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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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37 int seqno; Sequence number : sequence number はエディタごとに管理
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38 int lineno; line number
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39 int textsize; textsize : bytesize
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40 byte[] text;
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198
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41 */
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1
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42
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250
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43 public class SessionManager implements SessionManagerEventListener{
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0
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44
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164
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45 private LinkedList<Session> sessionList;
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280
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46 private SessionManagerGUI gui;
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198
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47 private REPSelector<REPCommand> selector;
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7
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48 private SessionManagerList smList;
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17
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49 private String myHost;
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144
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50 private List<Editor> editorList;
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78
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51 private String maxHost;
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212
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52 private List<PacketSet> waitingCommandInMerge;
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281
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53 private BlockingQueue<SessionManagerEvent> waitingQueue = new LinkedBlockingQueue<SessionManagerEvent>();;
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95
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54 private static int temp_port;
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55 private static int send_port;
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101
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56 static final int DEFAULT_PORT = 8766;
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57
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2
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58
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59 public void openSelector() throws IOException{
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231
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60 selector = REPSelector.<REPCommand>create();
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2
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61 }
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280
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62
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63 public void init(int port, SessionManagerGUI gui) throws IOException, InterruptedException {
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64 this.gui = gui;
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65 openSelector();
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66 init(port);
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67 mainLoop();
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68 }
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69
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70
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71 private void init(int port) throws InterruptedException, IOException {
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2
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72
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186
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73 REPServerSocketChannel<REPCommand> ssc = REPServerSocketChannel.<REPCommand>open(new REPCommandPacker());
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122
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74 ssc.configureBlocking(false); //reuse address 必須
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101
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75 ssc.socket().setReuseAddress(true);
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212
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76 //getAllByNameで取れた全てのアドレスに対してbindする
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77 ssc.socket().bind(new InetSocketAddress(port));
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192
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78 ssc.register(selector, SelectionKey.OP_ACCEPT, new REPHandlerImpl(-1, this));
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6
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79
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144
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80 sessionList = new LinkedList<Session>();
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7
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81 smList = new SessionManagerList();
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144
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82 editorList = new LinkedList<Editor>();
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212
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83 waitingCommandInMerge = new LinkedList<PacketSet>();
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228
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84
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85 //デフォルトのSessionを作っておく（テスト用に？）
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280
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86 //if(sessionList.size() > 0) System.out.println("Error : SessionManager.init():");
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87 //Session defaultSession = new Session(sessionList.size(), "DefaultSession.txt", new Editor(0,null));
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88 //sessionList.add(defaultSession);
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215
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89
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155
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90 }
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91
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231
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92 public void mainLoop() throws IOException {
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0
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93 while(true){
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281
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94 SessionManagerEvent e;
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95 while((e = waitingQueue.poll())!=null){
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96 e.exec();
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97 }
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178
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98 if(checkSend()){
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99 if(selector.selectNow() > 0){
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100 select();
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101 }
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102 continue;
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103 }
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233
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104 selector.select();
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144
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105 select();
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106 }
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107 }
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108
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178
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109 private boolean checkSend() {
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212
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110 for(Iterator<PacketSet> it = waitingCommandInMerge.iterator(); it.hasNext();){
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178
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111 PacketSet p = it.next();
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112 if(p.getEditor().isMerging()) {
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113 continue;
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114 }else{
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115 manage(p.channel, p.command);
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116 it.remove();
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212
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117 return true;
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178
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118 }
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119 }
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120 return false;
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121 }
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122
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274
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123 @SuppressWarnings("unchecked")
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144
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124 private void select() throws IOException {
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231
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125
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126 Set<REPSelectionKey<REPCommand>> keys = selector.selectedKeys1();
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127 for(REPSelectionKey<REPCommand> key : keys){
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144
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128 if(key.isAcceptable()){
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199
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129 REPSocketChannel<REPCommand> channel = key.accept(new REPCommandPacker());
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233
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130 System.out.println("SessionManager.select() : key.isAcceptable : channel = " + channel);
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229
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131 registerChannel (channel, SelectionKey.OP_READ);
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144
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132 channel = null;
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123
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133
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144
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134 }else if(key.isReadable()){
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212
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135 REPHandler handler = (REPHandler)(key.attachment());
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267
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136 try {
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137 handler.handle(key);
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138 } catch (ClosedChannelException x) {
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139 key.cancel();
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274
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140 handler.cancel((REPSocketChannel<REPCommand>)key.channel());
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267
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141 } catch (IOException x) {
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142 key.cancel();
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274
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143 handler.cancel((REPSocketChannel<REPCommand>)key.channel());
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267
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144 }
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0
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145 }
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146 }
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147 }
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1
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148
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229
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149 private void registerChannel(REPSocketChannel<REPCommand> channel, int ops) throws IOException {
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2
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150 if(channel == null) {
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151 return;
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152 }
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153 channel.configureBlocking(false);
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170
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154 REPHandler handler = new REPHandlerImpl(-1, this);
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148
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155 channel.register(selector, ops, handler);
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2
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156 }
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157
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144
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158 public void manage(REPSocketChannel<REPCommand> channel, REPCommand receivedCommand) {
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75
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159 if(receivedCommand == null) return;
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158
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160 //Session session;
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141
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161 REPCommand sendCommand = new REPCommand(receivedCommand);
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178
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162 REPSocketChannel<REPCommand> send = channel;
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144
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163
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75
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164 switch(receivedCommand.cmd){
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144
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165
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271
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166 case SMCMD_JOIN:
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164
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167 {
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168 //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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169 //エディタとchannelは1対1
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170 //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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171 Editor editor = new Editor(editorList.size(), channel);
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172 editor.setHost(myHost);
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173 editorList.add(editor);
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144
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174
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259
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175 updateGUI();
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199
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176
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164
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177 }
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178
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179 break;
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144
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180
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271
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181 case SMCMD_JOIN_ACK:
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212
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182 assert (false);
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1
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183 break;
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144
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184
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271
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185 case SMCMD_PUT:
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164
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186 {
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187 //エディタのリストに追加
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188 Editor editor = new Editor(editorList.size(), channel);
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227
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189 //editorList.add(editor);
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164
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190
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191 //Sessionを生成
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192 int sid = sessionList.size();
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193 editor = new Editor(0, channel);
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194 editor.setHost(myHost);
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227
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195 Session session = new Session(sid, receivedCommand.string, editor);
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164
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196 session.hasOwner(true);
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227
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197 sessionList.add(session);
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164
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198
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259
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199 updateGUI();
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158
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200
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164
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201 //エディタにAckを送信
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202 sendCommand.setCMD(REP.SMCMD_PUT_ACK);
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203 sendCommand.setEID(editor.getEID());
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204 sendCommand.setSID(session.getSID());
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205 editor.send(sendCommand);
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144
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206
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164
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207 //他のSessionManagerへSessionの追加を報告
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212
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208 //親に送って、親から子へ
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164
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209 SessionXMLEncoder sessionEncoder = new SessionXMLEncoder(session);
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210 REPCommand command = new REPCommand();
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211 command.setSID(session.getSID());
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212 command.setString(sessionEncoder.sessionListToXML());
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213 command.setCMD(REP.SMCMD_UPDATE);
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214 smList.sendExcept(channel, command);
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215
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216 }
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217
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218 break;
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133
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219
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271
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220 case SMCMD_SELECT:
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164
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221 {
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178
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222 //他のSessionManagerをエディタとしてSessionに追加
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164
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223 Editor editor = new Editor(channel);
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224 Session session = getSession(receivedCommand.sid);
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225 session.addEditor(editor);
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226
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227 if(session.hasOwner()){
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228 //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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229 sendCommand.setCMD(REP.SMCMD_SELECT_ACK);
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230 sendCommand.setEID(editor.getEID());
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231 editor.send(sendCommand);
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232 }else{
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233 //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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234 Editor owner = session.getOwner();
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235 owner.send(receivedCommand);
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148
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236 }
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164
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237 }
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144
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238
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164
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239 break;
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144
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240
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271
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241 case SMCMD_SELECT_ACK:
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160
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242 {
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85
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243 String hostport = receivedCommand.string;
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160
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244 Editor editor = getEditor(hostport);
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164
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245
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160
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246 if(editor != null) {
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247 //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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248 REPCommand command = new REPCommand();
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249 command.setCMD(REP.SMCMD_JOIN_ACK);
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250 command.setSID(receivedCommand.sid);
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251 command.setEID(receivedCommand.eid);
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252 editor.send(command);
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164
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253
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85
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254 }else{
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160
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255 //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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256 smList.sendExcept(channel, receivedCommand);
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257 }
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160
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258 }
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144
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259
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164
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260 break;
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144
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261
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271
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262 case SMCMD_SM_JOIN:
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164
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263
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160
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264 {
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122
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265 //SessionManagerのリストへ追加
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83
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266 smList.add(channel);
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144
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267
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122
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268 //XMLからSessionListオブジェクトを生成する。
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77
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269 SessionXMLDecoder decoder = new SessionXMLDecoder();
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79
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270 SessionList receivedSessionList = decoder.decode(receivedCommand.string);
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144
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271
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122
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272 //myHost を設定。
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178
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273 //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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274 if(myHost == null) setMyHostName(getLocalHostName(channel));
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144
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275
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122
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276 //maxHost を設定。
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95
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277 if(setMaxHost(channel, receivedSessionList.getMaxHost())){
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278 sendCommand = new REPCommand();
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279 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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280 sendCommand.setString(maxHost);
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281 smList.sendExcept(channel, sendCommand);
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282 }
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144
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283
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122
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284 //SessionListからXMLを生成。
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285 //joinしてきたSessionManagerに対してACKを送信。
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164
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286 SessionXMLEncoder sessionlistEncoder = new SessionXMLEncoder(sessionList);
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78
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287 sendCommand = new REPCommand();
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288 sendCommand.setCMD(REP.SMCMD_SM_JOIN_ACK);
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289 sendCommand.setString(sessionlistEncoder.sessionListToXML());
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178
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290 send.write(sendCommand);
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144
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291
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122
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292 //その他の SessionManager に対して SMCMD_UPDATEを 送信。
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78
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293 sendCommand = new REPCommand();
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83
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294 sendCommand.setCMD(REP.SMCMD_UPDATE);
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78
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295 sendCommand.setString(receivedCommand.string);
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296 smList.sendExcept(channel, sendCommand);
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144
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297
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160
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298 }
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164
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299 break;
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144
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300
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271
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301 case SMCMD_SM_JOIN_ACK:
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144
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302
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122
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303 //XMLからSessionListオブジェクトを生成。
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82
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304 SessionXMLDecoder decoder2 = new SessionXMLDecoder();
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305 SessionList receivedSessionList2 = decoder2.decode(receivedCommand.string);
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144
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306
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122
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307 //maxHostを決定。
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95
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308 if(setMaxHost(channel, receivedSessionList2.getMaxHost())){
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309 sendCommand = new REPCommand();
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310 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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311 sendCommand.setString(maxHost);
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312 smList.sendExcept(channel, sendCommand);
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313 }
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144
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314
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6
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315 break;
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144
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316
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271
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317 case SMCMD_UPDATE:
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200
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318 {
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99
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319 SessionXMLDecoder decoder3 = new SessionXMLDecoder();
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320 SessionList receivedSessionList3 = decoder3.decode(receivedCommand.string);
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144
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321
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200
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322 //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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323 LinkedList<Session> list = receivedSessionList3.getList();
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324 for(Session session : list){
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325 session.getEditorList().get(0).setChannel(channel);
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326 sessionList.add(session);
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327 }
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328
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329 //他のSessionManagerへ中継する
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99
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330 smList.sendExcept(channel, receivedCommand);
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144
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331
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200
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332 //リストのコピーをGUIに渡す
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333 LinkedList<Session> sList = new LinkedList<Session>(sessionList);
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334 LinkedList<Editor> eList = new LinkedList<Editor>(editorList);
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335 //GUIに反映
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336 Runnable doRun = new DoGUIUpdate(sList, eList, gui);
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279
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337 gui.invokeLater(doRun);
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200
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338 }
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9
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339 break;
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144
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340
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271
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341 case SMCMD_UPDATE_ACK:
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200
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342 {
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164
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343 if(receivedCommand.sid > sessionList.size()){
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148
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344 Editor editor = new Editor(channel);
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75
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345 editor.setName(receivedCommand.string);
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144
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346
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158
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347 Session session = new Session(editor);
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73
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348 session.addEditor(editor);
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144
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349
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164
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350 sessionList.add(session);
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200
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351
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352 //リストのコピーをGUIに渡す
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353 LinkedList<Session> sList = new LinkedList<Session>(sessionList);
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354 LinkedList<Editor> eList = new LinkedList<Editor>(editorList);
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355 //GUIに反映
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356 Runnable doRun = new DoGUIUpdate(sList, eList, gui);
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279
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357 gui.invokeLater(doRun);
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73
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358 }
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75
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359 smList.sendToSlave(receivedCommand);
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200
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360 }
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1
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361 break;
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144
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362
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271
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363 case SMCMD_CH_MASTER:
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200
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364 {
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122
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365 //maxHost を設定。
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95
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366 if(setMaxHost(channel, receivedCommand.string)){
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367 sendCommand = new REPCommand();
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368 sendCommand.setCMD(REP.SMCMD_CH_MASTER);
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369 sendCommand.setString(maxHost);
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370 smList.sendExcept(channel, sendCommand);
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371 }
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200
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372 }
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95
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373 break;
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144
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374
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271
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375 case REPCMD_DELETE:
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376 case REPCMD_INSERT:
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164
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377 {
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144
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378 //sid から Session を取得
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158
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379 Session session = getSession(receivedCommand.sid);
|
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144
|
380 //マージの処理と次のエディタへコマンドを送信する処理
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|
|
381 session.translate(channel, receivedCommand);
|
|
164
|
382
|
|
178
|
383
|
|
167
|
384 Editor editor = session.getEditor(channel);
|
|
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385 Editor prevEditor = session.getPrevEditor(editor);
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386
|
|
201
|
387 //マージ中のエディタはコマンドを受け取らない
|
|
164
|
388 if(editor.isMerging()){
|
|
|
389 //Handlerを切り替える
|
|
167
|
390 setMergeState(prevEditor.getChannel(), session.getSID());
|
|
169
|
391 }else {
|
|
178
|
392 setNormalState(prevEditor.getChannel(), session.getSID());
|
|
164
|
393 }
|
|
|
394 }
|
|
144
|
395 break;
|
|
213
|
396
|
|
|
397 default:
|
|
|
398 assert(false);
|
|
|
399 break;
|
|
|
400
|
|
144
|
401 }
|
|
|
402 }
|
|
|
403
|
|
259
|
404 private void updateGUI() {
|
|
212
|
405 //リストのコピーをGUIに渡す
|
|
|
406 LinkedList<Session> sList = new LinkedList<Session>(sessionList);
|
|
|
407 LinkedList<Editor> eList = new LinkedList<Editor>(editorList);
|
|
|
408 //GUIに反映
|
|
|
409 Runnable doRun = new DoGUIUpdate(sList, eList, gui);
|
|
279
|
410 gui.invokeLater(doRun);
|
|
212
|
411 }
|
|
|
412
|
|
169
|
413 private void setNormalState(REPSocketChannel<REPCommand> channel, int sid) {
|
|
|
414 SelectionKey key = channel.keyFor(selector);
|
|
|
415 key.attach(new REPHandlerImpl(sid, this));
|
|
|
416 }
|
|
|
417
|
|
167
|
418 private void setMergeState(REPSocketChannel<REPCommand> channel, int sid) {
|
|
|
419 SelectionKey key = channel.keyFor(selector);
|
|
|
420 key.attach(new REPHandlerInMerge(sid, this));
|
|
164
|
421 }
|
|
|
422
|
|
160
|
423 private Editor getEditor(String hostport) {
|
|
178
|
424 for(Editor editor : editorList){
|
|
|
425 if(editor.getHost() == hostport){
|
|
|
426 return editor;
|
|
|
427 }
|
|
|
428 }
|
|
|
429 return null;
|
|
|
430 }
|
|
|
431
|
|
224
|
432 public Editor getEditor(REPSocketChannel<REPCommand> channel){
|
|
178
|
433 for(Editor editor : editorList){
|
|
|
434 if(editor.getChannel() == channel){
|
|
|
435 return editor;
|
|
|
436 }
|
|
|
437 }
|
|
160
|
438 return null;
|
|
|
439 }
|
|
|
440
|
|
144
|
441 private Session getSession(int sid) {
|
|
|
442 for(Session session : sessionList){
|
|
|
443 if(session.getSID() == sid) return session;
|
|
|
444 }
|
|
|
445 return null;
|
|
0
|
446 }
|
|
83
|
447
|
|
224
|
448 private boolean setMaxHost(REPSocketChannel<REPCommand> channel, String maxHost2) {
|
|
179
|
449 if(maxHost.compareTo(maxHost2) > 0){
|
|
|
450 return false;
|
|
|
451 }else{
|
|
|
452 maxHost = maxHost2;
|
|
|
453 return true;
|
|
|
454 }
|
|
139
|
455 }
|
|
|
456
|
|
76
|
457 private void setMyHostName(String localHostName) {
|
|
95
|
458 myHost = localHostName + temp_port;
|
|
81
|
459 if(maxHost == null) {
|
|
|
460 maxHost = myHost;
|
|
|
461 }
|
|
164
|
462 setHostToEditor(myHost);
|
|
|
463 }
|
|
|
464
|
|
|
465 private void setHostToEditor(String myHost2) {
|
|
|
466 for(Editor editor : editorList){
|
|
|
467 editor.setHost(myHost2);
|
|
|
468 }
|
|
76
|
469 }
|
|
0
|
470
|
|
|
471 public static void main(String[] args) throws InterruptedException, IOException {
|
|
191
|
472
|
|
101
|
473 int port = DEFAULT_PORT;
|
|
|
474 int port_s = DEFAULT_PORT;
|
|
113
|
475 //System.setProperty("file.encoding", "UTF-8");
|
|
82
|
476 if(args.length > 0){
|
|
39
|
477 port = Integer.parseInt(args[0]);
|
|
95
|
478 port_s = Integer.parseInt(args[1]);
|
|
0
|
479 }
|
|
95
|
480 temp_port = port;
|
|
|
481 send_port = port_s;
|
|
281
|
482 SessionManager sm = new SessionManager();
|
|
280
|
483 sm.init(port,new SessionManagerGUIimpl(sm));
|
|
|
484
|
|
191
|
485
|
|
0
|
486 }
|
|
|
487
|
|
178
|
488 public void connectSession(String host) {
|
|
101
|
489 int port = DEFAULT_PORT;
|
|
95
|
490 port = send_port;
|
|
1
|
491 InetSocketAddress addr = new InetSocketAddress(host, port);
|
|
|
492 try {
|
|
186
|
493 REPSocketChannel<REPCommand> sessionchannel = REPSocketChannel.<REPCommand>create(new REPCommandPacker());
|
|
1
|
494 sessionchannel.configureBlocking(true);
|
|
|
495 sessionchannel.connect(addr);
|
|
6
|
496 while(!sessionchannel.finishConnect()){
|
|
77
|
497 System.out.print("test afro");
|
|
6
|
498 }
|
|
|
499 System.out.println("");
|
|
229
|
500 registerChannel(sessionchannel, SelectionKey.OP_READ);
|
|
45
|
501
|
|
77
|
502 sm_join(sessionchannel);
|
|
45
|
503
|
|
1
|
504 }catch (IOException e) {
|
|
|
505 e.printStackTrace();
|
|
|
506 }
|
|
|
507 }
|
|
77
|
508
|
|
164
|
509 private void sm_join(REPSocketChannel<REPCommand> channel){
|
|
79
|
510
|
|
122
|
511 //SM_JOINコマンドを生成。
|
|
77
|
512 REPCommand command = new REPCommand();
|
|
|
513 command.setCMD(REP.SMCMD_SM_JOIN);
|
|
79
|
514
|
|
122
|
515 //hostnameをセット。
|
|
82
|
516 setMyHostName(getLocalHostName(channel));
|
|
|
517
|
|
122
|
518 //XMLを生成。送信コマンドにセット。
|
|
164
|
519 SessionXMLEncoder encoder = new SessionXMLEncoder(sessionList);
|
|
77
|
520 String string = encoder.sessionListToXML();
|
|
|
521 command.setString(string);
|
|
|
522
|
|
122
|
523 //SM_JOINコマンドを送信。
|
|
186
|
524 channel.write(command);
|
|
122
|
525 //SessionManagerのListに追加。
|
|
77
|
526 smList.add(channel);
|
|
|
527 }
|
|
2
|
528
|
|
271
|
529 private String getLocalHostName(REPSocketChannel<?> channel) {
|
|
74
|
530 String host = null;
|
|
|
531 host = channel.socket().getLocalAddress().getHostName();
|
|
|
532 return host;
|
|
|
533 }
|
|
|
534
|
|
250
|
535 public void selectSession(SelectButtonEvent event) {
|
|
|
536 REPSocketChannel<REPCommand> channel = event.getEditorChannel();
|
|
|
537 int sid = event.getSID();
|
|
|
538 int eid = event.getEID();
|
|
164
|
539 Session session = getSession(sid);
|
|
227
|
540
|
|
250
|
541 Editor editor = editorList.get(eid);
|
|
227
|
542 if(editor == null){
|
|
|
543 System.out.println("SessionManager.selectSession():editor = " + editor);
|
|
|
544 return;
|
|
|
545 }
|
|
|
546
|
|
|
547 session.addEditor(editor);
|
|
|
548
|
|
|
549 System.out.println(session.hasOwner());
|
|
158
|
550 if(session.hasOwner()){
|
|
107
|
551 REPCommand sendCommand = new REPCommand();
|
|
|
552 sendCommand.setCMD(REP.SMCMD_JOIN_ACK);
|
|
148
|
553 sendCommand.setEID(editor.getEID());
|
|
107
|
554 sendCommand.setSID(sid);
|
|
186
|
555 channel.write(sendCommand);
|
|
107
|
556 }else {
|
|
250
|
557 sid = event.getSID();
|
|
227
|
558 editor = new Editor(channel);
|
|
107
|
559 editor.setHost(myHost);
|
|
164
|
560 session = getSession(sid);
|
|
107
|
561 session.addEditor(editor);
|
|
|
562
|
|
158
|
563 Editor owner = session.getOwner();
|
|
107
|
564
|
|
|
565 REPCommand command = new REPCommand();
|
|
|
566 command.setCMD(REP.SMCMD_SELECT);
|
|
|
567 command.setSID(sid);
|
|
178
|
568 command.setString(editor.getHost());
|
|
107
|
569 owner.send(command);
|
|
|
570 }
|
|
8
|
571 }
|
|
122
|
572
|
|
144
|
573 public void addWaitingCommand(PacketSet set) {
|
|
212
|
574 waitingCommandInMerge.add(set);
|
|
144
|
575 }
|
|
148
|
576
|
|
222
|
577 public void buttonPressed(SessionManagerEvent event) {
|
|
|
578 try {
|
|
|
579 waitingQueue.put(event);
|
|
|
580 } catch (InterruptedException e) {}
|
|
|
581 selector.wakeup();
|
|
|
582 }
|
|
281
|
583
|
|
|
584 public void syncExec(SessionManagerEvent event) {
|
|
|
585 try {
|
|
|
586 waitingQueue.put(event);
|
|
|
587 } catch (InterruptedException e) {
|
|
|
588 }
|
|
|
589 }
|
|
222
|
590
|
|
259
|
591 public void closeSession(SessionManagerEvent event) {
|
|
|
592 Session session = ((CloseButtonEvent) event).getSession();
|
|
|
593 session.closeSession();
|
|
|
594 sessionList.remove(session);
|
|
|
595 updateGUI();
|
|
|
596 }
|
|
|
597
|
|
274
|
598 public void remove(REPSocketChannel<REPCommand> channel) {
|
|
|
599 for(Session s:sessionList) {
|
|
|
600 if (s.deleteEditor(channel)) {
|
|
|
601 return ;
|
|
|
602 }
|
|
|
603 }
|
|
|
604 assert(false);
|
|
|
605 // can be other session manager? what should I do?
|
|
|
606 }
|
|
|
607
|
|
0
|
608 }
|
