public virtual void discover()
{
try
{
igd = new IGD();
ListenerThread listener = new ListenerThread(this, igd);
listener.Daemon = true;
listener.Name = "UPnP Discovery Listener";
listener.Start();
while (!listener.Ready)
{
Utilities.sleep(100);
}
foreach (string device in deviceList)
{
string discoveryRequest = string.Format("M-SEARCH * HTTP/1.1\r\nHOST: {0}:{1:D}\r\nST: {2}\r\nMAN: \"ssdp:discover\"\r\nMX: {3:D}\r\n\r\n", multicastIp, discoveryPort, device, discoveryTimeoutMillis / 1000);
IEnumerator <NetworkInterface> networkInterfaces = NetworkInterface.NetworkInterfaces;
while (networkInterfaces.MoveNext())
{
NetworkInterface networkInterface = networkInterfaces.Current;
if (networkInterface.Up && networkInterface.supportsMulticast())
{
for (IEnumerator <InetAddress> addresses = networkInterface.InetAddresses; addresses.MoveNext();)
{
InetAddress address = addresses.Current;
if (address is Inet4Address && !address.LoopbackAddress)
{
MulticastSocket socket = new MulticastSocket(new InetSocketAddress(address, discoverySearchPort));
InetSocketAddress socketAddress = new InetSocketAddress(multicastIp, discoveryPort);
DatagramPacket packet = new DatagramPacket(discoveryRequest.GetBytes(), discoveryRequest.Length, socketAddress);
socket.send(packet);
socket.disconnect();
socket.close();
}
}
}
}
}
for (int i = 0; i < discoveryTimeoutMillis / 10; i++)
{
if (listener.Done)
{
break;
}
Utilities.sleep(10, 0);
}
listener.Done = true;
while (!listener.Ready)
{
Utilities.sleep(100);
}
}
catch (IOException e)
{
Console.WriteLine("discover", e);
}
}
public ListenerThread(UPnP upnp, IGD igd)
{
this.upnp = upnp;
this.igd = igd;
}