Mercurial > hg > RemoteEditor > REPSessionManager
annotate rep/SessionManager.java @ 389:4b535bef903a
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| author | one@firefly.cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Mon, 10 Nov 2008 22:24:21 +0900 |
| parents | 6f356d160e58 |
| children | 3b0a5a55e3ee |
| rev | line source |
|---|---|
| 266 | 1 |
| 0 | 2 package rep; |
| 3 | |
| 4 import java.io.IOException; | |
| 5 import java.net.InetSocketAddress; | |
| 267 | 6 import java.nio.channels.ClosedChannelException; |
| 0 | 7 |
| 346 | 8 import org.xml.sax.SAXException; |
| 9 | |
| 198 | 10 |
| 353 | 11 |
| 337 | 12 import rep.channel.REPLogger; |
| 133 | 13 import rep.channel.REPSocketChannel; |
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14 import rep.gui.CloseButtonEvent; |
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15 import rep.gui.SelectButtonEvent; |
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16 import rep.gui.SessionManagerEvent; |
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17 import rep.gui.SessionManagerEventListener; |
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18 import rep.gui.SessionManagerGUI; |
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19 import rep.gui.SessionManagerGUIimpl; |
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20 import rep.handler.Editor; |
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21 import rep.handler.REPNode; |
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22 import rep.handler.FirstConnector; |
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23 import rep.handler.Forwarder; |
| 56 | 24 import rep.xml.SessionXMLDecoder; |
| 45 | 25 import rep.xml.SessionXMLEncoder; |
| 264 | 26 |
| 198 | 27 /* |
| 264 | 28 +-------+--------+--------+-------+--------+---------+------+ |
| 29 | cmd | session| editor | seqid | lineno | textsiz | text | | |
| 30 | | id | id | | | | | | |
| 31 +-------+--------+--------+-------+--------+---------+------+ | |
| 32 o---------- header section (network order) ----------o | |
| 33 | |
| 34 int cmd; kind of command | |
| 35 int sid; session ID : uniqu to editing file | |
| 36 int eid; editor ID : owner editor ID = 1。Session に対して unique | |
| 308 | 37 -1 session manager command |
| 38 -2 merge command | |
| 264 | 39 int seqno; Sequence number : sequence number はエディタごとに管理 |
| 40 int lineno; line number | |
| 41 int textsize; textsize : bytesize | |
| 42 byte[] text; | |
| 198 | 43 */ |
| 1 | 44 |
| 384 | 45 public class SessionManager extends ServerMainLoop |
| 46 implements SessionManagerEventListener { | |
| 47 SessionList sessionList = new SessionList(); | |
| 363 | 48 // Known Session Manager List, At most one parent. No parent means master. |
| 384 | 49 SessionManagerList smList = new SessionManagerList(); |
| 363 | 50 // Known Editor list. Connected Editor has a channel. |
| 51 // Session Manager Channel may have dummy editors. | |
| 384 | 52 EditorList editorList = new EditorList(); |
| 363 | 53 // Queue limit for debugging purpose. |
| 387 | 54 static final int packetLimit = 400; |
| 358 | 55 |
| 363 | 56 // globalSessionID = SessionManagerID * MAXID + localSessionID |
| 358 | 57 private static final int MAXID = 10000; |
| 353 | 58 SessionXMLDecoder decoder = new SessionXMLDecoder(); |
| 358 | 59 SessionXMLEncoder encoder = new SessionXMLEncoder(); |
| 363 | 60 // SocketChannel for our parent. At most one parent is allowed. |
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61 private REPNode sm_join_channel; |
| 363 | 62 // Routing table for session and session manager. |
| 369 | 63 private RoutingTable routingTable = new RoutingTable(this); |
| 386 | 64 // sync option |
| 65 public boolean sync = true; | |
| 384 | 66 |
| 67 static public REPLogger logger = REPLogger.singleton(); | |
| 68 | |
| 316 | 69 public static void main(String[] args) throws InterruptedException, IOException { |
| 384 | 70 int port =ServerMainLoop.DEFAULT_PORT; |
| 71 int port_s = ServerMainLoop.DEFAULT_PORT; | |
| 316 | 72 //System.setProperty("file.encoding", "UTF-8"); |
| 73 if(args.length > 0){ | |
| 363 | 74 if (args.length!=2) { |
| 75 logger.writeLog("Usage: sessionManager our_port parent_port"); | |
| 76 return; | |
| 77 } | |
| 316 | 78 port = Integer.parseInt(args[0]); |
| 79 port_s = Integer.parseInt(args[1]); | |
| 80 } | |
| 81 SessionManager sm = new SessionManager(); | |
| 336 | 82 sm.setReceivePort(port); |
| 83 sm.setParentPort(port_s); | |
| 363 | 84 // Ok start main loop |
| 316 | 85 sm.init(port,new SessionManagerGUIimpl(sm)); |
| 86 } | |
| 87 | |
| 280 | 88 public void init(int port, SessionManagerGUI gui) throws IOException, InterruptedException { |
| 384 | 89 mainLoop(this, port, gui); |
| 2 | 90 } |
| 91 | |
| 363 | 92 /* |
| 93 * After loop detection, we give up session manager join. | |
| 94 */ | |
| 95 private void cancel_sm_join() { | |
| 364 | 96 logger.writeLog("Loop detected "+this); |
| 384 | 97 removeChannel(this, sm_join_channel); |
| 355 | 98 sm_join_channel=null; |
| 99 } | |
| 100 | |
| 101 | |
| 102 /** | |
| 363 | 103 * GUI から、呼ばれて、Session Managerに接続する。 |
| 355 | 104 * Host 名のSession Manager に SM_JOIN する。自分は、Session を持っていては |
| 105 * ならない。複数のSession Managerにjoinすることは出来ない。(NATを実装するまでは)。 | |
| 106 * @param host | |
| 107 */ | |
| 378 | 108 public void connectSessionManager(String host, int port) { |
| 355 | 109 if (sm_join_channel!=null) return; |
| 110 if (!sessionList.isEmpty()) return; | |
| 111 if (!smList.isMaster()) return; | |
| 363 | 112 /* |
| 113 * IPv6 対応では、複数のアドレスを取って、それのすべてに接続を試す必要が | |
| 114 * ある。 | |
| 115 */ | |
| 1 | 116 InetSocketAddress addr = new InetSocketAddress(host, port); |
| 117 try { | |
| 186 | 118 REPSocketChannel<REPCommand> sessionchannel = REPSocketChannel.<REPCommand>create(new REPCommandPacker()); |
| 1 | 119 sessionchannel.connect(addr); |
| 337 | 120 while(!sessionchannel.finishConnect()); |
| 387 | 121 REPNode sm = new FirstConnector(this,sessionchannel); |
| 355 | 122 registerChannel(sessionchannel, sm); |
| 349 | 123 sm_join(sm); |
| 1 | 124 }catch (IOException e) { |
| 125 } | |
| 126 } | |
| 364 | 127 |
| 378 | 128 public void connectSessionManager(String host) { |
| 129 connectSessionManager(host,parent_port); | |
| 364 | 130 } |
| 77 | 131 |
| 363 | 132 /** |
| 133 * channel に SMCMD_SM_JOIN command を送る。 | |
| 134 * @param channel | |
| 135 */ | |
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136 private void sm_join(REPNode channel){ |
| 355 | 137 sm_join_channel = channel; |
| 122 | 138 //SM_JOINコマンドを生成。 |
| 77 | 139 REPCommand command = new REPCommand(); |
| 140 command.setCMD(REP.SMCMD_SM_JOIN); | |
| 349 | 141 command.setEID(-1); // request Parent SessionManagerID |
| 142 command.setSID(-1); // request SessionManagerID | |
| 79 | 143 |
| 122 | 144 //hostnameをセット。 |
| 349 | 145 setMyHostName(channel.getLocalHostName()); |
| 82 | 146 |
| 355 | 147 String string = myHost; |
| 77 | 148 command.setString(string); |
| 149 | |
| 122 | 150 //SM_JOINコマンドを送信。 |
| 349 | 151 channel.send(command); |
| 363 | 152 // ack を受け取ったら、SessionManagerのListに追加。ここではやらない。 |
| 77 | 153 } |
| 349 | 154 |
| 361 | 155 /* |
| 156 * Select Session from Manager button | |
| 157 * selected editor is joined editor directly connected to this session | |
| 158 * manager. | |
| 159 */ | |
| 316 | 160 public void selectSession(SelectButtonEvent event) throws IOException { |
| 250 | 161 int sid = event.getSID(); |
| 358 | 162 Session session = sessionList.get(sid); |
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163 if (session==null) throw new IOException(); |
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164 REPNode editor = event.getEditor(); |
| 324 | 165 if (editor.hasSession()) return; |
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166 // assert(getSMID(editor.eid)==smList.sessionManagerID()); |
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167 // assert(editor.channel!=null); |
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168 editor.setSID(sid); // mark as selected |
| 372 | 169 selectSession0(sid, session, editor.getEID(), editor); |
| 170 } | |
| 171 | |
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172 private void selectSession0(int sid, Session session, int eid, REPNode editor) { |
| 389 | 173 logger.writeLog("Select sid="+sid+" and "+editor); |
| 372 | 174 if (editor.isDirect()&&editor.getEID()==eid) { |
| 386 | 175 REPCommand command = new REPCommand(); |
| 176 command.setSID(sid); | |
| 177 command.setEID(eid); | |
| 178 command.setString(session.getName()); | |
| 389 | 179 if(session.hasOwner()){ |
| 180 editor.selectSession(command,session); | |
| 181 }else { | |
| 182 forwardSelect(sid, session, eid, editor); | |
| 183 } | |
| 372 | 184 } else { |
| 185 // we don't have this editor, search the editor first. | |
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186 REPNode next = routingTable.toSessionManager(getSMID(eid)); |
| 372 | 187 // pass the select command to the next path. |
| 188 REPCommand command = new REPCommand(); | |
| 189 command.setCMD(REP.SMCMD_SELECT0); | |
| 190 command.setSID(sid); | |
| 191 command.setEID(eid); | |
| 192 command.setString(editor.getHost()); | |
| 193 next.send(command); | |
| 194 } | |
| 358 | 195 } |
| 196 | |
| 386 | 197 public void forwardSelect(int sid, Session session, int eid, |
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198 REPNode editor) { |
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199 REPNode next; |
| 372 | 200 // session searching continue... |
| 201 next = routingTable.toSessionManager(getSMID(sid)); | |
| 202 // make a forwarding channel here | |
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203 REPNode f = createSessionForwarder(sid, next); |
| 372 | 204 session.setFirstForwarder(f); |
| 205 session.addForwarder(editor); | |
| 206 // pass the select command to the next path. | |
| 207 REPCommand command = new REPCommand(); | |
| 208 command.setCMD(REP.SMCMD_SELECT); | |
| 209 command.setSID(sid); | |
| 210 command.setEID(eid); | |
| 211 command.setString(editor.getHost()); | |
| 212 next.send(command); | |
| 213 } | |
| 214 | |
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215 private REPNode createSessionForwarder(int sid, REPNode editor) { |
| 387 | 216 REPNode f = new Forwarder(this,editor.channel); |
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217 f.setEID(makeID(editorList.newEid())); |
| 387 | 218 // f.setChannel(editor.channel); // incoming channel |
| 372 | 219 f.setHost(myHost); |
| 220 f.setSID(sid); | |
| 221 return f; | |
| 222 } | |
| 223 | |
| 363 | 224 /* |
| 225 * Create and send UPDATE command. | |
| 226 */ | |
| 386 | 227 public void sendUpdate(int sid) { |
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228 REPCommand command = makeREPCommandWithSessionList(REP.SMCMD_UPDATE); |
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229 command.setSID(sid); |
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230 command.setEID(REP.SM_EID.id); |
| 386 | 231 if (isMaster()) { |
| 232 command.setCMD(REP.SMCMD_UPDATE_ACK); | |
| 233 smList.sendToSlaves(command); | |
| 234 } else { | |
| 235 smList.sendToMaster(command); | |
| 236 } | |
| 358 | 237 } |
| 238 | |
| 363 | 239 /* |
| 240 * Create new editor in this sessin manager. A dummy editor | |
| 241 * is created also. | |
| 242 */ | |
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243 public REPNode newEditor(REPSocketChannel<REPCommand> channel) { |
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244 int eid = makeID(editorList.newEid()); |
| 387 | 245 REPNode editor = new Editor(eid, this, channel); |
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246 editorList.add(editor); |
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247 return editor; |
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248 } |
| 363 | 249 |
| 250 /* | |
| 251 * Create new session. | |
| 252 */ | |
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253 public Session newSession(REPNode master) { |
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254 int sid= makeID(sessionList.newSessionID()); |
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255 Session session = new Session(sid, master); |
| 360 | 256 sessionList.put(sid, session); |
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257 return session; |
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258 } |
| 358 | 259 |
| 363 | 260 /* |
| 261 * GUI command interface for close session. | |
| 262 */ | |
| 259 | 263 public void closeSession(SessionManagerEvent event) { |
| 264 Session session = ((CloseButtonEvent) event).getSession(); | |
| 265 session.closeSession(); | |
| 266 sessionList.remove(session); | |
| 267 updateGUI(); | |
| 268 } | |
| 269 | |
| 363 | 270 /* |
| 271 * Remove editors which has the cannel. | |
| 272 */ | |
| 274 | 273 public void remove(REPSocketChannel<REPCommand> channel) { |
| 358 | 274 int i = 0; |
| 275 for(Session s:sessionList.values()) { | |
| 274 | 276 if (s.deleteEditor(channel)) { |
| 358 | 277 i++; |
| 274 | 278 } |
| 279 } | |
| 358 | 280 assert(i==1); |
| 274 | 281 // can be other session manager? what should I do? |
| 282 } | |
| 283 | |
| 317 | 284 |
| 318 | 285 public void remove(Editor editor) { |
| 358 | 286 Session s = sessionList.get(editor.getSID()); |
| 362 | 287 if (s==null) { |
| 288 assert(false); | |
| 289 editorList.remove(editor); | |
| 290 } else if (editor.isMaster()) { | |
| 358 | 291 removeSession(s); |
| 292 } else { | |
| 293 s.deleteForwarder(editor); | |
| 294 editorList.remove(editor); | |
| 318 | 295 } |
| 341 | 296 updateGUI(); |
| 297 } | |
| 298 | |
| 299 private void removeSession(Session s0) { | |
| 358 | 300 s0.remove(this); |
| 341 | 301 sessionList.remove(s0); |
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302 sendUpdate(s0.getSID()); |
| 318 | 303 } |
| 304 | |
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305 public boolean sessionManage(REPNode forwarder, REPCommand command) throws ClosedChannelException, |
| 358 | 306 IOException { |
| 355 | 307 switch(command.cmd){ |
| 353 | 308 |
| 309 // Session Manager Command | |
| 310 | |
| 311 case SMCMD_JOIN: | |
| 312 { | |
| 358 | 313 // first connection or forwarded command |
| 367 | 314 routingTable.add(forwarder,getSMID(command.eid)); |
| 358 | 315 if(isMaster()) { |
| 316 REPCommand ackCommand = new REPCommand(); | |
| 317 ackCommand.setCMD(REP.SMCMD_JOIN_ACK); | |
| 318 ackCommand.setEID(command.eid); | |
| 360 | 319 ackCommand.setSID(command.sid); |
| 358 | 320 ackCommand.string = command.string; |
| 321 smList.sendToSlaves(ackCommand); | |
| 322 registEditor(forwarder,ackCommand); | |
| 323 } else { | |
| 324 smList.sendToMaster(command); | |
| 325 } | |
| 360 | 326 updateGUI(); |
| 353 | 327 } |
| 328 | |
| 329 break; | |
| 330 | |
| 361 | 331 case SMCMD_PUT_ACK: |
| 366 | 332 if (forwarder.isDirect()) { |
| 333 // send put_ack to the editor now. | |
| 334 command.setCMD(REP.SMCMD_PUT_ACK); | |
| 335 command.string = command.string; | |
| 336 command.setEID(command.eid); | |
| 337 command.setSID(command.sid); | |
| 338 forwarder.send(command); | |
| 339 } | |
| 353 | 340 case SMCMD_JOIN_ACK: |
| 358 | 341 registEditor(forwarder,command); |
| 360 | 342 updateGUI(); |
| 353 | 343 break; |
| 344 | |
| 345 case SMCMD_PUT: | |
| 346 { | |
| 358 | 347 // first connection or forwarded command |
| 367 | 348 routingTable.add(forwarder,getSMID(command.eid)); |
| 370 | 349 REPCommand ack = new REPCommand(command); ack.setCMD(REP.SMCMD_PUT_ACK); |
| 350 if(isMaster()) { | |
| 371 | 351 // Reached to the top of the tree, multicast the ack. |
| 370 | 352 smList.sendToSlaves(ack); |
| 353 registEditor(forwarder,ack); | |
| 371 | 354 if (forwarder.isDirect()) { |
| 355 // If put editor on the master, no SMCMD_PUT_ACK is | |
| 356 // generated. Send ack to the editor now. | |
| 357 forwarder.send(ack); | |
| 358 } | |
| 358 | 359 } else { |
| 371 | 360 // Pass this to the master. |
| 358 | 361 smList.sendToMaster(command); |
| 361 | 362 // registEditor will be done by SMCMD_PUT_ACK |
| 363 } | |
| 360 | 364 updateGUI(); |
| 353 | 365 |
| 366 } | |
| 367 break; | |
| 358 | 368 |
| 372 | 369 case SMCMD_SELECT0: |
| 370 /* | |
| 371 * finding joining editor, do not make the path. | |
| 372 */ | |
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373 REPNode editor = editorList.get(command.eid); |
| 372 | 374 if (editor==null|| !editor.isDirect()) { |
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375 REPNode next = routingTable.toSessionManager(getSMID(command.eid)); |
| 372 | 376 next.send(command); |
| 377 break; | |
| 378 } | |
| 379 // we've found the editor, fall thru. | |
| 353 | 380 case SMCMD_SELECT: |
| 361 | 381 { |
| 372 | 382 /* |
| 383 * finding active session ring from joined editor. | |
| 384 */ | |
| 361 | 385 Session session = sessionList.get(command.sid); |
| 386 if (session==null) { | |
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387 session = new Session(command.sid, command.string,null); |
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388 sessionList.put(command.sid,session); |
| 361 | 389 } |
| 372 | 390 // Do not directly addForwarder(forwarder). It may be |
| 391 // shared among sessions. | |
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392 REPNode f = createSessionForwarder(command.sid, forwarder); |
| 372 | 393 session.addForwarder(f); // f.next is set up here. |
| 389 | 394 if(session.hasOwner()){ |
| 395 forwarder.selectSession(command,session); | |
| 396 }else { | |
| 397 forwardSelect(command.sid, session, command.eid, forwarder); | |
| 398 } | |
| 361 | 399 } |
| 400 break; | |
| 353 | 401 case SMCMD_SELECT_ACK: |
| 402 { | |
| 369 | 403 // Sessionが見つかったので、select したeditorに教える。 |
| 358 | 404 Session session = sessionList.get(command.sid); |
| 376 | 405 searchSelectedEditor(command,session.getForwarder(forwarder.channel)); |
| 353 | 406 } |
| 358 | 407 break; |
| 408 | |
| 353 | 409 case SMCMD_SM_JOIN: |
| 410 { | |
| 355 | 411 // SM_JOIN中にSMCMD_SM_JOINが来たら、これはループなので、 |
| 412 ///自分のSM_JOINを取り消す。 | |
| 413 if (sm_join_channel!=null) cancel_sm_join(); | |
| 353 | 414 // SMCMD_SM_JOIN は、master まで上昇する。 |
| 415 // masterでなければ、自分のparentに転送する。 | |
| 355 | 416 if(isMaster()) { |
| 353 | 417 // master であれば、SessionManager IDを決めて、 |
| 418 // 自分のsmList に登録 | |
| 377 | 419 registSessionManager(forwarder, command); |
| 355 | 420 } else { |
| 421 if (forwarder.sid==-1) { | |
| 422 // direct link の場合は、識別のために、EIDに直上の | |
| 423 // smid を入れておく。 | |
| 424 command.setEID(smList.sessionManagerID()); | |
| 425 } | |
| 426 smList.sendToMaster(command); | |
| 353 | 427 } |
| 428 } | |
| 429 break; | |
| 386 | 430 |
| 431 case SMCMD_SYNC_ACK: | |
| 432 break; | |
| 433 | |
| 355 | 434 case SMCMD_SM_JOIN_ACK: |
| 435 send_sm_join_ack(command.eid, command.sid, command); | |
| 353 | 436 break; |
| 437 | |
| 438 case SMCMD_UPDATE: | |
| 386 | 439 sendUpdate(command.sid); |
| 440 break; | |
| 353 | 441 case SMCMD_UPDATE_ACK: |
| 358 | 442 command.setString(mergeUpdate(command)); |
| 443 // 下に知らせる | |
| 355 | 444 smList.sendToSlaves(command); |
| 358 | 445 updateGUI(); |
| 353 | 446 break; |
| 447 default: | |
| 448 return false; | |
| 449 } | |
| 450 return true; | |
| 451 } | |
| 452 | |
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453 private void registSessionManager(REPNode forwarder, REPCommand command) { |
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454 REPNode sm; |
| 377 | 455 int psid = command.eid; |
| 456 if (forwarder.sid!=-1) { | |
| 457 // すでに channelはSessionManager Idを持っていて、 | |
| 458 // direct link ではないので、 | |
| 459 // channel を持たないForwarderとして登録する | |
| 387 | 460 sm = new Forwarder(this,null); |
| 377 | 461 } else { |
| 462 sm = forwarder; | |
| 463 } | |
| 464 int sid = smList.addNewSessionManager(sm,command); | |
| 465 routingTable.add(forwarder,sid); | |
| 466 | |
| 467 REPCommand sendCommand = makeREPCommandWithSessionList(REP.SMCMD_SM_JOIN_ACK); | |
| 468 // command.eid==smList.sesionManagerID() の場合は、 | |
| 469 // 待っている自分の下のsessionManagerにsidをassignする必要がある。 | |
| 470 sendCommand.setSID(sid); // new Session manager ID | |
| 471 // 複数のSM_JOIN_ACKを識別するには、最初にSM_JOINを受け付けた | |
| 472 // Session manager IDを使う。 | |
| 473 sendCommand.setEID(psid); | |
| 474 send_sm_join_ack(psid, sid, sendCommand); | |
| 475 } | |
| 476 | |
| 477 | |
| 478 void send_sm_join_ack(int psid, int sid,REPCommand sendCommand) { | |
| 479 if (psid==smList.sessionManagerID()) { | |
| 480 // 直下のsessionManagerにIDを割り振る必要がある。 | |
| 481 smList.assignSessionManagerIDtoWaitingSM(sid); | |
| 482 // ここで smList に一つだけ追加されるので | |
| 483 // 待っている最初のsm一つにだけ、sm_join_ackが新たに送られる。 | |
| 484 } | |
| 485 smList.sendToSlaves(sendCommand); | |
| 486 } | |
| 487 | |
| 372 | 488 /* |
| 489 * 指定されたeditorがlocalにあるかどうかを調べる。なければ、他に送る。戻って何回も探すことが | |
| 490 * あり得るので、よろしくない。 | |
| 491 */ | |
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492 private void searchSelectedEditor(REPCommand command, REPNode editor) { |
| 372 | 493 for(;editor.isDirect();editor = editor.getNextForwarder()) { |
| 494 if (editor.getEID()==command.eid) { | |
| 495 // select したeditor を見つけた | |
| 389 | 496 editor.joinAck(command,command.sid); |
| 372 | 497 return; |
| 498 } | |
| 499 } | |
| 500 // ここにはありませんでした。 | |
| 501 editor.send(command); | |
| 502 } | |
| 503 | |
| 355 | 504 |
| 363 | 505 /** |
| 506 * UPDATE/UPDATE_ACKにより送られてきたSessionの情報を追加する | |
| 507 * @param command | |
| 508 * @return | |
| 509 * @throws IOException | |
| 510 */ | |
| 358 | 511 private String mergeUpdate(REPCommand command) throws IOException { |
| 512 SessionList receivedSessionList; | |
| 513 try { | |
| 514 receivedSessionList = decoder.decode(command.string); | |
| 515 } catch (SAXException e) { | |
| 516 throw new IOException(); | |
| 517 } | |
| 363 | 518 // 受け取った情報と自分の情報を混ぜる。 |
| 519 sessionList.merge(receivedSessionList); | |
| 358 | 520 //XMLを生成。送信コマンドにセット。 |
| 521 return encoder.sessionListToXML(sessionList); | |
| 522 | |
| 523 } | |
| 524 | |
| 525 /* | |
| 526 * id has SessionManager ID part | |
| 527 */ | |
| 528 private int makeID(int newid) { | |
| 529 return newid+smList.sessionManagerID()*MAXID; | |
| 530 } | |
| 531 | |
| 384 | 532 int getSMID(int id) { |
| 358 | 533 return id/MAXID; |
| 534 } | |
| 535 | |
| 536 | |
| 361 | 537 /** |
| 538 * Register Editor to our editorList. No connection is made. | |
| 539 * @param forwarder Editor to be add | |
| 540 * @param command | |
| 541 */ | |
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542 public void registEditor(REPNode forwarder,REPCommand command) { |
| 358 | 543 // make ack for PUT/JOIN. Do not send this to the editor, |
| 544 // before select. After select, ack is sent to the editor. | |
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545 REPNode editor; |
| 367 | 546 if (getSMID(command.eid)==smList.sessionManagerID()) { |
| 547 if (forwarder.isDirect()) { | |
| 548 editor = (Editor)forwarder; | |
| 549 } else | |
| 550 return; | |
| 358 | 551 } else { |
| 387 | 552 editor = new Editor(manager, command.eid); |
| 358 | 553 } |
| 554 editor.setName(command.string); | |
| 555 editor.setSID(command.sid); | |
| 556 if (!editorList.hasEid(command.eid)) { | |
| 557 editorList.add(editor); | |
| 558 } | |
| 367 | 559 if (command.cmd==REP.SMCMD_PUT_ACK) { |
| 560 Session session = new Session(command.sid, command.string, editor); | |
| 561 sessionList.put(command.sid, session); | |
| 562 } | |
| 358 | 563 // we don't join ack to the direct linked editor. We |
| 564 // have to wait select command | |
| 565 } | |
| 566 | |
| 567 | |
| 355 | 568 private REPCommand makeREPCommandWithSessionList(REP cmd) { |
| 569 //SessionListからXMLを生成。 | |
| 570 //joinしてきたSessionManagerに対してACKを送信。 | |
| 571 REPCommand sendCommand = new REPCommand(); | |
| 572 sendCommand.setCMD(cmd); | |
| 358 | 573 sendCommand.setString(encoder.sessionListToXML(sessionList)); |
| 355 | 574 return sendCommand; |
| 575 } | |
| 576 | |
| 577 | |
| 578 public boolean isMaster() { | |
| 579 return smList.isMaster(); | |
| 580 } | |
| 581 | |
| 582 | |
| 583 public void setSessionManagerID(int sid) { | |
| 584 smList.setSessionManagerID(sid); | |
| 585 } | |
| 586 | |
| 358 | 587 |
| 588 public Session getSession(int sid) { | |
| 589 return sessionList.get(sid); | |
| 590 } | |
| 591 | |
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592 public void setParent(REPNode fw) { |
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593 smList.setParent(fw); |
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594 } |
| 367 | 595 |
| 596 public String toString() { | |
| 597 int myId = 0; | |
| 598 if (smList!=null) myId = smList.sessionManagerID(); | |
| 384 | 599 return "rep.SessionManager-"+myId+"@"+super.toString(); |
| 367 | 600 } |
| 385 | 601 |
| 602 public void addWaitingSessionManager(REPNode fw, REPCommand command) { | |
| 603 smList.addWaitingSessionManager(fw, command); | |
| 604 } | |
| 389 | 605 |
| 0 | 606 } |