Mercurial > hg > RemoteEditor > REPSessionManager

annotate rep/handler/Editor.java @ 399:19705f4b8015

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waitingCommandInMerge
author one
date Mon, 24 Nov 2008 23:11:51 +0900
parents 7de83b6a34e7
children 29f01a7ce71f
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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 protected List<PacketSet> waitingCommandInMerge= new LinkedList<PacketSet>();
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22 private REPCommand quit2=null;
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23 private boolean merging;
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24 private REPCommand preMergeCommand;
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25 public static boolean noMergeMode=false;
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26 static final boolean doOptimize = true;
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27
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28 public Editor(SessionManager manager,int editorNo){
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29 // no translator case
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30 super(manager, null);
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31 }
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32
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33 public Editor(int editorNo, SessionManager manager,REPSocketChannel<REPCommand> channel){
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34 super(editorNo,manager,channel);
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35 eid = editorNo;
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36 REPCommandOptimizer optimizer;
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37 if (doOptimize) optimizer = new DeleteInsertOptimizer(); //タカノがつくったおぷてぃまいざ
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38 else optimizer = new NullOptimizer(); //なにもしないけどOptimizer.
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39 translator = new Translator(eid,optimizer);
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40 }
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41
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42
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43 public void translate(REPCommand command){
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44 switch(command.cmd) {
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45 case REPCMD_INSERT_ACK:
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46 case REPCMD_DELETE_ACK:
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47 if (command.eid==eid) {
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48 // Second Phase が終わって同期が終了。
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49 return;
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50 }
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51 if (waitingRequired(command)) return;
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52 checkReturnedCommand(command);
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53 return;
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54 }
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55 if (command.eid == eid){
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56 //エディタからの新たな編集コマンド
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57 if (next==this) return; // singleton case
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58 translator.transSendCmd(command);
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59 sendEditorCommand(command);
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60 return;
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61 } else if (command.eid == REP.MERGE_EID.id){
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62 //マージコマンドが返ってきた
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63 if(translator.checkMergeConflict(command)){
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64 //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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65 translator.getMergeAgain(this);
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66 }
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67 checkEndMerge();
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68 } else if (command.eid == next.getEID()){
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69 // 次のEditorで一周するコマンドが来た
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70 // この方法、あんまり良くない...
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71 if (next==this) return; // singleton case
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72 // 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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73 if (next.isDirect()) {
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74 REPCommand keep;
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75 if (waitingRequired(command)) return;
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76 keep = new REPCommand(command);
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77 sentList.add(keep);
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78 checkDouble(sentList);
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79 next.forwardedCommandManage(command);
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80 // ((Editor) next).checkReturnedCommand(command);
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81 } else
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82 next.send(command);
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83 } else {
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84 //他のエディタからの編集コマンド
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85 if (waitingRequired(command)) return;
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86 translator.transReceiveCmd(next,command);
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87 if(command.cmd==REP.REPCMD_DELETE) {
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88 // delete のundo用の文字列は、外に出す意味はない
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89 command.string=null;
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90 }
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91 sendEditorCommand(command);
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92 }
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93 return;
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94 }
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95
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96 private void checkDouble(List<REPCommand> sentList) {
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97 if (sentList.size()==0) return;
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98 int count = 0;
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99 REPCommand f = sentList.get(0);
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100 for(REPCommand c:sentList) {
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101 if (c.eid==f.eid&&c.seq==f.seq) {
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102 count++;
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103 }
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104 }
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105 assert(count==1);
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106 }
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107
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108 private boolean waitingRequired(REPCommand command) {
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109 if (hasWaitingCommand()) {
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110 // We cannot do this operation before watingCommandQueue.
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111 addWaitingCommand(new PacketSet(channel, this, command));
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112 return true;
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113 } else if (isMerging()) {
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114 addWaitingCommand(new PacketSet(getChannel(), this, new REPCommand(command)));
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115 return true;
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116 }
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117 ServerMainLoop.logger.writeLog("Editor eid:"+eid+" no waiting");
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118 return false;
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119 }
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120
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121 public void addWaitingCommand(PacketSet set) {
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122 waitingCommandInMerge.add(set);
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123 }
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124
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125 private void sendEditorCommand(REPCommand command) {
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126 REPCommand keep = new REPCommand(command);
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127 sentList.add(keep);
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128 ServerMainLoop.logger.writeLog("Editor eid:"+eid+" sentList = "+sentList);
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129 checkDouble(sentList);
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130 assert(sentList.size()<limit);
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131 next.send(command);
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132 }
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133
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134 boolean merge(REPCommand command) {
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135 //マージして送信
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136 return translator.catchOwnCommand(this);
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137 }
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138
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139 /**
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140 * 一周して来たcommandの処理。
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141 * @param command
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142 */
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143 void checkReturnedCommand(REPCommand command) {
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144 assert(!merging);
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145 if (sentList.size()==0) {
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146 ServerMainLoop.logger.writeLog("Editor eid="+eid+" looped command not registered: "+command);
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147 assert(false);
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148 }
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149 REPCommand prev = sentList.remove(0);
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150 ServerMainLoop.logger.writeLog("Editor eid="+eid+" remove sentList:"+(prev==null?"null":prev));
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151 if (prev==null || prev.seq != command.seq || prev.eid!=command.eid) {
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152 String err = "Editor eid="+eid+" checkReturnedCommand() : command = " + command + " prev="+
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153 (prev==null?"null":prev)+" sentList=";
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154 err += sentList;
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155 ServerMainLoop.logger.writeLog(err);
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156 assert(false);
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157 }
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158 startMerge(command);
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159 return;
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160 }
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161
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162 private void startMerge(REPCommand command) {
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163 preMergeCommand = new REPCommand(command);
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164 preMergeCommand.string = "";
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165 // 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。
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 387
diff changeset
166 if (noMergeMode) {
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
167 endMerge();
391
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 387
diff changeset
168 return;
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 387
diff changeset
169 }
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
170 // START_MERGE を送る
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
171 // 送らないで良い場合もある?
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
172 REPCommand cmd = new REPCommand(REP.SMCMD_START_MERGE,command.sid,REP.SM_EID.id,seq(),0,"");
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
173 send(cmd);
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
174 merging = true;
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
175 // Session Manager 側で、このeditorへの他のeditorからの
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
176 // 入力を止めて、merge にそなえる。merge は、eidtor 側から
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
177 // ACKが来てから始まる。
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
178 translator.startMerge(cmd);
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 @Override
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
182 public void setQuit2(REPCommand cmd) {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
183 quit2 = cmd;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
184 checkQuit();
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
185 // 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
186 // command
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
187 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
188
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
189 @Override
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
190 public void setEID(int eid) {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
191 this.eid = eid;
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
192 if (translator!=null)
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
193 translator.setEid(eid);
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
194 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
195
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
196 public String toString(){
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
197 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
198 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
199
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
200 public boolean isMerging() {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
201 return translator.isMerging();
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
202 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
203
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
204
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
205
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
206 void checkEndMerge() {
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
207 if (merging) {
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
208 if(translator.isMerging()) return;
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
209 endMerge();
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
210 merging = false;
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
211 }
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
212 if (quit2!=null) checkQuit();
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
213 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
214
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
215 private void endMerge() {
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
216 REPCommand mergeEnd = new REPCommand(REP.SMCMD_END_MERGE,sid,eid,seq(),0,"");
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
217 send(mergeEnd);
397
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
218 if (preMergeCommand.eid==eid) {
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
219 // First Phase End, send ACK
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
220 REPCommand keep = new REPCommand(preMergeCommand);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
221 switch(keep.cmd) {
398
7de83b6a34e7 not yet fixed....
one
parents: 397
diff changeset
222 case REPCMD_INSERT: keep.cmd = REP.REPCMD_INSERT_ACK;break;
7de83b6a34e7 not yet fixed....
one
parents: 397
diff changeset
223 case REPCMD_DELETE: keep.cmd = REP.REPCMD_DELETE_ACK;break;
397
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
224 }
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
225 sentList.add(keep);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
226 ServerMainLoop.logger.writeLog("Editor eid:"+eid+" sentList = "+sentList);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
227 assert(sentList.size()<limit);
399
19705f4b8015 waitingCommandInMerge
one
parents: 398
diff changeset
228 checkDouble(sentList);
397
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
229 next.send(keep);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
230 } else {
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
231 next.send(preMergeCommand);
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
232 }
149c9a53fc37 half done ACK protocol
one
parents: 396
diff changeset
233 preMergeCommand = null;
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
234 }
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
235
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
236 private boolean checkQuit() {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
237 if (sentList.size()==0&&!isMerging()) {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
238 send(quit2);
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
239 quit2 = null;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
240 return true;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
241 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
242 return false;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
243 }
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 @Override
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
246 public boolean manage(REPCommand command) {
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
247
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
248
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
249 switch(command.cmd){
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
250 // Editor Command
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
251
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
252 case REPCMD_DELETE:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
253 case REPCMD_INSERT:
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
254 case REPCMD_DELETE_ACK:
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
255 case REPCMD_INSERT_ACK:
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
256 case REPCMD_NOP:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
257 {
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
258 translate(command);
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
259 break;
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
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
262 case SMCMD_START_MERGE_ACK:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
263 {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
264 // 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
265 translator.mergeAck();
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
266 if (!merge(command)) {
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
267 // nothing to do, send END_MERGE
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
268 checkEndMerge();
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
269 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
270 break;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
271 }
386
bba62c4ac323 sync-option
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 385
diff changeset
272
bba62c4ac323 sync-option
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 385
diff changeset
273 case SMCMD_SYNC:
bba62c4ac323 sync-option
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 385
diff changeset
274 if (isMaster())
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
275 send(command);
386
bba62c4ac323 sync-option
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 385
diff changeset
276 else
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
277 next.send(command);
386
bba62c4ac323 sync-option
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 385
diff changeset
278
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
279 case SMCMD_QUIT:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
280 {
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
281 next.send(command);
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
282 break;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
283 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
284 case SMCMD_QUIT_2:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
285 {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
286 // QUIT_2 is returned.
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
287 if (command.eid!=eid) {
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
288 // 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
289 // by QUIT_2_ACK
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
290 manager.remove(this);
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
291 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
292 // 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
293 // merge is processed.
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
294 // this does not work in distributed case.
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
295 if (next.isDirect())
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
296 next.setQuit2(command);
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
297 else
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
298 next.send(command);
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
299 break;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
300 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
301 case SMCMD_QUIT_2_ACK:
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
302 {
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
303 manager.remove(this);
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
304 break;
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 default:
396
dc616339b00a half done. returned command conflict.
one
parents: 395
diff changeset
307 assert false;
382
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
308 return false;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
309 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
310 return true;
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
311 }
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
312
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
313
4b87f89b3afd REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff changeset
314 @Override
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
315 public void handle(REPCommand command, REPSelectionKey<REPCommand> key) throws IOException {
391
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 387
diff changeset
316 ServerMainLoop.logger.writeLog("Manager "+manager.getId()+"read : command = " + command
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 387
diff changeset
317 +" from "+manager.editorList.editorByChannel(channel));
387
6f356d160e58 IPv6 any address
one@firefly.cr.ie.u-ryukyu.ac.jp
parents: 386
diff changeset
318 if (command.cmd==REP.SMCMD_JOIN||command.cmd==REP.SMCMD_PUT) {
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319 assert false;
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320 // 若干問題があるらしい
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321 next = new Forwarder(manager,next.channel);
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322 REPNode first = new FirstConnector(manager,channel);
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323 first.handle(command, key);
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324 key.attach(new Dispatcher(manager,channel));
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325 return;
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326 }
382
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327 if (manager.sessionManage(this, command)) return;
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328 manage(command);
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329 }
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330
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331 @Override
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332 public void cancel(REPSocketChannel<REPCommand> socketChannel) {
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333 manager.remove(socketChannel);
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334 }
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335
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336 public boolean isMaster() {
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337 return mode==REP.SMCMD_PUT;
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338 }
386
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339
382
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340
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341 /* Handle special case first, usually these cases
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342 * are handled in the next Editor in a session manager, but
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343 * it is forwarded here.
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344 */
385
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345 public void forwardedCommandManage(REPCommand command) {
399
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346 if (waitingRequired(command)) return;
382
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347 if (command.cmd==REP.SMCMD_QUIT_2) {
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348 // we have to wait next editor's finishing before sending this.
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349 // this is odd, but the editor itself does not know it's merging
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350 // state. Only this session manager knows it.
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351 setQuit2(command);
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352 } else if (command.eid==eid) {
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353 // if we handle in editor.manage(), this editor cannot distinguish this
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354 // and user input command from the editor.
399
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355 // REPCommand keep;
382
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356 switch(command.cmd) {
397
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357 case REPCMD_INSERT:
382
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358 case REPCMD_DELETE:
399
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359 // keep = new REPCommand(command);
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360 // sentList.add(keep);
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361 // ServerMainLoop.logger.writeLog("Editor eid:"+eid+" sentList = "+sentList);
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362 // checkDouble(sentList);
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363 case REPCMD_INSERT_ACK:
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364 case REPCMD_DELETE_ACK:
382
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365 checkReturnedCommand(command);
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366 return;
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367 }
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368 }
385
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diff changeset
369 send(command);
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370 }
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diff changeset
371
399
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diff changeset
372 /**
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373 * Check waiting command in merge
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374 * @return true if there is a processed waiting command
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375 * @throws IOException
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376 */
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diff changeset
377 public void checkWaitingCommandInMerge() {
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diff changeset
378 int count = waitingCommandInMerge.size();
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diff changeset
379 if (count==0) return;
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diff changeset
380 if (isMerging()) return;
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diff changeset
381 while(count++>0) {
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diff changeset
382 PacketSet p = waitingCommandInMerge.remove(0);
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diff changeset
383 try {
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diff changeset
384 // if (manager.sessionManage(e, p.command)) { // we don't need this
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diff changeset
385 // assert false;
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diff changeset
386 // return;
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387 // }
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diff changeset
388 manage(p.command);
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diff changeset
389 } catch (Exception e1) {
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diff changeset
390 // should be e.close()?
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diff changeset
391 manager.close(p.channel);
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392 }
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393 }
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394 }
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diff changeset
395
19705f4b8015 waitingCommandInMerge
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396
19705f4b8015 waitingCommandInMerge
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diff changeset
397 public boolean hasWaitingCommand() {
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diff changeset
398 return waitingCommandInMerge.size()>0;
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diff changeset
399 }
382
4b87f89b3afd REP Session Manager (Java version)
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400 }