From f5de37553d04b3a263ff54aca7e319550cba66ad Mon Sep 17 00:00:00 2001
From: MW
Date: Sat, 19 May 2007 14:08:58 +0000
Subject: Moved CheckSumServer (and added UDPServerBase ) to OpenSim.Servers

---
 OpenSim.Servers/CheckSumServer.cs | 99 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 OpenSim.Servers/CheckSumServer.cs

(limited to 'OpenSim.Servers/CheckSumServer.cs')

diff --git a/OpenSim.Servers/CheckSumServer.cs b/OpenSim.Servers/CheckSumServer.cs
new file mode 100644
index 0000000..dc83192
--- /dev/null
+++ b/OpenSim.Servers/CheckSumServer.cs
@@ -0,0 +1,99 @@
+using System;
+using System.Text;
+using System.IO;
+using System.Threading;
+using System.Net;
+using System.Net.Sockets;
+using System.Timers;
+using System.Reflection;
+using System.Collections;
+using System.Collections.Generic;
+using libsecondlife;
+using libsecondlife.Packets;
+using OpenSim.Framework.Console;
+
+
+namespace OpenSim.Servers
+{
+    public class CheckSumServer : UDPServerBase
+    {
+        protected ConsoleBase m_console;
+
+        public CheckSumServer(int port, ConsoleBase console)
+        {
+            listenPort = port;
+            this.m_console = console;
+        }
+
+        protected override void OnReceivedData(IAsyncResult result)
+        {
+            ipeSender = new IPEndPoint(IPAddress.Any, 0);
+            epSender = (EndPoint)ipeSender;
+            Packet packet = null;
+            int numBytes = Server.EndReceiveFrom(result, ref epSender);
+            int packetEnd = numBytes - 1;
+
+            packet = Packet.BuildPacket(RecvBuffer, ref packetEnd, ZeroBuffer);
+
+            // do we already have a circuit for this endpoint
+            if (packet.Type == PacketType.SecuredTemplateChecksumRequest)
+            {
+                SecuredTemplateChecksumRequestPacket checksum = (SecuredTemplateChecksumRequestPacket)packet;
+                TemplateChecksumReplyPacket checkreply = new TemplateChecksumReplyPacket();
+                checkreply.DataBlock.Checksum = 180572585;
+                checkreply.DataBlock.Flags = 0;
+                checkreply.DataBlock.MajorVersion = 1;
+                checkreply.DataBlock.MinorVersion = 15;
+                checkreply.DataBlock.PatchVersion = 0;
+                checkreply.DataBlock.ServerVersion = 2;
+                checkreply.TokenBlock.Token = checksum.TokenBlock.Token;
+                this.SendPacket(checkreply, epSender);
+
+            }
+            else
+            { // invalid client
+                //  Console.Error.WriteLine("CheckSumServer.cs:OnReceivedData() - WARNING: Got a invalid packet from an invalid client - " + epSender.ToString());
+            }
+
+            Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
+        }
+
+
+        private void SendPacket(Packet Pack, EndPoint endp)
+        {
+            if (!Pack.Header.Resent)
+            {
+                // Set the sequence number
+
+                Pack.Header.Sequence = 1;
+
+            }
+            byte[] ZeroOutBuffer = new byte[4096];
+            byte[] sendbuffer;
+            sendbuffer = Pack.ToBytes();
+
+            try
+            {
+                if (Pack.Header.Zerocoded)
+                {
+                    int packetsize = Helpers.ZeroEncode(sendbuffer, sendbuffer.Length, ZeroOutBuffer);
+                    this.SendPackTo(ZeroOutBuffer, packetsize, SocketFlags.None, endp);
+                }
+                else
+                {
+                    this.SendPackTo(sendbuffer, sendbuffer.Length, SocketFlags.None, endp);
+                }
+            }
+            catch (Exception)
+            {
+                OpenSim.Framework.Console.MainConsole.Instance.WriteLine(OpenSim.Framework.Console.LogPriority.MEDIUM, "OpenSimClient.cs:ProcessOutPacket() - WARNING: Socket exception occurred on connection ");
+
+            }
+        }
+
+        private void SendPackTo(byte[] buffer, int size, SocketFlags flags, EndPoint endp)
+        {
+            this.Server.SendTo(buffer, size, flags, endp);
+        }
+    }
+}
\ No newline at end of file
-- 
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