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annotate src/org/dancres/blitz/remote/nio/Txer.java @ 0:3dc0c5604566

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Initial checkin of blitz 2.0 fcs - no installer yet.
author Dan Creswell <dan.creswell@gmail.com>
date Sat, 21 Mar 2009 11:00:06 +0000
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3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
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1 package org.dancres.blitz.remote.nio;
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2
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3 import EDU.oswego.cs.dl.util.concurrent.QueuedExecutor;
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4
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5 import java.io.DataOutputStream;
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6 import java.io.OutputStream;
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7 import java.io.IOException;
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8
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9 /**
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
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10 * Client-side message transmitter. Accepts a unique id for the message
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
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11 * and the message itself. This message is then queued and sent asynchronously.
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12 */
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13 class Txer {
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14 private QueuedExecutor _sender;
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15 private DataOutputStream _socketTx;
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16
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17 Txer(OutputStream anOutgoing) {
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18 _socketTx = new DataOutputStream(anOutgoing);
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19 _sender = new QueuedExecutor();
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20 _sender.setThreadFactory(new DaemonThreadFactory());
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21 }
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22
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23 void send(int anId, byte[] anOp) throws InterruptedException {
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24 _sender.execute(new SendTask(anId, anOp));
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25 }
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26
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27 void halt() {
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28 _sender.shutdownNow();
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29 }
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30
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31 class SendTask implements Runnable {
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32 private int _id;
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33 private byte[] _op;
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34
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35 SendTask(int anId, byte[] anOp) {
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36 _id = anId;
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37 _op = anOp;
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38 }
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39
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40 public void run() {
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41 try {
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42 // System.err.println("Sending: " + _id + ", " + _op.length);
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43 _socketTx.writeInt(_id);
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44 _socketTx.writeInt(_op.length);
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45 _socketTx.write(_op);
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46 _socketTx.flush();
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47 // System.err.println("Done: " + _id);
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48 } catch (IOException anIOE) {
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49 System.err.println("Failed to send request:" + _id);
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50 anIOE.printStackTrace(System.err);
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51 }
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52 }
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53 }
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54 }