Mercurial > hg > blitz_stable

annotate src/org/dancres/blitz/remote/transport/ClientSessionHandler.java @ 32:243c74d599bf

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author Dan Creswell <dan.creswell@gmail.com>
date Sat, 12 Jun 2010 10:41:47 +0100
parents 3dc0c5604566
children
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1 package org.dancres.blitz.remote.transport;
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2
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3 import java.rmi.RemoteException;
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4
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5 import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap;
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6 import org.apache.mina.common.IoHandlerAdapter;
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7 import org.apache.mina.common.IoSession;
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8 import org.apache.mina.common.ByteBuffer;
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9 import org.apache.mina.util.SessionLog;
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10
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11 /**
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12 */
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13 public class ClientSessionHandler extends IoHandlerAdapter {
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14 private ConcurrentHashMap _requests = new ConcurrentHashMap();
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16 public void messageReceived(IoSession session, Object aMessage) {
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17 Message myMessage = (Message) aMessage;
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18
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19 int myConversationId = myMessage.getConversationId();
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20
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21 // System.err.println("Got response: " + myConversationId);
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22
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23 Ticket myTicket = (Ticket)
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24 _requests.get(new Integer(myConversationId));
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25
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26 if (myTicket != null)
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27 myTicket.postResponse(myMessage);
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28 }
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29
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30 public void exceptionCaught(IoSession session, Throwable cause) {
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31 SessionLog.warn(session, "Server error, disconnecting...", cause);
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32 session.close();
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33 }
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34
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35 Ticket getTicket(int aConversationId) {
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36 Ticket myTicket = new Ticket(aConversationId);
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37
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38 _requests.put(new Integer(aConversationId), myTicket);
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39 return myTicket;
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40 }
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41
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42 class Ticket {
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43 private int _conversationId;
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44 private Message _message;
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45
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46 Ticket(int aConversationId) {
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47 _conversationId = aConversationId;
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48 }
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49
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50 void postResponse(Message aMessage) {
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51 synchronized(this) {
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52 _message = aMessage;
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53 notify();
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54 }
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55 }
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56
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57 Message getResponse(long aWait) throws RemoteException {
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58 try {
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59 synchronized(this) {
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60 if (_message == null) {
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61 wait(aWait);
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62 }
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63
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64 return _message;
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65 }
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66 } catch(InterruptedException anIE) {
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67 throw new RemoteException("interrupted", anIE);
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68 } finally {
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69 _requests.remove(new Long(_conversationId));
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70 }
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71 }
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72 }
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73 }