/*----------------------------------------------------------------------
| PLT_UPnP::Start()
+---------------------------------------------------------------------*/
NPT_Result
PLT_UPnP::Start()
{
NPT_LOG_INFO("Starting UPnP...");
NPT_AutoLock lock(m_Lock);
if (m_Started == true) NPT_CHECK_SEVERE(NPT_ERROR_INVALID_STATE);
NPT_List<NPT_IpAddress> ips;
PLT_UPnPMessageHelper::GetIPAddresses(ips);
/* Create multicast socket and bind on 1900. If other apps didn't
play nicely by setting the REUSE_ADDR flag, this could fail */
NPT_UdpMulticastSocket* socket = new NPT_UdpMulticastSocket();
NPT_CHECK_SEVERE(socket->Bind(NPT_SocketAddress(NPT_IpAddress::Any, 1900), true));
/* Join multicast group for every ip we found */
NPT_CHECK_SEVERE(ips.ApplyUntil(PLT_SsdpInitMulticastIterator(socket),
NPT_UntilResultNotEquals(NPT_SUCCESS)));
/* create the ssdp listener */
m_SsdpListenTask = new PLT_SsdpListenTask(socket);
NPT_CHECK_SEVERE(m_TaskManager.StartTask(m_SsdpListenTask));
/* start devices & ctrlpoints */
// TODO: Starting devices and ctrlpoints could fail?
m_CtrlPoints.Apply(PLT_UPnP_CtrlPointStartIterator(m_SsdpListenTask));
m_Devices.Apply(PLT_UPnP_DeviceStartIterator(m_SsdpListenTask));
m_Started = true;
return NPT_SUCCESS;
}
NPT_UdpMulticastSocket* Server::getNewMulticastSocket()
{
NPT_NetworkInterface* serverInterface = gMS->serverInterface();
auto addresses = serverInterface->GetAddresses();
if (!addresses.GetFirstItem())
{
throw new std::runtime_error("No usable addresses found for UPnP multicast");
}
NPT_SocketAddress localAddress((*addresses.GetFirstItem()).GetPrimaryAddress(), 0);
NPT_UdpMulticastSocket* ssdpSocket = new NPT_UdpMulticastSocket();
ssdpSocket->Bind(localAddress, true);
ssdpSocket->SetTimeToLive(32);
return ssdpSocket;
}
/*----------------------------------------------------------------------
| GetEndPointStreams
+---------------------------------------------------------------------*/
static NPT_Result
GetEndPointStreams(EndPoint* endpoint,
NPT_InputStreamReference* input_stream,
NPT_OutputStreamReference* output_stream)
{
// default return values
if (input_stream) *input_stream = NULL;
if (output_stream) *output_stream = NULL;
switch (endpoint->type) {
case ENDPOINT_TYPE_UDP_CLIENT:
{
NPT_UdpSocket sender;
// info
if (Options.verbose) {
NPT_Debug("sending to %s on port %d\n",
endpoint->info.udp_client.hostname,
endpoint->info.udp_client.port);
}
// resolve name
NPT_IpAddress address;
NPT_CHECK(address.ResolveName(endpoint->info.udp_client.hostname));
// connect socket
NPT_CHECK(sender.Connect(NPT_SocketAddress(address,
endpoint->info.udp_client.port)));
// get the streams
if (input_stream) {
NPT_CHECK(sender.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(sender.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_TCP_CLIENT:
{
NPT_TcpClientSocket client;
// info
if (Options.verbose) {
NPT_Debug("connecting to %s on port %d\n",
endpoint->info.tcp_client.hostname,
endpoint->info.tcp_client.port);
}
// resolve the name
NPT_IpAddress address;
NPT_CHECK(address.ResolveName(endpoint->info.tcp_client.hostname));
// connect
NPT_CHECK(client.Connect(NPT_SocketAddress(address,
endpoint->info.tcp_client.port)));
// info
if (Options.verbose) {
NPT_Debug("connected\n");
}
// get the streams
if (input_stream) {
NPT_CHECK(client.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(client.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_MULTICAST_CLIENT:
{
NPT_UdpMulticastSocket sender;
// info
if (Options.verbose) {
NPT_Debug("sending to %s on port %d\n",
endpoint->info.multicast_client.groupname,
endpoint->info.multicast_client.port);
}
// set time to live
NPT_CHECK(sender.SetTimeToLive(endpoint->info.multicast_client.ttl));
// resolve name
NPT_IpAddress address;
NPT_CHECK(address.ResolveName(endpoint->info.multicast_client.groupname));
// connect socket
NPT_CHECK(sender.Connect(NPT_SocketAddress(address, endpoint->info.multicast_client.port)));
// get the streams
if (input_stream) {
NPT_CHECK(sender.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(sender.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_UDP_SERVER:
{
NPT_UdpSocket listener;
// info
if (Options.verbose) {
NPT_Debug("listening on port %d", endpoint->info.udp_server.port);
}
// listen on port, any addr
NPT_CHECK(listener.Bind(NPT_SocketAddress(NPT_IpAddress::Any, endpoint->info.udp_server.port)));
// get the streams
if (input_stream) {
NPT_CHECK(listener.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(listener.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_TCP_SERVER:
{
NPT_TcpServerSocket server;
NPT_Socket* client;
// info
if (Options.verbose) {
NPT_Debug("waiting for client on port %d\n",
endpoint->info.tcp_server.port);
}
// bind to the address
NPT_CHECK(server.Bind(NPT_SocketAddress(NPT_IpAddress::Any,
endpoint->info.tcp_server.port)));
// wait for connection
NPT_CHECK(server.WaitForNewClient(client));
// info
if (Options.verbose) {
NPT_Debug("client connected\n");
}
// get the streams
if (input_stream) {
NPT_CHECK(client->GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(client->GetOutputStream(*output_stream));
}
delete client;
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_MULTICAST_SERVER:
{
NPT_UdpMulticastSocket listener;
// info
if (Options.verbose) {
NPT_Debug("listening on port %d\n", endpoint->info.multicast_server.port);
}
// listen on port, any addr
NPT_CHECK(listener.Bind(NPT_SocketAddress(NPT_IpAddress::Any, endpoint->info.multicast_server.port)));
// info
if (Options.verbose) {
NPT_Debug("joining multicast group %s\n", endpoint->info.multicast_server.groupname);
}
// resolve name
NPT_IpAddress address;
NPT_CHECK(address.ResolveName(endpoint->info.multicast_server.groupname));
// join the group
NPT_CHECK(listener.JoinGroup(address));
// get the streams
if (input_stream) {
NPT_CHECK(listener.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(listener.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_FILE:
{
// create a file object
NPT_File file(endpoint->info.file.name);
if (endpoint->direction == ENDPOINT_DIRECTION_IN) {
NPT_CHECK(file.Open(NPT_FILE_OPEN_MODE_READ |
NPT_FILE_OPEN_MODE_UNBUFFERED));
} else {
NPT_CHECK(file.Open(NPT_FILE_OPEN_MODE_WRITE |
NPT_FILE_OPEN_MODE_CREATE|
NPT_FILE_OPEN_MODE_UNBUFFERED));
}
// get the streams
if (input_stream) {
NPT_CHECK(file.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(file.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_SERIAL_PORT:
{
// create a serial port object
NPT_SerialPort serial_port(endpoint->info.serial_port.name);
NPT_CHECK(serial_port.Open(endpoint->info.serial_port.speed));
// get the streams
if (input_stream) {
NPT_CHECK(serial_port.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(serial_port.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
}
return NPT_SUCCESS;
}