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