1) make JMX port configuration in deverloper build, 2) Add property map based dynamic bean

build/developer.xml

@@ -20,6 +20,10 @@
   <property name="unittest.dir" location="${base.dir}/unittest"/>
   <property name="unittest.target.dir" location="${unittest.dir}/classes"/>
   <property name="unittest.jar.dir" location="${unittest.dir}/jar"/>
+	
+  <condition property="jmxport" value="${jmxport.override}" else="45219">
+    <isset property="jmxport.override" />
+  </condition>
   
   <macrodef name="compile-test">
     <attribute name="top.dir" description="Top Directory of the source.  We will add src to this to get the source code."/>
@@ -69,7 +73,7 @@
   <target name="debug-suspend">
     <java jar="${tomcat.home}/bin/bootstrap.jar" fork="true">
       <jvmarg value="-Dcatalina.home=${tomcat.home}"/>
-      <jvmarg value="-Dcom.sun.management.jmxremote.port=20400"/>
+      <jvmarg value="-Dcom.sun.management.jmxremote.port=${jmxport}"/>
       <jvmarg value="-Dcom.sun.management.jmxremote.authenticate=false"/>
       <jvmarg value="-Dcom.sun.management.jmxremote.ssl=false"/>
 	  <jvmarg value="-Xdebug"/>
@@ -90,7 +94,7 @@
     <echo message="Start Tomcat" />
     <java dir="${tomcat.home}/bin/" jar="${tomcat.home}/bin/bootstrap.jar" fork="true">
       <jvmarg value="${assertion}"/>
-      <jvmarg value="-Dcom.sun.management.jmxremote.port=20400"/>
+      <jvmarg value="-Dcom.sun.management.jmxremote.port=${jmxport}"/>
       <jvmarg value="-Dcom.sun.management.jmxremote.authenticate=false"/>
       <jvmarg value="-Dcom.sun.management.jmxremote.ssl=false"/>
       <jvmarg value="-Xms256m"/>
@@ -103,7 +107,7 @@
   <target name="debug-tomcat">
     <java jar="${tomcat.home}/bin/bootstrap.jar" fork="true">
       <jvmarg value="-Dcatalina.home=${tomcat.home}"/>
-      <jvmarg value="-Dcom.sun.management.jmxremote.port=20400"/>
+      <jvmarg value="-Dcom.sun.management.jmxremote.port=${jmxport}"/>
       <jvmarg value="-Dcom.sun.management.jmxremote.authenticate=false"/>
       <jvmarg value="-Dcom.sun.management.jmxremote.ssl=false"/>
 	  <jvmarg value="-Xdebug"/>

utils/src/com/cloud/utils/mgmt/PropertyMapDynamicBean.java

@@ -0,0 +1,111 @@
+package com.cloud.utils.mgmt;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+import javax.management.Attribute;
+import javax.management.AttributeList;
+import javax.management.AttributeNotFoundException;
+import javax.management.DynamicMBean;
+import javax.management.InvalidAttributeValueException;
+import javax.management.MBeanAttributeInfo;
+import javax.management.MBeanException;
+import javax.management.MBeanInfo;
+import javax.management.ReflectionException;
+
+public class PropertyMapDynamicBean implements DynamicMBean {
+	
+	private Map<String, Object> _propMap = new HashMap<String, Object>();
+	
+	public PropertyMapDynamicBean() {
+	}
+	
+	public PropertyMapDynamicBean(Map<String, Object> propMap) {
+		_propMap = propMap;
+	}
+
+	@Override
+	public synchronized Object getAttribute(String name) throws AttributeNotFoundException, MBeanException, ReflectionException {
+		if(_propMap != null) {
+			return _propMap.get(name);
+		}
+		
+		throw new AttributeNotFoundException("No such property " + name);	
+	}
+
+	@Override
+	public synchronized AttributeList getAttributes(String[] names) {
+		AttributeList list = new AttributeList();
+        for (String name : names) {
+            Object value = _propMap.get(name);
+            if (value != null)
+                list.add(new Attribute(name, value));
+        }
+        return list;		
+	}
+
+	@Override
+	public synchronized MBeanInfo getMBeanInfo() {
+		SortedSet<String> names = new TreeSet<String>();
+		
+        for (String name : _propMap.keySet())
+            names.add(name);
+        
+        MBeanAttributeInfo[] attrs = new MBeanAttributeInfo[names.size()];
+        Iterator<String> it = names.iterator();
+        for (int i = 0; i < attrs.length; i++) {
+            String name = it.next();
+            attrs[i] = new MBeanAttributeInfo(
+                    name,
+                    "java.lang.String",
+                    name,
+                    true,   // isReadable
+                    true,   // isWritable
+                    false); // isIs
+        }
+        
+        return new MBeanInfo(
+            this.getClass().getName(),
+            "Dynamic MBean",
+            attrs,
+            null,
+            null,
+            null);	
+    }
+
+	@Override
+	public synchronized Object invoke(String name, Object[] args, String[] sig) throws MBeanException, ReflectionException {
+		throw new ReflectionException(new NoSuchMethodException(name));	
+	}
+
+	@Override
+	public synchronized void setAttribute(Attribute attr) throws AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException {
+		String name = attr.getName();
+		if(name != null)
+			_propMap.put(name, attr.getValue());
+	}
+
+	@Override
+	public synchronized AttributeList setAttributes(AttributeList list) {
+		Attribute[] attrs = (Attribute[]) list.toArray(new Attribute[0]);
+		AttributeList retList = new AttributeList();
+        for (Attribute attr : attrs) {
+            String name = attr.getName();
+            Object value = attr.getValue();
+            _propMap.put(name, value);
+            retList.add(new Attribute(name, value));
+        } 
+        return retList;
+	}
+	
+	public synchronized void addProp(String name, Object value) {
+		_propMap.put(name, value);
+	}
+	
+	public synchronized Object getProp(String name) {
+		return _propMap.get(name);
+	}
+}