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_server_agent_connection_accept(mrcp_connection_agent_t *agent)
{
char *local_ip = NULL;
char *remote_ip = NULL;
apr_socket_t *sock;
apr_pool_t *pool;
mrcp_connection_t *connection;
if(!agent->null_connection) {
pool = apt_pool_create();
if(apr_socket_accept(&sock,agent->listen_sock,pool) != APR_SUCCESS) {
return FALSE;
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Rejected TCP/MRCPv2 Connection");
apr_socket_close(sock);
apr_pool_destroy(pool);
return FALSE;
}
pool = agent->null_connection->pool;
if(apr_socket_accept(&sock,agent->listen_sock,pool) != APR_SUCCESS) {
return FALSE;
}
connection = mrcp_connection_create();
connection->sock = sock;
if(apr_socket_addr_get(&connection->r_sockaddr,APR_REMOTE,sock) != APR_SUCCESS ||
apr_socket_addr_get(&connection->l_sockaddr,APR_LOCAL,sock) != APR_SUCCESS) {
apr_socket_close(sock);
mrcp_connection_destroy(connection);
return FALSE;
}
apr_sockaddr_ip_get(&local_ip,connection->l_sockaddr);
apr_sockaddr_ip_get(&remote_ip,connection->r_sockaddr);
apt_string_set(&connection->remote_ip,remote_ip);
connection->id = apr_psprintf(connection->pool,"%s:%hu <-> %s:%hu",
local_ip,connection->l_sockaddr->port,
remote_ip,connection->r_sockaddr->port);
memset(&connection->sock_pfd,0,sizeof(apr_pollfd_t));
connection->sock_pfd.desc_type = APR_POLL_SOCKET;
connection->sock_pfd.reqevents = APR_POLLIN;
connection->sock_pfd.desc.s = connection->sock;
connection->sock_pfd.client_data = connection;
if(apt_pollset_add(agent->pollset, &connection->sock_pfd) != TRUE) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Add to Pollset");
apr_socket_close(sock);
mrcp_connection_destroy(connection);
return FALSE;
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Accepted TCP/MRCPv2 Connection %s",connection->id);
connection->agent = agent;
connection->it = apt_list_push_back(agent->connection_list,connection,connection->pool);
connection->parser = mrcp_parser_create(agent->resource_factory,connection->pool);
connection->generator = mrcp_generator_create(agent->resource_factory,connection->pool);
return TRUE;
}
static mrcp_connection_t* mrcp_client_agent_connection_create(mrcp_connection_agent_t *agent, mrcp_control_descriptor_t *descriptor)
{
char *local_ip = NULL;
char *remote_ip = NULL;
mrcp_connection_t *connection = mrcp_connection_create();
apr_sockaddr_info_get(&connection->r_sockaddr,descriptor->ip.buf,APR_INET,descriptor->port,0,connection->pool);
if(!connection->r_sockaddr) {
mrcp_connection_destroy(connection);
return NULL;
}
if(apr_socket_create(&connection->sock,connection->r_sockaddr->family,SOCK_STREAM,APR_PROTO_TCP,connection->pool) != APR_SUCCESS) {
mrcp_connection_destroy(connection);
return NULL;
}
apr_socket_opt_set(connection->sock, APR_SO_NONBLOCK, 0);
apr_socket_timeout_set(connection->sock, -1);
apr_socket_opt_set(connection->sock, APR_SO_REUSEADDR, 1);
if(apr_socket_connect(connection->sock, connection->r_sockaddr) != APR_SUCCESS) {
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return NULL;
}
if(apr_socket_addr_get(&connection->l_sockaddr,APR_LOCAL,connection->sock) != APR_SUCCESS) {
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return NULL;
}
apr_sockaddr_ip_get(&local_ip,connection->l_sockaddr);
apr_sockaddr_ip_get(&remote_ip,connection->r_sockaddr);
connection->id = apr_psprintf(connection->pool,"%s:%hu <-> %s:%hu",
local_ip,connection->l_sockaddr->port,
remote_ip,connection->r_sockaddr->port);
memset(&connection->sock_pfd,0,sizeof(apr_pollfd_t));
connection->sock_pfd.desc_type = APR_POLL_SOCKET;
connection->sock_pfd.reqevents = APR_POLLIN;
connection->sock_pfd.desc.s = connection->sock;
connection->sock_pfd.client_data = connection;
if(apt_pollset_add(agent->pollset, &connection->sock_pfd) != TRUE) {
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return NULL;
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Established TCP/MRCPv2 Connection %s",connection->id);
connection->agent = agent;
connection->it = apt_list_push_back(agent->connection_list,connection,connection->pool);
connection->parser = mrcp_parser_create(agent->resource_factory,connection->pool);
connection->generator = mrcp_generator_create(agent->resource_factory,connection->pool);
return connection;
}
static apt_bool_t mrcp_server_agent_connection_accept(mrcp_connection_agent_t *agent)
{
apr_socket_t *sock;
apr_pool_t *pool;
mrcp_connection_t *connection;
if(!agent->null_connection) {
apr_pool_create(&pool,NULL);
if(apr_socket_accept(&sock,agent->listen_sock,pool) != APR_SUCCESS) {
return FALSE;
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Rejected TCP/MRCPv2 Connection");
apr_socket_close(sock);
apr_pool_destroy(pool);
return FALSE;
}
pool = agent->null_connection->pool;
if(apr_socket_accept(&sock,agent->listen_sock,pool) != APR_SUCCESS) {
return FALSE;
}
connection = mrcp_connection_create();
connection->sock = sock;
connection->sock_pfd.desc_type = APR_POLL_SOCKET;
connection->sock_pfd.reqevents = APR_POLLIN;
connection->sock_pfd.desc.s = connection->sock;
connection->sock_pfd.client_data = connection;
if(apr_pollset_add(agent->pollset, &connection->sock_pfd) != APR_SUCCESS) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Add to Pollset");
apr_socket_close(sock);
mrcp_connection_destroy(connection);
return FALSE;
}
connection->agent = agent;
connection->it = apt_list_push_back(agent->connection_list,connection);
connection->parser = mrcp_parser_create(agent->resource_factory,connection->pool);
connection->generator = mrcp_generator_create(agent->resource_factory,connection->pool);
apr_socket_addr_get(&connection->sockaddr,APR_REMOTE,sock);
if(apr_sockaddr_ip_get(&connection->remote_ip.buf,connection->sockaddr) == APR_SUCCESS) {
connection->remote_ip.length = strlen(connection->remote_ip.buf);
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Accepted TCP/MRCPv2 Connection %s:%d",
connection->remote_ip.buf,
connection->sockaddr->port);
return TRUE;
}
static mrcp_connection_t* mrcp_client_agent_connection_create(mrcp_connection_agent_t *agent, mrcp_control_descriptor_t *descriptor)
{
mrcp_connection_t *connection = mrcp_connection_create();
connection->remote_ip = descriptor->ip;
apr_sockaddr_info_get(&connection->sockaddr,descriptor->ip.buf,APR_INET,descriptor->port,0,connection->pool);
if(!connection->sockaddr) {
mrcp_connection_destroy(connection);
return NULL;
}
if(apr_socket_create(&connection->sock, connection->sockaddr->family, SOCK_STREAM, APR_PROTO_TCP, connection->pool) != APR_SUCCESS) {
mrcp_connection_destroy(connection);
return NULL;
}
apr_socket_opt_set(connection->sock, APR_SO_NONBLOCK, 0);
apr_socket_timeout_set(connection->sock, -1);
apr_socket_opt_set(connection->sock, APR_SO_REUSEADDR, 1);
if(apr_socket_connect(connection->sock, connection->sockaddr) != APR_SUCCESS) {
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return NULL;
}
connection->sock_pfd.desc_type = APR_POLL_SOCKET;
connection->sock_pfd.reqevents = APR_POLLIN;
connection->sock_pfd.desc.s = connection->sock;
connection->sock_pfd.client_data = connection;
if(apr_pollset_add(agent->pollset, &connection->sock_pfd) != APR_SUCCESS) {
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return NULL;
}
apt_log(APT_PRIO_NOTICE,"Established TCP/MRCPv2 Connection %s:%d",
connection->remote_ip.buf,
connection->sockaddr->port);
connection->it = apt_list_push_back(agent->connection_list,connection);
return connection;
}
static mrcp_connection_t* mrcp_client_agent_connection_create(mrcp_connection_agent_t *agent, mrcp_control_descriptor_t *descriptor)
{
char *local_ip = NULL;
char *remote_ip = NULL;
mrcp_connection_t *connection = mrcp_connection_create();
apr_sockaddr_info_get(&connection->r_sockaddr,descriptor->ip.buf,APR_INET,descriptor->port,0,connection->pool);
if(!connection->r_sockaddr) {
mrcp_connection_destroy(connection);
return NULL;
}
if(apr_socket_create(&connection->sock,connection->r_sockaddr->family,SOCK_STREAM,APR_PROTO_TCP,connection->pool) != APR_SUCCESS) {
mrcp_connection_destroy(connection);
return NULL;
}
apr_socket_opt_set(connection->sock, APR_SO_NONBLOCK, 0);
apr_socket_timeout_set(connection->sock, -1);
apr_socket_opt_set(connection->sock, APR_SO_REUSEADDR, 1);
if(apr_socket_connect(connection->sock, connection->r_sockaddr) != APR_SUCCESS) {
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return NULL;
}
if(apr_socket_addr_get(&connection->l_sockaddr,APR_LOCAL,connection->sock) != APR_SUCCESS) {
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return NULL;
}
apr_sockaddr_ip_get(&local_ip,connection->l_sockaddr);
apr_sockaddr_ip_get(&remote_ip,connection->r_sockaddr);
connection->id = apr_psprintf(connection->pool,"%s:%hu <-> %s:%hu",
local_ip,connection->l_sockaddr->port,
remote_ip,connection->r_sockaddr->port);
memset(&connection->sock_pfd,0,sizeof(apr_pollfd_t));
connection->sock_pfd.desc_type = APR_POLL_SOCKET;
connection->sock_pfd.reqevents = APR_POLLIN;
connection->sock_pfd.desc.s = connection->sock;
connection->sock_pfd.client_data = connection;
if(apt_poller_task_descriptor_add(agent->task, &connection->sock_pfd) != TRUE) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Add to Pollset %s",connection->id);
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return NULL;
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Established TCP/MRCPv2 Connection %s",connection->id);
connection->agent = agent;
APR_RING_INSERT_TAIL(&agent->connection_list,connection,mrcp_connection_t,link);
connection->parser = mrcp_parser_create(agent->resource_factory,connection->pool);
connection->generator = mrcp_generator_create(agent->resource_factory,connection->pool);
connection->tx_buffer_size = agent->tx_buffer_size;
connection->tx_buffer = apr_palloc(connection->pool,connection->tx_buffer_size+1);
connection->rx_buffer_size = agent->rx_buffer_size;
connection->rx_buffer = apr_palloc(connection->pool,connection->rx_buffer_size+1);
apt_text_stream_init(&connection->rx_stream,connection->rx_buffer,connection->rx_buffer_size);
if(apt_log_masking_get() != APT_LOG_MASKING_NONE) {
connection->verbose = FALSE;
mrcp_parser_verbose_set(connection->parser,TRUE);
mrcp_generator_verbose_set(connection->generator,TRUE);
}
return connection;
}
static apt_bool_t mrcp_server_agent_connection_accept(mrcp_connection_agent_t *agent)
{
char *local_ip = NULL;
char *remote_ip = NULL;
mrcp_connection_t *connection = mrcp_connection_create();
if(apr_socket_accept(&connection->sock,agent->listen_sock,connection->pool) != APR_SUCCESS) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Accept Connection");
mrcp_connection_destroy(connection);
return FALSE;
}
if(apr_socket_addr_get(&connection->r_sockaddr,APR_REMOTE,connection->sock) != APR_SUCCESS ||
apr_socket_addr_get(&connection->l_sockaddr,APR_LOCAL,connection->sock) != APR_SUCCESS) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Get Socket Address");
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return FALSE;
}
apr_sockaddr_ip_get(&local_ip,connection->l_sockaddr);
apr_sockaddr_ip_get(&remote_ip,connection->r_sockaddr);
apt_string_set(&connection->remote_ip,remote_ip);
connection->id = apr_psprintf(connection->pool,"%s:%hu <-> %s:%hu",
local_ip,connection->l_sockaddr->port,
remote_ip,connection->r_sockaddr->port);
if(apr_hash_count(agent->pending_channel_table) == 0) {
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Reject Unexpected TCP/MRCPv2 Connection %s",connection->id);
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return FALSE;
}
memset(&connection->sock_pfd,0,sizeof(apr_pollfd_t));
connection->sock_pfd.desc_type = APR_POLL_SOCKET;
connection->sock_pfd.reqevents = APR_POLLIN;
connection->sock_pfd.desc.s = connection->sock;
connection->sock_pfd.client_data = connection;
if(apt_poller_task_descriptor_add(agent->task, &connection->sock_pfd) != TRUE) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Add to Pollset %s",connection->id);
apr_socket_close(connection->sock);
mrcp_connection_destroy(connection);
return FALSE;
}
apt_log(APT_LOG_MARK,APT_PRIO_NOTICE,"Accepted TCP/MRCPv2 Connection %s",connection->id);
connection->agent = agent;
APR_RING_INSERT_TAIL(&agent->connection_list,connection,mrcp_connection_t,link);
connection->parser = mrcp_parser_create(agent->resource_factory,connection->pool);
connection->generator = mrcp_generator_create(agent->resource_factory,connection->pool);
connection->tx_buffer_size = agent->tx_buffer_size;
connection->tx_buffer = apr_palloc(connection->pool,connection->tx_buffer_size+1);
connection->rx_buffer_size = agent->rx_buffer_size;
connection->rx_buffer = apr_palloc(connection->pool,connection->rx_buffer_size+1);
apt_text_stream_init(&connection->rx_stream,connection->rx_buffer,connection->rx_buffer_size);
if(apt_log_masking_get() != APT_LOG_MASKING_NONE) {
connection->verbose = FALSE;
mrcp_parser_verbose_set(connection->parser,TRUE);
mrcp_generator_verbose_set(connection->generator,TRUE);
}
return TRUE;
}
