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0
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1 package rep;
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2
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3 import java.io.IOException;
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4 import java.net.InetSocketAddress;
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11
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5 import java.net.SocketAddress;
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111
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6 import java.nio.ByteBuffer;
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7 import java.nio.CharBuffer;
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2
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8 import java.nio.channels.SelectableChannel;
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0
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9 import java.nio.channels.SelectionKey;
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10 import java.nio.channels.Selector;
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11 import java.nio.channels.ServerSocketChannel;
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12 import java.nio.channels.SocketChannel;
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111
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13 import java.nio.charset.CharacterCodingException;
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14 import java.nio.charset.Charset;
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15 import java.nio.charset.CharsetEncoder;
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83
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16 import java.util.LinkedList;
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144
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17 import java.util.List;
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18 import java.util.Set;
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15
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19 import java.util.StringTokenizer;
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0
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20
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123
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21 import rep.channel.REPServerSocketChannel;
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133
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22 import rep.channel.REPSocketChannel;
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144
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23 import rep.handler.PacketSet;
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123
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24 import rep.simulator.REPSelector;
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56
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25 import rep.xml.SessionXMLDecoder;
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45
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26 import rep.xml.SessionXMLEncoder;
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27
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1
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28 //+-------+--------+--------+-------+--------+---------+------+
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29 //| cmd | session| editor | seqid | lineno | textsiz | text |
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30 //| | id | id | | | | |
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31 //+-------+--------+--------+-------+--------+---------+------+
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32 //o-------header section (network order)-------------o
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33 /*int cmd; // command
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101
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34 int sid; // session ID : uniqu to editing file
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123
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35 int eid; // editor ID : owner editor ID = 1。Session に対して unique
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122
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36 int seqno; // Sequence number : sequence number はエディタごとに管理
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1
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37 int lineno; // line number
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101
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38 int textsize; // textsize : bytesize
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1
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39 byte[] text;*/
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40
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8
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41 public class SessionManager implements ConnectionListener, REPActionListener{
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42
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43
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44 private SessionList sessionlist;
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144
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45 private List<Session> sessionList;
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83
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46 private SessionManagerGUI gui;
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2
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47 private Selector selector;
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7
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48 private SessionManagerList smList;
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49 private String myHost;
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21
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50 private boolean isMaster = true;
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51 private EditorList ownEditorList;
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52 private List<Editor> editorList;
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78
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53 private String maxHost;
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144
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54 //private Set<SelectionKey> sessionList;
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95
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55 private static int temp_port;
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56 private static int send_port;
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101
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57
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58 static final int DEFAULT_PORT = 8766;
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59
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2
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60 public SessionManager(int port) {
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61 gui = new SessionManagerGUI();
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62 }
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63
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64 public void openSelector() throws IOException{
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123
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65 //selector = Selector.open();
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66 selector = REPSelector.open();
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67 }
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68
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144
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69 public void mainLoop(int port) throws InterruptedException, IOException {
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2
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70
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140
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71 REPServerSocketChannel<REPCommand> ssc = new REPServerSocketChannel<REPCommand>().create();
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72
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73 ssc.configureBlocking(false); //reuse address 必須
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74
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75 ssc.socket().setReuseAddress(true);
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76
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77 ssc.socket().bind(new InetSocketAddress(port));
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78 ssc.register(selector, SelectionKey.OP_ACCEPT);
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6
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79
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80
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81 sessionlist = new SessionList();
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82 sessionList = new LinkedList<Session>();
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83 smList = new SessionManagerList();
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84 ownEditorList = new EditorList();
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85 editorList = new LinkedList<Editor>();
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86
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87 while(true){
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88 selector.select();
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144
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89 select();
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90 }
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91 }
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92
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93 private void select() throws IOException {
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94 for(SelectionKey key : selector.selectedKeys()){
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95 if(key.isAcceptable()){
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96 /*** serverChannelはenableになったSelectionKeyのchannel ***/
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97 ServerSocketChannel serverChannel = (ServerSocketChannel)key.channel();
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98 SocketChannel channel = serverChannel.accept(); //keyからchannelを取って、accept
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99 registerChannel (selector, channel, SelectionKey.OP_READ);
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100 channel = null;
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101
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102
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103 }else if(key.isReadable()){
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104
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105 REPSocketChannel<REPCommand> channel = (REPSocketChannel<REPCommand>)key.channel();
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106 REPPacketReceive receive = new REPPacketReceive(channel);
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107 receive.setkey(key);
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108 REPCommand receivedCommand = receive.unpackUConv();
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109 manage(channel, receivedCommand);
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110
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111
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112 }else if(key.isConnectable()){
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113 System.out.println("Connectable");
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114 }
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115 }
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116 }
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1
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117
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2
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118 private synchronized void registerChannel(Selector selector, SelectableChannel channel, int ops) throws IOException {
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119 if(channel == null) {
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120 return;
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121 }
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122 channel.configureBlocking(false);
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123 selector.wakeup();
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124 channel.register(selector, ops);
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125 }
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126
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144
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127 public void manage(REPSocketChannel<REPCommand> channel, REPCommand receivedCommand) {
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75
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128 if(receivedCommand == null) return;
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144
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129 //Editor editor;
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130 Session session;
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141
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131 REPCommand sendCommand = new REPCommand(receivedCommand);
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132 REPPacketSend send = new REPPacketSend(channel);
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133 //SessionXMLEncoder encoder = new SessionXMLEncoder();
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134
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135 switch(receivedCommand.cmd){
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136
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137 case REP.SMCMD_JOIN:
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144
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138 // editor = new Editor(channel);
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139 // editor.setHost(myHost);
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140 // int tempeid = ownEditorList.addEditor(editor);
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141 // gui.setComboEditor(tempeid, channel);
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142
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144
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143 editorList.add(new Editor(editorList.size(), channel));
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144
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38
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145 break;
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144
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146
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1
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147 case REP.SMCMD_JOIN_ACK:
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144
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148
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149 break;
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150
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151 case REP.SMCMD_PUT:
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152 // editor = new Editor(channel);
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153 // editor.setHost(myHost);
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154 // ownEditorList.addEditor(editor);
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155 // editor.setEID(1);
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156 // editor.setName(receivedCommand.string);
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157 // session = new Session(editor);
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158 // session.setOwner(true);
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159 // session.addEditor(editor);
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160 // sessionlist.addSession(session);
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161 // gui.setComboSession(session.getSID(), session.getName());
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162 // gui.setComboEditor(editor.getEID(), editor.getChannel());
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163 // session.addToRoutingTable(editor);
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164 // sendCommand.setCMD(REP.SMCMD_PUT_ACK);
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165 // sendCommand.setEID(1);
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166 // sendCommand.setSID(session.getSID());
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167 // editor.send(sendCommand);
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168
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169 // SessionXMLEncoder sessionEncoder = new SessionXMLEncoder(session);
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170 // REPCommand command = new REPCommand();
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171 // command.setSID(session.getSID());
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172 // command.setString(sessionEncoder.sessionListToXML());
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173
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174 // command.setCMD(REP.SMCMD_UPDATE);
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175 // smList.sendExcept(channel, command);
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176
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177 //エディタのリストに追加
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178 editorList.add(new Editor(editorList.size(), channel));
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179
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180 //Sessionを生成
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181 int sid = sessionList.size();
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182 sessionList.add(new Session(sid, new Editor(0, channel)));
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183
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38
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184 break;
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185
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186 case REP.SMCMD_SELECT:
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187 // editor = new Editor(channel);
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188 //
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189 // session = sessionlist.getSession(receivedCommand.sid);
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190 //
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191 // if(session.isOwner()){
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192 // int eid2 = session.addEditor(editor);
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193 // editor.setEID(eid2);
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194 // sendCommand.setCMD(REP.SMCMD_SELECT_ACK);
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195 // sendCommand.setEID(eid2);
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196 // send.send(sendCommand);
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197 // }else {
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198 // Editor master = session.getMaster();
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199 // master.send(receivedCommand);
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200 // session.addEditor(editor);
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201 // }
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202
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203 Editor editor = getEditor(channel);
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204 sessionList.get(receivedCommand.sid).addEditor(editor);
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205
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206 break;
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207
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208 case REP.SMCMD_SELECT_ACK:
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209
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85
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210 String hostport = receivedCommand.string;
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211 Editor editor2 = ownEditorList.getEditor(hostport);
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212 if(editor2 != null) {
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213 REPCommand command2 = new REPCommand();
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214 command2.setCMD(REP.SMCMD_JOIN_ACK);
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215 command2.setSID(receivedCommand.sid);
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85
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216 command2.setEID(receivedCommand.eid);
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217 editor2.send(command2);
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218 }else{
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219 smList.sendExcept(channel, receivedCommand);
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220 }
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221
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222 //receivedCommand.setCMD(REP.SMCMD_JOIN_ACK);
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223 //receivedCommand.setEID(receivedCommand.eid);
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224 //session = sessionlist.getSession(receivedCommand.sid);
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225 //session.sendToEditor(receivedCommand);
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226 //Editor editor3 = session3.getEditorList().get(0);
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227 //REPPacketSend send = new REPPacketSend(editor3.getChannel());
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228 //send.send(repCmd);
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229 break;
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230
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8
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231 case REP.SMCMD_SM_JOIN:
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232
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122
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233 //SessionManagerのリストへ追加
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234 smList.add(channel);
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235
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122
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236 //XMLからSessionListオブジェクトを生成する。
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237 SessionXMLDecoder decoder = new SessionXMLDecoder();
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79
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238 SessionList receivedSessionList = decoder.decode(receivedCommand.string);
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239
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122
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240 //SessionListへ追加し変換テーブルを生成する。
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241 sessionlist.update(channel, receivedSessionList);
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242
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122
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243 //myHost を設定。
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244 if(myHost == null) setMyHostName(getLocalHostName(channel));
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144
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245
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122
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246 //maxHost を設定。
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95
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247 if(setMaxHost(channel, receivedSessionList.getMaxHost())){
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248 sendCommand = new REPCommand();
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249 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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250 sendCommand.setString(maxHost);
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251 smList.sendExcept(channel, sendCommand);
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252 }
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144
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253
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122
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254 //SessionListからXMLを生成。
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255 //joinしてきたSessionManagerに対してACKを送信。
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256 SessionXMLEncoder sessionlistEncoder = new SessionXMLEncoder(sessionlist);
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257 sendCommand = new REPCommand();
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258 sendCommand.setCMD(REP.SMCMD_SM_JOIN_ACK);
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259 sendCommand.setString(sessionlistEncoder.sessionListToXML());
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260 send.send(sendCommand);
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261
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122
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262 //その他の SessionManager に対して SMCMD_UPDATEを 送信。
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263 sendCommand = new REPCommand();
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83
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264 sendCommand.setCMD(REP.SMCMD_UPDATE);
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78
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265 sendCommand.setString(receivedCommand.string);
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266 smList.sendExcept(channel, sendCommand);
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144
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267
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122
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268 //その他のSessionManagerに対してSMCMD_SM_JOINを送信。
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83
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269 //sendCommand = new REPCommand();
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270 //sendCommand.setCMD(REP.SMCMD_SM_JOIN);
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271 //sendCommand.setString(receivedCommand.string);
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272 //smList.sendExcept(channel, sendCommand);
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273
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31
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274 if(isMaster){
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45
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275 }else {
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31
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276 }
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144
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277
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8
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278 break;
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144
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279
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8
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280 case REP.SMCMD_SM_JOIN_ACK:
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144
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281
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122
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282 //XMLからSessionListオブジェクトを生成。
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82
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283 SessionXMLDecoder decoder2 = new SessionXMLDecoder();
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284 SessionList receivedSessionList2 = decoder2.decode(receivedCommand.string);
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144
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285
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122
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286 //maxHostを決定。
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95
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287 if(setMaxHost(channel, receivedSessionList2.getMaxHost())){
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288 sendCommand = new REPCommand();
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289 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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290 sendCommand.setString(maxHost);
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291 smList.sendExcept(channel, sendCommand);
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292 }
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144
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293
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38
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294 if(isMaster){
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39
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295 }else{
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38
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296 }
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144
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297
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6
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298 break;
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144
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299
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8
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300 case REP.SMCMD_UPDATE:
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144
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301
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99
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302 SessionXMLDecoder decoder3 = new SessionXMLDecoder();
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303 SessionList receivedSessionList3 = decoder3.decode(receivedCommand.string);
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144
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304
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122
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305 //SessionListへ追加し変換テーブルを生成する。
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99
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306 sessionlist.update(channel, receivedSessionList3);
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307
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99
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308 smList.sendExcept(channel, receivedCommand);
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309
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100
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310 for(Session session3 : receivedSessionList3.getList()){
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311 gui.setComboSession(session3.getSID(), session3.getName());
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312 }
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144
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313
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122
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314 //SessionのownerのEditor
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315 //editor = new Editor(channel);
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316 //editor.setName(receivedCommand.string);
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144
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317
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318
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319
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99
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320 //session = new Session(editor);
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321 //session.addEditor(editor);
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322
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99
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323 //sessionlist.addSession(session);
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144
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324
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99
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325 //gui.setComboSession(session.getSID(), session.getName());
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326
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83
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327 //if(isMaster){
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328 // receivedCommand.setCMD(REP.SMCMD_UPDATE_ACK);
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329 // smList.sendToSlave(receivedCommand);
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330 //}else{
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331 // receivedCommand.setCMD(REP.SMCMD_UPDATE);
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332 // smList.sendToMaster(receivedCommand);
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333 //}
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9
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334 break;
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144
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335
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9
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336 case REP.SMCMD_UPDATE_ACK:
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75
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337 if(receivedCommand.sid > sessionlist.getList().size()){
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73
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338 editor = new Editor(channel);
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75
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339 editor.setName(receivedCommand.string);
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144
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340
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73
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341 session = new Session(editor);
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342 session.addEditor(editor);
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144
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343
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73
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344 sessionlist.addSession(session);
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144
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345
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83
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346 gui.setComboSession(session.getSID(), session.getName());
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73
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347 }
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75
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348 smList.sendToSlave(receivedCommand);
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1
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349 break;
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144
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350
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351 // case REP.REPCMD_READ:
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108
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352 // //sessionlist.sendCmd(channel, repCmd);
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353 // break;
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144
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354
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95
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355 case REP.SMCMD_CH_MASTER:
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122
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356 //maxHost を設定。
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95
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357 if(setMaxHost(channel, receivedCommand.string)){
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358 sendCommand = new REPCommand();
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359 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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360 sendCommand.setString(maxHost);
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361 smList.sendExcept(channel, sendCommand);
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362 }
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363 break;
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144
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364
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122
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365 case REP.SMCMD_GET_UNDO_ACK:
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366 editor = ownEditorList.getEditor(channel);
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367 break;
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144
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368
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0
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369 default:
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144
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370 //sid から Session を取得
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371 session = getSession(receivedCommand.sid);
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372 //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
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373 session.translate(channel, receivedCommand);
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374 break;
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375 }
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376 }
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377
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378 private Editor getEditor(REPSocketChannel<REPCommand> channel) {
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379 // TODO Auto-generated method stub
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380 for(Editor editor : editorList){
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381 if(editor.getChannel() == channel){
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382 return editor;
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122
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383 }
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0
|
384 }
|
|
144
|
385 return null;
|
|
|
386 }
|
|
|
387
|
|
|
388 private Session getSession(int sid) {
|
|
|
389 for(Session session : sessionList){
|
|
|
390 if(session.getSID() == sid) return session;
|
|
|
391 }
|
|
|
392 return null;
|
|
0
|
393 }
|
|
83
|
394
|
|
139
|
395 private boolean setMaxHost(REPSocketChannel channel, String maxHost2) {
|
|
|
396 // TODO Auto-generated method stub
|
|
|
397 return false;
|
|
|
398 }
|
|
|
399
|
|
122
|
400 private int reverseCmd(int cmd) {
|
|
|
401 int kindOfCmd = 0;
|
|
|
402 switch(cmd){
|
|
|
403 case REP.REPCMD_INSERT:
|
|
|
404 kindOfCmd = REP.REPCMD_DELETE;
|
|
|
405 break;
|
|
|
406 case REP.REPCMD_DELETE:
|
|
|
407 kindOfCmd = REP.REPCMD_INSERT;
|
|
|
408 break;
|
|
|
409 case REP.REPCMD_REPLACE:
|
|
|
410 kindOfCmd = REP.REPCMD_REPLACE;
|
|
|
411 break;
|
|
|
412 }
|
|
|
413 return kindOfCmd;
|
|
|
414 }
|
|
|
415
|
|
111
|
416
|
|
78
|
417
|
|
76
|
418 private void setMyHostName(String localHostName) {
|
|
95
|
419 myHost = localHostName + temp_port;
|
|
81
|
420 if(maxHost == null) {
|
|
|
421 maxHost = myHost;
|
|
|
422 sessionlist.setMaxHost(maxHost);
|
|
|
423 }
|
|
122
|
424 ownEditorList.setHost(myHost);
|
|
76
|
425 }
|
|
0
|
426
|
|
139
|
427 private void setMaster(boolean b, REPSocketChannel channel) {
|
|
75
|
428 isMaster = b;
|
|
|
429 System.out.println("isMaster = " + b);
|
|
77
|
430 smList.setMaster(channel);
|
|
75
|
431 }
|
|
|
432
|
|
0
|
433 public static void main(String[] args) throws InterruptedException, IOException {
|
|
101
|
434 int port = DEFAULT_PORT;
|
|
|
435 int port_s = DEFAULT_PORT;
|
|
113
|
436 //System.setProperty("file.encoding", "UTF-8");
|
|
82
|
437 if(args.length > 0){
|
|
39
|
438 port = Integer.parseInt(args[0]);
|
|
95
|
439 port_s = Integer.parseInt(args[1]);
|
|
0
|
440 }
|
|
95
|
441 temp_port = port;
|
|
|
442 send_port = port_s;
|
|
0
|
443 SessionManager sm = new SessionManager(port);
|
|
2
|
444 sm.openSelector();
|
|
|
445 sm.openWindow();
|
|
144
|
446 sm.mainLoop(port);
|
|
0
|
447 }
|
|
|
448
|
|
2
|
449 private void openWindow() {
|
|
83
|
450 Thread th = new Thread( gui );
|
|
2
|
451 th.start();
|
|
75
|
452 //System.out.println(sessionmanagerGUI.toString());
|
|
83
|
453 gui.addConnectionListener(this);
|
|
|
454 gui.addREPActionListener(this);
|
|
2
|
455 }
|
|
|
456
|
|
|
457 private void connectSession(String host) {
|
|
101
|
458 int port = DEFAULT_PORT;
|
|
95
|
459 port = send_port;
|
|
1
|
460 InetSocketAddress addr = new InetSocketAddress(host, port);
|
|
|
461 try {
|
|
140
|
462 REPSocketChannel sessionchannel = new REPSocketChannel<REPCommand>().create();
|
|
1
|
463 sessionchannel.configureBlocking(true);
|
|
|
464 sessionchannel.connect(addr);
|
|
6
|
465 while(!sessionchannel.finishConnect()){
|
|
77
|
466 System.out.print("test afro");
|
|
6
|
467 }
|
|
|
468 System.out.println("");
|
|
2
|
469 registerChannel(selector, sessionchannel, SelectionKey.OP_READ);
|
|
45
|
470
|
|
77
|
471 sm_join(sessionchannel);
|
|
45
|
472
|
|
1
|
473 }catch (IOException e) {
|
|
|
474 e.printStackTrace();
|
|
|
475 }
|
|
|
476 }
|
|
77
|
477
|
|
139
|
478 private void sm_join(REPSocketChannel channel){
|
|
79
|
479
|
|
122
|
480 //SM_JOINコマンドを生成。
|
|
77
|
481 REPCommand command = new REPCommand();
|
|
|
482 command.setCMD(REP.SMCMD_SM_JOIN);
|
|
79
|
483
|
|
122
|
484 //hostnameをセット。
|
|
82
|
485 setMyHostName(getLocalHostName(channel));
|
|
|
486
|
|
122
|
487 //XMLを生成。送信コマンドにセット。
|
|
77
|
488 SessionXMLEncoder encoder = new SessionXMLEncoder(sessionlist);
|
|
|
489 String string = encoder.sessionListToXML();
|
|
|
490 command.setString(string);
|
|
|
491
|
|
122
|
492 //SM_JOINコマンドを送信。
|
|
77
|
493 REPPacketSend send = new REPPacketSend(channel);
|
|
|
494 send.send(command);
|
|
|
495
|
|
122
|
496 //SessionManagerのListに追加。
|
|
77
|
497 smList.add(channel);
|
|
|
498 }
|
|
2
|
499
|
|
139
|
500 private String getLocalHostName(REPSocketChannel channel) {
|
|
74
|
501 String host = null;
|
|
|
502 host = channel.socket().getLocalAddress().getHostName();
|
|
|
503 return host;
|
|
|
504 }
|
|
|
505
|
|
2
|
506 public void connectionOccured(ConnectionEvent event) {
|
|
|
507 connectSession(event.getHost());
|
|
|
508 }
|
|
8
|
509
|
|
|
510 public void ActionOccured(REPActionEvent event) {
|
|
104
|
511
|
|
103
|
512
|
|
122
|
513 /*** 書き直し ***/
|
|
133
|
514 REPSocketChannel channel = event.getEditorChannel();
|
|
107
|
515 int sid = event.getSID();
|
|
|
516 Session session = sessionlist.getSession(sid);
|
|
|
517 if(session.isOwner()){
|
|
|
518 int eid = session.addEditor(new Editor(channel));
|
|
|
519 REPCommand sendCommand = new REPCommand();
|
|
|
520 sendCommand.setCMD(REP.SMCMD_JOIN_ACK);
|
|
|
521 sendCommand.setEID(eid);
|
|
|
522 sendCommand.setSID(sid);
|
|
|
523 REPPacketSend sender = new REPPacketSend(channel);
|
|
|
524 sender.send(sendCommand);
|
|
|
525 }else {
|
|
133
|
526 REPSocketChannel editorChannel = event.getEditorChannel();
|
|
107
|
527 sid = event.getSID();
|
|
|
528 Editor editor = new Editor(editorChannel);
|
|
|
529 editor.setHost(myHost);
|
|
|
530 session = sessionlist.getSession(sid);
|
|
|
531 session.addEditor(editor);
|
|
|
532
|
|
|
533 Editor owner = session.getMaster();
|
|
|
534
|
|
|
535 REPCommand command = new REPCommand();
|
|
|
536 command.setCMD(REP.SMCMD_SELECT);
|
|
|
537 command.setSID(sid);
|
|
|
538 command.setString(editor.getHost() + ":" + editor.getPort());
|
|
|
539 owner.send(command);
|
|
|
540 }
|
|
72
|
541
|
|
|
542
|
|
8
|
543 }
|
|
122
|
544
|
|
|
545 public void undo() {
|
|
|
546 ownEditorList.undoAllEditors();
|
|
|
547 System.out.println("Undo!");
|
|
|
548 }
|
|
144
|
549
|
|
|
550 public void addWaitingCommand(PacketSet set) {
|
|
|
551 // TODO Auto-generated method stub
|
|
|
552
|
|
|
553 }
|
|
0
|
554 }
|
