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266
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1
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0
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2 package rep;
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3
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4 import java.io.IOException;
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5 import java.net.InetSocketAddress;
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267
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6 import java.nio.channels.ClosedChannelException;
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0
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7 import java.nio.channels.SelectionKey;
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178
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8 import java.util.Iterator;
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83
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9 import java.util.LinkedList;
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144
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10 import java.util.List;
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231
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11 import java.util.Set;
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178
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12 import java.util.concurrent.BlockingQueue;
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192
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13 import java.util.concurrent.LinkedBlockingQueue;
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0
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14
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198
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15
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123
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16 import rep.channel.REPServerSocketChannel;
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133
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17 import rep.channel.REPSocketChannel;
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144
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18 import rep.handler.PacketSet;
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146
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19 import rep.handler.REPHandler;
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148
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20 import rep.handler.REPHandlerImpl;
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164
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21 import rep.handler.REPHandlerInMerge;
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158
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22 import rep.channel.REPSelector;
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56
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23 import rep.xml.SessionXMLDecoder;
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45
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24 import rep.xml.SessionXMLEncoder;
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198
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25 import rep.channel.REPSelectionKey;
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264
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26
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198
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27 /*
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264
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28 +-------+--------+--------+-------+--------+---------+------+
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29 | cmd | session| editor | seqid | lineno | textsiz | text |
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30 | | id | id | | | | |
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31 +-------+--------+--------+-------+--------+---------+------+
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32 o---------- header section (network order) ----------o
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33
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34 int cmd; kind of command
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35 int sid; session ID : uniqu to editing file
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36 int eid; editor ID : owner editor ID = 1。Session に対して unique
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308
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37 -1 session manager command
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38 -2 merge command
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264
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39 int seqno; Sequence number : sequence number はエディタごとに管理
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40 int lineno; line number
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41 int textsize; textsize : bytesize
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42 byte[] text;
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198
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43 */
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1
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44
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250
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45 public class SessionManager implements SessionManagerEventListener{
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0
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46
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164
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47 private LinkedList<Session> sessionList;
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280
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48 private SessionManagerGUI gui;
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198
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49 private REPSelector<REPCommand> selector;
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7
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50 private SessionManagerList smList;
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144
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51 private List<Editor> editorList;
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304
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52 // editorList は、sessionList に入っているeditorとは別なeditorのlistらしい。
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78
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53 private String maxHost;
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212
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54 private List<PacketSet> waitingCommandInMerge;
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308
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55 REPHandler normalHandler = new REPHandlerImpl(this);
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56 REPHandler handlerInMerge =new REPHandlerInMerge(this);
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57 private BlockingQueue<SessionManagerEvent> waitingEventQueue = new LinkedBlockingQueue<SessionManagerEvent>();;
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58 private String myHost;
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59 private static int receive_port;
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60 private static int parent_port;
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101
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61 static final int DEFAULT_PORT = 8766;
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62
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2
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63
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64 public void openSelector() throws IOException{
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231
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65 selector = REPSelector.<REPCommand>create();
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2
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66 }
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280
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67
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68 public void init(int port, SessionManagerGUI gui) throws IOException, InterruptedException {
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69 this.gui = gui;
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70 openSelector();
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71 init(port);
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72 mainLoop();
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73 }
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74
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75
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76 private void init(int port) throws InterruptedException, IOException {
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2
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77
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186
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78 REPServerSocketChannel<REPCommand> ssc = REPServerSocketChannel.<REPCommand>open(new REPCommandPacker());
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122
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79 ssc.configureBlocking(false); //reuse address 必須
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101
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80 ssc.socket().setReuseAddress(true);
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212
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81 //getAllByNameで取れた全てのアドレスに対してbindする
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82 ssc.socket().bind(new InetSocketAddress(port));
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308
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83 ssc.register(selector, SelectionKey.OP_ACCEPT, normalHandler);
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6
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84
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144
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85 sessionList = new LinkedList<Session>();
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7
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86 smList = new SessionManagerList();
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144
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87 editorList = new LinkedList<Editor>();
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212
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88 waitingCommandInMerge = new LinkedList<PacketSet>();
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228
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89
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215
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90
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155
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91 }
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313
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92
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93 /*
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94 * We wrote everything in one thread, but we can assign
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95 * one thread for each communication channel and GUI event.
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96 */
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155
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97
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231
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98 public void mainLoop() throws IOException {
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0
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99 while(true){
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313
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100 if (checkInputEvent() ||
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101 checkWaitingWrite() ||
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102 checkWaitingCommandInMerge()) {
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103 // try to do fair execution for waiting task
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104 if(selector.selectNow() > 0) select();
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105 continue;
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300
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106 }
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313
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107 // now we can wait for input packet or event
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233
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108 selector.select();
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144
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109 select();
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110 }
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111 }
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112
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313
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113 private boolean checkInputEvent() {
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114 SessionManagerEvent e;
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115 if((e = waitingEventQueue.poll())!=null){
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116 e.exec();
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117 return true;
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118 }
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119 return false;
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120 }
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121
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122 private boolean checkWaitingWrite() throws IOException {
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123 for(Session s:sessionList) {
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124 for(Editor editor: s.getEditorList())
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125 if (editor.doWaitingWrite()) return true;
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126 }
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127 return false;
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128 }
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129
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308
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130 /**
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131 * Check waiting command in merge
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132 * @return true if there is a processed waiting command
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133 * @throws IOException
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134 */
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135 private boolean checkWaitingCommandInMerge() throws IOException {
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212
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136 for(Iterator<PacketSet> it = waitingCommandInMerge.iterator(); it.hasNext();){
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178
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137 PacketSet p = it.next();
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308
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138 if(p.getEditor().isMerging()) { // still merging do nothing
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178
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139 continue;
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140 }else{
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308
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141 // process one command and return true
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178
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142 manage(p.channel, p.command);
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143 it.remove();
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212
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144 return true;
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178
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145 }
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146 }
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147 return false;
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148 }
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149
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144
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150 private void select() throws IOException {
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231
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151
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152 Set<REPSelectionKey<REPCommand>> keys = selector.selectedKeys1();
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153 for(REPSelectionKey<REPCommand> key : keys){
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144
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154 if(key.isAcceptable()){
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199
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155 REPSocketChannel<REPCommand> channel = key.accept(new REPCommandPacker());
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300
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156 System.out.println("SessionManager.select() : key.isAcceptable : channel = " + channel);
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229
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157 registerChannel (channel, SelectionKey.OP_READ);
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144
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158 channel = null;
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123
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159
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144
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160 }else if(key.isReadable()){
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212
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161 REPHandler handler = (REPHandler)(key.attachment());
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267
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162 try {
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163 handler.handle(key);
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164 } catch (ClosedChannelException x) {
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165 key.cancel();
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308
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166 handler.cancel(key.channel1());
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267
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167 } catch (IOException x) {
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168 key.cancel();
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308
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169 handler.cancel( key.channel1());
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267
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170 }
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0
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171 }
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172 }
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173 }
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1
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174
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229
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175 private void registerChannel(REPSocketChannel<REPCommand> channel, int ops) throws IOException {
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2
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176 if(channel == null) {
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177 return;
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178 }
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179 channel.configureBlocking(false);
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308
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180 REPHandler handler = normalHandler;
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148
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181 channel.register(selector, ops, handler);
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2
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182 }
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183
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287
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184 public void manage(REPSocketChannel<REPCommand> channel, REPCommand receivedCommand) throws IOException {
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75
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185 if(receivedCommand == null) return;
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158
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186 //Session session;
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141
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187 REPCommand sendCommand = new REPCommand(receivedCommand);
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178
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188 REPSocketChannel<REPCommand> send = channel;
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144
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189
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75
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190 switch(receivedCommand.cmd){
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144
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191
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271
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192 case SMCMD_JOIN:
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164
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193 {
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194 //どのSessionにも属さないエディタをリストに追加
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212
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195 //エディタとchannelは1対1
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196 //エディタが新しくputする場合は新しくソケットを作る
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164
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197 Editor editor = new Editor(editorList.size(), channel);
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198 editor.setHost(myHost);
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199 editorList.add(editor);
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144
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200
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259
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201 updateGUI();
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199
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202
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164
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203 }
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204
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205 break;
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144
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206
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271
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207 case SMCMD_JOIN_ACK:
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212
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208 assert (false);
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1
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209 break;
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144
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210
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271
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211 case SMCMD_PUT:
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164
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212 {
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213 //エディタのリストに追加
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214 Editor editor = new Editor(editorList.size(), channel);
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227
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215 //editorList.add(editor);
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164
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216
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217 //Sessionを生成
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218 int sid = sessionList.size();
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219 editor = new Editor(0, channel);
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220 editor.setHost(myHost);
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227
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221 Session session = new Session(sid, receivedCommand.string, editor);
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164
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222 session.hasOwner(true);
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227
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223 sessionList.add(session);
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164
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224
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259
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225 updateGUI();
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158
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226
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164
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227 //エディタにAckを送信
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228 sendCommand.setCMD(REP.SMCMD_PUT_ACK);
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229 sendCommand.setEID(editor.getEID());
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230 sendCommand.setSID(session.getSID());
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231 editor.send(sendCommand);
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144
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232
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164
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233 //他のSessionManagerへSessionの追加を報告
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212
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234 //親に送って、親から子へ
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164
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235 SessionXMLEncoder sessionEncoder = new SessionXMLEncoder(session);
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236 REPCommand command = new REPCommand();
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237 command.setSID(session.getSID());
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238 command.setString(sessionEncoder.sessionListToXML());
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239 command.setCMD(REP.SMCMD_UPDATE);
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240 smList.sendExcept(channel, command);
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241
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242 }
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243
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244 break;
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133
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245
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271
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246 case SMCMD_SELECT:
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164
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247 {
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178
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248 //他のSessionManagerをエディタとしてSessionに追加
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164
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249 Editor editor = new Editor(channel);
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250 Session session = getSession(receivedCommand.sid);
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251 session.addEditor(editor);
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252
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253 if(session.hasOwner()){
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254 //このSessionManagerがオーナーを持っている場合、Sessionにエディタを追加し、エディタへAckを返す
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255 sendCommand.setCMD(REP.SMCMD_SELECT_ACK);
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256 sendCommand.setEID(editor.getEID());
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257 editor.send(sendCommand);
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258 }else{
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259 //オーナーを持ってない場合は、オーナーを持っているSessionManagerへSELECTコマンドを中継する
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260 Editor owner = session.getOwner();
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261 owner.send(receivedCommand);
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148
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262 }
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164
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263 }
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144
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264
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164
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265 break;
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144
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266
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271
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267 case SMCMD_SELECT_ACK:
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160
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268 {
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85
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269 String hostport = receivedCommand.string;
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160
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270 Editor editor = getEditor(hostport);
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164
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271
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160
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272 if(editor != null) {
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273 //host, port を見て、このコマンドが自分が送信したSelectコマンドのAckかどうかを判断する
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274 REPCommand command = new REPCommand();
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275 command.setCMD(REP.SMCMD_JOIN_ACK);
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276 command.setSID(receivedCommand.sid);
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277 command.setEID(receivedCommand.eid);
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278 editor.send(command);
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164
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279
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85
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280 }else{
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160
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281 //自分が送信したコマンドでなければ、次のSessionManagerへ中継する
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85
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282 smList.sendExcept(channel, receivedCommand);
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283 }
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160
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284 }
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144
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285
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164
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286 break;
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144
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287
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271
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288 case SMCMD_SM_JOIN:
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164
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289
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160
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290 {
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122
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291 //SessionManagerのリストへ追加
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83
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292 smList.add(channel);
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144
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293
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122
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294 //XMLからSessionListオブジェクトを生成する。
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77
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295 SessionXMLDecoder decoder = new SessionXMLDecoder();
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79
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296 SessionList receivedSessionList = decoder.decode(receivedCommand.string);
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144
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297
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122
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298 //myHost を設定。
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178
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299 //立ち上げ時にやるとlocalhostしか取れない
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76
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300 if(myHost == null) setMyHostName(getLocalHostName(channel));
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144
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301
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122
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302 //maxHost を設定。
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95
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303 if(setMaxHost(channel, receivedSessionList.getMaxHost())){
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304 sendCommand = new REPCommand();
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305 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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306 sendCommand.setString(maxHost);
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307 smList.sendExcept(channel, sendCommand);
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308 }
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144
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309
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122
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310 //SessionListからXMLを生成。
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311 //joinしてきたSessionManagerに対してACKを送信。
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164
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312 SessionXMLEncoder sessionlistEncoder = new SessionXMLEncoder(sessionList);
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78
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313 sendCommand = new REPCommand();
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314 sendCommand.setCMD(REP.SMCMD_SM_JOIN_ACK);
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315 sendCommand.setString(sessionlistEncoder.sessionListToXML());
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178
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316 send.write(sendCommand);
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144
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317
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122
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318 //その他の SessionManager に対して SMCMD_UPDATEを 送信。
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78
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319 sendCommand = new REPCommand();
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83
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320 sendCommand.setCMD(REP.SMCMD_UPDATE);
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78
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321 sendCommand.setString(receivedCommand.string);
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322 smList.sendExcept(channel, sendCommand);
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144
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323
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160
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324 }
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164
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325 break;
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144
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326
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271
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327 case SMCMD_SM_JOIN_ACK:
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144
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328
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122
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329 //XMLからSessionListオブジェクトを生成。
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82
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330 SessionXMLDecoder decoder2 = new SessionXMLDecoder();
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331 SessionList receivedSessionList2 = decoder2.decode(receivedCommand.string);
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144
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332
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122
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333 //maxHostを決定。
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95
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334 if(setMaxHost(channel, receivedSessionList2.getMaxHost())){
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335 sendCommand = new REPCommand();
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336 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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337 sendCommand.setString(maxHost);
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338 smList.sendExcept(channel, sendCommand);
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339 }
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144
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340
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6
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341 break;
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144
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342
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271
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343 case SMCMD_UPDATE:
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200
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344 {
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99
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345 SessionXMLDecoder decoder3 = new SessionXMLDecoder();
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346 SessionList receivedSessionList3 = decoder3.decode(receivedCommand.string);
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144
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347
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200
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348 //UPDATEコマンドにより送られてきたSessionの情報を追加する
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349 LinkedList<Session> list = receivedSessionList3.getList();
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350 for(Session session : list){
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351 session.getEditorList().get(0).setChannel(channel);
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352 sessionList.add(session);
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353 }
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354
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355 //他のSessionManagerへ中継する
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99
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356 smList.sendExcept(channel, receivedCommand);
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144
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357
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200
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358 //リストのコピーをGUIに渡す
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359 LinkedList<Session> sList = new LinkedList<Session>(sessionList);
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360 LinkedList<Editor> eList = new LinkedList<Editor>(editorList);
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361 //GUIに反映
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362 Runnable doRun = new DoGUIUpdate(sList, eList, gui);
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279
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363 gui.invokeLater(doRun);
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200
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364 }
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9
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365 break;
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144
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366
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271
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367 case SMCMD_UPDATE_ACK:
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200
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368 {
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164
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369 if(receivedCommand.sid > sessionList.size()){
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148
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370 Editor editor = new Editor(channel);
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75
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371 editor.setName(receivedCommand.string);
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144
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372
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158
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373 Session session = new Session(editor);
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73
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374 session.addEditor(editor);
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144
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375
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164
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376 sessionList.add(session);
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200
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377
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378 //リストのコピーをGUIに渡す
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379 LinkedList<Session> sList = new LinkedList<Session>(sessionList);
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380 LinkedList<Editor> eList = new LinkedList<Editor>(editorList);
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381 //GUIに反映
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382 Runnable doRun = new DoGUIUpdate(sList, eList, gui);
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279
|
383 gui.invokeLater(doRun);
|
|
73
|
384 }
|
|
75
|
385 smList.sendToSlave(receivedCommand);
|
|
200
|
386 }
|
|
1
|
387 break;
|
|
144
|
388
|
|
271
|
389 case SMCMD_CH_MASTER:
|
|
200
|
390 {
|
|
122
|
391 //maxHost を設定。
|
|
95
|
392 if(setMaxHost(channel, receivedCommand.string)){
|
|
|
393 sendCommand = new REPCommand();
|
|
|
394 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
|
|
|
395 sendCommand.setString(maxHost);
|
|
|
396 smList.sendExcept(channel, sendCommand);
|
|
|
397 }
|
|
200
|
398 }
|
|
95
|
399 break;
|
|
144
|
400
|
|
271
|
401 case REPCMD_DELETE:
|
|
|
402 case REPCMD_INSERT:
|
|
300
|
403 case REPCMD_NOP:
|
|
164
|
404 {
|
|
313
|
405 // sid から Session を取得
|
|
158
|
406 Session session = getSession(receivedCommand.sid);
|
|
287
|
407 if (session==null) throw new IOException();
|
|
313
|
408 // 次のエディタへコマンドを送信する処理
|
|
304
|
409 Editor editor = session.getEditor(channel);
|
|
315
|
410 Editor.TranslatorResult r = editor.translate(session.getNextEditor(editor), receivedCommand);
|
|
|
411 if(r==Editor.TranslatorResult.MERGE_END) {
|
|
|
412 endMerge(receivedCommand, session, editor);
|
|
|
413 } else if (r==Editor.TranslatorResult.START_MERGE) {
|
|
|
414 // マージ中のエディタはコマンドを受け取らない
|
|
|
415 // ここで止めることによって、SMCMD_START_MERGE_ACK
|
|
|
416 // が来た時には、editor.writeQueue はemptyになる
|
|
304
|
417 Editor prevEditor = session.getPrevEditor(editor);
|
|
315
|
418 setMergeState(prevEditor.getChannel(), session.getSID());
|
|
313
|
419 }
|
|
|
420 break;
|
|
|
421 }
|
|
|
422 case SMCMD_START_MERGE_ACK:
|
|
|
423 {
|
|
|
424 // sid から Session を取得
|
|
|
425 Session session = getSession(receivedCommand.sid);
|
|
|
426 if (session==null) throw new IOException();
|
|
|
427 // マージの処理と次のエディタへコマンドを送信する処理
|
|
|
428 Editor editor = session.getEditor(channel);
|
|
315
|
429 if (!editor.merge(editor,receivedCommand)) {
|
|
|
430 // nothing to do, send END_MERGE
|
|
|
431 endMerge(receivedCommand, session, editor);
|
|
164
|
432 }
|
|
313
|
433 break;
|
|
164
|
434 }
|
|
300
|
435 case SMCMD_QUIT:
|
|
|
436 {
|
|
|
437 Session session = getSession(receivedCommand.sid);
|
|
|
438 if (session==null) throw new IOException();
|
|
|
439 session.sendToNextEditor(channel,receivedCommand);
|
|
|
440 break;
|
|
|
441 }
|
|
|
442 case SMCMD_QUIT_2:
|
|
|
443 {
|
|
|
444 Session session = getSession(receivedCommand.sid);
|
|
|
445 if (session==null) throw new IOException();
|
|
|
446 Editor editor = session.getEditor(channel);
|
|
|
447 editor.setQuit2(receivedCommand);
|
|
|
448 break;
|
|
|
449 }
|
|
213
|
450 default:
|
|
|
451 assert(false);
|
|
|
452 break;
|
|
|
453
|
|
144
|
454 }
|
|
|
455 }
|
|
|
456
|
|
315
|
457 private void endMerge(REPCommand receivedCommand, Session session,
|
|
|
458 Editor editor) {
|
|
|
459 REPCommand mergeEnd = new REPCommand(REP.SMCMD_END_MERGE,receivedCommand.sid,editor.getEID(),editor.seq(),0,"");
|
|
|
460 editor.send(mergeEnd);
|
|
|
461 Editor prevEditor = session.getPrevEditor(editor);
|
|
|
462 setNormalState(prevEditor.getChannel(), session.getSID());
|
|
|
463 }
|
|
|
464
|
|
259
|
465 private void updateGUI() {
|
|
212
|
466 //リストのコピーをGUIに渡す
|
|
|
467 LinkedList<Session> sList = new LinkedList<Session>(sessionList);
|
|
|
468 LinkedList<Editor> eList = new LinkedList<Editor>(editorList);
|
|
|
469 //GUIに反映
|
|
|
470 Runnable doRun = new DoGUIUpdate(sList, eList, gui);
|
|
279
|
471 gui.invokeLater(doRun);
|
|
212
|
472 }
|
|
|
473
|
|
169
|
474 private void setNormalState(REPSocketChannel<REPCommand> channel, int sid) {
|
|
|
475 SelectionKey key = channel.keyFor(selector);
|
|
308
|
476 key.attach(normalHandler);
|
|
169
|
477 }
|
|
|
478
|
|
167
|
479 private void setMergeState(REPSocketChannel<REPCommand> channel, int sid) {
|
|
|
480 SelectionKey key = channel.keyFor(selector);
|
|
308
|
481 key.attach(handlerInMerge);
|
|
164
|
482 }
|
|
|
483
|
|
160
|
484 private Editor getEditor(String hostport) {
|
|
178
|
485 for(Editor editor : editorList){
|
|
|
486 if(editor.getHost() == hostport){
|
|
|
487 return editor;
|
|
|
488 }
|
|
|
489 }
|
|
|
490 return null;
|
|
|
491 }
|
|
|
492
|
|
313
|
493 public Session getSession(int sid) {
|
|
144
|
494 for(Session session : sessionList){
|
|
|
495 if(session.getSID() == sid) return session;
|
|
|
496 }
|
|
|
497 return null;
|
|
0
|
498 }
|
|
83
|
499
|
|
224
|
500 private boolean setMaxHost(REPSocketChannel<REPCommand> channel, String maxHost2) {
|
|
179
|
501 if(maxHost.compareTo(maxHost2) > 0){
|
|
|
502 return false;
|
|
|
503 }else{
|
|
|
504 maxHost = maxHost2;
|
|
|
505 return true;
|
|
|
506 }
|
|
139
|
507 }
|
|
|
508
|
|
76
|
509 private void setMyHostName(String localHostName) {
|
|
308
|
510 myHost = localHostName + receive_port;
|
|
81
|
511 if(maxHost == null) {
|
|
|
512 maxHost = myHost;
|
|
|
513 }
|
|
164
|
514 setHostToEditor(myHost);
|
|
|
515 }
|
|
|
516
|
|
|
517 private void setHostToEditor(String myHost2) {
|
|
|
518 for(Editor editor : editorList){
|
|
|
519 editor.setHost(myHost2);
|
|
|
520 }
|
|
76
|
521 }
|
|
0
|
522
|
|
|
523 public static void main(String[] args) throws InterruptedException, IOException {
|
|
191
|
524
|
|
101
|
525 int port = DEFAULT_PORT;
|
|
|
526 int port_s = DEFAULT_PORT;
|
|
300
|
527 //System.setProperty("file.encoding", "UTF-8");
|
|
82
|
528 if(args.length > 0){
|
|
39
|
529 port = Integer.parseInt(args[0]);
|
|
95
|
530 port_s = Integer.parseInt(args[1]);
|
|
0
|
531 }
|
|
308
|
532 receive_port = port;
|
|
|
533 parent_port = port_s;
|
|
281
|
534 SessionManager sm = new SessionManager();
|
|
280
|
535 sm.init(port,new SessionManagerGUIimpl(sm));
|
|
|
536
|
|
191
|
537
|
|
0
|
538 }
|
|
|
539
|
|
178
|
540 public void connectSession(String host) {
|
|
101
|
541 int port = DEFAULT_PORT;
|
|
308
|
542 port = parent_port;
|
|
1
|
543 InetSocketAddress addr = new InetSocketAddress(host, port);
|
|
|
544 try {
|
|
186
|
545 REPSocketChannel<REPCommand> sessionchannel = REPSocketChannel.<REPCommand>create(new REPCommandPacker());
|
|
1
|
546 sessionchannel.configureBlocking(true);
|
|
|
547 sessionchannel.connect(addr);
|
|
6
|
548 while(!sessionchannel.finishConnect()){
|
|
77
|
549 System.out.print("test afro");
|
|
6
|
550 }
|
|
|
551 System.out.println("");
|
|
229
|
552 registerChannel(sessionchannel, SelectionKey.OP_READ);
|
|
45
|
553
|
|
77
|
554 sm_join(sessionchannel);
|
|
45
|
555
|
|
1
|
556 }catch (IOException e) {
|
|
|
557 e.printStackTrace();
|
|
|
558 }
|
|
|
559 }
|
|
77
|
560
|
|
164
|
561 private void sm_join(REPSocketChannel<REPCommand> channel){
|
|
79
|
562
|
|
122
|
563 //SM_JOINコマンドを生成。
|
|
77
|
564 REPCommand command = new REPCommand();
|
|
|
565 command.setCMD(REP.SMCMD_SM_JOIN);
|
|
79
|
566
|
|
122
|
567 //hostnameをセット。
|
|
82
|
568 setMyHostName(getLocalHostName(channel));
|
|
|
569
|
|
122
|
570 //XMLを生成。送信コマンドにセット。
|
|
164
|
571 SessionXMLEncoder encoder = new SessionXMLEncoder(sessionList);
|
|
77
|
572 String string = encoder.sessionListToXML();
|
|
|
573 command.setString(string);
|
|
|
574
|
|
122
|
575 //SM_JOINコマンドを送信。
|
|
186
|
576 channel.write(command);
|
|
122
|
577 //SessionManagerのListに追加。
|
|
77
|
578 smList.add(channel);
|
|
|
579 }
|
|
2
|
580
|
|
271
|
581 private String getLocalHostName(REPSocketChannel<?> channel) {
|
|
74
|
582 String host = null;
|
|
|
583 host = channel.socket().getLocalAddress().getHostName();
|
|
|
584 return host;
|
|
|
585 }
|
|
|
586
|
|
250
|
587 public void selectSession(SelectButtonEvent event) {
|
|
|
588 REPSocketChannel<REPCommand> channel = event.getEditorChannel();
|
|
|
589 int sid = event.getSID();
|
|
|
590 int eid = event.getEID();
|
|
164
|
591 Session session = getSession(sid);
|
|
227
|
592
|
|
250
|
593 Editor editor = editorList.get(eid);
|
|
227
|
594 if(editor == null){
|
|
|
595 System.out.println("SessionManager.selectSession():editor = " + editor);
|
|
|
596 return;
|
|
|
597 }
|
|
|
598
|
|
|
599 session.addEditor(editor);
|
|
|
600
|
|
304
|
601 System.out.println("SessionManager.session.hasOnwer="+session.hasOwner());
|
|
158
|
602 if(session.hasOwner()){
|
|
107
|
603 REPCommand sendCommand = new REPCommand();
|
|
|
604 sendCommand.setCMD(REP.SMCMD_JOIN_ACK);
|
|
148
|
605 sendCommand.setEID(editor.getEID());
|
|
107
|
606 sendCommand.setSID(sid);
|
|
286
|
607 sendCommand.string = "";
|
|
186
|
608 channel.write(sendCommand);
|
|
107
|
609 }else {
|
|
250
|
610 sid = event.getSID();
|
|
227
|
611 editor = new Editor(channel);
|
|
107
|
612 editor.setHost(myHost);
|
|
164
|
613 session = getSession(sid);
|
|
107
|
614 session.addEditor(editor);
|
|
|
615
|
|
158
|
616 Editor owner = session.getOwner();
|
|
107
|
617
|
|
|
618 REPCommand command = new REPCommand();
|
|
|
619 command.setCMD(REP.SMCMD_SELECT);
|
|
|
620 command.setSID(sid);
|
|
178
|
621 command.setString(editor.getHost());
|
|
107
|
622 owner.send(command);
|
|
|
623 }
|
|
8
|
624 }
|
|
122
|
625
|
|
144
|
626 public void addWaitingCommand(PacketSet set) {
|
|
212
|
627 waitingCommandInMerge.add(set);
|
|
144
|
628 }
|
|
148
|
629
|
|
222
|
630 public void buttonPressed(SessionManagerEvent event) {
|
|
|
631 try {
|
|
308
|
632 waitingEventQueue.put(event);
|
|
222
|
633 } catch (InterruptedException e) {}
|
|
|
634 selector.wakeup();
|
|
|
635 }
|
|
281
|
636
|
|
|
637 public void syncExec(SessionManagerEvent event) {
|
|
|
638 try {
|
|
308
|
639 waitingEventQueue.put(event);
|
|
281
|
640 } catch (InterruptedException e) {
|
|
|
641 }
|
|
|
642 }
|
|
222
|
643
|
|
259
|
644 public void closeSession(SessionManagerEvent event) {
|
|
|
645 Session session = ((CloseButtonEvent) event).getSession();
|
|
|
646 session.closeSession();
|
|
|
647 sessionList.remove(session);
|
|
|
648 updateGUI();
|
|
|
649 }
|
|
|
650
|
|
274
|
651 public void remove(REPSocketChannel<REPCommand> channel) {
|
|
|
652 for(Session s:sessionList) {
|
|
|
653 if (s.deleteEditor(channel)) {
|
|
|
654 return ;
|
|
|
655 }
|
|
|
656 }
|
|
|
657 assert(false);
|
|
|
658 // can be other session manager? what should I do?
|
|
|
659 }
|
|
|
660
|
|
0
|
661 }
|
