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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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28
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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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131 Editor editor;
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132 Session session;
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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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106
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141 editor.setHost(myHost);
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105
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142 int tempeid = allEditorList.addEditor(editor);
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83
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143 gui.setComboEditor(tempeid, channel);
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144
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38
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145 break;
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31
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146
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1
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147 case REP.SMCMD_JOIN_ACK:
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31
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148 // editorList.setEID(repCmd);
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149 // editorList.sendJoinAck(repCmd);
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150 // sessionmanagerGUI.setComboEditor(repCmd.eid, channel);
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1
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151 break;
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31
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152
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0
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153 case REP.SMCMD_PUT:
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154 editor = new Editor(channel);
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90
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155 editor.setHost(myHost);
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92
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156 allEditorList.addEditor(editor);
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56
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157 editor.setEID(1);
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75
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158 editor.setName(receivedCommand.string);
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159 session = new Session(editor);
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160 session.setOwner(true);
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63
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161 session.addEditor(editor);
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162 sessionlist.addSession(session);
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163 gui.setComboSession(session.getSID(), session.getName());
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164 gui.setComboEditor(editor.getEID(), editor.getChannel());
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56
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165 session.addToRoutingTable(editor);
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84
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166 sendCommand.setCMD(REP.SMCMD_PUT_ACK);
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167 sendCommand.setEID(1);
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168 sendCommand.setSID(session.getSID());
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169 editor.send(sendCommand);
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56
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170
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171 //if(isMaster){
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78
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172 SessionXMLEncoder sessionEncoder = new SessionXMLEncoder(session);
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173 REPCommand command = new REPCommand();
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174 command.setSID(session.getSID());
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175 command.setString(sessionEncoder.sessionListToXML());
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98
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176
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177 command.setCMD(REP.SMCMD_UPDATE);
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178 smList.sendExcept(channel, command);
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179
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180
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181 // if(isMaster){
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182 // command.setCMD(REP.SMCMD_UPDATE_ACK);
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183 // smList.sendToSlave(command);
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184 // }else{
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185 // command.setCMD(REP.SMCMD_UPDATE);
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186 // smList.sendToMaster(command);
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187 // }
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188 break;
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31
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189
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9
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190 // case REP.SMCMD_PUT_ACK:
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191 // break;
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31
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192
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0
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193 case REP.SMCMD_SELECT:
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194 // sessionlist.addEditor(channel, repCmd.sid, repCmd); //sessionlistへ追加
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195 editor = new Editor(channel);
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196
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197 session = sessionlist.getSession(receivedCommand.sid);
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198
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199 if(session.isOwner()){
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200 int eid2 = session.addEditor(editor);
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201 editor.setEID(eid2);
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78
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202 //REPPacketSend send = new REPPacketSend(channel);
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84
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203 //receivedCommand.setCMD(REP.SMCMD_SELECT_ACK);
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204 //receivedCommand.setEID(eid2);
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205 sendCommand.setCMD(REP.SMCMD_SELECT_ACK);
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206 sendCommand.setEID(eid2);
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207 send.send(sendCommand);
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66
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208 }else {
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85
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209 Editor master = session.getMaster();
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210 master.send(receivedCommand);
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211 session.addEditor(editor);
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66
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212 }
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213
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8
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214 break;
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38
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215
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8
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216 case REP.SMCMD_SELECT_ACK:
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85
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217
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218 String hostport = receivedCommand.string;
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219 Editor editor2 = allEditorList.getEditor(hostport);
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220 if(editor2 != null) {
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221 REPCommand command2 = new REPCommand();
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222 command2.setCMD(REP.SMCMD_JOIN_ACK);
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93
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223 command2.setSID(receivedCommand.sid);
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85
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224 command2.setEID(receivedCommand.eid);
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225 editor2.send(command2);
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226 }else{
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227 smList.sendExcept(channel, receivedCommand);
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228 }
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229
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230 //receivedCommand.setCMD(REP.SMCMD_JOIN_ACK);
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231 //receivedCommand.setEID(receivedCommand.eid);
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232 //session = sessionlist.getSession(receivedCommand.sid);
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233 //session.sendToEditor(receivedCommand);
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69
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234 //Editor editor3 = session3.getEditorList().get(0);
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235 //REPPacketSend send = new REPPacketSend(editor3.getChannel());
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236 //send.send(repCmd);
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1
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237 break;
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38
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238
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8
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239 case REP.SMCMD_SM_JOIN:
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78
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240
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83
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241 //SessionManagerのリストへ追加
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242 smList.add(channel);
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243
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78
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244 //XMLからSessionListオブジェクトを生成する。
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77
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245 SessionXMLDecoder decoder = new SessionXMLDecoder();
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79
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246 SessionList receivedSessionList = decoder.decode(receivedCommand.string);
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78
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247
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83
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248 //SessionListへ追加し変換テーブルを生成する。
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249 sessionlist.update(channel, receivedSessionList);
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250
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78
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251 //myHost を設定。
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76
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252 if(myHost == null) setMyHostName(getLocalHostName(channel));
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78
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253
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79
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254 //maxHost を設定。
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95
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255 if(setMaxHost(channel, receivedSessionList.getMaxHost())){
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256 sendCommand = new REPCommand();
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257 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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258 sendCommand.setString(maxHost);
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259 smList.sendExcept(channel, sendCommand);
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260 }
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261
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78
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262 //SessionListからXMLを生成。
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263 //joinしてきたSessionManagerに対してACKを送信。
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264 SessionXMLEncoder sessionlistEncoder = new SessionXMLEncoder(sessionlist);
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265 sendCommand = new REPCommand();
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266 sendCommand.setCMD(REP.SMCMD_SM_JOIN_ACK);
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267 sendCommand.setString(sessionlistEncoder.sessionListToXML());
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268 send.send(sendCommand);
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269
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83
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270 //その他の SessionManager に対して SMCMD_UPDATEを 送信。
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78
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271 sendCommand = new REPCommand();
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83
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272 sendCommand.setCMD(REP.SMCMD_UPDATE);
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78
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273 sendCommand.setString(receivedCommand.string);
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274 smList.sendExcept(channel, sendCommand);
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275
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83
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276 //その他のSessionManagerに対してSMCMD_SM_JOINを送信。
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277 //sendCommand = new REPCommand();
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278 //sendCommand.setCMD(REP.SMCMD_SM_JOIN);
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279 //sendCommand.setString(receivedCommand.string);
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280 //smList.sendExcept(channel, sendCommand);
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281
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31
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282 if(isMaster){
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45
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283 }else {
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31
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284 }
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78
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285
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8
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286 break;
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287
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8
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288 case REP.SMCMD_SM_JOIN_ACK:
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82
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289
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290 //XMLからSessionListオブジェクトを生成。
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291 SessionXMLDecoder decoder2 = new SessionXMLDecoder();
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292 SessionList receivedSessionList2 = decoder2.decode(receivedCommand.string);
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293
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294 //maxHostを決定。
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95
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295 if(setMaxHost(channel, receivedSessionList2.getMaxHost())){
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296 sendCommand = new REPCommand();
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297 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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298 sendCommand.setString(maxHost);
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299 smList.sendExcept(channel, sendCommand);
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300 }
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82
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301
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38
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302 if(isMaster){
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39
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303 }else{
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38
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304 }
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305
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6
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306 break;
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307
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8
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308 case REP.SMCMD_UPDATE:
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70
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309
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99
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310 SessionXMLDecoder decoder3 = new SessionXMLDecoder();
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311 SessionList receivedSessionList3 = decoder3.decode(receivedCommand.string);
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312
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313 //SessionListへ追加し変換テーブルを生成する。
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314 sessionlist.update(channel, receivedSessionList3);
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315
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316 smList.sendExcept(channel, receivedCommand);
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70
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317
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100
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318 for(Session session3 : receivedSessionList3.getList()){
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319 gui.setComboSession(session3.getSID(), session3.getName());
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320 }
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321
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99
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322 //SessionのownerのEditor
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323 //editor = new Editor(channel);
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324 //editor.setName(receivedCommand.string);
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325
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326
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70
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327
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99
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328 //session = new Session(editor);
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329 //session.addEditor(editor);
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70
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330
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99
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331 //sessionlist.addSession(session);
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332
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333 //gui.setComboSession(session.getSID(), session.getName());
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70
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334
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83
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335 //if(isMaster){
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336 // receivedCommand.setCMD(REP.SMCMD_UPDATE_ACK);
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337 // smList.sendToSlave(receivedCommand);
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338 //}else{
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339 // receivedCommand.setCMD(REP.SMCMD_UPDATE);
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340 // smList.sendToMaster(receivedCommand);
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341 //}
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9
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342 break;
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38
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343
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9
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344 case REP.SMCMD_UPDATE_ACK:
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75
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345 if(receivedCommand.sid > sessionlist.getList().size()){
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73
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346 editor = new Editor(channel);
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75
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347 editor.setName(receivedCommand.string);
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73
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348
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349 session = new Session(editor);
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350 session.addEditor(editor);
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351
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352 sessionlist.addSession(session);
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353
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83
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354 gui.setComboSession(session.getSID(), session.getName());
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73
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355 }
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75
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356 smList.sendToSlave(receivedCommand);
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1
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357 break;
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38
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358
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3
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359 case REP.REPCMD_READ:
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17
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360 //sessionlist.sendCmd(channel, repCmd);
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3
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361 break;
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38
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362
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95
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363 case REP.SMCMD_CH_MASTER:
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364 //maxHost を設定。
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365 if(setMaxHost(channel, receivedCommand.string)){
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366 sendCommand = new REPCommand();
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367 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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368 sendCommand.setString(maxHost);
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369 smList.sendExcept(channel, sendCommand);
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370 }
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371 break;
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372
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0
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373 default:
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9
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374 //sessionlist.sendCmd(channel, repCmd);
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75
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375 sessionlist.sendToNextEditor(channel, receivedCommand);
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0
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376 break;
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377 }
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378 }
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83
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379
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79
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380 private boolean setMaxHost(SocketChannel channel, String host) {
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81
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381 if(maxHost == null) {
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382 maxHost = myHost;
|
|
|
383 sessionlist.setMaxHost(maxHost);
|
|
|
384 }
|
|
82
|
385 if(host.compareTo(maxHost) > 0){
|
|
79
|
386 //host > MaxHost なら maxHost = host
|
|
|
387 //masterを設定する。
|
|
|
388 maxHost = host;
|
|
|
389 sessionlist.setMaxHost(maxHost);
|
|
|
390 setMaster(false, channel);
|
|
|
391 return true;
|
|
|
392 }else{
|
|
|
393 return false;
|
|
|
394 }
|
|
78
|
395 }
|
|
|
396
|
|
76
|
397 private void setMyHostName(String localHostName) {
|
|
95
|
398 myHost = localHostName + temp_port;
|
|
81
|
399 if(maxHost == null) {
|
|
|
400 maxHost = myHost;
|
|
|
401 sessionlist.setMaxHost(maxHost);
|
|
|
402 }
|
|
77
|
403 allEditorList.setHost(myHost);
|
|
76
|
404 }
|
|
0
|
405
|
|
77
|
406 private void setMaster(boolean b, SocketChannel channel) {
|
|
75
|
407 isMaster = b;
|
|
|
408 System.out.println("isMaster = " + b);
|
|
77
|
409 smList.setMaster(channel);
|
|
75
|
410 }
|
|
|
411
|
|
0
|
412 public static void main(String[] args) throws InterruptedException, IOException {
|
|
101
|
413 int port = DEFAULT_PORT;
|
|
|
414 int port_s = DEFAULT_PORT;
|
|
1
|
415
|
|
82
|
416 if(args.length > 0){
|
|
39
|
417 port = Integer.parseInt(args[0]);
|
|
95
|
418 port_s = Integer.parseInt(args[1]);
|
|
0
|
419 }
|
|
95
|
420 temp_port = port;
|
|
|
421 send_port = port_s;
|
|
0
|
422 SessionManager sm = new SessionManager(port);
|
|
2
|
423 sm.openSelector();
|
|
|
424 sm.openWindow();
|
|
0
|
425 sm.sessionManagerNet(port);
|
|
|
426 }
|
|
|
427
|
|
2
|
428 private void openWindow() {
|
|
83
|
429 Thread th = new Thread( gui );
|
|
2
|
430 th.start();
|
|
75
|
431 //System.out.println(sessionmanagerGUI.toString());
|
|
83
|
432 gui.addConnectionListener(this);
|
|
|
433 gui.addREPActionListener(this);
|
|
2
|
434 }
|
|
|
435
|
|
|
436 private void connectSession(String host) {
|
|
101
|
437 int port = DEFAULT_PORT;
|
|
95
|
438 port = send_port;
|
|
1
|
439 InetSocketAddress addr = new InetSocketAddress(host, port);
|
|
|
440 try {
|
|
6
|
441 SocketChannel sessionchannel = SocketChannel.open();
|
|
1
|
442 sessionchannel.configureBlocking(true);
|
|
|
443 sessionchannel.connect(addr);
|
|
6
|
444 while(!sessionchannel.finishConnect()){
|
|
77
|
445 System.out.print("test afro");
|
|
6
|
446 }
|
|
|
447 System.out.println("");
|
|
2
|
448 registerChannel(selector, sessionchannel, SelectionKey.OP_READ);
|
|
45
|
449
|
|
77
|
450 sm_join(sessionchannel);
|
|
45
|
451
|
|
1
|
452 }catch (IOException e) {
|
|
|
453 e.printStackTrace();
|
|
|
454 }
|
|
|
455 }
|
|
77
|
456
|
|
|
457 private void sm_join(SocketChannel channel){
|
|
79
|
458
|
|
|
459 //SM_JOINコマンドを生成。
|
|
77
|
460 REPCommand command = new REPCommand();
|
|
|
461 command.setCMD(REP.SMCMD_SM_JOIN);
|
|
79
|
462
|
|
|
463 //hostnameをセット。
|
|
82
|
464 setMyHostName(getLocalHostName(channel));
|
|
|
465
|
|
|
466 //XMLを生成。送信コマンドにセット。
|
|
77
|
467 SessionXMLEncoder encoder = new SessionXMLEncoder(sessionlist);
|
|
|
468 String string = encoder.sessionListToXML();
|
|
|
469 command.setString(string);
|
|
|
470
|
|
79
|
471 //SM_JOINコマンドを送信。
|
|
77
|
472 REPPacketSend send = new REPPacketSend(channel);
|
|
|
473 send.send(command);
|
|
|
474
|
|
79
|
475 //SessionManagerのListに追加。
|
|
77
|
476 smList.add(channel);
|
|
|
477 }
|
|
2
|
478
|
|
75
|
479 private String getLocalHostName(SocketChannel channel) {
|
|
74
|
480 String host = null;
|
|
|
481 host = channel.socket().getLocalAddress().getHostName();
|
|
|
482 return host;
|
|
|
483 }
|
|
|
484
|
|
77
|
485 // private String getSocketString(SocketChannel sessionchannel) {
|
|
|
486 // SocketAddress socket = sessionchannel.socket().getRemoteSocketAddress();
|
|
|
487 // //String inetAddressString = sessionchannel.socket().getInetAddress().toString();
|
|
|
488 // StringTokenizer stn = new StringTokenizer(socket.toString(), "/");
|
|
|
489 // String socketString = null;
|
|
|
490 // while(stn.hasMoreTokens()){
|
|
|
491 // socketString = stn.nextToken();
|
|
|
492 // //System.out.println(socketString);
|
|
|
493 // }
|
|
|
494 // return socketString;
|
|
|
495 // }
|
|
14
|
496
|
|
2
|
497 public void connectionOccured(ConnectionEvent event) {
|
|
|
498 connectSession(event.getHost());
|
|
|
499 }
|
|
8
|
500
|
|
|
501 public void ActionOccured(REPActionEvent event) {
|
|
104
|
502
|
|
107
|
503 /*** 元の ***/
|
|
|
504 // SocketChannel editorChannel = event.getEditorChannel();
|
|
|
505 // int sid = event.getSID();
|
|
|
506 // Editor editor = new Editor(editorChannel);
|
|
|
507 // editor.setHost(this.myHost);
|
|
|
508 // Session session = sessionlist.getSession(sid);
|
|
|
509 // session.addEditor(editor);
|
|
|
510 //
|
|
|
511 // Editor owner = session.getMaster();
|
|
|
512 //
|
|
|
513 // REPCommand command = new REPCommand();
|
|
|
514 // command.setCMD(REP.SMCMD_SELECT);
|
|
|
515 // command.setSID(sid);
|
|
|
516 // command.setString(editor.getHost() + ":" + editor.getPort());
|
|
|
517 // owner.send(command);
|
|
103
|
518
|
|
|
519 /*** 書き直し ***/
|
|
107
|
520 SocketChannel channel = event.getEditorChannel();
|
|
|
521 int sid = event.getSID();
|
|
|
522 Session session = sessionlist.getSession(sid);
|
|
|
523 if(session.isOwner()){
|
|
|
524 int eid = session.addEditor(new Editor(channel));
|
|
|
525 REPCommand sendCommand = new REPCommand();
|
|
|
526 sendCommand.setCMD(REP.SMCMD_JOIN_ACK);
|
|
|
527 sendCommand.setEID(eid);
|
|
|
528 sendCommand.setSID(sid);
|
|
|
529 REPPacketSend sender = new REPPacketSend(channel);
|
|
|
530 sender.send(sendCommand);
|
|
|
531 }else {
|
|
|
532 SocketChannel editorChannel = event.getEditorChannel();
|
|
|
533 sid = event.getSID();
|
|
|
534 Editor editor = new Editor(editorChannel);
|
|
|
535 editor.setHost(myHost);
|
|
|
536 session = sessionlist.getSession(sid);
|
|
|
537 session.addEditor(editor);
|
|
|
538
|
|
|
539 Editor owner = session.getMaster();
|
|
|
540
|
|
|
541 REPCommand command = new REPCommand();
|
|
|
542 command.setCMD(REP.SMCMD_SELECT);
|
|
|
543 command.setSID(sid);
|
|
|
544 command.setString(editor.getHost() + ":" + editor.getPort());
|
|
|
545 owner.send(command);
|
|
|
546 }
|
|
72
|
547
|
|
|
548
|
|
84
|
549 //REPPacketSend send = new REPPacketSend(editorChannel);
|
|
|
550 //send.send(new REPCommand(REP.SMCMD_SELECT_ACK, sid, eid, 0,0,0,""));
|
|
72
|
551
|
|
|
552
|
|
|
553
|
|
71
|
554 //sessionlist.sendSelect(sid);
|
|
8
|
555 }
|
|
0
|
556 }
|
