static apt_bool_t mrcp_server_agent_channel_add(mrcp_connection_agent_t *agent, mrcp_control_channel_t *channel, mrcp_control_descriptor_t *offer)
{
mrcp_control_descriptor_t *answer = mrcp_control_answer_create(offer,channel->pool);
apt_id_resource_generate(&offer->session_id,&offer->resource_name,'@',&channel->identifier,channel->pool);
if(offer->port) {
answer->port = agent->sockaddr->port;
}
if(offer->connection_type == MRCP_CONNECTION_TYPE_EXISTING) {
if(agent->force_new_connection == TRUE) {
/* force client to establish new connection */
answer->connection_type = MRCP_CONNECTION_TYPE_NEW;
}
else {
mrcp_connection_t *connection = NULL;
/* try to find any existing connection */
connection = mrcp_connection_find(agent,&offer->ip);
if(!connection) {
/* no existing conection found, force the new one */
answer->connection_type = MRCP_CONNECTION_TYPE_NEW;
}
}
}
if(!agent->null_connection) {
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Create Pending Connection");
agent->null_connection = mrcp_connection_create();
agent->connection_list = apt_list_create(agent->null_connection->pool);
}
mrcp_connection_channel_add(agent->null_connection,channel);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Add Control Channel <%s> to Pending Connection [%d]",
channel->identifier.buf,
apr_hash_count(agent->null_connection->channel_table));
/* send response */
return mrcp_control_channel_add_respond(agent->vtable,channel,answer,TRUE);
}
static apt_bool_t mrcp_client_agent_channel_modify(mrcp_connection_agent_t *agent, mrcp_control_channel_t *channel, mrcp_control_descriptor_t *descriptor)
{
apt_bool_t status = TRUE;
if(descriptor->port) {
if(!channel->connection) {
mrcp_connection_t *connection = NULL;
apt_id_resource_generate(&descriptor->session_id,&descriptor->resource_name,'@',&channel->identifier,channel->pool);
/* no connection yet */
if(descriptor->connection_type == MRCP_CONNECTION_TYPE_EXISTING) {
/* try to find existing connection */
connection = mrcp_client_agent_connection_find(agent,descriptor);
if(!connection) {
apt_obj_log(APT_LOG_MARK,APT_PRIO_WARNING,channel->log_obj,"Found No Existing TCP/MRCPv2 Connection");
}
}
if(!connection) {
/* create new connection */
connection = mrcp_client_agent_connection_create(agent,descriptor);
if(!connection) {
apt_obj_log(APT_LOG_MARK,APT_PRIO_WARNING,channel->log_obj,"Failed to Establish TCP/MRCPv2 Connection");
}
}
if(connection) {
mrcp_connection_channel_add(connection,channel);
apt_obj_log(APT_LOG_MARK,APT_PRIO_INFO,channel->log_obj,"Add Control Channel <%s> %s [%d]",
channel->identifier.buf,
connection->id,
apr_hash_count(connection->channel_table));
if(descriptor->connection_type == MRCP_CONNECTION_TYPE_NEW) {
/* set connection type to existing for the next offers / if any */
descriptor->connection_type = MRCP_CONNECTION_TYPE_EXISTING;
}
}
else {
descriptor->port = 0;
status = FALSE;
}
}
}
/* send response */
return mrcp_control_channel_modify_respond(agent->vtable,channel,descriptor,status);
}
static mrcp_control_channel_t* mrcp_connection_channel_associate(mrcp_connection_agent_t *agent, mrcp_connection_t *connection, const mrcp_message_t *message)
{
apt_str_t identifier;
mrcp_control_channel_t *channel;
if(!connection || !message) {
return NULL;
}
apt_id_resource_generate(&message->channel_id.session_id,&message->channel_id.resource_name,'@',&identifier,connection->pool);
channel = mrcp_connection_channel_find(connection,&identifier);
if(!channel) {
channel = mrcp_connection_channel_find(agent->null_connection,&identifier);
if(channel) {
mrcp_connection_channel_remove(agent->null_connection,channel);
mrcp_connection_channel_add(connection,channel);
apt_log(APT_PRIO_INFO,"Move Control Channel <%s> to Connection [%d]",
channel->identifier.buf,
apr_hash_count(connection->channel_table));
}
}
return channel;
}
static mrcp_control_channel_t* mrcp_connection_channel_associate(mrcp_connection_agent_t *agent, mrcp_connection_t *connection, const mrcp_message_t *message)
{
apt_str_t identifier;
mrcp_control_channel_t *channel;
if(!connection || !message) {
return NULL;
}
apt_id_resource_generate(&message->channel_id.session_id,&message->channel_id.resource_name,'@',&identifier,connection->pool);
channel = mrcp_connection_channel_find(connection,&identifier);
if(!channel) {
channel = apr_hash_get(agent->pending_channel_table,identifier.buf,identifier.length);
if(channel) {
apr_hash_set(agent->pending_channel_table,identifier.buf,identifier.length,NULL);
mrcp_connection_channel_add(connection,channel);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Assign Control Channel <%s> to Connection %s [%d] -> [%d]",
channel->identifier.buf,
connection->id,
apr_hash_count(agent->pending_channel_table),
apr_hash_count(connection->channel_table));
}
}
return channel;
}