Mercurial > hg > RemoteEditor > REPSessionManager

annotate rep/handler/FirstConnector.java @ 384:bcdf5476b8e4

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restructured-version
author one@firefly.cr.ie.u-ryukyu.ac.jp
date Mon, 10 Nov 2008 22:16:37 +0900
parents 4b87f89b3afd
children 1fca50ce3508
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4b87f89b3afd REP Session Manager (Java version)
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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 public class FirstConnector extends Forwarder {
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13
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14 public FirstConnector(SessionManager manager) {
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15 super(manager);
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16 }
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17
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18 public void cancel(REPSocketChannel<REPCommand> socketChannel) {
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19 manager.remove(socketChannel);
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20 }
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21
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22 public void handle(REPSelectionKey<REPCommand> key) throws IOException {
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23 /*
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24 * 接続要求は、EditorかSlave Editorで、
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25 * 　　　join, put, sm_join
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26 * が来る。それ以外はエラー。master もありか?
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27 * sm_join_ack
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28 */
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29 REPNode fw;
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30 REPSocketChannel<REPCommand> channel = key.channel1();
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31 REPCommand command = channel.read();
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32 ServerMainLoop.logger.writeLog("FirstConnector: command = " + command);
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33 switch(command.cmd) {
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34 case SMCMD_JOIN:
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35 {
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36 //どのSessionにも属さないエディタをリストに追加
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37 //エディタとchannelは1対1 (ではないかも)
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38 //エディタが新しくputする場合は新しくソケットを作る
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39 // 1対1でない場合は、multiplexerを挿めば良い
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40 REPNode editor = manager.newEditor(channel);
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41 editor.setHost(manager.myHost());
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42 command.eid = editor.eid;
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43 command.sid = -1;
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44 editor.setSID(-1);
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45 fw = editor;
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46 break;
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47 }
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48 case SMCMD_PUT:
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49 {
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50 // 新しいeditorとsessionをここで作る。eid,sidは、
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51 // session manager IDが付いているので、global unique
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52 REPNode editor = manager.newEditor(channel);
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53 Session session = manager.newSession(editor);
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54 session.setName(command.string);
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55 editor.setName(command.string);
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56 editor.setSID(session.getSID());
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57 command.eid = editor.eid;
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58 command.sid = editor.sid;
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59 fw = editor;
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60 break;
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61 }
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62 case SMCMD_SM_JOIN:
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63 {
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64 fw = new Dispatcher(manager);
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65 manager.addWaitingSessionManager(fw, command);
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66 break;
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67 }
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68 case SMCMD_SM_JOIN_ACK:
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69 manager.setSessionManagerID(command.sid);
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70 manager.afterConnect();
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71 fw = new Dispatcher(manager);
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72 manager.setParent(fw);
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73 break;
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74 default: throw new IOException();
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75 }
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76 //myHost を設定。
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77 //立ち上げ時にやるとlocalhostしか取れない
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78 if(manager.myHost() == null) manager.setMyHostName(getLocalHostName());
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79 fw.setMode(command.cmd);
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80 fw.setHost(manager.myHost());
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81 manager.registerChannel(channel, fw);
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82 manager.sessionManage(fw, command);
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83
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84 }
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85
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86 }