/**
* collectd - bindings/java/org/collectd/java/JMXMemory.java
* Copyright (C) 2009 Florian octo Forster
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Florian octo Forster <octo at collectd.org>
*/
package org.collectd.java;
import java.util.List;
import java.util.Date;
import java.lang.management.ManagementFactory;
import java.lang.management.MemoryUsage;
import java.lang.management.MemoryMXBean;
import javax.management.MBeanServerConnection;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import org.collectd.api.Collectd;
import org.collectd.api.DataSet;
import org.collectd.api.ValueList;
import org.collectd.api.Notification;
import org.collectd.api.OConfigItem;
import org.collectd.api.CollectdConfigInterface;
import org.collectd.api.CollectdInitInterface;
import org.collectd.api.CollectdReadInterface;
import org.collectd.api.CollectdShutdownInterface;
import org.collectd.api.OConfigValue;
import org.collectd.api.OConfigItem;
public class JMXMemory implements CollectdConfigInterface,
CollectdInitInterface,
CollectdReadInterface,
CollectdShutdownInterface
{
private String _jmx_service_url = null;
private MemoryMXBean _mbean = null;
public JMXMemory ()
{
Collectd.registerConfig ("JMXMemory", this);
Collectd.registerInit ("JMXMemory", this);
Collectd.registerRead ("JMXMemory", this);
Collectd.registerShutdown ("JMXMemory", this);
}
private void submit (String plugin_instance, MemoryUsage usage) /* {{{ */
{
ValueList vl;
long mem_init;
long mem_used;
long mem_committed;
long mem_max;
mem_init = usage.getInit ();
mem_used = usage.getUsed ();
mem_committed = usage.getCommitted ();
mem_max = usage.getMax ();
Collectd.logDebug ("JMXMemory plugin: plugin_instance = " + plugin_instance + "; "
+ "mem_init = " + mem_init + "; "
+ "mem_used = " + mem_used + "; "
+ "mem_committed = " + mem_committed + "; "
+ "mem_max = " + mem_max + ";");
vl = new ValueList ();
vl.setHost ("localhost");
vl.setPlugin ("JMXMemory");
vl.setPluginInstance (plugin_instance);
vl.setType ("memory");
if (mem_init >= 0)
{
vl.addValue (mem_init);
vl.setTypeInstance ("init");
Collectd.dispatchValues (vl);
vl.clearValues ();
}
if (mem_used >= 0)
{
vl.addValue (mem_used);
vl.setTypeInstance ("used");
Collectd.dispatchValues (vl);
vl.clearValues ();
}
if (mem_committed >= 0)
{
vl.addValue (mem_committed);
vl.setTypeInstance ("committed");
Collectd.dispatchValues (vl);
vl.clearValues ();
}
if (mem_max >= 0)
{
vl.addValue (mem_max);
vl.setTypeInstance ("max");
Collectd.dispatchValues (vl);
vl.clearValues ();
}
} /* }}} void submit */
private int configServiceURL (OConfigItem ci) /* {{{ */
{
List<OConfigValue> values;
OConfigValue cv;
values = ci.getValues ();
if (values.size () != 1)
{
Collectd.logError ("JMXMemory plugin: The JMXServiceURL option needs "
+ "exactly one string argument.");
return (-1);
}
cv = values.get (0);
if (cv.getType () != OConfigValue.OCONFIG_TYPE_STRING)
{
Collectd.logError ("JMXMemory plugin: The JMXServiceURL option needs "
+ "exactly one string argument.");
return (-1);
}
_jmx_service_url = cv.getString ();
return (0);
} /* }}} int configServiceURL */
public int config (OConfigItem ci) /* {{{ */
{
List<OConfigItem> children;
int i;
Collectd.logDebug ("JMXMemory plugin: config: ci = " + ci + ";");
children = ci.getChildren ();
for (i = 0; i < children.size (); i++)
{
OConfigItem child;
String key;
child = children.get (i);
key = child.getKey ();
if (key.equalsIgnoreCase ("JMXServiceURL"))
{
configServiceURL (child);
}
else
{
Collectd.logError ("JMXMemory plugin: Unknown config option: " + key);
}
}
return (0);
} /* }}} int config */
public int init () /* {{{ */
{
JMXServiceURL service_url;
JMXConnector connector;
MBeanServerConnection connection;
if (_jmx_service_url == null)
{
Collectd.logError ("JMXMemory: _jmx_service_url == null");
return (-1);
}
try
{
service_url = new JMXServiceURL (_jmx_service_url);
connector = JMXConnectorFactory.connect (service_url);
connection = connector.getMBeanServerConnection ();
_mbean = ManagementFactory.newPlatformMXBeanProxy (connection,
ManagementFactory.MEMORY_MXBEAN_NAME,
MemoryMXBean.class);
}
catch (Exception e)
{
Collectd.logError ("JMXMemory: Creating MBean failed: " + e);
return (-1);
}
return (0);
} /* }}} int init */
public int read () /* {{{ */
{
if (_mbean == null)
{
Collectd.logError ("JMXMemory: _mbean == null");
return (-1);
}
submit ("heap", _mbean.getHeapMemoryUsage ());
submit ("non_heap", _mbean.getNonHeapMemoryUsage ());
return (0);
} /* }}} int read */
public int shutdown () /* {{{ */
{
System.out.print ("org.collectd.java.JMXMemory.Shutdown ();\n");
_jmx_service_url = null;
_mbean = null;
return (0);
} /* }}} int shutdown */
} /* class JMXMemory */
/* vim: set sw=2 sts=2 et fdm=marker : */