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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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2
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6 import java.nio.channels.SelectableChannel;
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0
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7 import java.nio.channels.SelectionKey;
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8 import java.nio.channels.Selector;
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9 import java.nio.channels.ServerSocketChannel;
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10 import java.nio.channels.SocketChannel;
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83
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11 import java.util.LinkedList;
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15
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12 import java.util.StringTokenizer;
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0
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13
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56
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14 import rep.xml.SessionXMLDecoder;
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45
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15 import rep.xml.SessionXMLEncoder;
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16
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1
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17 //+-------+--------+--------+-------+--------+---------+------+
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18 //| cmd | session| editor | seqid | lineno | textsiz | text |
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19 //| | id | id | | | | |
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20 //+-------+--------+--------+-------+--------+---------+------+
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21 //o-------header section (network order)-------------o
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22 /*int cmd; // command
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101
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23 int sid; // session ID : uniqu to editing file
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24 int eid; // editor ID : owner editor ID = 1。Session に対してユニーク
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25 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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26 int lineno; // line number
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101
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27 int textsize; // textsize : bytesize
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1
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28 byte[] text;*/
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29
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8
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30 public class SessionManager implements ConnectionListener, REPActionListener{
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31
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32
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33 private SessionList sessionlist;
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5
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34 //SocketChannel sessionchannel;
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83
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35 private SessionManagerGUI gui;
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2
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36 private Selector selector;
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7
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37 private SessionManagerList smList;
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17
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38 private String myHost;
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21
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39 private boolean isMaster = true;
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77
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40 private EditorList allEditorList;
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78
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41 private String maxHost;
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76
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42 //private boolean addressIsGlobal;
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6
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43 //private SocketChannel sessionchannel;
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7
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44 //private boolean co;
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95
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45 private static int temp_port;
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46 private static int send_port;
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101
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47
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48 static final int DEFAULT_PORT = 8766;
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49
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2
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50 public SessionManager(int port) {
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83
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51 gui = new SessionManagerGUI();
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2
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52 }
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53
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54 public void openSelector() throws IOException{
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55 selector = Selector.open();
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56 }
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0
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57
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58 public void sessionManagerNet(int port) throws InterruptedException, IOException {
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2
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59
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0
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60 ServerSocketChannel ssc = ServerSocketChannel.open();
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101
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61 ssc.configureBlocking(false); //reuse address 必須
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62
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63 ssc.socket().setReuseAddress(true);
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64
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65 ssc.socket().bind(new InetSocketAddress(port));
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66 ssc.register(selector, SelectionKey.OP_ACCEPT);
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6
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67
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68
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0
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69 sessionlist = new SessionList();
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7
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70 smList = new SessionManagerList();
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77
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71 allEditorList = new EditorList();
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0
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72
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73 while(true){
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74 selector.select();
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75 for(SelectionKey key : selector.selectedKeys()){
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76 if(key.isAcceptable()){
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28
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77 /*** serverChannelはenableになったSelectionKeyのchannel ***/
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78 ServerSocketChannel serverChannel = (ServerSocketChannel)key.channel();
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9
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79 /*** EditorChannel を用いない記述 ***/
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80 SocketChannel channel = serverChannel.accept(); //keyからchannelを取って、accept
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2
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81 registerChannel (selector, channel, SelectionKey.OP_READ);
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0
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82 channel = null;
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9
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83
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84 /*** EditorChannel を用いた記述 ****/
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85 //EditorChannel echannel = (EditorChannel) ssc.accept();
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86 //echannel.setIO();
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87 //registerChannel(selector, echannel, SelectionKey.OP_READ);
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88 //echannel = null;
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89
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90 /*** SelectableEditorChannel ***/
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91 //SocketChannel channel = ssc.accept();
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92 //SelectableEditorChannel echannel2 = new SelectableEditorChannel(channel);
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93 //registerChannel(selector, echannel2, SelectionKey.OP_READ);
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94 //channel = null;
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95 //echannel2 = null;
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96
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6
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97 }else if(key.isReadable()){
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9
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98
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99 /*** EditorChannel を用いない記述 ***/
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100 SocketChannel channel = (SocketChannel)key.channel();
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75
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101 REPPacketReceive receive = new REPPacketReceive(channel); //getPacket(), putPacket() にする。
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102 receive.setkey(key);
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53
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103 //REPCommand repCom = repRec.unpackUConv();
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104 REPCommand receivedCommand = receive.unpack();
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105 manager(channel, receivedCommand);
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106
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107 /*** EditorChannel を用いた記述 ****/
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108 //EditorChannel echannel = (EditorChannel) key.channel();
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109 //REPCommand command = echannel.getPacket();
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110 //manager(echannel, command);
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111
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6
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112 }else if(key.isConnectable()){
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113 System.out.println("Connectable");
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21
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114 }
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0
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115 }
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116 }
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117 }
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1
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118
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2
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119 private synchronized void registerChannel(Selector selector, SelectableChannel channel, int ops) throws IOException {
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120 if(channel == null) {
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121 return;
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122 }
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123 //System.out.println("registerChannel()");
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124 channel.configureBlocking(false);
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125 selector.wakeup();
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2
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126 channel.register(selector, ops);
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127 }
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128
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129 private void manager(SocketChannel channel, REPCommand receivedCommand) {
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130 if(receivedCommand == null) return;
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69
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131 Editor editor;
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132 Session session;
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75
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133 REPCommand sendCommand = receivedCommand.clone();
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78
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134 REPPacketSend send = new REPPacketSend(channel);
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135 //SessionXMLEncoder encoder = new SessionXMLEncoder();
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136
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137 switch(receivedCommand.cmd){
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38
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138
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0
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139 case REP.SMCMD_JOIN:
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105
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140 editor = new Editor(channel);
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141 int tempeid = allEditorList.addEditor(editor);
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83
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142 gui.setComboEditor(tempeid, channel);
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143
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38
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144 break;
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31
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145
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1
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146 case REP.SMCMD_JOIN_ACK:
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31
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147 // editorList.setEID(repCmd);
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148 // editorList.sendJoinAck(repCmd);
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149 // sessionmanagerGUI.setComboEditor(repCmd.eid, channel);
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1
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150 break;
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31
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151
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0
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152 case REP.SMCMD_PUT:
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153 editor = new Editor(channel);
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154 editor.setHost(myHost);
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92
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155 allEditorList.addEditor(editor);
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56
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156 editor.setEID(1);
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75
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157 editor.setName(receivedCommand.string);
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158 session = new Session(editor);
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159 session.setOwner(true);
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63
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160 session.addEditor(editor);
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161 sessionlist.addSession(session);
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83
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162 gui.setComboSession(session.getSID(), session.getName());
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163 gui.setComboEditor(editor.getEID(), editor.getChannel());
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56
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164 session.addToRoutingTable(editor);
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84
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165 sendCommand.setCMD(REP.SMCMD_PUT_ACK);
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166 sendCommand.setEID(1);
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167 sendCommand.setSID(session.getSID());
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168 editor.send(sendCommand);
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169
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170 //if(isMaster){
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78
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171 SessionXMLEncoder sessionEncoder = new SessionXMLEncoder(session);
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172 REPCommand command = new REPCommand();
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173 command.setSID(session.getSID());
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174 command.setString(sessionEncoder.sessionListToXML());
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98
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175
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176 command.setCMD(REP.SMCMD_UPDATE);
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177 smList.sendExcept(channel, command);
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178
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179
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180 // if(isMaster){
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181 // command.setCMD(REP.SMCMD_UPDATE_ACK);
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182 // smList.sendToSlave(command);
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183 // }else{
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184 // command.setCMD(REP.SMCMD_UPDATE);
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185 // smList.sendToMaster(command);
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186 // }
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187 break;
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31
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188
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9
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189 // case REP.SMCMD_PUT_ACK:
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190 // break;
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31
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191
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0
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192 case REP.SMCMD_SELECT:
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66
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193 // sessionlist.addEditor(channel, repCmd.sid, repCmd); //sessionlistへ追加
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194 editor = new Editor(channel);
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195
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196 session = sessionlist.getSession(receivedCommand.sid);
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197
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70
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198 if(session.isOwner()){
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199 int eid2 = session.addEditor(editor);
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200 editor.setEID(eid2);
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78
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201 //REPPacketSend send = new REPPacketSend(channel);
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84
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202 //receivedCommand.setCMD(REP.SMCMD_SELECT_ACK);
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203 //receivedCommand.setEID(eid2);
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204 sendCommand.setCMD(REP.SMCMD_SELECT_ACK);
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205 sendCommand.setEID(eid2);
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206 send.send(sendCommand);
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66
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207 }else {
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85
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208 Editor master = session.getMaster();
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209 master.send(receivedCommand);
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210 session.addEditor(editor);
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66
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211 }
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212
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8
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213 break;
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214
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8
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215 case REP.SMCMD_SELECT_ACK:
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85
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216
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217 String hostport = receivedCommand.string;
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218 Editor editor2 = allEditorList.getEditor(hostport);
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219 if(editor2 != null) {
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220 REPCommand command2 = new REPCommand();
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221 command2.setCMD(REP.SMCMD_JOIN_ACK);
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93
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222 command2.setSID(receivedCommand.sid);
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85
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223 command2.setEID(receivedCommand.eid);
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224 editor2.send(command2);
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225 }else{
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226 smList.sendExcept(channel, receivedCommand);
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227 }
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228
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229 //receivedCommand.setCMD(REP.SMCMD_JOIN_ACK);
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230 //receivedCommand.setEID(receivedCommand.eid);
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231 //session = sessionlist.getSession(receivedCommand.sid);
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232 //session.sendToEditor(receivedCommand);
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233 //Editor editor3 = session3.getEditorList().get(0);
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234 //REPPacketSend send = new REPPacketSend(editor3.getChannel());
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235 //send.send(repCmd);
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1
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236 break;
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38
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237
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8
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238 case REP.SMCMD_SM_JOIN:
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78
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239
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83
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240 //SessionManagerのリストへ追加
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241 smList.add(channel);
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242
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78
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243 //XMLからSessionListオブジェクトを生成する。
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77
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244 SessionXMLDecoder decoder = new SessionXMLDecoder();
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79
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245 SessionList receivedSessionList = decoder.decode(receivedCommand.string);
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78
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246
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83
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247 //SessionListへ追加し変換テーブルを生成する。
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248 sessionlist.update(channel, receivedSessionList);
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249
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78
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250 //myHost を設定。
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76
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251 if(myHost == null) setMyHostName(getLocalHostName(channel));
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78
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252
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79
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253 //maxHost を設定。
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95
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254 if(setMaxHost(channel, receivedSessionList.getMaxHost())){
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255 sendCommand = new REPCommand();
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256 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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257 sendCommand.setString(maxHost);
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258 smList.sendExcept(channel, sendCommand);
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259 }
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77
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260
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78
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261 //SessionListからXMLを生成。
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262 //joinしてきたSessionManagerに対してACKを送信。
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263 SessionXMLEncoder sessionlistEncoder = new SessionXMLEncoder(sessionlist);
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264 sendCommand = new REPCommand();
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265 sendCommand.setCMD(REP.SMCMD_SM_JOIN_ACK);
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266 sendCommand.setString(sessionlistEncoder.sessionListToXML());
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267 send.send(sendCommand);
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268
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83
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269 //その他の SessionManager に対して SMCMD_UPDATEを 送信。
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78
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270 sendCommand = new REPCommand();
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83
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271 sendCommand.setCMD(REP.SMCMD_UPDATE);
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78
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272 sendCommand.setString(receivedCommand.string);
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273 smList.sendExcept(channel, sendCommand);
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274
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83
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275 //その他のSessionManagerに対してSMCMD_SM_JOINを送信。
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276 //sendCommand = new REPCommand();
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277 //sendCommand.setCMD(REP.SMCMD_SM_JOIN);
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278 //sendCommand.setString(receivedCommand.string);
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279 //smList.sendExcept(channel, sendCommand);
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280
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31
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281 if(isMaster){
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45
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282 }else {
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31
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283 }
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78
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284
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8
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285 break;
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286
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8
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287 case REP.SMCMD_SM_JOIN_ACK:
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82
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288
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289 //XMLからSessionListオブジェクトを生成。
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290 SessionXMLDecoder decoder2 = new SessionXMLDecoder();
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291 SessionList receivedSessionList2 = decoder2.decode(receivedCommand.string);
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292
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293 //maxHostを決定。
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95
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294 if(setMaxHost(channel, receivedSessionList2.getMaxHost())){
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295 sendCommand = new REPCommand();
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296 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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297 sendCommand.setString(maxHost);
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298 smList.sendExcept(channel, sendCommand);
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299 }
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82
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300
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38
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301 if(isMaster){
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39
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302 }else{
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38
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303 }
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304
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6
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305 break;
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38
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306
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8
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307 case REP.SMCMD_UPDATE:
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70
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308
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99
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309 SessionXMLDecoder decoder3 = new SessionXMLDecoder();
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310 SessionList receivedSessionList3 = decoder3.decode(receivedCommand.string);
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311
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312 //SessionListへ追加し変換テーブルを生成する。
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313 sessionlist.update(channel, receivedSessionList3);
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314
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315 smList.sendExcept(channel, receivedCommand);
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70
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316
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100
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317 for(Session session3 : receivedSessionList3.getList()){
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318 gui.setComboSession(session3.getSID(), session3.getName());
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319 }
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320
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99
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321 //SessionのownerのEditor
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322 //editor = new Editor(channel);
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323 //editor.setName(receivedCommand.string);
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324
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325
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70
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326
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99
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327 //session = new Session(editor);
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328 //session.addEditor(editor);
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70
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329
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99
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330 //sessionlist.addSession(session);
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331
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332 //gui.setComboSession(session.getSID(), session.getName());
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70
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333
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83
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334 //if(isMaster){
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335 // receivedCommand.setCMD(REP.SMCMD_UPDATE_ACK);
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336 // smList.sendToSlave(receivedCommand);
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337 //}else{
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338 // receivedCommand.setCMD(REP.SMCMD_UPDATE);
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339 // smList.sendToMaster(receivedCommand);
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340 //}
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9
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341 break;
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38
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342
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9
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343 case REP.SMCMD_UPDATE_ACK:
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75
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344 if(receivedCommand.sid > sessionlist.getList().size()){
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73
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345 editor = new Editor(channel);
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75
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346 editor.setName(receivedCommand.string);
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73
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347
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348 session = new Session(editor);
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349 session.addEditor(editor);
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350
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351 sessionlist.addSession(session);
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352
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83
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353 gui.setComboSession(session.getSID(), session.getName());
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73
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354 }
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75
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355 smList.sendToSlave(receivedCommand);
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1
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356 break;
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38
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357
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3
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358 case REP.REPCMD_READ:
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17
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359 //sessionlist.sendCmd(channel, repCmd);
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3
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360 break;
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38
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361
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95
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362 case REP.SMCMD_CH_MASTER:
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363 //maxHost を設定。
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364 if(setMaxHost(channel, receivedCommand.string)){
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365 sendCommand = new REPCommand();
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366 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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367 sendCommand.setString(maxHost);
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368 smList.sendExcept(channel, sendCommand);
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369 }
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370 break;
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371
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0
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372 default:
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9
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373 //sessionlist.sendCmd(channel, repCmd);
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75
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374 sessionlist.sendToNextEditor(channel, receivedCommand);
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0
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375 break;
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376 }
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377 }
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83
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378
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79
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379 private boolean setMaxHost(SocketChannel channel, String host) {
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81
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380 if(maxHost == null) {
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381 maxHost = myHost;
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382 sessionlist.setMaxHost(maxHost);
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|
|
383 }
|
|
82
|
384 if(host.compareTo(maxHost) > 0){
|
|
79
|
385 //host > MaxHost なら maxHost = host
|
|
|
386 //masterを設定する。
|
|
|
387 maxHost = host;
|
|
|
388 sessionlist.setMaxHost(maxHost);
|
|
|
389 setMaster(false, channel);
|
|
|
390 return true;
|
|
|
391 }else{
|
|
|
392 return false;
|
|
|
393 }
|
|
78
|
394 }
|
|
|
395
|
|
76
|
396 private void setMyHostName(String localHostName) {
|
|
95
|
397 myHost = localHostName + temp_port;
|
|
81
|
398 if(maxHost == null) {
|
|
|
399 maxHost = myHost;
|
|
|
400 sessionlist.setMaxHost(maxHost);
|
|
|
401 }
|
|
77
|
402 allEditorList.setHost(myHost);
|
|
76
|
403 }
|
|
0
|
404
|
|
77
|
405 private void setMaster(boolean b, SocketChannel channel) {
|
|
75
|
406 isMaster = b;
|
|
|
407 System.out.println("isMaster = " + b);
|
|
77
|
408 smList.setMaster(channel);
|
|
75
|
409 }
|
|
|
410
|
|
0
|
411 public static void main(String[] args) throws InterruptedException, IOException {
|
|
101
|
412 int port = DEFAULT_PORT;
|
|
|
413 int port_s = DEFAULT_PORT;
|
|
1
|
414
|
|
82
|
415 if(args.length > 0){
|
|
39
|
416 port = Integer.parseInt(args[0]);
|
|
95
|
417 port_s = Integer.parseInt(args[1]);
|
|
0
|
418 }
|
|
95
|
419 temp_port = port;
|
|
|
420 send_port = port_s;
|
|
0
|
421 SessionManager sm = new SessionManager(port);
|
|
2
|
422 sm.openSelector();
|
|
|
423 sm.openWindow();
|
|
0
|
424 sm.sessionManagerNet(port);
|
|
|
425 }
|
|
|
426
|
|
2
|
427 private void openWindow() {
|
|
83
|
428 Thread th = new Thread( gui );
|
|
2
|
429 th.start();
|
|
75
|
430 //System.out.println(sessionmanagerGUI.toString());
|
|
83
|
431 gui.addConnectionListener(this);
|
|
|
432 gui.addREPActionListener(this);
|
|
2
|
433 }
|
|
|
434
|
|
|
435 private void connectSession(String host) {
|
|
101
|
436 int port = DEFAULT_PORT;
|
|
95
|
437 port = send_port;
|
|
1
|
438 InetSocketAddress addr = new InetSocketAddress(host, port);
|
|
|
439 try {
|
|
6
|
440 SocketChannel sessionchannel = SocketChannel.open();
|
|
1
|
441 sessionchannel.configureBlocking(true);
|
|
|
442 sessionchannel.connect(addr);
|
|
6
|
443 while(!sessionchannel.finishConnect()){
|
|
77
|
444 System.out.print("test afro");
|
|
6
|
445 }
|
|
|
446 System.out.println("");
|
|
2
|
447 registerChannel(selector, sessionchannel, SelectionKey.OP_READ);
|
|
45
|
448
|
|
77
|
449 sm_join(sessionchannel);
|
|
45
|
450
|
|
1
|
451 }catch (IOException e) {
|
|
|
452 e.printStackTrace();
|
|
|
453 }
|
|
|
454 }
|
|
77
|
455
|
|
|
456 private void sm_join(SocketChannel channel){
|
|
79
|
457
|
|
|
458 //SM_JOINコマンドを生成。
|
|
77
|
459 REPCommand command = new REPCommand();
|
|
|
460 command.setCMD(REP.SMCMD_SM_JOIN);
|
|
79
|
461
|
|
|
462 //hostnameをセット。
|
|
82
|
463 setMyHostName(getLocalHostName(channel));
|
|
|
464
|
|
|
465 //XMLを生成。送信コマンドにセット。
|
|
77
|
466 SessionXMLEncoder encoder = new SessionXMLEncoder(sessionlist);
|
|
|
467 String string = encoder.sessionListToXML();
|
|
|
468 command.setString(string);
|
|
|
469
|
|
79
|
470 //SM_JOINコマンドを送信。
|
|
77
|
471 REPPacketSend send = new REPPacketSend(channel);
|
|
|
472 send.send(command);
|
|
|
473
|
|
79
|
474 //SessionManagerのListに追加。
|
|
77
|
475 smList.add(channel);
|
|
|
476 }
|
|
2
|
477
|
|
75
|
478 private String getLocalHostName(SocketChannel channel) {
|
|
74
|
479 String host = null;
|
|
|
480 host = channel.socket().getLocalAddress().getHostName();
|
|
|
481 return host;
|
|
|
482 }
|
|
|
483
|
|
77
|
484 // private String getSocketString(SocketChannel sessionchannel) {
|
|
|
485 // SocketAddress socket = sessionchannel.socket().getRemoteSocketAddress();
|
|
|
486 // //String inetAddressString = sessionchannel.socket().getInetAddress().toString();
|
|
|
487 // StringTokenizer stn = new StringTokenizer(socket.toString(), "/");
|
|
|
488 // String socketString = null;
|
|
|
489 // while(stn.hasMoreTokens()){
|
|
|
490 // socketString = stn.nextToken();
|
|
|
491 // //System.out.println(socketString);
|
|
|
492 // }
|
|
|
493 // return socketString;
|
|
|
494 // }
|
|
14
|
495
|
|
2
|
496 public void connectionOccured(ConnectionEvent event) {
|
|
|
497 connectSession(event.getHost());
|
|
|
498 }
|
|
8
|
499
|
|
|
500 public void ActionOccured(REPActionEvent event) {
|
|
103
|
501
|
|
104
|
502 SocketChannel editorChannel = event.getEditorChannel();
|
|
|
503 int sid = event.getSID();
|
|
|
504 Editor editor = new Editor(editorChannel);
|
|
|
505 editor.setHost(this.myHost);
|
|
|
506 Session session = sessionlist.getSession(sid);
|
|
|
507 session.addEditor(editor);
|
|
|
508
|
|
|
509 Editor owner = session.getMaster();
|
|
|
510
|
|
|
511 REPCommand command = new REPCommand();
|
|
|
512 command.setCMD(REP.SMCMD_SELECT);
|
|
|
513 command.setSID(sid);
|
|
|
514 command.setString(editor.getHost() + ":" + editor.getPort());
|
|
|
515 owner.send(command);
|
|
103
|
516
|
|
|
517 /*** 書き直し ***/
|
|
104
|
518 // SocketChannel channel = event.getEditorChannel();
|
|
|
519 // int sid = event.getSID();
|
|
|
520 // Session session = sessionlist.getSession(sid);
|
|
|
521 // if(session.isOwner()){
|
|
|
522 // int eid = session.addEditor(new Editor(channel));
|
|
|
523 // REPCommand sendCommand = new REPCommand();
|
|
|
524 // sendCommand.setCMD(REP.SMCMD_JOIN_ACK);
|
|
|
525 // sendCommand.setEID(eid);
|
|
|
526 // sendCommand.setSID(sid);
|
|
|
527 // REPPacketSend sender = new REPPacketSend(channel);
|
|
|
528 // sender.send(sendCommand);
|
|
|
529 // }else {
|
|
|
530 // SocketChannel editorChannel = event.getEditorChannel();
|
|
|
531 // sid = event.getSID();
|
|
|
532 // Editor editor = new Editor(editorChannel);
|
|
|
533 // editor.setHost(myHost);
|
|
|
534 // session = sessionlist.getSession(sid);
|
|
|
535 // session.addEditor(editor);
|
|
|
536 //
|
|
|
537 // Editor owner = session.getMaster();
|
|
|
538 //
|
|
|
539 // REPCommand command = new REPCommand();
|
|
|
540 // command.setCMD(REP.SMCMD_SELECT);
|
|
|
541 // command.setSID(sid);
|
|
|
542 // command.setString(editor.getHost() + ":" + editor.getPort());
|
|
|
543 // owner.send(command);
|
|
|
544 // }
|
|
72
|
545
|
|
|
546
|
|
84
|
547 //REPPacketSend send = new REPPacketSend(editorChannel);
|
|
|
548 //send.send(new REPCommand(REP.SMCMD_SELECT_ACK, sid, eid, 0,0,0,""));
|
|
72
|
549
|
|
|
550
|
|
|
551
|
|
71
|
552 //sessionlist.sendSelect(sid);
|
|
8
|
553 }
|
|
0
|
554 }
|
