Mercurial > hg > RemoteEditor > REPSessionManager

annotate rep/handler/Editor.java @ 398:7de83b6a34e7

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not yet fixed....
author one
date Sun, 23 Nov 2008 18:38:52 +0900
parents 149c9a53fc37
children 19705f4b8015
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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 import java.util.LinkedList;
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5 import java.util.List;
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6
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7 import rep.PacketSet;
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8 import rep.REP;
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9 import rep.REPCommand;
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10 import rep.ServerMainLoop;
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11 import rep.SessionManager;
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12 import rep.channel.REPSelectionKey;
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13 import rep.channel.REPSocketChannel;
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14 import rep.optimizers.*;
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15
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16 public class Editor extends Forwarder {
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17
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18 private Translator translator;
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19 // REPCommands we are going to send to the next editor
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20 private List<REPCommand> sentList = new LinkedList<REPCommand>();
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21 private REPCommand quit2=null;
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22 private boolean merging;
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23 private REPCommand preMergeCommand;
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24 public static boolean noMergeMode=false;
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25 static final boolean doOptimize = true;
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26
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27 public Editor(SessionManager manager,int editorNo){
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28 // no translator case
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29 super(manager, null);
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30 }
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31
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32 public Editor(int editorNo, SessionManager manager,REPSocketChannel<REPCommand> channel){
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33 super(editorNo,manager,channel);
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34 eid = editorNo;
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35 REPCommandOptimizer optimizer;
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36 if (doOptimize) optimizer = new DeleteInsertOptimizer(); //タカノがつくったおぷてぃまいざ
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37 else optimizer = new NullOptimizer(); //なにもしないけどOptimizer.
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38 translator = new Translator(eid,optimizer);
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39 }
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40
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41
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42 public void translate(REPCommand command){
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43 switch(command.cmd) {
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44 case REPCMD_INSERT_ACK:
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45 case REPCMD_DELETE_ACK:
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46 if (command.eid==eid) {
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47 // Second Phase が終わって同期が終了。
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48 return;
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49 }
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50 if (waitingRequired(command)) return;
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51 checkReturnedCommand(command);
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52 return;
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53 }
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54 if (command.eid == eid){
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55 //エディタからの新たな編集コマンド
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56 if (next==this) return; // singleton case
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57 translator.transSendCmd(command);
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58 sendEditorCommand(command);
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59 return;
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60 } else if (command.eid == REP.MERGE_EID.id){
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61 //マージコマンドが返ってきた
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62 if(translator.checkMergeConflict(command)){
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63 //マージ中にエディタからの割り込みがあった場合
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64 translator.getMergeAgain(this);
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65 }
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66 checkEndMerge();
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67 } else if (command.eid == next.getEID()){
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68 // 次のEditorで一周するコマンドが来た
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69 // この方法、あんまり良くない...
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70 if (next==this) return; // singleton case
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71 // これは、distributed case では、うまくいかないので、送り先のforwarder で処理する。
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72 if (next.isDirect()) {
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73 REPCommand keep;
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74 if (waitingRequired(command)) return;
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75 keep = new REPCommand(command);
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76 sentList.add(keep);
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77 ServerMainLoop.logger.writeLog("Editor eid:"+eid+" sentList = "+sentList);
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78 ((Editor) next).checkReturnedCommand(command);
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79 } else
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80 next.send(command);
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81 } else {
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82 //他のエディタからの編集コマンド
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83 if (waitingRequired(command)) return;
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84 translator.transReceiveCmd(next,command);
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85 if(command.cmd==REP.REPCMD_DELETE) {
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86 // delete のundo用の文字列は、外に出す意味はない
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87 command.string=null;
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88 }
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89 sendEditorCommand(command);
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90 }
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91 return;
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92 }
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93
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94 private boolean waitingRequired(REPCommand command) {
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95 if (manager.hasWaitingCommand(channel)) {
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96 // We cannot do this operation before watingCommandQueue.
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97 manager.addWaitingCommand(new PacketSet(channel, this, command));
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98 return true;
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99 } else if (isMerging()) {
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100 manager.addWaitingCommand(new PacketSet(getChannel(), this, new REPCommand(command)));
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101 return true;
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102 }
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103 ServerMainLoop.logger.writeLog("Editor eid:"+eid+" no waiting");
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104 return false;
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105 }
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106
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107 private void sendEditorCommand(REPCommand command) {
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108 REPCommand keep = new REPCommand(command);
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109 sentList.add(keep);
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110 ServerMainLoop.logger.writeLog("Editor eid:"+eid+" sentList = "+sentList);
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111 assert(sentList.size()<limit);
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112 next.send(command);
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113 }
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114
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115 boolean merge(REPCommand command) {
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116 //マージして送信
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117 return translator.catchOwnCommand(this);
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118 }
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119
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120 /**
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121 * 一周して来たcommandの処理。
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122 * @param command
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123 */
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124 void checkReturnedCommand(REPCommand command) {
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125 REPCommand prev = sentList.remove(0);
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126 ServerMainLoop.logger.writeLog("Editor eid="+eid+" remove sentList:"+(prev==null?"null":prev));
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127 if (prev==null || prev.seq != command.seq || prev.eid!=command.eid) {
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128 String err = "Editor eid="+eid+" checkReturnedCommand() : command = " + command + " prev="+
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129 (prev==null?"null":prev)+" sentList=";
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130 err += sentList;
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131 ServerMainLoop.logger.writeLog(err);
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132 assert(false);
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133 }
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134 startMerge(command);
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135 return;
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136 }
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137
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138 private void startMerge(REPCommand command) {
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139 preMergeCommand = new REPCommand(command);
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140 preMergeCommand.string = "";
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141 // merge は必須だが、EditorのCommand実装をテストするには邪魔なので、off に出来るようにする。
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142 if (noMergeMode) {
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143 endMerge();
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144 return;
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145 }
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146 // START_MERGE を送る
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147 // 送らないで良い場合もある?
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148 REPCommand cmd = new REPCommand(REP.SMCMD_START_MERGE,command.sid,REP.SM_EID.id,seq(),0,"");
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149 send(cmd);
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150 merging = true;
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151 // Session Manager 側で、このeditorへの他のeditorからの
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152 // 入力を止めて、merge にそなえる。merge は、eidtor 側から
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153 // ACKが来てから始まる。
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154 translator.startMerge(cmd);
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155 }
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156
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one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
157 @Override
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
158 public void setQuit2(REPCommand cmd) {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
159 quit2 = cmd;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
160 checkQuit();
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
161 // do not send quit2 until we received all pending
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
162 // command
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
163 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
164
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
165 @Override
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
166 public void setEID(int eid) {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
167 this.eid = eid;
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
168 if (translator!=null)
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
169 translator.setEid(eid);
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
170 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
171
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
172 public String toString(){
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
173 return ("Editor eid="+eid+" sid="+sid+" " + host + ":" + file);
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
174 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
175
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
176 public boolean isMerging() {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
177 return translator.isMerging();
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
178 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
179
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
180
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
181
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
182 void checkEndMerge() {
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
183 if (merging) {
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
184 if(translator.isMerging()) return;
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
185 endMerge();
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
186 merging = false;
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
187 }
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
188 if (quit2!=null) checkQuit();
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
189 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
190
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
191 private void endMerge() {
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
192 REPCommand mergeEnd = new REPCommand(REP.SMCMD_END_MERGE,sid,eid,seq(),0,"");
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
193 send(mergeEnd);
397
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
194 if (preMergeCommand.eid==eid) {
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
195 // First Phase End, send ACK
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
196 REPCommand keep = new REPCommand(preMergeCommand);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
197 switch(keep.cmd) {
398
7de83b6a34e7 not yet fixed....
one
parents: 397
diff changeset
198 case REPCMD_INSERT: keep.cmd = REP.REPCMD_INSERT_ACK;break;
7de83b6a34e7 not yet fixed....
one
parents: 397
diff changeset
199 case REPCMD_DELETE: keep.cmd = REP.REPCMD_DELETE_ACK;break;
397
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
200 }
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
201 sentList.add(keep);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
202 ServerMainLoop.logger.writeLog("Editor eid:"+eid+" sentList = "+sentList);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
203 assert(sentList.size()<limit);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
204 next.send(keep);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
205 } else {
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
206 next.send(preMergeCommand);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
207 }
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
208 preMergeCommand = null;
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
209 }
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
210
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
211 private boolean checkQuit() {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
212 if (sentList.size()==0&&!isMerging()) {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
213 send(quit2);
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
214 quit2 = null;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
215 return true;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
216 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
217 return false;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
218 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
219
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
220 @Override
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
221 public boolean manage(REPCommand command) {
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
222
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
223
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
224 switch(command.cmd){
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
225 // Editor Command
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
226
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
227 case REPCMD_DELETE:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
228 case REPCMD_INSERT:
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
229 case REPCMD_DELETE_ACK:
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
230 case REPCMD_INSERT_ACK:
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
231 case REPCMD_NOP:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
232 {
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
233 translate(command);
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
234 break;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
235 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
236
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
237 case SMCMD_START_MERGE_ACK:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
238 {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
239 // マージの処理と次のエディタへコマンドを送信する処理
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
240 translator.mergeAck();
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
241 if (!merge(command)) {
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
242 // nothing to do, send END_MERGE
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
243 checkEndMerge();
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
244 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
245 break;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
246 }
386
bba62c4ac323 sync-option
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 385
diff changeset
247
bba62c4ac323 sync-option
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 385
diff changeset
248 case SMCMD_SYNC:
bba62c4ac323 sync-option
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 385
diff changeset
249 if (isMaster())
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
250 send(command);
386
bba62c4ac323 sync-option
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 385
diff changeset
251 else
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
252 next.send(command);
386
bba62c4ac323 sync-option
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 385
diff changeset
253
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
254 case SMCMD_QUIT:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
255 {
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
256 next.send(command);
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
257 break;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
258 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
259 case SMCMD_QUIT_2:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
260 {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
261 // QUIT_2 is returned.
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
262 if (command.eid!=eid) {
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
263 // stop this editor unless this is the start, starter will stopped
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
264 // by QUIT_2_ACK
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
265 manager.remove(this);
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
266 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
267 // don't send quit_2 directly to the editor until all pending
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
268 // merge is processed.
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
269 // this does not work in distributed case.
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
270 if (next.isDirect())
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
271 next.setQuit2(command);
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
272 else
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
273 next.send(command);
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
274 break;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
275 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
276 case SMCMD_QUIT_2_ACK:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
277 {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
278 manager.remove(this);
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
279 break;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
280 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
281 default:
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
282 assert false;
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
283 return false;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
284 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
285 return true;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
286 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
287
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
288
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
289 @Override
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
290 public void handle(REPCommand command, REPSelectionKey<REPCommand> key) throws IOException {
391
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 387
diff changeset
291 ServerMainLoop.logger.writeLog("Manager "+manager.getId()+"read : command = " + command
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 387
diff changeset
292 +" from "+manager.editorList.editorByChannel(channel));
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
293 if (command.cmd==REP.SMCMD_JOIN||command.cmd==REP.SMCMD_PUT) {
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
294 assert false;
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
295 // 若干問題があるらしい
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
296 next = new Forwarder(manager,next.channel);
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
297 REPNode first = new FirstConnector(manager,channel);
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
298 first.handle(command, key);
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
299 key.attach(new Dispatcher(manager,channel));
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
300 return;
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
301 }
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
302 if (manager.sessionManage(this, command)) return;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
303 manage(command);
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
304 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
305
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
306 @Override
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
307 public void cancel(REPSocketChannel<REPCommand> socketChannel) {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
308 manager.remove(socketChannel);
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
309 }
4b87f89b3afd REP Session Manager (Java version)
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310
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311 public boolean isMaster() {
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312 return mode==REP.SMCMD_PUT;
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313 }
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314
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315
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316 /* Handle special case first, usually these cases
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317 * are handled in the next Editor in a session manager, but
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318 * it is forwarded here.
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319 */
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320 public void forwardedCommandManage(REPCommand command) {
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321 if (command.cmd==REP.SMCMD_QUIT_2) {
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322 // we have to wait next editor's finishing before sending this.
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323 // this is odd, but the editor itself does not know it's merging
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324 // state. Only this session manager knows it.
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325 setQuit2(command);
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326 } else if (command.eid==eid) {
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327 // if we handle in editor.manage(), this editor cannot distinguish this
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328 // and user input command from the editor.
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329 REPCommand keep;
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330 switch(command.cmd) {
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331 case REPCMD_DELETE_ACK:
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332 case REPCMD_INSERT_ACK:
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333 checkReturnedCommand(command);
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334 return ;
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335 case REPCMD_INSERT:
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336 keep = new REPCommand(command);
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337 keep.cmd = REP.REPCMD_INSERT_ACK;
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338 sentList.add(keep);
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339 checkReturnedCommand(command);
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340 return;
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341 case REPCMD_DELETE:
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342 keep = new REPCommand(command);
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343 keep.cmd = REP.REPCMD_DELETE_ACK;
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344 sentList.add(keep);
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345 checkReturnedCommand(command);
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346 return;
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347 }
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348 }
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349 send(command);
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350 }
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351
382
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352 }