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send shutdown to transports asynchronously - as they may be blocked 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@637879 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Davies 2008-03-17 13:30:38 +00:00
parent 372f69aba9
commit 5e03394423
1 changed files with 34 additions and 6 deletions
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36
activemq-core/src/main/java/org/apache/activemq/network/DemandForwardingBridgeSupport.java
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@ -21,6 +21,10 @@ import java.security.GeneralSecurityException;
import java.util.Properties; import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch; import java.util.concurrent.CountDownLatch;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean; import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong; import java.util.concurrent.atomic.AtomicLong;
@ -75,7 +79,7 @@ import org.apache.commons.logging.LogFactory;
public abstract class DemandForwardingBridgeSupport implements NetworkBridge { public abstract class DemandForwardingBridgeSupport implements NetworkBridge {
private static final Log LOG = LogFactory.getLog(DemandForwardingBridge.class); private static final Log LOG = LogFactory.getLog(DemandForwardingBridge.class);
private static final ThreadPoolExecutor STOP_TASKS;
protected final Transport localBroker; protected final Transport localBroker;
protected final Transport remoteBroker; protected final Transport remoteBroker;
protected final IdGenerator idGenerator = new IdGenerator(); protected final IdGenerator idGenerator = new IdGenerator();
@ -114,6 +118,7 @@ public abstract class DemandForwardingBridgeSupport implements NetworkBridge {
private BrokerInfo localBrokerInfo; private BrokerInfo localBrokerInfo;
private BrokerInfo remoteBrokerInfo; private BrokerInfo remoteBrokerInfo;
private AtomicBoolean started = new AtomicBoolean(); private AtomicBoolean started = new AtomicBoolean();
public DemandForwardingBridgeSupport(NetworkBridgeConfiguration configuration, Transport localBroker, Transport remoteBroker) { public DemandForwardingBridgeSupport(NetworkBridgeConfiguration configuration, Transport localBroker, Transport remoteBroker) {
@ -331,10 +336,23 @@ public abstract class DemandForwardingBridgeSupport implements NetworkBridge {
try { try {
disposed = true; disposed = true;
remoteBridgeStarted.set(false); remoteBridgeStarted.set(false);
final CountDownLatch sendShutdown = new CountDownLatch(1);
STOP_TASKS.execute(new Runnable() {
public void run() {
try {
localBroker.oneway(new ShutdownInfo()); localBroker.oneway(new ShutdownInfo());
remoteBroker.oneway(new ShutdownInfo()); remoteBroker.oneway(new ShutdownInfo());
} catch (IOException e) { } catch (Throwable e) {
LOG.debug("Caught exception stopping", e); LOG.debug("Caught exception sending shutdown", e);
}finally {
sendShutdown.countDown();
}
}
});
if( !sendShutdown.await(100, TimeUnit.MILLISECONDS) ) {
LOG.debug("Network Could not shutdown in a timely manner");
}
} finally { } finally {
ServiceStopper ss = new ServiceStopper(); ServiceStopper ss = new ServiceStopper();
ss.stop(localBroker); ss.stop(localBroker);
@ -636,7 +654,7 @@ public abstract class DemandForwardingBridgeSupport implements NetworkBridge {
} }
} }
} catch (Throwable e) { } catch (Throwable e) {
e.printStackTrace(); LOG.warn("Caught an exception processing local command",e);
serviceLocalException(e); serviceLocalException(e);
} }
} }
@ -951,4 +969,14 @@ public abstract class DemandForwardingBridgeSupport implements NetworkBridge {
return configuration.isDuplex() || createdByDuplex; return configuration.isDuplex() || createdByDuplex;
} }
static {
STOP_TASKS = new ThreadPoolExecutor(0, Integer.MAX_VALUE, 10, TimeUnit.SECONDS, new SynchronousQueue<Runnable>(), new ThreadFactory() {
public Thread newThread(Runnable runnable) {
Thread thread = new Thread(runnable, "NetworkBridge: "+runnable);
thread.setDaemon(true);
return thread;
}
});
}
} }