Mercurial > hg > RemoteEditor > REPSessionManager

annotate rep/handler/Dispatcher.java @ 387:6f356d160e58

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author one@firefly.cr.ie.u-ryukyu.ac.jp
date Mon, 10 Nov 2008 22:21:52 +0900
parents bba62c4ac323
children
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1 package rep.handler;
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2
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3 import java.io.IOException;
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4
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5 import rep.REPCommand;
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6 import rep.ServerMainLoop;
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7 import rep.Session;
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8 import rep.SessionManager;
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9 import rep.channel.REPSelectionKey;
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10 import rep.channel.REPSocketChannel;
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11
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12 /**
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13 * @author kono
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14 * Handle SessionManager incoming Channel
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15 * SessionManager Command and Multiplexed Editor Command come here.
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16 * Dispatch Editor command according to the session and the channel.
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17 */
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18 public class Dispatcher extends Forwarder {
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19
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20
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21 public Dispatcher(SessionManager manager,
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22 REPSocketChannel<REPCommand> channel) {
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23 super(manager, channel);
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24 }
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25
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26 public void setQuit2(REPCommand cmd) {
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27 send(cmd);
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28 }
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29
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30 public boolean manage(REPCommand command) {
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31 next.send(command);
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32 return true;
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33 }
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34
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35 public String toString(){
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36 return ("Dispatcher:" + channel);
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37 }
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38
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39
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40 @Override
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41 public void handle(REPCommand command, REPSelectionKey<REPCommand> key) throws IOException {
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42 /*
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43 * SessionManagerから来たコマンドは、Editor関係のコマンドは、
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44 * sessionとeidを判定して、そのeditorにforwardしてやれば良い。
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45 * 残りは、manager.manage() で処理する。
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46 */
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47 ServerMainLoop.logger.writeLog("REPHandlerImpl.handle() : command = " + command);
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48 if (manager.sessionManage(this, command)) return;
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49
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50 distpatchToEditor(channel, command);
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51 }
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52
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53 private void distpatchToEditor(REPSocketChannel<REPCommand> channel,
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54 REPCommand command) throws IOException {
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55 Session s = manager.getSession(command.sid);
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56 if (s==null) throw new IOException();
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57 REPNode f = s.getForwarder(channel);
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58 if (f==null) throw new IOException();
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59 if (!f.isDirect()) {
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60 // another forwarder, pass it to the next session manager
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61 f.send(command);
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62 return;
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63 }
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64 /*
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65 * local editor case.
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66 */
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67 Editor editor = (Editor)f;
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68 editor.forwardedCommandManage(command);
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69 }
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71
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72 public void setNext(REPNode f) {
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73 next = f;
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74 }
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75
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76 public boolean isMerging() {
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77 return false;
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78 }
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81 }