hawkeye camera support(not tested)

framework/Inspectron.HawkEye/Protocol/Discovery/DiscoveryServer.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Linq;
+using System.Net;
+using System.Net.NetworkInformation;
+using System.Net.Sockets;
+using System.Text;
+using System.Threading;
+
+namespace Inspectron.HawkEye.Protocol.Discovery
+{
+    public class DiscoveryServer
+    {
+        private UdpClient _server;
+        private byte[] _name;
+
+        public DiscoveryServer(int port,string name=null)
+        {
+            _server = new UdpClient(port);
+            
+            if(name==null)
+            { _name = Encoding.UTF8.GetBytes( NetworkInterface
+                .GetAllNetworkInterfaces()
+                .Where(nic => nic.OperationalStatus == OperationalStatus.Up && nic.NetworkInterfaceType != NetworkInterfaceType.Loopback)
+                .Select(nic => nic.GetPhysicalAddress().ToString())
+                .FirstOrDefault());
+
+            }
+            else
+            {
+                _name = Encoding.UTF8.GetBytes(name);
+            }
+            
+        }
+
+        public void Start()
+        {
+            Thread th = new Thread(DiscoveryLoop);
+            th.Start();
+        }
+        private void DiscoveryLoop()
+        {
+            while (true)
+            {
+                var clientEp = new IPEndPoint(IPAddress.Any, 0);
+                var clientRequestData = _server.Receive(ref clientEp);
+                var clientRequest = Encoding.ASCII.GetString(clientRequestData);
+
+                Console.WriteLine("Recived {0} from {1}, sending response", clientRequest, clientEp.Address.ToString());
+                _server.Send(_name, _name.Length, clientEp);
+                _server.Send(_name, _name.Length, clientEp);
+                _server.Send(_name, _name.Length, clientEp);
+            }
+        }
+    }
+}