Mercurial > hg > RemoteEditor > REPSessionManager
annotate rep/handler/REPNode.java @ 481:607f1dfe2b80
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 15 Oct 2010 19:47:53 +0900 |
parents | 87ae0424a62a |
children | 7420dea70dd7 |
rev | line source |
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1 package rep.handler; |
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2 |
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3 import java.io.IOException; |
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4 |
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5 import rep.REP; |
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6 import rep.REPCommand; |
386 | 7 import rep.Session; |
387 | 8 import rep.SessionManager; |
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9 import rep.channel.REPSelectionKey; |
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10 import rep.channel.REPSocketChannel; |
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11 |
384 | 12 /** |
13 * @author kono | |
14 * Abstract class for all REP node | |
15 * Sub classes: | |
16 * FirstConnector waiting first connection and determines its type. | |
17 * Editor editor direct connect or no connection (master/slave) | |
18 * Forwarder send command to the other session manager | |
19 * base class for other communication node | |
20 * Dispatcher Session Manager entry, dispatch commands to editors. | |
21 * NullForwarder REP node with no connection | |
22 */ | |
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23 public abstract class REPNode { |
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24 |
384 | 25 public int eid; // globally unique (contains SessionManagerID) |
26 public int sid=-1; // globally unique | |
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27 public String host; |
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28 public String file; |
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29 public REP mode; |
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30 public REPSocketChannel<REPCommand> channel; |
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31 public REPNode next; |
387 | 32 public SessionManager manager; |
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33 |
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34 public REPNode() { |
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35 |
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36 } |
387 | 37 |
38 public REPNode(int eid, SessionManager manager, REPSocketChannel<REPCommand> channel) { | |
382
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39 this.eid = eid; |
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40 this.channel = channel; |
387 | 41 this.manager = manager; |
42 } | |
43 | |
44 public REPNode(SessionManager manager, REPSocketChannel<REPCommand> channel) { | |
45 this.channel = channel; | |
46 this.manager = manager; | |
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47 } |
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48 |
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49 public String getName() { |
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50 return file; |
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51 } |
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52 |
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53 public void setName(String string) { |
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54 file = string; |
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55 } |
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56 |
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57 |
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58 public void setSID(int sid) { |
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59 this.sid = sid; |
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60 } |
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61 |
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62 public int getSID() { |
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63 return sid; |
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64 } |
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65 |
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66 public boolean hasSession() { |
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67 return sid != -1; |
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68 } |
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69 |
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70 public String toString(){ |
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71 return ("Editor:" + eid); |
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72 } |
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73 |
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74 public void setEID(int eid) { |
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75 this.eid = eid; |
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76 } |
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77 |
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78 public int getEID(){ |
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79 return eid; |
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80 } |
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81 |
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82 public void setHost(String host){ |
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83 if (channel!=null) |
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84 this.host = host; |
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85 } |
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86 |
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87 |
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88 public String getHost(){ |
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89 return host; |
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90 } |
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91 public REPSocketChannel<REPCommand> getChannel(){ |
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92 return channel; |
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93 |
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94 } |
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95 public void setChannel(REPSocketChannel<REPCommand> channel) { |
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96 this.channel = channel; |
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97 } |
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98 |
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99 public void merge(REPNode editor) { |
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100 if (sid==-1) sid = editor.sid; |
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101 if (file==null) file = editor.file; |
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102 if (host==null) host = editor.host; |
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103 } |
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104 |
387 | 105 public abstract void handle(REPCommand command, REPSelectionKey<REPCommand> key) throws IOException; |
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106 |
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107 |
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108 public abstract void cancel(REPSocketChannel<REPCommand> channel1) ; |
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109 |
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110 public abstract String getLocalHostName(); |
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111 |
450 | 112 /** |
113 * Send to the next REPNode (with possible blocking) | |
114 * @param command | |
115 */ | |
382
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116 public abstract void send(REPCommand command) ; |
450 | 117 |
118 /** | |
119 * write command to the socket channel | |
120 * @param command | |
121 */ | |
122 public abstract void write(REPCommand command) ; | |
382
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123 |
386 | 124 public abstract void sendWithSeq(REPCommand command) ; |
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125 |
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126 public abstract void setQuit2(REPCommand receivedCommand) ; |
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127 |
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128 public abstract int seq() ; |
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129 |
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130 public abstract boolean manage(REPCommand command) ; |
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131 |
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132 |
386 | 133 public abstract void selectSession(REPCommand sendCommand,Session session) ; |
134 | |
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135 public void setMode(REP cmd) { |
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136 mode = cmd; |
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137 } |
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138 |
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139 public boolean isEditor() { |
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140 return mode==REP.SMCMD_JOIN||mode==REP.SMCMD_PUT; |
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141 } |
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142 |
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143 public boolean isForwarder() { |
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144 return mode==REP.SMCMD_SM_JOIN||mode==REP.SMCMD_SM_JOIN_ACK; |
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145 } |
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146 |
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147 public boolean isDirect() { |
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148 return isEditor(); |
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149 } |
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150 |
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151 public REPNode getNextForwarder() { |
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152 return next; |
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153 } |
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154 public void setNext(REPNode f) { |
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155 next = f; |
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156 } |
386 | 157 |
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changeset
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158 |
386 | 159 public void sendSync(REPCommand sync) { |
160 next.sendWithSeq(sync); | |
161 } | |
389 | 162 |
163 public abstract void joinAck(REPCommand sendCommand, int sid) ; | |
164 | |
399 | 165 public abstract void forwardedCommandManage(REPCommand command) ; |
166 | |
167 public abstract void checkWaitingCommandInMerge(); | |
431 | 168 |
450 | 169 public void sendToEditor(REPCommand m) { |
170 send(m); | |
171 } | |
172 | |
399 | 173 |
386 | 174 |
382
4b87f89b3afd
REP Session Manager (Java version)
one@firefly.cr.ie.u-ryukyu.ac.jp
parents:
diff
changeset
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175 } |