Пример #1
0
        private void EndReceiveOutgoing(IAsyncResult ar)
        {
            try
            {
                UdpClient   UdpClient = (UdpClient)ar.AsyncState;
                IPEndPoint  RemoteIP  = null;
                byte[]      Packet    = UdpClient.EndReceive(ar, ref RemoteIP);
                string      Header    = Encoding.ASCII.GetString(Packet);
                UPnPHeaders Headers   = new UPnPHeaders(Header);

                if (!(RemoteIP is null) && Headers.Direction == HttpDirection.Response && Headers.HttpVersion >= 1.0 && Headers.ResponseCode == 200)
                {
                    if (!string.IsNullOrEmpty(Headers.Location))
                    {
                        UPnPDeviceLocationEventHandler h = this.OnDeviceFound;
                        if (!(h is null))
                        {
                            DeviceLocation DeviceLocation = new DeviceLocation(this, Headers.SearchTarget, Headers.Server, Headers.Location,
                                                                               Headers.UniqueServiceName, Headers);
                            DeviceLocationEventArgs e = new DeviceLocationEventArgs(DeviceLocation, (IPEndPoint)UdpClient.Client.LocalEndPoint, RemoteIP);
                            try
                            {
                                h(this, e);
                            }
                            catch (Exception ex)
                            {
                                this.RaiseOnError(ex);
                            }
                        }
                    }
                }
                else if (Headers.Direction == HttpDirection.Request && Headers.HttpVersion >= 1.0)
                {
                    this.HandleIncoming(UdpClient, RemoteIP, Headers);
                }

                UdpClient.BeginReceive(this.EndReceiveOutgoing, UdpClient);
            }
Пример #2
0
		private void EndReceiveOutgoing(IAsyncResult ar)
		{
			try
			{
				UdpClient UdpClient = (UdpClient)ar.AsyncState;
				IPEndPoint RemoteIP = null;
				byte[] Packet = UdpClient.EndReceive(ar, ref RemoteIP);
				string Header = Encoding.ASCII.GetString(Packet);
				UPnPHeaders Headers = new UPnPHeaders(Header);

				if (RemoteIP != null && Headers.Direction == HttpDirection.Response && Headers.HttpVersion >= 1.0 && Headers.ResponseCode == 200)
				{
					if (!string.IsNullOrEmpty(Headers.Location))
					{
						UPnPDeviceLocationEventHandler h = this.OnDeviceFound;
						if (h != null)
						{
							DeviceLocation DeviceLocation = new DeviceLocation(this, Headers.SearchTarget, Headers.Server, Headers.Location,
								Headers.UniqueServiceName, Headers);
							DeviceLocationEventArgs e = new DeviceLocationEventArgs(DeviceLocation, (IPEndPoint)UdpClient.Client.LocalEndPoint, RemoteIP);
							try
							{
								h(this, e);
							}
							catch (Exception ex)
							{
								this.RaiseOnError(ex);
							}
						}
					}
				}
				else if (Headers.Direction == HttpDirection.Request && Headers.HttpVersion >= 1.0)
					this.HandleIncoming(UdpClient, RemoteIP, Headers);

				UdpClient.BeginReceive(this.EndReceiveOutgoing, UdpClient);
			}
			catch (Exception ex)
			{
				this.RaiseOnError(ex);
			}
		}
Пример #3
0
		private void upnpClient_OnDeviceFound(UPnPClient Sender, DeviceLocationEventArgs e)
		{
			try
			{
				lock (this.ipAddressesFound)
				{
					if (this.ipAddressesFound.ContainsKey(e.RemoteEndPoint.Address))
						return;

					this.ipAddressesFound[e.RemoteEndPoint.Address] = true;
				}

				e.Location.StartGetDevice(this.DeviceRetrieved, e);
			}
			catch (Exception ex)
			{
				this.exception = ex;
				this.State = PeerToPeerNetworkState.Error;
			}
		}