Mercurial > hg > RemoteEditor > REPSessionManager

annotate rep/handler/Forwarder.java @ 382:4b87f89b3afd

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REP Session Manager (Java version) new structure
author one@firefly.cr.ie.u-ryukyu.ac.jp
date Mon, 10 Nov 2008 22:07:45 +0900
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children 1fca50ce3508
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4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
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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.PacketSet;
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6 import rep.REP;
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7 import rep.REPCommand;
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8 import rep.SessionManager;
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9 import rep.channel.REPLogger;
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10 import rep.channel.REPSelectionKey;
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11 import rep.channel.REPSocketChannel;
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12
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13 /**
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14 * @author kono
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15 * Forward Editor Command to the other Session Manager
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16 * Basic send API is supported.
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17 */
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18 public class Forwarder extends REPNode {
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19 int seq = 0;
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20 // REPCommands we sent to the next editor
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21 final int limit=100; // debugging purpose, assert check only
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22 final REPLogger ns = REPLogger.singleton();
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23 SessionManager manager;
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24 public REP mode = null;
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25
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26 public Forwarder(SessionManager manager) {
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27 this.manager = manager;
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28 }
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29
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30 public int seq() {
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31 return seq++;
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32 }
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33
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34 public void send(REPCommand command) {
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35 assert(command!=null);
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36 assert(channel!=null);
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37 REPCommand c = new REPCommand(command);
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38 manager.addWriteQueue(new PacketSet(channel,null, c));
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39 }
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40
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41 public void sendWithSeq(REPCommand command) {
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42 assert(command!=null);
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43 assert(channel!=null);
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44 REPCommand c = new REPCommand(command);
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45 c.setSEQID(seq());
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46 manager.addWriteQueue(new PacketSet(channel,null, c));
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47 }
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48
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49 public REPSocketChannel<REPCommand> getChannel() {
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50 return channel;
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51 }
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52
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53 public void setChannel(REPSocketChannel<REPCommand> channel) {
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54 this.channel = channel;
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55 }
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56
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57 public void setQuit2(REPCommand cmd) {
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58 send(cmd);
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59 }
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60
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61 public void setNext(Forwarder next) {
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62 this.next = next;
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63 }
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64
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65 public REPNode getNextForwarder() {
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66 return next;
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67 }
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68
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69 public boolean manage(REPCommand command) {
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70 next.send(command);
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71 return true;
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72 }
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73
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74 public String toString(){
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75 return ("Forwarder:" + channel);
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76 }
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77
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78 public String getLocalHostName() {
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79 return channel.getLocalHostName();
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80 }
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81
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82 public void cancel(REPSocketChannel<REPCommand> socketChannel) {
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83 manager.remove(socketChannel);
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84 }
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85
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86 public void handle(REPSelectionKey<REPCommand> key) throws IOException {
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87 assert false;
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88 }
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89
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90
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91 public boolean isMerging() {
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92 return false;
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93 }
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94
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95
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96 }