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-rw-r--r--Common/OpenSim.Servers/UDPServerBase.cs103
1 files changed, 0 insertions, 103 deletions
diff --git a/Common/OpenSim.Servers/UDPServerBase.cs b/Common/OpenSim.Servers/UDPServerBase.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*/
28using System;
29using System.Text;
30using System.IO;
31using System.Threading;
32using System.Net;
33using System.Net.Sockets;
34using System.Timers;
35using System.Reflection;
36using System.Collections;
37using System.Collections.Generic;
38using libsecondlife;
39using libsecondlife.Packets;
40
41namespace OpenSim.Servers
42{
43 public class UDPServerBase
44 {
45 public Socket Server;
46 protected IPEndPoint ServerIncoming;
47 protected byte[] RecvBuffer = new byte[4096];
48 protected byte[] ZeroBuffer = new byte[8192];
49 protected IPEndPoint ipeSender;
50 protected EndPoint epSender;
51 protected AsyncCallback ReceivedData;
52 protected int listenPort;
53
54 public UDPServerBase(int port)
55 {
56 listenPort = port;
57 }
58
59 protected virtual void OnReceivedData(IAsyncResult result)
60 {
61 ipeSender = new IPEndPoint(IPAddress.Any, 0);
62 epSender = (EndPoint)ipeSender;
63 Packet packet = null;
64 int numBytes = Server.EndReceiveFrom(result, ref epSender);
65 int packetEnd = numBytes - 1;
66
67 packet = Packet.BuildPacket(RecvBuffer, ref packetEnd, ZeroBuffer);
68
69 Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
70 }
71
72 protected virtual void AddNewClient(Packet packet)
73 {
74 }
75
76 public virtual void ServerListener()
77 {
78
79 ServerIncoming = new IPEndPoint(IPAddress.Any, listenPort);
80 Server = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
81
82 /// Add this new socket to the list of sockets that was opened by the application. When the application
83 /// closes, either gracefully or not, all sockets can be cleaned up. Right now I am not aware of any method
84 /// to get all of the sockets for a process within .NET, but if so, this process can be refactored, as
85 /// socket registration would not be neccessary.
86 SocketRegistry.Register(Server);
87
88 Server.Bind(ServerIncoming);
89
90 ipeSender = new IPEndPoint(IPAddress.Any, 0);
91 epSender = (EndPoint)ipeSender;
92 ReceivedData = new AsyncCallback(this.OnReceivedData);
93 Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
94 }
95
96 public virtual void SendPacketTo(byte[] buffer, int size, SocketFlags flags, uint circuitcode)
97 {
98
99 }
100 }
101}
102
103