internal void Discover(NetPeer peer)
{
string str =
"M-SEARCH * HTTP/1.1\r\n" +
"HOST: 239.255.255.250:1900\r\n" +
"ST:upnp:rootdevice\r\n" +
"MAN:\"ssdp:discover\"\r\n" +
"MX:3\r\n\r\n";
m_discoveryResponseDeadline = NetTime.Now + 6.0; // arbitrarily chosen number, router gets 6 seconds to respond
m_status = UPnPStatus.Discovering;
byte[] arr = System.Text.Encoding.UTF8.GetBytes(str);
m_peer.LogDebug("Attempting UPnP discovery");
peer.Socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
peer.RawSend(arr, 0, arr.Length, new NetEndPoint(NetUtility.GetBroadcastAddress(), 1900));
peer.Socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, false);
}
