Added a new windowSize field to the ProducerInfo command and added a new ProducerAck command. These will be needed to implement better producer flow control

where threads do not block on the broker side.



git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@515654 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hiram R. Chirino 2007-03-07 17:23:07 +00:00
parent b3bbb9c2ea
commit ec14f6569d
11 changed files with 121 additions and 3 deletions

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@ -51,6 +51,7 @@ import org.apache.activemq.command.MessageAck;
import org.apache.activemq.command.MessageDispatch;
import org.apache.activemq.command.MessageDispatchNotification;
import org.apache.activemq.command.MessagePull;
import org.apache.activemq.command.ProducerAck;
import org.apache.activemq.command.ProducerId;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.RemoveSubscriptionInfo;
@ -685,6 +686,12 @@ public class TransportConnection implements Service,Connection,Task,CommandVisit
return null;
}
public Response processProducerAck(ProducerAck ack) throws Exception {
// A broker should not get ProducerAck messages.
return null;
}
public Connector getConnector(){
return connector;
}
@ -1151,4 +1158,5 @@ public class TransportConnection implements Service,Connection,Task,CommandVisit
}
}
}
}

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@ -57,6 +57,7 @@ public interface CommandTypes {
// and the server.
//
///////////////////////////////////////////////////
byte PRODUCER_ACK = 19;
byte MESSAGE_PULL = 20;
byte MESSAGE_DISPATCH = 21;
byte MESSAGE_ACK = 22;

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@ -0,0 +1,82 @@
/**
*
* 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.activemq.command;
import org.apache.activemq.state.CommandVisitor;
/**
* A ProducerAck command is sent by a broker to a producer to let it know it has received and processed
* messages that it has produced. The producer will be flow controlled if it does not receive
* ProducerAck commands back from the broker.
*
* @openwire:marshaller code="19" version="3"
* @version $Revision: 1.11 $
*/
public class ProducerAck extends BaseCommand {
public static final byte DATA_STRUCTURE_TYPE=CommandTypes.PRODUCER_ACK;
protected ProducerId producerId;
protected int size;
public ProducerAck() {
}
public void copy(ProducerAck copy) {
super.copy(copy);
copy.producerId = producerId;
copy.size = size;
}
public byte getDataStructureType() {
return DATA_STRUCTURE_TYPE;
}
public Response visit(CommandVisitor visitor) throws Exception {
return visitor.processProducerAck( this );
}
/**
* The producer id that this ack message is destined for.
*
* @openwire:property version=3
*/
public ProducerId getProducerId() {
return producerId;
}
public void setProducerId(ProducerId producerId) {
this.producerId = producerId;
}
/**
* The number of bytes that are being acked.
*
* @openwire:property version=3
*/
public int getSize() {
return size;
}
public void setSize(int size) {
this.size = size;
}
}

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@ -32,6 +32,7 @@ public class ProducerInfo extends BaseCommand {
protected ActiveMQDestination destination;
protected BrokerId[] brokerPath;
protected boolean dispatchAsync;
protected int windowSize;
public ProducerInfo() {
}
@ -117,4 +118,19 @@ public class ProducerInfo extends BaseCommand {
this.dispatchAsync = dispatchAsync;
}
/**
* Used to configure the producer window size. A producer will
* send up to the configured window size worth of payload data to
* the broker before waiting for an Ack that allows him to send more.
*
* @openwire:property version=3
*/
public int getWindowSize() {
return windowSize;
}
public void setWindowSize(int windowSize) {
this.windowSize = windowSize;
}
}

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@ -82,6 +82,7 @@ public class MarshallerFactory {
add(new MessagePullMarshaller());
add(new NetworkBridgeFilterMarshaller());
add(new PartialCommandMarshaller());
add(new ProducerAckMarshaller());
add(new ProducerIdMarshaller());
add(new ProducerInfoMarshaller());
add(new RemoveInfoMarshaller());

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@ -0,0 +1 @@
/** * * 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.activemq.openwire.v3; import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import org.apache.activemq.openwire.*; import org.apache.activemq.command.*; /** * Marshalling code for Open Wire Format for ProducerAckMarshaller * * * NOTE!: This file is auto generated - do not modify! * if you need to make a change, please see the modify the groovy scripts in the * under src/gram/script and then use maven openwire:generate to regenerate * this file. * * @version $Revision$ */ public class ProducerAckMarshaller extends BaseCommandMarshaller { /** * Return the type of Data Structure we marshal * @return short representation of the type data structure */ public byte getDataStructureType() { return ProducerAck.DATA_STRUCTURE_TYPE; } /** * @return a new object instance */ public DataStructure createObject() { return new ProducerAck(); } /** * Un-marshal an object instance from the data input stream * * @param o the object to un-marshal * @param dataIn the data input stream to build the object from * @throws IOException */ public void tightUnmarshal(OpenWireFormat wireFormat, Object o, DataInput dataIn, BooleanStream bs) throws IOException { super.tightUnmarshal(wireFormat, o, dataIn, bs); ProducerAck info = (ProducerAck)o; info.setProducerId((org.apache.activemq.command.ProducerId) tightUnmarsalNestedObject(wireFormat, dataIn, bs)); info.setSize(dataIn.readInt()); } /** * Write the booleans that this object uses to a BooleanStream */ public int tightMarshal1(OpenWireFormat wireFormat, Object o, BooleanStream bs) throws IOException { ProducerAck info = (ProducerAck)o; int rc = super.tightMarshal1(wireFormat, o, bs); rc += tightMarshalNestedObject1(wireFormat, (DataStructure)info.getProducerId(), bs); return rc + 4; } /** * Write a object instance to data output stream * * @param o the instance to be marshaled * @param dataOut the output stream * @throws IOException thrown if an error occurs */ public void tightMarshal2(OpenWireFormat wireFormat, Object o, DataOutput dataOut, BooleanStream bs) throws IOException { super.tightMarshal2(wireFormat, o, dataOut, bs); ProducerAck info = (ProducerAck)o; tightMarshalNestedObject2(wireFormat, (DataStructure)info.getProducerId(), dataOut, bs); dataOut.writeInt(info.getSize()); } /** * Un-marshal an object instance from the data input stream * * @param o the object to un-marshal * @param dataIn the data input stream to build the object from * @throws IOException */ public void looseUnmarshal(OpenWireFormat wireFormat, Object o, DataInput dataIn) throws IOException { super.looseUnmarshal(wireFormat, o, dataIn); ProducerAck info = (ProducerAck)o; info.setProducerId((org.apache.activemq.command.ProducerId) looseUnmarsalNestedObject(wireFormat, dataIn)); info.setSize(dataIn.readInt()); } /** * Write the booleans that this object uses to a BooleanStream */ public void looseMarshal(OpenWireFormat wireFormat, Object o, DataOutput dataOut) throws IOException { ProducerAck info = (ProducerAck)o; super.looseMarshal(wireFormat, o, dataOut); looseMarshalNestedObject(wireFormat, (DataStructure)info.getProducerId(), dataOut); dataOut.writeInt(info.getSize()); } }

File diff suppressed because one or more lines are too long

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@ -29,6 +29,7 @@ import org.apache.activemq.command.Message;
import org.apache.activemq.command.MessageAck;
import org.apache.activemq.command.MessageDispatchNotification;
import org.apache.activemq.command.MessagePull;
import org.apache.activemq.command.ProducerAck;
import org.apache.activemq.command.ProducerId;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.RemoveSubscriptionInfo;
@ -75,6 +76,7 @@ public interface CommandVisitor {
Response processForgetTransaction(TransactionInfo info) throws Exception;
Response processEndTransaction(TransactionInfo info) throws Exception;
Response processMessageDispatchNotification(MessageDispatchNotification notification) throws Exception;
Response processProducerAck(ProducerAck ack) throws Exception;
}

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@ -33,6 +33,7 @@ import org.apache.activemq.command.Message;
import org.apache.activemq.command.MessageAck;
import org.apache.activemq.command.MessageDispatchNotification;
import org.apache.activemq.command.MessagePull;
import org.apache.activemq.command.ProducerAck;
import org.apache.activemq.command.ProducerId;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.RemoveSubscriptionInfo;
@ -480,6 +481,10 @@ public class ConnectionStateTracker implements CommandVisitor {
return null;
}
public Response processProducerAck(ProducerAck ack) throws Exception {
return null;
}
public boolean isRestoreConsumers() {
return restoreConsumers;
}
@ -520,4 +525,5 @@ public class ConnectionStateTracker implements CommandVisitor {
this.restoreTransaction = restoreTransaction;
}
}

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@ -0,0 +1 @@
/** * * 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.activemq.openwire.v3; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.IOException; import org.apache.activemq.openwire.*; import org.apache.activemq.command.*; /** * Test case for the OpenWire marshalling for ProducerAck * * * NOTE!: This file is auto generated - do not modify! * if you need to make a change, please see the modify the groovy scripts in the * under src/gram/script and then use maven openwire:generate to regenerate * this file. * * @version $Revision: $ */ public class ProducerAckTest extends BaseCommandTestSupport { public static ProducerAckTest SINGLETON = new ProducerAckTest(); public Object createObject() throws Exception { ProducerAck info = new ProducerAck(); populateObject(info); return info; } protected void populateObject(Object object) throws Exception { super.populateObject(object); ProducerAck info = (ProducerAck) object; info.setProducerId(createProducerId("ProducerId:1")); info.setSize(1); } }

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@ -1 +1 @@
/** * * 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.activemq.openwire.v3; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.IOException; import org.apache.activemq.openwire.*; import org.apache.activemq.command.*; /** * Test case for the OpenWire marshalling for ProducerInfo * * * NOTE!: This file is auto generated - do not modify! * if you need to make a change, please see the modify the groovy scripts in the * under src/gram/script and then use maven openwire:generate to regenerate * this file. * * @version $Revision: $ */ public class ProducerInfoTest extends BaseCommandTestSupport { public static ProducerInfoTest SINGLETON = new ProducerInfoTest(); public Object createObject() throws Exception { ProducerInfo info = new ProducerInfo(); populateObject(info); return info; } protected void populateObject(Object object) throws Exception { super.populateObject(object); ProducerInfo info = (ProducerInfo) object; info.setProducerId(createProducerId("ProducerId:1")); info.setDestination(createActiveMQDestination("Destination:2")); { BrokerId value[] = new BrokerId[2]; for( int i=0; i < 2; i++ ) { value[i] = createBrokerId("BrokerPath:3"); } info.setBrokerPath(value); } info.setDispatchAsync(true); } }
/** * * 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.activemq.openwire.v3; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.IOException; import org.apache.activemq.openwire.*; import org.apache.activemq.command.*; /** * Test case for the OpenWire marshalling for ProducerInfo * * * NOTE!: This file is auto generated - do not modify! * if you need to make a change, please see the modify the groovy scripts in the * under src/gram/script and then use maven openwire:generate to regenerate * this file. * * @version $Revision: $ */ public class ProducerInfoTest extends BaseCommandTestSupport { public static ProducerInfoTest SINGLETON = new ProducerInfoTest(); public Object createObject() throws Exception { ProducerInfo info = new ProducerInfo(); populateObject(info); return info; } protected void populateObject(Object object) throws Exception { super.populateObject(object); ProducerInfo info = (ProducerInfo) object; info.setProducerId(createProducerId("ProducerId:1")); info.setDestination(createActiveMQDestination("Destination:2")); { BrokerId value[] = new BrokerId[2]; for( int i=0; i < 2; i++ ) { value[i] = createBrokerId("BrokerPath:3"); } info.setBrokerPath(value); } info.setDispatchAsync(true); info.setWindowSize(1); } }