1 files changed, 110 insertions, 0 deletions
diff --git a/Mono.Nat/Upnp/Mappers/UpnpMapper.cs b/Mono.Nat/Upnp/Mappers/UpnpMapper.cs
new file mode 100644
index 000000000..6f2716805
--- /dev/null
+++ b/Mono.Nat/Upnp/Mappers/UpnpMapper.cs
@@ -0,0 +1,110 @@
+//
+// Authors:
+//   Nicholas Terry <nick.i.terry@gmail.com>
+//
+// Copyright (C) 2014 Nicholas Terry
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Net;
+using System.Net.Sockets;
+using System.Text;
+using System.Threading;
+
+namespace Mono.Nat.Upnp.Mappers
+{
+    internal class UpnpMapper : Upnp, IMapper
+    {
+
+        public event EventHandler<DeviceEventArgs> DeviceFound;
+
+        public UdpClient Client { get; set; }
+
+        public UpnpMapper()
+        {
+            //Bind to local port 1900 for ssdp responses
+            Client = new UdpClient(1900);
+        }
+
+        public void Map(IPAddress gatewayAddress)
+        {
+            //Get the httpu request payload
+            byte[] data = DiscoverDeviceMessage.EncodeUnicast(gatewayAddress);
+
+            Client.Send(data, data.Length, new IPEndPoint(gatewayAddress, 1900));
+
+            new Thread(Receive).Start(); 
+        }
+
+        public void Receive()
+        {
+            while (true)
+            {
+                IPEndPoint received = new IPEndPoint(IPAddress.Parse("192.168.0.1"), 5351);
+                if (Client.Available > 0)
+                {
+                    IPAddress localAddress = ((IPEndPoint)Client.Client.LocalEndPoint).Address;
+                    byte[] data = Client.Receive(ref received);
+                    Handle(localAddress, data, received);
+                }
+            }
+        }
+
+        public void Handle(IPAddress localAddres, byte[] response)
+        {
+            Handle(localAddres, response, null);
+        }
+
+        public void Handle(IPAddress localAddress, byte[] response, IPEndPoint endpoint)
+        {
+            // No matter what, this method should never throw an exception. If something goes wrong
+            // we should still be in a position to handle the next reply correctly.
+            try
+            {
+                UpnpNatDevice d = base.Handle(localAddress, response, endpoint);               
+                d.GetServicesList(DeviceSetupComplete);
+            }
+            catch (Exception ex)
+            {
+                Trace.WriteLine("Unhandled exception when trying to decode a device's response Send me the following data: ");
+                Trace.WriteLine("ErrorMessage:");
+                Trace.WriteLine(ex.Message);
+                Trace.WriteLine("Data string:");
+                Trace.WriteLine(Encoding.UTF8.GetString(response));
+            }
+        }
+
+        private void DeviceSetupComplete(INatDevice device)
+        {
+            OnDeviceFound(new DeviceEventArgs(device));
+        }
+
+        private void OnDeviceFound(DeviceEventArgs args)
+        {
+            if (DeviceFound != null)
+                DeviceFound(this, args);
+        }
+    }
+}