Source Code Cross Referenced for OIL2ServerILService.java in  » EJB-Server-JBoss-4.2.1 » messaging » org » jboss » mq » il » oil2 » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » messaging » org.jboss.mq.il.oil2 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * JBoss, Home of Professional Open Source.
003:         * Copyright 2006, Red Hat Middleware LLC, and individual contributors
004:         * as indicated by the @author tags. See the copyright.txt file in the
005:         * distribution for a full listing of individual contributors.
006:         *
007:         * This is free software; you can redistribute it and/or modify it
008:         * under the terms of the GNU Lesser General Public License as
009:         * published by the Free Software Foundation; either version 2.1 of
010:         * the License, or (at your option) any later version.
011:         *
012:         * This software is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015:         * Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public
018:         * License along with this software; if not, write to the Free
019:         * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021:         */
022:        package org.jboss.mq.il.oil2;
023:
024:        import java.io.BufferedInputStream;
025:        import java.io.BufferedOutputStream;
026:        import java.io.IOException;
027:        import java.io.ObjectInputStream;
028:        import java.io.ObjectOutputStream;
029:        import java.lang.reflect.Method;
030:        import java.net.InetAddress;
031:        import java.net.ServerSocket;
032:        import java.net.Socket;
033:        import java.net.SocketException;
034:        import java.net.UnknownHostException;
035:        import java.rmi.RemoteException;
036:        import java.util.Properties;
037:
038:        import javax.jms.Destination;
039:        import javax.jms.JMSException;
040:        import javax.naming.InitialContext;
041:        import javax.net.ServerSocketFactory;
042:
043:        import org.jboss.logging.Logger;
044:        import org.jboss.mq.AcknowledgementRequest;
045:        import org.jboss.mq.ConnectionToken;
046:        import org.jboss.mq.DurableSubscriptionID;
047:        import org.jboss.mq.SpyDestination;
048:        import org.jboss.mq.SpyMessage;
049:        import org.jboss.mq.Subscription;
050:        import org.jboss.mq.TransactionRequest;
051:        import org.jboss.mq.il.Invoker;
052:        import org.jboss.mq.il.ServerIL;
053:        import org.jboss.security.SecurityDomain;
054:
055:        /**
056:         * Implements the ServerILJMXService which is used to manage the OIL2 IL.
057:         *
058:         * @author    <a href="mailto:hiram.chirino@jboss.org">Hiram Chirino</a>
059:         * @version   $Revision: 1.22 $
060:         * @jmx:mbean extends="org.jboss.mq.il.ServerILJMXServiceMBean"
061:         */
062:        public final class OIL2ServerILService extends
063:                org.jboss.mq.il.ServerILJMXService implements 
064:                java.lang.Runnable, OIL2ServerILServiceMBean {
065:            /**
066:             * logger instance.
067:             */
068:            final static private Logger log = Logger
069:                    .getLogger(OIL2ServerILService.class);
070:
071:            /**
072:             * The default timeout for the server socket. This is
073:             * set so the socket will periodically return to check
074:             * the running flag.
075:             */
076:            private final static int SO_TIMEOUT = 5000;
077:
078:            /**
079:             * The JMS server where requests are forwarded to.
080:             */
081:            //private static JMSServerInvoker server;
082:            private Invoker server;
083:
084:            /**
085:             * If the TcpNoDelay option should be used on the socket.
086:             */
087:            private boolean enableTcpNoDelay = false;
088:
089:            /** The security domain name to use with SSL aware socket factories.
090:             */
091:            private String securityDomain;
092:
093:            /* The javax.net.SocketFactory implementation class to use on the client.
094:             */
095:            private String clientSocketFactoryName;
096:            /** The socket factory used to obtain the server socket.
097:             */
098:            private ServerSocketFactory serverSocketFactory;
099:            /**
100:             * The listening socket that receives incomming connections
101:             * for servicing.
102:             */
103:            private ServerSocket serverSocket;
104:
105:            /**
106:             * The managed serverIL.
107:             */
108:            private OIL2ServerIL serverIL;
109:
110:            /**
111:             * The running flag that all worker and server
112:             * threads check to determine if the service should
113:             * be stopped.
114:             */
115:            private volatile boolean running;
116:
117:            /**
118:             * The server port to bind to.
119:             */
120:            private int serverBindPort = 0;
121:
122:            /**
123:             * The internet address to bind to by
124:             * default.
125:             */
126:            private InetAddress bindAddress = null;
127:
128:            /**
129:             * The connection properties passed to the client to connect to this IL
130:             */
131:            private Properties connectionProperties;
132:
133:            public class RequestListner implements  OIL2RequestListner {
134:
135:                Socket socket;
136:                ObjectInputStream in;
137:                ObjectOutputStream out;
138:                OIL2SocketHandler socketHandler;
139:                ConnectionToken connectionToken;
140:                boolean closing = false;
141:
142:                RequestListner(Socket socket) throws IOException {
143:                    socket.setSoTimeout(0);
144:                    socket.setTcpNoDelay(enableTcpNoDelay);
145:                    out = new ObjectOutputStream(new BufferedOutputStream(
146:                            socket.getOutputStream()));
147:                    out.flush();
148:                    in = new ObjectInputStream(new BufferedInputStream(socket
149:                            .getInputStream()));
150:                }
151:
152:                public void handleRequest(OIL2Request request) {
153:                    //         if( log.isTraceEnabled() )
154:                    //             log.trace("RequestListner handing request: "+request);
155:
156:                    if (closing) {
157:                        log
158:                                .trace("A connection that is closing received another request.  Droping request.");
159:                        return;
160:                    }
161:
162:                    Object result = null;
163:                    Exception resultException = null;
164:
165:                    // now based upon the input directive, preform the 
166:                    // requested action. Any exceptions are processed
167:                    // and potentially returned to the client.
168:                    //
169:                    try {
170:                        switch (request.operation) {
171:                        case OIL2Constants.SERVER_SET_SPY_DISTRIBUTED_CONNECTION:
172:                            connectionToken = (ConnectionToken) request.arguments[0];
173:                            // Make the client IL aware of us since he will be using our requestHander
174:                            // To make requests.
175:                            ((OIL2ClientIL) connectionToken.clientIL)
176:                                    .setRequestListner(this );
177:                            break;
178:
179:                        case OIL2Constants.SERVER_ACKNOWLEDGE:
180:                            server
181:                                    .acknowledge(
182:                                            connectionToken,
183:                                            (AcknowledgementRequest) request.arguments[0]);
184:                            break;
185:
186:                        case OIL2Constants.SERVER_ADD_MESSAGE:
187:                            server.addMessage(connectionToken,
188:                                    (SpyMessage) request.arguments[0]);
189:                            break;
190:
191:                        case OIL2Constants.SERVER_BROWSE:
192:                            result = server.browse(connectionToken,
193:                                    (Destination) request.arguments[0],
194:                                    (String) request.arguments[1]);
195:                            break;
196:
197:                        case OIL2Constants.SERVER_CHECK_ID:
198:                            server.checkID((String) request.arguments[0]);
199:                            if (connectionToken != null)
200:                                connectionToken
201:                                        .setClientID((String) request.arguments[0]);
202:                            break;
203:
204:                        case OIL2Constants.SERVER_CONNECTION_CLOSING:
205:                            beginClose();
206:                            break;
207:
208:                        case OIL2Constants.SERVER_CREATE_QUEUE:
209:                            result = server.createQueue(connectionToken,
210:                                    (String) request.arguments[0]);
211:                            break;
212:
213:                        case OIL2Constants.SERVER_CREATE_TOPIC:
214:                            result = server.createTopic(connectionToken,
215:                                    (String) request.arguments[0]);
216:                            break;
217:
218:                        case OIL2Constants.SERVER_DELETE_TEMPORARY_DESTINATION:
219:                            server.deleteTemporaryDestination(connectionToken,
220:                                    (SpyDestination) request.arguments[0]);
221:                            break;
222:
223:                        case OIL2Constants.SERVER_GET_ID:
224:                            result = server.getID();
225:                            if (connectionToken != null)
226:                                connectionToken.setClientID((String) result);
227:                            break;
228:
229:                        case OIL2Constants.SERVER_GET_TEMPORARY_QUEUE:
230:                            result = server.getTemporaryQueue(connectionToken);
231:                            break;
232:
233:                        case OIL2Constants.SERVER_GET_TEMPORARY_TOPIC:
234:                            result = server.getTemporaryTopic(connectionToken);
235:                            break;
236:
237:                        case OIL2Constants.SERVER_RECEIVE:
238:                            result = server
239:                                    .receive(connectionToken,
240:                                            ((Integer) request.arguments[0])
241:                                                    .intValue(),
242:                                            ((Long) request.arguments[1])
243:                                                    .longValue());
244:                            break;
245:
246:                        case OIL2Constants.SERVER_SET_ENABLED:
247:                            server.setEnabled(connectionToken,
248:                                    ((Boolean) request.arguments[0])
249:                                            .booleanValue());
250:                            break;
251:
252:                        case OIL2Constants.SERVER_SUBSCRIBE:
253:                            server.subscribe(connectionToken,
254:                                    (Subscription) request.arguments[0]);
255:                            break;
256:
257:                        case OIL2Constants.SERVER_TRANSACT:
258:                            server.transact(connectionToken,
259:                                    (TransactionRequest) request.arguments[0]);
260:                            break;
261:
262:                        case OIL2Constants.SERVER_UNSUBSCRIBE:
263:                            server
264:                                    .unsubscribe(connectionToken,
265:                                            ((Integer) request.arguments[0])
266:                                                    .intValue());
267:                            break;
268:
269:                        case OIL2Constants.SERVER_DESTROY_SUBSCRIPTION:
270:                            server
271:                                    .destroySubscription(
272:                                            connectionToken,
273:                                            (DurableSubscriptionID) request.arguments[0]);
274:                            break;
275:
276:                        case OIL2Constants.SERVER_CHECK_USER:
277:                            result = server.checkUser(
278:                                    (String) request.arguments[0],
279:                                    (String) request.arguments[1]);
280:                            break;
281:
282:                        case OIL2Constants.SERVER_PING:
283:                            server.ping(connectionToken,
284:                                    ((Long) request.arguments[0]).longValue());
285:                            break;
286:
287:                        case OIL2Constants.SERVER_AUTHENTICATE:
288:                            result = server.authenticate(
289:                                    (String) request.arguments[0],
290:                                    (String) request.arguments[1]);
291:                            break;
292:
293:                        default:
294:                            throw new RemoteException("Bad method code !");
295:                        } // switch
296:                    } catch (Exception e) {
297:                        resultException = e;
298:                    } // try
299:
300:                    try {
301:                        OIL2Response response = new OIL2Response(request);
302:                        response.result = result;
303:                        response.exception = resultException;
304:                        socketHandler.sendResponse(response);
305:                    } catch (IOException e) {
306:                        handleConnectionException(e);
307:                    }
308:                }
309:
310:                public void handleConnectionException(Exception e) {
311:                    if (!closing)
312:                        log.info("Client Disconnected: " + e);
313:                    beginClose();
314:                }
315:
316:                void beginClose() {
317:                    closing = true;
318:                    try {
319:                        if (connectionToken != null)
320:                            server.connectionClosing(connectionToken);
321:                    } catch (JMSException ignore) {
322:                    } finally {
323:                        close();
324:                    }
325:                }
326:
327:                void close() {
328:                    try {
329:                        if (socket != null) {
330:                            socketHandler.stop();
331:                            in.close();
332:                            out.close();
333:                            socket.close();
334:                            socket = null;
335:                        }
336:                    } catch (IOException e) {
337:                        log
338:                                .debug(
339:                                        "Exception occured while closing opened resources: ",
340:                                        e);
341:                    }
342:                }
343:
344:                public OIL2SocketHandler getSocketHandler() {
345:                    return socketHandler;
346:                }
347:
348:            }
349:
350:            /**
351:             * Used to construct the GenericConnectionFactory (bindJNDIReferences()
352:             * builds it) Sets up the connection properties need by a client to use this
353:             * IL
354:             *
355:             * @return   The ClientConnectionProperties value
356:             */
357:            public java.util.Properties getClientConnectionProperties() {
358:                return connectionProperties;
359:            }
360:
361:            /**
362:             * Gives this JMX service a name.
363:             *
364:             * @return   The Name value
365:             */
366:            public String getName() {
367:                return "JBossMQ-OILServerIL";
368:            }
369:
370:            /**
371:             * Used to construct the GenericConnectionFactory (bindJNDIReferences()
372:             * builds it)
373:             *
374:             * @return    The ServerIL value
375:             * @returns   ServerIL the instance of this IL
376:             */
377:            public ServerIL getServerIL() {
378:                return serverIL;
379:            }
380:
381:            /**
382:             * Main processing method for the OILServerILService object
383:             */
384:            public void run() {
385:                try {
386:                    while (running) {
387:                        Socket socket = null;
388:                        try {
389:                            socket = serverSocket.accept();
390:                            if (log.isTraceEnabled())
391:                                log.trace("Accepted connection: " + socket);
392:                        } catch (java.io.InterruptedIOException e) {
393:                            // It's ok, this is due to the SO_TIME_OUT
394:                            continue;
395:                        }
396:
397:                        // it's possible that the service is no longer
398:                        // running but it got a connection, no point in
399:                        // starting up a thread!
400:                        //
401:                        if (!running) {
402:                            if (socket != null) {
403:                                try {
404:                                    socket.close();
405:                                } catch (Exception ignore) {
406:                                }
407:                            }
408:                            return;
409:                        }
410:
411:                        try {
412:
413:                            if (log.isTraceEnabled())
414:                                log
415:                                        .trace("Initializing RequestListner for socket: "
416:                                                + socket);
417:                            RequestListner requestListner = new RequestListner(
418:                                    socket);
419:                            OIL2SocketHandler socketHandler = new OIL2SocketHandler(
420:                                    requestListner.in, requestListner.out,
421:                                    Thread.currentThread().getThreadGroup());
422:                            requestListner.socketHandler = socketHandler;
423:                            socketHandler.setRequestListner(requestListner);
424:                            socketHandler.start();
425:
426:                        } catch (IOException ie) {
427:                            log
428:                                    .debug(
429:                                            "Client connection could not be accepted: ",
430:                                            ie);
431:                        }
432:                    }
433:                } catch (SocketException e) {
434:                    // There is no easy way (other than string comparison) to
435:                    // determine if the socket exception is caused by connection
436:                    // reset by peer. In this case, it's okay to ignore both
437:                    // SocketException and IOException.
438:                    if (running)
439:                        log
440:                                .warn("SocketException occured (Connection reset by peer?). Cannot initialize the OIL2ServerILService.");
441:                } catch (IOException e) {
442:                    if (running)
443:                        log
444:                                .warn("IOException occured. Cannot initialize the OIL2ServerILService.");
445:                } catch (Throwable t) {
446:                    log
447:                            .warn(
448:                                    "Unexpected error occured. Cannot initialize the OIL2ServerILService.",
449:                                    t);
450:                }
451:                try {
452:                    serverSocket.close();
453:                } catch (Exception e) {
454:                    log.debug("error closing server socket", e);
455:                }
456:                return;
457:            }
458:
459:            /**
460:             * Starts this IL, and binds it to JNDI
461:             *
462:             * @exception Exception  Description of Exception
463:             */
464:            public void startService() throws Exception {
465:                super .startService();
466:
467:                running = true;
468:                this .server = lookupJMSServer();
469:
470:                // Use the default javax.net.ServerSocketFactory if none was set
471:                if (serverSocketFactory == null)
472:                    serverSocketFactory = ServerSocketFactory.getDefault();
473:
474:                /* See if the server socket supports setSecurityDomain(SecurityDomain)
475:                if an securityDomain was specified
476:                 */
477:                if (securityDomain != null) {
478:                    try {
479:                        InitialContext ctx = new InitialContext();
480:                        Class ssfClass = serverSocketFactory.getClass();
481:                        SecurityDomain domain = (SecurityDomain) ctx
482:                                .lookup(securityDomain);
483:                        Class[] parameterTypes = { SecurityDomain.class };
484:                        Method m = ssfClass.getMethod("setSecurityDomain",
485:                                parameterTypes);
486:                        Object[] args = { domain };
487:                        m.invoke(serverSocketFactory, args);
488:                    } catch (NoSuchMethodException e) {
489:                        log
490:                                .error("Socket factory does not support setSecurityDomain(SecurityDomain)");
491:                    } catch (Exception e) {
492:                        log.error("Failed to setSecurityDomain="
493:                                + securityDomain + " on socket factory");
494:                    }
495:                }
496:
497:                // Create the server socket using the socket factory
498:                serverSocket = serverSocketFactory.createServerSocket(
499:                        serverBindPort, 50, bindAddress);
500:                serverSocket.setSoTimeout(SO_TIMEOUT);
501:
502:                InetAddress socketAddress = serverSocket.getInetAddress();
503:                log.info("JBossMQ OIL2 service available at : " + socketAddress
504:                        + ":" + serverSocket.getLocalPort());
505:
506:                new Thread(server.getThreadGroup(), this , "OIL2 Worker Server")
507:                        .start();
508:                /* We need to check the socketAddress against "0.0.0.0/0.0.0.0"
509:                   because this is not a valid address on Win32 while it is for
510:                 *NIX. See BugParade bug #4343286.
511:                 */
512:                if (socketAddress.toString().equals("0.0.0.0/0.0.0.0"))
513:                    socketAddress = InetAddress.getLocalHost();
514:
515:                serverIL = new OIL2ServerIL(socketAddress.getHostAddress(),
516:                        serverSocket.getLocalPort(), clientSocketFactoryName,
517:                        enableTcpNoDelay);
518:
519:                // Initialize the connection poperties using the base class.
520:                connectionProperties = super .getClientConnectionProperties();
521:                connectionProperties.setProperty(
522:                        OIL2ServerILFactory.CLIENT_IL_SERVICE_KEY,
523:                        "org.jboss.mq.il.oil2.OIL2ClientILService");
524:                connectionProperties.setProperty(
525:                        OIL2ServerILFactory.OIL2_PORT_KEY, ""
526:                                + serverSocket.getLocalPort());
527:                connectionProperties.setProperty(
528:                        OIL2ServerILFactory.OIL2_ADDRESS_KEY, ""
529:                                + socketAddress.getHostAddress());
530:                connectionProperties.setProperty(
531:                        OIL2ServerILFactory.OIL2_TCPNODELAY_KEY,
532:                        enableTcpNoDelay ? "yes" : "no");
533:
534:                bindJNDIReferences();
535:
536:            }
537:
538:            /**
539:             * Stops this IL, and unbinds it from JNDI.
540:             */
541:            public void stopService() {
542:                try {
543:                    unbindJNDIReferences();
544:                } catch (Exception e) {
545:                    log.error("Exception unbinding from JNDI", e);
546:                }
547:                try {
548:                    running = false;
549:                    if (serverSocket != null)
550:                        serverSocket.close();
551:                } catch (Exception e) {
552:                    log.debug("Exception stopping server thread", e);
553:                }
554:            }
555:
556:            /**
557:             * Getter for property serverBindPort.
558:             *
559:             * @return Value of property serverBindPort.
560:             * @jmx:managed-attribute
561:             */
562:            public int getServerBindPort() {
563:                return serverBindPort;
564:            }
565:
566:            /**
567:             * Setter for property serverBindPort.
568:             *
569:             * @param serverBindPort New value of property serverBindPort.
570:             * @jmx:managed-attribute
571:             */
572:            public void setServerBindPort(int serverBindPort) {
573:                this .serverBindPort = serverBindPort;
574:            }
575:
576:            /**
577:             * Get the interface address the OIL server bind its listening port on.
578:             *
579:             * @return The hostname or dotted decimal address that the service is
580:             *    bound to.
581:             * @jmx:managed-attribute
582:             */
583:            public String getBindAddress() {
584:                String addr = "0.0.0.0";
585:                if (bindAddress != null)
586:                    addr = bindAddress.getHostName();
587:                return addr;
588:            }
589:
590:            /**
591:             * Set the interface address the OIL server bind its listening port on.
592:             *
593:             * @param host The host address to bind to, if any.
594:             *
595:             * @throws java.net.UnknownHostException Thrown if the hostname cannot
596:             *    be resolved to an InetAddress object.
597:             * @jmx:managed-attribute
598:             */
599:            public void setBindAddress(String host) throws UnknownHostException {
600:                // If host is null or empty use any address
601:                if (host == null || host.length() == 0)
602:                    bindAddress = null;
603:                else
604:                    bindAddress = InetAddress.getByName(host);
605:            }
606:
607:            /**
608:             * Gets the enableTcpNoDelay.
609:             * @return Returns a boolean
610:             * @jmx:managed-attribute
611:             */
612:            public boolean getEnableTcpNoDelay() {
613:                return enableTcpNoDelay;
614:            }
615:
616:            /**
617:             * Sets the enableTcpNoDelay.
618:             * @param enableTcpNoDelay The enableTcpNoDelay to set
619:             * @jmx:managed-attribute
620:             */
621:            public void setEnableTcpNoDelay(boolean enableTcpNoDelay) {
622:                this .enableTcpNoDelay = enableTcpNoDelay;
623:            }
624:
625:            /** Get the javax.net.SocketFactory implementation class to use on the
626:             *client.
627:             * @jmx:managed-attribute
628:             */
629:            public String getClientSocketFactory() {
630:                return clientSocketFactoryName;
631:            }
632:
633:            /** Set the javax.net.SocketFactory implementation class to use on the
634:             *client.
635:             * @jmx:managed-attribute
636:             */
637:            public void setClientSocketFactory(String name) {
638:                this .clientSocketFactoryName = name;
639:            }
640:
641:            /** Set the javax.net.ServerSocketFactory implementation class to use to
642:             *create the service SocketFactory.
643:             *@jmx:managed-attribute
644:             */
645:            public void setServerSocketFactory(String name) throws Exception {
646:                ClassLoader loader = Thread.currentThread()
647:                        .getContextClassLoader();
648:                Class ssfClass = loader.loadClass(name);
649:                serverSocketFactory = (ServerSocketFactory) ssfClass
650:                        .newInstance();
651:            }
652:
653:            /** Get the javax.net.ServerSocketFactory implementation class to use to
654:             *create the service SocketFactory.
655:             *@jmx:managed-attribute
656:             */
657:            public String getServerSocketFactory() {
658:                String name = null;
659:                if (serverSocketFactory != null)
660:                    name = serverSocketFactory.getClass().getName();
661:                return name;
662:            }
663:
664:            /** Set the security domain name to use with SSL aware socket factories
665:             *@jmx:managed-attribute
666:             */
667:            public void setSecurityDomain(String domainName) {
668:                this .securityDomain = domainName;
669:            }
670:
671:            /** Get the security domain name to use with SSL aware socket factories
672:             *@jmx:managed-attribute
673:             */
674:            public String getSecurityDomain() {
675:                return this .securityDomain;
676:            }
677:        }
678:        // vim:expandtab:tabstop=3:shiftwidth=3
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