Mercurial > hg > RemoteEditor > REPSessionManager
annotate rep/SessionManager.java @ 492:d2afd4efdd2d
remove unMergedCmds, use sentList instead.
| author | one |
|---|---|
| date | Sat, 23 Oct 2010 16:15:14 +0900 |
| parents | cc262a519b8a |
| children | ebfa3b05a8dd |
| 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; |
| 412 | 7 import java.util.LinkedList; |
| 0 | 8 |
| 346 | 9 import org.xml.sax.SAXException; |
| 10 | |
| 198 | 11 |
| 353 | 12 |
| 337 | 13 import rep.channel.REPLogger; |
| 133 | 14 import rep.channel.REPSocketChannel; |
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15 import rep.gui.CloseButtonEvent; |
| 412 | 16 import rep.gui.DoGUIUpdate; |
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17 import rep.gui.SelectButtonEvent; |
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18 import rep.gui.SessionManagerEvent; |
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19 import rep.gui.SessionManagerEventListener; |
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20 import rep.gui.SessionManagerGUI; |
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21 import rep.gui.SessionManagerGUIimpl; |
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22 import rep.handler.Editor; |
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23 import rep.handler.REPNode; |
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24 import rep.handler.FirstConnector; |
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25 import rep.handler.Forwarder; |
| 56 | 26 import rep.xml.SessionXMLDecoder; |
| 45 | 27 import rep.xml.SessionXMLEncoder; |
| 264 | 28 |
| 198 | 29 /* |
| 264 | 30 +-------+--------+--------+-------+--------+---------+------+ |
| 31 | cmd | session| editor | seqid | lineno | textsiz | text | | |
| 32 | | id | id | | | | | | |
| 33 +-------+--------+--------+-------+--------+---------+------+ | |
| 34 o---------- header section (network order) ----------o | |
| 35 | |
| 36 int cmd; kind of command | |
| 37 int sid; session ID : uniqu to editing file | |
| 38 int eid; editor ID : owner editor ID = 1。Session に対して unique | |
| 308 | 39 -1 session manager command |
| 40 -2 merge command | |
| 264 | 41 int seqno; Sequence number : sequence number はエディタごとに管理 |
| 42 int lineno; line number | |
| 43 int textsize; textsize : bytesize | |
| 44 byte[] text; | |
| 198 | 45 */ |
| 1 | 46 |
| 384 | 47 public class SessionManager extends ServerMainLoop |
| 48 implements SessionManagerEventListener { | |
| 49 SessionList sessionList = new SessionList(); | |
| 363 | 50 // Known Session Manager List, At most one parent. No parent means master. |
| 384 | 51 SessionManagerList smList = new SessionManagerList(); |
| 363 | 52 // Known Editor list. Connected Editor has a channel. |
| 53 // Session Manager Channel may have dummy editors. | |
| 391 | 54 public EditorList editorList = new EditorList(); |
| 363 | 55 // Queue limit for debugging purpose. |
| 387 | 56 static final int packetLimit = 400; |
| 358 | 57 |
| 363 | 58 // globalSessionID = SessionManagerID * MAXID + localSessionID |
| 358 | 59 private static final int MAXID = 10000; |
| 353 | 60 SessionXMLDecoder decoder = new SessionXMLDecoder(); |
| 358 | 61 SessionXMLEncoder encoder = new SessionXMLEncoder(); |
| 363 | 62 // SocketChannel for our parent. At most one parent is allowed. |
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63 private REPNode sm_join_channel; |
| 363 | 64 // Routing table for session and session manager. |
| 369 | 65 private RoutingTable routingTable = new RoutingTable(this); |
| 386 | 66 // sync option |
| 67 public boolean sync = true; | |
| 412 | 68 // list olny local editor in GUI |
| 69 protected boolean listLocalEditorOnly = false; | |
| 70 | |
| 384 | 71 static public REPLogger logger = REPLogger.singleton(); |
| 72 | |
| 316 | 73 public static void main(String[] args) throws InterruptedException, IOException { |
| 384 | 74 int port =ServerMainLoop.DEFAULT_PORT; |
| 75 int port_s = ServerMainLoop.DEFAULT_PORT; | |
| 316 | 76 //System.setProperty("file.encoding", "UTF-8"); |
| 77 if(args.length > 0){ | |
| 363 | 78 if (args.length!=2) { |
| 79 logger.writeLog("Usage: sessionManager our_port parent_port"); | |
| 80 return; | |
| 81 } | |
| 316 | 82 port = Integer.parseInt(args[0]); |
| 83 port_s = Integer.parseInt(args[1]); | |
| 84 } | |
| 85 SessionManager sm = new SessionManager(); | |
| 336 | 86 sm.setReceivePort(port); |
| 87 sm.setParentPort(port_s); | |
| 363 | 88 // Ok start main loop |
| 316 | 89 sm.init(port,new SessionManagerGUIimpl(sm)); |
| 90 } | |
| 91 | |
| 280 | 92 public void init(int port, SessionManagerGUI gui) throws IOException, InterruptedException { |
| 384 | 93 mainLoop(this, port, gui); |
| 2 | 94 } |
| 95 | |
| 363 | 96 /* |
| 97 * After loop detection, we give up session manager join. | |
| 98 */ | |
| 99 private void cancel_sm_join() { | |
| 364 | 100 logger.writeLog("Loop detected "+this); |
| 384 | 101 removeChannel(this, sm_join_channel); |
| 355 | 102 sm_join_channel=null; |
| 103 } | |
| 104 | |
| 105 | |
| 106 /** | |
| 363 | 107 * GUI から、呼ばれて、Session Managerに接続する。 |
| 355 | 108 * Host 名のSession Manager に SM_JOIN する。自分は、Session を持っていては |
| 109 * 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)。 | |
| 110 * @param host | |
| 412 | 111 * @return error massage, return null when no errors. |
| 355 | 112 */ |
| 412 | 113 public String connectSessionManager(String host, int port) { |
| 114 if (sm_join_channel!=null) return "No Channel of sessionManager, Network Error."; | |
| 115 if (!sessionList.isEmpty()) return "Cannot connect with sessions."; | |
| 116 if (!smList.isMaster()) return "Already connected to the master."; | |
| 363 | 117 /* |
| 118 * 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 | |
| 119 * ある。 | |
| 120 */ | |
| 1 | 121 InetSocketAddress addr = new InetSocketAddress(host, port); |
| 122 try { | |
| 186 | 123 REPSocketChannel<REPCommand> sessionchannel = REPSocketChannel.<REPCommand>create(new REPCommandPacker()); |
| 1 | 124 sessionchannel.connect(addr); |
| 337 | 125 while(!sessionchannel.finishConnect()); |
| 387 | 126 REPNode sm = new FirstConnector(this,sessionchannel); |
| 355 | 127 registerChannel(sessionchannel, sm); |
| 349 | 128 sm_join(sm); |
| 1 | 129 }catch (IOException e) { |
| 130 } | |
| 412 | 131 return null; |
| 1 | 132 } |
| 364 | 133 |
| 378 | 134 public void connectSessionManager(String host) { |
| 135 connectSessionManager(host,parent_port); | |
| 364 | 136 } |
| 77 | 137 |
| 363 | 138 /** |
| 139 * channel に SMCMD_SM_JOIN command を送る。 | |
| 140 * @param channel | |
| 141 */ | |
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142 private void sm_join(REPNode channel){ |
| 355 | 143 sm_join_channel = channel; |
| 122 | 144 //SM_JOINコマンドを生成。 |
| 77 | 145 REPCommand command = new REPCommand(); |
| 146 command.setCMD(REP.SMCMD_SM_JOIN); | |
| 349 | 147 command.setEID(-1); // request Parent SessionManagerID |
| 148 command.setSID(-1); // request SessionManagerID | |
| 79 | 149 |
| 122 | 150 //hostnameをセット。 |
| 349 | 151 setMyHostName(channel.getLocalHostName()); |
| 82 | 152 |
| 355 | 153 String string = myHost; |
| 77 | 154 command.setString(string); |
| 155 | |
| 122 | 156 //SM_JOINコマンドを送信。 |
| 349 | 157 channel.send(command); |
| 363 | 158 // ack を受け取ったら、SessionManagerのListに追加。ここではやらない。 |
| 77 | 159 } |
| 349 | 160 |
| 361 | 161 /* |
| 162 * Select Session from Manager button | |
| 163 * selected editor is joined editor directly connected to this session | |
| 164 * manager. | |
| 165 */ | |
| 316 | 166 public void selectSession(SelectButtonEvent event) throws IOException { |
| 250 | 167 int sid = event.getSID(); |
| 358 | 168 Session session = sessionList.get(sid); |
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169 if (session==null) throw new IOException(); |
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170 REPNode editor = event.getEditor(); |
| 324 | 171 if (editor.hasSession()) return; |
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172 // assert(getSMID(editor.eid)==smList.sessionManagerID()); |
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173 // assert(editor.channel!=null); |
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174 editor.setSID(sid); // mark as selected |
| 372 | 175 selectSession0(sid, session, editor.getEID(), editor); |
| 176 } | |
| 177 | |
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178 private void selectSession0(int sid, Session session, int eid, REPNode editor) { |
| 389 | 179 logger.writeLog("Select sid="+sid+" and "+editor); |
| 372 | 180 if (editor.isDirect()&&editor.getEID()==eid) { |
| 386 | 181 REPCommand command = new REPCommand(); |
| 182 command.setSID(sid); | |
| 183 command.setEID(eid); | |
| 184 command.setString(session.getName()); | |
| 389 | 185 if(session.hasOwner()){ |
| 186 editor.selectSession(command,session); | |
| 187 }else { | |
| 188 forwardSelect(sid, session, eid, editor); | |
| 189 } | |
| 372 | 190 } else { |
| 191 // we don't have this editor, search the editor first. | |
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192 REPNode next = routingTable.toSessionManager(getSMID(eid)); |
| 372 | 193 // pass the select command to the next path. |
| 194 REPCommand command = new REPCommand(); | |
| 195 command.setCMD(REP.SMCMD_SELECT0); | |
| 196 command.setSID(sid); | |
| 197 command.setEID(eid); | |
| 198 command.setString(editor.getHost()); | |
| 199 next.send(command); | |
| 200 } | |
| 358 | 201 } |
| 202 | |
| 386 | 203 public void forwardSelect(int sid, Session session, int eid, |
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204 REPNode editor) { |
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205 REPNode next; |
| 372 | 206 // session searching continue... |
| 207 next = routingTable.toSessionManager(getSMID(sid)); | |
| 208 // make a forwarding channel here | |
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209 REPNode f = createSessionForwarder(sid, next); |
| 372 | 210 session.setFirstForwarder(f); |
| 211 session.addForwarder(editor); | |
| 212 // pass the select command to the next path. | |
| 213 REPCommand command = new REPCommand(); | |
| 214 command.setCMD(REP.SMCMD_SELECT); | |
| 215 command.setSID(sid); | |
| 216 command.setEID(eid); | |
| 217 command.setString(editor.getHost()); | |
| 218 next.send(command); | |
| 219 } | |
| 220 | |
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221 private REPNode createSessionForwarder(int sid, REPNode editor) { |
| 387 | 222 REPNode f = new Forwarder(this,editor.channel); |
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223 f.setEID(makeID(editorList.newEid())); |
| 387 | 224 // f.setChannel(editor.channel); // incoming channel |
| 372 | 225 f.setHost(myHost); |
| 226 f.setSID(sid); | |
| 227 return f; | |
| 228 } | |
| 229 | |
| 363 | 230 /* |
| 231 * Create and send UPDATE command. | |
| 232 */ | |
| 386 | 233 public void sendUpdate(int sid) { |
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234 REPCommand command = makeREPCommandWithSessionList(REP.SMCMD_UPDATE); |
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235 command.setSID(sid); |
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236 command.setEID(REP.SM_EID.id); |
| 386 | 237 if (isMaster()) { |
| 238 command.setCMD(REP.SMCMD_UPDATE_ACK); | |
| 239 smList.sendToSlaves(command); | |
| 240 } else { | |
| 241 smList.sendToMaster(command); | |
| 242 } | |
| 358 | 243 } |
| 244 | |
| 363 | 245 /* |
| 246 * Create new editor in this sessin manager. A dummy editor | |
| 247 * is created also. | |
| 248 */ | |
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249 public REPNode newEditor(REPSocketChannel<REPCommand> channel) { |
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250 int eid = makeID(editorList.newEid()); |
| 387 | 251 REPNode editor = new Editor(eid, this, channel); |
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252 editorList.add(editor); |
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253 return editor; |
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254 } |
| 363 | 255 |
| 256 /* | |
| 257 * Create new session. | |
| 258 */ | |
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259 public Session newSession(REPNode master) { |
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260 int sid= makeID(sessionList.newSessionID()); |
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261 Session session = new Session(sid, master); |
| 360 | 262 sessionList.put(sid, session); |
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263 return session; |
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264 } |
| 358 | 265 |
| 363 | 266 /* |
| 267 * GUI command interface for close session. | |
| 268 */ | |
| 259 | 269 public void closeSession(SessionManagerEvent event) { |
| 270 Session session = ((CloseButtonEvent) event).getSession(); | |
| 271 session.closeSession(); | |
| 272 sessionList.remove(session); | |
| 412 | 273 manager.updateGUI(this); |
| 259 | 274 } |
| 275 | |
| 363 | 276 /* |
| 277 * Remove editors which has the cannel. | |
| 278 */ | |
| 274 | 279 public void remove(REPSocketChannel<REPCommand> channel) { |
| 358 | 280 int i = 0; |
| 281 for(Session s:sessionList.values()) { | |
| 274 | 282 if (s.deleteEditor(channel)) { |
| 358 | 283 i++; |
| 274 | 284 } |
| 285 } | |
| 358 | 286 assert(i==1); |
| 274 | 287 // can be other session manager? what should I do? |
| 288 } | |
| 289 | |
| 317 | 290 |
| 318 | 291 public void remove(Editor editor) { |
| 358 | 292 Session s = sessionList.get(editor.getSID()); |
| 362 | 293 if (s==null) { |
| 294 assert(false); | |
| 295 editorList.remove(editor); | |
| 296 } else if (editor.isMaster()) { | |
| 358 | 297 removeSession(s); |
| 298 } else { | |
| 299 s.deleteForwarder(editor); | |
| 300 editorList.remove(editor); | |
| 318 | 301 } |
| 412 | 302 manager.updateGUI(this); |
| 341 | 303 } |
| 304 | |
| 305 private void removeSession(Session s0) { | |
| 358 | 306 s0.remove(this); |
| 341 | 307 sessionList.remove(s0); |
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308 sendUpdate(s0.getSID()); |
| 318 | 309 } |
| 310 | |
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311 public boolean sessionManage(REPNode forwarder, REPCommand command) throws ClosedChannelException, |
| 358 | 312 IOException { |
| 355 | 313 switch(command.cmd){ |
| 353 | 314 |
| 315 // Session Manager Command | |
| 316 | |
| 317 case SMCMD_JOIN: | |
| 318 { | |
| 358 | 319 // first connection or forwarded command |
| 367 | 320 routingTable.add(forwarder,getSMID(command.eid)); |
| 358 | 321 if(isMaster()) { |
| 322 REPCommand ackCommand = new REPCommand(); | |
| 323 ackCommand.setCMD(REP.SMCMD_JOIN_ACK); | |
| 324 ackCommand.setEID(command.eid); | |
| 360 | 325 ackCommand.setSID(command.sid); |
| 358 | 326 ackCommand.string = command.string; |
| 327 smList.sendToSlaves(ackCommand); | |
| 328 registEditor(forwarder,ackCommand); | |
| 329 } else { | |
| 330 smList.sendToMaster(command); | |
| 331 } | |
| 412 | 332 manager.updateGUI(this); |
| 353 | 333 } |
| 334 | |
| 335 break; | |
| 336 | |
| 361 | 337 case SMCMD_PUT_ACK: |
| 366 | 338 if (forwarder.isDirect()) { |
| 339 // send put_ack to the editor now. | |
| 340 command.setCMD(REP.SMCMD_PUT_ACK); | |
| 341 command.string = command.string; | |
| 342 command.setEID(command.eid); | |
| 343 command.setSID(command.sid); | |
| 344 forwarder.send(command); | |
| 345 } | |
| 353 | 346 case SMCMD_JOIN_ACK: |
| 358 | 347 registEditor(forwarder,command); |
| 412 | 348 manager.updateGUI(this); |
| 353 | 349 break; |
| 350 | |
| 351 case SMCMD_PUT: | |
| 352 { | |
| 358 | 353 // first connection or forwarded command |
| 367 | 354 routingTable.add(forwarder,getSMID(command.eid)); |
| 370 | 355 REPCommand ack = new REPCommand(command); ack.setCMD(REP.SMCMD_PUT_ACK); |
| 356 if(isMaster()) { | |
| 371 | 357 // Reached to the top of the tree, multicast the ack. |
| 370 | 358 smList.sendToSlaves(ack); |
| 359 registEditor(forwarder,ack); | |
| 371 | 360 if (forwarder.isDirect()) { |
| 361 // If put editor on the master, no SMCMD_PUT_ACK is | |
| 362 // generated. Send ack to the editor now. | |
| 363 forwarder.send(ack); | |
| 364 } | |
| 358 | 365 } else { |
| 371 | 366 // Pass this to the master. |
| 358 | 367 smList.sendToMaster(command); |
| 361 | 368 // registEditor will be done by SMCMD_PUT_ACK |
| 369 } | |
| 412 | 370 manager.updateGUI(this); |
| 353 | 371 |
| 372 } | |
| 373 break; | |
| 358 | 374 |
| 372 | 375 case SMCMD_SELECT0: |
| 376 /* | |
| 377 * finding joining editor, do not make the path. | |
| 378 */ | |
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379 REPNode editor = editorList.get(command.eid); |
| 372 | 380 if (editor==null|| !editor.isDirect()) { |
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381 REPNode next = routingTable.toSessionManager(getSMID(command.eid)); |
| 372 | 382 next.send(command); |
| 383 break; | |
| 384 } | |
| 385 // we've found the editor, fall thru. | |
| 353 | 386 case SMCMD_SELECT: |
| 361 | 387 { |
| 372 | 388 /* |
| 389 * finding active session ring from joined editor. | |
| 390 */ | |
| 361 | 391 Session session = sessionList.get(command.sid); |
| 392 if (session==null) { | |
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393 session = new Session(command.sid, command.string,null); |
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394 sessionList.put(command.sid,session); |
| 361 | 395 } |
| 372 | 396 // Do not directly addForwarder(forwarder). It may be |
| 397 // shared among sessions. | |
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398 REPNode f = createSessionForwarder(command.sid, forwarder); |
| 372 | 399 session.addForwarder(f); // f.next is set up here. |
| 389 | 400 if(session.hasOwner()){ |
| 401 forwarder.selectSession(command,session); | |
| 402 }else { | |
| 403 forwardSelect(command.sid, session, command.eid, forwarder); | |
| 404 } | |
| 361 | 405 } |
| 406 break; | |
| 353 | 407 case SMCMD_SELECT_ACK: |
| 408 { | |
| 369 | 409 // Sessionが見つかったので、select したeditorに教える。 |
| 358 | 410 Session session = sessionList.get(command.sid); |
| 376 | 411 searchSelectedEditor(command,session.getForwarder(forwarder.channel)); |
| 353 | 412 } |
| 358 | 413 break; |
| 414 | |
| 353 | 415 case SMCMD_SM_JOIN: |
| 416 { | |
| 355 | 417 // SM_JOIN中にSMCMD_SM_JOINが来たら、これはループなので、 |
| 418 ///自分のSM_JOINを取り消す。 | |
| 419 if (sm_join_channel!=null) cancel_sm_join(); | |
| 353 | 420 // SMCMD_SM_JOIN は、master まで上昇する。 |
| 421 // masterでなければ、自分のparentに転送する。 | |
| 355 | 422 if(isMaster()) { |
| 353 | 423 // master であれば、SessionManager IDを決めて、 |
| 424 // 自分のsmList に登録 | |
| 377 | 425 registSessionManager(forwarder, command); |
| 355 | 426 } else { |
| 427 if (forwarder.sid==-1) { | |
| 428 // direct link の場合は、識別のために、EIDに直上の | |
| 429 // smid を入れておく。 | |
| 430 command.setEID(smList.sessionManagerID()); | |
| 431 } | |
| 432 smList.sendToMaster(command); | |
| 353 | 433 } |
| 434 } | |
| 435 break; | |
| 386 | 436 |
| 437 case SMCMD_SYNC_ACK: | |
| 438 break; | |
| 439 | |
| 355 | 440 case SMCMD_SM_JOIN_ACK: |
| 441 send_sm_join_ack(command.eid, command.sid, command); | |
| 353 | 442 break; |
| 443 | |
| 444 case SMCMD_UPDATE: | |
| 386 | 445 sendUpdate(command.sid); |
| 446 break; | |
| 353 | 447 case SMCMD_UPDATE_ACK: |
| 358 | 448 command.setString(mergeUpdate(command)); |
| 449 // 下に知らせる | |
| 355 | 450 smList.sendToSlaves(command); |
| 412 | 451 manager.updateGUI(this); |
| 353 | 452 break; |
| 453 default: | |
| 454 return false; | |
| 455 } | |
| 456 return true; | |
| 457 } | |
| 458 | |
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459 private void registSessionManager(REPNode forwarder, REPCommand command) { |
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460 REPNode sm; |
| 377 | 461 int psid = command.eid; |
| 462 if (forwarder.sid!=-1) { | |
| 463 // すでに channelはSessionManager Idを持っていて、 | |
| 464 // direct link ではないので、 | |
| 465 // channel を持たないForwarderとして登録する | |
| 387 | 466 sm = new Forwarder(this,null); |
| 377 | 467 } else { |
| 468 sm = forwarder; | |
| 469 } | |
| 470 int sid = smList.addNewSessionManager(sm,command); | |
| 471 routingTable.add(forwarder,sid); | |
| 472 | |
| 473 REPCommand sendCommand = makeREPCommandWithSessionList(REP.SMCMD_SM_JOIN_ACK); | |
| 474 // command.eid==smList.sesionManagerID() の場合は、 | |
| 475 // 待っている自分の下のsessionManagerにsidをassignする必要がある。 | |
| 476 sendCommand.setSID(sid); // new Session manager ID | |
| 477 // 複数のSM_JOIN_ACKを識別するには、最初にSM_JOINを受け付けた | |
| 478 // Session manager IDを使う。 | |
| 479 sendCommand.setEID(psid); | |
| 480 send_sm_join_ack(psid, sid, sendCommand); | |
| 481 } | |
| 482 | |
| 483 | |
| 484 void send_sm_join_ack(int psid, int sid,REPCommand sendCommand) { | |
| 485 if (psid==smList.sessionManagerID()) { | |
| 486 // 直下のsessionManagerにIDを割り振る必要がある。 | |
| 487 smList.assignSessionManagerIDtoWaitingSM(sid); | |
| 488 // ここで smList に一つだけ追加されるので | |
| 489 // 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。 | |
| 490 } | |
| 491 smList.sendToSlaves(sendCommand); | |
| 492 } | |
| 493 | |
| 372 | 494 /* |
| 495 * 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 | |
| 496 * あり得るので、よろしくない。 | |
| 497 */ | |
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498 private void searchSelectedEditor(REPCommand command, REPNode editor) { |
| 372 | 499 for(;editor.isDirect();editor = editor.getNextForwarder()) { |
| 500 if (editor.getEID()==command.eid) { | |
| 501 // select したeditor を見つけた | |
| 389 | 502 editor.joinAck(command,command.sid); |
| 372 | 503 return; |
| 504 } | |
| 505 } | |
| 506 // ここにはありませんでした。 | |
| 507 editor.send(command); | |
| 508 } | |
| 509 | |
| 355 | 510 |
| 363 | 511 /** |
| 512 * UPDATE/UPDATE_ACKにより送られてきたSessionの情報を追加する | |
| 513 * @param command | |
| 514 * @return | |
| 515 * @throws IOException | |
| 516 */ | |
| 358 | 517 private String mergeUpdate(REPCommand command) throws IOException { |
| 518 SessionList receivedSessionList; | |
| 519 try { | |
| 520 receivedSessionList = decoder.decode(command.string); | |
| 521 } catch (SAXException e) { | |
| 522 throw new IOException(); | |
| 523 } | |
| 363 | 524 // 受け取った情報と自分の情報を混ぜる。 |
| 525 sessionList.merge(receivedSessionList); | |
| 358 | 526 //XMLを生成。送信コマンドにセット。 |
| 527 return encoder.sessionListToXML(sessionList); | |
| 528 | |
| 529 } | |
| 530 | |
| 531 /* | |
| 532 * id has SessionManager ID part | |
| 533 */ | |
| 534 private int makeID(int newid) { | |
| 535 return newid+smList.sessionManagerID()*MAXID; | |
| 536 } | |
| 537 | |
| 384 | 538 int getSMID(int id) { |
| 358 | 539 return id/MAXID; |
| 540 } | |
| 541 | |
| 542 | |
| 361 | 543 /** |
| 544 * Register Editor to our editorList. No connection is made. | |
| 545 * @param forwarder Editor to be add | |
| 546 * @param command | |
| 547 */ | |
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548 public void registEditor(REPNode forwarder,REPCommand command) { |
| 358 | 549 // make ack for PUT/JOIN. Do not send this to the editor, |
| 550 // before select. After select, ack is sent to the editor. | |
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551 REPNode editor; |
| 367 | 552 if (getSMID(command.eid)==smList.sessionManagerID()) { |
| 553 if (forwarder.isDirect()) { | |
| 554 editor = (Editor)forwarder; | |
| 555 } else | |
| 556 return; | |
| 358 | 557 } else { |
| 387 | 558 editor = new Editor(manager, command.eid); |
| 358 | 559 } |
| 560 editor.setName(command.string); | |
| 561 editor.setSID(command.sid); | |
| 562 if (!editorList.hasEid(command.eid)) { | |
| 563 editorList.add(editor); | |
| 564 } | |
| 367 | 565 if (command.cmd==REP.SMCMD_PUT_ACK) { |
| 566 Session session = new Session(command.sid, command.string, editor); | |
| 567 sessionList.put(command.sid, session); | |
| 568 } | |
| 358 | 569 // we don't join ack to the direct linked editor. We |
| 570 // have to wait select command | |
| 571 } | |
| 572 | |
| 573 | |
| 355 | 574 private REPCommand makeREPCommandWithSessionList(REP cmd) { |
| 575 //SessionListからXMLを生成。 | |
| 576 //joinしてきたSessionManagerに対してACKを送信。 | |
| 577 REPCommand sendCommand = new REPCommand(); | |
| 578 sendCommand.setCMD(cmd); | |
| 358 | 579 sendCommand.setString(encoder.sessionListToXML(sessionList)); |
| 355 | 580 return sendCommand; |
| 581 } | |
| 582 | |
| 583 | |
| 584 public boolean isMaster() { | |
| 585 return smList.isMaster(); | |
| 586 } | |
| 587 | |
| 588 | |
| 589 public void setSessionManagerID(int sid) { | |
| 590 smList.setSessionManagerID(sid); | |
| 591 } | |
| 592 | |
| 358 | 593 |
| 594 public Session getSession(int sid) { | |
| 595 return sessionList.get(sid); | |
| 596 } | |
| 597 | |
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598 public void setParent(REPNode fw) { |
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599 smList.setParent(fw); |
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600 } |
| 367 | 601 |
| 602 public String toString() { | |
| 603 int myId = 0; | |
| 604 if (smList!=null) myId = smList.sessionManagerID(); | |
| 384 | 605 return "rep.SessionManager-"+myId+"@"+super.toString(); |
| 367 | 606 } |
| 385 | 607 |
| 608 public void addWaitingSessionManager(REPNode fw, REPCommand command) { | |
| 609 smList.addWaitingSessionManager(fw, command); | |
| 610 } | |
| 389 | 611 |
| 391 | 612 public int getId() { |
| 613 return smList.sessionManagerID(); | |
| 614 } | |
| 615 | |
| 399 | 616 public void checkWaitingCommandInMerge() { |
| 617 for(REPNode e:editorList.values()) { | |
| 618 e.checkWaitingCommandInMerge(); | |
| 619 } | |
| 620 | |
| 621 } | |
| 622 | |
| 412 | 623 /** |
| 624 * Notify status change to our GUI | |
| 625 */ | |
| 626 protected void updateGUI(ServerMainLoop serverMainLoop) { | |
| 627 //リストのコピーをGUIに渡す | |
| 628 LinkedList<Session> sList = new LinkedList<Session>(sessionList.values()); | |
| 629 LinkedList<REPNode> eList; | |
| 630 if (listLocalEditorOnly ) { | |
| 631 // Do not list an editor or session outside of this session manager to | |
| 632 // avoid confusion. Actually we can joinSession to an editor outside of | |
| 633 // this manager, but is not secure to do this. | |
| 634 eList = new LinkedList<REPNode>(); | |
| 635 for(REPNode e:editorList.values()) { | |
| 636 if (getSMID(e.eid)==smList.sessionManagerID()) { | |
| 637 eList.add(e); | |
| 638 } | |
| 639 } | |
| 640 } else { | |
| 641 eList = new LinkedList<REPNode>(editorList.values()); | |
| 642 } | |
| 643 //GUIに反映 | |
| 644 Runnable doRun = new DoGUIUpdate(sList, eList, serverMainLoop.gui); | |
| 645 serverMainLoop.gui.invokeLater(doRun); | |
| 646 } | |
| 647 | |
| 485 | 648 @Override |
| 649 public void deadlockDetected() throws IOException { | |
| 650 logger.writeLog("Deadlock detected"); | |
| 651 for(REPNode e:editorList.values()) { | |
| 652 logger.writeLog(" "+e+"\n"+e.report()); | |
| 653 } | |
| 654 throw new IOException(); | |
| 655 } | |
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656 |
| 0 | 657 } |