Mercurial > 510Connectbot
annotate src/ch/ethz/ssh2/transport/TransportManager.java @ 280:51d5f434ef6b ganymed
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author | Carl Byington <carl@five-ten-sg.com> |
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date | Fri, 18 Jul 2014 17:00:35 -0700 |
parents | d7e088fa2123 |
children | 4ec87de11e71 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2006-2013 Christian Plattner. All rights reserved. |
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3 * Please refer to the LICENSE.txt for licensing details. |
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4 */ |
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5 |
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6 package ch.ethz.ssh2.transport; |
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7 |
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8 import java.io.IOException; |
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9 import java.io.InterruptedIOException; |
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10 import java.security.KeyPair; |
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11 import java.security.PrivateKey; |
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12 import java.security.interfaces.DSAPrivateKey; |
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13 import java.security.interfaces.ECPrivateKey; |
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14 import java.security.interfaces.RSAPrivateKey; |
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15 import java.net.Socket; |
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16 import java.util.ArrayList; |
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17 import java.util.List; |
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18 |
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19 import ch.ethz.ssh2.ConnectionInfo; |
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20 import ch.ethz.ssh2.ConnectionMonitor; |
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21 import ch.ethz.ssh2.DHGexParameters; |
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22 import ch.ethz.ssh2.PacketTypeException; |
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23 import ch.ethz.ssh2.compression.Compressor; |
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24 import ch.ethz.ssh2.crypto.CryptoWishList; |
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25 import ch.ethz.ssh2.crypto.cipher.BlockCipher; |
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26 import ch.ethz.ssh2.crypto.digest.MAC; |
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27 import ch.ethz.ssh2.log.Logger; |
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28 import ch.ethz.ssh2.packets.PacketDisconnect; |
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29 import ch.ethz.ssh2.packets.Packets; |
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30 import ch.ethz.ssh2.packets.TypesReader; |
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31 |
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32 /** |
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33 * Yes, the "standard" is a big mess. On one side, the say that arbitrary channel |
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34 * packets are allowed during kex exchange, on the other side we need to blindly |
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35 * ignore the next _packet_ if the KEX guess was wrong. Where do we know from that |
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36 * the next packet is not a channel data packet? Yes, we could check if it is in |
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37 * the KEX range. But the standard says nothing about this. The OpenSSH guys |
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38 * block local "normal" traffic during KEX. That's fine - however, they assume |
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39 * that the other side is doing the same. During re-key, if they receive traffic |
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40 * other than KEX, they become horribly irritated and kill the connection. Since |
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41 * we are very likely going to communicate with OpenSSH servers, we have to play |
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42 * the same game - even though we could do better. |
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43 * |
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44 * @author Christian Plattner |
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45 * @version $Id: TransportManager.java 161 2014-05-01 18:01:55Z dkocher@sudo.ch $ |
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46 */ |
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47 public abstract class TransportManager { |
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48 private static final Logger log = Logger.getLogger(TransportManager.class); |
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49 |
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50 private static final class HandlerEntry { |
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51 MessageHandler mh; |
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52 int low; |
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53 int high; |
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54 } |
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55 |
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56 /** |
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57 * Advertised maximum SSH packet size that the other side can send to us. |
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58 */ |
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59 public static final int MAX_PACKET_SIZE = 64 * 1024; |
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60 |
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61 private final List<AsynchronousEntry> asynchronousQueue |
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62 = new ArrayList<AsynchronousEntry>(); |
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63 |
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64 private Thread asynchronousThread = null; |
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65 private boolean asynchronousPending = false; |
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66 |
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67 private Socket socket; |
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68 |
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69 protected TransportManager(final Socket socket) { |
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70 this.socket = socket; |
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71 } |
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72 |
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73 private static final class AsynchronousEntry { |
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74 public byte[] message; |
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75 |
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76 public AsynchronousEntry(byte[] message) { |
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77 this.message = message; |
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78 } |
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79 } |
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80 |
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81 private final class AsynchronousWorker implements Runnable { |
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82 @Override |
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83 public void run() { |
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84 while(true) { |
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85 final AsynchronousEntry item; |
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86 synchronized(asynchronousQueue) { |
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87 if(asynchronousQueue.size() == 0) { |
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88 // Only now we may reset the flag, since we are sure that all queued items |
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89 // have been sent (there is a slight delay between de-queuing and sending, |
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90 // this is why we need this flag! See code below. Sending takes place outside |
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91 // of this lock, this is why a test for size()==0 (from another thread) does not ensure |
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92 // that all messages have been sent. |
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93 |
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94 asynchronousPending = false; |
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95 |
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96 // Notify any senders that they can proceed, all async messages have been delivered |
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97 |
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98 asynchronousQueue.notifyAll(); |
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99 |
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100 // After the queue is empty for about 2 seconds, stop this thread |
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101 try { |
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102 asynchronousQueue.wait(2000); |
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103 } |
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104 catch(InterruptedException ignore) { |
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105 // |
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106 } |
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107 if(asynchronousQueue.size() == 0) { |
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108 asynchronousThread = null; |
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109 return; |
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110 } |
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111 } |
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112 item = asynchronousQueue.remove(0); |
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113 } |
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114 try { |
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115 sendMessageImmediate(item.message); |
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116 } |
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117 catch(IOException e) { |
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118 // There is no point in handling it - it simply means that the connection has a problem and we should stop |
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119 // sending asynchronously messages. We do not need to signal that we have exited (asynchronousThread = null): |
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120 // further messages in the queue cannot be sent by this or any other thread. |
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121 // Other threads will sooner or later (when receiving or sending the next message) get the |
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122 // same IOException and get to the same conclusion. |
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123 log.warning(e.getMessage()); |
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124 return; |
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125 } |
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126 } |
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127 } |
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128 } |
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129 |
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130 private final Object connectionSemaphore = new Object(); |
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131 |
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132 private boolean flagKexOngoing; |
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133 |
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134 private boolean connectionClosed; |
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135 private IOException reasonClosedCause; |
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136 |
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137 private TransportConnection tc; |
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138 private KexManager km; |
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139 |
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140 private final List<HandlerEntry> messageHandlers |
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141 = new ArrayList<HandlerEntry>(); |
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142 |
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143 private List<ConnectionMonitor> connectionMonitors |
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144 = new ArrayList<ConnectionMonitor>(); |
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145 |
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146 protected void init(TransportConnection tc, KexManager km) { |
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147 this.tc = tc; |
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148 this.km = km; |
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149 } |
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150 |
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151 public int getPacketOverheadEstimate() { |
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152 return tc.getPacketOverheadEstimate(); |
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153 } |
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154 |
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155 public ConnectionInfo getConnectionInfo(int kexNumber) throws IOException { |
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156 return km.getOrWaitForConnectionInfo(kexNumber); |
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157 } |
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158 |
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159 public IOException getReasonClosedCause() { |
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160 synchronized(connectionSemaphore) { |
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161 return reasonClosedCause; |
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162 } |
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163 } |
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164 |
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165 public byte[] getSessionIdentifier() { |
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166 return km.sessionId; |
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167 } |
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168 |
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169 public void close() { |
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170 // It is safe now to acquire the semaphore. |
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171 synchronized(connectionSemaphore) { |
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172 if(!connectionClosed) { |
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173 try { |
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174 tc.sendMessage(new PacketDisconnect( |
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175 PacketDisconnect.Reason.SSH_DISCONNECT_BY_APPLICATION, "").getPayload()); |
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176 } |
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177 catch(IOException ignore) { |
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178 // |
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179 } |
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180 try { |
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181 socket.close(); |
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182 } |
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183 catch(IOException ignore) { |
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184 // |
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185 } |
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186 connectionClosed = true; |
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187 synchronized(this) { |
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188 for(ConnectionMonitor cmon : connectionMonitors) { |
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189 cmon.connectionLost(reasonClosedCause); |
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190 } |
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191 } |
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192 } |
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193 connectionSemaphore.notifyAll(); |
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194 } |
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195 } |
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196 |
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197 public void close(IOException cause) { |
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198 // Do not acquire the semaphore, perhaps somebody is inside (and waits until |
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199 // the remote side is ready to accept new data |
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200 try { |
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201 socket.close(); |
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202 } |
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203 catch(IOException ignore) { |
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204 } |
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205 // It is safe now to acquire the semaphore. |
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206 synchronized(connectionSemaphore) { |
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207 connectionClosed = true; |
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208 reasonClosedCause = cause; |
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209 connectionSemaphore.notifyAll(); |
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210 } |
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211 synchronized(this) { |
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|
212 for(ConnectionMonitor cmon : connectionMonitors) { |
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213 cmon.connectionLost(reasonClosedCause); |
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214 } |
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|
215 } |
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|
216 } |
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|
217 |
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218 protected void startReceiver() throws IOException { |
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219 final Thread receiveThread = new Thread(new Runnable() { |
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220 public void run() { |
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221 try { |
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222 receiveLoop(); |
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223 // Can only exit with exception |
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224 } |
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225 catch(IOException e) { |
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226 close(e); |
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227 log.warning(e.getMessage()); |
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228 // Tell all handlers that it is time to say goodbye |
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229 if(km != null) { |
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|
230 km.handleFailure(e); |
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|
231 } |
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|
232 for(HandlerEntry he : messageHandlers) { |
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|
233 he.mh.handleFailure(e); |
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|
234 } |
91a31873c42a
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|
235 } |
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|
236 if(log.isDebugEnabled()) { |
91a31873c42a
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|
237 log.debug("Receive thread: back from receiveLoop"); |
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|
238 } |
91a31873c42a
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|
239 } |
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|
240 }); |
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|
241 receiveThread.setName("Transport Manager"); |
91a31873c42a
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|
242 receiveThread.setDaemon(true); |
91a31873c42a
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changeset
|
243 receiveThread.start(); |
91a31873c42a
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|
244 } |
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|
245 |
91a31873c42a
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|
246 public void registerMessageHandler(MessageHandler mh, int low, int high) { |
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|
247 HandlerEntry he = new HandlerEntry(); |
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248 he.mh = mh; |
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249 he.low = low; |
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|
250 he.high = high; |
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|
251 |
91a31873c42a
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|
252 synchronized(messageHandlers) { |
91a31873c42a
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|
253 messageHandlers.add(he); |
91a31873c42a
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|
254 } |
91a31873c42a
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|
255 } |
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diff
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|
256 |
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diff
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|
257 public void removeMessageHandler(MessageHandler handler) { |
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|
258 synchronized(messageHandlers) { |
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|
259 for(int i = 0; i < messageHandlers.size(); i++) { |
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|
260 HandlerEntry he = messageHandlers.get(i); |
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|
261 if(he.mh == handler) { |
91a31873c42a
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|
262 messageHandlers.remove(i); |
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263 break; |
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264 } |
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265 } |
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266 } |
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267 } |
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268 |
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269 public void sendKexMessage(byte[] msg) throws IOException { |
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270 synchronized(connectionSemaphore) { |
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271 if(connectionClosed) { |
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272 throw reasonClosedCause; |
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273 } |
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274 flagKexOngoing = true; |
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275 try { |
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276 tc.sendMessage(msg); |
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277 } |
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278 catch(IOException e) { |
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279 close(e); |
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280 throw e; |
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281 } |
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282 } |
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283 } |
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284 |
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285 public void kexFinished() throws IOException { |
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286 synchronized(connectionSemaphore) { |
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287 flagKexOngoing = false; |
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288 connectionSemaphore.notifyAll(); |
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289 } |
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290 } |
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291 |
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292 /** |
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293 * @param cwl Crypto wishlist |
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294 * @param dhgex Diffie-hellman group exchange |
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295 * @param dsa may be null if this is a client connection |
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296 * @param rsa may be null if this is a client connection |
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297 * @throws IOException |
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298 */ |
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299 public void forceKeyExchange(CryptoWishList cwl, DHGexParameters dhgex, DSAPrivateKey dsa, RSAPrivateKey rsa) |
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300 throws IOException { |
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301 synchronized(connectionSemaphore) { |
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302 if(connectionClosed) { |
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303 // Inform the caller that there is no point in triggering a new kex |
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304 throw reasonClosedCause; |
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305 } |
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306 } |
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307 km.initiateKEX(cwl, dhgex, dsa, rsa); |
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308 } |
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309 |
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310 public void changeRecvCipher(BlockCipher bc, MAC mac) { |
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311 tc.changeRecvCipher(bc, mac); |
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312 } |
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313 |
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314 public void changeSendCipher(BlockCipher bc, MAC mac) { |
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315 tc.changeSendCipher(bc, mac); |
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316 } |
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317 |
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318 public void changeRecvCompression(Compressor comp) { |
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319 tc.changeRecvCompression(comp); |
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320 } |
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321 |
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322 public void changeSendCompression(Compressor comp) { |
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323 tc.changeSendCompression(comp); |
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324 } |
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325 |
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326 public void sendAsynchronousMessage(byte[] msg) throws IOException { |
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327 synchronized(asynchronousQueue) { |
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328 asynchronousQueue.add(new AsynchronousEntry(msg)); |
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329 asynchronousPending = true; |
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330 |
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331 /* This limit should be flexible enough. We need this, otherwise the peer |
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332 * can flood us with global requests (and other stuff where we have to reply |
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333 * with an asynchronous message) and (if the server just sends data and does not |
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334 * read what we send) this will probably put us in a low memory situation |
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335 * (our send queue would grow and grow and...) */ |
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336 |
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337 if(asynchronousQueue.size() > 100) { |
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338 throw new IOException("The peer is not consuming our asynchronous replies."); |
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339 } |
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340 |
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341 // Check if we have an asynchronous sending thread |
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342 if(asynchronousThread == null) { |
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343 asynchronousThread = new Thread(new AsynchronousWorker()); |
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344 asynchronousThread.setDaemon(true); |
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345 asynchronousThread.start(); |
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346 // The thread will stop after 2 seconds of inactivity (i.e., empty queue) |
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347 } |
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348 asynchronousQueue.notifyAll(); |
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349 } |
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350 } |
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351 |
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352 public void setConnectionMonitors(List<ConnectionMonitor> monitors) { |
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353 synchronized(this) { |
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354 connectionMonitors = new ArrayList<ConnectionMonitor>(); |
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355 connectionMonitors.addAll(monitors); |
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|
356 } |
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|
357 } |
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|
358 |
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359 /** |
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360 * Send a message but ensure that all queued messages are being sent first. |
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361 * |
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362 * @param msg Message |
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363 * @throws IOException |
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|
364 */ |
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|
365 public void sendMessage(byte[] msg) throws IOException { |
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366 synchronized(asynchronousQueue) { |
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|
367 while(asynchronousPending) { |
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|
368 try { |
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|
369 asynchronousQueue.wait(); |
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|
370 } |
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|
371 catch(InterruptedException e) { |
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|
372 throw new InterruptedIOException(e.getMessage()); |
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|
373 } |
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|
374 } |
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|
375 } |
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|
376 sendMessageImmediate(msg); |
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|
377 } |
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|
378 |
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|
379 /** |
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380 * Send message, ignore queued async messages that have not been delivered yet. |
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381 * Will be called directly from the asynchronousThread thread. |
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|
382 * |
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|
383 * @param msg Message |
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|
384 * @throws IOException |
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|
385 */ |
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|
386 public void sendMessageImmediate(byte[] msg) throws IOException { |
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|
387 synchronized(connectionSemaphore) { |
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|
388 while(true) { |
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|
389 if(connectionClosed) { |
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|
390 throw reasonClosedCause; |
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diff
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|
391 } |
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|
392 if(!flagKexOngoing) { |
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|
393 break; |
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|
394 } |
91a31873c42a
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|
395 try { |
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start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
396 connectionSemaphore.wait(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
397 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
398 catch(InterruptedException e) { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
399 throw new InterruptedIOException(e.getMessage()); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
400 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
401 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
402 |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
403 try { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
404 tc.sendMessage(msg); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
405 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
406 catch(IOException e) { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
407 close(e); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
408 throw e; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
409 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
410 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
411 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
412 |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
413 private void receiveLoop() throws IOException { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
414 while(true) { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
415 final byte[] buffer = new byte[MAX_PACKET_SIZE]; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
416 final int length = tc.receiveMessage(buffer, 0, buffer.length); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
417 final byte[] packet = new byte[length]; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
418 System.arraycopy(buffer, 0, packet, 0, length); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
419 final int type = packet[0] & 0xff; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
420 switch(type) { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
421 case Packets.SSH_MSG_IGNORE: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
422 break; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
423 case Packets.SSH_MSG_DEBUG: { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
424 TypesReader tr = new TypesReader(packet); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
425 tr.readByte(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
426 // always_display |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
427 tr.readBoolean(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
428 String message = tr.readString(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
429 if(log.isDebugEnabled()) { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
430 log.debug(String.format("Debug message from remote: '%s'", message)); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
431 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
432 break; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
433 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
434 case Packets.SSH_MSG_UNIMPLEMENTED: |
91a31873c42a
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Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
435 throw new PacketTypeException(type); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
436 case Packets.SSH_MSG_DISCONNECT: { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
437 final PacketDisconnect disconnect = new PacketDisconnect(packet); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
438 throw new DisconnectException(disconnect.getReason(), disconnect.getMessage()); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
439 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
440 case Packets.SSH_MSG_KEXINIT: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
441 case Packets.SSH_MSG_NEWKEYS: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
442 case Packets.SSH_MSG_KEXDH_INIT: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
443 case Packets.SSH_MSG_KEXDH_REPLY: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
444 case Packets.SSH_MSG_KEX_DH_GEX_REQUEST: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
445 case Packets.SSH_MSG_KEX_DH_GEX_INIT: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
446 case Packets.SSH_MSG_KEX_DH_GEX_REPLY: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
447 // Is it a KEX Packet |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
448 km.handleMessage(packet); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
449 break; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
450 case Packets.SSH_MSG_USERAUTH_SUCCESS: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
451 tc.startCompression(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
452 // Continue with message handlers |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
453 default: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
454 boolean handled = false; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
455 for(HandlerEntry handler : messageHandlers) { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
456 if((handler.low <= type) && (type <= handler.high)) { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
457 handler.mh.handleMessage(packet); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
458 handled = true; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
459 break; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
460 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
461 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
462 if(!handled) { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
463 throw new PacketTypeException(type); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
464 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
465 break; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
466 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
467 if(log.isDebugEnabled()) { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
468 log.debug(String.format("Handled packet %d", type)); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
469 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
470 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
471 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
472 } |