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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
namespace OpenSim.Framework.Servers
{
/*
public class CheckSumServer : UDPServerBase
{
private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
public CheckSumServer(int port)
: base(port)
{
}
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);
if (packet.Type == PacketType.SecuredTemplateChecksumRequest)
{
SecuredTemplateChecksumRequestPacket checksum = (SecuredTemplateChecksumRequestPacket)packet;
TemplateChecksumReplyPacket checkreply = new TemplateChecksumReplyPacket();
checkreply.DataBlock.Checksum = 3220703154;//180572585;
checkreply.DataBlock.Flags = 0;
checkreply.DataBlock.MajorVersion = 1;
checkreply.DataBlock.MinorVersion = 15;
checkreply.DataBlock.PatchVersion = 0;
checkreply.DataBlock.ServerVersion = 0;
checkreply.TokenBlock.Token = checksum.TokenBlock.Token;
this.SendPacket(checkreply, epSender);
/*
//if we wanted to echo the the checksum/ version from the client (so that any client worked)
SecuredTemplateChecksumRequestPacket checkrequest = new SecuredTemplateChecksumRequestPacket();
checkrequest.TokenBlock.Token = checksum.TokenBlock.Token;
this.SendPacket(checkrequest, epSender);
}
else if (packet.Type == PacketType.TemplateChecksumReply)
{
//echo back the client checksum reply (Hegemon's method)
TemplateChecksumReplyPacket checksum2 = (TemplateChecksumReplyPacket)packet;
TemplateChecksumReplyPacket checkreply2 = new TemplateChecksumReplyPacket();
checkreply2.DataBlock.Checksum = checksum2.DataBlock.Checksum;
checkreply2.DataBlock.Flags = checksum2.DataBlock.Flags;
checkreply2.DataBlock.MajorVersion = checksum2.DataBlock.MajorVersion;
checkreply2.DataBlock.MinorVersion = checksum2.DataBlock.MinorVersion;
checkreply2.DataBlock.PatchVersion = checksum2.DataBlock.PatchVersion;
checkreply2.DataBlock.ServerVersion = checksum2.DataBlock.ServerVersion;
checkreply2.TokenBlock.Token = checksum2.TokenBlock.Token;
this.SendPacket(checkreply2, epSender);
}
else
{
}
Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
}
private void SendPacket(Packet Pack, EndPoint endp)
{
if (!Pack.Header.Resent)
{
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)
{
m_log.Warn("CheckSumServer.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);
}
* }
*/
}
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