static apt_bool_t mrcp_server_session_offer_process(mrcp_server_session_t *session, mrcp_session_descriptor_t *descriptor)
{
if(!session->context) {
/* initial offer received, generate session id and add to session's table */
if(!session->base.id.length) {
apt_unique_id_generate(&session->base.id,MRCP_SESSION_ID_HEX_STRING_LENGTH,session->base.pool);
}
mrcp_server_session_add(session);
session->context = mpf_engine_context_create(session->profile->media_engine,session,5,session->base.pool);
}
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Receive Offer "APT_SID_FMT" [c:%d a:%d v:%d]",
MRCP_SESSION_SID(&session->base),
descriptor->control_media_arr->nelts,
descriptor->audio_media_arr->nelts,
descriptor->video_media_arr->nelts);
/* store received offer */
session->offer = descriptor;
session->answer = mrcp_session_answer_create(descriptor,session->base.pool);
mrcp_server_session_state_set(session,SESSION_STATE_GENERATING_ANSWER);
/* first, reset/destroy existing associations and topology */
if(mpf_engine_topology_message_add(
session->profile->media_engine,
MPF_RESET_ASSOCIATIONS,session->context,
&session->mpf_task_msg) == TRUE){
mrcp_server_session_subrequest_add(session);
}
if(mrcp_session_version_get(session) == MRCP_VERSION_1) {
if(mrcp_server_resource_offer_process(session,descriptor) == TRUE) {
mrcp_server_av_media_offer_process(session,descriptor);
}
else {
session->answer->resource_state = FALSE;
}
}
else {
mrcp_server_control_media_offer_process(session,descriptor);
mrcp_server_av_media_offer_process(session,descriptor);
}
/* apply topology based on assigned associations */
if(mpf_engine_topology_message_add(
session->profile->media_engine,
MPF_APPLY_TOPOLOGY,session->context,
&session->mpf_task_msg) == TRUE) {
mrcp_server_session_subrequest_add(session);
}
mpf_engine_message_send(session->profile->media_engine,&session->mpf_task_msg);
if(!session->subrequest_count) {
/* send answer to client */
mrcp_server_session_answer_send(session);
}
return TRUE;
}
/** Start execution of MPF test suite scenario */
static void mpf_suite_on_start_complete(apt_task_t *task)
{
mpf_suite_session_t *session;
apt_task_t *consumer_task;
mpf_suite_engine_t *suite_engine;
mpf_task_msg_t *task_msg = NULL;
void *descriptor;
apr_pool_t *pool = NULL;
consumer_task = apt_task_object_get(task);
suite_engine = apt_task_object_get(consumer_task);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"On MPF Suite Start");
pool = apt_pool_create();
session = apr_palloc(pool,sizeof(mpf_suite_session_t));
session->pool = pool;
session->context = NULL;
session->termination1 = NULL;
session->termination2 = NULL;
session->rtp_mode = TRUE;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Create MPF Context");
session->context = mpf_engine_context_create(suite_engine->engine,session,2,pool);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Create Termination [1]");
session->termination1 = mpf_termination_create(suite_engine->file_termination_factory,session,session->pool);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Add Termination [1]");
descriptor = mpf_file_reader_descriptor_create(session);
mpf_engine_termination_message_add(
suite_engine->engine,
MPF_ADD_TERMINATION,session->context,session->termination1,descriptor,
&task_msg);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Create Termination [2]");
if(session->rtp_mode == TRUE) {
session->termination2 = mpf_termination_create(suite_engine->rtp_termination_factory,session,session->pool);
}
else {
session->termination2 = mpf_termination_create(suite_engine->file_termination_factory,session,session->pool);
}
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Add Termination [2]");
descriptor = NULL;
if(session->rtp_mode == TRUE) {
descriptor = mpf_rtp_local_descriptor_create(session);
}
else {
descriptor = mpf_file_writer_descriptor_create(session);
}
mpf_engine_termination_message_add(
suite_engine->engine,
MPF_ADD_TERMINATION,session->context,session->termination2,descriptor,
&task_msg);
mpf_engine_message_send(suite_engine->engine,&task_msg);
}
static mpf_suite_session_t* mpf_suite_tx_session_create(const mpf_suite_agent_t *agent)
{
mpf_task_msg_t *task_msg = NULL;
void *descriptor;
apr_pool_t *pool;
mpf_suite_session_t *session;
pool = apt_pool_create();
session = apr_palloc(pool,sizeof(mpf_suite_session_t));
session->pool = pool;
session->context = NULL;
session->file_termination = NULL;
session->rtp_termination = NULL;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Create MPF Context [Tx]");
session->context = mpf_engine_context_create(agent->engine,NULL,session,2,pool);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Create Termination [File Reader]");
session->file_termination = mpf_termination_create(agent->file_termination_factory,session,session->pool);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Add Termination [File Reader]");
descriptor = mpf_file_reader_descriptor_create(agent,session);
mpf_engine_termination_message_add(
agent->engine,
MPF_ADD_TERMINATION,session->context,session->file_termination,descriptor,
&task_msg);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Create Termination [RTP Tx]");
session->rtp_termination = mpf_termination_create(agent->rtp_termination_factory,session,session->pool);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Add Termination [RTP Tx]");
descriptor = mpf_rtp_tx_local_descriptor_create(agent,session);
mpf_engine_termination_message_add(
agent->engine,
MPF_ADD_TERMINATION,session->context,session->rtp_termination,descriptor,
&task_msg);
mpf_engine_message_send(agent->engine,&task_msg);
return session;
}
static apt_bool_t mrcp_client_channel_add(mrcp_client_session_t *session, mrcp_channel_t *channel)
{
mpf_rtp_termination_descriptor_t *rtp_descriptor = NULL;
rtp_termination_slot_t *slot;
apr_pool_t *pool = session->base.pool;
mrcp_profile_t *profile = session->profile;
if(mrcp_client_channel_find(session,channel,NULL) == TRUE) {
/* update */
return mrcp_client_channel_modify(session,channel,TRUE);
}
if(!session->offer) {
session->offer = mrcp_session_descriptor_create(pool);
}
mrcp_client_session_state_set(session,SESSION_STATE_GENERATING_OFFER);
if(mrcp_session_version_get(session) == MRCP_VERSION_1) {
session->offer->resource_name = channel->resource->name;
session->offer->resource_state = TRUE;
}
else {
mrcp_control_descriptor_t *control_media;
if(!channel->control_channel) {
channel->control_channel = mrcp_client_control_channel_create(profile->connection_agent,channel,pool);
mrcp_client_control_channel_log_obj_set(channel->control_channel,session->base.log_obj);
}
control_media = mrcp_control_offer_create(pool);
control_media->id = mrcp_session_control_media_add(session->offer,control_media);
mrcp_cmid_add(control_media->cmid_arr,session->offer->control_media_arr->nelts);
control_media->resource_name = channel->resource->name;
if(mrcp_client_control_channel_add(channel->control_channel,control_media) == TRUE) {
channel->waiting_for_channel = TRUE;
mrcp_client_session_subrequest_add(session);
}
}
apt_obj_log(APT_LOG_MARK,APT_PRIO_NOTICE,session->base.log_obj,"Add Control Channel "APT_NAMESIDRES_FMT,
MRCP_SESSION_NAMESID(session),
channel->resource->name.buf);
/* add control channel */
APR_ARRAY_PUSH(session->channels,mrcp_channel_t*) = channel;
/* add rtp termination slot */
slot = apr_array_push(session->terminations);
slot->waiting = FALSE;
slot->termination = NULL;
slot->descriptor = NULL;
slot->channel = channel;
slot->id = 0;
if(channel->termination) {
/* media termination mode */
mpf_termination_t *termination;
mpf_audio_stream_t *audio_stream;
if(!session->context) {
/* create media context first */
session->context = mpf_engine_context_create(
profile->media_engine,
session->base.name,
session,5,pool);
}
apt_obj_log(APT_LOG_MARK,APT_PRIO_DEBUG,session->base.log_obj,"Add Media Termination "APT_NAMESIDRES_FMT,
MRCP_SESSION_NAMESID(session),
mpf_termination_name_get(channel->termination));
if(mpf_engine_termination_message_add(
profile->media_engine,
MPF_ADD_TERMINATION,session->context,channel->termination,NULL,
&session->mpf_task_msg) == TRUE) {
channel->waiting_for_termination = TRUE;
mrcp_client_session_subrequest_add(session);
}
/* initialize rtp descriptor */
rtp_descriptor = apr_palloc(pool,sizeof(mpf_rtp_termination_descriptor_t));
mpf_rtp_termination_descriptor_init(rtp_descriptor);
rtp_descriptor->audio.settings = profile->rtp_settings;
audio_stream = mpf_termination_audio_stream_get(channel->termination);
if(audio_stream) {
mpf_rtp_media_descriptor_t *media;
media = apr_palloc(pool,sizeof(mpf_rtp_media_descriptor_t));
mpf_rtp_media_descriptor_init(media);
media->state = MPF_MEDIA_ENABLED;
media->direction = mpf_stream_reverse_direction_get(audio_stream->direction);
rtp_descriptor->audio.local = media;
if(audio_stream->capabilities) {
rtp_descriptor->audio.capabilities = mpf_stream_capabilities_clone(audio_stream->capabilities,pool);
rtp_descriptor->audio.capabilities->direction = media->direction;
}
}
/* create rtp termination */
termination = mpf_termination_create(profile->rtp_termination_factory,session,pool);
slot->termination = termination;
apt_obj_log(APT_LOG_MARK,APT_PRIO_DEBUG,session->base.log_obj,"Add Media Termination "APT_NAMESIDRES_FMT,
MRCP_SESSION_NAMESID(session),
mpf_termination_name_get(termination));
/* send add termination request (add to media context) */
if(mpf_engine_termination_message_add(
profile->media_engine,
MPF_ADD_TERMINATION,session->context,termination,rtp_descriptor,
&session->mpf_task_msg) == TRUE) {
slot->waiting = TRUE;
mrcp_client_session_subrequest_add(session);
}
mpf_engine_message_send(profile->media_engine,&session->mpf_task_msg);
}
else {
/* bypass media mode */
if(channel->rtp_termination_slot) {
rtp_descriptor = channel->rtp_termination_slot->descriptor;
if(rtp_descriptor) {
if(rtp_descriptor->audio.local) {
session->offer->ip = rtp_descriptor->audio.local->ip;
session->offer->ext_ip = rtp_descriptor->audio.local->ext_ip;
rtp_descriptor->audio.local->id = mrcp_session_audio_media_add(session->offer,rtp_descriptor->audio.local);
rtp_descriptor->audio.local->mid = session->offer->audio_media_arr->nelts;
slot->id = session->offer->audio_media_arr->nelts - 1;
}
}
}
}
slot->descriptor = rtp_descriptor;
channel->rtp_termination_slot = slot;
if(!session->subrequest_count) {
/* send offer to server */
mrcp_client_session_offer_send(session);
}
return TRUE;
}
