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https://issues.apache.org/jira/browse/AMQ-5379 - amqp prefetch size

This commit is contained in:
Dejan Bosanac 2014-10-02 11:32:31 +02:00
parent fc3d90e8b7
commit 838bbebeeb
4 changed files with 33 additions and 4 deletions
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9
activemq-amqp/src/main/java/org/apache/activemq/transport/amqp/AMQPProtocolDiscriminator.java
View File

@ -27,7 +27,10 @@ import org.apache.activemq.command.Command;
*/
public class AMQPProtocolDiscriminator implements IAmqpProtocolConverter {
private static final int DEFAULT_PREFETCH = 100;
final private AmqpTransport transport;
private int prefetch = DEFAULT_PREFETCH;
interface Discriminator {
boolean matches(AmqpHeader header);
@ -81,6 +84,7 @@ public class AMQPProtocolDiscriminator implements IAmqpProtocolConverter {
match = DISCRIMINATORS.get(0);
}
IAmqpProtocolConverter next = match.create(transport);
next.setPrefetch(prefetch);
transport.setProtocolConverter(next);
for (Command send : pendingCommands) {
next.onActiveMQCommand(send);
@ -104,4 +108,9 @@ public class AMQPProtocolDiscriminator implements IAmqpProtocolConverter {
@Override
public void updateTracer() {
}
@Override
public void setPrefetch(int prefetch) {
this.prefetch = prefetch;
}
}

22
activemq-amqp/src/main/java/org/apache/activemq/transport/amqp/AmqpProtocolConverter.java
View File

@ -117,7 +117,7 @@ class AmqpProtocolConverter implements IAmqpProtocolConverter {
private static final Symbol NO_LOCAL = Symbol.valueOf("no-local");
private static final Symbol DURABLE_SUBSCRIPTION_ENDED = Symbol.getSymbol("DURABLE_SUBSCRIPTION_ENDED");
protected int prefetch = 100;
protected int prefetch;
protected Transport protonTransport = Proton.transport();
protected Connection protonConnection = Proton.connection();
protected Collector eventCollector = new CollectorImpl();
@ -780,11 +780,16 @@ class AmqpProtocolConverter implements IAmqpProtocolConverter {
void onReceiverOpen(final Receiver receiver, AmqpSessionContext sessionContext) {
// Client is producing to this receiver object
org.apache.qpid.proton.amqp.transport.Target remoteTarget = receiver.getRemoteTarget();
int flow = prefetch;
// use client's preference if set
if (receiver.getRemoteCredit() != 0) {
flow = receiver.getRemoteCredit();
}
try {
if (remoteTarget instanceof Coordinator) {
pumpProtonToSocket();
receiver.setContext(coordinatorContext);
receiver.flow(prefetch);
receiver.flow(flow);
receiver.open();
pumpProtonToSocket();
} else {
@ -804,7 +809,7 @@ class AmqpProtocolConverter implements IAmqpProtocolConverter {
ProducerContext producerContext = new ProducerContext(producerId, dest);
receiver.setContext(producerContext);
receiver.flow(prefetch);
receiver.flow(flow);
ProducerInfo producerInfo = new ProducerInfo(producerId);
producerInfo.setDestination(dest);
sendToActiveMQ(producerInfo, new ResponseHandler() {
@ -1258,7 +1263,12 @@ class AmqpProtocolConverter implements IAmqpProtocolConverter {
consumerInfo.setSelector(selector);
consumerInfo.setNoRangeAcks(true);
consumerInfo.setDestination(dest);
consumerInfo.setPrefetchSize(100);
// use client's preference if set
if (sender.getRemoteCredit() != 0) {
consumerInfo.setPrefetchSize(sender.getRemoteCredit());
} else {
consumerInfo.setPrefetchSize(prefetch);
}
consumerInfo.setDispatchAsync(true);
if (source.getDistributionMode() == COPY && dest.isQueue()) {
consumerInfo.setBrowser(true);
@ -1372,4 +1382,8 @@ class AmqpProtocolConverter implements IAmqpProtocolConverter {
condition.setDescription(description);
return condition;
}
public void setPrefetch(int prefetch) {
this.prefetch = prefetch;
}
}

4
activemq-amqp/src/main/java/org/apache/activemq/transport/amqp/AmqpTransportFilter.java
View File

@ -176,4 +176,8 @@ public class AmqpTransportFilter extends TransportFilter implements AmqpTranspor
public void setProtocolConverter(IAmqpProtocolConverter protocolConverter) {
this.protocolConverter = protocolConverter;
}
public void setPrefetch(int prefetch) {
protocolConverter.setPrefetch(prefetch);
}
}

2
activemq-amqp/src/main/java/org/apache/activemq/transport/amqp/IAmqpProtocolConverter.java
View File

@ -31,4 +31,6 @@ public interface IAmqpProtocolConverter {
void onActiveMQCommand(Command command) throws Exception;
void updateTracer();
void setPrefetch(int prefetch);
}