public void ProcessRequest(HttpContext context)
{
Console.WriteLine(context.Request.RawUrl);
Console.WriteLine("!!!!!!!!!!!!!!!!!!!!!!!!");
if (context.Request.Path.StartsWith("/igddesc.xml/"))
{
SsdpDevice device = ssdp.FindDevice(context.Request.Path.Substring(13));
if (device == null)
{
Console.WriteLine("Could not find UPnP device.");
context.Response.RaiseError("Could not find UPnP device.", HttpStatusCode.NotFound);
}
else
{
Console.WriteLine("Sending XML...");
context.Response.ContentType = "text/xml";
context.Response.Write(device.ToSoapMessage());
Console.WriteLine(device.ToSoapMessage());
}
}
else
{
context.Response.RaiseError(HttpStatusCode.NotFound);
}
}
internal void NotifyDevice(SsdpDevice device, bool isAlive)
{
/*
* NOTIFY * HTTP/1.1
* HOST: 239.255.255.250:1900
* LOCATION: http://192.168.178.1:49000/igddesc.xml
* SERVER: Interactive UPnP/1.0 AVM FRITZ!Box Fon WLAN 7270 54.04.70
* CACHE-CONTROL: max-age=60
* NT: urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1
* NTS: ssdp:alive
* USN: uuid:75802409-bccb-40e7-8e6b-001F3FF667FC::urn:schemas-upnp-org:service:WAN
*/
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
s.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
s.ReceiveTimeout = 100;
List <string> res = new List <string>();
foreach (String address in _broadcastAddresses)
{
string req = string.Format(@"NOTIFY * HTTP/1.1
HOST: {0}:1900
LOCATION: http://{1}:{2}/igddesc.xml/{3}
SERVER: {5} UPnP/1.0 MFToolkit
CACHE-CONTROL: max-age=60
NT: upnp:rootdevice
NTS: ssdp:{6}
USN: {3}::upnp:rootdevice
",
address,
_http.Address.ToString(),
_http.Port,
device.UDN,
DeviceTypeHelper.GetDeviceType(device.Type),
device.Name,
(isAlive ? "alive" : "byebye"));
byte[] data = Encoding.ASCII.GetBytes(req);
byte[] buffer = new byte[1024];
for (int i = 0; i < 3; i++)
{
try
{
Console.WriteLine("Sending ssdp:" + (isAlive ? "alive" : "byebye") + " for " + device.Name + " (" + device.UDN + ")...");
s.SendTo(data, new IPEndPoint(IPAddress.Broadcast, 1900));
}
catch (Exception)
{
}
}
}
}
public void RegisterDevice(SsdpDevice device)
{
if (_deviceList == null)
{
_deviceList = new List <SsdpDevice>();
}
_deviceList.Add(device);
NotifyDevice(device, true);
}
public void UnregisterDevice(string udn)
{
SsdpDevice device = FindDevice(udn);
if (device == null)
{
return;
}
NotifyDevice(device, false);
_deviceList.Remove(device);
}