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author | Johan Berntsson | 2008-03-04 05:31:54 +0000 |
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committer | Johan Berntsson | 2008-03-04 05:31:54 +0000 |
commit | 279e0061c515ee0a03036bef68eea9738273d785 (patch) | |
tree | 4502228eb7b87a760e0b0e67aded9d1d870d0bed /ThirdParty/3Di/LoadBalancer/TcpClient.cs | |
parent | Added copyright heaaders. Minor cleanup. (diff) | |
download | opensim-SC-279e0061c515ee0a03036bef68eea9738273d785.zip opensim-SC-279e0061c515ee0a03036bef68eea9738273d785.tar.gz opensim-SC-279e0061c515ee0a03036bef68eea9738273d785.tar.bz2 opensim-SC-279e0061c515ee0a03036bef68eea9738273d785.tar.xz |
Merged 3Di code that provides scene and avatar serialization, and plugin support for region move/split/merge. See ThirdParty/3Di/README.txt. Unless the new modules are used there should be no noticeable changes when running OpenSim.
Diffstat (limited to 'ThirdParty/3Di/LoadBalancer/TcpClient.cs')
-rw-r--r-- | ThirdParty/3Di/LoadBalancer/TcpClient.cs | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/ThirdParty/3Di/LoadBalancer/TcpClient.cs b/ThirdParty/3Di/LoadBalancer/TcpClient.cs new file mode 100644 index 0000000..9f62d33 --- /dev/null +++ b/ThirdParty/3Di/LoadBalancer/TcpClient.cs | |||
@@ -0,0 +1,240 @@ | |||
1 | /* | ||
2 | * Copyright (c) Contributors, http://opensimulator.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 | */ | ||
28 | |||
29 | using System; | ||
30 | using System.IO; | ||
31 | using System.Net; | ||
32 | using System.Net.Sockets; | ||
33 | using System.Threading; | ||
34 | using System.Text; | ||
35 | using System.Runtime.Serialization.Formatters.Binary; | ||
36 | |||
37 | namespace OpenSim.ApplicationPlugins.LoadBalancer { | ||
38 | public class AsynchronousClient { | ||
39 | private static ManualResetEvent connectDone = new ManualResetEvent(false); | ||
40 | private static ManualResetEvent sendDone = new ManualResetEvent(false); | ||
41 | private static ManualResetEvent receiveDone = new ManualResetEvent(false); | ||
42 | private static String response = String.Empty; | ||
43 | |||
44 | public static Socket StartClient(string hostname, int port) { | ||
45 | try { | ||
46 | IPHostEntry ipHostInfo = Dns.GetHostEntry(hostname); | ||
47 | IPAddress ipAddress = ipHostInfo.AddressList[0]; | ||
48 | IPEndPoint remoteEP = new IPEndPoint(ipAddress, port); | ||
49 | |||
50 | Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); | ||
51 | client.BeginConnect( remoteEP, new AsyncCallback(ConnectCallback), client); | ||
52 | connectDone.WaitOne(); | ||
53 | /* | ||
54 | Send(client,"This is a test<EOF>"); | ||
55 | sendDone.WaitOne(); | ||
56 | Receive(client); | ||
57 | receiveDone.WaitOne(); | ||
58 | client.Shutdown(SocketShutdown.Both); | ||
59 | client.Close(); | ||
60 | */ | ||
61 | return client; | ||
62 | } catch (Exception e) { | ||
63 | Console.WriteLine(e.ToString()); | ||
64 | throw new Exception("socket error !!"); | ||
65 | } | ||
66 | } | ||
67 | |||
68 | private static void ConnectCallback(IAsyncResult ar) { | ||
69 | try { | ||
70 | Socket client = (Socket) ar.AsyncState; | ||
71 | client.EndConnect(ar); | ||
72 | Console.WriteLine("Socket connected to {0}", client.RemoteEndPoint.ToString()); | ||
73 | connectDone.Set(); | ||
74 | } catch (Exception e) { | ||
75 | Console.WriteLine(e.ToString()); | ||
76 | } | ||
77 | } | ||
78 | |||
79 | /* | ||
80 | public static void Receive(Socket client) { | ||
81 | try { | ||
82 | StateObject state = new StateObject(); | ||
83 | state.workSocket = client; | ||
84 | client.BeginReceive( state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReceiveCallback), state); | ||
85 | } catch (Exception e) { | ||
86 | Console.WriteLine(e.ToString()); | ||
87 | } | ||
88 | } | ||
89 | |||
90 | private static void ReceiveCallback( IAsyncResult ar ) { | ||
91 | try { | ||
92 | StateObject state = (StateObject) ar.AsyncState; | ||
93 | Socket client = state.workSocket; | ||
94 | |||
95 | int bytesRead = client.EndReceive(ar); | ||
96 | if (bytesRead > 0) { | ||
97 | state.sb.Append(Encoding.ASCII.GetString(state.buffer,0,bytesRead)); | ||
98 | client.BeginReceive(state.buffer,0,StateObject.BufferSize,0, new AsyncCallback(ReceiveCallback), state); | ||
99 | } else { | ||
100 | if (state.sb.Length > 1) { | ||
101 | response = state.sb.ToString(); | ||
102 | } | ||
103 | receiveDone.Set(); | ||
104 | } | ||
105 | } catch (Exception e) { | ||
106 | Console.WriteLine(e.ToString()); | ||
107 | } | ||
108 | } | ||
109 | */ | ||
110 | public static void Send(Socket client, byte[] byteData) { | ||
111 | client.BeginSend(byteData, 0, byteData.Length, 0, new AsyncCallback(SendCallback), client); | ||
112 | } | ||
113 | |||
114 | private static void SendCallback(IAsyncResult ar) { | ||
115 | try { | ||
116 | Socket client = (Socket) ar.AsyncState; | ||
117 | int bytesSent = client.EndSend(ar); | ||
118 | //Console.WriteLine("Sent {0} bytes to server.", bytesSent); | ||
119 | sendDone.Set(); | ||
120 | } catch (Exception e) { | ||
121 | Console.WriteLine(e.ToString()); | ||
122 | } | ||
123 | } | ||
124 | } | ||
125 | |||
126 | public class InternalPacketHeader | ||
127 | { | ||
128 | private byte[] buffer = new byte[32]; | ||
129 | public int type; | ||
130 | public int throttlePacketType; | ||
131 | public int numbytes; | ||
132 | public Guid agent_id; | ||
133 | public int region_port; | ||
134 | |||
135 | public void FromBytes(byte[] bytes) | ||
136 | { | ||
137 | int i = 0; // offset | ||
138 | try | ||
139 | { | ||
140 | this.type = (int)(bytes[i++] + (bytes[i++] << 8) + (bytes[i++] << 16) + (bytes[i++] << 24)); | ||
141 | this.throttlePacketType = (int)(bytes[i++] + (bytes[i++] << 8) + (bytes[i++] << 16) + (bytes[i++] << 24)); | ||
142 | this.numbytes = (int)(bytes[i++] + (bytes[i++] << 8) + (bytes[i++] << 16) + (bytes[i++] << 24)); | ||
143 | this.agent_id = new Guid( | ||
144 | bytes[i++] | (bytes[i++] << 8) | (bytes[i++] << 16) | bytes[i++] << 24, | ||
145 | (short)(bytes[i++] | (bytes[i++] << 8)), | ||
146 | (short)(bytes[i++] | (bytes[i++] << 8)), | ||
147 | bytes[i++], bytes[i++], bytes[i++], bytes[i++], | ||
148 | bytes[i++], bytes[i++], bytes[i++], bytes[i++]); | ||
149 | this.region_port = (int)(bytes[i++] + (bytes[i++] << 8) + (bytes[i++] << 16) + (bytes[i++] << 24)); | ||
150 | } | ||
151 | catch (Exception) | ||
152 | { | ||
153 | throw new Exception("bad format!!!"); | ||
154 | } | ||
155 | } | ||
156 | |||
157 | public byte[] ToBytes() | ||
158 | { | ||
159 | int i = 0; | ||
160 | this.buffer[i++] = (byte)(this.type % 256); | ||
161 | this.buffer[i++] = (byte)((this.type >> 8) % 256); | ||
162 | this.buffer[i++] = (byte)((this.type >> 16) % 256); | ||
163 | this.buffer[i++] = (byte)((this.type >> 24) % 256); | ||
164 | |||
165 | this.buffer[i++] = (byte)(this.throttlePacketType % 256); | ||
166 | this.buffer[i++] = (byte)((this.throttlePacketType >> 8) % 256); | ||
167 | this.buffer[i++] = (byte)((this.throttlePacketType >> 16) % 256); | ||
168 | this.buffer[i++] = (byte)((this.throttlePacketType >> 24) % 256); | ||
169 | |||
170 | this.buffer[i++] = (byte)(this.numbytes % 256); | ||
171 | this.buffer[i++] = (byte)((this.numbytes >> 8) % 256); | ||
172 | this.buffer[i++] = (byte)((this.numbytes >> 16) % 256); | ||
173 | this.buffer[i++] = (byte)((this.numbytes >> 24) % 256); | ||
174 | |||
175 | // no endian care | ||
176 | Buffer.BlockCopy(agent_id.ToByteArray(), 0, this.buffer, i, 16); i += 16; | ||
177 | |||
178 | this.buffer[i++] = (byte)(this.region_port % 256); | ||
179 | this.buffer[i++] = (byte)((this.region_port >> 8) % 256); | ||
180 | this.buffer[i++] = (byte)((this.region_port >> 16) % 256); | ||
181 | this.buffer[i++] = (byte)((this.region_port >> 24) % 256); | ||
182 | |||
183 | return this.buffer; | ||
184 | } | ||
185 | } | ||
186 | public class TcpClient { | ||
187 | |||
188 | public static int internalPacketHeaderSize = 4*4 + 16*1; | ||
189 | |||
190 | private string mHostname; | ||
191 | private int mPort; | ||
192 | private Socket mConnection; | ||
193 | public TcpClient(string hostname, int port) { | ||
194 | this.mHostname = hostname; | ||
195 | this.mPort = port; | ||
196 | this.mConnection = null; | ||
197 | } | ||
198 | public void connect() { | ||
199 | this.mConnection = AsynchronousClient.StartClient(mHostname, mPort); | ||
200 | } | ||
201 | /* | ||
202 | public void recevie() { | ||
203 | if (mConnection == null) { | ||
204 | throw new Exception("client not initialized"); | ||
205 | } | ||
206 | try | ||
207 | { | ||
208 | AsynchronousClient.Receive(this.mConnection); | ||
209 | } | ||
210 | catch (Exception e) | ||
211 | { | ||
212 | Console.WriteLine(e.ToString()); | ||
213 | mConnection = null; | ||
214 | } | ||
215 | } | ||
216 | */ | ||
217 | public void send(InternalPacketHeader header, byte[] packet) { | ||
218 | |||
219 | lock (this) | ||
220 | { | ||
221 | |||
222 | if (mConnection == null) { | ||
223 | // throw new Exception("client not initialized"); | ||
224 | connect(); | ||
225 | } | ||
226 | |||
227 | AsynchronousClient.Send(this.mConnection, header.ToBytes()); | ||
228 | |||
229 | /* | ||
230 | for (int i = 0; i < 10; i++) | ||
231 | { | ||
232 | Console.Write(packet[i] + " "); | ||
233 | } | ||
234 | Console.WriteLine(""); | ||
235 | */ | ||
236 | AsynchronousClient.Send(this.mConnection, packet); | ||
237 | } | ||
238 | } | ||
239 | } | ||
240 | } | ||