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authorAdam Frisby2008-04-29 14:10:26 +0000
committerAdam Frisby2008-04-29 14:10:26 +0000
commitde2ff8e626fbda32321ab00c55c85221881e8298 (patch)
tree0fd61dc5d5f99d8c8c791aae4931c4fb08e12ff7 /ThirdParty/3Di/LoadBalancer/TcpServer.cs
parent* Spring cleaning. (diff)
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* Little more spring cleaning.
Diffstat (limited to 'ThirdParty/3Di/LoadBalancer/TcpServer.cs')
-rw-r--r--ThirdParty/3Di/LoadBalancer/TcpServer.cs98
1 files changed, 61 insertions, 37 deletions
diff --git a/ThirdParty/3Di/LoadBalancer/TcpServer.cs b/ThirdParty/3Di/LoadBalancer/TcpServer.cs
index 6d45304..9722a1b 100644
--- a/ThirdParty/3Di/LoadBalancer/TcpServer.cs
+++ b/ThirdParty/3Di/LoadBalancer/TcpServer.cs
@@ -31,42 +31,58 @@ using System.Net;
31using System.Net.Sockets; 31using System.Net.Sockets;
32using System.Threading; 32using System.Threading;
33 33
34namespace OpenSim.ApplicationPlugins.LoadBalancer { 34namespace OpenSim.ApplicationPlugins.LoadBalancer
35 35{
36 public class StateObject { 36 public class StateObject
37 public Socket workSocket = null; 37 {
38 public const int BufferSize = 2048; 38 public const int BufferSize = 2048;
39 public byte[] buffer = new byte[BufferSize]; 39 public byte[] buffer = new byte[BufferSize];
40 public MemoryStream ms_ptr = new MemoryStream();
41 public InternalPacketHeader header = null; 40 public InternalPacketHeader header = null;
41 public MemoryStream ms_ptr = new MemoryStream();
42 public Socket workSocket = null;
42 } 43 }
43 44
44 public class AsynchronousSocketListener { 45 public class AsynchronousSocketListener
45 public static string data = null; 46 {
46 public static ManualResetEvent allDone = new ManualResetEvent(false); 47 public static ManualResetEvent allDone = new ManualResetEvent(false);
48 public static string data = null;
49
50 #region KIRYU
51
52 #region Delegates
47 53
48#region KIRYU
49 public delegate void PacketRecieveHandler(InternalPacketHeader header, byte[] buff); 54 public delegate void PacketRecieveHandler(InternalPacketHeader header, byte[] buff);
55
56 #endregion
57
50 public static PacketRecieveHandler PacketHandler = null; 58 public static PacketRecieveHandler PacketHandler = null;
51#endregion
52 59
53 public AsynchronousSocketListener() { } 60 #endregion
61
62 public AsynchronousSocketListener()
63 {
64 }
54 65
55 public static void StartListening(int port) { 66 public static void StartListening(int port)
67 {
56 IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName()); 68 IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
57 IPAddress ipAddress = ipHostInfo.AddressList[0]; 69 IPAddress ipAddress = ipHostInfo.AddressList[0];
58 IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port); 70 IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port);
59 71
60 Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp ); 72 Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
61 try { 73 try
74 {
62 listener.Bind(localEndPoint); 75 listener.Bind(localEndPoint);
63 listener.Listen(100); 76 listener.Listen(100);
64 while (true) { 77 while (true)
78 {
65 allDone.Reset(); 79 allDone.Reset();
66 listener.BeginAccept( new AsyncCallback(AcceptCallback), listener ); 80 listener.BeginAccept(new AsyncCallback(AcceptCallback), listener);
67 allDone.WaitOne(); 81 allDone.WaitOne();
68 } 82 }
69 } catch (Exception e) { 83 }
84 catch (Exception e)
85 {
70 Console.WriteLine(e.ToString()); 86 Console.WriteLine(e.ToString());
71 } 87 }
72 /* 88 /*
@@ -75,38 +91,41 @@ namespace OpenSim.ApplicationPlugins.LoadBalancer {
75 */ 91 */
76 } 92 }
77 93
78 public static void AcceptCallback(IAsyncResult ar) { 94 public static void AcceptCallback(IAsyncResult ar)
95 {
79 allDone.Set(); 96 allDone.Set();
80 Socket listener = (Socket) ar.AsyncState; 97 Socket listener = (Socket) ar.AsyncState;
81 Socket handler = listener.EndAccept(ar); 98 Socket handler = listener.EndAccept(ar);
82 StateObject state = new StateObject(); 99 StateObject state = new StateObject();
83 state.workSocket = handler; 100 state.workSocket = handler;
84 handler.BeginReceive( state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReadCallback), state); 101 handler.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReadCallback), state);
85 } 102 }
86 103
87 public static void ReadCallback(IAsyncResult ar) { 104 public static void ReadCallback(IAsyncResult ar)
105 {
88 StateObject state = (StateObject) ar.AsyncState; 106 StateObject state = (StateObject) ar.AsyncState;
89 Socket handler = state.workSocket; 107 Socket handler = state.workSocket;
90 108
91 try 109 try
92 { 110 {
93 int bytesRead = handler.EndReceive(ar); 111 int bytesRead = handler.EndReceive(ar);
94 112
95 //MainLog.Instance.Verbose("TCPSERVER", "Received packet [{0}]", bytesRead); 113 //MainLog.Instance.Verbose("TCPSERVER", "Received packet [{0}]", bytesRead);
96 114
97 if (bytesRead > 0) { 115 if (bytesRead > 0)
116 {
98 state.ms_ptr.Write(state.buffer, 0, bytesRead); 117 state.ms_ptr.Write(state.buffer, 0, bytesRead);
99 } 118 }
100 else 119 else
101 { 120 {
102 //MainLog.Instance.Verbose("TCPSERVER", "Connection terminated"); 121 //MainLog.Instance.Verbose("TCPSERVER", "Connection terminated");
103 return; 122 return;
104 } 123 }
105 124
106 long rest_size = state.ms_ptr.Length; 125 long rest_size = state.ms_ptr.Length;
107 long current_pos = 0; 126 long current_pos = 0;
108 while (rest_size > TcpClient.internalPacketHeaderSize) { 127 while (rest_size > TcpClient.internalPacketHeaderSize)
109 128 {
110 if ((state.header == null) && (rest_size >= TcpClient.internalPacketHeaderSize)) 129 if ((state.header == null) && (rest_size >= TcpClient.internalPacketHeaderSize))
111 { 130 {
112 //MainLog.Instance.Verbose("TCPSERVER", "Processing header"); 131 //MainLog.Instance.Verbose("TCPSERVER", "Processing header");
@@ -136,7 +155,7 @@ namespace OpenSim.ApplicationPlugins.LoadBalancer {
136 } 155 }
137 System.Console.WriteLine(); 156 System.Console.WriteLine();
138*/ 157*/
139 158
140 state.ms_ptr.Seek(0, SeekOrigin.End); 159 state.ms_ptr.Seek(0, SeekOrigin.End);
141 // call loadbarancer function 160 // call loadbarancer function
142 if (PacketHandler != null) 161 if (PacketHandler != null)
@@ -155,20 +174,18 @@ namespace OpenSim.ApplicationPlugins.LoadBalancer {
155 rest_size -= read_size; 174 rest_size -= read_size;
156 current_pos += read_size; 175 current_pos += read_size;
157 176
158 if (rest_size < TcpClient.internalPacketHeaderSize) { 177 if (rest_size < TcpClient.internalPacketHeaderSize)
159 178 {
160 byte[] rest_bytes = new byte[rest_size]; 179 byte[] rest_bytes = new byte[rest_size];
161 state.ms_ptr.Position = read_size; 180 state.ms_ptr.Position = read_size;
162 state.ms_ptr.Read(rest_bytes, 0, (int)rest_size); 181 state.ms_ptr.Read(rest_bytes, 0, (int) rest_size);
163 state.ms_ptr.Close(); 182 state.ms_ptr.Close();
164 state.ms_ptr = new MemoryStream(); 183 state.ms_ptr = new MemoryStream();
165 state.ms_ptr.Write(rest_bytes, 0, (int)rest_size); 184 state.ms_ptr.Write(rest_bytes, 0, (int) rest_size);
166 break; 185 break;
167 } 186 }
168 } 187 }
169
170 } // while (true) 188 } // while (true)
171
172 } 189 }
173 catch (Exception) 190 catch (Exception)
174 { 191 {
@@ -176,19 +193,26 @@ namespace OpenSim.ApplicationPlugins.LoadBalancer {
176 //MainLog.Instance.Verbose("TCPSERVER", e.StackTrace); 193 //MainLog.Instance.Verbose("TCPSERVER", e.StackTrace);
177 } 194 }
178 195
179 handler.BeginReceive( state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReadCallback), state); 196 handler.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReadCallback), state);
180 } 197 }
181 } 198 }
182 199
183 public class TcpServer { 200 public class TcpServer
201 {
184 private int mPort = 11000; 202 private int mPort = 11000;
185 public TcpServer() { 203
204 public TcpServer()
205 {
186 } 206 }
187 public TcpServer(int port) { 207
208 public TcpServer(int port)
209 {
188 mPort = port; 210 mPort = port;
189 } 211 }
190 public void start() { 212
213 public void start()
214 {
191 AsynchronousSocketListener.StartListening(mPort); 215 AsynchronousSocketListener.StartListening(mPort);
192 } 216 }
193 } 217 }
194} 218} \ No newline at end of file