "mod_sofia.h"
SWITCH_MODULE_LOAD_FUNCTION(mod_sofia_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_sofia_shutdown);
SWITCH_MODULE_DEFINITION(mod_sofia, mod_sofia_load, mod_sofia_shutdown, NULL);
struct mod_sofia_globals mod_sofia_globals;
switch_endpoint_interface_t *sofia_endpoint_interface;
static switch_frame_t silence_frame = { 0 };
static char silence_data[13] = "";
#define STRLEN 15
static switch_status_t sofia_on_init(switch_core_session_t *session);
static switch_status_t sofia_on_exchange_media(switch_core_session_t *session);
static switch_status_t sofia_on_soft_execute(switch_core_session_t *session);
static switch_call_cause_t sofia_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event,
switch_caller_profile_t *outbound_profile, switch_core_session_t **new_session,
switch_memory_pool_t **pool, switch_originate_flag_t flags);
static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
static switch_status_t sofia_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
static switch_status_t sofia_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
static switch_status_t sofia_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
static switch_status_t sofia_kill_channel(switch_core_session_t *session, int sig);
/* BODY OF THE MODULE */
/*************************************************************************************************************************************************************/
/*
State methods they get called when the state changes to the specific state
returning SWITCH_STATUS_SUCCESS tells the core to execute the standard state method next
so if you fully implement the state you can return SWITCH_STATUS_FALSE to skip it.
*/
static switch_status_t sofia_on_init(switch_core_session_t *session)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
switch_assert(tech_pvt != NULL);
tech_pvt->read_frame.buflen = SWITCH_RTP_MAX_BUF_LEN;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s SOFIA INIT\n", switch_channel_get_name(channel));
if (switch_channel_test_flag(channel, CF_PROXY_MODE) || switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
sofia_glue_tech_absorb_sdp(tech_pvt);
}
if (switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
const char *var;
if ((var = switch_channel_get_variable(channel, SOFIA_SECURE_MEDIA_VARIABLE)) && !switch_strlen_zero(var)) {
if (switch_true(var) || !strcasecmp(var, SWITCH_RTP_CRYPTO_KEY_32)) {
switch_set_flag_locked(tech_pvt, TFLAG_SECURE);
sofia_glue_build_crypto(tech_pvt, 1, AES_CM_128_HMAC_SHA1_32, SWITCH_RTP_CRYPTO_SEND);
} else if (!strcasecmp(var, SWITCH_RTP_CRYPTO_KEY_80)) {
switch_set_flag_locked(tech_pvt, TFLAG_SECURE);
sofia_glue_build_crypto(tech_pvt, 1, AES_CM_128_HMAC_SHA1_80, SWITCH_RTP_CRYPTO_SEND);
}
}
if (sofia_glue_do_invite(session) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
assert( switch_channel_get_state(channel) != CS_INIT);
return SWITCH_STATUS_FALSE;
}
}
/* Move channel's state machine to ROUTING */
switch_channel_set_state(channel, CS_ROUTING);
assert( switch_channel_get_state(channel) != CS_INIT);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_on_routing(switch_core_session_t *session)
{
private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
switch_assert(tech_pvt != NULL);
switch_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s SOFIA ROUTING\n", switch_channel_get_name(switch_core_session_get_channel(session)));
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_on_reset(switch_core_session_t *session)
{
private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
switch_assert(tech_pvt != NULL);
switch_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s SOFIA RESET\n", switch_channel_get_name(switch_core_session_get_channel(session)));
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_on_hibernate(switch_core_session_t *session)
{
private_object_t *tech_pvt = switch_core_session_get_private(session);
switch_assert(tech_pvt != NULL);
switch_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s SOFIA HIBERNATE\n", switch_channel_get_name(switch_core_session_get_channel(session)));
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_on_execute(switch_core_session_t *session)
{
private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
switch_assert(tech_pvt != NULL);
switch_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s SOFIA EXECUTE\n", switch_channel_get_name(switch_core_session_get_channel(session)));
return SWITCH_STATUS_SUCCESS;
}
/* map QSIG cause codes to SIP from RFC4497 section 8.4.1 */
static int hangup_cause_to_sip(switch_call_cause_t cause)
{
switch (cause) {
case SWITCH_CAUSE_NO_ROUTE_TRANSIT_NET:
case SWITCH_CAUSE_NO_ROUTE_DESTINATION:
return 404;
case SWITCH_CAUSE_USER_BUSY:
return 486;
case SWITCH_CAUSE_NO_USER_RESPONSE:
return 408;
case SWITCH_CAUSE_NO_ANSWER:
return 480;
case SWITCH_CAUSE_SUBSCRIBER_ABSENT:
return 480;
case SWITCH_CAUSE_CALL_REJECTED:
return 603;
case SWITCH_CAUSE_NUMBER_CHANGED:
case SWITCH_CAUSE_REDIRECTION_TO_NEW_DESTINATION:
return 410;
case SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER:
return 502;
case SWITCH_CAUSE_INVALID_NUMBER_FORMAT:
return 484;
case SWITCH_CAUSE_FACILITY_REJECTED:
return 501;
case SWITCH_CAUSE_NORMAL_UNSPECIFIED:
return 480;
case SWITCH_CAUSE_REQUESTED_CHAN_UNAVAIL:
case SWITCH_CAUSE_NORMAL_CIRCUIT_CONGESTION:
case SWITCH_CAUSE_NETWORK_OUT_OF_ORDER:
case SWITCH_CAUSE_NORMAL_TEMPORARY_FAILURE:
case SWITCH_CAUSE_SWITCH_CONGESTION:
return 503;
case SWITCH_CAUSE_OUTGOING_CALL_BARRED:
case SWITCH_CAUSE_INCOMING_CALL_BARRED:
case SWITCH_CAUSE_BEARERCAPABILITY_NOTAUTH:
return 403;
case SWITCH_CAUSE_BEARERCAPABILITY_NOTAVAIL:
return 503;
case SWITCH_CAUSE_BEARERCAPABILITY_NOTIMPL:
case SWITCH_CAUSE_INCOMPATIBLE_DESTINATION:
return 488;
case SWITCH_CAUSE_FACILITY_NOT_IMPLEMENTED:
case SWITCH_CAUSE_SERVICE_NOT_IMPLEMENTED:
return 501;
case SWITCH_CAUSE_RECOVERY_ON_TIMER_EXPIRE:
return 504;
case SWITCH_CAUSE_ORIGINATOR_CANCEL:
return 487;
case SWITCH_CAUSE_EXCHANGE_ROUTING_ERROR:
return 483;
default:
return 480;
}
}
switch_status_t sofia_on_hangup(switch_core_session_t *session)
{
switch_core_session_t *a_session;
private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_call_cause_t cause = switch_channel_get_cause(channel);
int sip_cause = hangup_cause_to_sip(cause);
const char *ps_cause = switch_channel_get_variable(channel, SWITCH_PROTO_SPECIFIC_HANGUP_CAUSE_VARIABLE);
if (!switch_strlen_zero(ps_cause) && !strncasecmp(ps_cause, "sip:", 4)) {
int new_cause = atoi(ps_cause + 4);
if (new_cause) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s Overriding SIP cause %d with %d from the other leg\n",
switch_channel_get_name(channel), sip_cause, new_cause);
sip_cause = new_cause;
}
}
if (switch_test_flag(tech_pvt, TFLAG_SIP_HOLD) && cause != SWITCH_CAUSE_ATTENDED_TRANSFER) {
const char *buuid;
switch_core_session_t *bsession;
switch_channel_t *bchannel;
const char *lost_ext;
if (tech_pvt->max_missed_packets) {
switch_rtp_set_max_missed_packets(tech_pvt->rtp_session, tech_pvt->max_missed_packets);
}
switch_channel_presence(tech_pvt->channel, "unknown", "unhold");
if ((buuid = switch_channel_get_variable(channel, SWITCH_SIGNAL_BOND_VARIABLE))) {
if ((bsession = switch_core_session_locate(buuid))) {
bchannel = switch_core_session_get_channel(bsession);
if (switch_channel_test_flag(bchannel, CF_BROADCAST)) {
if ((lost_ext = switch_channel_get_variable(bchannel, "left_hanging_extension"))) {
switch_ivr_session_transfer(bsession, lost_ext, NULL, NULL);
}
switch_channel_stop_broadcast(bchannel);
}
switch_core_session_rwunlock(bsession);
}
}
switch_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
}
sofia_glue_deactivate_rtp(tech_pvt);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Channel %s hanging up, cause: %s\n",
switch_channel_get_name(channel), switch_channel_cause2str(cause));
if (tech_pvt->hash_key) {
switch_core_hash_delete(tech_pvt->profile->chat_hash, tech_pvt->hash_key);
}
if (session && (tech_pvt->profile->pflags & PFLAG_PRESENCE)) {
char *sql = switch_mprintf("delete from sip_dialogs where call_id='%q'", tech_pvt->call_id);
switch_assert(sql);
sofia_glue_execute_sql(tech_pvt->profile, &sql, SWITCH_TRUE);
}
if (tech_pvt->kick && (a_session = switch_core_session_locate(tech_pvt->kick))) {
switch_channel_t *a_channel = switch_core_session_get_channel(a_session);
switch_channel_hangup(a_channel, switch_channel_get_cause(channel));
switch_core_session_rwunlock(a_session);
}
switch_mutex_lock(tech_pvt->profile->flag_mutex);
if (tech_pvt->nh && !switch_test_flag(tech_pvt, TFLAG_BYE)) {
char reason[128] = "";
if (cause > 1 && cause < 128) {
switch_snprintf(reason, sizeof(reason), "Q.850;cause=%d;text=\"%s\"", cause, switch_channel_cause2str(cause));
} else if (cause == SWITCH_CAUSE_PICKED_OFF) {
switch_snprintf(reason, sizeof(reason), "SIP;cause=200;text=\"Call completed elsewhere\"");
} else {
switch_snprintf(reason, sizeof(reason), "FreeSWITCH;cause=%d;text=\"%s\"", cause, switch_channel_cause2str(cause));
}
if (switch_test_flag(tech_pvt, TFLAG_ANS)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Sending BYE to %s\n", switch_channel_get_name(channel));
nua_bye(tech_pvt->nh, SIPTAG_REASON_STR(reason), TAG_END());
} else {
if (switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Sending CANCEL to %s\n", switch_channel_get_name(channel));
nua_cancel(tech_pvt->nh, SIPTAG_REASON_STR(reason), TAG_END());
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Responding to INVITE with: %d\n", sip_cause);
nua_respond(tech_pvt->nh, sip_cause, sip_status_phrase(sip_cause), SIPTAG_REASON_STR(reason), TAG_END());
}
}
switch_set_flag(tech_pvt, TFLAG_BYE);
}
switch_clear_flag(tech_pvt, TFLAG_IO);
tech_pvt->profile->inuse--;
switch_mutex_unlock(tech_pvt->profile->flag_mutex);
if (tech_pvt->sofia_private) {
*tech_pvt->sofia_private->uuid = '\0';
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_on_exchange_media(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SOFIA LOOPBACK\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_on_soft_execute(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SOFIA TRANSMIT\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_answer_channel(switch_core_session_t *session)
{
private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_status_t status;
uint32_t session_timeout = tech_pvt->profile->session_timeout;
const char *val;
const char *b_sdp = NULL;
int is_proxy = 0;
char *sticky = NULL;
if (switch_test_flag(tech_pvt, TFLAG_ANS) || switch_channel_test_flag(channel, CF_OUTBOUND)) {
return SWITCH_STATUS_SUCCESS;
}
switch_set_flag_locked(tech_pvt, TFLAG_ANS);
b_sdp = switch_channel_get_variable(channel, SWITCH_B_SDP_VARIABLE);
is_proxy = (switch_channel_test_flag(channel, CF_PROXY_MODE) || switch_channel_test_flag(channel, CF_PROXY_MEDIA));
if (b_sdp && is_proxy) {
tech_pvt->local_sdp_str = switch_core_session_strdup(session, b_sdp);
if (switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
sofia_glue_tech_patch_sdp(tech_pvt);
if (sofia_glue_activate_rtp(tech_pvt, 0) != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
}
} else {
if ((is_proxy && !b_sdp) || switch_test_flag(tech_pvt, TFLAG_LATE_NEGOTIATION)) {
switch_clear_flag_locked(tech_pvt, TFLAG_LATE_NEGOTIATION);
if (is_proxy) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Disabling proxy mode due to call answer with no bridge\n");
switch_channel_clear_flag(channel, CF_PROXY_MEDIA);
switch_channel_clear_flag(channel, CF_PROXY_MODE);
}
if (!switch_channel_test_flag(tech_pvt->channel, CF_OUTBOUND)) {
const char *r_sdp = switch_channel_get_variable(channel, SWITCH_R_SDP_VARIABLE);
tech_pvt->num_codecs = 0;
sofia_glue_tech_prepare_codecs(tech_pvt);
if (sofia_glue_tech_media(tech_pvt, r_sdp) != SWITCH_STATUS_SUCCESS) {
switch_channel_set_variable(channel, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "CODEC NEGOTIATION ERROR");
//nua_respond(tech_pvt->nh, SIP_488_NOT_ACCEPTABLE, TAG_END());
return SWITCH_STATUS_FALSE;
}
}
}
if ((status = sofia_glue_tech_choose_port(tech_pvt, 0)) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
return status;
}
sofia_glue_set_local_sdp(tech_pvt, NULL, 0, NULL, 0);
if (sofia_glue_activate_rtp(tech_pvt, 0) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
}
if (tech_pvt->nh) {
if (tech_pvt->local_sdp_str) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Local SDP %s:\n%s\n", switch_channel_get_name(channel),
tech_pvt->local_sdp_str);
}
}
}
if ((val = switch_channel_get_variable(channel, SOFIA_SESSION_TIMEOUT))) {
int v_session_timeout = atoi(val);
if (v_session_timeout >= 0) {
session_timeout = v_session_timeout;
}
}
if (switch_test_flag(tech_pvt, TFLAG_NAT) ||
(val = switch_channel_get_variable(channel, "sip-force-contact")) ||
((val = switch_channel_get_variable(channel, "sip_sticky_contact")) && switch_true(val))) {
sticky = tech_pvt->record_route;
session_timeout = SOFIA_NAT_SESSION_TIMEOUT;
switch_channel_set_variable(channel, "sip_nat_detected", "true");
}
nua_respond(tech_pvt->nh, SIP_200_OK,
NUTAG_AUTOANSWER(0),
TAG_IF(sticky, NUTAG_PROXY(tech_pvt->record_route)),
NUTAG_SESSION_TIMER(session_timeout),
SIPTAG_CONTACT_STR(tech_pvt->reply_contact),
SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str),
SOATAG_REUSE_REJECTED(1),
SOATAG_ORDERED_USER(1),
SOATAG_AUDIO_AUX("cn telephone-event"),
NUTAG_INCLUDE_EXTRA_SDP(1),
TAG_END());
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
{
private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
switch_channel_t *channel = switch_core_session_get_channel(session);
int payload = 0;
switch_assert(tech_pvt != NULL);
if (switch_test_flag(tech_pvt, TFLAG_HUP)) {
return SWITCH_STATUS_FALSE;
}
while (!(tech_pvt->video_read_codec.implementation && switch_rtp_ready(tech_pvt->video_rtp_session))) {
if (switch_channel_ready(channel)) {
switch_yield(10000);
} else {
return SWITCH_STATUS_GENERR;
}
}
tech_pvt->video_read_frame.datalen = 0;
if (switch_test_flag(tech_pvt, TFLAG_IO)) {
switch_status_t status;
if (!switch_test_flag(tech_pvt, TFLAG_RTP)) {
return SWITCH_STATUS_GENERR;
}
switch_assert(tech_pvt->rtp_session != NULL);
tech_pvt->video_read_frame.datalen = 0;
while (switch_test_flag(tech_pvt, TFLAG_IO) && tech_pvt->video_read_frame.datalen == 0) {
tech_pvt->video_read_frame.flags = SFF_NONE;
status = switch_rtp_zerocopy_read_frame(tech_pvt->video_rtp_session, &tech_pvt->video_read_frame, flags);
if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
if (status == SWITCH_STATUS_TIMEOUT) {
switch_channel_hangup(tech_pvt->channel, SWITCH_CAUSE_MEDIA_TIMEOUT);
}
return status;
}
payload = tech_pvt->video_read_frame.payload;
if (tech_pvt->video_read_frame.datalen > 0) {
break;
}
}
}
if (tech_pvt->video_read_frame.datalen == 0) {
*frame = NULL;
return SWITCH_STATUS_GENERR;
}
*frame = &tech_pvt->video_read_frame;
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
{
private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_status_t status = SWITCH_STATUS_SUCCESS;
switch_assert(tech_pvt != NULL);
while (!(tech_pvt->video_read_codec.implementation && switch_rtp_ready(tech_pvt->video_rtp_session))) {
if (switch_channel_ready(channel)) {
switch_yield(10000);
} else {
return SWITCH_STATUS_GENERR;
}
}
if (switch_test_flag(tech_pvt, TFLAG_HUP)) {
return SWITCH_STATUS_FALSE;
}
if (!switch_test_flag(tech_pvt, TFLAG_RTP)) {
return SWITCH_STATUS_GENERR;
}
if (!switch_test_flag(tech_pvt, TFLAG_IO)) {
return SWITCH_STATUS_SUCCESS;
}
if (!switch_test_flag(frame, SFF_CNG)) {
switch_rtp_write_frame(tech_pvt->video_rtp_session, frame);
}
return status;
}
static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
{
private_object_t *tech_pvt = switch_core_session_get_private(session);
switch_channel_t *channel = switch_core_session_get_channel(session);
int payload = 0;
switch_assert(tech_pvt != NULL);
if (!(tech_pvt->profile->pflags & PFLAG_RUNNING)) {
switch_channel_hangup(tech_pvt->channel, SWITCH_CAUSE_NORMAL_CLEARING);
return SWITCH_STATUS_FALSE;
}
if (switch_test_flag(tech_pvt, TFLAG_HUP)) {
return SWITCH_STATUS_FALSE;
}
while (!(tech_pvt->read_codec.implementation && switch_rtp_ready(tech_pvt->rtp_session) && !switch_channel_test_flag(channel, CF_REQ_MEDIA))) {
if (switch_channel_ready(channel)) {
switch_yield(10000);
} else {
return SWITCH_STATUS_GENERR;
}
}
tech_pvt->read_frame.datalen = 0;
switch_set_flag_locked(tech_pvt, TFLAG_READING);
if (switch_test_flag(tech_pvt, TFLAG_IO)) {
switch_status_t status;
if (!switch_test_flag(tech_pvt, TFLAG_RTP)) {
return SWITCH_STATUS_GENERR;
}
switch_assert(tech_pvt->rtp_session != NULL);
tech_pvt->read_frame.datalen = 0;
while (switch_test_flag(tech_pvt, TFLAG_IO) && tech_pvt->read_frame.datalen == 0) {
tech_pvt->read_frame.flags = SFF_NONE;
status = switch_rtp_zerocopy_read_frame(tech_pvt->rtp_session, &tech_pvt->read_frame, flags);
if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
if (status == SWITCH_STATUS_TIMEOUT) {
switch_channel_hangup(tech_pvt->channel, SWITCH_CAUSE_MEDIA_TIMEOUT);
}
return status;
}
payload = tech_pvt->read_frame.payload;
if (switch_rtp_has_dtmf(tech_pvt->rtp_session)) {
switch_dtmf_t dtmf = {0};
switch_rtp_dequeue_dtmf(tech_pvt->rtp_session, &dtmf);
switch_channel_queue_dtmf(channel, &dtmf);
}
if (tech_pvt->read_frame.datalen > 0) {
size_t bytes = 0;
int frames = 1;
if (!switch_test_flag((&tech_pvt->read_frame), SFF_CNG)) {
if ((bytes = tech_pvt->read_codec.implementation->encoded_bytes_per_frame)) {
frames = (tech_pvt->read_frame.datalen / bytes);
}
tech_pvt->read_frame.samples = (int) (frames * tech_pvt->read_codec.implementation->samples_per_frame);
}
break;
}
}
}
switch_clear_flag_locked(tech_pvt, TFLAG_READING);
if (tech_pvt->read_frame.datalen == 0) {
*frame = NULL;
return SWITCH_STATUS_GENERR;
}
*frame = &tech_pvt->read_frame;
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
{
private_object_t *tech_pvt = switch_core_session_get_private(session);
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_status_t status = SWITCH_STATUS_SUCCESS;
int bytes = 0, samples = 0, frames = 0;
switch_assert(tech_pvt != NULL);
while (!(tech_pvt->read_codec.implementation && switch_rtp_ready(tech_pvt->rtp_session) && !switch_channel_test_flag(channel, CF_REQ_MEDIA))) {
if (switch_channel_ready(channel)) {
switch_yield(10000);
} else {
return SWITCH_STATUS_GENERR;
}
}
if (!tech_pvt->read_codec.implementation) {
return SWITCH_STATUS_GENERR;
}
if (switch_test_flag(tech_pvt, TFLAG_HUP)) {
return SWITCH_STATUS_FALSE;
}
if (!switch_test_flag(tech_pvt, TFLAG_RTP)) {
return SWITCH_STATUS_GENERR;
}
if (!switch_test_flag(tech_pvt, TFLAG_IO)) {
return SWITCH_STATUS_SUCCESS;
}
switch_set_flag_locked(tech_pvt, TFLAG_WRITING);
if (!switch_test_flag(frame, SFF_CNG) && !switch_test_flag(frame, SFF_PROXY_PACKET)) {
if (tech_pvt->read_codec.implementation->encoded_bytes_per_frame) {
bytes = tech_pvt->read_codec.implementation->encoded_bytes_per_frame;
frames = ((int) frame->datalen / bytes);
} else
frames = 1;
samples = frames * tech_pvt->read_codec.implementation->samples_per_frame;
}
tech_pvt->timestamp_send += samples;
switch_rtp_write_frame(tech_pvt->rtp_session, frame);
switch_clear_flag_locked(tech_pvt, TFLAG_WRITING);
return status;
}
static switch_status_t sofia_kill_channel(switch_core_session_t *session, int sig)
{
private_object_t *tech_pvt = switch_core_session_get_private(session);
if (!tech_pvt) {
return SWITCH_STATUS_FALSE;
}
switch (sig) {
case SWITCH_SIG_BREAK:
if (switch_rtp_ready(tech_pvt->rtp_session)) {
switch_rtp_break(tech_pvt->rtp_session);
}
if (switch_rtp_ready(tech_pvt->video_rtp_session)) {
switch_rtp_break(tech_pvt->rtp_session);
}
break;
case SWITCH_SIG_KILL:
default:
switch_clear_flag_locked(tech_pvt, TFLAG_IO);
switch_set_flag_locked(tech_pvt, TFLAG_HUP);
if (switch_rtp_ready(tech_pvt->rtp_session)) {
switch_rtp_kill_socket(tech_pvt->rtp_session);
}
if (switch_rtp_ready(tech_pvt->video_rtp_session)) {
switch_rtp_kill_socket(tech_pvt->video_rtp_session);
}
break;
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
{
private_object_t *tech_pvt;
char message[128] = "";
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
switch_assert(tech_pvt != NULL);
switch (tech_pvt->dtmf_type) {
case DTMF_2833:
return switch_rtp_queue_rfc2833(tech_pvt->rtp_session, dtmf);
case DTMF_INFO:
snprintf(message, sizeof(message), "Signal=%c\r\nDuration=%d\r\n", dtmf->digit, dtmf->duration / 8);
nua_info(tech_pvt->nh,
SIPTAG_CONTENT_TYPE_STR("application/dtmf-relay"),
SIPTAG_PAYLOAD_STR(message),
TAG_END());
break;
default:
break;
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_receive_message(switch_core_session_t *session, switch_core_session_message_t *msg)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
private_object_t *tech_pvt = switch_core_session_get_private(session);
switch_status_t status = SWITCH_STATUS_SUCCESS;
if (switch_channel_get_state(channel) >= CS_HANGUP || !tech_pvt) {
status = SWITCH_STATUS_FALSE;
goto end;
}
if (msg->message_id == SWITCH_MESSAGE_INDICATE_ANSWER || msg->message_id == SWITCH_MESSAGE_INDICATE_PROGRESS) {
const char *var;
if ((var = switch_channel_get_variable(channel, SOFIA_SECURE_MEDIA_VARIABLE)) && switch_true(var)) {
switch_set_flag_locked(tech_pvt, TFLAG_SECURE);
}
}
switch (msg->message_id) {
case SWITCH_MESSAGE_INDICATE_VIDEO_REFRESH_REQ:
{
const char *pl =
"<?xml version=\"1.0\" encoding=\"utf-8\" ?>\r\n"
" <media_control>\r\n"
" <vc_primitive>\r\n"
" <to_encoder>\r\n"
" <picture_fast_update>\r\n"
" </picture_fast_update>\r\n"
" </to_encoder>\r\n"
" </vc_primitive>\r\n"
" </media_control>\r\n";
nua_info(tech_pvt->nh,
SIPTAG_CONTENT_TYPE_STR("application/media_control+xml"),
SIPTAG_PAYLOAD_STR(pl),
TAG_END());
}
break;
case SWITCH_MESSAGE_INDICATE_TRANSCODING_NECESSARY:
if (tech_pvt->rtp_session && switch_rtp_test_flag(tech_pvt->rtp_session, SWITCH_RTP_FLAG_PASS_RFC2833)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Cannot pass 2833 on a transcoded call.\n");
switch_rtp_clear_flag(tech_pvt->rtp_session, SWITCH_RTP_FLAG_PASS_RFC2833);
}
break;
case SWITCH_MESSAGE_INDICATE_BROADCAST: {
const char *ip = NULL, *port = NULL;
ip = switch_channel_get_variable(channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE);
port = switch_channel_get_variable(channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE);
if (ip && port) {
sofia_glue_set_local_sdp(tech_pvt, ip, atoi(port), msg->string_arg, 1);
}
nua_respond(tech_pvt->nh, SIP_200_OK,
SIPTAG_CONTACT_STR(tech_pvt->reply_contact),
SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str),
SOATAG_REUSE_REJECTED(1),
SOATAG_ORDERED_USER(1),
SOATAG_AUDIO_AUX("cn telephone-event"),
NUTAG_INCLUDE_EXTRA_SDP(1),
TAG_END());
switch_channel_mark_answered(channel);
}
break;
case SWITCH_MESSAGE_INDICATE_NOMEDIA:
{
const char *uuid;
switch_core_session_t *other_session;
switch_channel_t *other_channel;
const char *ip = NULL, *port = NULL;
switch_channel_set_flag(channel, CF_PROXY_MODE);
tech_pvt->local_sdp_str = NULL;
if ((uuid = switch_channel_get_variable(channel, SWITCH_SIGNAL_BOND_VARIABLE))
&& (other_session = switch_core_session_locate(uuid))) {
other_channel = switch_core_session_get_channel(other_session);
ip = switch_channel_get_variable(other_channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE);
port = switch_channel_get_variable(other_channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE);
switch_core_session_rwunlock(other_session);
if (ip && port) {
sofia_glue_set_local_sdp(tech_pvt, ip, atoi(port), NULL, 1);
}
}
if (!tech_pvt->local_sdp_str) {
sofia_glue_tech_absorb_sdp(tech_pvt);
}
sofia_glue_do_invite(session);
}
break;
case SWITCH_MESSAGE_INDICATE_MEDIA_REDIRECT:
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Sending media re-direct:\n%s\n", msg->string_arg);
tech_pvt->local_sdp_str = switch_core_session_strdup(session, msg->string_arg);
switch_set_flag_locked(tech_pvt, TFLAG_SENT_UPDATE);
sofia_glue_do_invite(session);
}
break;
case SWITCH_MESSAGE_INDICATE_MEDIA:
{
uint32_t send_invite = 1;
switch_channel_clear_flag(channel, CF_PROXY_MODE);
tech_pvt->local_sdp_str = NULL;
if (!switch_channel_media_ready(channel)) {
if (!switch_channel_test_flag(tech_pvt->channel, CF_OUTBOUND)) {
const char *r_sdp = switch_channel_get_variable(channel, SWITCH_R_SDP_VARIABLE);
tech_pvt->num_codecs = 0;
sofia_glue_tech_prepare_codecs(tech_pvt);
if (sofia_glue_tech_media(tech_pvt, r_sdp) != SWITCH_STATUS_SUCCESS) {
switch_channel_set_variable(channel, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "CODEC NEGOTIATION ERROR");
status = SWITCH_STATUS_FALSE;
goto end;
}
send_invite = 0;
}
}
if (!switch_rtp_ready(tech_pvt->rtp_session)) {
sofia_glue_tech_prepare_codecs(tech_pvt);
if ((status = sofia_glue_tech_choose_port(tech_pvt, 0)) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
goto end;
}
}
sofia_glue_set_local_sdp(tech_pvt, NULL, 0, NULL, 1);
if (send_invite) {
switch_channel_set_flag(channel, CF_REQ_MEDIA);
sofia_glue_do_invite(session);
}
}
break;
case SWITCH_MESSAGE_INDICATE_DISPLAY:
{
if (!switch_strlen_zero(msg->string_arg)) {
char message[256] = "";
snprintf(message, sizeof(message), "From:\r\nTo: \"%s\"\r\n", msg->string_arg);
nua_info(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"), SIPTAG_PAYLOAD_STR(message), TAG_END());
}
}
break;
case SWITCH_MESSAGE_INDICATE_HOLD:
{
switch_set_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
sofia_glue_do_invite(session);
if (!switch_strlen_zero(msg->string_arg)) {
char message[256] = "";
snprintf(message, sizeof(message), "From:\r\nTo: \"%s\"\r\n", msg->string_arg);
nua_info(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"), SIPTAG_PAYLOAD_STR(message), TAG_END());
}
}
break;
case SWITCH_MESSAGE_INDICATE_UNHOLD:
{
switch_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
sofia_glue_do_invite(session);
}
break;
case SWITCH_MESSAGE_INDICATE_BRIDGE:
if (switch_test_flag(tech_pvt, TFLAG_XFER)) {
switch_clear_flag_locked(tech_pvt, TFLAG_XFER);
if (msg->pointer_arg) {
switch_core_session_t *a_session, *b_session = msg->pointer_arg;
if ((a_session = switch_core_session_locate(tech_pvt->xferto))) {
private_object_t *a_tech_pvt = switch_core_session_get_private(a_session);
private_object_t *b_tech_pvt = switch_core_session_get_private(b_session);
switch_set_flag_locked(a_tech_pvt, TFLAG_REINVITE);
a_tech_pvt->remote_sdp_audio_ip = switch_core_session_strdup(a_session, b_tech_pvt->remote_sdp_audio_ip);
a_tech_pvt->remote_sdp_audio_port = b_tech_pvt->remote_sdp_audio_port;
a_tech_pvt->local_sdp_audio_ip = switch_core_session_strdup(a_session, b_tech_pvt->local_sdp_audio_ip);
a_tech_pvt->local_sdp_audio_port = b_tech_pvt->local_sdp_audio_port;
if (sofia_glue_activate_rtp(a_tech_pvt, 0) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
}
b_tech_pvt->kick = switch_core_session_strdup(b_session, tech_pvt->xferto);
switch_core_session_rwunlock(a_session);
}
msg->pointer_arg = NULL;
status = SWITCH_STATUS_FALSE;
goto end;
}
}
/*
if (tech_pvt->rtp_session && switch_test_flag(tech_pvt, TFLAG_TIMER)) {
switch_rtp_clear_flag(tech_pvt->rtp_session, SWITCH_RTP_FLAG_USE_TIMER);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "De-activate timed RTP!\n");
}
*/
break;
case SWITCH_MESSAGE_INDICATE_UNBRIDGE:
/*
if (tech_pvt->rtp_session && switch_test_flag(tech_pvt, TFLAG_TIMER)) {
switch_rtp_set_flag(tech_pvt->rtp_session, SWITCH_RTP_FLAG_USE_TIMER);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Re-activate timed RTP!\n");
}
*/
break;
case SWITCH_MESSAGE_INDICATE_REDIRECT:
if (msg->string_arg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Re-directing to %s\n", msg->string_arg);
nua_respond(tech_pvt->nh, SIP_302_MOVED_TEMPORARILY, SIPTAG_CONTACT_STR(msg->string_arg), TAG_END());
switch_set_flag_locked(tech_pvt, TFLAG_BYE);
}
break;
case SWITCH_MESSAGE_INDICATE_DEFLECT:
{
char ref_to[128] = "";
if (!strstr(msg->string_arg, "sip:")) {
switch_snprintf(ref_to, sizeof(ref_to), "sip:%s@%s", msg->string_arg, tech_pvt->profile->sipip);
} else {
switch_set_string(ref_to, msg->string_arg);
}
nua_refer(tech_pvt->nh, SIPTAG_REFER_TO_STR(ref_to), SIPTAG_REFERRED_BY_STR(tech_pvt->contact_url), TAG_END());
}
break;
case SWITCH_MESSAGE_INDICATE_RESPOND:
if (msg->numeric_arg || msg->string_arg) {
int code = msg->numeric_arg;
const char *reason = NULL;
if (code) {
reason = msg->string_arg;
} else {
if (!switch_strlen_zero(msg->string_arg)){
if ((code = atoi(msg->string_arg))) {
if ((reason = strchr(msg->string_arg, ' '))) {
reason++;
}
}
}
}
if (!code) {
code = 488;
}
if (switch_strlen_zero(reason) && code != 407) {
reason = sip_status_phrase(code);
if (switch_strlen_zero(reason)) {
reason = "Because";
}
}
if (code == 407 && !msg->numeric_arg) {
const char *to_uri = switch_channel_get_variable(channel, "sip_to_uri");
const char *to_host = reason;
if (switch_strlen_zero(to_host)) {
to_host = switch_channel_get_variable(channel, "sip_to_host");
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Challenging call %s\n", to_uri);
sofia_reg_auth_challange(NULL, tech_pvt->profile, tech_pvt->nh, REG_INVITE, to_host, 0);
switch_channel_hangup(channel, SWITCH_CAUSE_USER_CHALLENGE);
} else if (code == 484 && msg->numeric_arg) {
const char *to = switch_channel_get_variable(channel, "sip_to_uri");
const char *max_forwards = switch_channel_get_variable(channel, SWITCH_MAX_FORWARDS_VARIABLE);
char *to_uri = NULL;
if (to) {
char *p;
to_uri = switch_core_session_sprintf(session, "sip:%s", to);
if ((p = strstr(to_uri, ":5060"))) {
*p = '\0';
}
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Overlap Dial with %d %s\n", code, reason);
nua_respond(tech_pvt->nh, code, reason, TAG_IF(to_uri, SIPTAG_CONTACT_STR(to_uri)),
SIPTAG_SUPPORTED_STR(NULL), SIPTAG_ACCEPT_STR(NULL),
TAG_IF(!switch_strlen_zero(max_forwards), SIPTAG_MAX_FORWARDS_STR(max_forwards)), TAG_END());
if (!switch_channel_test_flag(channel, CF_ANSWERED)) {
switch_set_flag_locked(tech_pvt, TFLAG_BYE);
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Responding with %d [%s]\n", code, reason);
if (!switch_strlen_zero(((char *)msg->pointer_arg))) {
tech_pvt->local_sdp_str = switch_core_session_strdup(tech_pvt->session, (char *)msg->pointer_arg);
if (switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
sofia_glue_tech_patch_sdp(tech_pvt);
sofia_glue_tech_proxy_remote_addr(tech_pvt);
}
nua_respond(tech_pvt->nh, code, reason, SIPTAG_CONTACT_STR(tech_pvt->reply_contact),
SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str),
SOATAG_REUSE_REJECTED(1),
SOATAG_ORDERED_USER(1),
SOATAG_AUDIO_AUX("cn telephone-event"),
NUTAG_INCLUDE_EXTRA_SDP(1),
TAG_END());
} else {
nua_respond(tech_pvt->nh, code, reason, SIPTAG_CONTACT_STR(tech_pvt->reply_contact), TAG_END());
}
if (!switch_channel_test_flag(channel, CF_ANSWERED) && code >= 300) {
switch_set_flag_locked(tech_pvt, TFLAG_BYE);
}
}
}
break;
case SWITCH_MESSAGE_INDICATE_RINGING:
if (!switch_channel_test_flag(channel, CF_RING_READY) &&
!switch_channel_test_flag(channel, CF_EARLY_MEDIA) && !switch_channel_test_flag(channel, CF_ANSWERED)) {
nua_respond(tech_pvt->nh, SIP_180_RINGING, SIPTAG_CONTACT_STR(tech_pvt->reply_contact), TAG_END());
switch_channel_mark_ring_ready(channel);
}
break;
case SWITCH_MESSAGE_INDICATE_ANSWER:
status = sofia_answer_channel(session);
break;
case SWITCH_MESSAGE_INDICATE_PROGRESS:
{
char *sticky = NULL;
const char *val = NULL;
if (!switch_test_flag(tech_pvt, TFLAG_ANS) && !switch_test_flag(tech_pvt, TFLAG_EARLY_MEDIA)) {
switch_set_flag_locked(tech_pvt, TFLAG_EARLY_MEDIA);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Asked to send early media by %s\n", msg->from);
/* Transmit 183 Progress with SDP */
if (switch_channel_test_flag(channel, CF_PROXY_MODE) || switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
const char *sdp = NULL;
if ((sdp = switch_channel_get_variable(channel, SWITCH_B_SDP_VARIABLE))) {
tech_pvt->local_sdp_str = switch_core_session_strdup(session, sdp);
}
if (switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
sofia_glue_tech_patch_sdp(tech_pvt);
if (sofia_glue_activate_rtp(tech_pvt, 0) != SWITCH_STATUS_SUCCESS) {
status = SWITCH_STATUS_FALSE;
goto end;
}
}
} else {
if (switch_test_flag(tech_pvt, TFLAG_LATE_NEGOTIATION)) {
switch_clear_flag_locked(tech_pvt, TFLAG_LATE_NEGOTIATION);
if (!switch_channel_test_flag(tech_pvt->channel, CF_OUTBOUND)) {
const char *r_sdp = switch_channel_get_variable(channel, SWITCH_R_SDP_VARIABLE);
tech_pvt->num_codecs = 0;
sofia_glue_tech_prepare_codecs(tech_pvt);
if (sofia_glue_tech_media(tech_pvt, r_sdp) != SWITCH_STATUS_SUCCESS) {
switch_channel_set_variable(channel, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "CODEC NEGOTIATION ERROR");
//nua_respond(tech_pvt->nh, SIP_488_NOT_ACCEPTABLE, TAG_END());
status = SWITCH_STATUS_FALSE;
goto end;
}
}
}
if ((status = sofia_glue_tech_choose_port(tech_pvt, 0)) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
goto end;
}
sofia_glue_set_local_sdp(tech_pvt, NULL, 0, NULL, 0);
if (sofia_glue_activate_rtp(tech_pvt, 0) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
}
if (tech_pvt->local_sdp_str) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Ring SDP:\n%s\n", tech_pvt->local_sdp_str);
}
}
switch_channel_mark_pre_answered(channel);
if (switch_test_flag(tech_pvt, TFLAG_NAT) ||
(val = switch_channel_get_variable(channel, "sip-force-contact")) ||
((val = switch_channel_get_variable(channel, "sip_sticky_contact")) && switch_true(val))) {
sticky = tech_pvt->record_route;
switch_channel_set_variable(channel, "sip_nat_detected", "true");
}
nua_respond(tech_pvt->nh,
SIP_183_SESSION_PROGRESS,
NUTAG_AUTOANSWER(0),
TAG_IF(sticky, NUTAG_PROXY(tech_pvt->record_route)),
SIPTAG_CONTACT_STR(tech_pvt->reply_contact),
SOATAG_REUSE_REJECTED(1),
SOATAG_ORDERED_USER(1),
SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str), SOATAG_AUDIO_AUX("cn telephone-event"), TAG_END());
}
}
break;
default:
break;
}
end:
return status;
}
static switch_status_t sofia_receive_event(switch_core_session_t *session, switch_event_t *event)
{
struct private_object *tech_pvt = switch_core_session_get_private(session);
char *body;
nua_handle_t *msg_nh;
switch_assert(tech_pvt != NULL);
if (!(body = switch_event_get_body(event))) {
body = "";
}
if (tech_pvt->hash_key) {
msg_nh = nua_handle(tech_pvt->profile->nua, NULL,
SIPTAG_FROM_STR(tech_pvt->chat_from),
NUTAG_URL(tech_pvt->chat_to), SIPTAG_TO_STR(tech_pvt->chat_to), SIPTAG_CONTACT_STR(tech_pvt->profile->url), TAG_END());
nua_handle_bind(msg_nh, &mod_sofia_globals.destroy_private);
nua_message(msg_nh, SIPTAG_CONTENT_TYPE_STR("text/html"), SIPTAG_PAYLOAD_STR(body), TAG_END());
}
return SWITCH_STATUS_SUCCESS;
}
typedef switch_status_t (*sofia_command_t) (char **argv, int argc, switch_stream_handle_t *stream);
static const char *sofia_state_names[] = { "UNREGED",
"TRYING",
"REGISTER",
"REGED",
"UNREGISTER",
"FAILED",
"EXPIRED",
"NOREG",
NULL};
struct cb_helper {
sofia_profile_t *profile;
switch_stream_handle_t *stream;
};
#define switch_time_from_sec(sec) ((switch_time_t)(sec) * 1000000)
static int show_reg_callback(void *pArg, int argc, char **argv, char **columnNames)
{
struct cb_helper *cb = (struct cb_helper *) pArg;
char exp_buf[128] = "";
switch_time_exp_t tm;
if (argv[6]) {
switch_time_t etime = atoi(argv[6]);
switch_size_t retsize;
switch_time_exp_lt(&tm, switch_time_from_sec(etime));
switch_strftime(exp_buf, &retsize, sizeof(exp_buf), "%Y-%m-%d %T", &tm);
}
cb->stream->write_function(cb->stream,
"Call-ID \t%s\n"
"User \t%s@%s\n"
"Contact \t%s\n"
"Agent \t%s\n"
"Status \t%s(%s) EXP(%s)\n\n",
switch_str_nil(argv[0]), switch_str_nil(argv[1]), switch_str_nil(argv[2]), switch_str_nil(argv[3]),
switch_str_nil(argv[7]),
switch_str_nil(argv[4]),
switch_str_nil(argv[5]),
exp_buf);
return 0;
}
static const char *status_names[] = { "DOWN", "UP", NULL };
static switch_status_t cmd_status(char **argv, int argc, switch_stream_handle_t *stream)
{
sofia_profile_t *profile = NULL;
sofia_gateway_t *gp;
switch_hash_index_t *hi;
void *val;
const void *vvar;
int c = 0;
int ac = 0;
const char *line = "=================================================================================================";
if (argc > 0) {
if (argc == 1) {
stream->write_function(stream, "Invalid Syntax!\n");
return SWITCH_STATUS_SUCCESS;
}
if (!strcasecmp(argv[0], "gateway")) {
if ((gp = sofia_reg_find_gateway(argv[1]))) {
switch_assert(gp->state < REG_STATE_LAST);
stream->write_function(stream, "%s\n", line);
stream->write_function(stream, "Name \t%s\n", switch_str_nil(gp->name));
stream->write_function(stream, "Scheme \t%s\n", switch_str_nil(gp->register_scheme));
stream->write_function(stream, "Realm \t%s\n", switch_str_nil(gp->register_realm));
stream->write_function(stream, "Username\t%s\n", switch_str_nil(gp->register_username));
stream->write_function(stream, "Password\t%s\n", switch_strlen_zero(gp->register_password) ? "no" : "yes");
stream->write_function(stream, "From \t%s\n", switch_str_nil(gp->register_from));
stream->write_function(stream, "Contact \t%s\n", switch_str_nil(gp->register_contact));
stream->write_function(stream, "To \t%s\n", switch_str_nil(gp->register_to));
stream->write_function(stream, "Proxy \t%s\n", switch_str_nil(gp->register_proxy));
stream->write_function(stream, "Context \t%s\n", switch_str_nil(gp->register_context));
stream->write_function(stream, "Expires \t%s\n", switch_str_nil(gp->expires_str));
stream->write_function(stream, "Freq \t%d\n", gp->freq);
stream->write_function(stream, "Ping \t%d\n", gp->ping);
stream->write_function(stream, "PingFreq\t%d\n", gp->ping_freq);
stream->write_function(stream, "State \t%s\n", sofia_state_names[gp->state]);
stream->write_function(stream, "Status \t%s%s\n", status_names[gp->status], gp->pinging ? " (ping)" : "");
stream->write_function(stream, "%s\n", line);
sofia_reg_release_gateway(gp);
} else {
stream->write_function(stream, "Invalid Gateway!\n");
}
} else if (!strcasecmp(argv[0], "profile")) {
struct cb_helper cb;
if ((profile = sofia_glue_find_profile(argv[1]))) {
stream->write_function(stream, "%s\n", line);
stream->write_function(stream, "Name \t%s\n", switch_str_nil(argv[1]));
stream->write_function(stream, "Domain Name\t%s\n", switch_str_nil(profile->domain_name));
if (strcasecmp(argv[1], profile->name)) {
stream->write_function(stream, "Alias Of \t%s\n", switch_str_nil(profile->name));
}
stream->write_function(stream, "DBName \t%s\n", switch_str_nil(profile->dbname));
stream->write_function(stream, "Dialplan \t%s\n", switch_str_nil(profile->dialplan));
stream->write_function(stream, "RTP-IP \t%s\n", switch_str_nil(profile->rtpip));
if (profile->extrtpip) {
stream->write_function(stream, "Ext-RTP-IP \t%s\n", profile->extrtpip);
}
stream->write_function(stream, "SIP-IP \t%s\n", switch_str_nil(profile->sipip));
if (profile->extsipip) {
stream->write_function(stream, "Ext-SIP-IP \t%s\n", profile->extsipip);
}
stream->write_function(stream, "URL \t%s\n", switch_str_nil(profile->url));
stream->write_function(stream, "BIND-URL \t%s\n", switch_str_nil(profile->bindurl));
if (sofia_test_pflag(profile, PFLAG_TLS)) {
stream->write_function(stream, "TLS-URL \t%s\n", switch_str_nil(profile->tls_url));
stream->write_function(stream, "TLS-BIND-URL \t%s\n", switch_str_nil(profile->tls_bindurl));
}
stream->write_function(stream, "HOLD-MUSIC \t%s\n", switch_str_nil(profile->hold_music));
stream->write_function(stream, "CODECS \t%s\n", switch_str_nil(profile->codec_string));
stream->write_function(stream, "TEL-EVENT \t%d\n", profile->te);
stream->write_function(stream, "CNG \t%d\n", profile->cng_pt);
stream->write_function(stream, "SESSION-TO \t%d\n", profile->session_timeout);
stream->write_function(stream, "MAX-DIALOG \t%d\n", profile->max_proceeding);
stream->write_function(stream, "\nRegistrations:\n%s\n", line);
cb.profile = profile;
cb.stream = stream;
sofia_glue_execute_sql_callback(profile, SWITCH_FALSE, profile->ireg_mutex,
"select * from sip_registrations",
show_reg_callback, &cb);
stream->write_function(stream, "%s\n", line);
sofia_glue_release_profile(profile);
} else {
stream->write_function(stream, "Invalid Profile!\n");
}
} else {
stream->write_function(stream, "Invalid Syntax!\n");
}
return SWITCH_STATUS_SUCCESS;
}
stream->write_function(stream, "%25s\t%s\t %32s\t%s\n", "Name", " Type", "Data", "State");
stream->write_function(stream, "%s\n", line);
switch_mutex_lock(mod_sofia_globals.hash_mutex);
for (hi = switch_hash_first(NULL, mod_sofia_globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, &vvar, NULL, &val);
profile = (sofia_profile_t *) val;
if (sofia_test_pflag(profile, PFLAG_RUNNING)) {
if (strcmp(vvar, profile->name)) {
ac++;
stream->write_function(stream, "%25s\t%s\t %32s\t%s\n", vvar, " alias", profile->name, "ALIASED");
} else {
stream->write_function(stream, "%25s\t%s\t %32s\t%s (%u)\n", profile->name, "profile", profile->url,
sofia_test_pflag(profile, PFLAG_RUNNING) ? "RUNNING" : "DOWN", profile->inuse);
if (sofia_test_pflag(profile, PFLAG_TLS)) {
stream->write_function(stream, "%25s\t%s\t %32s\t%s (%u) (TLS)\n", profile->name, "profile", profile->tls_url,
sofia_test_pflag(profile, PFLAG_RUNNING) ? "RUNNING" : "DOWN", profile->inuse);
}
c++;
for (gp = profile->gateways; gp; gp = gp->next) {
switch_assert(gp->state < REG_STATE_LAST);
stream->write_function(stream, "%25s\t%s\t %32s\t%s", gp->name, "gateway", gp->register_to, sofia_state_names[gp->state]);
if (gp->state == REG_STATE_FAILED || gp->state == REG_STATE_TRYING) {
stream->write_function(stream, " (retry: %ds)", gp->retry - switch_timestamp(NULL));
}
stream->write_function(stream, "\n");
}
}
}
}
switch_mutex_unlock(mod_sofia_globals.hash_mutex);
stream->write_function(stream, "%s\n", line);
stream->write_function(stream, "%d profile%s %d alias%s\n", c, c == 1 ? "" : "s", ac, ac == 1 ? "" : "es");
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t cmd_profile(char **argv, int argc, switch_stream_handle_t *stream)
{
sofia_profile_t *profile = NULL;
char *profile_name = argv[0];
const char *err;
switch_xml_t xml_root;
if (argc < 2) {
stream->write_function(stream, "Invalid Args!\n");
return SWITCH_STATUS_SUCCESS;
}
if (!strcasecmp(argv[1], "start")) {
if (argc > 2 && !strcasecmp(argv[2], "reloadxml")) {
if ((xml_root = switch_xml_open_root(1, &err))) {
switch_xml_free(xml_root);
}
stream->write_function(stream, "Reload XML [%s]\n", err);
}
if (config_sofia(1, argv[0]) == SWITCH_STATUS_SUCCESS) {
stream->write_function(stream, "%s started successfully\n", argv[0]);
} else {
stream->write_function(stream, "Failure starting %s\n", argv[0]);
}
return SWITCH_STATUS_SUCCESS;
}
if (switch_strlen_zero(profile_name) || !(profile = sofia_glue_find_profile(profile_name))) {
stream->write_function(stream, "Invalid Profile [%s]", switch_str_nil(profile_name));
return SWITCH_STATUS_SUCCESS;
}
if (!strcasecmp(argv[1], "flush_inbound_reg")) {
if (argc > 2) {
sofia_reg_expire_call_id(profile, argv[2]);
stream->write_function(stream, "+OK flushing all registrations matching specified call_id\n");
} else {
sofia_reg_check_expire(profile, 0);
stream->write_function(stream, "+OK flushing all registrations\n");
}
goto done;
}
if (!strcasecmp(argv[1], "register")) {
char *gname = argv[2];
sofia_gateway_t *gateway_ptr;
if (switch_strlen_zero(gname)) {
stream->write_function(stream, "No gateway name provided!\n");
goto done;
}
if (!strcasecmp(gname, "all")) {
for (gateway_ptr = profile->gateways; gateway_ptr; gateway_ptr = gateway_ptr->next) {
gateway_ptr->retry = 0;
gateway_ptr->state = REG_STATE_UNREGED;
}
stream->write_function(stream, "+OK\n");
} else if ((gateway_ptr = sofia_reg_find_gateway(gname))) {
gateway_ptr->retry = 0;
gateway_ptr->state = REG_STATE_UNREGED;
stream->write_function(stream, "+OK\n");
sofia_reg_release_gateway(gateway_ptr);
} else {
stream->write_function(stream, "Invalid gateway!\n");
}
goto done;
}
if (!strcasecmp(argv[1], "unregister")) {
char *gname = argv[2];
sofia_gateway_t *gateway_ptr;
if (switch_strlen_zero(gname)) {
stream->write_function(stream, "No gateway name provided!\n");
goto done;
}
if (!strcasecmp(gname, "all")) {
for (gateway_ptr = profile->gateways; gateway_ptr; gateway_ptr = gateway_ptr->next) {
gateway_ptr->retry = 0;
gateway_ptr->state = REG_STATE_UNREGISTER;
}
stream->write_function(stream, "+OK\n");
} else if ((gateway_ptr = sofia_reg_find_gateway(gname))) {
gateway_ptr->retry = 0;
gateway_ptr->state = REG_STATE_UNREGISTER;
stream->write_function(stream, "+OK\n");
sofia_reg_release_gateway(gateway_ptr);
} else {
stream->write_function(stream, "Invalid gateway!\n");
}
goto done;
}
if (!strcasecmp(argv[1], "stop") || !strcasecmp(argv[1], "restart")) {
int rsec = 3;
int diff = (int) (switch_timestamp(NULL) - profile->started);
int remain = rsec - diff;
if (diff < rsec) {
stream->write_function(stream, "Profile %s must be up for at least %d seconds to stop/restart.\nPlease wait %d second%s\n",
profile->name, rsec, remain, remain == 1 ? "" : "s");
} else {
if (argc > 2 && !strcasecmp(argv[2], "reloadxml")) {
if ((xml_root = switch_xml_open_root(1, &err))) {
switch_xml_free(xml_root);
}
stream->write_function(stream, "Reload XML [%s]\n", err);
}
if (!strcasecmp(argv[1], "stop")) {
sofia_clear_pflag_locked(profile, PFLAG_RUNNING);
stream->write_function(stream, "stopping: %s", profile->name);
} else {
sofia_set_pflag_locked(profile, PFLAG_RESPAWN);
sofia_clear_pflag_locked(profile, PFLAG_RUNNING);
stream->write_function(stream, "restarting: %s", profile->name);
}
}
goto done;
}
stream->write_function(stream, "-ERR Unknown command!\n");
done:
if (profile) {
sofia_glue_release_profile(profile);
}
return SWITCH_STATUS_SUCCESS;
}
static int contact_callback(void *pArg, int argc, char **argv, char **columnNames)
{
struct cb_helper *cb = (struct cb_helper *) pArg;
char *contact;
if (!switch_strlen_zero(argv[0]) && (contact = sofia_glue_get_url_from_contact(argv[0], 1))) {
cb->stream->write_function(cb->stream, "sofia/%s/%s,", cb->profile->name, contact + 4);
free(contact);
}
return 0;
}
SWITCH_STANDARD_API(sofia_contact_function)
{
char *data;
char *user = NULL;
char *domain = NULL;
char *profile_name = NULL;
char *p;
sofia_profile_t *profile = NULL;
const char *exclude_contact = NULL;
char *reply = "";
if (!cmd) {
stream->write_function(stream, "%s", "");
return SWITCH_STATUS_SUCCESS;
}
if (session) {
switch_channel_t *channel = switch_core_session_get_channel(session);
exclude_contact = switch_channel_get_variable(channel, "sip_exclude_contact");
}
data = strdup(cmd);
switch_assert(data);
if ((p = strchr(data, '/'))) {
profile_name = data;
*p++ = '\0';
user = p;
} else {
user = data;
}
if ((domain = strchr(user, '@'))) {
*domain++ = '\0';
}
if (!profile_name && domain) {
profile_name = domain;
}
if (user && profile_name) {
char *sql;
if (!(profile = sofia_glue_find_profile(profile_name))) {
profile_name = domain;
domain = NULL;
}
if (!profile && profile_name) {
profile = sofia_glue_find_profile(profile_name);
}
if (profile) {
struct cb_helper cb;
switch_stream_handle_t mystream = { 0 };
if (!domain || !strchr(domain, '.')) {
domain = profile->name;
}
SWITCH_STANDARD_STREAM(mystream);
switch_assert(mystream.data);
cb.profile = profile;
cb.stream = &mystream;
if (exclude_contact) {
sql = switch_mprintf("select contact from sip_registrations where sip_user='%q' and sip_host='%q' and contact not like '%%%s%%'",
user, domain, exclude_contact);
} else {
sql = switch_mprintf("select contact from sip_registrations where sip_user='%q' and sip_host='%q'", user, domain);
}
switch_assert(sql);
sofia_glue_execute_sql_callback(profile, SWITCH_FALSE, profile->ireg_mutex, sql, contact_callback, &cb);
switch_safe_free(sql);
reply = (char *) mystream.data;
if (!switch_strlen_zero(reply) && end_of(reply) == ',') {
end_of(reply) = '\0';
}
stream->write_function(stream, "%s", reply);
reply = NULL;
switch_safe_free(mystream.data);
}
}
if (reply) {
stream->write_function(stream, "%s", reply);
}
switch_safe_free(data);
if (profile) {
sofia_glue_release_profile(profile);
}
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_API(sofia_function)
{
char *argv[1024] = { 0 };
int argc = 0;
char *mycmd = NULL;
switch_status_t status = SWITCH_STATUS_SUCCESS;
sofia_command_t func = NULL;
int lead = 1;
const char *usage_string = "USAGE:\n"
"--------------------------------------------------------------------------------\n"
"sofia help\n"
"sofia profile <profile_name> [start|stop|restart|flush_inbound_reg [<call_id>]|[register|unregister] [<gateway name>|all]] [reloadxml]\n"
"sofia status [[profile | gateway] <name>]\n"
"sofia loglevel [0-9]\n"
"--------------------------------------------------------------------------------\n";
if (session) {
return SWITCH_STATUS_FALSE;
}
if (switch_strlen_zero(cmd)) {
stream->write_function(stream, "%s", usage_string);
goto done;
}
if (!(mycmd = strdup(cmd))) {
status = SWITCH_STATUS_MEMERR;
goto done;
}
if (!(argc = switch_separate_string(mycmd, ' ', argv, (sizeof(argv) / sizeof(argv[0])))) || !argv[0]) {
stream->write_function(stream, "%s", usage_string);
goto done;
}
if (!strcasecmp(argv[0], "profile")) {
func = cmd_profile;
} else if (!strcasecmp(argv[0], "status")) {
func = cmd_status;
} else if (!strcasecmp(argv[0], "loglevel")) {
if (argc > 1 && argv[1]) {
int level;
level = atoi(argv[1]);
if (level >= 0 && level <= 9) {
su_log_set_level(NULL, atoi(argv[1]));
stream->write_function(stream, "Sofia-sip log level set to [%d]", level);
} else {
stream->write_function(stream, "%s", usage_string);
}
} else {
stream->write_function(stream, "%s", usage_string);
}
goto done;
} else if (!strcasecmp(argv[0], "help")) {
stream->write_function(stream, "%s", usage_string);
goto done;
}
if (func) {
status = func(&argv[lead], argc - lead, stream);
} else {
stream->write_function(stream, "Unknown Command [%s]\n", argv[0]);
}
done:
switch_safe_free(mycmd);
return status;
}
switch_io_routines_t sofia_io_routines = {
/*.outgoing_channel */ sofia_outgoing_channel,
/*.read_frame */ sofia_read_frame,
/*.write_frame */ sofia_write_frame,
/*.kill_channel */ sofia_kill_channel,
/*.send_dtmf */ sofia_send_dtmf,
/*.receive_message */ sofia_receive_message,
/*.receive_event */ sofia_receive_event,
/*.state_change*/ NULL,
/*.read_video_frame*/ sofia_read_video_frame,
/*.write_video_frame*/ sofia_write_video_frame
};
switch_state_handler_table_t sofia_event_handlers = {
/*.on_init */ sofia_on_init,
/*.on_routing */ sofia_on_routing,
/*.on_execute */ sofia_on_execute,
/*.on_hangup */ sofia_on_hangup,
/*.on_exchange_media */ sofia_on_exchange_media,
/*.on_soft_execute */ sofia_on_soft_execute,
/*.on_consume_media */ NULL,
/*.on_hibernate*/ sofia_on_hibernate,
/*.on_reset*/ sofia_on_reset
};
static switch_status_t sofia_manage(char *relative_oid, switch_management_action_t action, char *data, switch_size_t datalen)
{
return SWITCH_STATUS_SUCCESS;
}
static switch_call_cause_t sofia_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event,
switch_caller_profile_t *outbound_profile, switch_core_session_t **new_session,
switch_memory_pool_t **pool, switch_originate_flag_t flags)
{
switch_call_cause_t cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
switch_core_session_t *nsession = NULL;
char *data, *profile_name, *dest;
sofia_profile_t *profile = NULL;
switch_caller_profile_t *caller_profile = NULL;
private_object_t *tech_pvt = NULL;
switch_channel_t *nchannel;
char *host = NULL, *dest_to = NULL;
*new_session = NULL;
if (!(nsession = switch_core_session_request(sofia_endpoint_interface, pool))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error Creating Session\n");
goto error;
}
if (!(tech_pvt = (struct private_object *) switch_core_session_alloc(nsession, sizeof(*tech_pvt)))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error Creating Session\n");
goto error;
}
switch_mutex_init(&tech_pvt->flag_mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(nsession));
data = switch_core_session_strdup(nsession, outbound_profile->destination_number);
profile_name = data;
nchannel = switch_core_session_get_channel(nsession);
if (!strncasecmp(profile_name, "gateway", 7)) {
char *gw, *params;
sofia_gateway_t *gateway_ptr = NULL;
if (!(gw = strchr(profile_name, '/'))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid URL\n");
cause = SWITCH_CAUSE_INVALID_NUMBER_FORMAT;
goto error;
}
*gw++ = '\0';
if (!(dest = strchr(gw, '/'))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid URL\n");
cause = SWITCH_CAUSE_INVALID_NUMBER_FORMAT;
goto error;
}
*dest++ = '\0';
if (!(gateway_ptr = sofia_reg_find_gateway(gw))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Gateway\n");
cause = SWITCH_CAUSE_INVALID_NUMBER_FORMAT;
goto error;
}
if (gateway_ptr->status != SOFIA_GATEWAY_UP) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Gateway is down!\n");
cause = SWITCH_CAUSE_NETWORK_OUT_OF_ORDER;
sofia_reg_release_gateway(gateway_ptr);
gateway_ptr = NULL;
goto error;
}
tech_pvt->transport = gateway_ptr->register_transport;
/*
* Handle params, strip them off the destination and add them to the
* invite contact.
*
* TODO:
* - Add parameters back to destination url?
*/
if ((params = strchr(dest, ';'))) {
char *tp_param;
*params++ = '\0';
if ((tp_param = (char *)switch_stristr("port=", params))) {
tp_param += 5;
tech_pvt->transport = sofia_glue_str2transport(tp_param);
if (tech_pvt->transport == SOFIA_TRANSPORT_UNKNOWN) {
cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
goto error;
}
}
}
if (tech_pvt->transport != gateway_ptr->register_transport) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "You are trying to use a different transport type for this gateway (overriding the register-transport), this is unsupported!\n");
cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
goto error;
}
profile = gateway_ptr->profile;
tech_pvt->gateway_name = switch_core_session_strdup(nsession, gateway_ptr->name);
switch_channel_set_variable(nchannel, "sip_gateway_name", gateway_ptr->name);
if (!switch_test_flag(gateway_ptr, REG_FLAG_CALLERID)) {
tech_pvt->gateway_from_str = switch_core_session_strdup(nsession, gateway_ptr->register_from);
}
if (!strchr(dest, '@')) {
tech_pvt->dest = switch_core_session_sprintf(nsession, "sip:%s@%s", dest, gateway_ptr->register_proxy + 4);
} else {
tech_pvt->dest = switch_core_session_sprintf(nsession, "sip:%s", dest);
}
if (params) {
tech_pvt->invite_contact = switch_core_session_sprintf(nsession, "%s;%s", gateway_ptr->register_contact, params);
} else {
tech_pvt->invite_contact = switch_core_session_strdup(nsession, gateway_ptr->register_contact);
}
} else {
if (!(dest = strchr(profile_name, '/'))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid URL\n");
cause = SWITCH_CAUSE_INVALID_NUMBER_FORMAT;
goto error;
}
*dest++ = '\0';
if (!(profile = sofia_glue_find_profile(profile_name))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Profile\n");
cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
goto error;
}
if (profile->domain_name && profile->domain_name != profile->name) {
profile_name = profile->domain_name;
}
if ((dest_to = strchr(dest, '^'))) {
*dest_to++ = '\0';
}
if ((host = strchr(dest, '%'))) {
char buf[128];
*host = '@';
tech_pvt->e_dest = switch_core_session_strdup(nsession, dest);
*host++ = '\0';
if (sofia_reg_find_reg_url(profile, dest, host, buf, sizeof(buf))) {
tech_pvt->dest = switch_core_session_strdup(nsession, buf);
tech_pvt->local_url = switch_core_session_sprintf(nsession, "%s@%s", dest, host);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Cannot locate registered user %s@%s\n", dest, host);
cause = SWITCH_CAUSE_NO_ROUTE_DESTINATION;
goto error;
}
} else if (!(host = strchr(dest, '@'))) {
char buf[128];
tech_pvt->e_dest = switch_core_session_strdup(nsession, dest);
if (sofia_reg_find_reg_url(profile, dest, profile_name, buf, sizeof(buf))) {
tech_pvt->dest = switch_core_session_strdup(nsession, buf);
tech_pvt->local_url = switch_core_session_sprintf(nsession, "%s@%s", dest, profile_name);
host = profile_name;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Cannot locate registered user %s@%s\n", dest, profile_name);
cause = SWITCH_CAUSE_NO_ROUTE_DESTINATION;
goto error;
}
} else {
tech_pvt->dest = switch_core_session_alloc(nsession, strlen(dest) + 5);
switch_snprintf(tech_pvt->dest, strlen(dest) + 5, "sip:%s", dest);
}
}
if (dest_to) {
if (strchr(dest_to, '@')) {
tech_pvt->dest_to = switch_core_session_sprintf(nsession, "sip:%s", dest_to);
} else {
tech_pvt->dest_to = switch_core_session_sprintf(nsession, "sip:%s@%s", dest_to, host);
}
}
if (!tech_pvt->dest_to) {
tech_pvt->dest_to = tech_pvt->dest;
}
sofia_glue_attach_private(nsession, profile, tech_pvt, dest);
if (tech_pvt->local_url) {
switch_channel_set_variable(nchannel, "sip_local_url", tech_pvt->local_url);
if (sofia_test_pflag(profile, PFLAG_PRESENCE)) {
switch_channel_set_variable(nchannel, "presence_id", tech_pvt->local_url);
}
}
switch_channel_set_variable(nchannel, "sip_destination_url", tech_pvt->dest);
caller_profile = switch_caller_profile_clone(nsession, outbound_profile);
caller_profile->destination_number = switch_core_strdup(caller_profile->pool, dest);
switch_channel_set_caller_profile(nchannel, caller_profile);
switch_channel_set_flag(nchannel, CF_OUTBOUND);
switch_set_flag_locked(tech_pvt, TFLAG_OUTBOUND);
switch_clear_flag_locked(tech_pvt, TFLAG_LATE_NEGOTIATION);
if (switch_channel_get_state(nchannel) == CS_NEW) {
switch_channel_set_state(nchannel, CS_INIT);
}
tech_pvt->caller_profile = caller_profile;
*new_session = nsession;
cause = SWITCH_CAUSE_SUCCESS;
if (session) {
switch_channel_t *o_channel = switch_core_session_get_channel(session);
switch_ivr_transfer_variable(session, nsession, SOFIA_REPLACES_HEADER);
switch_ivr_transfer_variable(session, nsession, "sip_auto_answer");
switch_ivr_transfer_variable(session, nsession, SOFIA_SIP_HEADER_PREFIX_T);
switch_ivr_transfer_variable(session, nsession, "sip_video_fmtp");
switch_ivr_transfer_variable(session, nsession, "sip-force-contact");
switch_ivr_transfer_variable(session, nsession, "sip_sticky_contact");
if (switch_core_session_compare(session, nsession)) {
/* It's another sofia channel! so lets cache what they use as a pt for telephone event so
we can keep it the same
*/
private_object_t *ctech_pvt;
ctech_pvt = switch_core_session_get_private(session);
switch_assert(ctech_pvt != NULL);
tech_pvt->bte = ctech_pvt->te;
tech_pvt->bcng_pt = ctech_pvt->cng_pt;
}
if (switch_channel_test_flag(o_channel, CF_PROXY_MEDIA)) {
const char *r_sdp = switch_channel_get_variable(o_channel, SWITCH_R_SDP_VARIABLE);
if (switch_stristr("m=video", r_sdp)) {
sofia_glue_tech_choose_video_port(tech_pvt, 1);
tech_pvt->video_rm_encoding = "PROXY-VID";
tech_pvt->video_rm_rate = 90000;
tech_pvt->video_codec_ms = 0;
switch_channel_set_flag(tech_pvt->channel, CF_VIDEO);
switch_set_flag(tech_pvt, TFLAG_VIDEO);
}
}
}
goto done;
error:
if (nsession) {
switch_core_session_destroy(&nsession);
}
*pool = NULL;
done:
if (profile) {
sofia_glue_release_profile(profile);
}
return cause;
}
SWITCH_MODULE_LOAD_FUNCTION(mod_sofia_load)
{
switch_chat_interface_t *chat_interface;
switch_api_interface_t *api_interface;
switch_management_interface_t *management_interface;
silence_frame.data = silence_data;
silence_frame.datalen = sizeof(silence_data);
silence_frame.buflen = sizeof(silence_data);
silence_frame.flags = SFF_CNG;
memset(&mod_sofia_globals, 0, sizeof(mod_sofia_globals));
mod_sofia_globals.destroy_private.destroy_nh = 1;
mod_sofia_globals.pool = pool;
switch_mutex_init(&mod_sofia_globals.mutex, SWITCH_MUTEX_NESTED, mod_sofia_globals.pool);
switch_find_local_ip(mod_sofia_globals.guess_ip, sizeof(mod_sofia_globals.guess_ip), AF_INET);
switch_core_hash_init(&mod_sofia_globals.profile_hash, mod_sofia_globals.pool);
switch_core_hash_init(&mod_sofia_globals.gateway_hash, mod_sofia_globals.pool);
switch_mutex_init(&mod_sofia_globals.hash_mutex, SWITCH_MUTEX_NESTED, mod_sofia_globals.pool);
switch_mutex_lock(mod_sofia_globals.mutex);
mod_sofia_globals.running = 1;
switch_mutex_unlock(mod_sofia_globals.mutex);
switch_queue_create(&mod_sofia_globals.presence_queue, 500000, mod_sofia_globals.pool);
switch_queue_create(&mod_sofia_globals.mwi_queue, 500000, mod_sofia_globals.pool);
if (config_sofia(0, NULL) != SWITCH_STATUS_SUCCESS) {
mod_sofia_globals.running = 0;
return SWITCH_STATUS_GENERR;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Waiting for profiles to start\n");
switch_yield(1500000);
if (switch_event_bind(modname, SWITCH_EVENT_CUSTOM, MULTICAST_EVENT, event_handler, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_TERM;
}
if (switch_event_bind(modname, SWITCH_EVENT_PRESENCE_IN, SWITCH_EVENT_SUBCLASS_ANY, sofia_presence_event_handler, NULL)
!= SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_GENERR;
}
if (switch_event_bind(modname, SWITCH_EVENT_PRESENCE_OUT, SWITCH_EVENT_SUBCLASS_ANY, sofia_presence_event_handler, NULL)
!= SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_GENERR;
}
if (switch_event_bind(modname, SWITCH_EVENT_PRESENCE_PROBE, SWITCH_EVENT_SUBCLASS_ANY, sofia_presence_event_handler, NULL)
!= SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_GENERR;
}
if (switch_event_bind(modname, SWITCH_EVENT_ROSTER, SWITCH_EVENT_SUBCLASS_ANY, sofia_presence_event_handler, NULL)
!= SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_GENERR;
}
if (switch_event_bind(modname, SWITCH_EVENT_MESSAGE_WAITING, SWITCH_EVENT_SUBCLASS_ANY, sofia_presence_mwi_event_handler, NULL)
!= SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_GENERR;
}
/* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
sofia_endpoint_interface = switch_loadable_module_create_interface(*module_interface, SWITCH_ENDPOINT_INTERFACE);
sofia_endpoint_interface->interface_name = "sofia";
sofia_endpoint_interface->io_routines = &sofia_io_routines;
sofia_endpoint_interface->state_handler = &sofia_event_handlers;
management_interface = switch_loadable_module_create_interface(*module_interface, SWITCH_MANAGEMENT_INTERFACE);
management_interface->relative_oid = "1";
management_interface->management_function = sofia_manage;
SWITCH_ADD_API(api_interface, "sofia", "Sofia Controls", sofia_function, "<cmd> <args>");
SWITCH_ADD_API(api_interface, "sofia_contact", "Sofia Contacts", sofia_contact_function, "[profile/]<user>@<domain>");
SWITCH_ADD_CHAT(chat_interface, SOFIA_CHAT_PROTO, sofia_presence_chat_send);
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_sofia_shutdown)
{
int sanity = 0;
switch_mutex_lock(mod_sofia_globals.mutex);
if (mod_sofia_globals.running == 1) {
mod_sofia_globals.running = 0;
}
switch_mutex_unlock(mod_sofia_globals.mutex);
while (mod_sofia_globals.threads) {
switch_yield(1000);
if (++sanity >= 10000) {
break;
}
}
su_deinit();
switch_mutex_lock(mod_sofia_globals.hash_mutex);
switch_core_hash_destroy(&mod_sofia_globals.profile_hash);
switch_core_hash_destroy(&mod_sofia_globals.gateway_hash);
switch_mutex_unlock(mod_sofia_globals.hash_mutex);
return SWITCH_STATUS_SUCCESS;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
*/