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1 package test.sematest;
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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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5 import java.nio.channels.SelectionKey;
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6 import java.util.LinkedList;
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7
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8 import rep.REP;
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9 import rep.REPCommand;
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10 import rep.REPCommandPacker;
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11 import rep.channel.REPLogger;
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12 import rep.channel.REPSelector;
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13 import rep.channel.REPSocketChannel;
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14 import test.Text;
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15
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16
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17 /**
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18 * @author kono
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19 * Basic Temote Editor client implementation
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20 * should support multi-session
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21 * currently multi-session requires new channel, that is
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22 * only one session for this editor.
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23 */
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24 public class TestEditor extends Thread{
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25 private InetSocketAddress semaIP;
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26 private REPLogger ns;
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27 private int seq = 0;
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28 public Text text;
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29 public LinkedList<REPCommand> cmds;
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30 private int eid = 0;
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31 private int sid = 0;
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32 REPSocketChannel<REPCommand> channel;
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33 boolean running = true;
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34 long timeout = 1;
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35 private String name;
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36
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37 static private String[] text1d = {
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38 "aaa", "bbb", "ccc", "ddd", "eee",
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39 };
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40
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41 public TestEditor(String name, String _host,int _port, boolean master){
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42 super(name);
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43 semaIP = new InetSocketAddress(_host, _port);
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44 ns = REPLogger.singleton();
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45 this.name = name;
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46 cmds = new LinkedList<REPCommand>();
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47 if (master) {
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48 text = new Text(text1d);
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49 cmds.add(new REPCommand(REP.SMCMD_PUT,0,0,seq++,0,name+"-file"));
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50 cmds.add(new REPCommand(REP.REPCMD_INSERT,0,0,0,0,"m0"));
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51 cmds.add(new REPCommand(REP.REPCMD_DELETE,0,0,0,0,"m0"));
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52 cmds.add(new REPCommand(REP.SMCMD_QUIT,0,0,0,0,""));
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53 } else {
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54 text = new Text(new String[0]);
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55 cmds.add(new REPCommand(REP.SMCMD_JOIN,0,0,seq++,0,name));
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56 cmds.add(new REPCommand(REP.REPCMD_INSERT,0,0,0,0,"c0"));
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57 cmds.add(new REPCommand(REP.REPCMD_DELETE,0,0,0,0,"c0"));
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58 //cmds.add(new REPCommand(REP.SMCMD_QUIT,0,0,0,0,""));
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59 }
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60 }
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61
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62 public void run(){
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63 try {
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64 channel = REPSocketChannel.<REPCommand>create(new REPCommandPacker());
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65 } catch (IOException e) { return; }
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66
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67 ns.writeLog("try to connect to SessionManager whose ip is "+semaIP+" "+name, 1);
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68 try {
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69 while (!channel.connect(semaIP)){
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70 ns.writeLog("SeMa not listen to socket yet, wait", 1);
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71 }
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72 } catch (IOException e) { return; }
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73 ns.writeLog("successes to connect "+name);
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74 /*
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75 * public REPCommand(REP cmd,int sid,int eid, int seq, int lineno, String string)
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76 */
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77 try {
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78 mainloop();
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79 } catch (IOException e) {
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80 }
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81 }
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82
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83 private void mainloop() throws IOException {
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84
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85 channel.configureBlocking(false);
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86 REPSelector<REPCommand> selector = REPSelector.create();
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87 channel.register(selector, SelectionKey.OP_READ);
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88 while(running) {
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89 if (selector.select(timeout)<=0) {
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90 userInput();
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91 } else {
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92 handle(channel.read());
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93 }
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94 }
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95 }
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96
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97 private void userInput() {
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98 REPCommand cmd = cmds.poll();
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99 if (cmd!=null) {
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100 switch(cmd.cmd) {
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101 case REPCMD_INSERT:
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102 text.insert(cmd.lineno, cmd.string);
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103 sendCommand(cmd);
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104 break;
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105 case REPCMD_DELETE:
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106 String del = text.delete(cmd.lineno);
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107 cmd.setString(del);
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108 sendCommand(cmd);
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109 break;
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110 case SMCMD_QUIT:
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111 cmds.clear();
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112 sendCommand(cmd);
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113 break;
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114 default:
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115 assert(false);
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116 }
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117 } else {
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118 // no more command to send
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119 timeout = 0;
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120 }
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121 }
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122
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123
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124 private void sendCommand(REPCommand cmd) {
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125 cmd.setSEQID(seq++);
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126 cmd.setEID(eid);
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127 cmd.setSID(sid);
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128 ns.writeLog(name +" send "+cmd);
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129 channel.write(cmd);
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130 }
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131
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132 private void handle(REPCommand cmd) {
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133 ns.writeLog(name +": read "+cmd);
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134 switch(cmd.cmd) {
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135 case REPCMD_INSERT :
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136 text.insert(cmd.lineno, cmd.string);
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137 sendCommand(cmd);
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138 break;
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139 case REPCMD_INSERT_ACK :
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140 break;
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141 case REPCMD_DELETE :
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142 String del = text.delete(cmd.lineno);
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143 cmd.setString(del);
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144 sendCommand(cmd);
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145 break;
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146 case REPCMD_DELETE_ACK :
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147 break;
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148 case REPCMD_CLOSE :
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149 case REPCMD_CLOSE_2 :
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150 break;
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151 case REPCMD_NOP :
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152 break;
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153 case SMCMD_JOIN_ACK :
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154 sid = cmd.sid;
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155 eid = cmd.eid;
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156 break;
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157 case SMCMD_PUT_ACK :
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158 sid = cmd.sid;
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159 eid = cmd.eid;
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160 break;
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161 case SMCMD_QUIT :
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162 case SMCMD_QUIT_ACK :
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163 break;
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164 case SMCMD_START_MERGE :
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165 case SMCMD_START_MERGE_ACK :
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166 break;
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167 case SMCMD_END_MERGE :
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168 break;
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169 case SMCMD_QUIT_2 :
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170 running = false;
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171 break;
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172 default:
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173 assert(false);
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174 break;
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285
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175 }
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176 }
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177 }
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