Mercurial > hg > RemoteEditor > REPSessionManager
annotate rep/SessionManager.java @ 391:3b0a5a55e3ee
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| author | one@firefly.cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Mon, 10 Nov 2008 22:25:14 +0900 |
| parents | 4b535bef903a |
| children | 85d01cb6d133 |
| 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; |
| 391 | 26 import test.sematest.TestGUI; |
| 264 | 27 |
| 198 | 28 /* |
| 264 | 29 +-------+--------+--------+-------+--------+---------+------+ |
| 30 | cmd | session| editor | seqid | lineno | textsiz | text | | |
| 31 | | id | id | | | | | | |
| 32 +-------+--------+--------+-------+--------+---------+------+ | |
| 33 o---------- header section (network order) ----------o | |
| 34 | |
| 35 int cmd; kind of command | |
| 36 int sid; session ID : uniqu to editing file | |
| 37 int eid; editor ID : owner editor ID = 1。Session に対して unique | |
| 308 | 38 -1 session manager command |
| 39 -2 merge command | |
| 264 | 40 int seqno; Sequence number : sequence number はエディタごとに管理 |
| 41 int lineno; line number | |
| 42 int textsize; textsize : bytesize | |
| 43 byte[] text; | |
| 198 | 44 */ |
| 1 | 45 |
| 384 | 46 public class SessionManager extends ServerMainLoop |
| 47 implements SessionManagerEventListener { | |
| 48 SessionList sessionList = new SessionList(); | |
| 363 | 49 // Known Session Manager List, At most one parent. No parent means master. |
| 384 | 50 SessionManagerList smList = new SessionManagerList(); |
| 363 | 51 // Known Editor list. Connected Editor has a channel. |
| 52 // Session Manager Channel may have dummy editors. | |
| 391 | 53 public EditorList editorList = new EditorList(); |
| 363 | 54 // Queue limit for debugging purpose. |
| 387 | 55 static final int packetLimit = 400; |
| 358 | 56 |
| 363 | 57 // globalSessionID = SessionManagerID * MAXID + localSessionID |
| 358 | 58 private static final int MAXID = 10000; |
| 353 | 59 SessionXMLDecoder decoder = new SessionXMLDecoder(); |
| 358 | 60 SessionXMLEncoder encoder = new SessionXMLEncoder(); |
| 363 | 61 // SocketChannel for our parent. At most one parent is allowed. |
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62 private REPNode sm_join_channel; |
| 363 | 63 // Routing table for session and session manager. |
| 369 | 64 private RoutingTable routingTable = new RoutingTable(this); |
| 386 | 65 // sync option |
| 66 public boolean sync = true; | |
| 384 | 67 |
| 68 static public REPLogger logger = REPLogger.singleton(); | |
| 69 | |
| 316 | 70 public static void main(String[] args) throws InterruptedException, IOException { |
| 384 | 71 int port =ServerMainLoop.DEFAULT_PORT; |
| 72 int port_s = ServerMainLoop.DEFAULT_PORT; | |
| 316 | 73 //System.setProperty("file.encoding", "UTF-8"); |
| 74 if(args.length > 0){ | |
| 363 | 75 if (args.length!=2) { |
| 76 logger.writeLog("Usage: sessionManager our_port parent_port"); | |
| 77 return; | |
| 78 } | |
| 316 | 79 port = Integer.parseInt(args[0]); |
| 80 port_s = Integer.parseInt(args[1]); | |
| 81 } | |
| 82 SessionManager sm = new SessionManager(); | |
| 336 | 83 sm.setReceivePort(port); |
| 84 sm.setParentPort(port_s); | |
| 363 | 85 // Ok start main loop |
| 316 | 86 sm.init(port,new SessionManagerGUIimpl(sm)); |
| 87 } | |
| 88 | |
| 280 | 89 public void init(int port, SessionManagerGUI gui) throws IOException, InterruptedException { |
| 384 | 90 mainLoop(this, port, gui); |
| 2 | 91 } |
| 92 | |
| 363 | 93 /* |
| 94 * After loop detection, we give up session manager join. | |
| 95 */ | |
| 96 private void cancel_sm_join() { | |
| 364 | 97 logger.writeLog("Loop detected "+this); |
| 384 | 98 removeChannel(this, sm_join_channel); |
| 355 | 99 sm_join_channel=null; |
| 100 } | |
| 101 | |
| 102 | |
| 103 /** | |
| 363 | 104 * GUI から、呼ばれて、Session Managerに接続する。 |
| 355 | 105 * Host 名のSession Manager に SM_JOIN する。自分は、Session を持っていては |
| 106 * 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)。 | |
| 107 * @param host | |
| 108 */ | |
| 378 | 109 public void connectSessionManager(String host, int port) { |
| 355 | 110 if (sm_join_channel!=null) return; |
| 111 if (!sessionList.isEmpty()) return; | |
| 112 if (!smList.isMaster()) return; | |
| 363 | 113 /* |
| 114 * 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 | |
| 115 * ある。 | |
| 116 */ | |
| 1 | 117 InetSocketAddress addr = new InetSocketAddress(host, port); |
| 118 try { | |
| 186 | 119 REPSocketChannel<REPCommand> sessionchannel = REPSocketChannel.<REPCommand>create(new REPCommandPacker()); |
| 1 | 120 sessionchannel.connect(addr); |
| 337 | 121 while(!sessionchannel.finishConnect()); |
| 387 | 122 REPNode sm = new FirstConnector(this,sessionchannel); |
| 355 | 123 registerChannel(sessionchannel, sm); |
| 349 | 124 sm_join(sm); |
| 1 | 125 }catch (IOException e) { |
| 126 } | |
| 127 } | |
| 364 | 128 |
| 378 | 129 public void connectSessionManager(String host) { |
| 130 connectSessionManager(host,parent_port); | |
| 364 | 131 } |
| 77 | 132 |
| 363 | 133 /** |
| 134 * channel に SMCMD_SM_JOIN command を送る。 | |
| 135 * @param channel | |
| 136 */ | |
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137 private void sm_join(REPNode channel){ |
| 355 | 138 sm_join_channel = channel; |
| 122 | 139 //SM_JOINコマンドを生成。 |
| 77 | 140 REPCommand command = new REPCommand(); |
| 141 command.setCMD(REP.SMCMD_SM_JOIN); | |
| 349 | 142 command.setEID(-1); // request Parent SessionManagerID |
| 143 command.setSID(-1); // request SessionManagerID | |
| 79 | 144 |
| 122 | 145 //hostnameをセット。 |
| 349 | 146 setMyHostName(channel.getLocalHostName()); |
| 82 | 147 |
| 355 | 148 String string = myHost; |
| 77 | 149 command.setString(string); |
| 150 | |
| 122 | 151 //SM_JOINコマンドを送信。 |
| 349 | 152 channel.send(command); |
| 363 | 153 // ack を受け取ったら、SessionManagerのListに追加。ここではやらない。 |
| 77 | 154 } |
| 349 | 155 |
| 361 | 156 /* |
| 157 * Select Session from Manager button | |
| 158 * selected editor is joined editor directly connected to this session | |
| 159 * manager. | |
| 160 */ | |
| 316 | 161 public void selectSession(SelectButtonEvent event) throws IOException { |
| 250 | 162 int sid = event.getSID(); |
| 358 | 163 Session session = sessionList.get(sid); |
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164 if (session==null) throw new IOException(); |
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165 REPNode editor = event.getEditor(); |
| 324 | 166 if (editor.hasSession()) return; |
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167 // assert(getSMID(editor.eid)==smList.sessionManagerID()); |
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168 // assert(editor.channel!=null); |
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169 editor.setSID(sid); // mark as selected |
| 372 | 170 selectSession0(sid, session, editor.getEID(), editor); |
| 171 } | |
| 172 | |
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173 private void selectSession0(int sid, Session session, int eid, REPNode editor) { |
| 389 | 174 logger.writeLog("Select sid="+sid+" and "+editor); |
| 372 | 175 if (editor.isDirect()&&editor.getEID()==eid) { |
| 386 | 176 REPCommand command = new REPCommand(); |
| 177 command.setSID(sid); | |
| 178 command.setEID(eid); | |
| 179 command.setString(session.getName()); | |
| 389 | 180 if(session.hasOwner()){ |
| 181 editor.selectSession(command,session); | |
| 182 }else { | |
| 183 forwardSelect(sid, session, eid, editor); | |
| 184 } | |
| 372 | 185 } else { |
| 186 // we don't have this editor, search the editor first. | |
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187 REPNode next = routingTable.toSessionManager(getSMID(eid)); |
| 372 | 188 // pass the select command to the next path. |
| 189 REPCommand command = new REPCommand(); | |
| 190 command.setCMD(REP.SMCMD_SELECT0); | |
| 191 command.setSID(sid); | |
| 192 command.setEID(eid); | |
| 193 command.setString(editor.getHost()); | |
| 194 next.send(command); | |
| 195 } | |
| 358 | 196 } |
| 197 | |
| 386 | 198 public void forwardSelect(int sid, Session session, int eid, |
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199 REPNode editor) { |
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200 REPNode next; |
| 372 | 201 // session searching continue... |
| 202 next = routingTable.toSessionManager(getSMID(sid)); | |
| 203 // make a forwarding channel here | |
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204 REPNode f = createSessionForwarder(sid, next); |
| 372 | 205 session.setFirstForwarder(f); |
| 206 session.addForwarder(editor); | |
| 207 // pass the select command to the next path. | |
| 208 REPCommand command = new REPCommand(); | |
| 209 command.setCMD(REP.SMCMD_SELECT); | |
| 210 command.setSID(sid); | |
| 211 command.setEID(eid); | |
| 212 command.setString(editor.getHost()); | |
| 213 next.send(command); | |
| 214 } | |
| 215 | |
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216 private REPNode createSessionForwarder(int sid, REPNode editor) { |
| 387 | 217 REPNode f = new Forwarder(this,editor.channel); |
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218 f.setEID(makeID(editorList.newEid())); |
| 387 | 219 // f.setChannel(editor.channel); // incoming channel |
| 372 | 220 f.setHost(myHost); |
| 221 f.setSID(sid); | |
| 222 return f; | |
| 223 } | |
| 224 | |
| 363 | 225 /* |
| 226 * Create and send UPDATE command. | |
| 227 */ | |
| 386 | 228 public void sendUpdate(int sid) { |
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229 REPCommand command = makeREPCommandWithSessionList(REP.SMCMD_UPDATE); |
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230 command.setSID(sid); |
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231 command.setEID(REP.SM_EID.id); |
| 386 | 232 if (isMaster()) { |
| 233 command.setCMD(REP.SMCMD_UPDATE_ACK); | |
| 234 smList.sendToSlaves(command); | |
| 235 } else { | |
| 236 smList.sendToMaster(command); | |
| 237 } | |
| 358 | 238 } |
| 239 | |
| 363 | 240 /* |
| 241 * Create new editor in this sessin manager. A dummy editor | |
| 242 * is created also. | |
| 243 */ | |
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244 public REPNode newEditor(REPSocketChannel<REPCommand> channel) { |
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245 int eid = makeID(editorList.newEid()); |
| 387 | 246 REPNode editor = new Editor(eid, this, channel); |
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247 editorList.add(editor); |
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248 return editor; |
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249 } |
| 363 | 250 |
| 251 /* | |
| 252 * Create new session. | |
| 253 */ | |
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254 public Session newSession(REPNode master) { |
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255 int sid= makeID(sessionList.newSessionID()); |
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256 Session session = new Session(sid, master); |
| 360 | 257 sessionList.put(sid, session); |
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258 return session; |
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259 } |
| 358 | 260 |
| 363 | 261 /* |
| 262 * GUI command interface for close session. | |
| 263 */ | |
| 259 | 264 public void closeSession(SessionManagerEvent event) { |
| 265 Session session = ((CloseButtonEvent) event).getSession(); | |
| 266 session.closeSession(); | |
| 267 sessionList.remove(session); | |
| 268 updateGUI(); | |
| 269 } | |
| 270 | |
| 363 | 271 /* |
| 272 * Remove editors which has the cannel. | |
| 273 */ | |
| 274 | 274 public void remove(REPSocketChannel<REPCommand> channel) { |
| 358 | 275 int i = 0; |
| 276 for(Session s:sessionList.values()) { | |
| 274 | 277 if (s.deleteEditor(channel)) { |
| 358 | 278 i++; |
| 274 | 279 } |
| 280 } | |
| 358 | 281 assert(i==1); |
| 274 | 282 // can be other session manager? what should I do? |
| 283 } | |
| 284 | |
| 317 | 285 |
| 318 | 286 public void remove(Editor editor) { |
| 358 | 287 Session s = sessionList.get(editor.getSID()); |
| 362 | 288 if (s==null) { |
| 289 assert(false); | |
| 290 editorList.remove(editor); | |
| 291 } else if (editor.isMaster()) { | |
| 358 | 292 removeSession(s); |
| 293 } else { | |
| 294 s.deleteForwarder(editor); | |
| 295 editorList.remove(editor); | |
| 318 | 296 } |
| 341 | 297 updateGUI(); |
| 298 } | |
| 299 | |
| 300 private void removeSession(Session s0) { | |
| 358 | 301 s0.remove(this); |
| 341 | 302 sessionList.remove(s0); |
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303 sendUpdate(s0.getSID()); |
| 318 | 304 } |
| 305 | |
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306 public boolean sessionManage(REPNode forwarder, REPCommand command) throws ClosedChannelException, |
| 358 | 307 IOException { |
| 355 | 308 switch(command.cmd){ |
| 353 | 309 |
| 310 // Session Manager Command | |
| 311 | |
| 312 case SMCMD_JOIN: | |
| 313 { | |
| 358 | 314 // first connection or forwarded command |
| 367 | 315 routingTable.add(forwarder,getSMID(command.eid)); |
| 358 | 316 if(isMaster()) { |
| 317 REPCommand ackCommand = new REPCommand(); | |
| 318 ackCommand.setCMD(REP.SMCMD_JOIN_ACK); | |
| 319 ackCommand.setEID(command.eid); | |
| 360 | 320 ackCommand.setSID(command.sid); |
| 358 | 321 ackCommand.string = command.string; |
| 322 smList.sendToSlaves(ackCommand); | |
| 323 registEditor(forwarder,ackCommand); | |
| 324 } else { | |
| 325 smList.sendToMaster(command); | |
| 326 } | |
| 360 | 327 updateGUI(); |
| 353 | 328 } |
| 329 | |
| 330 break; | |
| 331 | |
| 361 | 332 case SMCMD_PUT_ACK: |
| 366 | 333 if (forwarder.isDirect()) { |
| 334 // send put_ack to the editor now. | |
| 335 command.setCMD(REP.SMCMD_PUT_ACK); | |
| 336 command.string = command.string; | |
| 337 command.setEID(command.eid); | |
| 338 command.setSID(command.sid); | |
| 339 forwarder.send(command); | |
| 340 } | |
| 353 | 341 case SMCMD_JOIN_ACK: |
| 358 | 342 registEditor(forwarder,command); |
| 360 | 343 updateGUI(); |
| 353 | 344 break; |
| 345 | |
| 346 case SMCMD_PUT: | |
| 347 { | |
| 358 | 348 // first connection or forwarded command |
| 367 | 349 routingTable.add(forwarder,getSMID(command.eid)); |
| 370 | 350 REPCommand ack = new REPCommand(command); ack.setCMD(REP.SMCMD_PUT_ACK); |
| 351 if(isMaster()) { | |
| 371 | 352 // Reached to the top of the tree, multicast the ack. |
| 370 | 353 smList.sendToSlaves(ack); |
| 354 registEditor(forwarder,ack); | |
| 371 | 355 if (forwarder.isDirect()) { |
| 356 // If put editor on the master, no SMCMD_PUT_ACK is | |
| 357 // generated. Send ack to the editor now. | |
| 358 forwarder.send(ack); | |
| 359 } | |
| 358 | 360 } else { |
| 371 | 361 // Pass this to the master. |
| 358 | 362 smList.sendToMaster(command); |
| 361 | 363 // registEditor will be done by SMCMD_PUT_ACK |
| 364 } | |
| 360 | 365 updateGUI(); |
| 353 | 366 |
| 367 } | |
| 368 break; | |
| 358 | 369 |
| 372 | 370 case SMCMD_SELECT0: |
| 371 /* | |
| 372 * finding joining editor, do not make the path. | |
| 373 */ | |
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374 REPNode editor = editorList.get(command.eid); |
| 372 | 375 if (editor==null|| !editor.isDirect()) { |
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376 REPNode next = routingTable.toSessionManager(getSMID(command.eid)); |
| 372 | 377 next.send(command); |
| 378 break; | |
| 379 } | |
| 380 // we've found the editor, fall thru. | |
| 353 | 381 case SMCMD_SELECT: |
| 361 | 382 { |
| 372 | 383 /* |
| 384 * finding active session ring from joined editor. | |
| 385 */ | |
| 361 | 386 Session session = sessionList.get(command.sid); |
| 387 if (session==null) { | |
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388 session = new Session(command.sid, command.string,null); |
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389 sessionList.put(command.sid,session); |
| 361 | 390 } |
| 372 | 391 // Do not directly addForwarder(forwarder). It may be |
| 392 // shared among sessions. | |
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393 REPNode f = createSessionForwarder(command.sid, forwarder); |
| 372 | 394 session.addForwarder(f); // f.next is set up here. |
| 389 | 395 if(session.hasOwner()){ |
| 396 forwarder.selectSession(command,session); | |
| 397 }else { | |
| 398 forwardSelect(command.sid, session, command.eid, forwarder); | |
| 399 } | |
| 361 | 400 } |
| 401 break; | |
| 353 | 402 case SMCMD_SELECT_ACK: |
| 403 { | |
| 369 | 404 // Sessionが見つかったので、select したeditorに教える。 |
| 358 | 405 Session session = sessionList.get(command.sid); |
| 376 | 406 searchSelectedEditor(command,session.getForwarder(forwarder.channel)); |
| 353 | 407 } |
| 358 | 408 break; |
| 409 | |
| 353 | 410 case SMCMD_SM_JOIN: |
| 411 { | |
| 355 | 412 // SM_JOIN中にSMCMD_SM_JOINが来たら、これはループなので、 |
| 413 ///自分のSM_JOINを取り消す。 | |
| 414 if (sm_join_channel!=null) cancel_sm_join(); | |
| 353 | 415 // SMCMD_SM_JOIN は、master まで上昇する。 |
| 416 // masterでなければ、自分のparentに転送する。 | |
| 355 | 417 if(isMaster()) { |
| 353 | 418 // master であれば、SessionManager IDを決めて、 |
| 419 // 自分のsmList に登録 | |
| 377 | 420 registSessionManager(forwarder, command); |
| 355 | 421 } else { |
| 422 if (forwarder.sid==-1) { | |
| 423 // direct link の場合は、識別のために、EIDに直上の | |
| 424 // smid を入れておく。 | |
| 425 command.setEID(smList.sessionManagerID()); | |
| 426 } | |
| 427 smList.sendToMaster(command); | |
| 353 | 428 } |
| 429 } | |
| 430 break; | |
| 386 | 431 |
| 432 case SMCMD_SYNC_ACK: | |
| 433 break; | |
| 434 | |
| 355 | 435 case SMCMD_SM_JOIN_ACK: |
| 436 send_sm_join_ack(command.eid, command.sid, command); | |
| 353 | 437 break; |
| 438 | |
| 439 case SMCMD_UPDATE: | |
| 386 | 440 sendUpdate(command.sid); |
| 441 break; | |
| 353 | 442 case SMCMD_UPDATE_ACK: |
| 358 | 443 command.setString(mergeUpdate(command)); |
| 444 // 下に知らせる | |
| 355 | 445 smList.sendToSlaves(command); |
| 358 | 446 updateGUI(); |
| 353 | 447 break; |
| 448 default: | |
| 449 return false; | |
| 450 } | |
| 451 return true; | |
| 452 } | |
| 453 | |
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454 private void registSessionManager(REPNode forwarder, REPCommand command) { |
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455 REPNode sm; |
| 377 | 456 int psid = command.eid; |
| 457 if (forwarder.sid!=-1) { | |
| 458 // すでに channelはSessionManager Idを持っていて、 | |
| 459 // direct link ではないので、 | |
| 460 // channel を持たないForwarderとして登録する | |
| 387 | 461 sm = new Forwarder(this,null); |
| 377 | 462 } else { |
| 463 sm = forwarder; | |
| 464 } | |
| 465 int sid = smList.addNewSessionManager(sm,command); | |
| 466 routingTable.add(forwarder,sid); | |
| 467 | |
| 468 REPCommand sendCommand = makeREPCommandWithSessionList(REP.SMCMD_SM_JOIN_ACK); | |
| 469 // command.eid==smList.sesionManagerID() の場合は、 | |
| 470 // 待っている自分の下のsessionManagerにsidをassignする必要がある。 | |
| 471 sendCommand.setSID(sid); // new Session manager ID | |
| 472 // 複数のSM_JOIN_ACKを識別するには、最初にSM_JOINを受け付けた | |
| 473 // Session manager IDを使う。 | |
| 474 sendCommand.setEID(psid); | |
| 475 send_sm_join_ack(psid, sid, sendCommand); | |
| 476 } | |
| 477 | |
| 478 | |
| 479 void send_sm_join_ack(int psid, int sid,REPCommand sendCommand) { | |
| 480 if (psid==smList.sessionManagerID()) { | |
| 481 // 直下のsessionManagerにIDを割り振る必要がある。 | |
| 482 smList.assignSessionManagerIDtoWaitingSM(sid); | |
| 483 // ここで smList に一つだけ追加されるので | |
| 484 // 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。 | |
| 485 } | |
| 486 smList.sendToSlaves(sendCommand); | |
| 487 } | |
| 488 | |
| 372 | 489 /* |
| 490 * 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 | |
| 491 * あり得るので、よろしくない。 | |
| 492 */ | |
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493 private void searchSelectedEditor(REPCommand command, REPNode editor) { |
| 372 | 494 for(;editor.isDirect();editor = editor.getNextForwarder()) { |
| 495 if (editor.getEID()==command.eid) { | |
| 496 // select したeditor を見つけた | |
| 389 | 497 editor.joinAck(command,command.sid); |
| 372 | 498 return; |
| 499 } | |
| 500 } | |
| 501 // ここにはありませんでした。 | |
| 502 editor.send(command); | |
| 503 } | |
| 504 | |
| 355 | 505 |
| 363 | 506 /** |
| 507 * UPDATE/UPDATE_ACKにより送られてきたSessionの情報を追加する | |
| 508 * @param command | |
| 509 * @return | |
| 510 * @throws IOException | |
| 511 */ | |
| 358 | 512 private String mergeUpdate(REPCommand command) throws IOException { |
| 513 SessionList receivedSessionList; | |
| 514 try { | |
| 515 receivedSessionList = decoder.decode(command.string); | |
| 516 } catch (SAXException e) { | |
| 517 throw new IOException(); | |
| 518 } | |
| 363 | 519 // 受け取った情報と自分の情報を混ぜる。 |
| 520 sessionList.merge(receivedSessionList); | |
| 358 | 521 //XMLを生成。送信コマンドにセット。 |
| 522 return encoder.sessionListToXML(sessionList); | |
| 523 | |
| 524 } | |
| 525 | |
| 526 /* | |
| 527 * id has SessionManager ID part | |
| 528 */ | |
| 529 private int makeID(int newid) { | |
| 530 return newid+smList.sessionManagerID()*MAXID; | |
| 531 } | |
| 532 | |
| 384 | 533 int getSMID(int id) { |
| 358 | 534 return id/MAXID; |
| 535 } | |
| 536 | |
| 537 | |
| 361 | 538 /** |
| 539 * Register Editor to our editorList. No connection is made. | |
| 540 * @param forwarder Editor to be add | |
| 541 * @param command | |
| 542 */ | |
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543 public void registEditor(REPNode forwarder,REPCommand command) { |
| 358 | 544 // make ack for PUT/JOIN. Do not send this to the editor, |
| 545 // before select. After select, ack is sent to the editor. | |
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546 REPNode editor; |
| 367 | 547 if (getSMID(command.eid)==smList.sessionManagerID()) { |
| 548 if (forwarder.isDirect()) { | |
| 549 editor = (Editor)forwarder; | |
| 550 } else | |
| 551 return; | |
| 358 | 552 } else { |
| 387 | 553 editor = new Editor(manager, command.eid); |
| 358 | 554 } |
| 555 editor.setName(command.string); | |
| 556 editor.setSID(command.sid); | |
| 557 if (!editorList.hasEid(command.eid)) { | |
| 558 editorList.add(editor); | |
| 559 } | |
| 367 | 560 if (command.cmd==REP.SMCMD_PUT_ACK) { |
| 561 Session session = new Session(command.sid, command.string, editor); | |
| 562 sessionList.put(command.sid, session); | |
| 563 } | |
| 358 | 564 // we don't join ack to the direct linked editor. We |
| 565 // have to wait select command | |
| 566 } | |
| 567 | |
| 568 | |
| 355 | 569 private REPCommand makeREPCommandWithSessionList(REP cmd) { |
| 570 //SessionListからXMLを生成。 | |
| 571 //joinしてきたSessionManagerに対してACKを送信。 | |
| 572 REPCommand sendCommand = new REPCommand(); | |
| 573 sendCommand.setCMD(cmd); | |
| 358 | 574 sendCommand.setString(encoder.sessionListToXML(sessionList)); |
| 355 | 575 return sendCommand; |
| 576 } | |
| 577 | |
| 578 | |
| 579 public boolean isMaster() { | |
| 580 return smList.isMaster(); | |
| 581 } | |
| 582 | |
| 583 | |
| 584 public void setSessionManagerID(int sid) { | |
| 585 smList.setSessionManagerID(sid); | |
| 586 } | |
| 587 | |
| 358 | 588 |
| 589 public Session getSession(int sid) { | |
| 590 return sessionList.get(sid); | |
| 591 } | |
| 592 | |
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593 public void setParent(REPNode fw) { |
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594 smList.setParent(fw); |
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595 } |
| 367 | 596 |
| 597 public String toString() { | |
| 598 int myId = 0; | |
| 599 if (smList!=null) myId = smList.sessionManagerID(); | |
| 384 | 600 return "rep.SessionManager-"+myId+"@"+super.toString(); |
| 367 | 601 } |
| 385 | 602 |
| 603 public void addWaitingSessionManager(REPNode fw, REPCommand command) { | |
| 604 smList.addWaitingSessionManager(fw, command); | |
| 605 } | |
| 389 | 606 |
| 391 | 607 public int getId() { |
| 608 return smList.sessionManagerID(); | |
| 609 } | |
| 610 | |
| 0 | 611 } |