static apt_bool_t mrcp_unirtsp_on_session_control(mrcp_session_t *mrcp_session, mrcp_message_t *mrcp_message)
{
mrcp_unirtsp_session_t *session = mrcp_session->obj;
mrcp_unirtsp_agent_t *agent = mrcp_session->signaling_agent->obj;
char buffer[500];
apt_text_stream_t stream;
rtsp_message_t *rtsp_message = NULL;
apt_str_t *body;
apt_text_stream_init(&stream,buffer,sizeof(buffer));
mrcp_message->start_line.version = MRCP_VERSION_1;
if(mrcp_message_generate(agent->sig_agent->resource_factory,mrcp_message,&stream) != TRUE) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Generate MRCPv1 Message");
return FALSE;
}
stream.text.length = stream.pos - stream.text.buf;
if(mrcp_message->start_line.message_type == MRCP_MESSAGE_TYPE_RESPONSE) {
/* send RTSP response (OK) */
const rtsp_message_t *request = rtsp_server_session_request_get(session->rtsp_session);
if(request) {
rtsp_message = rtsp_response_create(request,RTSP_STATUS_CODE_OK,RTSP_REASON_PHRASE_OK,mrcp_session->pool);
}
}
else if(mrcp_message->start_line.message_type == MRCP_MESSAGE_TYPE_EVENT) {
/* send RTSP announce */
rtsp_message = rtsp_request_create(mrcp_session->pool);
rtsp_message->start_line.common.request_line.resource_name = rtsp_name_get_by_mrcp_name(
agent->config->resource_map,
mrcp_message->channel_id.resource_name.buf);
rtsp_message->start_line.common.request_line.method_id = RTSP_METHOD_ANNOUNCE;
}
if(!rtsp_message) {
return FALSE;
}
body = &rtsp_message->body;
body->length = mrcp_message->start_line.length;
body->buf = apr_palloc(rtsp_message->pool,body->length+1);
memcpy(body->buf,stream.text.buf,stream.text.length);
if(mrcp_message->body.length) {
memcpy(body->buf+stream.text.length,mrcp_message->body.buf,mrcp_message->body.length);
}
body->buf[body->length] = '\0';
rtsp_message->header.content_type = RTSP_CONTENT_TYPE_MRCP;
rtsp_header_property_add(&rtsp_message->header,RTSP_HEADER_FIELD_CONTENT_TYPE,rtsp_message->pool);
rtsp_message->header.content_length = body->length;
rtsp_header_property_add(&rtsp_message->header,RTSP_HEADER_FIELD_CONTENT_LENGTH,rtsp_message->pool);
rtsp_server_session_respond(agent->rtsp_server,session->rtsp_session,rtsp_message);
return TRUE;
}
/** Generate RTSP resource discovery request */
MRCP_DECLARE(rtsp_message_t*) rtsp_resource_discovery_request_generate(
const char *resource_name,
const apr_table_t *resource_map,
apr_pool_t *pool)
{
rtsp_message_t *request = rtsp_request_create(pool);
request->start_line.common.request_line.resource_name = rtsp_name_get_by_mrcp_name(
resource_map,
resource_name);
request->start_line.common.request_line.method_id = RTSP_METHOD_DESCRIBE;
return request;
}
static apt_bool_t mrcp_unirtsp_session_control(mrcp_session_t *mrcp_session, mrcp_message_t *mrcp_message)
{
mrcp_unirtsp_session_t *session = mrcp_session->obj;
mrcp_unirtsp_agent_t *agent = mrcp_session->signaling_agent->obj;
char buffer[2000];
apt_text_stream_t stream;
rtsp_message_t *rtsp_message = NULL;
apt_str_t *body;
apt_text_stream_init(&stream,buffer,sizeof(buffer));
mrcp_message->start_line.version = MRCP_VERSION_1;
if(mrcp_message_generate(agent->sig_agent->resource_factory,mrcp_message,&stream) != TRUE) {
apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"Failed to Generate MRCPv1 Message");
return FALSE;
}
stream.text.length = stream.pos - stream.text.buf;
rtsp_message = rtsp_request_create(mrcp_session->pool);
rtsp_message->start_line.common.request_line.resource_name = rtsp_name_get_by_mrcp_name(
session->rtsp_settings->resource_map,
mrcp_message->channel_id.resource_name.buf);
rtsp_message->start_line.common.request_line.method_id = RTSP_METHOD_ANNOUNCE;
body = &rtsp_message->body;
body->length = mrcp_message->start_line.length;
body->buf = apr_palloc(rtsp_message->pool,body->length+1);
memcpy(body->buf,stream.text.buf,stream.text.length);
if(mrcp_message->body.length) {
memcpy(body->buf+stream.text.length,mrcp_message->body.buf,mrcp_message->body.length);
}
body->buf[body->length] = '\0';
rtsp_message->header.content_type = RTSP_CONTENT_TYPE_MRCP;
rtsp_header_property_add(&rtsp_message->header,RTSP_HEADER_FIELD_CONTENT_TYPE,rtsp_message->pool);
rtsp_message->header.content_length = body->length;
rtsp_header_property_add(&rtsp_message->header,RTSP_HEADER_FIELD_CONTENT_LENGTH,rtsp_message->pool);
session->mrcp_message = mrcp_message;
rtsp_client_session_request(agent->rtsp_client,session->rtsp_session,rtsp_message);
return TRUE;
}
/* Teardown session resources */
static apt_bool_t rtsp_client_session_resources_teardown(rtsp_client_t *client, rtsp_client_session_t *session)
{
void *val;
rtsp_message_t *setup_request;
rtsp_message_t *teardown_request;
apr_hash_index_t *it;
/* set termination state to in-progress and teardown remaining resources */
session->term_state = TERMINATION_STATE_INPROGRESS;
it = apr_hash_first(session->pool,session->resource_table);
for(; it; it = apr_hash_next(it)) {
apr_hash_this(it,NULL,NULL,&val);
setup_request = val;
if(!setup_request) continue;
teardown_request = rtsp_request_create(session->pool);
teardown_request->start_line.common.request_line.resource_name = setup_request->start_line.common.request_line.resource_name;
teardown_request->start_line.common.request_line.method_id = RTSP_METHOD_TEARDOWN;
rtsp_client_session_message_process(client,session,teardown_request);
}
return TRUE;
}
/** Generate RTSP request by MRCP descriptor */
MRCP_DECLARE(rtsp_message_t*) rtsp_request_generate_by_mrcp_descriptor(const mrcp_session_descriptor_t *descriptor, const apr_table_t *resource_map, apr_pool_t *pool)
{
apr_size_t i;
apr_size_t count;
apr_size_t audio_index = 0;
mpf_rtp_media_descriptor_t *audio_media;
apr_size_t video_index = 0;
mpf_rtp_media_descriptor_t *video_media;
apr_size_t offset = 0;
char buffer[2048];
apr_size_t size = sizeof(buffer);
rtsp_message_t *request;
const char *ip = descriptor->ext_ip.buf ? descriptor->ext_ip.buf : (descriptor->ip.buf ? descriptor->ip.buf : "0.0.0.0");
request = rtsp_request_create(pool);
request->start_line.common.request_line.resource_name = rtsp_name_get_by_mrcp_name(
resource_map,
descriptor->resource_name.buf);
if(descriptor->resource_state != TRUE) {
request->start_line.common.request_line.method_id = RTSP_METHOD_TEARDOWN;
return request;
}
request->start_line.common.request_line.method_id = RTSP_METHOD_SETUP;
buffer[0] = '\0';
offset += snprintf(buffer+offset,size-offset,
"v=0\r\n"
"o=%s 0 0 IN IP4 %s\r\n"
"s=-\r\n"
"c=IN IP4 %s\r\n"
"t=0 0\r\n",
descriptor->origin.buf ? descriptor->origin.buf : "-",
ip,
ip);
count = mrcp_session_media_count_get(descriptor);
for(i=0; i<count; i++) {
audio_media = mrcp_session_audio_media_get(descriptor,audio_index);
if(audio_media && audio_media->id == i) {
/* generate audio media */
audio_index++;
offset += sdp_rtp_media_generate(buffer+offset,size-offset,descriptor,audio_media);
request->header.transport.client_port_range.min = audio_media->port;
request->header.transport.client_port_range.max = audio_media->port+1;
continue;
}
video_media = mrcp_session_video_media_get(descriptor,video_index);
if(video_media && video_media->id == i) {
/* generate video media */
video_index++;
offset += sdp_rtp_media_generate(buffer+offset,size-offset,descriptor,video_media);
continue;
}
}
request->header.transport.protocol = RTSP_TRANSPORT_RTP;
request->header.transport.profile = RTSP_PROFILE_AVP;
request->header.transport.delivery = RTSP_DELIVERY_UNICAST;
rtsp_header_property_add(&request->header.property_set,RTSP_HEADER_FIELD_TRANSPORT);
if(offset) {
apt_string_assign_n(&request->body,buffer,offset,pool);
request->header.content_type = RTSP_CONTENT_TYPE_SDP;
rtsp_header_property_add(&request->header.property_set,RTSP_HEADER_FIELD_CONTENT_TYPE);
request->header.content_length = offset;
rtsp_header_property_add(&request->header.property_set,RTSP_HEADER_FIELD_CONTENT_LENGTH);
}
return request;
}