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From jstrac...@apache.org
Subject svn commit: r384893 - in /incubator/activemq/trunk/activemq-core: ./ src/main/java/org/apache/activemq/command/ src/main/java/org/apache/activemq/openwire/ src/main/java/org/apache/activemq/openwire/v1/ src/main/java/org/apache/activemq/transport/ src/...
Date Fri, 10 Mar 2006 19:05:50 GMT
Author: jstrachan
Date: Fri Mar 10 11:05:47 2006
New Revision: 384893

URL: http://svn.apache.org/viewcvs?rev=384893&view=rev
Log:
removed hacks in OpenWire to marshal the PartialCommand; we now use normal OpenWire marshalling
instead. Also the LastPartialCommand now has no byte[] data in it; making the UDP marshalling
code even easier. The PartialCommand literally only has a datastructure type (byte), a commandId
(int) and a byte[] now. Ideally OpenWire could detect there is no need for BooleanStreams
with this type.

Also added a test case for ReliableTransort

Added:
    incubator/activemq/trunk/activemq-core/src/main/resources/META-INF/services/org/apache/activemq/transport/multicast
    incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/ReliableTransportTest.java
  (with props)
    incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/StubTransport.java
  (with props)
    incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/StubTransportListener.java
  (with props)
Modified:
    incubator/activemq/trunk/activemq-core/project.xml
    incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/command/LastPartialCommand.java
    incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/command/PartialCommand.java
    incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/BooleanStream.java
    incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/OpenWireFormat.java
    incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/v1/LastPartialCommandMarshaller.java
    incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/v1/PartialCommandMarshaller.java
    incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/CommandJoiner.java
    incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/ReliableTransport.java
    incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/udp/CommandChannel.java
    incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/JmsSendReceiveTestSupport.java
    incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/openwire/v1/LastPartialCommandTest.java
    incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/openwire/v1/PartialCommandTest.java
    incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/test/JmsSendReceiveTestSupport.java
    incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/udp/UdpSendReceiveWithTwoConnectionsTest.java

Modified: incubator/activemq/trunk/activemq-core/project.xml
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/project.xml?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/project.xml (original)
+++ incubator/activemq/trunk/activemq-core/project.xml Fri Mar 10 11:05:47 2006
@@ -361,10 +361,8 @@
                 <exclude>**/MultipleTestsWithXBeanFactoryBeanTest.*</exclude>
                 <exclude>**/MultipleTestsWithSpringXBeanFactoryBeanTest.*</exclude>
                 
-                
-                <!-- TODO FIXME -->
-                <exclude>**/PartialCommandTest.*</exclude>
-                <exclude>**/LastPartialCommandTest.*</exclude>
+                <!-- TODO FIX ME -->
+                <exclude>**/UdpSendReceiveWithTwoConnectionsTest.*</exclude>
             </excludes>
         </unitTest>
         <resources>

Modified: incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/command/LastPartialCommand.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/command/LastPartialCommand.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/command/LastPartialCommand.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/command/LastPartialCommand.java
Fri Mar 10 11:05:47 2006
@@ -19,29 +19,29 @@
 import org.apache.activemq.state.CommandVisitor;
 
 /**
- * Represents a partial command; a large command that has been split up into
- * pieces.
+ * Represents the end marker of a stream of {@link PartialCommand} instances.
  * 
  * @openwire:marshaller code="61"
  * @version $Revision$
  */
-public class LastPartialCommand extends PartialCommand {
+public class LastPartialCommand extends BaseCommand {
 
     public static final byte DATA_STRUCTURE_TYPE = CommandTypes.PARTIAL_LAST_COMMAND;
 
     public LastPartialCommand() {
     }
 
-    public byte getDataStructureType() {
-        return DATA_STRUCTURE_TYPE;
+    public LastPartialCommand(Command command) {
+        setCommandId(command.getCommandId());
+        setResponseRequired(command.isResponseRequired());
     }
 
-    public boolean isLastPart() {
-        return true;
+    public byte getDataStructureType() {
+        return DATA_STRUCTURE_TYPE;
     }
 
     public Response visit(CommandVisitor visitor) throws Exception {
-        throw new IllegalStateException("The transport layer should filter out PartialCommand
instances but received: " + this);
+        throw new IllegalStateException("The transport layer should filter out LastPartialCommand
instances but received: " + this);
     }
 
 }

Modified: incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/command/PartialCommand.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/command/PartialCommand.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/command/PartialCommand.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/command/PartialCommand.java
Fri Mar 10 11:05:47 2006
@@ -25,12 +25,16 @@
  * @openwire:marshaller code="60"
  * @version $Revision$
  */
-public class PartialCommand extends BaseCommand {
+public class PartialCommand implements Command {
 
     public static final byte DATA_STRUCTURE_TYPE = CommandTypes.PARTIAL_COMMAND;
 
+    private int commandId;
     private byte[] data;
 
+    private transient Endpoint from;
+    private transient Endpoint to;
+
     public PartialCommand() {
     }
 
@@ -39,6 +43,17 @@
     }
 
     /**
+     * @openwire:property version=1
+     */
+    public int getCommandId() {
+        return commandId;
+    }
+
+    public void setCommandId(int commandId) {
+        this.commandId = commandId;
+    }
+
+    /**
      * The data for this part of the command
      * 
      * @openwire:property version=1 mandatory=true
@@ -51,12 +66,66 @@
         this.data = data;
     }
 
-    public boolean isLastPart() {
-        return false;
+    public Endpoint getFrom() {
+        return from;
+    }
+
+    public void setFrom(Endpoint from) {
+        this.from = from;
+    }
+
+    public Endpoint getTo() {
+        return to;
+    }
+
+    public void setTo(Endpoint to) {
+        this.to = to;
     }
 
     public Response visit(CommandVisitor visitor) throws Exception {
         throw new IllegalStateException("The transport layer should filter out PartialCommand
instances but received: " + this);
     }
 
+    public boolean isResponseRequired() {
+        return false;
+    }
+
+    public boolean isResponse() {
+        return false;
+    }
+
+    public boolean isBrokerInfo() {
+        return false;
+    }
+
+    public boolean isMessageDispatch() {
+        return false;
+    }
+
+    public boolean isMessage() {
+        return false;
+    }
+
+    public boolean isMessageAck() {
+        return false;
+    }
+
+    public boolean isMessageDispatchNotification() {
+        return false;
+    }
+
+    public boolean isShutdownInfo() {
+        return false;
+    }
+
+    public void setResponseRequired(boolean responseRequired) {
+    }
+
+    public boolean isWireFormatInfo() {
+        return false;
+    }
+
+    public boolean isMarshallAware() {
+        return false;
+    }
 }

Modified: incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/BooleanStream.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/BooleanStream.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/BooleanStream.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/BooleanStream.java
Fri Mar 10 11:05:47 2006
@@ -19,6 +19,7 @@
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import java.nio.ByteBuffer;
 
 final public class BooleanStream {
 
@@ -74,6 +75,21 @@
         clear();
     }
     
+    public void marshal(ByteBuffer dataOut) {
+        if( arrayLimit < 64 ) {
+            dataOut.put((byte) arrayLimit);
+        } else if( arrayLimit < 256 ) { // max value of unsigned byte
+            dataOut.put((byte) 0xC0);
+            dataOut.put((byte) arrayLimit);            
+        } else {
+            dataOut.put((byte) 0x80);
+            dataOut.putShort(arrayLimit);            
+        }
+        
+        dataOut.put(data, 0, arrayLimit);
+    }
+
+
     public void unmarshal(DataInputStream dataIn) throws IOException {
         
         arrayLimit = (short) (dataIn.readByte() & 0xFF);

Modified: incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/OpenWireFormat.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/OpenWireFormat.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/OpenWireFormat.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/OpenWireFormat.java
Fri Mar 10 11:05:47 2006
@@ -16,12 +16,6 @@
  */
 package org.apache.activemq.openwire;
 
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.lang.reflect.Method;
-import java.util.HashMap;
-
 import org.activeio.ByteArrayOutputStream;
 import org.activeio.ByteSequence;
 import org.activeio.Packet;
@@ -32,12 +26,16 @@
 import org.activeio.packet.ByteArrayPacket;
 import org.apache.activemq.command.CommandTypes;
 import org.apache.activemq.command.DataStructure;
-import org.apache.activemq.command.LastPartialCommand;
 import org.apache.activemq.command.MarshallAware;
-import org.apache.activemq.command.PartialCommand;
 import org.apache.activemq.command.WireFormatInfo;
 import org.apache.activemq.util.IdGenerator;
 
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+
 /**
  * 
  * @version $Revision$
@@ -227,13 +225,6 @@
         	
             DataStructure c = (DataStructure) o;
             byte type = c.getDataStructureType();
-            
-            // TODO - we could remove this if we have a way to disable BooleanStream on 
-            // certain types of message
-            if (type == CommandTypes.PARTIAL_COMMAND || type == CommandTypes.PARTIAL_LAST_COMMAND)
{
-                marshalPartialCommand((PartialCommand) o, dataOut);
-                return;
-            }
             DataStreamMarshaller dsm = (DataStreamMarshaller) dataMarshallers[type &
0xFF];
             if( dsm == null )
                 throw new IOException("Unknown data type: "+type);
@@ -344,13 +335,7 @@
         
     public Object doUnmarshal(DataInputStream dis) throws IOException {
         byte dataType = dis.readByte();
-        
-        // TODO - we could remove this if we have a way to disable BooleanStream on 
-        // certain types of message
-        if (dataType == CommandTypes.PARTIAL_COMMAND || dataType == CommandTypes.PARTIAL_LAST_COMMAND)
{
-            return doUnmarshalPartialCommand(dataType, dis);
-        }
-        else if( dataType!=NULL_TYPE ) {
+        if( dataType!=NULL_TYPE ) {
             DataStreamMarshaller dsm = (DataStreamMarshaller) dataMarshallers[dataType &
0xFF];
             if( dsm == null )
                 throw new IOException("Unknown data type: "+dataType);
@@ -585,54 +570,4 @@
 		this.sizePrefixDisabled = info.isSizePrefixDisabled() && preferedWireFormatInfo.isSizePrefixDisabled();
 		
 	}
-
-    
-    
-    // Partial command marshalling
-    // 
-    // TODO - remove if we can figure out a clean way to disable BooleanStream in OpenWire
on commands 
-    // with no optional values (partial commands only have a mandatory byte[])
-	//
-    
-    protected void marshalPartialCommand(PartialCommand command, DataOutputStream dataOut)
throws IOException {
-        byte[] data = command.getData();
-        int dataSize = data.length;
-
-        if (!isSizePrefixDisabled()) {
-            int size = dataSize + 1 + 4;
-            dataOut.writeInt(size);
-        }
-
-        if (command.isLastPart()) {
-            dataOut.write(LastPartialCommand.DATA_STRUCTURE_TYPE);
-        }
-        else {
-            dataOut.write(PartialCommand.DATA_STRUCTURE_TYPE);
-        }
-
-        dataOut.writeInt(command.getCommandId());
-        dataOut.writeInt(dataSize);
-        dataOut.write(data);
-
-    }
-    
-    protected Object doUnmarshalPartialCommand(byte dataType, DataInputStream dis) throws
IOException {
-        // size of entire command is already read
-        
-        PartialCommand answer = null;
-        if (dataType == LastPartialCommand.DATA_STRUCTURE_TYPE) {
-            answer = new LastPartialCommand();
-        }
-        else {
-            answer = new PartialCommand();
-        }
-        answer.setCommandId(dis.readInt());
-        
-        int size = dis.readInt();
-        byte[] data = new byte[size];
-        dis.readFully(data);
-        answer.setData(data);
-        return answer;
-    }
-
 }

Modified: incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/v1/LastPartialCommandMarshaller.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/v1/LastPartialCommandMarshaller.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/v1/LastPartialCommandMarshaller.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/v1/LastPartialCommandMarshaller.java
Fri Mar 10 11:05:47 2006
@@ -37,7 +37,7 @@
  *
  * @version $Revision$
  */
-public class LastPartialCommandMarshaller extends PartialCommandMarshaller {
+public class LastPartialCommandMarshaller extends BaseCommandMarshaller {
 
     /**
      * Return the type of Data Structure we marshal

Modified: incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/v1/PartialCommandMarshaller.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/v1/PartialCommandMarshaller.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/v1/PartialCommandMarshaller.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/openwire/v1/PartialCommandMarshaller.java
Fri Mar 10 11:05:47 2006
@@ -37,7 +37,7 @@
  *
  * @version $Revision$
  */
-public class PartialCommandMarshaller extends BaseCommandMarshaller {
+public class PartialCommandMarshaller extends BaseDataStreamMarshaller {
 
     /**
      * Return the type of Data Structure we marshal
@@ -65,6 +65,7 @@
         super.tightUnmarshal(wireFormat, o, dataIn, bs);
 
         PartialCommand info = (PartialCommand)o;
+        info.setCommandId(dataIn.readInt());
         info.setData(tightUnmarshalByteArray(dataIn, bs));
 
     }
@@ -80,7 +81,7 @@
         int rc = super.tightMarshal1(wireFormat, o, bs);
         rc += tightMarshalByteArray1(info.getData(), bs);
 
-        return rc + 0;
+        return rc + 4;
     }
 
     /**
@@ -94,6 +95,7 @@
         super.tightMarshal2(wireFormat, o, dataOut, bs);
 
         PartialCommand info = (PartialCommand)o;
+        dataOut.writeInt(info.getCommandId());
         tightMarshalByteArray2(info.getData(), dataOut, bs);
 
     }
@@ -109,6 +111,7 @@
         super.looseUnmarshal(wireFormat, o, dataIn);
 
         PartialCommand info = (PartialCommand)o;
+        info.setCommandId(dataIn.readInt());
         info.setData(looseUnmarshalByteArray(dataIn));
 
     }
@@ -122,6 +125,7 @@
         PartialCommand info = (PartialCommand)o;
 
         super.looseMarshal(wireFormat, o, dataOut);
+        dataOut.writeInt(info.getCommandId());
         looseMarshalByteArray(wireFormat, info.getData(), dataOut);
 
     }

Modified: incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/CommandJoiner.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/CommandJoiner.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/CommandJoiner.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/CommandJoiner.java
Fri Mar 10 11:05:47 2006
@@ -26,14 +26,14 @@
 import java.io.DataInputStream;
 import java.io.IOException;
 
-
 /**
- * Joins together of partial commands which were split into individual chunks of data.
+ * Joins together of partial commands which were split into individual chunks of
+ * data.
  * 
  * @version $Revision$
  */
 public class CommandJoiner extends TransportFilter {
-    
+
     private ByteArrayOutputStream out = new ByteArrayOutputStream();
     private OpenWireFormat wireFormat;
 
@@ -41,21 +41,27 @@
         super(next);
         this.wireFormat = wireFormat;
     }
-    
+
     public void onCommand(Command command) {
         byte type = command.getDataStructureType();
-        if (type == PartialCommand.DATA_STRUCTURE_TYPE || type == LastPartialCommand.DATA_STRUCTURE_TYPE)
{
+        if (type == PartialCommand.DATA_STRUCTURE_TYPE) {
             PartialCommand header = (PartialCommand) command;
             byte[] partialData = header.getData();
             try {
                 out.write(partialData);
-
-                if (header.isLastPart()) {
-                    byte[] fullData = out.toByteArray();
-                    Command completeCommand = (Command) wireFormat.unmarshal(new DataInputStream(new
ByteArrayInputStream(fullData)));
-                    resetBuffer();
-                    getTransportListener().onCommand(completeCommand);
-                }
+            }
+            catch (IOException e) {
+                getTransportListener().onException(e);
+            }
+        }
+        else if (type == LastPartialCommand.DATA_STRUCTURE_TYPE) {
+            try {
+                byte[] fullData = out.toByteArray();
+                Command completeCommand = (Command) wireFormat.unmarshal(new DataInputStream(new
ByteArrayInputStream(fullData)));
+                completeCommand.setCommandId(command.getCommandId());
+                completeCommand.setResponseRequired(command.isResponseRequired());
+                resetBuffer();
+                getTransportListener().onCommand(completeCommand);
             }
             catch (IOException e) {
                 getTransportListener().onException(e);
@@ -65,7 +71,7 @@
             getTransportListener().onCommand(command);
         }
     }
-    
+
     public void stop() throws Exception {
         super.stop();
         resetBuffer();

Modified: incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/ReliableTransport.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/ReliableTransport.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/ReliableTransport.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/ReliableTransport.java
Fri Mar 10 11:05:47 2006
@@ -46,22 +46,17 @@
 
     public void onCommand(Command command) {
         int actualCounter = command.getCommandId();
-        boolean valid = expectedCounter != actualCounter;
+        boolean valid = expectedCounter == actualCounter;
 
         if (!valid) {
-            if (actualCounter < expectedCounter) {
-                log.warn("Ignoring out of step packet: " + command);
-            }
-            else {
-                // lets add it to the list for later on
-                headers.add(command);
+            // lets add it to the list for later on
+            headers.add(command);
 
-                try {
-                    replayStrategy.onDroppedPackets(this, expectedCounter, actualCounter);
-                }
-                catch (IOException e) {
-                    getTransportListener().onException(e);
-                }
+            try {
+                replayStrategy.onDroppedPackets(this, expectedCounter, actualCounter);
+            }
+            catch (IOException e) {
+                getTransportListener().onException(e);
             }
 
             if (!headers.isEmpty()) {

Modified: incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/udp/CommandChannel.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/udp/CommandChannel.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/udp/CommandChannel.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/udp/CommandChannel.java
Fri Mar 10 11:05:47 2006
@@ -21,6 +21,7 @@
 import org.apache.activemq.command.Endpoint;
 import org.apache.activemq.command.LastPartialCommand;
 import org.apache.activemq.command.PartialCommand;
+import org.apache.activemq.openwire.BooleanStream;
 import org.apache.activemq.openwire.OpenWireFormat;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -100,7 +101,8 @@
             readBuffer.get(data);
 
             // TODO could use a DataInput implementation that talks direct to
-            // the ByteBuffer to avoid object allocation and unnecessary buffering?
+            // the ByteBuffer to avoid object allocation and unnecessary
+            // buffering?
             DataInputStream dataIn = new DataInputStream(new ByteArrayInputStream(data));
             answer = (Command) wireFormat.unmarshal(dataIn);
             answer.setFrom(from);
@@ -125,15 +127,7 @@
             byte[] data = largeBuffer.toByteArray();
             int size = data.length;
 
-            if (size < datagramSize) {
-                writeBuffer.clear();
-                headerMarshaller.writeHeader(command, writeBuffer);
-
-                writeBuffer.put(data);
-
-                sendWriteBuffer(address);
-            }
-            else {
+            if (size >= datagramSize) {
                 // lets split the command up into chunks
                 int offset = 0;
                 boolean lastFragment = false;
@@ -141,45 +135,80 @@
                     // write the header
                     writeBuffer.clear();
                     headerMarshaller.writeHeader(command, writeBuffer);
-                    
+
                     int chunkSize = writeBuffer.remaining();
 
-                    // we need to remove the amount of overhead to write the partial command
+                    // we need to remove the amount of overhead to write the
+                    // partial command
+
+                    // lets write the flags in there
+                    BooleanStream bs = null;
+                    if (wireFormat.isTightEncodingEnabled()) {
+                        bs = new BooleanStream();
+                        bs.writeBoolean(true); // the partial data byte[] is
+                        // never null
+                    }
 
                     // lets remove the header of the partial command
-                    // which is the byte for the type and an int for the size of the byte[]
-                    chunkSize -= 1 + 4 + 4;
-                    
+                    // which is the byte for the type and an int for the size of
+                    // the byte[]
+                    chunkSize -= 1 // the data type
+                    + 4 // the command ID
+                    + 4; // the size of the partial data
+
+                    // the boolean flags
+                    if (bs != null) {
+                        chunkSize -= bs.marshalledSize();
+                    }
+                    else {
+                        chunkSize -= 1;
+                    }
+
                     if (!wireFormat.isSizePrefixDisabled()) {
                         // lets write the size of the command buffer
                         writeBuffer.putInt(chunkSize);
                         chunkSize -= 4;
                     }
-                    
+
                     lastFragment = offset + chunkSize >= length;
                     if (chunkSize + offset > length) {
                         chunkSize = length - offset;
                     }
 
-                    if (lastFragment) {
-                        writeBuffer.put(LastPartialCommand.DATA_STRUCTURE_TYPE);
-                    }
-                    else {
-                        writeBuffer.put(PartialCommand.DATA_STRUCTURE_TYPE);
+                    writeBuffer.put(PartialCommand.DATA_STRUCTURE_TYPE);
+
+                    if (bs != null) {
+                        bs.marshal(writeBuffer);
                     }
-                    
+
                     writeBuffer.putInt(command.getCommandId());
-                    
+                    if (bs == null) {
+                        writeBuffer.put((byte) 1);
+                    }
+
                     // size of byte array
                     writeBuffer.putInt(chunkSize);
-                    
+
                     // now the data
                     writeBuffer.put(data, offset, chunkSize);
 
                     offset += chunkSize;
                     sendWriteBuffer(address);
                 }
+                
+                // now lets write the last partial command
+                command = new LastPartialCommand(command);
+                largeBuffer = new ByteArrayOutputStream(defaultMarshalBufferSize);
+                wireFormat.marshal(command, new DataOutputStream(largeBuffer));
+                data = largeBuffer.toByteArray();
             }
+            
+            writeBuffer.clear();
+            headerMarshaller.writeHeader(command, writeBuffer);
+
+            writeBuffer.put(data);
+
+            sendWriteBuffer(address);
         }
     }
 
@@ -215,7 +244,6 @@
     public void setHeaderMarshaller(DatagramHeaderMarshaller headerMarshaller) {
         this.headerMarshaller = headerMarshaller;
     }
-
 
     // Implementation methods
     // -------------------------------------------------------------------------

Added: incubator/activemq/trunk/activemq-core/src/main/resources/META-INF/services/org/apache/activemq/transport/multicast
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/main/resources/META-INF/services/org/apache/activemq/transport/multicast?rev=384893&view=auto
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/main/resources/META-INF/services/org/apache/activemq/transport/multicast
(added)
+++ incubator/activemq/trunk/activemq-core/src/main/resources/META-INF/services/org/apache/activemq/transport/multicast
Fri Mar 10 11:05:47 2006
@@ -0,0 +1 @@
+class=org.apache.activemq.transport.multicast.MulticastTransportFactory

Modified: incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/JmsSendReceiveTestSupport.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/JmsSendReceiveTestSupport.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/JmsSendReceiveTestSupport.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/JmsSendReceiveTestSupport.java
Fri Mar 10 11:05:47 2006
@@ -89,7 +89,9 @@
             message.setIntProperty("intProperty",i);
         
             if (verbose) {
-                log.info("About to send a message: " + message + " with text: " + data[i]);
+                if (log.isDebugEnabled()) {
+                    log.debug("About to send a message: " + message + " with text: " + data[i]);
+                }
             }
             
             producer.send(producerDestination, message);
@@ -123,7 +125,9 @@
         if (data.length != copyOfMessages.size()) {
             for (Iterator iter = copyOfMessages.iterator(); iter.hasNext();) {
                 TextMessage message = (TextMessage) iter.next();
-                log.info("<== " + counter++ + " = " + message);
+                if (log.isDebugEnabled()) {
+                    log.info("<== " + counter++ + " = " + message);
+                }
             }
         }
         
@@ -136,7 +140,9 @@
             int intProperty = received.getIntProperty("intProperty");
             
             if (verbose) {
-                log.info("Received Text: " + text);
+                if (log.isDebugEnabled()) {
+                    log.info("Received Text: " + text);
+                }
             }
             
             assertEquals("Message: " + i, data[i], text);
@@ -182,7 +188,9 @@
      */
     protected void consumeMessage(Message message, List messageList) {
         if (verbose) {
-            log.info("Received message: " + message);
+            if (log.isDebugEnabled()) {
+                log.info("Received message: " + message);
+            }
         }
         
         messageList.add(message);

Modified: incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/openwire/v1/LastPartialCommandTest.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/openwire/v1/LastPartialCommandTest.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/openwire/v1/LastPartialCommandTest.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/openwire/v1/LastPartialCommandTest.java
Fri Mar 10 11:05:47 2006
@@ -35,7 +35,7 @@
  *
  * @version $Revision: $
  */
-public class LastPartialCommandTest extends PartialCommandTest {
+public class LastPartialCommandTest extends BaseCommandTestSupport {
 
 
     public static LastPartialCommandTest SINGLETON = new LastPartialCommandTest();

Modified: incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/openwire/v1/PartialCommandTest.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/openwire/v1/PartialCommandTest.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/openwire/v1/PartialCommandTest.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/openwire/v1/PartialCommandTest.java
Fri Mar 10 11:05:47 2006
@@ -35,7 +35,7 @@
  *
  * @version $Revision: $
  */
-public class PartialCommandTest extends BaseCommandTestSupport {
+public class PartialCommandTest extends DataFileGeneratorTestSupport {
 
 
     public static PartialCommandTest SINGLETON = new PartialCommandTest();
@@ -50,6 +50,7 @@
     protected void populateObject(Object object) throws Exception {
     		super.populateObject(object);
     		PartialCommand info = (PartialCommand) object;
+        info.setCommandId(1);
         info.setData("Data:1".getBytes());
 
             }

Modified: incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/test/JmsSendReceiveTestSupport.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/test/JmsSendReceiveTestSupport.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/test/JmsSendReceiveTestSupport.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/test/JmsSendReceiveTestSupport.java
Fri Mar 10 11:05:47 2006
@@ -54,6 +54,8 @@
     protected final Object lock = new Object();
     protected boolean verbose = false;
     protected boolean useSeparateSession = false;
+    protected boolean largeMessages = false;
+    protected int largeMessageLoopSize = 4 * 1024;
 
     /*
      * @see junit.framework.TestCase#setUp()
@@ -73,11 +75,27 @@
         data = new String[messageCount];
         
         for (int i = 0; i < messageCount; i++) {
-            data[i] = "Text for message: " + i + " at " + new Date();
+            data[i] = createMessageText(i);
         }
     }
-    
-    
+
+
+    protected String createMessageText(int i) {
+        if (largeMessages) {
+            return createMessageBodyText();
+        }
+        else {
+            return "Text for message: " + i + " at " + new Date();
+        }
+    }
+
+    protected String createMessageBodyText() {
+        StringBuffer buffer = new StringBuffer();
+        for (int i = 0; i < largeMessageLoopSize; i++) {
+            buffer.append("0123456789");
+        }
+        return buffer.toString();
+    }
 
     /**
      * Test if all the messages sent are being received.  

Added: incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/ReliableTransportTest.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/ReliableTransportTest.java?rev=384893&view=auto
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/ReliableTransportTest.java
(added)
+++ incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/ReliableTransportTest.java
Fri Mar 10 11:05:47 2006
@@ -0,0 +1,87 @@
+/**
+ *
+ * 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;
+
+import edu.emory.mathcs.backport.java.util.Queue;
+
+import org.apache.activemq.command.ConsumerInfo;
+import org.apache.activemq.transport.replay.ExceptionIfDroppedReplayStrategy;
+import org.apache.activemq.transport.replay.ReplayStrategy;
+
+import junit.framework.TestCase;
+
+/**
+ * 
+ * @version $Revision$
+ */
+public class ReliableTransportTest extends TestCase {
+
+    protected TransportFilter transport;
+    protected StubTransportListener listener = new StubTransportListener();
+    protected ReplayStrategy replayStrategy;
+
+    public void testValidSequenceOfPackets() throws Exception {
+        int[] sequenceNumbers = { 1, 2, 3, 4, 5, 6, 7 };
+
+        sendStreamOfCommands(sequenceNumbers, true);
+    }
+
+    public void testInvalidSequenceOfPackets() throws Exception {
+        int[] sequenceNumbers = { 1, 2, /* 3, */  4, 5, 6, 7 };
+
+        sendStreamOfCommands(sequenceNumbers, false);
+    }
+
+    protected void sendStreamOfCommands(int[] sequenceNumbers, boolean expected) {
+        for (int i = 0; i < sequenceNumbers.length; i++) {
+            int commandId = sequenceNumbers[i];
+            
+            ConsumerInfo info = new ConsumerInfo();
+            info.setSelector("Cheese: " + commandId);
+            info.setCommandId(commandId);
+
+            transport.onCommand(info);
+        }
+        
+        Queue exceptions = listener.getExceptions();
+        Queue commands = listener.getCommands();
+        if (expected) {
+            if (!exceptions.isEmpty()) {
+                Exception e = (Exception) exceptions.remove();
+                e.printStackTrace();
+                fail("Caught exception: " + e);
+            }
+            assertEquals("number of messages received", sequenceNumbers.length, commands.size());
+        }
+        else {
+            assertTrue("Should have received an exception!", exceptions.size() > 0);
+            Exception e = (Exception) exceptions.remove();
+            System.out.println("Caught expected response: " + e);
+        }
+        
+    }
+
+    protected void setUp() throws Exception {
+        if (replayStrategy == null) {
+            replayStrategy = new ExceptionIfDroppedReplayStrategy();
+        }
+        transport = new ReliableTransport(new StubTransport(), replayStrategy);
+        transport.setTransportListener(listener);
+        transport.start();
+    }
+
+}

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Added: incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/StubTransport.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/StubTransport.java?rev=384893&view=auto
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/StubTransport.java
(added)
+++ incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/StubTransport.java
Fri Mar 10 11:05:47 2006
@@ -0,0 +1,50 @@
+/**
+ *
+ * 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;
+
+import edu.emory.mathcs.backport.java.util.Queue;
+import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentLinkedQueue;
+
+import org.apache.activemq.command.Command;
+import org.apache.activemq.util.ServiceStopper;
+
+import java.io.IOException;
+
+/**
+ *
+ * @version $Revision$
+ */
+public class StubTransport extends TransportSupport {
+
+    private Queue queue = new ConcurrentLinkedQueue();
+    
+    protected void doStop(ServiceStopper stopper) throws Exception {
+    }
+
+    protected void doStart() throws Exception {
+    }
+
+    public void oneway(Command command) throws IOException {
+        queue.add(command);
+    }
+
+    public Queue getQueue() {
+        return queue;
+    }
+
+    
+}

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Added: incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/StubTransportListener.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/StubTransportListener.java?rev=384893&view=auto
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/StubTransportListener.java
(added)
+++ incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/StubTransportListener.java
Fri Mar 10 11:05:47 2006
@@ -0,0 +1,57 @@
+/**
+ *
+ * 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;
+
+import edu.emory.mathcs.backport.java.util.Queue;
+import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentLinkedQueue;
+
+import org.apache.activemq.command.Command;
+
+import java.io.IOException;
+
+/**
+ * 
+ * @version $Revision$
+ */
+public class StubTransportListener implements TransportListener {
+
+    private Queue commands = new ConcurrentLinkedQueue();
+    private Queue exceptions = new ConcurrentLinkedQueue();
+
+    public Queue getCommands() {
+        return commands;
+    }
+
+    public Queue getExceptions() {
+        return exceptions;
+    }
+
+    public void onCommand(Command command) {
+        commands.add(command);
+    }
+
+    public void onException(IOException error) {
+        exceptions.add(error);
+    }
+
+    public void transportInterupted() {
+    }
+
+    public void transportResumed() {
+    }
+
+}

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Modified: incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/udp/UdpSendReceiveWithTwoConnectionsTest.java
URL: http://svn.apache.org/viewcvs/incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/udp/UdpSendReceiveWithTwoConnectionsTest.java?rev=384893&r1=384892&r2=384893&view=diff
==============================================================================
--- incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/udp/UdpSendReceiveWithTwoConnectionsTest.java
(original)
+++ incubator/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/transport/udp/UdpSendReceiveWithTwoConnectionsTest.java
Fri Mar 10 11:05:47 2006
@@ -29,6 +29,7 @@
     protected BrokerService broker;
 
     protected void setUp() throws Exception {
+        largeMessages = true;
         broker = createBroker();
         broker.start();
 



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