Add Multiple transports system, begin work on WebSockets

HorseIsleServer/LibHISP/Server/Network/XmlSocket.cs

@@ -0,0 +1,38 @@
+using HISP.Security;
+using HISP.Util;
+using System.Text;
+
+namespace HISP.Server.Network
+{
+    public class XmlSocket : Transport
+    {
+        public override void ProcessReceivedPackets(int available, byte[] buffer)
+        {
+            // In XmlSocket Packets are terminates by 0x00 so we have to read until we receive that terminator
+            for (int i = 0; i < available; i++)
+            {
+                currentPacket.Add(buffer[i]);
+                if (buffer[i] == PacketBuilder.PACKET_TERMINATOR) // Read until \0...
+                {
+                    onReceiveCallback(currentPacket.ToArray());
+                    currentPacket.Clear();
+                }
+            }
+            
+            // Handle XMLSocket Policy File
+            if (Helper.ByteArrayStartsWith(buffer, Encoding.UTF8.GetBytes("<policy-file-request/>")))
+            {
+                this.Send(CrossDomainPolicy.GetPolicyFile());
+            }
+        }
+
+        public override string Name
+        {
+            get
+            {
+                return "XmlSocket";
+            }
+        }
+
+    }
+}