diff options
Diffstat (limited to 'trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/protocol/AMQProtocolEngine.java')
| -rw-r--r-- | trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/protocol/AMQProtocolEngine.java | 1070 |
1 files changed, 0 insertions, 1070 deletions
diff --git a/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/protocol/AMQProtocolEngine.java b/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/protocol/AMQProtocolEngine.java deleted file mode 100644 index ea8fbbd68f..0000000000 --- a/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/protocol/AMQProtocolEngine.java +++ /dev/null @@ -1,1070 +0,0 @@ -/* - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - * - */ -package org.apache.qpid.server.protocol; - -import java.io.IOException; -import java.net.InetSocketAddress; -import java.net.SocketAddress; -import java.nio.ByteBuffer; -import java.security.Principal; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; -import java.util.Map; -import java.util.Map.Entry; -import java.util.concurrent.ConcurrentHashMap; -import java.util.concurrent.CopyOnWriteArrayList; -import java.util.concurrent.CopyOnWriteArraySet; -import java.util.concurrent.atomic.AtomicLong; -import java.util.concurrent.atomic.AtomicMarkableReference; -import java.util.concurrent.atomic.AtomicBoolean; - -import javax.management.JMException; -import javax.security.sasl.SaslServer; - -import org.apache.log4j.Logger; -import org.apache.mina.transport.vmpipe.VmPipeAddress; -import org.apache.qpid.AMQChannelException; -import org.apache.qpid.AMQConnectionException; -import org.apache.qpid.AMQException; -import org.apache.qpid.codec.AMQCodecFactory; -import org.apache.qpid.codec.AMQDecoder; -import org.apache.qpid.common.ClientProperties; -import org.apache.qpid.framing.AMQBody; -import org.apache.qpid.framing.AMQDataBlock; -import org.apache.qpid.framing.AMQFrame; -import org.apache.qpid.framing.AMQMethodBody; -import org.apache.qpid.framing.AMQProtocolHeaderException; -import org.apache.qpid.framing.AMQShortString; -import org.apache.qpid.framing.ChannelCloseOkBody; -import org.apache.qpid.framing.ConnectionCloseBody; -import org.apache.qpid.framing.ContentBody; -import org.apache.qpid.framing.ContentHeaderBody; -import org.apache.qpid.framing.FieldTable; -import org.apache.qpid.framing.HeartbeatBody; -import org.apache.qpid.framing.MethodDispatcher; -import org.apache.qpid.framing.MethodRegistry; -import org.apache.qpid.framing.ProtocolInitiation; -import org.apache.qpid.framing.ProtocolVersion; -import org.apache.qpid.pool.Job; -import org.apache.qpid.pool.ReferenceCountingExecutorService; -import org.apache.qpid.protocol.AMQConstant; -import org.apache.qpid.protocol.AMQMethodEvent; -import org.apache.qpid.protocol.AMQMethodListener; -import org.apache.qpid.protocol.ProtocolEngine; -import org.apache.qpid.server.AMQChannel; -import org.apache.qpid.server.handler.ServerMethodDispatcherImpl; -import org.apache.qpid.server.logging.LogActor; -import org.apache.qpid.server.logging.LogSubject; -import org.apache.qpid.server.logging.actors.AMQPConnectionActor; -import org.apache.qpid.server.logging.actors.CurrentActor; -import org.apache.qpid.server.logging.messages.ConnectionMessages; -import org.apache.qpid.server.logging.subjects.ConnectionLogSubject; -import org.apache.qpid.server.management.Managable; -import org.apache.qpid.server.management.ManagedObject; -import org.apache.qpid.server.output.ProtocolOutputConverter; -import org.apache.qpid.server.output.ProtocolOutputConverterRegistry; -import org.apache.qpid.server.registry.ApplicationRegistry; -import org.apache.qpid.server.state.AMQState; -import org.apache.qpid.server.state.AMQStateManager; -import org.apache.qpid.server.virtualhost.VirtualHostRegistry; -import org.apache.qpid.server.virtualhost.VirtualHost; -import org.apache.qpid.transport.NetworkDriver; -import org.apache.qpid.transport.Sender; - -public class AMQProtocolEngine implements ProtocolEngine, Managable, AMQProtocolSession -{ - private static final Logger _logger = Logger.getLogger(AMQProtocolEngine.class); - - private static final String CLIENT_PROPERTIES_INSTANCE = ClientProperties.instance.toString(); - - private static final AtomicLong idGenerator = new AtomicLong(0); - - // to save boxing the channelId and looking up in a map... cache in an array the low numbered - // channels. This value must be of the form 2^x - 1. - private static final int CHANNEL_CACHE_SIZE = 0xff; - - private AMQShortString _contextKey; - - private AMQShortString _clientVersion = null; - - private VirtualHost _virtualHost; - - private final Map<Integer, AMQChannel> _channelMap = new HashMap<Integer, AMQChannel>(); - - private final AMQChannel[] _cachedChannels = new AMQChannel[CHANNEL_CACHE_SIZE + 1]; - - private final CopyOnWriteArraySet<AMQMethodListener> _frameListeners = new CopyOnWriteArraySet<AMQMethodListener>(); - - private final AMQStateManager _stateManager; - - private AMQCodecFactory _codecFactory; - - private AMQProtocolSessionMBean _managedObject; - - private SaslServer _saslServer; - - private Object _lastReceived; - - private Object _lastSent; - - protected volatile boolean _closed; - // maximum number of channels this session should have - private long _maxNoOfChannels = 1000; - - /* AMQP Version for this session */ - private ProtocolVersion _protocolVersion = ProtocolVersion.getLatestSupportedVersion(); - - private FieldTable _clientProperties; - private final List<Task> _taskList = new CopyOnWriteArrayList<Task>(); - - private Map<Integer, Long> _closingChannelsList = new ConcurrentHashMap<Integer, Long>(); - private ProtocolOutputConverter _protocolOutputConverter; - private Principal _authorizedID; - private MethodDispatcher _dispatcher; - private ProtocolSessionIdentifier _sessionIdentifier; - - // Create a simple ID that increments for ever new Session - private final long _sessionID = idGenerator.getAndIncrement(); - - private AMQPConnectionActor _actor; - private LogSubject _logSubject; - - private NetworkDriver _networkDriver; - - private long _lastIoTime; - - private long _writtenBytes; - private long _readBytes; - - private Job _readJob; - private Job _writeJob; - - private ReferenceCountingExecutorService _poolReference = ReferenceCountingExecutorService.getInstance(); - private long _maxFrameSize; - private final AtomicBoolean _closing = new AtomicBoolean(false); - - public ManagedObject getManagedObject() - { - return _managedObject; - } - - public AMQProtocolEngine(VirtualHostRegistry virtualHostRegistry, NetworkDriver driver) - { - _stateManager = new AMQStateManager(virtualHostRegistry, this); - _networkDriver = driver; - - _codecFactory = new AMQCodecFactory(true, this); - _poolReference.acquireExecutorService(); - _readJob = new Job(_poolReference, Job.MAX_JOB_EVENTS, true); - _writeJob = new Job(_poolReference, Job.MAX_JOB_EVENTS, false); - - _actor = new AMQPConnectionActor(this, virtualHostRegistry.getApplicationRegistry().getRootMessageLogger()); - - _logSubject = new ConnectionLogSubject(this); - - _actor.message(ConnectionMessages.CON_OPEN(null, null, false, false)); - - } - - private AMQProtocolSessionMBean createMBean() throws JMException - { - return new AMQProtocolSessionMBean(this); - } - - public long getSessionID() - { - return _sessionID; - } - - public LogActor getLogActor() - { - return _actor; - } - - public void setMaxFrameSize(long frameMax) - { - _maxFrameSize = frameMax; - } - - public long getMaxFrameSize() - { - return _maxFrameSize; - } - - public boolean isClosing() - { - return _closing.get(); - } - - public void received(final ByteBuffer msg) - { - _lastIoTime = System.currentTimeMillis(); - try - { - final ArrayList<AMQDataBlock> dataBlocks = _codecFactory.getDecoder().decodeBuffer(msg); - Job.fireAsynchEvent(_poolReference.getPool(), _readJob, new Runnable() - { - public void run() - { - // Decode buffer - - for (AMQDataBlock dataBlock : dataBlocks) - { - try - { - dataBlockReceived(dataBlock); - } - catch (Exception e) - { - _logger.error("Unexpected exception when processing datablock", e); - closeProtocolSession(); - } - } - } - }); - } - catch (Exception e) - { - _logger.error("Unexpected exception when processing datablock", e); - closeProtocolSession(); - } - } - - public void dataBlockReceived(AMQDataBlock message) throws Exception - { - _lastReceived = message; - if (message instanceof ProtocolInitiation) - { - protocolInitiationReceived((ProtocolInitiation) message); - - } - else if (message instanceof AMQFrame) - { - AMQFrame frame = (AMQFrame) message; - frameReceived(frame); - - } - else - { - throw new UnknnownMessageTypeException(message); - } - } - - private void frameReceived(AMQFrame frame) throws AMQException - { - int channelId = frame.getChannel(); - AMQBody body = frame.getBodyFrame(); - - //Look up the Channel's Actor and set that as the current actor - // If that is not available then we can use the ConnectionActor - // that is associated with this AMQMPSession. - LogActor channelActor = null; - if (_channelMap.get(channelId) != null) - { - channelActor = _channelMap.get(channelId).getLogActor(); - } - CurrentActor.set(channelActor == null ? _actor : channelActor); - - try - { - if (_logger.isDebugEnabled()) - { - _logger.debug("Frame Received: " + frame); - } - - // Check that this channel is not closing - if (channelAwaitingClosure(channelId)) - { - if ((frame.getBodyFrame() instanceof ChannelCloseOkBody)) - { - if (_logger.isInfoEnabled()) - { - _logger.info("Channel[" + channelId + "] awaiting closure - processing close-ok"); - } - } - else - { - // The channel has been told to close, we don't process any more frames until - // it's closed. - return; - } - } - - try - { - body.handle(channelId, this); - } - catch (AMQException e) - { - closeChannel(channelId); - throw e; - } - } - finally - { - CurrentActor.remove(); - } - } - - private void protocolInitiationReceived(ProtocolInitiation pi) - { - // this ensures the codec never checks for a PI message again - ((AMQDecoder) _codecFactory.getDecoder()).setExpectProtocolInitiation(false); - try - { - // Log incomming protocol negotiation request - _actor.message(ConnectionMessages.CON_OPEN(null, pi._protocolMajor + "-" + pi._protocolMinor, false, true)); - - ProtocolVersion pv = pi.checkVersion(); // Fails if not correct - - // This sets the protocol version (and hence framing classes) for this session. - setProtocolVersion(pv); - - String mechanisms = ApplicationRegistry.getInstance().getAuthenticationManager().getMechanisms(); - - String locales = "en_US"; - - AMQMethodBody responseBody = getMethodRegistry().createConnectionStartBody((short) getProtocolMajorVersion(), - (short) pv.getActualMinorVersion(), - null, - mechanisms.getBytes(), - locales.getBytes()); - _networkDriver.send(responseBody.generateFrame(0).toNioByteBuffer()); - - } - catch (AMQException e) - { - _logger.info("Received unsupported protocol initiation for protocol version: " + getProtocolVersion()); - - _networkDriver.send(new ProtocolInitiation(ProtocolVersion.getLatestSupportedVersion()).toNioByteBuffer()); - } - } - - public void methodFrameReceived(int channelId, AMQMethodBody methodBody) - { - - final AMQMethodEvent<AMQMethodBody> evt = new AMQMethodEvent<AMQMethodBody>(channelId, methodBody); - - try - { - try - { - - boolean wasAnyoneInterested = _stateManager.methodReceived(evt); - - if (!_frameListeners.isEmpty()) - { - for (AMQMethodListener listener : _frameListeners) - { - wasAnyoneInterested = listener.methodReceived(evt) || wasAnyoneInterested; - } - } - - if (!wasAnyoneInterested) - { - throw new AMQNoMethodHandlerException(evt); - } - } - catch (AMQChannelException e) - { - if (getChannel(channelId) != null) - { - if (_logger.isInfoEnabled()) - { - _logger.info("Closing channel due to: " + e.getMessage()); - } - - writeFrame(e.getCloseFrame(channelId)); - closeChannel(channelId); - } - else - { - if (_logger.isDebugEnabled()) - { - _logger.debug("ChannelException occured on non-existent channel:" + e.getMessage()); - } - - if (_logger.isInfoEnabled()) - { - _logger.info("Closing connection due to: " + e.getMessage()); - } - - AMQConnectionException ce = - evt.getMethod().getConnectionException(AMQConstant.CHANNEL_ERROR, - AMQConstant.CHANNEL_ERROR.getName().toString()); - - closeConnection(channelId, ce, false); - } - } - catch (AMQConnectionException e) - { - closeConnection(channelId, e, false); - } - } - catch (Exception e) - { - - for (AMQMethodListener listener : _frameListeners) - { - listener.error(e); - } - - _logger.error("Unexpected exception while processing frame. Closing connection.", e); - - closeProtocolSession(); - } - } - - public void contentHeaderReceived(int channelId, ContentHeaderBody body) throws AMQException - { - - AMQChannel channel = getAndAssertChannel(channelId); - - channel.publishContentHeader(body); - - } - - public void contentBodyReceived(int channelId, ContentBody body) throws AMQException - { - AMQChannel channel = getAndAssertChannel(channelId); - - channel.publishContentBody(body); - } - - public void heartbeatBodyReceived(int channelId, HeartbeatBody body) - { - // NO - OP - } - - /** - * Convenience method that writes a frame to the protocol session. Equivalent to calling - * getProtocolSession().write(). - * - * @param frame the frame to write - */ - public void writeFrame(AMQDataBlock frame) - { - _lastSent = frame; - final ByteBuffer buf = frame.toNioByteBuffer(); - _lastIoTime = System.currentTimeMillis(); - _writtenBytes += buf.remaining(); - Job.fireAsynchEvent(_poolReference.getPool(), _writeJob, new Runnable() - { - public void run() - { - _networkDriver.send(buf); - } - }); - } - - public AMQShortString getContextKey() - { - return _contextKey; - } - - public void setContextKey(AMQShortString contextKey) - { - _contextKey = contextKey; - } - - public List<AMQChannel> getChannels() - { - return new ArrayList<AMQChannel>(_channelMap.values()); - } - - public AMQChannel getAndAssertChannel(int channelId) throws AMQException - { - AMQChannel channel = getChannel(channelId); - if (channel == null) - { - throw new AMQException(AMQConstant.NOT_FOUND, "Channel not found with id:" + channelId); - } - - return channel; - } - - public AMQChannel getChannel(int channelId) throws AMQException - { - final AMQChannel channel = - ((channelId & CHANNEL_CACHE_SIZE) == channelId) ? _cachedChannels[channelId] : _channelMap.get(channelId); - if ((channel == null) || channel.isClosing()) - { - return null; - } - else - { - return channel; - } - } - - public boolean channelAwaitingClosure(int channelId) - { - return !_closingChannelsList.isEmpty() && _closingChannelsList.containsKey(channelId); - } - - public void addChannel(AMQChannel channel) throws AMQException - { - if (_closed) - { - throw new AMQException("Session is closed"); - } - - final int channelId = channel.getChannelId(); - - if (_closingChannelsList.containsKey(channelId)) - { - throw new AMQException("Session is marked awaiting channel close"); - } - - if (_channelMap.size() == _maxNoOfChannels) - { - String errorMessage = - toString() + ": maximum number of channels has been reached (" + _maxNoOfChannels - + "); can't create channel"; - _logger.error(errorMessage); - throw new AMQException(AMQConstant.NOT_ALLOWED, errorMessage); - } - else - { - _channelMap.put(channel.getChannelId(), channel); - } - - if (((channelId & CHANNEL_CACHE_SIZE) == channelId)) - { - _cachedChannels[channelId] = channel; - } - - checkForNotification(); - } - - private void checkForNotification() - { - int channelsCount = _channelMap.size(); - if (_managedObject != null && channelsCount >= _maxNoOfChannels) - { - _managedObject.notifyClients("Channel count (" + channelsCount + ") has reached the threshold value"); - } - } - - public Long getMaximumNumberOfChannels() - { - return _maxNoOfChannels; - } - - public void setMaximumNumberOfChannels(Long value) - { - _maxNoOfChannels = value; - } - - public void commitTransactions(AMQChannel channel) throws AMQException - { - if ((channel != null) && channel.isTransactional()) - { - channel.commit(); - } - } - - public void rollbackTransactions(AMQChannel channel) throws AMQException - { - if ((channel != null) && channel.isTransactional()) - { - channel.rollback(); - } - } - - /** - * Close a specific channel. This will remove any resources used by the channel, including: <ul><li>any queue - * subscriptions (this may in turn remove queues if they are auto delete</li> </ul> - * - * @param channelId id of the channel to close - * - * @throws AMQException if an error occurs closing the channel - * @throws IllegalArgumentException if the channel id is not valid - */ - public void closeChannel(int channelId) throws AMQException - { - final AMQChannel channel = getChannel(channelId); - if (channel == null) - { - throw new IllegalArgumentException("Unknown channel id"); - } - else - { - try - { - channel.close(); - markChannelAwaitingCloseOk(channelId); - } - finally - { - removeChannel(channelId); - } - } - } - - public void closeChannelOk(int channelId) - { - // todo QPID-847 - This is called from two lcoations ChannelCloseHandler and ChannelCloseOkHandler. - // When it is the CC_OK_Handler then it makes sence to remove the channel else we will leak memory. - // We do it from the Close Handler as we are sending the OK back to the client. - // While this is AMQP spec compliant. The Java client in the event of an IllegalArgumentException - // will send a close-ok.. Where we should call removeChannel. - // However, due to the poor exception handling on the client. The client-user will be notified of the - // InvalidArgument and if they then decide to close the session/connection then the there will be time - // for that to occur i.e. a new close method be sent before the exeption handling can mark the session closed. - //removeChannel(channelId); - _closingChannelsList.remove(new Integer(channelId)); - } - - private void markChannelAwaitingCloseOk(int channelId) - { - _closingChannelsList.put(channelId, System.currentTimeMillis()); - } - - /** - * In our current implementation this is used by the clustering code. - * - * @param channelId The channel to remove - */ - public void removeChannel(int channelId) - { - _channelMap.remove(channelId); - if ((channelId & CHANNEL_CACHE_SIZE) == channelId) - { - _cachedChannels[channelId] = null; - } - } - - /** - * Initialise heartbeats on the session. - * - * @param delay delay in seconds (not ms) - */ - public void initHeartbeats(int delay) - { - if (delay > 0) - { - _networkDriver.setMaxWriteIdle(delay); - _networkDriver.setMaxReadIdle((int) (ApplicationRegistry.getInstance().getConfiguration().getHeartBeatTimeout() * delay)); - } - } - - /** - * Closes all channels that were opened by this protocol session. This frees up all resources used by the channel. - * - * @throws AMQException if an error occurs while closing any channel - */ - private void closeAllChannels() throws AMQException - { - for (AMQChannel channel : _channelMap.values()) - { - channel.close(); - } - - _channelMap.clear(); - for (int i = 0; i <= CHANNEL_CACHE_SIZE; i++) - { - _cachedChannels[i] = null; - } - } - - /** This must be called when the session is _closed in order to free up any resources managed by the session. */ - public void closeSession() throws AMQException - { - if(_closing.compareAndSet(false,true)) - { - // REMOVE THIS SHOULD NOT BE HERE. - if (CurrentActor.get() == null) - { - CurrentActor.set(_actor); - } - if (!_closed) - { - if (_virtualHost != null) - { - _virtualHost.getConnectionRegistry().deregisterConnection(this); - } - - closeAllChannels(); - if (_managedObject != null) - { - _managedObject.unregister(); - // Ensure we only do this once. - _managedObject = null; - } - - for (Task task : _taskList) - { - task.doTask(this); - } - - synchronized(this) - { - _closed = true; - notifyAll(); - } - _poolReference.releaseExecutorService(); - CurrentActor.get().message(_logSubject, ConnectionMessages.CON_CLOSE()); - } - } - else - { - synchronized(this) - { - while(!_closed) - { - try - { - wait(1000); - } - catch (InterruptedException e) - { - - } - } - } - } - } - - public void closeConnection(int channelId, AMQConnectionException e, boolean closeProtocolSession) throws AMQException - { - if (_logger.isInfoEnabled()) - { - _logger.info("Closing connection due to: " + e.getMessage()); - } - - markChannelAwaitingCloseOk(channelId); - closeSession(); - _stateManager.changeState(AMQState.CONNECTION_CLOSING); - writeFrame(e.getCloseFrame(channelId)); - - if (closeProtocolSession) - { - closeProtocolSession(); - } - } - - public void closeProtocolSession() - { - _networkDriver.close(); - try - { - _stateManager.changeState(AMQState.CONNECTION_CLOSED); - } - catch (AMQException e) - { - _logger.info(e.getMessage()); - } - } - - public String toString() - { - return getRemoteAddress() + "(" + (getAuthorizedID() == null ? "?" : getAuthorizedID().getName() + ")"); - } - - public String dump() - { - return this + " last_sent=" + _lastSent + " last_received=" + _lastReceived; - } - - /** @return an object that can be used to identity */ - public Object getKey() - { - return getRemoteAddress(); - } - - /** - * Get the fully qualified domain name of the local address to which this session is bound. Since some servers may - * be bound to multiple addresses this could vary depending on the acceptor this session was created from. - * - * @return a String FQDN - */ - public String getLocalFQDN() - { - SocketAddress address = _networkDriver.getLocalAddress(); - // we use the vmpipe address in some tests hence the need for this rather ugly test. The host - // information is used by SASL primary. - if (address instanceof InetSocketAddress) - { - return ((InetSocketAddress) address).getHostName(); - } - else if (address instanceof VmPipeAddress) - { - return "vmpipe:" + ((VmPipeAddress) address).getPort(); - } - else - { - throw new IllegalArgumentException("Unsupported socket address class: " + address); - } - } - - public SaslServer getSaslServer() - { - return _saslServer; - } - - public void setSaslServer(SaslServer saslServer) - { - _saslServer = saslServer; - } - - public FieldTable getClientProperties() - { - return _clientProperties; - } - - public void setClientProperties(FieldTable clientProperties) - { - _clientProperties = clientProperties; - if (_clientProperties != null) - { - if (_clientProperties.getString(CLIENT_PROPERTIES_INSTANCE) != null) - { - String clientID = _clientProperties.getString(CLIENT_PROPERTIES_INSTANCE); - setContextKey(new AMQShortString(clientID)); - - // Log the Opening of the connection for this client - _actor.message(ConnectionMessages.CON_OPEN(clientID, _protocolVersion.toString(), true, true)); - } - - if (_clientProperties.getString(ClientProperties.version.toString()) != null) - { - _clientVersion = new AMQShortString(_clientProperties.getString(ClientProperties.version.toString())); - } - } - _sessionIdentifier = new ProtocolSessionIdentifier(this); - } - - private void setProtocolVersion(ProtocolVersion pv) - { - _protocolVersion = pv; - - _protocolOutputConverter = ProtocolOutputConverterRegistry.getConverter(this); - _dispatcher = ServerMethodDispatcherImpl.createMethodDispatcher(_stateManager, _protocolVersion); - } - - public byte getProtocolMajorVersion() - { - return _protocolVersion.getMajorVersion(); - } - - public ProtocolVersion getProtocolVersion() - { - return _protocolVersion; - } - - public byte getProtocolMinorVersion() - { - return _protocolVersion.getMinorVersion(); - } - - public boolean isProtocolVersion(byte major, byte minor) - { - return (getProtocolMajorVersion() == major) && (getProtocolMinorVersion() == minor); - } - - public MethodRegistry getRegistry() - { - return getMethodRegistry(); - } - - public Object getClientIdentifier() - { - return (_networkDriver != null) ? _networkDriver.getRemoteAddress() : null; - } - - public VirtualHost getVirtualHost() - { - return _virtualHost; - } - - public void setVirtualHost(VirtualHost virtualHost) throws AMQException - { - _virtualHost = virtualHost; - - _virtualHost.getConnectionRegistry().registerConnection(this); - - try - { - _managedObject = createMBean(); - _managedObject.register(); - } - catch (JMException e) - { - _logger.error(e); - } - } - - public void addSessionCloseTask(Task task) - { - _taskList.add(task); - } - - public void removeSessionCloseTask(Task task) - { - _taskList.remove(task); - } - - public ProtocolOutputConverter getProtocolOutputConverter() - { - return _protocolOutputConverter; - } - - public void setAuthorizedID(Principal authorizedID) - { - _authorizedID = authorizedID; - } - - public Principal getAuthorizedID() - { - return _authorizedID; - } - - public Principal getPrincipal() - { - return _authorizedID; - } - - public SocketAddress getRemoteAddress() - { - return _networkDriver.getRemoteAddress(); - } - - public SocketAddress getLocalAddress() - { - return _networkDriver.getLocalAddress(); - } - - public MethodRegistry getMethodRegistry() - { - return MethodRegistry.getMethodRegistry(getProtocolVersion()); - } - - public MethodDispatcher getMethodDispatcher() - { - return _dispatcher; - } - - public void closed() - { - try - { - closeSession(); - } - catch (AMQException e) - { - _logger.error("Could not close protocol engine", e); - } - } - - public void readerIdle() - { - // Nothing - } - - public void setNetworkDriver(NetworkDriver driver) - { - _networkDriver = driver; - } - - public void writerIdle() - { - _networkDriver.send(HeartbeatBody.FRAME.toNioByteBuffer()); - } - - public void exception(Throwable throwable) - { - if (throwable instanceof AMQProtocolHeaderException) - { - - writeFrame(new ProtocolInitiation(ProtocolVersion.getLatestSupportedVersion())); - _networkDriver.close(); - - _logger.error("Error in protocol initiation " + this + ":" + getRemoteAddress() + " :" + throwable.getMessage(), throwable); - } - else if (throwable instanceof IOException) - { - _logger.error("IOException caught in" + this + ", session closed implictly: " + throwable); - } - else - { - _logger.error("Exception caught in" + this + ", closing session explictly: " + throwable, throwable); - - - MethodRegistry methodRegistry = MethodRegistry.getMethodRegistry(getProtocolVersion()); - ConnectionCloseBody closeBody = methodRegistry.createConnectionCloseBody(200,new AMQShortString(throwable.getMessage()),0,0); - - writeFrame(closeBody.generateFrame(0)); - - _networkDriver.close(); - } - } - - public void init() - { - // Do nothing - } - - public void setSender(Sender<ByteBuffer> sender) - { - // Do nothing - } - - public long getReadBytes() - { - return _readBytes; - } - - public long getWrittenBytes() - { - return _writtenBytes; - } - - public long getLastIoTime() - { - return _lastIoTime; - } - - public ProtocolSessionIdentifier getSessionIdentifier() - { - return _sessionIdentifier; - } - - public String getClientVersion() - { - return (_clientVersion == null) ? null : _clientVersion.toString(); - } - - public void closeIfLingeringClosedChannels() - { - for (Entry<Integer, Long>id : _closingChannelsList.entrySet()) - { - if (id.getValue() + 30000 > System.currentTimeMillis()) - { - // We have a channel that we closed 30 seconds ago. Client's dead, kill the connection - _logger.error("Closing connection as channel was closed more than 30 seconds ago and no ChannelCloseOk has been processed"); - closeProtocolSession(); - } - } - } - -} |