apt_bool_t mrcp_client_session_terminate_event_process(mrcp_client_session_t *session)
{
if(session->state == SESSION_STATE_TERMINATING) {
/* session termination request has been sent, still waiting for the response,
all the events must be ignored at this stage */
apt_obj_log(APT_LOG_MARK,APT_PRIO_WARNING,session->base.log_obj,"Unexpected Event! "APT_NAMESID_FMT,
MRCP_SESSION_NAMESID(session));
return FALSE;
}
if(session->active_request) {
apt_bool_t process_pending_requests = TRUE;
/* raise app response */
session->status = MRCP_SIG_STATUS_CODE_TERMINATE;
mrcp_app_failure_message_raise(session);
/* cancel remaing requests, but do process session termination request (if any) */
do {
session->active_request = apt_list_pop_front(session->request_queue);
if(session->active_request) {
const mrcp_app_message_t *app_message = session->active_request;
if(app_message->message_type == MRCP_APP_MESSAGE_TYPE_SIGNALING &&
app_message->sig_message.command_id == MRCP_SIG_COMMAND_SESSION_TERMINATE) {
/* process session termination */
mrcp_app_request_dispatch(session,app_message);
break;
}
/* cancel pending request */
session->status = MRCP_SIG_STATUS_CODE_CANCEL;
mrcp_app_failure_message_raise(session);
}
else {
process_pending_requests = FALSE;
}
}
while(process_pending_requests == TRUE);
}
else {
/* raise app event */
mrcp_app_sig_event_raise(session,NULL);
}
return TRUE;
}
static apt_bool_t mrcp_app_request_dispatch(mrcp_client_session_t *session, const mrcp_app_message_t *app_message)
{
if(session->state == SESSION_STATE_TERMINATING) {
/* no more requests are allowed, as session is being terminated!
just return, it is horribly wrong and can crash anytime here */
apt_obj_log(APT_LOG_MARK,APT_PRIO_ERROR,session->base.log_obj,"Inappropriate Application Request "APT_NAMESID_FMT" [%d]",
MRCP_SESSION_NAMESID(session),
app_message->sig_message.command_id);
return FALSE;
}
if(session->registered == FALSE) {
session->base.signaling_agent = session->profile->signaling_agent;
if(session->base.signaling_agent->create_client_session(&session->base,session->profile->signaling_settings) != TRUE) {
/* raise app response */
apt_obj_log(APT_LOG_MARK,APT_PRIO_WARNING,session->base.log_obj,"Failed to Create Session "APT_NAMESID_FMT" [%d]",
MRCP_SESSION_NAMESID(session),
app_message->sig_message.command_id);
session->status = MRCP_SIG_STATUS_CODE_FAILURE;
return mrcp_app_failure_message_raise(session);
}
mrcp_client_session_add(session->application->client,session);
session->registered = TRUE;
}
session->status = MRCP_SIG_STATUS_CODE_SUCCESS;
switch(app_message->message_type) {
case MRCP_APP_MESSAGE_TYPE_SIGNALING:
{
apt_obj_log(APT_LOG_MARK,APT_PRIO_DEBUG,session->base.log_obj,"Dispatch App Request "APT_NAMESID_FMT" [%d]",
MRCP_SESSION_NAMESID(session),
app_message->sig_message.command_id);
switch(app_message->sig_message.command_id) {
case MRCP_SIG_COMMAND_SESSION_UPDATE:
mrcp_client_session_update(session);
break;
case MRCP_SIG_COMMAND_SESSION_TERMINATE:
mrcp_client_session_terminate(session);
break;
case MRCP_SIG_COMMAND_CHANNEL_ADD:
mrcp_client_channel_add(session,app_message->channel);
break;
case MRCP_SIG_COMMAND_CHANNEL_REMOVE:
mrcp_client_channel_modify(session,app_message->channel,FALSE);
break;
case MRCP_SIG_COMMAND_RESOURCE_DISCOVER:
mrcp_client_resource_discover(session);
break;
default:
break;
}
break;
}
case MRCP_APP_MESSAGE_TYPE_CONTROL:
{
mrcp_client_message_send(session,app_message->channel,app_message->control_message);
break;
}
}
return TRUE;
}
static apt_bool_t mrcp_app_request_dispatch(mrcp_client_session_t *session, const mrcp_app_message_t *app_message)
{
if(session->state == SESSION_STATE_TERMINATING) {
/* no more requests are allowed, as session is being terminated!
just return, it is horribly wrong and can crash anytime here */
apt_obj_log(APT_LOG_MARK,APT_PRIO_ERROR,session->base.log_obj,"Inappropriate Application Request " APT_NAMESID_FMT " [%d]",
MRCP_SESSION_NAMESID(session),
app_message->sig_message.command_id);
return FALSE;
}
if(session->disconnected == TRUE) {
/* cancel all the requests besides session termination one */
if(!IS_SESSION_TERMINATE(app_message)) {
apt_obj_log(APT_LOG_MARK,APT_PRIO_WARNING,session->base.log_obj,"Cancel App Request " APT_NAMESID_FMT " [%d]",
MRCP_SESSION_NAMESID(session), app_message->sig_message.command_id);
session->status = MRCP_SIG_STATUS_CODE_CANCEL;
return mrcp_app_failure_message_raise(session);
}
}
if(session->registered == FALSE) {
if(IS_SESSION_TERMINATE(app_message)) {
/* if session is not registered, nothing to terminate, just respond with success */
session->status = MRCP_SIG_STATUS_CODE_SUCCESS;
return mrcp_app_sig_response_raise(session,FALSE);
}
/* select signaling agent */
session->base.signaling_agent = mrcp_sa_factory_agent_select(session->profile->sa_factory);
if(!session->base.signaling_agent) {
apt_obj_log(APT_LOG_MARK,APT_PRIO_WARNING,session->base.log_obj,"Failed to Select Signaling Agent " APT_NAMESID_FMT " [%d]",
MRCP_SESSION_NAMESID(session),
app_message->sig_message.command_id);
session->status = MRCP_SIG_STATUS_CODE_FAILURE;
}
if(session->profile->mrcp_version == MRCP_VERSION_2) {
/* select connection agent */
session->base.connection_agent = mrcp_ca_factory_agent_select(session->profile->ca_factory);
if(!session->base.connection_agent) {
apt_obj_log(APT_LOG_MARK,APT_PRIO_WARNING,session->base.log_obj,"Failed to Select Connection Agent " APT_NAMESID_FMT " [%d]",
MRCP_SESSION_NAMESID(session),
app_message->sig_message.command_id);
session->status = MRCP_SIG_STATUS_CODE_FAILURE;
}
}
if(session->profile->mpf_factory) {
/* select media engine */
session->base.media_engine = mpf_engine_factory_engine_select(session->profile->mpf_factory);
if(!session->base.media_engine) {
apt_obj_log(APT_LOG_MARK,APT_PRIO_WARNING,session->base.log_obj,"Failed to Select Media Engine " APT_NAMESID_FMT " [%d]",
MRCP_SESSION_NAMESID(session),
app_message->sig_message.command_id);
session->status = MRCP_SIG_STATUS_CODE_FAILURE;
}
}
/* set rtp termination factory */
session->base.rtp_factory = session->profile->rtp_termination_factory;
if(session->status == MRCP_SIG_STATUS_CODE_FAILURE) {
/* raise app response in case of failure */
return mrcp_app_failure_message_raise(session);
}
if(session->base.signaling_agent->create_client_session(&session->base,session->profile->signaling_settings) != TRUE) {
/* raise app response */
apt_obj_log(APT_LOG_MARK,APT_PRIO_WARNING,session->base.log_obj,"Failed to Create Session " APT_NAMESID_FMT " [%d]",
MRCP_SESSION_NAMESID(session),
app_message->sig_message.command_id);
session->status = MRCP_SIG_STATUS_CODE_FAILURE;
return mrcp_app_failure_message_raise(session);
}
mrcp_client_session_add(session->application->client,session);
session->registered = TRUE;
}
session->status = MRCP_SIG_STATUS_CODE_SUCCESS;
switch(app_message->message_type) {
case MRCP_APP_MESSAGE_TYPE_SIGNALING:
{
apt_obj_log(APT_LOG_MARK,APT_PRIO_DEBUG,session->base.log_obj,"Dispatch App Request " APT_NAMESID_FMT " [%d]",
MRCP_SESSION_NAMESID(session),
app_message->sig_message.command_id);
switch(app_message->sig_message.command_id) {
case MRCP_SIG_COMMAND_SESSION_UPDATE:
mrcp_client_session_update(session);
break;
case MRCP_SIG_COMMAND_SESSION_TERMINATE:
mrcp_client_session_terminate(session);
break;
case MRCP_SIG_COMMAND_CHANNEL_ADD:
mrcp_client_channel_add(session,app_message->channel);
break;
case MRCP_SIG_COMMAND_CHANNEL_REMOVE:
mrcp_client_channel_modify(session,app_message->channel,FALSE);
break;
case MRCP_SIG_COMMAND_RESOURCE_DISCOVER:
mrcp_client_resource_discover(session);
break;
default:
break;
}
break;
}
case MRCP_APP_MESSAGE_TYPE_CONTROL:
{
mrcp_client_message_send(session,app_message->channel,app_message->control_message);
break;
}
}
return TRUE;
}
