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Copy pathswitch_core_session.c
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3090 lines (2484 loc) · 98.1 KB
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/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2014, Anthony Minessale II <[email protected]>
*
* 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 <[email protected]>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <[email protected]>
* Michael Jerris <[email protected]>
* Paul D. Tinsley <pdt at jackhammer.org>
* Joseph Sullivan <[email protected]>
*
*
* switch_core_session.c -- Main Core Library (session routines)
*
*/
#include "switch.h"
#include "switch_core.h"
#include "private/switch_core_pvt.h"
#define DEBUG_THREAD_POOL
struct switch_session_manager session_manager;
SWITCH_DECLARE(void) switch_core_session_set_dmachine(switch_core_session_t *session, switch_ivr_dmachine_t *dmachine, switch_digit_action_target_t target)
{
int i = (int) target;
if (i == 0 || i == 1) {
if (dmachine) {
switch_ivr_dmachine_set_target(dmachine, target);
}
session->dmachine[i] = dmachine;
}
}
SWITCH_DECLARE(switch_ivr_dmachine_t *) switch_core_session_get_dmachine(switch_core_session_t *session, switch_digit_action_target_t target)
{
int i = (int) target;
if (i == 0 || i == 1) {
return session->dmachine[i];
}
return NULL;
}
SWITCH_DECLARE(switch_jb_t *) switch_core_session_get_jb(switch_core_session_t *session, switch_media_type_t type)
{
if (session->endpoint_interface->io_routines->get_jb) {
return session->endpoint_interface->io_routines->get_jb(session, type);
}
return NULL;
}
SWITCH_DECLARE(void) switch_core_session_soft_lock(switch_core_session_t *session, uint32_t sec)
{
session->soft_lock = sec;
}
SWITCH_DECLARE(void) switch_core_session_soft_unlock(switch_core_session_t *session)
{
session->soft_lock = 0;
}
SWITCH_DECLARE(switch_status_t) switch_core_session_set_codec_slin(switch_core_session_t *session, switch_slin_data_t *data)
{
switch_codec_implementation_t read_impl = { 0 };
int interval;
switch_core_session_get_read_impl(session, &read_impl);
interval = read_impl.microseconds_per_packet / 1000;
data->session = session;
if (switch_core_codec_init(&data->codec,
"L16",
NULL,
NULL,
read_impl.actual_samples_per_second,
interval,
read_impl.number_of_channels, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE, NULL, NULL) == SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session),
SWITCH_LOG_DEBUG, "Codec Activated L16@%uhz %dms\n", read_impl.actual_samples_per_second, interval);
memset(&data->write_frame, 0, sizeof(data->write_frame));
data->write_frame.codec = &data->codec;
data->write_frame.data = data->frame_data;
data->write_frame.buflen = sizeof(data->frame_data);
data->write_frame.datalen = 0;
switch_core_session_set_read_codec(session, &data->codec);
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_core_session_t *) switch_core_session_perform_locate(const char *uuid_str, const char *file, const char *func, int line)
{
switch_core_session_t *session = NULL;
if (uuid_str) {
switch_mutex_lock(runtime.session_hash_mutex);
if ((session = switch_core_hash_find(session_manager.session_table, uuid_str))) {
/* Acquire a read lock on the session */
#ifdef SWITCH_DEBUG_RWLOCKS
if (switch_core_session_perform_read_lock(session, file, func, line) != SWITCH_STATUS_SUCCESS) {
#if EMACS_CC_MODE_IS_BUGGY
}
#endif
#else
if (switch_core_session_read_lock(session) != SWITCH_STATUS_SUCCESS) {
#endif
/* not available, forget it */
session = NULL;
}
}
switch_mutex_unlock(runtime.session_hash_mutex);
}
/* if its not NULL, now it's up to you to rwunlock this */
return session;
}
SWITCH_DECLARE(switch_core_session_t *) switch_core_session_perform_force_locate(const char *uuid_str, const char *file, const char *func, int line)
{
switch_core_session_t *session = NULL;
switch_status_t status;
if (uuid_str) {
switch_mutex_lock(runtime.session_hash_mutex);
if ((session = switch_core_hash_find(session_manager.session_table, uuid_str))) {
/* Acquire a read lock on the session */
if (switch_test_flag(session, SSF_DESTROYED)) {
status = SWITCH_STATUS_FALSE;
#ifdef SWITCH_DEBUG_RWLOCKS
switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, uuid_str, SWITCH_LOG_ERROR, "%s %s Read lock FAIL\n",
switch_core_session_get_uuid(session), switch_channel_get_name(session->channel));
#endif
} else {
status = (switch_status_t) switch_thread_rwlock_tryrdlock(session->rwlock);
#ifdef SWITCH_DEBUG_RWLOCKS
switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, uuid_str, SWITCH_LOG_ERROR, "%s %s Read lock ACQUIRED\n",
switch_core_session_get_uuid(session), switch_channel_get_name(session->channel));
#endif
}
if (status != SWITCH_STATUS_SUCCESS) {
/* not available, forget it */
session = NULL;
}
}
switch_mutex_unlock(runtime.session_hash_mutex);
}
/* if its not NULL, now it's up to you to rwunlock this */
return session;
}
SWITCH_DECLARE(switch_status_t) switch_core_session_perform_get_partner(switch_core_session_t *session, switch_core_session_t **partner,
const char *file, const char *func, int line)
{
const char *uuid;
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
if ((uuid = switch_channel_get_partner_uuid_copy(session->channel, uuid_str, sizeof(uuid_str)))) {
if ((*partner = switch_core_session_perform_locate(uuid, file, func, line))) {
return SWITCH_STATUS_SUCCESS;
}
}
*partner = NULL;
return SWITCH_STATUS_FALSE;
}
struct str_node {
char *str;
struct str_node *next;
};
SWITCH_DECLARE(uint32_t) switch_core_session_hupall_matching_vars_ans(switch_event_t *vars, switch_call_cause_t cause, switch_hup_type_t type)
{
switch_hash_index_t *hi;
void *val;
switch_core_session_t *session;
switch_memory_pool_t *pool;
struct str_node *head = NULL, *np;
uint32_t r = 0;
switch_core_new_memory_pool(&pool);
if (!vars || !vars->headers)
return r;
switch_mutex_lock(runtime.session_hash_mutex);
for (hi = switch_core_hash_first(session_manager.session_table); hi; hi = switch_core_hash_next(&hi)) {
switch_core_hash_this(hi, NULL, NULL, &val);
if (val) {
session = (switch_core_session_t *) val;
if (switch_core_session_read_lock(session) == SWITCH_STATUS_SUCCESS) {
int ans = switch_channel_test_flag(switch_core_session_get_channel(session), CF_ANSWERED);
if ((ans && (type & SHT_ANSWERED)) || (!ans && (type & SHT_UNANSWERED))) {
np = switch_core_alloc(pool, sizeof(*np));
np->str = switch_core_strdup(pool, session->uuid_str);
np->next = head;
head = np;
}
switch_core_session_rwunlock(session);
}
}
}
switch_mutex_unlock(runtime.session_hash_mutex);
for(np = head; np; np = np->next) {
if ((session = switch_core_session_locate(np->str))) {
const char *this_value;
if (switch_channel_up_nosig(session->channel)) {
/* check if all conditions are satisfied */
int do_hangup = 1;
switch_event_header_t *hp;
for (hp = vars->headers; hp; hp = hp->next) {
const char *var_name = hp->name;
const char *var_value = hp->value;
if (!(this_value = switch_channel_get_variable(session->channel, var_name)) || (strcmp(this_value, var_value))) {
do_hangup = 0;
break;
}
}
if (do_hangup) {
switch_channel_hangup(session->channel, cause);
r++;
}
}
switch_core_session_rwunlock(session);
}
}
switch_core_destroy_memory_pool(&pool);
return r;
}
SWITCH_DECLARE(uint32_t) switch_core_session_hupall_matching_var_ans(const char *var_name, const char *var_val, switch_call_cause_t cause,
switch_hup_type_t type)
{
switch_event_t *vars;
int r = 0;
if (!var_val || !var_name)
return r;
switch_event_create(&vars, SWITCH_EVENT_CLONE);
switch_event_add_header_string(vars, SWITCH_STACK_BOTTOM, var_name, var_val);
r = switch_core_session_hupall_matching_vars_ans(vars, cause, type);
switch_event_destroy(&vars);
return r;
}
SWITCH_DECLARE(switch_console_callback_match_t *) switch_core_session_findall_matching_var(const char *var_name, const char *var_val)
{
switch_hash_index_t *hi;
void *val;
switch_core_session_t *session;
switch_memory_pool_t *pool;
struct str_node *head = NULL, *np;
switch_console_callback_match_t *my_matches = NULL;
const char *like = NULL;
if (var_val && *var_val == '~') {
like = var_val + 1;
}
switch_core_new_memory_pool(&pool);
switch_mutex_lock(runtime.session_hash_mutex);
for (hi = switch_core_hash_first(session_manager.session_table); hi; hi = switch_core_hash_next(&hi)) {
switch_core_hash_this(hi, NULL, NULL, &val);
if (val) {
session = (switch_core_session_t *) val;
if (switch_core_session_read_lock(session) == SWITCH_STATUS_SUCCESS) {
np = switch_core_alloc(pool, sizeof(*np));
np->str = switch_core_strdup(pool, session->uuid_str);
np->next = head;
head = np;
switch_core_session_rwunlock(session);
}
}
}
switch_mutex_unlock(runtime.session_hash_mutex);
for(np = head; np; np = np->next) {
if ((session = switch_core_session_locate(np->str))) {
const char *this_val;
if (switch_channel_up_nosig(session->channel) &&
(this_val = switch_channel_get_variable_dup(session->channel, var_name, SWITCH_FALSE, -1)) &&
(!var_val || (like && switch_stristr(like, var_val)) || !strcmp(this_val, var_val))) {
switch_console_push_match(&my_matches, (const char *) np->str);
}
switch_core_session_rwunlock(session);
}
}
switch_core_destroy_memory_pool(&pool);
return my_matches;
}
SWITCH_DECLARE(void) switch_core_session_hupall_endpoint(const switch_endpoint_interface_t *endpoint_interface, switch_call_cause_t cause)
{
switch_hash_index_t *hi;
void *val;
switch_core_session_t *session;
switch_memory_pool_t *pool;
struct str_node *head = NULL, *np;
switch_core_new_memory_pool(&pool);
switch_mutex_lock(runtime.session_hash_mutex);
for (hi = switch_core_hash_first(session_manager.session_table); hi; hi = switch_core_hash_next(&hi)) {
switch_core_hash_this(hi, NULL, NULL, &val);
if (val) {
session = (switch_core_session_t *) val;
if (switch_core_session_read_lock(session) == SWITCH_STATUS_SUCCESS) {
if (session->endpoint_interface == endpoint_interface) {
np = switch_core_alloc(pool, sizeof(*np));
np->str = switch_core_strdup(pool, session->uuid_str);
np->next = head;
head = np;
}
switch_core_session_rwunlock(session);
}
}
}
switch_mutex_unlock(runtime.session_hash_mutex);
for(np = head; np; np = np->next) {
if ((session = switch_core_session_locate(np->str))) {
switch_channel_hangup(session->channel, cause);
switch_core_session_rwunlock(session);
}
}
switch_core_destroy_memory_pool(&pool);
}
SWITCH_DECLARE(void) switch_core_session_hupall(switch_call_cause_t cause)
{
switch_hash_index_t *hi;
void *val;
switch_core_session_t *session;
switch_memory_pool_t *pool;
struct str_node *head = NULL, *np;
switch_core_new_memory_pool(&pool);
switch_mutex_lock(runtime.session_hash_mutex);
for (hi = switch_core_hash_first(session_manager.session_table); hi; hi = switch_core_hash_next(&hi)) {
switch_core_hash_this(hi, NULL, NULL, &val);
if (val) {
session = (switch_core_session_t *) val;
if (switch_core_session_read_lock(session) == SWITCH_STATUS_SUCCESS) {
np = switch_core_alloc(pool, sizeof(*np));
np->str = switch_core_strdup(pool, session->uuid_str);
np->next = head;
head = np;
switch_core_session_rwunlock(session);
}
}
}
switch_mutex_unlock(runtime.session_hash_mutex);
for(np = head; np; np = np->next) {
if ((session = switch_core_session_locate(np->str))) {
switch_channel_hangup(session->channel, cause);
switch_core_session_rwunlock(session);
}
}
switch_core_destroy_memory_pool(&pool);
}
SWITCH_DECLARE(switch_console_callback_match_t *) switch_core_session_findall(void)
{
switch_hash_index_t *hi;
void *val;
switch_core_session_t *session;
switch_console_callback_match_t *my_matches = NULL;
switch_mutex_lock(runtime.session_hash_mutex);
for (hi = switch_core_hash_first(session_manager.session_table); hi; hi = switch_core_hash_next(&hi)) {
switch_core_hash_this(hi, NULL, NULL, &val);
if (val) {
session = (switch_core_session_t *) val;
if (switch_core_session_read_lock(session) == SWITCH_STATUS_SUCCESS) {
switch_console_push_match(&my_matches, session->uuid_str);
switch_core_session_rwunlock(session);
}
}
}
switch_mutex_unlock(runtime.session_hash_mutex);
return my_matches;
}
SWITCH_DECLARE(switch_status_t) switch_core_session_message_send(const char *uuid_str, switch_core_session_message_t *message)
{
switch_core_session_t *session = NULL;
switch_status_t status = SWITCH_STATUS_FALSE;
switch_mutex_lock(runtime.session_hash_mutex);
if ((session = switch_core_hash_find(session_manager.session_table, uuid_str)) != 0) {
/* Acquire a read lock on the session or forget it the channel is dead */
if (switch_core_session_read_lock(session) == SWITCH_STATUS_SUCCESS) {
if (switch_channel_up_nosig(session->channel)) {
status = switch_core_session_receive_message(session, message);
}
switch_core_session_rwunlock(session);
}
}
switch_mutex_unlock(runtime.session_hash_mutex);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_core_session_event_send(const char *uuid_str, switch_event_t **event)
{
switch_core_session_t *session = NULL;
switch_status_t status = SWITCH_STATUS_FALSE;
switch_mutex_lock(runtime.session_hash_mutex);
if ((session = switch_core_hash_find(session_manager.session_table, uuid_str)) != 0) {
/* Acquire a read lock on the session or forget it the channel is dead */
if (switch_core_session_read_lock(session) == SWITCH_STATUS_SUCCESS) {
if (switch_channel_up_nosig(session->channel)) {
status = switch_core_session_queue_event(session, event);
}
switch_core_session_rwunlock(session);
}
}
switch_mutex_unlock(runtime.session_hash_mutex);
return status;
}
SWITCH_DECLARE(void *) switch_core_session_get_private_class(switch_core_session_t *session, switch_pvt_class_t index)
{
if ((int)index >= SWITCH_CORE_SESSION_MAX_PRIVATES) {
return NULL;
}
switch_assert(session != NULL);
return session->private_info[index];
}
SWITCH_DECLARE(switch_status_t) switch_core_session_set_private_class(switch_core_session_t *session, void *private_info, switch_pvt_class_t index)
{
switch_assert(session != NULL);
if ((int)index >= SWITCH_CORE_SESSION_MAX_PRIVATES) {
return SWITCH_STATUS_FALSE;
}
session->private_info[index] = private_info;
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(int) switch_core_session_add_stream(switch_core_session_t *session, void *private_info)
{
session->streams[session->stream_count++] = private_info;
return session->stream_count - 1;
}
SWITCH_DECLARE(void *) switch_core_session_get_stream(switch_core_session_t *session, int index)
{
return session->streams[index];
}
SWITCH_DECLARE(int) switch_core_session_get_stream_count(switch_core_session_t *session)
{
return session->stream_count;
}
SWITCH_DECLARE(switch_call_cause_t) switch_core_session_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event,
const char *endpoint_name,
switch_caller_profile_t *caller_profile,
switch_core_session_t **new_session,
switch_memory_pool_t **pool,
switch_originate_flag_t flags, switch_call_cause_t *cancel_cause)
{
switch_io_event_hook_outgoing_channel_t *ptr;
switch_status_t status = SWITCH_STATUS_FALSE;
switch_endpoint_interface_t *endpoint_interface;
switch_channel_t *channel = NULL;
switch_caller_profile_t *outgoing_profile = caller_profile;
switch_call_cause_t cause = SWITCH_CAUSE_REQUESTED_CHAN_UNAVAIL;
const char *forwardvar;
int forwardval = 70;
if ((endpoint_interface = switch_loadable_module_get_endpoint_interface(endpoint_name)) == 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Could not locate channel type %s\n", endpoint_name);
return SWITCH_CAUSE_CHAN_NOT_IMPLEMENTED;
}
if (!endpoint_interface->io_routines->outgoing_channel) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Could not locate outgoing channel interface for %s\n", endpoint_name);
return SWITCH_CAUSE_CHAN_NOT_IMPLEMENTED;
}
if (session) {
channel = switch_core_session_get_channel(session);
switch_assert(channel != NULL);
forwardvar = switch_channel_get_variable(channel, SWITCH_MAX_FORWARDS_VARIABLE);
if (!zstr(forwardvar)) {
forwardval = atoi(forwardvar) - 1;
}
if (forwardval <= 0) {
return SWITCH_CAUSE_EXCHANGE_ROUTING_ERROR;
}
if (caller_profile) {
const char *eani = NULL, *eaniii = NULL;
const char *ecaller_id_name = NULL, *ecaller_id_number = NULL;
if (!(flags & SOF_NO_EFFECTIVE_ANI)) {
eani = switch_channel_get_variable(channel, "effective_ani");
}
if (!(flags & SOF_NO_EFFECTIVE_ANIII)) {
eaniii = switch_channel_get_variable(channel, "effective_aniii");
}
if (!(flags & SOF_NO_EFFECTIVE_CID_NAME)) {
ecaller_id_name = switch_channel_get_variable(channel, "effective_caller_id_name");
}
if (!(flags & SOF_NO_EFFECTIVE_CID_NUM)) {
ecaller_id_number = switch_channel_get_variable(channel, "effective_caller_id_number");
}
if (eani || eaniii || ecaller_id_name || ecaller_id_number) {
outgoing_profile = switch_caller_profile_clone(session, caller_profile);
if (eani) {
outgoing_profile->ani = eani;
}
if (eaniii) {
outgoing_profile->aniii = eaniii;
}
if (ecaller_id_name) {
outgoing_profile->caller_id_name = ecaller_id_name;
}
if (ecaller_id_number) {
outgoing_profile->caller_id_number = ecaller_id_number;
}
}
}
if (!outgoing_profile) {
outgoing_profile = switch_channel_get_caller_profile(channel);
}
}
if ((cause =
endpoint_interface->io_routines->outgoing_channel(session, var_event, outgoing_profile, new_session, pool, flags,
cancel_cause)) != SWITCH_CAUSE_SUCCESS) {
UNPROTECT_INTERFACE(endpoint_interface);
return cause;
}
if (session) {
for (ptr = session->event_hooks.outgoing_channel; ptr; ptr = ptr->next) {
if ((status = ptr->outgoing_channel(session, var_event, caller_profile, *new_session, flags)) != SWITCH_STATUS_SUCCESS) {
break;
}
}
}
if (!*new_session) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT,
"Outgoing method for endpoint: [%s] returned: [%s] but there is no new session!\n", endpoint_name,
switch_channel_cause2str(cause));
UNPROTECT_INTERFACE(endpoint_interface);
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
} else {
switch_caller_profile_t *profile = NULL, *cloned_profile = NULL;
switch_event_t *event;
switch_channel_t *peer_channel = switch_core_session_get_channel(*new_session);
const char *use_uuid;
switch_core_session_t *other_session = NULL;
switch_assert(peer_channel);
if (channel && switch_true(switch_channel_get_variable(channel, "session_copy_loglevel"))) {
(*new_session)->loglevel = session->loglevel;
}
if ((use_uuid = switch_event_get_header(var_event, "origination_uuid"))) {
use_uuid = switch_core_session_strdup(*new_session, use_uuid);
if (switch_core_session_set_uuid(*new_session, use_uuid) == SWITCH_STATUS_SUCCESS) {
switch_event_del_header(var_event, "origination_uuid");
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(*new_session), SWITCH_LOG_DEBUG, "%s set UUID=%s\n", switch_channel_get_name(peer_channel),
use_uuid);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(*new_session), SWITCH_LOG_CRIT, "%s set UUID=%s FAILED\n",
switch_channel_get_name(peer_channel), use_uuid);
}
}
if (!channel && var_event) {
const char *other_uuid;
if ((other_uuid = switch_event_get_header(var_event, "origination_aleg_uuid")) && (other_session = switch_core_session_locate(other_uuid))) {
channel = switch_core_session_get_channel(other_session);
session = other_session;
}
}
if (channel) {
const char *val;
switch_codec_t *vid_read_codec = NULL, *read_codec = switch_core_session_get_read_codec(session);
const char *ep = NULL, *max_forwards = switch_core_session_sprintf(session, "%d", forwardval);
switch_channel_set_variable(peer_channel, SWITCH_MAX_FORWARDS_VARIABLE, max_forwards);
profile = switch_channel_get_caller_profile(channel);
vid_read_codec = switch_core_session_get_video_read_codec(session);
ep = switch_channel_get_variable(channel, "ep_codec_string");
if (read_codec && read_codec->implementation && switch_core_codec_ready(read_codec)) {
char rc[80] = "", vrc[80] = "", tmp[160] = "";
switch_codec2str(read_codec, rc, sizeof(rc));
if (vid_read_codec && vid_read_codec->implementation && switch_core_codec_ready(vid_read_codec)) {
vrc[0] = ',';
switch_codec2str(vid_read_codec, vrc + 1, sizeof(vrc) - 1);
switch_channel_set_variable(peer_channel, SWITCH_ORIGINATOR_VIDEO_CODEC_VARIABLE, vrc + 1);
}
switch_snprintf(tmp, sizeof(tmp), "%s%s", rc, vrc);
switch_channel_set_variable(peer_channel, SWITCH_ORIGINATOR_CODEC_VARIABLE, tmp);
} else if (ep) {
switch_channel_set_variable(peer_channel, SWITCH_ORIGINATOR_CODEC_VARIABLE, ep);
}
if (switch_channel_test_flag(channel, CF_MSRPS) || switch_channel_test_flag(channel, CF_WANT_MSRPS)) {
switch_channel_set_flag(peer_channel, CF_WANT_MSRPS);
} else if (switch_channel_test_flag(channel, CF_MSRP) || switch_channel_test_flag(channel, CF_WANT_MSRP)) {
switch_channel_set_flag(peer_channel, CF_WANT_MSRP);
}
if (switch_channel_test_flag(channel, CF_RTT) || switch_channel_test_flag(channel, CF_WANT_RTT)) {
switch_channel_set_flag(peer_channel, CF_WANT_RTT);
}
switch_channel_set_variable(peer_channel, SWITCH_ORIGINATOR_VARIABLE, switch_core_session_get_uuid(session));
switch_channel_set_variable(peer_channel, SWITCH_SIGNAL_BOND_VARIABLE, switch_core_session_get_uuid(session));
// Needed by 3PCC proxy so that aleg can find bleg to pass SDP to, when final ACK arrives.
switch_channel_set_variable(channel, SWITCH_ORIGINATE_SIGNAL_BOND_VARIABLE, switch_core_session_get_uuid(*new_session));
if ((val = switch_channel_get_variable(channel, SWITCH_PROCESS_CDR_VARIABLE))) {
switch_channel_set_variable(peer_channel, SWITCH_PROCESS_CDR_VARIABLE, val);
}
if ((val = switch_channel_get_variable(channel, SWITCH_R_SDP_VARIABLE))) {
switch_channel_pass_sdp(channel, peer_channel, val);
}
if (switch_channel_test_flag(channel, CF_PROXY_MODE)) {
if (switch_channel_test_cap(peer_channel, CC_BYPASS_MEDIA)) {
switch_channel_set_flag(peer_channel, CF_PROXY_MODE);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING,
"%s does not support the proxy feature, disabling.\n", switch_channel_get_name(peer_channel));
switch_channel_clear_flag(channel, CF_PROXY_MODE);
}
}
if (switch_channel_test_flag(channel, CF_PROXY_MEDIA)) {
if (switch_channel_test_cap(peer_channel, CC_PROXY_MEDIA)) {
switch_channel_set_flag(peer_channel, CF_PROXY_MEDIA);
if (switch_channel_test_flag(channel, CF_VIDEO)) {
switch_channel_set_flag(peer_channel, CF_VIDEO);
}
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING,
"%s does not support the proxy feature, disabling.\n", switch_channel_get_name(peer_channel));
switch_channel_clear_flag(channel, CF_PROXY_MEDIA);
}
}
if (switch_channel_test_flag(channel, CF_ZRTP_PASSTHRU_REQ)) {
switch_channel_set_flag(peer_channel, CF_ZRTP_PASSTHRU_REQ);
}
if (profile) {
if ((cloned_profile = switch_caller_profile_clone(*new_session, profile)) != 0) {
switch_channel_set_originator_caller_profile(peer_channel, cloned_profile);
}
}
if ((profile = switch_channel_get_caller_profile(peer_channel))) {
if ((cloned_profile = switch_caller_profile_clone(session, profile)) != 0) {
switch_channel_set_origination_caller_profile(channel, cloned_profile);
}
}
}
if (other_session) {
switch_core_session_rwunlock(other_session);
channel = NULL;
session = NULL;
}
if (switch_event_create(&event, SWITCH_EVENT_CHANNEL_OUTGOING) == SWITCH_STATUS_SUCCESS) {
switch_channel_event_set_data(peer_channel, event);
switch_event_fire(&event);
}
}
UNPROTECT_INTERFACE(endpoint_interface);
return cause;
}
static const char *message_names[] = {
"REDIRECT_AUDIO",
"TRANSMIT_TEXT",
"ANSWER",
"ACKNOWLEDGE_CALL",
"PROGRESS",
"BRIDGE",
"UNBRIDGE",
"TRANSFER",
"RINGING",
"ALERTING",
"MEDIA",
"3P_MEDIA",
"NOMEDIA",
"3P_NOMEDIA",
"HOLD",
"UNHOLD",
"REDIRECT",
"RESPOND",
"BROADCAST",
"MEDIA_REDIRECT",
"DEFLECT",
"VIDEO_REFRESH_REQ",
"DISPLAY",
"TRANSCODING_NECESSARY",
"AUDIO_SYNC",
"VIDEO_SYNC",
"REQUEST_IMAGE_MEDIA",
"UUID_CHANGE",
"SIMPLIFY",
"DEBUG_MEDIA",
"PROXY_MEDIA",
"APPLICATION_EXEC",
"APPLICATION_EXEC_COMPLETE",
"PHONE_EVENT",
"T38_DESCRIPTION",
"UDPTL_MODE",
"CLEAR_PROGRESS",
"JITTER_BUFFER",
"RECOVERY_REFRESH",
"SIGNAL_DATA",
"MESSAGE",
"INFO",
"AUDIO_DATA",
"BLIND_TRANSFER_RESPONSE",
"STUN_ERROR",
"MEDIA_RENEG",
"KEEPALIVE",
"HARD_MUTE",
"BITRATE_REQ",
"BITRATE_ACK",
"CODEC_DEBUG_REQ",
"CODEC_SPECIFIC_REQ",
"REFER_EVENT",
"ANSWER_EVENT",
"PROGRESS_EVENT",
"RING_EVENT",
"RESAMPLE_EVENT",
"HEARTBEAT_EVENT",
"INVALID"
};
SWITCH_DECLARE(switch_status_t) switch_core_session_perform_receive_message(switch_core_session_t *session,
switch_core_session_message_t *message,
const char *file, const char *func, int line)
{
switch_io_event_hook_receive_message_t *ptr;
switch_status_t status = SWITCH_STATUS_SUCCESS;
switch_assert(session != NULL);
if (message->message_id == SWITCH_MESSAGE_INDICATE_SIGNAL_DATA) {
if (session->endpoint_interface->io_routines->receive_message) {
status = session->endpoint_interface->io_routines->receive_message(session, message);
}
switch_core_session_free_message(&message);
return status;
}
if ((status = switch_core_session_read_lock_hangup(session)) != SWITCH_STATUS_SUCCESS) {
return status;
}
if (!message->_file) {
message->_file = file;
}
if (!message->_func) {
message->_func = func;
}
if (!message->_line) {
message->_line = line;
}
if (message->message_id > SWITCH_MESSAGE_INVALID-1) {
message->message_id = SWITCH_MESSAGE_INVALID-1;
}
switch_log_printf(SWITCH_CHANNEL_ID_LOG, message->_file, message->_func, message->_line,
switch_core_session_get_uuid(session), SWITCH_LOG_DEBUG1, "%s receive message [%s]\n",
switch_channel_get_name(session->channel), message_names[message->message_id]);
if (message->message_id == SWITCH_MESSAGE_INDICATE_CLEAR_PROGRESS) {
switch_channel_clear_flag(session->channel, CF_EARLY_MEDIA);
}
if (message->message_id == SWITCH_MESSAGE_INDICATE_MEDIA) {
switch_channel_set_flag(session->channel, CF_PROXY_OFF);
}
if (message->message_id == SWITCH_MESSAGE_INDICATE_DISPLAY) {
char *arg = NULL;
if (zstr(message->string_array_arg[0]) && !zstr(message->string_arg)) {
arg = switch_core_session_strdup(session, message->string_arg);
switch_separate_string(arg, '|', (char **)message->string_array_arg, 2);
}
if (!zstr(message->string_array_arg[0])) {
switch_channel_set_variable(session->channel, "last_sent_callee_id_name", message->string_array_arg[0]);
}
if (!zstr(message->string_array_arg[1])) {
switch_channel_set_variable(session->channel, "last_sent_callee_id_number", message->string_array_arg[1]);
}
if (switch_true(switch_channel_get_variable(session->channel, SWITCH_IGNORE_DISPLAY_UPDATES_VARIABLE))) {
switch_log_printf(SWITCH_CHANNEL_ID_LOG, message->_file, message->_func, message->_line,
switch_core_session_get_uuid(session), SWITCH_LOG_DEBUG1, "Ignoring display update.\n");
status = SWITCH_STATUS_SUCCESS;
goto end;
}
}
if (switch_channel_down_nosig(session->channel)) {
switch_log_printf(SWITCH_CHANNEL_ID_LOG, message->_file, message->_func, message->_line,
switch_core_session_get_uuid(session), SWITCH_LOG_DEBUG, "%s skip receive message [%s] (channel is hungup already)\n",
switch_channel_get_name(session->channel), message_names[message->message_id]);
} else {
if (session->media_handle) {
status = switch_core_media_receive_message(session, message);
}
if (status == SWITCH_STATUS_SUCCESS) {
if (session->endpoint_interface->io_routines->receive_message) {
status = session->endpoint_interface->io_routines->receive_message(session, message);
}
}
}
if (status == SWITCH_STATUS_SUCCESS) {
for (ptr = session->event_hooks.receive_message; ptr; ptr = ptr->next) {
if ((status = ptr->receive_message(session, message)) != SWITCH_STATUS_SUCCESS) {
break;
}
}
if (message->message_id == SWITCH_MESSAGE_INDICATE_BRIDGE &&
switch_channel_test_flag(session->channel, CF_CONFIRM_BLIND_TRANSFER)) {
switch_core_session_t *other_session;
const char *uuid = switch_channel_get_variable(session->channel, "blind_transfer_uuid");
switch_channel_clear_flag(session->channel, CF_CONFIRM_BLIND_TRANSFER);
if (!zstr(uuid) && (other_session = switch_core_session_locate(uuid))) {
switch_core_session_message_t msg = { 0 };
msg.message_id = SWITCH_MESSAGE_INDICATE_BLIND_TRANSFER_RESPONSE;
msg.from = __FILE__;
msg.numeric_arg = 1;
switch_core_session_receive_message(other_session, &msg);
switch_core_session_rwunlock(other_session);
}
}
}
message->_file = NULL;
message->_func = NULL;
message->_line = 0;
if (switch_channel_up_nosig(session->channel)) {
if (message->message_id == SWITCH_MESSAGE_INDICATE_BRIDGE || message->message_id == SWITCH_MESSAGE_INDICATE_UNBRIDGE) {
switch_core_media_bug_flush_all(session);
switch_core_recovery_track(session);
}
switch (message->message_id) {
case SWITCH_MESSAGE_REDIRECT_AUDIO:
case SWITCH_MESSAGE_INDICATE_ANSWER:
case SWITCH_MESSAGE_INDICATE_PROGRESS:
case SWITCH_MESSAGE_INDICATE_BRIDGE:
case SWITCH_MESSAGE_INDICATE_UNBRIDGE:
case SWITCH_MESSAGE_INDICATE_TRANSFER:
case SWITCH_MESSAGE_INDICATE_RINGING:
case SWITCH_MESSAGE_INDICATE_MEDIA:
case SWITCH_MESSAGE_INDICATE_NOMEDIA:
case SWITCH_MESSAGE_INDICATE_HOLD:
case SWITCH_MESSAGE_INDICATE_UNHOLD:
case SWITCH_MESSAGE_INDICATE_REDIRECT:
case SWITCH_MESSAGE_INDICATE_RESPOND:
case SWITCH_MESSAGE_INDICATE_BROADCAST:
case SWITCH_MESSAGE_INDICATE_MEDIA_REDIRECT:
case SWITCH_MESSAGE_INDICATE_DEFLECT:
switch_channel_set_flag(session->channel, CF_VIDEO_BREAK);
switch_core_session_kill_channel(session, SWITCH_SIG_BREAK);
break;
default:
break;
}
}
end:
if (message->message_id == SWITCH_MESSAGE_INDICATE_MEDIA) {
switch_channel_clear_flag(session->channel, CF_PROXY_OFF);
}
switch_core_session_free_message(&message);
switch_core_session_rwunlock(session);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_core_session_pass_indication(switch_core_session_t *session, switch_core_session_message_types_t indication)