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freeswitch/src/switch_ivr_async.c

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/*
* 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>
* Michael Jerris <mike@jerris.com>
*
* switch_ivr_async.c -- IVR Library (async operations)
*
*/
#include <switch.h>
static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type)
{
switch_file_handle_t *fh = (switch_file_handle_t *) user_data;
uint8_t data[SWITCH_RECOMMENDED_BUFFER_SIZE];
switch_frame_t frame = { 0 };
frame.data = data;
frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
switch (type) {
case SWITCH_ABC_TYPE_INIT:
break;
case SWITCH_ABC_TYPE_CLOSE:
if (fh) {
switch_core_file_close(fh);
}
break;
case SWITCH_ABC_TYPE_READ:
if (fh) {
switch_size_t len;
if (switch_core_media_bug_read(bug, &frame) == SWITCH_STATUS_SUCCESS) {
len = (switch_size_t) frame.datalen / 2;
switch_core_file_write(fh, frame.data, &len);
}
}
break;
case SWITCH_ABC_TYPE_WRITE:
default:
break;
}
return SWITCH_TRUE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_stop_record_session(switch_core_session_t *session, char *file)
{
switch_media_bug_t *bug;
switch_channel_t *channel = switch_core_session_get_channel(session);
assert(channel != NULL);
if ((bug = switch_channel_get_private(channel, file))) {
switch_channel_set_private(channel, file, NULL);
switch_core_media_bug_remove(session, &bug);
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_record_session(switch_core_session_t *session, char *file,
switch_file_handle_t *fh)
{
switch_channel_t *channel;
switch_codec_t *read_codec;
char *p;
const char *vval;
switch_media_bug_t *bug;
switch_status_t status;
if (!fh) {
if (!(fh = switch_core_session_alloc(session, sizeof(*fh)))) {
return SWITCH_STATUS_MEMERR;
}
}
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
read_codec = switch_core_session_get_read_codec(session);
assert(read_codec != NULL);
fh->channels = read_codec->implementation->number_of_channels;
fh->samplerate = read_codec->implementation->samples_per_second;
if (switch_core_file_open(fh,
file,
read_codec->implementation->number_of_channels,
read_codec->implementation->samples_per_second,
SWITCH_FILE_FLAG_WRITE | SWITCH_FILE_DATA_SHORT,
switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
switch_core_session_reset(session);
return SWITCH_STATUS_GENERR;
}
switch_channel_answer(channel);
if ((p = switch_channel_get_variable(channel, "RECORD_TITLE"))) {
vval = (const char *) switch_core_session_strdup(session, p);
switch_core_file_set_string(fh, SWITCH_AUDIO_COL_STR_TITLE, vval);
switch_channel_set_variable(channel, "RECORD_TITLE", NULL);
}
if ((p = switch_channel_get_variable(channel, "RECORD_COPYRIGHT"))) {
vval = (const char *) switch_core_session_strdup(session, p);
switch_core_file_set_string(fh, SWITCH_AUDIO_COL_STR_COPYRIGHT, vval);
switch_channel_set_variable(channel, "RECORD_COPYRIGHT", NULL);
}
if ((p = switch_channel_get_variable(channel, "RECORD_SOFTWARE"))) {
vval = (const char *) switch_core_session_strdup(session, p);
switch_core_file_set_string(fh, SWITCH_AUDIO_COL_STR_SOFTWARE, vval);
switch_channel_set_variable(channel, "RECORD_SOFTWARE", NULL);
}
if ((p = switch_channel_get_variable(channel, "RECORD_ARTIST"))) {
vval = (const char *) switch_core_session_strdup(session, p);
switch_core_file_set_string(fh, SWITCH_AUDIO_COL_STR_ARTIST, vval);
switch_channel_set_variable(channel, "RECORD_ARTIST", NULL);
}
if ((p = switch_channel_get_variable(channel, "RECORD_COMMENT"))) {
vval = (const char *) switch_core_session_strdup(session, p);
switch_core_file_set_string(fh, SWITCH_AUDIO_COL_STR_COMMENT, vval);
switch_channel_set_variable(channel, "RECORD_COMMENT", NULL);
}
if ((p = switch_channel_get_variable(channel, "RECORD_DATE"))) {
vval = (const char *) switch_core_session_strdup(session, p);
switch_core_file_set_string(fh, SWITCH_AUDIO_COL_STR_DATE, vval);
switch_channel_set_variable(channel, "RECORD_DATE", NULL);
}
if ((status = switch_core_media_bug_add(session, record_callback, fh, SMBF_BOTH, &bug)) != SWITCH_STATUS_SUCCESS) {
switch_core_file_close(fh);
return status;
}
switch_channel_set_private(channel, file, bug);
return SWITCH_STATUS_SUCCESS;
}
typedef struct {
switch_core_session_t *session;
teletone_dtmf_detect_state_t dtmf_detect;
} switch_inband_dtmf_t;
static switch_bool_t inband_dtmf_callback(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type)
{
switch_inband_dtmf_t *pvt = (switch_inband_dtmf_t *) user_data;
uint8_t data[SWITCH_RECOMMENDED_BUFFER_SIZE];
switch_frame_t frame = { 0 };
char digit_str[80];
switch_channel_t *channel = switch_core_session_get_channel(pvt->session);
assert(channel != NULL);
frame.data = data;
frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
switch (type) {
case SWITCH_ABC_TYPE_INIT:
break;
case SWITCH_ABC_TYPE_CLOSE:
break;
case SWITCH_ABC_TYPE_READ:
if (switch_core_media_bug_read(bug, &frame) == SWITCH_STATUS_SUCCESS) {
teletone_dtmf_detect(&pvt->dtmf_detect, frame.data, frame.samples);
teletone_dtmf_get(&pvt->dtmf_detect, digit_str, sizeof(digit_str));
if (digit_str[0]) {
switch_channel_queue_dtmf(channel, digit_str);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "DTMF DETECTED: [%s]\n", digit_str);
}
}
break;
case SWITCH_ABC_TYPE_WRITE:
default:
break;
}
return SWITCH_TRUE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_stop_inband_dtmf_session(switch_core_session_t *session)
{
switch_media_bug_t *bug;
switch_channel_t *channel = switch_core_session_get_channel(session);
assert(channel != NULL);
if ((bug = switch_channel_get_private(channel, "dtmf"))) {
switch_channel_set_private(channel, "dtmf", NULL);
switch_core_media_bug_remove(session, &bug);
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_inband_dtmf_session(switch_core_session_t *session)
{
switch_channel_t *channel;
switch_codec_t *read_codec;
switch_media_bug_t *bug;
switch_status_t status;
switch_inband_dtmf_t *pvt;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
read_codec = switch_core_session_get_read_codec(session);
assert(read_codec != NULL);
if (!(pvt = switch_core_session_alloc(session, sizeof(*pvt)))) {
return SWITCH_STATUS_MEMERR;
}
teletone_dtmf_detect_init(&pvt->dtmf_detect, read_codec->implementation->samples_per_second);
pvt->session = session;
switch_channel_answer(channel);
if ((status = switch_core_media_bug_add(session,
inband_dtmf_callback,
pvt, SMBF_READ_STREAM, &bug)) != SWITCH_STATUS_SUCCESS) {
return status;
}
switch_channel_set_private(channel, "dtmf", bug);
return SWITCH_STATUS_SUCCESS;
}
struct speech_thread_handle {
switch_core_session_t *session;
switch_asr_handle_t *ah;
switch_media_bug_t *bug;
switch_mutex_t *mutex;
switch_thread_cond_t *cond;
switch_memory_pool_t *pool;
};
static void *SWITCH_THREAD_FUNC speech_thread(switch_thread_t *thread, void *obj)
{
struct speech_thread_handle *sth = (struct speech_thread_handle *) obj;
switch_channel_t *channel = switch_core_session_get_channel(sth->session);
switch_asr_flag_t flags = SWITCH_ASR_FLAG_NONE;
switch_status_t status;
switch_thread_cond_create(&sth->cond, sth->pool);
switch_mutex_init(&sth->mutex, SWITCH_MUTEX_NESTED, sth->pool);
switch_core_session_read_lock(sth->session);
switch_mutex_lock(sth->mutex);
while (switch_channel_ready(channel) && !switch_test_flag(sth->ah, SWITCH_ASR_FLAG_CLOSED)) {
char *xmlstr = NULL;
switch_thread_cond_wait(sth->cond, sth->mutex);
if (switch_core_asr_check_results(sth->ah, &flags) == SWITCH_STATUS_SUCCESS) {
switch_event_t *event;
status = switch_core_asr_get_results(sth->ah, &xmlstr, &flags);
if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
goto done;
}
if (switch_event_create(&event, SWITCH_EVENT_DETECTED_SPEECH) == SWITCH_STATUS_SUCCESS) {
if (status == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Speech-Type", "detected-speech");
switch_event_add_body(event, "%s", xmlstr);
} else {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Speech-Type", "begin-speaking");
}
if (switch_test_flag(sth->ah, SWITCH_ASR_FLAG_FIRE_EVENTS)) {
switch_event_t *dup;
if (switch_event_dup(&dup, event) == SWITCH_STATUS_SUCCESS) {
switch_event_fire(&dup);
}
}
if (switch_core_session_queue_event(sth->session, &event) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Event queue failed!\n");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "delivery-failure", "true");
switch_event_fire(&event);
}
}
switch_safe_free(xmlstr);
}
}
done:
switch_mutex_unlock(sth->mutex);
switch_core_session_rwunlock(sth->session);
return NULL;
}
static switch_bool_t speech_callback(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type)
{
struct speech_thread_handle *sth = (struct speech_thread_handle *) user_data;
uint8_t data[SWITCH_RECOMMENDED_BUFFER_SIZE];
switch_frame_t frame = { 0 };
switch_asr_flag_t flags = SWITCH_ASR_FLAG_NONE;
frame.data = data;
frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
switch (type) {
case SWITCH_ABC_TYPE_INIT:{
switch_thread_t *thread;
switch_threadattr_t *thd_attr = NULL;
switch_threadattr_create(&thd_attr, sth->pool);
switch_threadattr_detach_set(thd_attr, 1);
switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
switch_thread_create(&thread, thd_attr, speech_thread, sth, sth->pool);
}
break;
case SWITCH_ABC_TYPE_CLOSE:{
switch_core_asr_close(sth->ah, &flags);
switch_mutex_lock(sth->mutex);
switch_thread_cond_signal(sth->cond);
switch_mutex_unlock(sth->mutex);
}
break;
case SWITCH_ABC_TYPE_READ:
if (sth->ah) {
if (switch_core_media_bug_read(bug, &frame) == SWITCH_STATUS_SUCCESS) {
if (switch_core_asr_feed(sth->ah, frame.data, frame.datalen, &flags) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Error Feeding Data\n");
return SWITCH_FALSE;
}
if (switch_core_asr_check_results(sth->ah, &flags) == SWITCH_STATUS_SUCCESS) {
switch_mutex_lock(sth->mutex);
switch_thread_cond_signal(sth->cond);
switch_mutex_unlock(sth->mutex);
}
}
}
break;
case SWITCH_ABC_TYPE_WRITE:
default:
break;
}
return SWITCH_TRUE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_stop_detect_speech(switch_core_session_t *session)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
struct speech_thread_handle *sth;
assert(channel != NULL);
if ((sth = switch_channel_get_private(channel, SWITCH_SPEECH_KEY))) {
switch_channel_set_private(channel, SWITCH_SPEECH_KEY, NULL);
switch_core_media_bug_remove(session, &sth->bug);
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_pause_detect_speech(switch_core_session_t *session)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
struct speech_thread_handle *sth;
assert(channel != NULL);
if ((sth = switch_channel_get_private(channel, SWITCH_SPEECH_KEY))) {
switch_core_asr_pause(sth->ah);
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_resume_detect_speech(switch_core_session_t *session)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
struct speech_thread_handle *sth;
assert(channel != NULL);
if ((sth = switch_channel_get_private(channel, SWITCH_SPEECH_KEY))) {
switch_core_asr_resume(sth->ah);
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_detect_speech_load_grammar(switch_core_session_t *session, char *grammar,
char *path)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_asr_flag_t flags = SWITCH_ASR_FLAG_NONE;
struct speech_thread_handle *sth;
assert(channel != NULL);
if ((sth = switch_channel_get_private(channel, SWITCH_SPEECH_KEY))) {
if (switch_core_asr_load_grammar(sth->ah, grammar, path) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Error loading Grammar\n");
switch_core_asr_close(sth->ah, &flags);
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
return SWITCH_STATUS_FALSE;
}
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_detect_speech_unload_grammar(switch_core_session_t *session, char *grammar)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_asr_flag_t flags = SWITCH_ASR_FLAG_NONE;
struct speech_thread_handle *sth;
assert(channel != NULL);
if ((sth = switch_channel_get_private(channel, SWITCH_SPEECH_KEY))) {
if (switch_core_asr_unload_grammar(sth->ah, grammar) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Error unloading Grammar\n");
switch_core_asr_close(sth->ah, &flags);
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
return SWITCH_STATUS_FALSE;
}
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_detect_speech(switch_core_session_t *session,
char *mod_name,
char *grammar, char *path, char *dest, switch_asr_handle_t *ah)
{
switch_channel_t *channel;
switch_codec_t *read_codec;
switch_status_t status;
switch_asr_flag_t flags = SWITCH_ASR_FLAG_NONE;
struct speech_thread_handle *sth;
char *val;
if (!ah) {
if (!(ah = switch_core_session_alloc(session, sizeof(*ah)))) {
return SWITCH_STATUS_MEMERR;
}
}
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
read_codec = switch_core_session_get_read_codec(session);
assert(read_codec != NULL);
if ((val = switch_channel_get_variable(channel, "fire_asr_events"))) {
switch_set_flag(ah, SWITCH_ASR_FLAG_FIRE_EVENTS);
}
if ((sth = switch_channel_get_private(channel, SWITCH_SPEECH_KEY))) {
if (switch_core_asr_load_grammar(sth->ah, grammar, path) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Error loading Grammar\n");
switch_core_asr_close(sth->ah, &flags);
return SWITCH_STATUS_FALSE;
}
return SWITCH_STATUS_SUCCESS;
}
if (switch_core_asr_open(ah,
mod_name,
"L16",
read_codec->implementation->samples_per_second,
dest, &flags, switch_core_session_get_pool(session)) == SWITCH_STATUS_SUCCESS) {
if (switch_core_asr_load_grammar(ah, grammar, path) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Error loading Grammar\n");
switch_core_asr_close(ah, &flags);
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
return SWITCH_STATUS_FALSE;
}
} else {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
return SWITCH_STATUS_FALSE;
}
sth = switch_core_session_alloc(session, sizeof(*sth));
sth->pool = switch_core_session_get_pool(session);
sth->session = session;
sth->ah = ah;
if ((status = switch_core_media_bug_add(session,
speech_callback,
sth, SMBF_READ_STREAM, &sth->bug)) != SWITCH_STATUS_SUCCESS) {
switch_core_asr_close(ah, &flags);
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
return status;
}
switch_channel_set_private(channel, SWITCH_SPEECH_KEY, sth);
return SWITCH_STATUS_SUCCESS;
}
struct hangup_helper {
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
switch_bool_t bleg;
switch_call_cause_t cause;
};
static void sch_hangup_callback(switch_scheduler_task_t *task)
{
struct hangup_helper *helper;
switch_core_session_t *session, *other_session;
char *other_uuid;
assert(task);
helper = (struct hangup_helper *) task->cmd_arg;
if ((session = switch_core_session_locate(helper->uuid_str))) {
switch_channel_t *channel = switch_core_session_get_channel(session);
if (helper->bleg) {
if ((other_uuid = switch_channel_get_variable(channel, SWITCH_BRIDGE_VARIABLE)) &&
(other_session = switch_core_session_locate(other_uuid))) {
switch_channel_t *other_channel = switch_core_session_get_channel(other_session);
switch_channel_hangup(other_channel, helper->cause);
switch_core_session_rwunlock(other_session);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "No channel to hangup\n");
}
} else {
switch_channel_hangup(channel, helper->cause);
}
switch_core_session_rwunlock(session);
}
}
SWITCH_DECLARE(uint32_t) switch_ivr_schedule_hangup(time_t runtime, char *uuid, switch_call_cause_t cause,
switch_bool_t bleg)
{
struct hangup_helper *helper;
size_t len = sizeof(*helper);
switch_zmalloc(helper, len);
switch_copy_string(helper->uuid_str, uuid, sizeof(helper->uuid_str));
helper->cause = cause;
helper->bleg = bleg;
return switch_scheduler_add_task(runtime, sch_hangup_callback, (char *) __SWITCH_FUNC__, uuid, 0, helper,
SSHF_FREE_ARG);
}
struct transfer_helper {
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
char *extension;
char *dialplan;
char *context;
};
static void sch_transfer_callback(switch_scheduler_task_t *task)
{
struct transfer_helper *helper;
switch_core_session_t *session;
assert(task);
helper = (struct transfer_helper *) task->cmd_arg;
if ((session = switch_core_session_locate(helper->uuid_str))) {
switch_ivr_session_transfer(session, helper->extension, helper->dialplan, helper->context);
switch_core_session_rwunlock(session);
}
}
SWITCH_DECLARE(uint32_t) switch_ivr_schedule_transfer(time_t runtime, char *uuid, char *extension, char *dialplan,
char *context)
{
struct transfer_helper *helper;
size_t len = sizeof(*helper);
char *cur = NULL;
if (extension) {
len += strlen(extension) + 1;
}
if (dialplan) {
len += strlen(dialplan) + 1;
}
if (context) {
len += strlen(context) + 1;
}
switch_zmalloc(helper, len);
switch_copy_string(helper->uuid_str, uuid, sizeof(helper->uuid_str));
cur = (char *) helper + sizeof(*helper);
if (extension) {
helper->extension = cur;
switch_copy_string(helper->extension, extension, strlen(extension) + 1);
cur += strlen(helper->extension) + 1;
}
if (dialplan) {
helper->dialplan = cur;
switch_copy_string(helper->dialplan, dialplan, strlen(dialplan) + 1);
cur += strlen(helper->dialplan) + 1;
}
if (context) {
helper->context = cur;
switch_copy_string(helper->context, context, strlen(context) + 1);
}
return switch_scheduler_add_task(runtime, sch_transfer_callback, (char *) __SWITCH_FUNC__, uuid, 0, helper,
SSHF_FREE_ARG);
}
struct broadcast_helper {
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
char *path;
switch_media_flag_t flags;
};
static void sch_broadcast_callback(switch_scheduler_task_t *task)
{
struct broadcast_helper *helper;
assert(task);
helper = (struct broadcast_helper *) task->cmd_arg;
switch_ivr_broadcast(helper->uuid_str, helper->path, helper->flags);
}
SWITCH_DECLARE(uint32_t) switch_ivr_schedule_broadcast(time_t runtime, char *uuid, char *path,
switch_media_flag_t flags)
{
struct broadcast_helper *helper;
size_t len = sizeof(*helper) + strlen(path) + 1;
switch_zmalloc(helper, len);
switch_copy_string(helper->uuid_str, uuid, sizeof(helper->uuid_str));
helper->flags = flags;
helper->path = (char *) helper + sizeof(*helper);
switch_copy_string(helper->path, path, len - sizeof(helper));
return switch_scheduler_add_task(runtime, sch_broadcast_callback, (char *) __SWITCH_FUNC__, uuid, 0, helper,
SSHF_FREE_ARG);
}
SWITCH_DECLARE(switch_status_t) switch_ivr_broadcast(char *uuid, char *path, switch_media_flag_t flags)
{
switch_channel_t *channel;
int nomedia;
switch_core_session_t *session, *master;
switch_event_t *event;
switch_core_session_t *other_session = NULL;
char *other_uuid = NULL;
char *app = "playback";
assert(path);
if ((session = switch_core_session_locate(uuid))) {
char *cause = NULL;
char *mypath = strdup(path);
char *p;
master = session;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
if ((nomedia = switch_channel_test_flag(channel, CF_NOMEDIA))) {
switch_ivr_media(uuid, SMF_REBRIDGE);
}
if ((p = strchr(mypath, ':'))) {
app = mypath;
*p++ = '\0';
path = p;
}
if ((cause = strchr(app, '!'))) {
*cause++ = '\0';
if (!cause) {
cause = "normal_clearing";
}
}
if ((flags & SMF_ECHO_BLEG) && (other_uuid = switch_channel_get_variable(channel, SWITCH_BRIDGE_VARIABLE))
&& (other_session = switch_core_session_locate(other_uuid))) {
if (switch_event_create(&event, SWITCH_EVENT_MESSAGE) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "call-command", "execute");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "execute-app-name", "%s", app);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "execute-app-arg", "%s", path);
switch_core_session_queue_private_event(other_session, &event);
}
switch_core_session_rwunlock(other_session);
master = other_session;
other_session = NULL;
}
if ((flags & SMF_ECHO_ALEG)) {
if (switch_event_create(&event, SWITCH_EVENT_MESSAGE) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "call-command", "execute");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "execute-app-name", "%s", app);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "execute-app-arg", "%s", path);
switch_core_session_queue_private_event(session, &event);
}
master = session;
}
if (nomedia) {
if (switch_event_create(&event, SWITCH_EVENT_MESSAGE) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "call-command", "nomedia");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "nomedia-uuid", "%s", uuid);
switch_core_session_queue_private_event(master, &event);
}
}
if (cause) {
if (switch_event_create(&event, SWITCH_EVENT_MESSAGE) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "call-command", "execute");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "execute-app-name", "hangup");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "execute-app-arg", "%s", cause);
switch_core_session_queue_private_event(session, &event);
}
}
switch_core_session_rwunlock(session);
switch_safe_free(mypath);
}
return SWITCH_STATUS_SUCCESS;
}
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