diff options
Diffstat (limited to 'qpid/java/client/src/main/java/org/apache/qpid/client/protocol/AMQProtocolHandler.java')
| -rw-r--r-- | qpid/java/client/src/main/java/org/apache/qpid/client/protocol/AMQProtocolHandler.java | 363 |
1 files changed, 184 insertions, 179 deletions
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/protocol/AMQProtocolHandler.java b/qpid/java/client/src/main/java/org/apache/qpid/client/protocol/AMQProtocolHandler.java index ab3ff8ecb0..c7e2493025 100644 --- a/qpid/java/client/src/main/java/org/apache/qpid/client/protocol/AMQProtocolHandler.java +++ b/qpid/java/client/src/main/java/org/apache/qpid/client/protocol/AMQProtocolHandler.java @@ -20,10 +20,6 @@ */ package org.apache.qpid.client.protocol; -import org.apache.mina.common.IdleStatus; -import org.apache.mina.common.IoFilterChain; -import org.apache.mina.common.IoHandlerAdapter; -import org.apache.mina.common.IoSession; import org.apache.mina.filter.ReadThrottleFilterBuilder; import org.apache.mina.filter.SSLFilter; import org.apache.mina.filter.WriteBufferLimitFilterBuilder; @@ -48,16 +44,25 @@ import org.apache.qpid.client.state.listener.SpecificMethodFrameListener; import org.apache.qpid.codec.AMQCodecFactory; import org.apache.qpid.framing.*; import org.apache.qpid.jms.BrokerDetails; +import org.apache.qpid.pool.Event; +import org.apache.qpid.pool.Job; +import org.apache.qpid.pool.PoolingFilter; import org.apache.qpid.pool.ReadWriteThreadModel; +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.ssl.SSLContextFactory; +import org.apache.qpid.transport.NetworkDriver; import org.apache.qpid.transport.network.io.IoTransport; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; +import java.net.SocketAddress; +import java.nio.ByteBuffer; +import java.util.ArrayList; import java.util.Iterator; import java.util.Set; import java.util.concurrent.CopyOnWriteArraySet; @@ -120,7 +125,7 @@ import java.util.concurrent.CountDownLatch; * held per protocol handler, per protocol session, per network connection, per channel, in seperate classes, so * that lifecycles of the fields match lifecycles of their containing objects. */ -public class AMQProtocolHandler extends IoHandlerAdapter +public class AMQProtocolHandler implements ProtocolEngine { /** Used for debugging. */ private static final Logger _logger = LoggerFactory.getLogger(AMQProtocolHandler.class); @@ -137,7 +142,7 @@ public class AMQProtocolHandler extends IoHandlerAdapter private volatile AMQProtocolSession _protocolSession; /** Holds the state of the protocol session. */ - private AMQStateManager _stateManager = new AMQStateManager(); + private AMQStateManager _stateManager; /** Holds the method listeners, */ private final CopyOnWriteArraySet<AMQMethodListener> _frameListeners = new CopyOnWriteArraySet<AMQMethodListener>(); @@ -166,7 +171,15 @@ public class AMQProtocolHandler extends IoHandlerAdapter /** Object to lock on when changing the latch */ private Object _failoverLatchChange = new Object(); - + private AMQCodecFactory _codecFactory; + private Job _readJob; + private Job _writeJob; + private ReferenceCountingExecutorService _poolReference = ReferenceCountingExecutorService.getInstance(); + private NetworkDriver _networkDriver; + + private long _writtenBytes; + private long _readBytes; + /** * Creates a new protocol handler, associated with the specified client connection instance. * @@ -175,86 +188,14 @@ public class AMQProtocolHandler extends IoHandlerAdapter public AMQProtocolHandler(AMQConnection con) { _connection = con; - } - - /** - * Invoked by MINA when a MINA session for a new connection is created. This method sets up the filter chain on the - * session, which filters the events handled by this handler. The filter chain consists of, handing off events - * to an asynchronous thread pool, optionally encoding/decoding ssl, encoding/decoding AMQP. - * - * @param session The MINA session. - * - * @throws Exception Any underlying exceptions are allowed to fall through to MINA. - */ - public void sessionCreated(IoSession session) throws Exception - { - _logger.debug("Protocol session created for session " + System.identityHashCode(session)); - _failoverHandler = new FailoverHandler(this, session); - - final ProtocolCodecFilter pcf = new ProtocolCodecFilter(new AMQCodecFactory(false, _protocolSession)); - - if (Boolean.getBoolean("amqj.shared_read_write_pool")) - { - session.getFilterChain().addBefore("AsynchronousWriteFilter", "protocolFilter", pcf); - } - else - { - session.getFilterChain().addLast("protocolFilter", pcf); - } - // we only add the SSL filter where we have an SSL connection - if (_connection.getSSLConfiguration() != null) - { - SSLConfiguration sslConfig = _connection.getSSLConfiguration(); - SSLContextFactory sslFactory = - new SSLContextFactory(sslConfig.getKeystorePath(), sslConfig.getKeystorePassword(), sslConfig.getCertType()); - SSLFilter sslFilter = new SSLFilter(sslFactory.buildClientContext()); - sslFilter.setUseClientMode(true); - session.getFilterChain().addBefore("protocolFilter", "ssl", sslFilter); - } - - try - { - ReadWriteThreadModel threadModel = ReadWriteThreadModel.getInstance(); - threadModel.getAsynchronousReadFilter().createNewJobForSession(session); - threadModel.getAsynchronousWriteFilter().createNewJobForSession(session); - } - catch (RuntimeException e) - { - _logger.error(e.getMessage(), e); - } - - if (Boolean.getBoolean(ClientProperties.PROTECTIO_PROP_NAME)) - { - try - { - //Add IO Protection Filters - IoFilterChain chain = session.getFilterChain(); - - session.getFilterChain().addLast("tempExecutorFilterForFilterBuilder", new ExecutorFilter()); - - ReadThrottleFilterBuilder readfilter = new ReadThrottleFilterBuilder(); - readfilter.setMaximumConnectionBufferSize(Integer.parseInt(System.getProperty( - ClientProperties.READ_BUFFER_LIMIT_PROP_NAME, ClientProperties.READ_BUFFER_LIMIT_DEFAULT))); - readfilter.attach(chain); - - WriteBufferLimitFilterBuilder writefilter = new WriteBufferLimitFilterBuilder(); - writefilter.setMaximumConnectionBufferSize(Integer.parseInt(System.getProperty( - ClientProperties.WRITE_BUFFER_LIMIT_PROP_NAME, ClientProperties.WRITE_BUFFER_LIMIT_DEFAULT))); - writefilter.attach(chain); - session.getFilterChain().remove("tempExecutorFilterForFilterBuilder"); - - _logger.info("Using IO Read/Write Filter Protection"); - } - catch (Exception e) - { - _logger.error("Unable to attach IO Read/Write Filter Protection :" + e.getMessage()); - } - } - _protocolSession = new AMQProtocolSession(this, session, _connection); - - _stateManager.setProtocolSession(_protocolSession); - - _protocolSession.init(); + _protocolSession = new AMQProtocolSession(this, _connection); + _stateManager = new AMQStateManager(_protocolSession); + _codecFactory = new AMQCodecFactory(false, _protocolSession); + ReadWriteThreadModel threadModel = ReadWriteThreadModel.getInstance(); + _readJob = new Job(threadModel.getAsynchronousReadFilter(), PoolingFilter.MAX_JOB_EVENTS, true); + _writeJob = new Job(threadModel.getAsynchronousWriteFilter(), PoolingFilter.MAX_JOB_EVENTS, false); + _poolReference.acquireExecutorService(); + _failoverHandler = new FailoverHandler(this); } /** @@ -283,12 +224,10 @@ public class AMQProtocolHandler extends IoHandlerAdapter * may be called first followed by this method. This depends on whether the client was trying to send data at the * time of the failure. * - * @param session The MINA session. - * * @todo Clarify: presumably exceptionCaught is called when the client is sending during a connection failure and * not otherwise? The above comment doesn't make that clear. */ - public void sessionClosed(IoSession session) + public void closed() { if (_connection.isClosed()) { @@ -327,7 +266,8 @@ public class AMQProtocolHandler extends IoHandlerAdapter { _logger.debug("sessionClose() not allowed to failover"); _connection.exceptionReceived(new AMQDisconnectedException( - "Server closed connection and reconnection " + "not permitted.", null)); + "Server closed connection and reconnection " + "not permitted.", + _stateManager.getLastException())); } else { @@ -350,43 +290,39 @@ public class AMQProtocolHandler extends IoHandlerAdapter failoverThread.start(); } - public void sessionIdle(IoSession session, IdleStatus status) throws Exception + @Override + public void readerIdle() { - _logger.debug("Protocol Session [" + this + ":" + session + "] idle: " + status); - if (IdleStatus.WRITER_IDLE.equals(status)) - { - // write heartbeat frame: - _logger.debug("Sent heartbeat"); - session.write(HeartbeatBody.FRAME); - HeartbeatDiagnostics.sent(); - } - else if (IdleStatus.READER_IDLE.equals(status)) - { - // failover: - HeartbeatDiagnostics.timeout(); - _logger.warn("Timed out while waiting for heartbeat from peer."); - session.close(); - } + _logger.debug("Protocol Session [" + this + "] idle: reader"); + // failover: + HeartbeatDiagnostics.timeout(); + _logger.warn("Timed out while waiting for heartbeat from peer."); + _networkDriver.close(); + } + + @Override + public void writerIdle() + { + _logger.debug("Protocol Session [" + this + "] idle: reader"); + writeFrame(HeartbeatBody.FRAME); + HeartbeatDiagnostics.sent(); } /** - * Invoked when any exception is thrown by a user IoHandler implementation or by MINA. If the cause is an - * IOException, MINA will close the connection automatically. - * - * @param session The MINA session. - * @param cause The exception that triggered this event. + * Invoked when any exception is thrown by the NetworkDriver */ - public void exceptionCaught(IoSession session, Throwable cause) + public void exception(Throwable cause) { + _logger.info("AS: HELLO"); if (_failoverState == FailoverState.NOT_STARTED) { // if (!(cause instanceof AMQUndeliveredException) && (!(cause instanceof AMQAuthenticationException))) if ((cause instanceof AMQConnectionClosedException) || cause instanceof IOException) { _logger.info("Exception caught therefore going to attempt failover: " + cause, cause); - // this will attemp failover - - sessionClosed(session); + // this will attempt failover + _networkDriver.close(); + closed(); } else { @@ -437,6 +373,7 @@ public class AMQProtocolHandler extends IoHandlerAdapter public void propagateExceptionToAllWaiters(Exception e) { getStateManager().error(e); + propagateExceptionToFrameListeners(e); } @@ -490,48 +427,84 @@ public class AMQProtocolHandler extends IoHandlerAdapter private static int _messageReceivedCount; - public void messageReceived(IoSession session, Object message) throws Exception - { - if (PROTOCOL_DEBUG) - { - _protocolLogger.info(String.format("RECV: [%s] %s", this, message)); - } - if(message instanceof AMQFrame) + @Override + public void received(ByteBuffer msg) + { + try { - final boolean debug = _logger.isDebugEnabled(); - final long msgNumber = ++_messageReceivedCount; + _readBytes += msg.remaining(); + final ArrayList<AMQDataBlock> dataBlocks = _codecFactory.getDecoder().decodeBuffer(msg); - if (debug && ((msgNumber % 1000) == 0)) + Job.fireAsynchEvent(_poolReference.getPool(), _readJob, new Event(new Runnable() { - _logger.debug("Received " + _messageReceivedCount + " protocol messages"); - } - - AMQFrame frame = (AMQFrame) message; - - final AMQBody bodyFrame = frame.getBodyFrame(); - - HeartbeatDiagnostics.received(bodyFrame instanceof HeartbeatBody); + @Override + public void run() + { + // Decode buffer - bodyFrame.handle(frame.getChannel(), _protocolSession); + for (AMQDataBlock message : dataBlocks) + { - _connection.bytesReceived(_protocolSession.getIoSession().getReadBytes()); + try + { + if (PROTOCOL_DEBUG) + { + _protocolLogger.info(String.format("RECV: [%s] %s", this, message)); + } + + if(message instanceof AMQFrame) + { + final boolean debug = _logger.isDebugEnabled(); + final long msgNumber = ++_messageReceivedCount; + + if (debug && ((msgNumber % 1000) == 0)) + { + _logger.debug("Received " + _messageReceivedCount + " protocol messages"); + } + + AMQFrame frame = (AMQFrame) message; + + final AMQBody bodyFrame = frame.getBodyFrame(); + + HeartbeatDiagnostics.received(bodyFrame instanceof HeartbeatBody); + + bodyFrame.handle(frame.getChannel(), _protocolSession); + + _connection.bytesReceived(_readBytes); + } + else if (message instanceof ProtocolInitiation) + { + // We get here if the server sends a response to our initial protocol header + // suggesting an alternate ProtocolVersion; the server will then close the + // connection. + ProtocolInitiation protocolInit = (ProtocolInitiation) message; + ProtocolVersion pv = protocolInit.checkVersion(); + getConnection().setProtocolVersion(pv); + + // get round a bug in old versions of qpid whereby the connection is not closed + _stateManager.changeState(AMQState.CONNECTION_CLOSED); + } + } + catch (Exception e) + { + e.printStackTrace(); + _logger.error("Exception processing frame", e); + propagateExceptionToFrameListeners(e); + exception(e); + } + } + } + })); } - else if (message instanceof ProtocolInitiation) + catch (Exception e) { - // We get here if the server sends a response to our initial protocol header - // suggesting an alternate ProtocolVersion; the server will then close the - // connection. - ProtocolInitiation protocolInit = (ProtocolInitiation) message; - ProtocolVersion pv = protocolInit.checkVersion(); - getConnection().setProtocolVersion(pv); - - // get round a bug in old versions of qpid whereby the connection is not closed - _stateManager.changeState(AMQState.CONNECTION_CLOSED); + propagateExceptionToFrameListeners(e); + exception(e); } } - public void methodBodyReceived(final int channelId, final AMQBody bodyFrame, IoSession session)//, final IoSession session) + public void methodBodyReceived(final int channelId, final AMQBody bodyFrame) throws AMQException { @@ -571,32 +544,13 @@ public class AMQProtocolHandler extends IoHandlerAdapter { propagateExceptionToFrameListeners(e); - exceptionCaught(session, e); + exception(e); } } private static int _messagesOut; - public void messageSent(IoSession session, Object message) throws Exception - { - if (PROTOCOL_DEBUG) - { - _protocolLogger.debug(String.format("SEND: [%s] %s", this, message)); - } - - final long sentMessages = _messagesOut++; - - final boolean debug = _logger.isDebugEnabled(); - - if (debug && ((sentMessages % 1000) == 0)) - { - _logger.debug("Sent " + _messagesOut + " protocol messages"); - } - - _connection.bytesSent(session.getWrittenBytes()); - } - public StateWaiter createWaiter(Set<AMQState> states) throws AMQException { return getStateManager().createWaiter(states); @@ -610,12 +564,34 @@ public class AMQProtocolHandler extends IoHandlerAdapter */ public void writeFrame(AMQDataBlock frame) { - _protocolSession.writeFrame(frame); + writeFrame(frame, false); } public void writeFrame(AMQDataBlock frame, boolean wait) { - _protocolSession.writeFrame(frame, wait); + ByteBuffer buf = frame.toNioByteBuffer(); + _writtenBytes += buf.remaining(); + _networkDriver.send(buf); + if (PROTOCOL_DEBUG) + { + _protocolLogger.debug(String.format("SEND: [%s] %s", this, frame)); + } + + final long sentMessages = _messagesOut++; + + final boolean debug = _logger.isDebugEnabled(); + + if (debug && ((sentMessages % 1000) == 0)) + { + _logger.debug("Sent " + _messagesOut + " protocol messages"); + } + + _connection.bytesSent(_writtenBytes); + + if (wait) + { + _networkDriver.flush(); + } } /** @@ -673,7 +649,7 @@ public class AMQProtocolHandler extends IoHandlerAdapter //FIXME: At this point here we should check or before add we should check _stateManager is in an open // state so as we don't check we are likely just to time out here as I believe is being seen in QPID-1255 } - _protocolSession.writeFrame(frame); + writeFrame(frame); return listener.blockForFrame(timeout); // When control resumes before this line, a reply will have been received @@ -723,20 +699,17 @@ public class AMQProtocolHandler extends IoHandlerAdapter final AMQFrame frame = body.generateFrame(0); //If the connection is already closed then don't do a syncWrite - if (getStateManager().getCurrentState().equals(AMQState.CONNECTION_CLOSED)) - { - _protocolSession.closeProtocolSession(false); - } - else + if (!getStateManager().getCurrentState().equals(AMQState.CONNECTION_CLOSED)) { try { syncWrite(frame, ConnectionCloseOkBody.class, timeout); - _protocolSession.closeProtocolSession(); + _networkDriver.close(); + closed(); } catch (AMQTimeoutException e) { - _protocolSession.closeProtocolSession(false); + closed(); } catch (FailoverException e) { @@ -748,13 +721,13 @@ public class AMQProtocolHandler extends IoHandlerAdapter /** @return the number of bytes read from this protocol session */ public long getReadBytes() { - return _protocolSession.getIoSession().getReadBytes(); + return _readBytes; } /** @return the number of bytes written to this protocol session */ public long getWrittenBytes() { - return _protocolSession.getIoSession().getWrittenBytes(); + return _writtenBytes; } public void failover(String host, int port) @@ -807,6 +780,7 @@ public class AMQProtocolHandler extends IoHandlerAdapter public void setStateManager(AMQStateManager stateManager) { _stateManager = stateManager; + _stateManager.setProtocolSession(_protocolSession); } public AMQProtocolSession getProtocolSession() @@ -843,4 +817,35 @@ public class AMQProtocolHandler extends IoHandlerAdapter { return _protocolSession.getProtocolVersion(); } + + public SocketAddress getRemoteAddress() + { + return _networkDriver.getRemoteAddress(); + } + + public SocketAddress getLocalAddress() + { + return _networkDriver.getLocalAddress(); + } + + public void setNetworkDriver(NetworkDriver driver) + { + _networkDriver = driver; + } + + /** @param delay delay in seconds (not ms) */ + void initHeartbeats(int delay) + { + if (delay > 0) + { + getNetworkDriver().setMaxWriteIdle(delay); + getNetworkDriver().setMaxReadIdle(HeartbeatConfig.CONFIG.getTimeout(delay)); + HeartbeatDiagnostics.init(delay, HeartbeatConfig.CONFIG.getTimeout(delay)); + } + } + + public NetworkDriver getNetworkDriver() + { + return _networkDriver; + } } |