add new stub module mod_rtc dummy signaling-free media engine endpoint

This commit is contained in:
Anthony Minessale 2014-05-28 07:31:24 +05:00
parent 94921247d5
commit 5138f4d5a7
4 changed files with 473 additions and 0 deletions

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@ -82,6 +82,7 @@ dialplans/mod_dialplan_xml
#endpoints/mod_gsmopen
#endpoints/mod_h323
#endpoints/mod_khomp
endpoints/mod_rtc
endpoints/mod_loopback
#endpoints/mod_opal
#endpoints/mod_portaudio

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@ -1499,6 +1499,7 @@ AC_CONFIG_FILES([Makefile
src/mod/endpoints/mod_skypopen/Makefile
src/mod/endpoints/mod_sofia/Makefile
src/mod/endpoints/mod_unicall/Makefile
src/mod/endpoints/mod_rtc/Makefile
src/mod/event_handlers/mod_cdr_csv/Makefile
src/mod/event_handlers/mod_cdr_mongodb/Makefile
src/mod/event_handlers/mod_cdr_pg_csv/Makefile

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@ -0,0 +1,8 @@
include $(top_srcdir)/build/modmake.rulesam
MODNAME=mod_rtc
mod_LTLIBRARIES = mod_rtc.la
mod_rtc_la_SOURCES = mod_rtc.c
mod_rtc_la_CFLAGS = $(AM_CFLAGS)
mod_rtc_la_LIBADD = $(switch_builddir)/libfreeswitch.la
mod_rtc_la_LDFLAGS = -avoid-version -module -no-undefined -shared

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@ -0,0 +1,463 @@
/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
*
* 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 <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
*
*
* mod_rtc.c -- RTC Endpoint
*
*/
/* Best viewed in a 160 x 60 VT100 Terminal or so the line below at least fits across your screen*/
/*************************************************************************************************************************************************************/
#include <switch.h>
SWITCH_MODULE_LOAD_FUNCTION(mod_rtc_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_rtc_shutdown);
SWITCH_MODULE_DEFINITION(mod_rtc, mod_rtc_load, mod_rtc_shutdown, NULL);
switch_endpoint_interface_t *rtc_endpoint_interface;
#define STRLEN 15
static switch_status_t rtc_on_init(switch_core_session_t *session);
static switch_status_t rtc_on_exchange_media(switch_core_session_t *session);
static switch_status_t rtc_on_soft_execute(switch_core_session_t *session);
static switch_call_cause_t rtc_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 *cancel_cause);
static switch_status_t rtc_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
static switch_status_t rtc_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
static switch_status_t rtc_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
static switch_status_t rtc_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
static switch_status_t rtc_kill_channel(switch_core_session_t *session, int sig);
typedef struct {
switch_channel_t *channel;
switch_core_session_t *session;
switch_caller_profile_t *caller_profile;
switch_media_handle_t *media_handle;
switch_core_media_params_t mparams;
} private_object_t;
static struct {
switch_memory_pool_t *pool;
switch_mutex_t *mutex;
int running;
} mod_rtc_globals;
/* 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 rtc_on_init(switch_core_session_t *session)
{
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t rtc_on_routing(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s RTC ROUTING\n",
switch_channel_get_name(switch_core_session_get_channel(session)));
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t rtc_on_reset(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s RTC RESET\n",
switch_channel_get_name(switch_core_session_get_channel(session)));
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t rtc_on_hibernate(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s RTC HIBERNATE\n",
switch_channel_get_name(switch_core_session_get_channel(session)));
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t rtc_on_execute(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s RTC EXECUTE\n",
switch_channel_get_name(switch_core_session_get_channel(session)));
return SWITCH_STATUS_SUCCESS;
}
switch_status_t rtc_on_destroy(switch_core_session_t *session)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s RTC DESTROY\n", switch_channel_get_name(channel));
switch_media_handle_destroy(session);
return SWITCH_STATUS_SUCCESS;
}
switch_status_t rtc_on_hangup(switch_core_session_t *session)
{
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t rtc_on_exchange_media(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "RTC EXCHANGE_MEDIA\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t rtc_on_soft_execute(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "RTC SOFT_EXECUTE\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t rtc_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
{
return switch_core_media_read_frame(session, frame, flags, stream_id, SWITCH_MEDIA_TYPE_VIDEO);
}
static switch_status_t rtc_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_assert(tech_pvt != NULL);
if (SWITCH_STATUS_SUCCESS == switch_core_media_write_frame(session, frame, flags, stream_id, SWITCH_MEDIA_TYPE_VIDEO)) {
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
static switch_status_t rtc_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
{
switch_status_t status = SWITCH_STATUS_FALSE;
status = switch_core_media_read_frame(session, frame, flags, stream_id, SWITCH_MEDIA_TYPE_AUDIO);
return status;
}
static switch_status_t rtc_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
{
switch_status_t status = SWITCH_STATUS_SUCCESS;
status = switch_core_media_write_frame(session, frame, flags, stream_id, SWITCH_MEDIA_TYPE_AUDIO);
return status;
}
static switch_status_t rtc_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_core_media_ready(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO)) {
switch_core_media_break(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO);
}
if (switch_core_media_ready(tech_pvt->session, SWITCH_MEDIA_TYPE_VIDEO)) {
switch_core_media_break(tech_pvt->session, SWITCH_MEDIA_TYPE_VIDEO);
}
break;
case SWITCH_SIG_KILL:
default:
if (switch_core_media_ready(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO)) {
switch_core_media_kill_socket(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO);
}
if (switch_core_media_ready(tech_pvt->session, SWITCH_MEDIA_TYPE_VIDEO)) {
switch_core_media_kill_socket(tech_pvt->session, SWITCH_MEDIA_TYPE_VIDEO);
}
break;
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t rtc_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
{
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t rtc_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;
const char *var;
if (switch_channel_down(channel) || !tech_pvt) {
status = SWITCH_STATUS_FALSE;
return SWITCH_STATUS_FALSE;
}
/* ones that do not need to lock rtp mutex */
switch (msg->message_id) {
case SWITCH_MESSAGE_INDICATE_CLEAR_PROGRESS:
break;
case SWITCH_MESSAGE_INDICATE_ANSWER:
case SWITCH_MESSAGE_INDICATE_PROGRESS:
{
if (((var = switch_channel_get_variable(channel, "rtp_secure_media"))) &&
(switch_true(var) || switch_core_media_crypto_str2type(var) != CRYPTO_INVALID)) {
switch_channel_set_flag(tech_pvt->channel, CF_SECURE);
}
}
break;
default:
break;
}
return status;
}
static switch_status_t rtc_receive_event(switch_core_session_t *session, switch_event_t *event)
{
return SWITCH_STATUS_SUCCESS;
}
switch_io_routines_t rtc_io_routines = {
/*.outgoing_channel */ rtc_outgoing_channel,
/*.read_frame */ rtc_read_frame,
/*.write_frame */ rtc_write_frame,
/*.kill_channel */ rtc_kill_channel,
/*.send_dtmf */ rtc_send_dtmf,
/*.receive_message */ rtc_receive_message,
/*.receive_event */ rtc_receive_event,
/*.state_change */ NULL,
/*.read_video_frame */ rtc_read_video_frame,
/*.write_video_frame */ rtc_write_video_frame,
/*.state_run*/ NULL,
/*.get_jb*/ NULL
};
switch_state_handler_table_t rtc_event_handlers = {
/*.on_init */ rtc_on_init,
/*.on_routing */ rtc_on_routing,
/*.on_execute */ rtc_on_execute,
/*.on_hangup */ rtc_on_hangup,
/*.on_exchange_media */ rtc_on_exchange_media,
/*.on_soft_execute */ rtc_on_soft_execute,
/*.on_consume_media */ NULL,
/*.on_hibernate */ rtc_on_hibernate,
/*.on_reset */ rtc_on_reset,
/*.on_park */ NULL,
/*.on_reporting */ NULL,
/*.on_destroy */ rtc_on_destroy
};
void rtc_set_name(private_object_t *tech_pvt, const char *channame)
{
char name[256];
switch_snprintf(name, sizeof(name), "rtc/%s", channame);
switch_channel_set_name(tech_pvt->channel, name);
}
void rtc_attach_private(switch_core_session_t *session, private_object_t *tech_pvt, const char *channame)
{
switch_assert(session != NULL);
switch_assert(tech_pvt != NULL);
switch_core_session_add_stream(session, NULL);
tech_pvt->session = session;
tech_pvt->channel = switch_core_session_get_channel(session);
switch_core_media_check_dtmf_type(session);
switch_channel_set_cap(tech_pvt->channel, CC_JITTERBUFFER);
switch_channel_set_cap(tech_pvt->channel, CC_FS_RTP);
switch_media_handle_create(&tech_pvt->media_handle, session, &tech_pvt->mparams);
switch_core_session_set_private(session, tech_pvt);
if (channame) {
rtc_set_name(tech_pvt, channame);
}
}
private_object_t *rtc_new_pvt(switch_core_session_t *session)
{
private_object_t *tech_pvt = (private_object_t *) switch_core_session_alloc(session, sizeof(private_object_t));
return tech_pvt;
}
static switch_call_cause_t rtc_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 *cancel_cause)
{
switch_call_cause_t cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
switch_core_session_t *nsession = NULL;
switch_caller_profile_t *caller_profile = NULL;
private_object_t *tech_pvt = NULL;
switch_channel_t *nchannel;
const char *hval = NULL;
*new_session = NULL;
if (!(nsession = switch_core_session_request_uuid(rtc_endpoint_interface, SWITCH_CALL_DIRECTION_OUTBOUND,
flags, pool, switch_event_get_header(var_event, "origination_uuid")))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error Creating Session\n");
goto error;
}
tech_pvt = rtc_new_pvt(nsession);
nchannel = switch_core_session_get_channel(nsession);
if (outbound_profile) {
caller_profile = switch_caller_profile_clone(nsession, outbound_profile);
switch_channel_set_caller_profile(nchannel, caller_profile);
}
if ((hval = switch_event_get_header(var_event, "media_webrtc")) && switch_true(hval)) {
switch_channel_set_variable(nchannel, "rtc_secure_media", SWITCH_RTP_CRYPTO_KEY_80);
}
if ((hval = switch_event_get_header(var_event, "rtc_secure_media"))) {
switch_channel_set_variable(nchannel, "rtc_secure_media", hval);
}
rtc_attach_private(nsession, tech_pvt, NULL);
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_ivr_transfer_variable(session, nsession, "rtc_video_fmtp");
}
goto done;
error:
if (nsession) {
switch_core_session_destroy(&nsession);
}
if (pool) {
*pool = NULL;
}
done:
return cause;
}
static int rtc_recover_callback(switch_core_session_t *session)
{
private_object_t *tech_pvt = rtc_new_pvt(session);
rtc_attach_private(session, tech_pvt, NULL);
return 1;
}
SWITCH_MODULE_LOAD_FUNCTION(mod_rtc_load)
{
memset(&mod_rtc_globals, 0, sizeof(mod_rtc_globals));
mod_rtc_globals.pool = pool;
switch_mutex_init(&mod_rtc_globals.mutex, SWITCH_MUTEX_NESTED, mod_rtc_globals.pool);
switch_mutex_lock(mod_rtc_globals.mutex);
mod_rtc_globals.running = 1;
switch_mutex_unlock(mod_rtc_globals.mutex);
/* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
rtc_endpoint_interface = switch_loadable_module_create_interface(*module_interface, SWITCH_ENDPOINT_INTERFACE);
rtc_endpoint_interface->interface_name = "rtc";
rtc_endpoint_interface->io_routines = &rtc_io_routines;
rtc_endpoint_interface->state_handler = &rtc_event_handlers;
rtc_endpoint_interface->recover_callback = rtc_recover_callback;
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_rtc_shutdown)
{
switch_mutex_lock(mod_rtc_globals.mutex);
if (mod_rtc_globals.running == 1) {
mod_rtc_globals.running = 0;
}
switch_mutex_unlock(mod_rtc_globals.mutex);
return SWITCH_STATUS_SUCCESS;
}
/* For Emacs:
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* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
*/