Mercurial > hg > Members > riono > TreeVNC_ja_comment

annotate src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommand.java @ 188:f176bffcdc4a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add showTreeNode option.
author oc
date Tue, 24 Jun 2014 16:49:29 +0900
parents 2e1530139169
children a204b53a30c7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 package jp.ac.u_ryukyu.treevnc;
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2
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3 import java.io.IOException;
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4 import java.net.Socket;
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5 import java.net.SocketException;
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6 import java.net.UnknownHostException;
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7
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8 import com.glavsoft.rfb.protocol.ProtocolContext.TreeCommand;
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9 import com.glavsoft.transport.Reader;
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10 import com.glavsoft.transport.Writer;
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11
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12 public class TreeVncCommand {
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13 MyRfbProto rfb;
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14 int port;
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15 String hostname;
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16 String myHostName;
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17 Writer os;
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18 Reader is;
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19 private TreeCommand command ;
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20 private Socket connection;
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21 private short value;
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22
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23 public TreeVncCommand(MyRfbProto rfb,String myHostName, TreeCommand command, int port, String hostname, short value) {
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24 this.rfb = rfb;
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25 this.myHostName = myHostName;
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26 this.hostname = hostname;
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27 this.port = port;
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28 this.command = command;
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29 this.value = value;
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30 }
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31
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32 public TreeVncCommand(MyRfbProto rfb, String myHostAddress, TreeCommand newNode,
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33 Writer os, Reader is, Socket connection) {
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34 this.rfb = rfb;
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35 this.myHostName = myHostAddress;
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36 command = newNode;
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37 this.os = os;
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38 this.is = is;
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39 this.connection = connection;
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40 }
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41
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42 public void handleTreeVncCommand() {
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43 switch (command) {
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44 case FIND_ROOT_REPLY :
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45 handleFindRootReply(port,hostname,myHostName);
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46 break;
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47 case CONNECT_TO_AS_LEADER :
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48 handleConnectTo( port,hostname,myHostName,true,this.value);
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49 break;
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50 case CONNECT_TO :
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51 handleConnectTo( port,hostname,myHostName,false,this.value);
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52 break;
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53 case FIND_ROOT :
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54 // this is a multicast message, it is handled in FindRootListener
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55 break;
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56 case WHERE_TO_CONNECT :
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57 handleWhereToConnect(port,hostname, myHostName);
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58 break;
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59 case LOST_PARENT :
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60 handleLostParent(port,hostname);
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61 break;
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62 case NEW_NODE :
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63 rfb.newClient(connection, os, is);
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64 break;
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65 case QUIT_LOOP:
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66 break;
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67 default:
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68 System.out.println("unknown treeVNC command" + command);
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69 }
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70 }
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71
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72 /**
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73 * new clients ask root to where to connect
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74 * tell him his parent
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75 * @param port
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76 * @param hostname
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77 * @param myHostName
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78 */
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79 void handleWhereToConnect(int port, String hostname, String myHostName) {
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80 rfb.getTreeManager().decideWhereToConnect(hostname,port,myHostName);
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81 }
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82
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83 /**
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84 * set new parent address
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85 * @param port
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86 * @param hostname
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87 * @param leader
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88 * @param id
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89 * @throws IOException
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90 * @throws SocketException
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91 * @throws UnknownHostException
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92 */
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93 void handleConnectTo(int port, String hostname, String myHostName, boolean leader, short id) {
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94 if (rfb.isRoot()) {
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95 return; // we don't have parent
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96 }
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97 rfb.setId(id);
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98 rfb.setMyAddress(myHostName);
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99 rfb.setLeader(leader);
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100 try {
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101 rfb.getViewer().connectToParenet(port, hostname);
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102 } catch (IOException e) {
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103 System.out.println(e.getMessage());
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104 }
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105 }
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106
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107 /**
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108 * Accept FIND_ROOT_REPLY
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109 * add replying TreeVNC root to RootSelection Panel
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110 * @param port
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111 * @param hostname
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112 */
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113 void handleFindRootReply(int port, String hostname,String myHostname) {
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114 rfb.addHostToSelectionPanel(port, hostname,myHostname);
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115 }
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116
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117 /**
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118 * client node lost parent connection, send reconnection message.
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119 * if root is not here, clients die themselves.
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120 * @param port
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121 * @param hostname
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122 */
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123 private void handleLostParent(int port, String hostname) {
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124 rfb.getTreeManager().fixLostParent(hostname,port);
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125 }
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126
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127 public TreeCommand getCommand () {
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128 return command;
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129 }
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131
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132 }