freeswitch/src/mod/applications/mod_bridgecall/mod_bridgecall.c

126 lines
4.2 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>
*
*
* mod_bridgecall.c -- Channel Bridge Application Module
*
*/
#include <switch.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
static const char modname[] = "mod_bridgecall";
static void audio_bridge_function(switch_core_session_t *session, char *data)
{
switch_channel_t *caller_channel;
switch_core_session_t *peer_session;
unsigned int timelimit = 60;
char *var;
uint8_t no_media_bridge = 0;
switch_call_cause_t cause = SWITCH_CAUSE_NORMAL_CLEARING;
if (switch_strlen_zero(data)) {
return;
}
caller_channel = switch_core_session_get_channel(session);
assert(caller_channel != NULL);
if ((var = switch_channel_get_variable(caller_channel, "call_timeout"))) {
timelimit = atoi(var);
}
if ((var = switch_channel_get_variable(caller_channel, "no_media")) && switch_true(var)) {
if (!switch_channel_test_flag(caller_channel, CF_ANSWERED) && !switch_channel_test_flag(caller_channel, CF_EARLY_MEDIA)) {
switch_channel_set_flag(caller_channel, CF_NOMEDIA);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Channel is already up, delaying point-to-point mode 'till both legs are up.\n");
no_media_bridge = 1;
}
}
if (switch_ivr_originate(session, &peer_session, &cause, data, timelimit, NULL, NULL, NULL, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot Create Outgoing Channel!\n");
/* Hangup the channel with the cause code from the failed originate.*/
switch_channel_hangup(caller_channel, cause);
return;
} else {
if (no_media_bridge) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Redirecting media to point-to-point mode.\n");
switch_ivr_nomedia(switch_core_session_get_uuid(session), SMF_FORCE);
switch_ivr_nomedia(switch_core_session_get_uuid(peer_session), SMF_FORCE);
switch_ivr_signal_bridge(session, peer_session);
} else {
if (switch_channel_test_flag(caller_channel, CF_NOMEDIA)) {
switch_ivr_signal_bridge(session, peer_session);
} else {
switch_ivr_multi_threaded_bridge(session, peer_session, NULL, NULL, NULL);
}
}
}
}
static const switch_application_interface_t bridge_application_interface = {
/*.interface_name */ "bridge",
/*.application_function */ audio_bridge_function,
/* long_desc */ "Bridge the audio between two sessions",
/* short_desc */ "Bridge Audio",
/* syntax */ "<channel_url>",
};
static const switch_loadable_module_interface_t mod_bridgecall_module_interface = {
/*.module_name = */ modname,
/*.endpoint_interface = */ NULL,
/*.timer_interface = */ NULL,
/*.dialplan_interface = */ NULL,
/*.codec_interface = */ NULL,
/*.application_interface */ &bridge_application_interface
};
SWITCH_MOD_DECLARE(switch_status_t) switch_module_load(const switch_loadable_module_interface_t **module_interface, char *filename)
{
/* connect my internal structure to the blank pointer passed to me */
*module_interface = &mod_bridgecall_module_interface;
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
/* For Emacs:
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* mode:c
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* For VIM:
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*/