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http://jira.activemq.org/jira/browse/AMQ-643 

The maxInactivityDuration is now negociated using the WireFormatInfo.  This makes it easier to configure connections since client and server configs do not HAVE to match up excactly.


git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@387566 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hiram R. Chirino 2006-03-21 16:12:31 +00:00
parent a5ee130bea
commit ef0c0e1f87
11 changed files with 200 additions and 102 deletions
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11
activemq-core/src/main/java/org/apache/activemq/command/WireFormatInfo.java
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@ -240,6 +240,17 @@ public class WireFormatInfo implements Command, MarshallAware {
public void setTightEncodingEnabled(boolean tightEncodingEnabled) throws IOException {
setProperty("TightEncodingEnabled", tightEncodingEnabled ? Boolean.TRUE : Boolean.FALSE);
}
/**
* @throws IOException
*/
public long getMaxInactivityDuration() throws IOException {
Long l = (Long) getProperty("MaxInactivityDuration");
return l == null ? 0 : l.longValue();
}
public void seMaxInactivityDuration(long maxInactivityDuration) throws IOException {
setProperty("MaxInactivityDuration", new Long(maxInactivityDuration));
}
public Response visit(CommandVisitor visitor) throws Exception {
return visitor.processWireFormat(this);

12
activemq-core/src/main/java/org/apache/activemq/openwire/OpenWireFormatFactory.java
View File

@ -35,7 +35,8 @@ public class OpenWireFormatFactory implements WireFormatFactory {
private boolean cacheEnabled=true;
private boolean tightEncodingEnabled=true;
private boolean sizePrefixDisabled=false;
private long maxInactivityDuration=30*1000;
public WireFormat createWireFormat() {
WireFormatInfo info = new WireFormatInfo();
info.setVersion(version);
@ -46,6 +47,7 @@ public class OpenWireFormatFactory implements WireFormatFactory {
info.setTcpNoDelayEnabled(tcpNoDelayEnabled);
info.setTightEncodingEnabled(tightEncodingEnabled);
info.setSizePrefixDisabled(sizePrefixDisabled);
info.seMaxInactivityDuration(maxInactivityDuration);
} catch (Exception e) {
IllegalStateException ise = new IllegalStateException("Could not configure WireFormatInfo");
ise.initCause(e);
@ -104,4 +106,12 @@ public class OpenWireFormatFactory implements WireFormatFactory {
public void setSizePrefixDisabled(boolean sizePrefixDisabled) {
this.sizePrefixDisabled = sizePrefixDisabled;
}
public long getMaxInactivityDuration() {
return maxInactivityDuration;
}
public void setMaxInactivityDuration(long maxInactivityDuration) {
this.maxInactivityDuration = maxInactivityDuration;
}
}

103
activemq-core/src/main/java/org/apache/activemq/transport/InactivityMonitor.java
View File

@ -20,6 +20,7 @@ import java.io.IOException;
import org.apache.activemq.command.Command;
import org.apache.activemq.command.KeepAliveInfo;
import org.apache.activemq.command.WireFormatInfo;
import org.apache.activemq.thread.Scheduler;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -31,12 +32,13 @@ import edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicBoolean;
*
* @version $Revision$
*/
public class InactivityMonitor extends TransportFilter implements Runnable {
public class InactivityMonitor extends TransportFilter {
private final Log log = LogFactory.getLog(InactivityMonitor.class);
private final long maxInactivityDuration;
private byte readCheckIteration=0;
private WireFormatInfo localWireFormatInfo;
private WireFormatInfo remoteWireFormatInfo;
private boolean monitorStarted=false;
private final AtomicBoolean commandSent=new AtomicBoolean(false);
private final AtomicBoolean inSend=new AtomicBoolean(false);
@ -44,35 +46,29 @@ public class InactivityMonitor extends TransportFilter implements Runnable {
private final AtomicBoolean commandReceived=new AtomicBoolean(true);
private final AtomicBoolean inReceive=new AtomicBoolean(false);
public InactivityMonitor(Transport next, long maxInactivityDuration) {
super(next);
this.maxInactivityDuration = maxInactivityDuration;
}
public void start() throws Exception {
next.start();
Scheduler.executePeriodically(this, maxInactivityDuration/2);
}
private final Runnable readChecker = new Runnable() {
public void run() {
readCheck();
}
};
private final Runnable writeChecker = new Runnable() {
public void run() {
writeCheck();
}
};
public InactivityMonitor(Transport next) {
super(next);
}
public void stop() throws Exception {
Scheduler.cancel(this);
stopMonitorThreads();
next.stop();
}
synchronized public void run() {
switch(readCheckIteration) {
case 0:
writeCheck();
readCheckIteration++;
break;
case 1:
readCheck();
writeCheck();
readCheckIteration=0;
break;
}
}
private void writeCheck() {
if( inSend.get() ) {
log.debug("A send is in progress");
@ -82,7 +78,7 @@ public class InactivityMonitor extends TransportFilter implements Runnable {
if( !commandSent.get() ) {
log.debug("No message sent since last write check, sending a KeepAliveInfo");
try {
next.oneway(new KeepAliveInfo());
next.oneway(new KeepAliveInfo());
} catch (IOException e) {
onException(e);
}
@ -113,18 +109,35 @@ public class InactivityMonitor extends TransportFilter implements Runnable {
public void onCommand(Command command) {
inReceive.set(true);
try {
if( command.isWireFormatInfo() ) {
synchronized( this ) {
remoteWireFormatInfo = (WireFormatInfo) command;
try {
startMonitorThreads();
} catch (IOException e) {
onException(e);
}
}
}
getTransportListener().onCommand(command);
} finally {
inReceive.set(false);
commandReceived.set(true);
}
}
public void oneway(Command command) throws IOException {
// Disable inactivity monitoring while processing a command.
inSend.set(true);
commandSent.set(true);
try {
if( command.isWireFormatInfo() ) {
synchronized( this ) {
localWireFormatInfo = (WireFormatInfo) command;
startMonitorThreads();
}
}
next.oneway(command);
} finally {
inSend.set(false);
@ -132,7 +145,37 @@ public class InactivityMonitor extends TransportFilter implements Runnable {
}
public void onException(IOException error) {
Scheduler.cancel(this);
stopMonitorThreads();
getTransportListener().onException(error);
}
synchronized private void startMonitorThreads() throws IOException {
if( monitorStarted )
return;
if( localWireFormatInfo == null )
return;
if( remoteWireFormatInfo == null )
return;
long l = Math.min(localWireFormatInfo.getMaxInactivityDuration(), remoteWireFormatInfo.getMaxInactivityDuration());
if( l > 0 ) {
Scheduler.executePeriodically(writeChecker, l/2);
Scheduler.executePeriodically(readChecker, l);
monitorStarted=true;
}
}
/**
*
*/
synchronized private void stopMonitorThreads() {
if( monitorStarted ) {
Scheduler.cancel(readChecker);
Scheduler.cancel(writeChecker);
monitorStarted=false;
}
}
}

8
activemq-core/src/main/java/org/apache/activemq/transport/activeio/ActiveIOTransportFactory.java
View File

@ -230,11 +230,13 @@ public class ActiveIOTransportFactory extends TransportFactory {
if( activeIOTransport.isTrace() ) {
transport = new TransportLogger(transport);
}
transport = new InactivityMonitor(transport);
if( format instanceof OpenWireFormat ) {
transport = new WireFormatNegotiator(transport, (OpenWireFormat) format, activeIOTransport.getMinmumWireFormatVersion());
}
transport = new InactivityMonitor(transport, activeIOTransport.getMaxInactivityDuration());
transport = new MutexTransport(transport);
transport = new ResponseCorrelator(transport);
return transport;
@ -279,10 +281,12 @@ public class ActiveIOTransportFactory extends TransportFactory {
if( activeIOTransport.isTrace() ) {
transport = new TransportLogger(transport);
}
transport = new InactivityMonitor(transport);
if( format instanceof OpenWireFormat ) {
transport = new WireFormatNegotiator(transport, (OpenWireFormat) format, activeIOTransport.getMinmumWireFormatVersion());
}
transport = new InactivityMonitor(transport, activeIOTransport.getMaxInactivityDuration());
return transport;
}

12
activemq-core/src/main/java/org/apache/activemq/transport/tcp/TcpTransport.java
View File

@ -56,7 +56,6 @@ public class TcpTransport extends TransportThreadSupport implements Transport, S
private boolean trace;
private boolean useLocalHost = true;
private int minmumWireFormatVersion;
private long maxInactivityDuration = 0; //30000;
private InetSocketAddress socketAddress;
@ -206,17 +205,6 @@ public class TcpTransport extends TransportThreadSupport implements Transport, S
this.soTimeout = soTimeout;
}
public long getMaxInactivityDuration() {
return maxInactivityDuration;
}
/**
* Sets the maximum inactivity duration
*/
public void setMaxInactivityDuration(long maxInactivityDuration) {
this.maxInactivityDuration = maxInactivityDuration;
}
public int getConnectionTimeout() {
return connectionTimeout;
}

11
activemq-core/src/main/java/org/apache/activemq/transport/tcp/TcpTransportFactory.java
View File

@ -64,15 +64,13 @@ public class TcpTransportFactory extends TransportFactory {
transport = new TransportLogger(transport);
}
transport = new InactivityMonitor(transport);
// Only need the OpenWireFormat if using openwire
if( format instanceof OpenWireFormat ) {
transport = new WireFormatNegotiator(transport, (OpenWireFormat)format, tcpTransport.getMinmumWireFormatVersion());
}
if( tcpTransport.getMaxInactivityDuration() > 0 ) {
transport = new InactivityMonitor(transport, tcpTransport.getMaxInactivityDuration());
}
transport = new MutexTransport(transport);
transport = new ResponseCorrelator(transport);
return transport;
@ -85,14 +83,13 @@ public class TcpTransportFactory extends TransportFactory {
transport = new TransportLogger(transport);
}
transport = new InactivityMonitor(transport);
// Only need the OpenWireFormat if using openwire
if( format instanceof OpenWireFormat ) {
transport = new WireFormatNegotiator(transport, (OpenWireFormat)format, tcpTransport.getMinmumWireFormatVersion());
}
if( tcpTransport.getMaxInactivityDuration() > 0 ) {
transport = new InactivityMonitor(transport, tcpTransport.getMaxInactivityDuration());
}
return transport;
}

2
activemq-core/src/main/java/org/apache/activemq/transport/tcp/TcpTransportServer.java
View File

@ -48,7 +48,7 @@ public class TcpTransportServer extends TransportServerThreadSupport {
private int backlog = 5000;
private WireFormatFactory wireFormatFactory = new OpenWireFormatFactory();
private TcpTransportFactory transportFactory = new TcpTransportFactory();
private long maxInactivityDuration = 0; //30000;
private long maxInactivityDuration = 30000;
private int minmumWireFormatVersion;
private boolean trace;

12
activemq-core/src/main/java/org/apache/activemq/transport/udp/UdpTransport.java
View File

@ -57,7 +57,6 @@ public class UdpTransport extends TransportThreadSupport implements Transport, S
private ReplayStrategy replayStrategy = new ExceptionIfDroppedReplayStrategy();
private ReplayBuffer replayBuffer;
private int datagramSize = 4 * 1024;
private long maxInactivityDuration = 0; // 30000;
private SocketAddress targetAddress;
private SocketAddress originalTargetAddress;
private DatagramChannel channel;
@ -223,10 +222,6 @@ public class UdpTransport extends TransportThreadSupport implements Transport, S
this.trace = trace;
}
public long getMaxInactivityDuration() {
return maxInactivityDuration;
}
public int getDatagramSize() {
return datagramSize;
}
@ -235,13 +230,6 @@ public class UdpTransport extends TransportThreadSupport implements Transport, S
this.datagramSize = datagramSize;
}
/**
* Sets the maximum inactivity duration
*/
public void setMaxInactivityDuration(long maxInactivityDuration) {
this.maxInactivityDuration = maxInactivityDuration;
}
public boolean isUseLocalHost() {
return useLocalHost;
}

12
activemq-core/src/main/java/org/apache/activemq/transport/udp/UdpTransportFactory.java
View File

@ -81,14 +81,12 @@ public class UdpTransportFactory extends TransportFactory {
transport = new TransportLogger(transport);
}
transport = new InactivityMonitor(transport);
if (format instanceof OpenWireFormat) {
transport = configureClientSideNegotiator(transport, format, udpTransport);
}
if (udpTransport.getMaxInactivityDuration() > 0) {
transport = new InactivityMonitor(transport, udpTransport.getMaxInactivityDuration());
}
return transport;
}
@ -115,14 +113,12 @@ public class UdpTransportFactory extends TransportFactory {
transport = new TransportLogger(transport);
}
transport = new InactivityMonitor(transport);
if (!acceptServer && format instanceof OpenWireFormat) {
transport = configureClientSideNegotiator(transport, format, udpTransport);
}
if (udpTransport.getMaxInactivityDuration() > 0) {
transport = new InactivityMonitor(transport, udpTransport.getMaxInactivityDuration());
}
// deal with fragmentation
if (acceptServer) {

5
activemq-core/src/main/java/org/apache/activemq/transport/udp/UdpTransportServer.java
View File

@ -134,10 +134,7 @@ public class UdpTransportServer extends TransportServerSupport {
}
protected Transport configureTransport(Transport transport) {
if (serverTransport.getMaxInactivityDuration() > 0) {
transport = new InactivityMonitor(transport, serverTransport.getMaxInactivityDuration());
}
transport = new InactivityMonitor(transport);
getAcceptListener().onAccept(transport);
return transport;
}

114
activemq-core/src/test/java/org/apache/activemq/transport/tcp/InactivityMonitorTest.java
View File

@ -1,10 +1,28 @@
/*
* Copyright 2005-2006 The Apache Software Foundation
*
* Licensed 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.activemq.transport.tcp;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import org.apache.activemq.CombinationTestSupport;
import org.apache.activemq.command.Command;
import org.apache.activemq.command.WireFormatInfo;
import org.apache.activemq.openwire.OpenWireFormat;
import org.apache.activemq.transport.Transport;
import org.apache.activemq.transport.TransportAcceptListener;
import org.apache.activemq.transport.TransportFactory;
@ -32,16 +50,17 @@ public class InactivityMonitorTest extends CombinationTestSupport implements Tra
public Runnable serverRunOnCommand;
public Runnable clientRunOnCommand;
public long clientInactivityLimit;
public long serverInactivityLimit;
protected void setUp() throws Exception {
super.setUp();
server = TransportFactory.bind("localhost", new URI("tcp://localhost:61616?trace=true&maxInactivityDuration="+serverInactivityLimit));
server.setAcceptListener(this);
server.start();
clientTransport = TransportFactory.connect(new URI("tcp://localhost:61616?trace=true&maxInactivityDuration="+clientInactivityLimit));
startTransportServer();
}
/**
* @throws Exception
* @throws URISyntaxException
*/
private void startClient() throws Exception, URISyntaxException {
clientTransport = TransportFactory.connect(new URI("tcp://localhost:61616?trace=true&wireFormat.maxInactivityDuration=1000"));
clientTransport.setTransportListener(new TransportListener() {
public void onCommand(Command command) {
clientReceiveCount.incrementAndGet();
@ -62,18 +81,37 @@ public class InactivityMonitorTest extends CombinationTestSupport implements Tra
}});
clientTransport.start();
}
/**
* @throws IOException
* @throws URISyntaxException
* @throws Exception
*/
private void startTransportServer() throws IOException, URISyntaxException, Exception {
server = TransportFactory.bind("localhost", new URI("tcp://localhost:61616?trace=true&wireFormat.maxInactivityDuration=1000"));
server.setAcceptListener(this);
server.start();
}
protected void tearDown() throws Exception {
ignoreClientError.set(true);
ignoreServerError.set(true);
clientTransport.stop();
serverTransport.stop();
server.stop();
try {
if( clientTransport!=null )
clientTransport.stop();
if( serverTransport!=null )
serverTransport.stop();
if( server!=null )
server.stop();
} catch (Throwable e) {
e.printStackTrace();
}
super.tearDown();
}
public void onAccept(Transport transport) {
try {
System.out.println("["+getName()+"] Server Accepted a Connection");
serverTransport = transport;
serverTransport.setTransportListener(new TransportListener() {
public void onCommand(Command command) {
@ -103,12 +141,35 @@ public class InactivityMonitorTest extends CombinationTestSupport implements Tra
error.printStackTrace();
}
public void initCombosForTestClientHang() {
addCombinationValues("clientInactivityLimit", new Object[] { new Long(1000*60)});
addCombinationValues("serverInactivityLimit", new Object[] { new Long(1000)});
}
public void testClientHang() throws Exception {
//
// Manually create a client transport so that it does not send KeepAlive packets.
// this should simulate a client hang.
clientTransport = new TcpTransport(new OpenWireFormat(), new URI("tcp://localhost:61616"));
clientTransport.setTransportListener(new TransportListener() {
public void onCommand(Command command) {
clientReceiveCount.incrementAndGet();
if( clientRunOnCommand !=null ) {
clientRunOnCommand.run();
}
}
public void onException(IOException error) {
if( !ignoreClientError.get() ) {
System.out.println("Client transport error:");
error.printStackTrace();
clientErrorCount.incrementAndGet();
}
}
public void transportInterupted() {
}
public void transportResumed() {
}});
clientTransport.start();
WireFormatInfo info = new WireFormatInfo();
info.seMaxInactivityDuration(1000);
clientTransport.oneway(info);
assertEquals(0, serverErrorCount.get());
assertEquals(0, clientErrorCount.get());
@ -119,42 +180,45 @@ public class InactivityMonitorTest extends CombinationTestSupport implements Tra
assertTrue(serverErrorCount.get()>0);
}
public void initCombosForTestNoClientHang() {
addCombinationValues("clientInactivityLimit", new Object[] { new Long(1000)});
addCombinationValues("serverInactivityLimit", new Object[] { new Long(1000)});
}
public void testNoClientHang() throws Exception {
startClient();
assertEquals(0, serverErrorCount.get());
assertEquals(0, clientErrorCount.get());
Thread.sleep(4000);
if( clientErrorCount.get() > 0 )
assertEquals(0, clientErrorCount.get());
if( serverErrorCount.get() > 0 )
assertEquals(0, serverErrorCount.get());
assertEquals(0, clientErrorCount.get());
assertEquals(0, serverErrorCount.get());
}
/**
* Used to test when a operation blocks. This should
* not cause transport to get disconnected.
* @throws Exception
* @throws URISyntaxException
*/
public void initCombosForTestNoClientHangWithServerBlock() {
public void initCombosForTestNoClientHangWithServerBlock() throws Exception {
startClient();
addCombinationValues("clientInactivityLimit", new Object[] { new Long(1000)});
addCombinationValues("serverInactivityLimit", new Object[] { new Long(1000)});
addCombinationValues("serverRunOnCommand", new Object[] { new Runnable() {
public void run() {
try {
System.out.println("Sleeping");
Thread.sleep(2000);
Thread.sleep(4000);
} catch (InterruptedException e) {
}
}
}});
}
public void testNoClientHangWithServerBlock() throws Exception {
startClient();
assertEquals(0, serverErrorCount.get());
assertEquals(0, clientErrorCount.get());