static apt_bool_t mrcp_server_message_handler(void *obj, mrcp_message_t *message, mrcp_stream_result_e result)
{
mrcp_connection_t *connection = obj;
mrcp_connection_agent_t *agent = connection->agent;
if(result == MRCP_STREAM_MESSAGE_COMPLETE) {
/* message is completely parsed */
mrcp_control_channel_t *channel = mrcp_connection_channel_associate(agent,connection,message);
if(channel) {
mrcp_connection_message_receive(agent->vtable,channel,message);
}
else {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Find Channel <%s@%s> in Connection %s",
message->channel_id.session_id.buf,
message->channel_id.resource_name.buf,
connection->id);
}
}
else if(result == MRCP_STREAM_MESSAGE_INVALID) {
/* error case */
mrcp_message_t *response;
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Parse MRCPv2 Stream");
response = mrcp_response_create(message,message->pool);
response->start_line.status_code = MRCP_STATUS_CODE_UNRECOGNIZED_MESSAGE;
if(mrcp_server_agent_messsage_send(agent,connection,response) == FALSE) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Send MRCPv2 Response");
}
}
return TRUE;
}
static apt_bool_t mrcp_server_agent_control_pocess(mrcp_connection_agent_t *agent)
{
connection_task_msg_data_t task_msg_data;
apr_size_t size = sizeof(connection_task_msg_data_t);
apr_status_t status = apr_socket_recv(agent->control_sock, (char*)&task_msg_data, &size);
if(status == APR_EOF || size == 0) {
return FALSE;
}
switch(task_msg_data.type) {
case CONNECTION_TASK_MSG_ADD_CHANNEL:
mrcp_server_agent_channel_add(agent,task_msg_data.channel,task_msg_data.descriptor);
break;
case CONNECTION_TASK_MSG_MODIFY_CHANNEL:
mrcp_server_agent_channel_modify(agent,task_msg_data.channel,task_msg_data.descriptor);
break;
case CONNECTION_TASK_MSG_REMOVE_CHANNEL:
mrcp_server_agent_channel_remove(agent,task_msg_data.channel);
break;
case CONNECTION_TASK_MSG_SEND_MESSAGE:
mrcp_server_agent_messsage_send(agent,task_msg_data.channel->connection,task_msg_data.message);
break;
case CONNECTION_TASK_MSG_TERMINATE:
return FALSE;
}
return TRUE;
}
static apt_bool_t mrcp_server_message_handler(mrcp_connection_t *connection, mrcp_message_t *message, apt_message_status_e status)
{
mrcp_connection_agent_t *agent = connection->agent;
if(status == APT_MESSAGE_STATUS_COMPLETE) {
/* message is completely parsed */
mrcp_control_channel_t *channel = mrcp_connection_channel_associate(agent,connection,message);
if(channel) {
mrcp_connection_message_receive(agent->vtable,channel,message);
}
else {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Find Channel "APT_SIDRES_FMT" in Connection %s",
MRCP_MESSAGE_SIDRES(message),
connection->id);
}
}
else if(status == APT_MESSAGE_STATUS_INVALID) {
/* error case */
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Parse MRCPv2 Data");
if(message && message->resource) {
mrcp_message_t *response;
response = mrcp_response_create(message,message->pool);
response->start_line.status_code = MRCP_STATUS_CODE_UNRECOGNIZED_MESSAGE;
if(mrcp_server_agent_messsage_send(agent,connection,response) == FALSE) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Send MRCPv2 Response");
}
}
}
return TRUE;
}
/* Process task message */
static apt_bool_t mrcp_server_agent_msg_process(apt_task_t *task, apt_task_msg_t *task_msg)
{
apt_poller_task_t *poller_task = apt_task_object_get(task);
mrcp_connection_agent_t *agent = apt_poller_task_object_get(poller_task);
connection_task_msg_t *msg = (connection_task_msg_t*) task_msg->data;
switch(msg->type) {
case CONNECTION_TASK_MSG_ADD_CHANNEL:
mrcp_server_agent_channel_add(agent,msg->channel,msg->descriptor);
break;
case CONNECTION_TASK_MSG_MODIFY_CHANNEL:
mrcp_server_agent_channel_modify(agent,msg->channel,msg->descriptor);
break;
case CONNECTION_TASK_MSG_REMOVE_CHANNEL:
mrcp_server_agent_channel_remove(agent,msg->channel);
break;
case CONNECTION_TASK_MSG_SEND_MESSAGE:
mrcp_server_agent_messsage_send(agent,msg->channel->connection,msg->message);
break;
}
return TRUE;
}
static apt_bool_t mrcp_server_agent_control_process(mrcp_connection_agent_t *agent)
{
apt_bool_t status = TRUE;
apt_bool_t running = TRUE;
connection_task_msg_t *msg;
do {
apr_thread_mutex_lock(agent->guard);
msg = apt_cyclic_queue_pop(agent->msg_queue);
apr_thread_mutex_unlock(agent->guard);
if(msg) {
switch(msg->type) {
case CONNECTION_TASK_MSG_ADD_CHANNEL:
mrcp_server_agent_channel_add(agent,msg->channel,msg->descriptor);
break;
case CONNECTION_TASK_MSG_MODIFY_CHANNEL:
mrcp_server_agent_channel_modify(agent,msg->channel,msg->descriptor);
break;
case CONNECTION_TASK_MSG_REMOVE_CHANNEL:
mrcp_server_agent_channel_remove(agent,msg->channel);
break;
case CONNECTION_TASK_MSG_SEND_MESSAGE:
mrcp_server_agent_messsage_send(agent,msg->channel->connection,msg->message);
break;
case CONNECTION_TASK_MSG_TERMINATE:
status = FALSE;
break;
}
}
else {
running = FALSE;
}
}
while(running == TRUE);
return status;
}
static apt_bool_t mrcp_server_agent_messsage_receive(mrcp_connection_agent_t *agent, mrcp_connection_t *connection)
{
char buffer[MRCP_MESSAGE_MAX_SIZE];
apt_bool_t more_messages_on_buffer = FALSE;
apr_status_t status;
apt_text_stream_t text_stream;
mrcp_message_t *message;
if(!connection || !connection->sock) {
return FALSE;
}
text_stream.text.buf = buffer;
text_stream.text.length = sizeof(buffer)-1;
status = apr_socket_recv(connection->sock, text_stream.text.buf, &text_stream.text.length);
if(status == APR_EOF || text_stream.text.length == 0) {
return mrcp_server_agent_connection_close(agent,connection);
}
text_stream.text.buf[text_stream.text.length] = '\0';
text_stream.pos = text_stream.text.buf;
apt_log(APT_PRIO_INFO,"Receive MRCPv2 Message size=%lu\n%s",text_stream.text.length,text_stream.text.buf);
do {
message = mrcp_message_create(connection->pool);
if(mrcp_message_parse(agent->resource_factory,message,&text_stream) == TRUE) {
mrcp_control_channel_t *channel = mrcp_connection_channel_associate(agent,connection,message);
if(channel) {
mrcp_connection_message_receive(agent->vtable,channel,message);
}
else {
apt_log(APT_PRIO_WARNING,"Failed to Find Channel <%s@%s>",
message->channel_id.session_id.buf,
message->channel_id.resource_name.buf);
}
}
else {
mrcp_message_t *response;
apt_log(APT_PRIO_WARNING,"Failed to Parse MRCPv2 Message");
if(message->start_line.version == MRCP_VERSION_2) {
/* assume that at least message length field is valid */
if(message->start_line.length <= text_stream.text.length) {
/* skip to the end of the message */
text_stream.pos = text_stream.text.buf + message->start_line.length;
}
else {
/* skip to the end of the buffer (support incomplete) */
text_stream.pos = text_stream.text.buf + text_stream.text.length;
}
}
response = mrcp_response_create(message,message->pool);
response->start_line.status_code = MRCP_STATUS_CODE_UNRECOGNIZED_MESSAGE;
if(mrcp_server_agent_messsage_send(agent,connection,response) == FALSE) {
apt_log(APT_PRIO_WARNING,"Failed to Send MRCPv2 Response");
}
}
more_messages_on_buffer = FALSE;
if(text_stream.text.length > (apr_size_t)(text_stream.pos - text_stream.text.buf)) {
/* there are more MRCPv2 messages to signal */
more_messages_on_buffer = TRUE;
text_stream.text.length -= text_stream.pos - text_stream.text.buf;
text_stream.text.buf = text_stream.pos;
apt_log(APT_PRIO_DEBUG,"Saving Remaining Buffer for Next Message");
}
}
while(more_messages_on_buffer);
return TRUE;
}
