Mercurial > hg > RemoteEditor > REPSessionManager
annotate rep/SessionManager.java @ 385:1fca50ce3508
first-working-version
| author | one@firefly.cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Mon, 10 Nov 2008 22:18:14 +0900 |
| parents | bcdf5476b8e4 |
| children | bba62c4ac323 |
| 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. |
| 384 | 54 static final int packetLimit = 200; |
| 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); |
| 384 | 64 |
| 65 static public REPLogger logger = REPLogger.singleton(); | |
| 66 | |
| 316 | 67 public static void main(String[] args) throws InterruptedException, IOException { |
| 384 | 68 int port =ServerMainLoop.DEFAULT_PORT; |
| 69 int port_s = ServerMainLoop.DEFAULT_PORT; | |
| 316 | 70 //System.setProperty("file.encoding", "UTF-8"); |
| 71 if(args.length > 0){ | |
| 363 | 72 if (args.length!=2) { |
| 73 logger.writeLog("Usage: sessionManager our_port parent_port"); | |
| 74 return; | |
| 75 } | |
| 316 | 76 port = Integer.parseInt(args[0]); |
| 77 port_s = Integer.parseInt(args[1]); | |
| 78 } | |
| 79 SessionManager sm = new SessionManager(); | |
| 336 | 80 sm.setReceivePort(port); |
| 81 sm.setParentPort(port_s); | |
| 363 | 82 // Ok start main loop |
| 316 | 83 sm.init(port,new SessionManagerGUIimpl(sm)); |
| 84 } | |
| 85 | |
| 280 | 86 public void init(int port, SessionManagerGUI gui) throws IOException, InterruptedException { |
| 384 | 87 mainLoop(this, port, gui); |
| 2 | 88 } |
| 89 | |
| 363 | 90 /* |
| 91 * After loop detection, we give up session manager join. | |
| 92 */ | |
| 93 private void cancel_sm_join() { | |
| 364 | 94 logger.writeLog("Loop detected "+this); |
| 384 | 95 removeChannel(this, sm_join_channel); |
| 355 | 96 sm_join_channel=null; |
| 97 } | |
| 98 | |
| 99 | |
| 100 /** | |
| 363 | 101 * GUI から、呼ばれて、Session Managerに接続する。 |
| 355 | 102 * Host 名のSession Manager に SM_JOIN する。自分は、Session を持っていては |
| 103 * 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)。 | |
| 104 * @param host | |
| 105 */ | |
| 378 | 106 public void connectSessionManager(String host, int port) { |
| 355 | 107 if (sm_join_channel!=null) return; |
| 108 if (!sessionList.isEmpty()) return; | |
| 109 if (!smList.isMaster()) return; | |
| 363 | 110 /* |
| 111 * 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 | |
| 112 * ある。 | |
| 113 */ | |
| 1 | 114 InetSocketAddress addr = new InetSocketAddress(host, port); |
| 115 try { | |
| 186 | 116 REPSocketChannel<REPCommand> sessionchannel = REPSocketChannel.<REPCommand>create(new REPCommandPacker()); |
| 1 | 117 sessionchannel.connect(addr); |
| 337 | 118 while(!sessionchannel.finishConnect()); |
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119 REPNode sm = new FirstConnector(this); |
| 355 | 120 registerChannel(sessionchannel, sm); |
| 349 | 121 sm_join(sm); |
| 1 | 122 }catch (IOException e) { |
| 123 } | |
| 124 } | |
| 364 | 125 |
| 378 | 126 public void connectSessionManager(String host) { |
| 127 connectSessionManager(host,parent_port); | |
| 364 | 128 } |
| 77 | 129 |
| 363 | 130 /** |
| 131 * channel に SMCMD_SM_JOIN command を送る。 | |
| 132 * @param channel | |
| 133 */ | |
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134 private void sm_join(REPNode channel){ |
| 355 | 135 sm_join_channel = channel; |
| 122 | 136 //SM_JOINコマンドを生成。 |
| 77 | 137 REPCommand command = new REPCommand(); |
| 138 command.setCMD(REP.SMCMD_SM_JOIN); | |
| 349 | 139 command.setEID(-1); // request Parent SessionManagerID |
| 140 command.setSID(-1); // request SessionManagerID | |
| 79 | 141 |
| 122 | 142 //hostnameをセット。 |
| 349 | 143 setMyHostName(channel.getLocalHostName()); |
| 82 | 144 |
| 355 | 145 String string = myHost; |
| 77 | 146 command.setString(string); |
| 147 | |
| 122 | 148 //SM_JOINコマンドを送信。 |
| 349 | 149 channel.send(command); |
| 363 | 150 // ack を受け取ったら、SessionManagerのListに追加。ここではやらない。 |
| 77 | 151 } |
| 349 | 152 |
| 361 | 153 /* |
| 154 * Select Session from Manager button | |
| 155 * selected editor is joined editor directly connected to this session | |
| 156 * manager. | |
| 157 */ | |
| 316 | 158 public void selectSession(SelectButtonEvent event) throws IOException { |
| 250 | 159 int sid = event.getSID(); |
| 358 | 160 Session session = sessionList.get(sid); |
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161 if (session==null) throw new IOException(); |
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162 REPNode editor = event.getEditor(); |
| 324 | 163 if (editor.hasSession()) return; |
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164 // assert(getSMID(editor.eid)==smList.sessionManagerID()); |
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165 // assert(editor.channel!=null); |
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166 editor.setSID(sid); // mark as selected |
| 372 | 167 selectSession0(sid, session, editor.getEID(), editor); |
| 168 } | |
| 169 | |
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170 private void selectSession0(int sid, Session session, int eid, REPNode editor) { |
| 372 | 171 if (editor.isDirect()&&editor.getEID()==eid) { |
| 172 selectSession(sid, session, editor.getEID(), editor); | |
| 173 } else { | |
| 174 // we don't have this editor, search the editor first. | |
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175 REPNode next = routingTable.toSessionManager(getSMID(eid)); |
| 372 | 176 // pass the select command to the next path. |
| 177 REPCommand command = new REPCommand(); | |
| 178 command.setCMD(REP.SMCMD_SELECT0); | |
| 179 command.setSID(sid); | |
| 180 command.setEID(eid); | |
| 181 command.setString(editor.getHost()); | |
| 182 next.send(command); | |
| 183 } | |
| 358 | 184 } |
| 185 | |
| 361 | 186 /* |
| 187 * Select Session Protocol handler | |
| 363 | 188 * called from GUI or incoming SMCMD_SELECT command. |
| 361 | 189 */ |
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190 private void selectSession(int sid, Session session, int eid, REPNode editor) { |
| 372 | 191 if(session.hasOwner()){ |
| 363 | 192 // we have selected session. |
| 107 | 193 REPCommand sendCommand = new REPCommand(); |
| 358 | 194 if (editor.isDirect()&&editor.getEID()==eid) { |
| 363 | 195 // Found directly connected joined editor. Send join_ack(). |
| 361 | 196 session.addForwarder(editor); |
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197 sendUpdate(session.getSID()); |
| 358 | 198 sendCommand.setCMD(REP.SMCMD_JOIN_ACK); |
| 199 } else { | |
| 363 | 200 // We have a session, but joined editor is on the other sm. |
| 358 | 201 // SELECT_ACK is sent to the session ring to |
| 363 | 202 // find out the joined editor. |
| 358 | 203 sendCommand.setCMD(REP.SMCMD_SELECT_ACK); |
| 204 } | |
| 370 | 205 sendCommand.setSID(sid); |
| 206 sendCommand.string = session.getName(); | |
| 207 sendCommand.setEID(eid); | |
| 208 editor.send(sendCommand); | |
| 107 | 209 }else { |
| 372 | 210 forwardSelect(sid, session, eid, editor); |
| 107 | 211 } |
| 8 | 212 } |
| 122 | 213 |
| 372 | 214 private void forwardSelect(int sid, Session session, int eid, |
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215 REPNode editor) { |
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216 REPNode next; |
| 372 | 217 // session searching continue... |
| 218 next = routingTable.toSessionManager(getSMID(sid)); | |
| 219 // make a forwarding channel here | |
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220 REPNode f = createSessionForwarder(sid, next); |
| 372 | 221 session.setFirstForwarder(f); |
| 222 session.addForwarder(editor); | |
| 223 // pass the select command to the next path. | |
| 224 REPCommand command = new REPCommand(); | |
| 225 command.setCMD(REP.SMCMD_SELECT); | |
| 226 command.setSID(sid); | |
| 227 command.setEID(eid); | |
| 228 command.setString(editor.getHost()); | |
| 229 next.send(command); | |
| 230 } | |
| 231 | |
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232 private REPNode createSessionForwarder(int sid, REPNode editor) { |
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233 REPNode f = new Forwarder(this); |
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234 f.setEID(makeID(editorList.newEid())); |
| 372 | 235 f.setChannel(editor.channel); // incoming channel |
| 236 f.setHost(myHost); | |
| 237 f.setSID(sid); | |
| 238 return f; | |
| 239 } | |
| 240 | |
| 363 | 241 /* |
| 242 * Create and send UPDATE command. | |
| 243 */ | |
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244 private void sendUpdate(int sid) { |
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245 REPCommand command = makeREPCommandWithSessionList(REP.SMCMD_UPDATE); |
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246 command.setSID(sid); |
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247 command.setEID(REP.SM_EID.id); |
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248 smList.sendToMaster(command); |
| 358 | 249 } |
| 250 | |
| 363 | 251 /* |
| 252 * Create new editor in this sessin manager. A dummy editor | |
| 253 * is created also. | |
| 254 */ | |
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255 public REPNode newEditor(REPSocketChannel<REPCommand> channel) { |
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256 int eid = makeID(editorList.newEid()); |
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257 REPNode editor = new Editor(this, eid, channel); |
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258 editorList.add(editor); |
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259 return editor; |
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260 } |
| 363 | 261 |
| 262 /* | |
| 263 * Create new session. | |
| 264 */ | |
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265 public Session newSession(REPNode master) { |
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266 int sid= makeID(sessionList.newSessionID()); |
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267 Session session = new Session(sid, master); |
| 360 | 268 sessionList.put(sid, session); |
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269 return session; |
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270 } |
| 358 | 271 |
| 363 | 272 /* |
| 273 * GUI command interface for close session. | |
| 274 */ | |
| 259 | 275 public void closeSession(SessionManagerEvent event) { |
| 276 Session session = ((CloseButtonEvent) event).getSession(); | |
| 277 session.closeSession(); | |
| 278 sessionList.remove(session); | |
| 279 updateGUI(); | |
| 280 } | |
| 281 | |
| 363 | 282 /* |
| 283 * Remove editors which has the cannel. | |
| 284 */ | |
| 274 | 285 public void remove(REPSocketChannel<REPCommand> channel) { |
| 358 | 286 int i = 0; |
| 287 for(Session s:sessionList.values()) { | |
| 274 | 288 if (s.deleteEditor(channel)) { |
| 358 | 289 i++; |
| 274 | 290 } |
| 291 } | |
| 358 | 292 assert(i==1); |
| 274 | 293 // can be other session manager? what should I do? |
| 294 } | |
| 295 | |
| 317 | 296 |
| 318 | 297 public void remove(Editor editor) { |
| 358 | 298 Session s = sessionList.get(editor.getSID()); |
| 362 | 299 if (s==null) { |
| 300 assert(false); | |
| 301 editorList.remove(editor); | |
| 302 } else if (editor.isMaster()) { | |
| 358 | 303 removeSession(s); |
| 304 } else { | |
| 305 s.deleteForwarder(editor); | |
| 306 editorList.remove(editor); | |
| 318 | 307 } |
| 341 | 308 updateGUI(); |
| 309 } | |
| 310 | |
| 311 private void removeSession(Session s0) { | |
| 358 | 312 s0.remove(this); |
| 341 | 313 sessionList.remove(s0); |
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314 sendUpdate(s0.getSID()); |
| 318 | 315 } |
| 316 | |
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317 public boolean sessionManage(REPNode forwarder, REPCommand command) throws ClosedChannelException, |
| 358 | 318 IOException { |
| 355 | 319 switch(command.cmd){ |
| 353 | 320 |
| 321 // Session Manager Command | |
| 322 | |
| 323 case SMCMD_JOIN: | |
| 324 { | |
| 358 | 325 // first connection or forwarded command |
| 367 | 326 routingTable.add(forwarder,getSMID(command.eid)); |
| 358 | 327 if(isMaster()) { |
| 328 REPCommand ackCommand = new REPCommand(); | |
| 329 ackCommand.setCMD(REP.SMCMD_JOIN_ACK); | |
| 330 ackCommand.setEID(command.eid); | |
| 360 | 331 ackCommand.setSID(command.sid); |
| 358 | 332 ackCommand.string = command.string; |
| 333 smList.sendToSlaves(ackCommand); | |
| 334 registEditor(forwarder,ackCommand); | |
| 335 } else { | |
| 336 smList.sendToMaster(command); | |
| 337 } | |
| 360 | 338 updateGUI(); |
| 353 | 339 } |
| 340 | |
| 341 break; | |
| 342 | |
| 361 | 343 case SMCMD_PUT_ACK: |
| 366 | 344 if (forwarder.isDirect()) { |
| 345 // send put_ack to the editor now. | |
| 346 command.setCMD(REP.SMCMD_PUT_ACK); | |
| 347 command.string = command.string; | |
| 348 command.setEID(command.eid); | |
| 349 command.setSID(command.sid); | |
| 350 forwarder.send(command); | |
| 351 } | |
| 353 | 352 case SMCMD_JOIN_ACK: |
| 358 | 353 registEditor(forwarder,command); |
| 360 | 354 updateGUI(); |
| 353 | 355 break; |
| 356 | |
| 357 case SMCMD_PUT: | |
| 358 { | |
| 358 | 359 // first connection or forwarded command |
| 367 | 360 routingTable.add(forwarder,getSMID(command.eid)); |
| 370 | 361 REPCommand ack = new REPCommand(command); ack.setCMD(REP.SMCMD_PUT_ACK); |
| 362 if(isMaster()) { | |
| 371 | 363 // Reached to the top of the tree, multicast the ack. |
| 370 | 364 smList.sendToSlaves(ack); |
| 365 registEditor(forwarder,ack); | |
| 371 | 366 if (forwarder.isDirect()) { |
| 367 // If put editor on the master, no SMCMD_PUT_ACK is | |
| 368 // generated. Send ack to the editor now. | |
| 369 forwarder.send(ack); | |
| 370 } | |
| 358 | 371 } else { |
| 371 | 372 // Pass this to the master. |
| 358 | 373 smList.sendToMaster(command); |
| 361 | 374 // registEditor will be done by SMCMD_PUT_ACK |
| 375 } | |
| 360 | 376 updateGUI(); |
| 353 | 377 |
| 378 } | |
| 379 break; | |
| 358 | 380 |
| 372 | 381 case SMCMD_SELECT0: |
| 382 /* | |
| 383 * finding joining editor, do not make the path. | |
| 384 */ | |
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385 REPNode editor = editorList.get(command.eid); |
| 372 | 386 if (editor==null|| !editor.isDirect()) { |
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387 REPNode next = routingTable.toSessionManager(getSMID(command.eid)); |
| 372 | 388 next.send(command); |
| 389 break; | |
| 390 } | |
| 391 // we've found the editor, fall thru. | |
| 353 | 392 case SMCMD_SELECT: |
| 361 | 393 { |
| 372 | 394 /* |
| 395 * finding active session ring from joined editor. | |
| 396 */ | |
| 361 | 397 Session session = sessionList.get(command.sid); |
| 398 if (session==null) { | |
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399 session = new Session(command.sid, command.string,null); |
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400 sessionList.put(command.sid,session); |
| 361 | 401 } |
| 372 | 402 // Do not directly addForwarder(forwarder). It may be |
| 403 // shared among sessions. | |
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404 REPNode f = createSessionForwarder(command.sid, forwarder); |
| 372 | 405 session.addForwarder(f); // f.next is set up here. |
| 361 | 406 selectSession(command.sid, session, command.eid, forwarder); |
| 407 } | |
| 408 break; | |
| 353 | 409 case SMCMD_SELECT_ACK: |
| 410 { | |
| 369 | 411 // Sessionが見つかったので、select したeditorに教える。 |
| 358 | 412 Session session = sessionList.get(command.sid); |
| 376 | 413 searchSelectedEditor(command,session.getForwarder(forwarder.channel)); |
| 353 | 414 } |
| 358 | 415 break; |
| 416 | |
| 353 | 417 case SMCMD_SM_JOIN: |
| 418 { | |
| 355 | 419 // SM_JOIN中にSMCMD_SM_JOINが来たら、これはループなので、 |
| 420 ///自分のSM_JOINを取り消す。 | |
| 421 if (sm_join_channel!=null) cancel_sm_join(); | |
| 353 | 422 // SMCMD_SM_JOIN は、master まで上昇する。 |
| 423 // masterでなければ、自分のparentに転送する。 | |
| 355 | 424 if(isMaster()) { |
| 353 | 425 // master であれば、SessionManager IDを決めて、 |
| 426 // 自分のsmList に登録 | |
| 377 | 427 registSessionManager(forwarder, command); |
| 355 | 428 } else { |
| 429 if (forwarder.sid==-1) { | |
| 430 // direct link の場合は、識別のために、EIDに直上の | |
| 431 // smid を入れておく。 | |
| 432 command.setEID(smList.sessionManagerID()); | |
| 433 } | |
| 434 smList.sendToMaster(command); | |
| 353 | 435 } |
| 436 } | |
| 437 break; | |
| 438 | |
| 355 | 439 case SMCMD_SM_JOIN_ACK: |
| 440 send_sm_join_ack(command.eid, command.sid, command); | |
| 353 | 441 break; |
| 442 | |
| 443 case SMCMD_UPDATE: | |
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444 if (!isMaster()) { |
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445 command.setString(mergeUpdate(command)); |
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446 // 上に知らせる |
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447 smList.sendToMaster(command); |
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448 break; |
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449 } |
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450 // fall thru |
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451 command.setCMD(REP.SMCMD_UPDATE_ACK); |
| 353 | 452 case SMCMD_UPDATE_ACK: |
| 358 | 453 command.setString(mergeUpdate(command)); |
| 454 // 下に知らせる | |
| 355 | 455 smList.sendToSlaves(command); |
| 358 | 456 updateGUI(); |
| 353 | 457 break; |
| 458 default: | |
| 459 return false; | |
| 460 } | |
| 461 return true; | |
| 462 } | |
| 463 | |
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464 private void registSessionManager(REPNode forwarder, REPCommand command) { |
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465 REPNode sm; |
| 377 | 466 int psid = command.eid; |
| 467 if (forwarder.sid!=-1) { | |
| 468 // すでに channelはSessionManager Idを持っていて、 | |
| 469 // direct link ではないので、 | |
| 470 // channel を持たないForwarderとして登録する | |
| 471 sm = new Forwarder(this); | |
| 472 } else { | |
| 473 sm = forwarder; | |
| 474 } | |
| 475 int sid = smList.addNewSessionManager(sm,command); | |
| 476 routingTable.add(forwarder,sid); | |
| 477 | |
| 478 REPCommand sendCommand = makeREPCommandWithSessionList(REP.SMCMD_SM_JOIN_ACK); | |
| 479 // command.eid==smList.sesionManagerID() の場合は、 | |
| 480 // 待っている自分の下のsessionManagerにsidをassignする必要がある。 | |
| 481 sendCommand.setSID(sid); // new Session manager ID | |
| 482 // 複数のSM_JOIN_ACKを識別するには、最初にSM_JOINを受け付けた | |
| 483 // Session manager IDを使う。 | |
| 484 sendCommand.setEID(psid); | |
| 485 send_sm_join_ack(psid, sid, sendCommand); | |
| 486 } | |
| 487 | |
| 488 | |
| 489 void send_sm_join_ack(int psid, int sid,REPCommand sendCommand) { | |
| 490 if (psid==smList.sessionManagerID()) { | |
| 491 // 直下のsessionManagerにIDを割り振る必要がある。 | |
| 492 smList.assignSessionManagerIDtoWaitingSM(sid); | |
| 493 // ここで smList に一つだけ追加されるので | |
| 494 // 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。 | |
| 495 } | |
| 496 smList.sendToSlaves(sendCommand); | |
| 497 } | |
| 498 | |
| 372 | 499 /* |
| 500 * 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 | |
| 501 * あり得るので、よろしくない。 | |
| 502 */ | |
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503 private void searchSelectedEditor(REPCommand command, REPNode editor) { |
| 372 | 504 for(;editor.isDirect();editor = editor.getNextForwarder()) { |
| 505 if (editor.getEID()==command.eid) { | |
| 506 // select したeditor を見つけた | |
| 507 command.cmd=REP.SMCMD_JOIN_ACK; | |
| 508 editor.send(command); | |
| 509 return; | |
| 510 } | |
| 511 } | |
| 512 // ここにはありませんでした。 | |
| 513 editor.send(command); | |
| 514 } | |
| 515 | |
| 355 | 516 |
| 363 | 517 /** |
| 518 * UPDATE/UPDATE_ACKにより送られてきたSessionの情報を追加する | |
| 519 * @param command | |
| 520 * @return | |
| 521 * @throws IOException | |
| 522 */ | |
| 358 | 523 private String mergeUpdate(REPCommand command) throws IOException { |
| 524 SessionList receivedSessionList; | |
| 525 try { | |
| 526 receivedSessionList = decoder.decode(command.string); | |
| 527 } catch (SAXException e) { | |
| 528 throw new IOException(); | |
| 529 } | |
| 363 | 530 // 受け取った情報と自分の情報を混ぜる。 |
| 531 sessionList.merge(receivedSessionList); | |
| 358 | 532 //XMLを生成。送信コマンドにセット。 |
| 533 return encoder.sessionListToXML(sessionList); | |
| 534 | |
| 535 } | |
| 536 | |
| 537 /* | |
| 538 * id has SessionManager ID part | |
| 539 */ | |
| 540 private int makeID(int newid) { | |
| 541 return newid+smList.sessionManagerID()*MAXID; | |
| 542 } | |
| 543 | |
| 384 | 544 int getSMID(int id) { |
| 358 | 545 return id/MAXID; |
| 546 } | |
| 547 | |
| 548 | |
| 361 | 549 /** |
| 550 * Register Editor to our editorList. No connection is made. | |
| 551 * @param forwarder Editor to be add | |
| 552 * @param command | |
| 553 */ | |
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554 public void registEditor(REPNode forwarder,REPCommand command) { |
| 358 | 555 // make ack for PUT/JOIN. Do not send this to the editor, |
| 556 // before select. After select, ack is sent to the editor. | |
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557 REPNode editor; |
| 367 | 558 if (getSMID(command.eid)==smList.sessionManagerID()) { |
| 559 if (forwarder.isDirect()) { | |
| 560 editor = (Editor)forwarder; | |
| 561 } else | |
| 562 return; | |
| 358 | 563 } else { |
| 385 | 564 editor = new Editor(this, command.eid); |
| 358 | 565 } |
| 566 editor.setName(command.string); | |
| 567 editor.setSID(command.sid); | |
| 568 if (!editorList.hasEid(command.eid)) { | |
| 569 editorList.add(editor); | |
| 570 } | |
| 367 | 571 if (command.cmd==REP.SMCMD_PUT_ACK) { |
| 572 Session session = new Session(command.sid, command.string, editor); | |
| 573 sessionList.put(command.sid, session); | |
| 574 } | |
| 358 | 575 // we don't join ack to the direct linked editor. We |
| 576 // have to wait select command | |
| 577 } | |
| 578 | |
| 579 | |
| 355 | 580 private REPCommand makeREPCommandWithSessionList(REP cmd) { |
| 581 //SessionListからXMLを生成。 | |
| 582 //joinしてきたSessionManagerに対してACKを送信。 | |
| 583 REPCommand sendCommand = new REPCommand(); | |
| 584 sendCommand.setCMD(cmd); | |
| 358 | 585 sendCommand.setString(encoder.sessionListToXML(sessionList)); |
| 355 | 586 return sendCommand; |
| 587 } | |
| 588 | |
| 589 | |
| 590 public boolean isMaster() { | |
| 591 return smList.isMaster(); | |
| 592 } | |
| 593 | |
| 594 | |
| 595 public void setSessionManagerID(int sid) { | |
| 596 smList.setSessionManagerID(sid); | |
| 597 } | |
| 598 | |
| 358 | 599 |
| 600 public Session getSession(int sid) { | |
| 601 return sessionList.get(sid); | |
| 602 } | |
| 603 | |
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604 public void setParent(REPNode fw) { |
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605 smList.setParent(fw); |
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606 } |
| 367 | 607 |
| 608 public String toString() { | |
| 609 int myId = 0; | |
| 610 if (smList!=null) myId = smList.sessionManagerID(); | |
| 384 | 611 return "rep.SessionManager-"+myId+"@"+super.toString(); |
| 367 | 612 } |
| 385 | 613 |
| 614 public void addWaitingSessionManager(REPNode fw, REPCommand command) { | |
| 615 smList.addWaitingSessionManager(fw, command); | |
| 616 } | |
| 0 | 617 } |