1 | package org.expeditee.network;
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2 |
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3 | import java.io.IOException;
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4 | import java.net.DatagramSocket;
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5 |
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6 | public abstract class DefaultServer extends Thread {
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7 |
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8 |
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9 | protected static final int MAX_PACKET_LENGTH = 64000;
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10 | protected static final int FRAMENAME_PACKET_LENGTH = 1000;
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11 |
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12 | private boolean _stop = false;
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13 | protected DatagramSocket socket = null;
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14 |
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15 | public DefaultServer() {
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16 | super();
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17 | }
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18 |
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19 | public DefaultServer(Runnable target) {
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20 | super(target);
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21 | }
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22 |
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23 | public DefaultServer(String name, int port) throws IOException {
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24 | super(name);
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25 | socket = new DatagramSocket(port);
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26 | }
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27 |
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28 | public DefaultServer(ThreadGroup group, Runnable target) {
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29 | super(group, target);
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30 | }
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31 |
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32 | public DefaultServer(ThreadGroup group, String name) {
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33 | super(group, name);
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34 | }
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35 |
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36 | public DefaultServer(Runnable target, String name) {
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37 | super(target, name);
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38 | }
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39 |
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40 | public DefaultServer(ThreadGroup group, Runnable target, String name) {
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41 | super(group, target, name);
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42 | }
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43 |
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44 | public DefaultServer(ThreadGroup group, Runnable target, String name,
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45 | long stackSize) {
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46 | super(group, target, name, stackSize);
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47 | }
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48 |
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49 | public void close() {
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50 | _stop = true;
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51 | }
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52 |
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53 | public void run() {
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54 | //MessageBay.displayMessage(this.getName() + " started on port "
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55 | // + socket.getLocalPort());
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56 |
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57 | while (!_stop) {
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58 | try {
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59 | listenForMessages();
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60 |
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61 | } catch (IOException e) {
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62 | e.printStackTrace();
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63 | }
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64 | }
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65 | socket.close();
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66 | }
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67 |
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68 | protected abstract void listenForMessages() throws IOException;
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69 |
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70 | } |
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