bug fixes to OF vendor extensions

src/main/java/org/openflow/vendor/openflow/OFQueueDeleteVendorData.java

@@ -29,7 +29,7 @@ public class OFQueueDeleteVendorData extends OFQueueVendorData {
     protected static Instantiable<OFVendorData> instantiable =
             new Instantiable<OFVendorData>() {
                 public OFVendorData instantiate() {
-                    return new OFQueueModifyVendorData();
+                    return new OFQueueDeleteVendorData();
                 }
             };
 
@@ -45,4 +45,8 @@ public class OFQueueDeleteVendorData extends OFQueueVendorData {
      * The data type value for a queue delete request
      */
     public static final int OFP_EXT_QUEUE_DELETE = 1;
+
+    public OFQueueDeleteVendorData() {
+        super(OFP_EXT_QUEUE_DELETE);
+    }
 }

src/main/java/org/openflow/vendor/openflow/OFQueueModifyVendorData.java

@@ -45,4 +45,8 @@ public class OFQueueModifyVendorData extends OFQueueVendorData {
      * The data type value for a queue modify request
      */
     public static final int OFP_EXT_QUEUE_MODIFY = 0;
+
+    public OFQueueModifyVendorData() {
+        super(OFP_EXT_QUEUE_MODIFY);
+    }
 }

src/main/java/org/openflow/vendor/openflow/OFQueueVendorData.java

@@ -28,11 +28,15 @@ import org.openflow.protocol.OFPacketQueue;
  * @author Andrew Ferguson (adf@cs.brown.edu)
  */
 public class OFQueueVendorData extends OFOpenFlowVendorData {
-    public static int MINIMUM_LENGTH = 24;
+    public static int MINIMUM_LENGTH = 8;
 
     protected short portNumber;
     protected List<OFPacketQueue> queues = new ArrayList<OFPacketQueue>();
 
+    public OFQueueVendorData(int dataType) {
+        super(dataType);
+    }
+
     /**
      * @return the portNumber
      */
@@ -73,7 +77,7 @@ public class OFQueueVendorData extends OFOpenFlowVendorData {
             queuesLength += queue.getLength();
         }
 
-        return MINIMUM_LENGTH + queuesLength;
+        return super.getLength() + MINIMUM_LENGTH + queuesLength;
     }
 
     /**