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-rw-r--r--OpenSim/Framework/Servers/CheckSumServer.cs127
1 files changed, 127 insertions, 0 deletions
diff --git a/OpenSim/Framework/Servers/CheckSumServer.cs b/OpenSim/Framework/Servers/CheckSumServer.cs
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1/*
2* Copyright (c) Contributors, http://www.openmetaverse.org/
3* See CONTRIBUTORS.TXT for a full list of copyright holders.
4*
5* Redistribution and use in source and binary forms, with or without
6* modification, are permitted provided that the following conditions are met:
7* * Redistributions of source code must retain the above copyright
8* notice, this list of conditions and the following disclaimer.
9* * Redistributions in binary form must reproduce the above copyright
10* notice, this list of conditions and the following disclaimer in the
11* documentation and/or other materials provided with the distribution.
12* * Neither the name of the OpenSim Project nor the
13* names of its contributors may be used to endorse or promote products
14* derived from this software without specific prior written permission.
15*
16* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
17* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*
27*/
28namespace OpenSim.Framework.Servers
29{/*
30 public class CheckSumServer : UDPServerBase
31 {
32 //protected ConsoleBase m_log;
33
34 public CheckSumServer(int port)
35 : base(port)
36 {
37 }
38
39 protected override void OnReceivedData(IAsyncResult result)
40 {
41 ipeSender = new IPEndPoint(IPAddress.Any, 0);
42 epSender = (EndPoint)ipeSender;
43 Packet packet = null;
44 int numBytes = Server.EndReceiveFrom(result, ref epSender);
45 int packetEnd = numBytes - 1;
46
47 packet = Packet.BuildPacket(RecvBuffer, ref packetEnd, ZeroBuffer);
48
49 if (packet.Type == PacketType.SecuredTemplateChecksumRequest)
50 {
51 SecuredTemplateChecksumRequestPacket checksum = (SecuredTemplateChecksumRequestPacket)packet;
52 TemplateChecksumReplyPacket checkreply = new TemplateChecksumReplyPacket();
53 checkreply.DataBlock.Checksum = 3220703154;//180572585;
54 checkreply.DataBlock.Flags = 0;
55 checkreply.DataBlock.MajorVersion = 1;
56 checkreply.DataBlock.MinorVersion = 15;
57 checkreply.DataBlock.PatchVersion = 0;
58 checkreply.DataBlock.ServerVersion = 0;
59 checkreply.TokenBlock.Token = checksum.TokenBlock.Token;
60 this.SendPacket(checkreply, epSender);
61
62 /*
63 //if we wanted to echo the the checksum/ version from the client (so that any client worked)
64 SecuredTemplateChecksumRequestPacket checkrequest = new SecuredTemplateChecksumRequestPacket();
65 checkrequest.TokenBlock.Token = checksum.TokenBlock.Token;
66 this.SendPacket(checkrequest, epSender);
67
68 }
69 else if (packet.Type == PacketType.TemplateChecksumReply)
70 {
71 //echo back the client checksum reply (Hegemon's method)
72 TemplateChecksumReplyPacket checksum2 = (TemplateChecksumReplyPacket)packet;
73 TemplateChecksumReplyPacket checkreply2 = new TemplateChecksumReplyPacket();
74 checkreply2.DataBlock.Checksum = checksum2.DataBlock.Checksum;
75 checkreply2.DataBlock.Flags = checksum2.DataBlock.Flags;
76 checkreply2.DataBlock.MajorVersion = checksum2.DataBlock.MajorVersion;
77 checkreply2.DataBlock.MinorVersion = checksum2.DataBlock.MinorVersion;
78 checkreply2.DataBlock.PatchVersion = checksum2.DataBlock.PatchVersion;
79 checkreply2.DataBlock.ServerVersion = checksum2.DataBlock.ServerVersion;
80 checkreply2.TokenBlock.Token = checksum2.TokenBlock.Token;
81 this.SendPacket(checkreply2, epSender);
82 }
83 else
84 {
85 }
86
87 Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
88 }
89
90 private void SendPacket(Packet Pack, EndPoint endp)
91 {
92 if (!Pack.Header.Resent)
93 {
94 Pack.Header.Sequence = 1;
95 }
96
97 byte[] ZeroOutBuffer = new byte[4096];
98 byte[] sendbuffer;
99 sendbuffer = Pack.ToBytes();
100
101 try
102 {
103 if (Pack.Header.Zerocoded)
104 {
105 int packetsize = Helpers.ZeroEncode(sendbuffer, sendbuffer.Length, ZeroOutBuffer);
106 this.SendPackTo(ZeroOutBuffer, packetsize, SocketFlags.None, endp);
107 }
108 else
109 {
110 this.SendPackTo(sendbuffer, sendbuffer.Length, SocketFlags.None, endp);
111 }
112 }
113 catch (Exception)
114 {
115 OpenSim.Framework.Console.MainLog.Instance.Warn("OpenSimClient.cs:ProcessOutPacket() - WARNING: Socket exception occurred on connection ");
116
117 }
118 }
119
120 private void SendPackTo(byte[] buffer, int size, SocketFlags flags, EndPoint endp)
121 {
122 this.Server.SendTo(buffer, size, flags, endp);
123 }
124 * }
125 */
126
127} \ No newline at end of file
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