/*
* This file is part of FFMQ.
*
* FFMQ is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* FFMQ is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with FFMQ; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.timewalker.ffmq4;
import java.io.File;
import java.util.List;
import java.util.Vector;
import javax.jms.JMSException;
import javax.management.ObjectName;
import net.timewalker.ffmq4.admin.RemoteAdministrationThread;
import net.timewalker.ffmq4.cluster.bridge.JMSBridge;
import net.timewalker.ffmq4.jmx.JMXAgent;
import net.timewalker.ffmq4.jmx.rmi.JMXOverRMIAgent;
import net.timewalker.ffmq4.listeners.ClientListener;
import net.timewalker.ffmq4.listeners.tcp.io.TcpListener;
import net.timewalker.ffmq4.listeners.tcp.nio.NIOTcpListener;
import net.timewalker.ffmq4.local.FFMQEngine;
import net.timewalker.ffmq4.local.FFMQEngineListener;
import net.timewalker.ffmq4.local.destination.LocalQueue;
import net.timewalker.ffmq4.local.destination.LocalTopic;
import net.timewalker.ffmq4.management.BridgeDefinitionProvider;
import net.timewalker.ffmq4.management.bridge.BridgeDefinition;
import net.timewalker.ffmq4.utils.InetUtils;
import net.timewalker.ffmq4.utils.Settings;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* <p>Implementation of an FFMQ Server instance.</p>
*/
public final class FFMQServer implements FFMQServerMBean, FFMQEngineListener, Runnable
{
private static final Log log = LogFactory.getLog(FFMQServer.class);
private static final int ADMIN_THREAD_STOP_TIMEOUT = 30; // seconds
// Settings
private String engineName;
private Settings settings;
// Runtime
private long startupTime;
private JMXAgent jmxAgent;
private FFMQEngine engine;
private ClientListener tcpListener;
private RemoteAdministrationThread adminThread;
private BridgeDefinitionProvider bridgeDefinitionProvider;
private List<JMSBridge> bridges = new Vector<>();
private boolean started;
private boolean stopRequired;
private boolean inRunnableMode;
/**
* Constructor
*/
public FFMQServer( String engineName , Settings settings ) throws JMSException
{
this.engineName = engineName;
this.settings = settings;
init();
}
private void init() throws JMSException
{
// Bridge definitions directory
String bridgeDefinitionDirPath = settings.getStringProperty(FFMQCoreSettings.BRIDGE_DEFINITIONS_DIR, null);
if (bridgeDefinitionDirPath != null)
{
File bridgeDefinitionsDir = new File(bridgeDefinitionDirPath);
if (!bridgeDefinitionsDir.isDirectory())
throw new FFMQException("Bridge definitions directory does not exist : "+bridgeDefinitionsDir.getAbsolutePath(),"FS_ERROR");
this.bridgeDefinitionProvider = new BridgeDefinitionProvider(bridgeDefinitionsDir);
}
}
/* (non-Javadoc)
* @see net.timewalker.ffmq4.FFMQServerMBean#getVersion()
*/
@Override
public String getVersion()
{
return FFMQVersion.getProviderMajorVersion()+"."+FFMQVersion.getProviderMinorVersion()+"."+FFMQVersion.getProviderReleaseVersion();
}
/*
* (non-Javadoc)
* @see net.timewalker.ffmq4.FFMQServerMBean#start()
*/
@Override
public synchronized boolean start()
{
if (started)
return false;
try
{
long startTime = System.currentTimeMillis();
// Banners
log.info("FFMQ server "+getVersion()+
" (Java "+System.getProperty("java.version")+")");
log.info("Running on "+System.getProperty("os.name","?")+" "+System.getProperty("os.version","?"));
log.info("JVM is "+System.getProperty("java.vm.vendor","?")+" "+System.getProperty("java.runtime.version","?")+" ["+System.getProperty("java.vm.name","?")+"] at "+System.getProperty("java.home","?"));
log.info("Server local engine name is '"+engineName+"'");
log.debug("Server startup ...");
// Deploy JMX support
boolean jmxAgentEnabled = settings.getBooleanProperty(FFMQCoreSettings.JMX_AGENT_ENABLED, false);
int jmxJndiRmiPort = settings.getIntProperty(FFMQCoreSettings.JMX_AGENT_JNDI_RMI_PORT,10003);
String jmxRmiListenAddr = InetUtils.resolveAutoInterfaceAddress(settings.getStringProperty(FFMQCoreSettings.JMX_AGENT_RMI_LISTEN_ADDR, "0.0.0.0"));
if (jmxAgentEnabled)
{
jmxAgent = new JMXOverRMIAgent("FFMQ-server",jmxJndiRmiPort,jmxRmiListenAddr);
try
{
jmxAgent.register(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Server"), this);
}
catch (Exception e)
{
log.error("Cannot register server on JMX agent",e);
}
}
// Deploy local engine
engine = new FFMQEngine(engineName,settings,this);
try
{
if (jmxAgent != null)
jmxAgent.register(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()), engine);
}
catch (Exception e)
{
log.error("Cannot register local engine on JMX agent",e);
}
engine.deploy();
// Deploy listeners
String listenAddr = InetUtils.resolveAutoInterfaceAddress(settings.getStringProperty(FFMQServerSettings.LISTENER_TCP_LISTEN_ADDR,null));
int listenPort = settings.getIntProperty(FFMQServerSettings.LISTENER_TCP_LISTEN_PORT,FFMQConstants.DEFAULT_SERVER_PORT);
boolean tcpListenerEnabled = settings.getBooleanProperty(FFMQServerSettings.LISTENER_TCP_ENABLED,true);
boolean useNIOListener = settings.getBooleanProperty(FFMQServerSettings.LISTENER_TCP_USE_NIO,false);
boolean useSSL = settings.getBooleanProperty(FFMQCoreSettings.TRANSPORT_TCP_SSL_ENABLED, false);
if (useSSL && useNIOListener)
throw new FFMQException("Cannot enable SSL & NIO listener at the same time.","CONFIGURATION_ERROR"); // JDK 1.4 limitation
if (tcpListenerEnabled)
{
if (useNIOListener)
tcpListener = new NIOTcpListener(engine,listenAddr,listenPort,settings,jmxAgent);
else
tcpListener = new TcpListener(engine,listenAddr,listenPort,settings,jmxAgent);
if (jmxAgent != null)
{
try
{
jmxAgent.register(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Listeners,listener="+tcpListener.getName()),tcpListener);
}
catch (Exception e)
{
log.error("Cannot register listener on JMX agent",e);
}
}
tcpListener.start();
}
// Deploy remote admin support
boolean remoteAdminEnabled = settings.getBooleanProperty(FFMQServerSettings.REMOTE_ADMIN_ENABLED,false);
if (remoteAdminEnabled)
{
adminThread = new RemoteAdministrationThread(this,engine);
adminThread.start();
try
{
adminThread.waitForStartup();
}
catch (InterruptedException e)
{
throw new FFMQException("Deploy was interrupted while waiting for the admin thread to start","INTERNAL_ERROR");
}
}
// Deploy bridges
deployBridges();
long endTime = System.currentTimeMillis();
log.info("Server startup complete. ("+(endTime-startTime)+" ms)");
started = true;
startupTime = System.currentTimeMillis();
return true;
}
catch (JMSException e)
{
if (e.getLinkedException() != null)
{
log.error("Server startup failed",e);
log.error("Original error was :",e.getLinkedException());
}
else
log.error("Server startup failed",e);
return false;
}
catch (Exception e)
{
log.error("Server startup failed",e);
return false;
}
}
private void deployBridges() throws JMSException
{
if (bridgeDefinitionProvider != null)
{
// Load definitions
this.bridgeDefinitionProvider.loadExistingDefinitions();
BridgeDefinition[] bridgeDefs = bridgeDefinitionProvider.getBridgeDefinitions();
for (int i = 0; i < bridgeDefs.length; i++)
{
log.debug("Deploying JMS bridge : "+bridgeDefs[i].getName());
JMSBridge bridge = new JMSBridge(bridgeDefs[i]);
if (bridgeDefs[i].isEnabled())
bridge.start();
else
log.debug("JMS bridge is disabled : "+bridgeDefs[i].getName());
bridges.add(bridge);
bridgeDeployed(bridge);
}
}
}
private void undeployBridges()
{
for (int i = 0; i < bridges.size(); i++)
{
JMSBridge bridge = bridges.get(i);
log.debug("Undeploying JMS bridge : "+bridge.getBridgeDefinition().getName());
if (bridge.isStarted())
bridge.stop();
bridgeUndeployed(bridge);
}
bridges.clear();
}
/*
* (non-Javadoc)
* @see net.timewalker.ffmq4.FFMQServerMBean#shutdown()
*/
@Override
public synchronized boolean shutdown()
{
if (!started)
return false;
try
{
log.info("Server shutting down ...");
// Undeploy bridges
undeployBridges();
// Stop the tcp listener
if (tcpListener != null)
{
tcpListener.stop();
tcpListener = null;
}
// Terminate the admin thread
if (adminThread != null)
{
adminThread.pleaseStop();
try
{
adminThread.join(ADMIN_THREAD_STOP_TIMEOUT*1000);
adminThread = null;
}
catch (InterruptedException e)
{
log.warn("Shutdown was interrupted while waiting for the admin thread to stop");
}
}
// Undeploy engine
engine.undeploy();
try
{
if (jmxAgent != null)
jmxAgent.unregister(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()));
}
catch (Exception e)
{
log.error("Cannot unregister local engine from JMX agent",e);
}
// Undeploy JMX
if (jmxAgent != null)
jmxAgent.stop();
started = false;
log.info("Shutdown complete.");
return true;
}
catch (Exception e)
{
log.error("Server shutdown failed",e);
return false;
}
}
/*
* (non-Javadoc)
* @see net.timewalker.ffmq4.FFMQServerMBean#isStarted()
*/
@Override
public synchronized boolean isStarted()
{
return started;
}
/* (non-Javadoc)
* @see net.timewalker.ffmq4.local.LocalEngineListener#engineDeployed()
*/
@Override
public void engineDeployed()
{
try
{
if (jmxAgent != null)
{
jmxAgent.register(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()+",children=async-managers,name=notification"), engine.getNotificationAsyncTaskManager());
jmxAgent.register(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()+",children=async-managers,name=delivery"), engine.getDeliveryAsyncTaskManager());
jmxAgent.register(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()+",children=async-managers,name=disk-io"), engine.getDiskIOAsyncTaskManager());
}
}
catch (Exception e)
{
log.error("Cannot register local engine async managers from JMX agent",e);
}
}
/* (non-Javadoc)
* @see net.timewalker.ffmq4.local.LocalEngineListener#engineUndeployed()
*/
@Override
public void engineUndeployed()
{
try
{
if (jmxAgent != null)
{
jmxAgent.unregister(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()+",children=async-managers,name=notification"));
jmxAgent.unregister(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()+",children=async-managers,name=delivery"));
jmxAgent.unregister(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()+",children=async-managers,name=disk-io"));
}
}
catch (Exception e)
{
log.error("Cannot unregister local engine async managers from JMX agent",e);
}
}
/* (non-Javadoc)
* @see net.timewalker.ffmq4.local.LocalEngineListener#queueDeployed(net.timewalker.ffmq4.local.destination.LocalQueue)
*/
@Override
public void queueDeployed(LocalQueue queue)
{
try
{
if (jmxAgent != null)
jmxAgent.register(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()+",children=queues,name="+queue.getName()), queue);
}
catch (Exception e)
{
log.error("Cannot register local queue on JMX agent",e);
}
}
/* (non-Javadoc)
* @see net.timewalker.ffmq4.local.LocalEngineListener#queueUndeployed(net.timewalker.ffmq4.local.destination.LocalQueue)
*/
@Override
public void queueUndeployed(LocalQueue queue)
{
try
{
if (jmxAgent != null)
jmxAgent.unregister(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()+",children=queues,name="+queue.getName()));
}
catch (Exception e)
{
log.error("Cannot unregister local queue from JMX agent",e);
}
}
/* (non-Javadoc)
* @see net.timewalker.ffmq4.local.LocalEngineListener#topicDeployed(net.timewalker.ffmq4.local.destination.LocalTopic)
*/
@Override
public void topicDeployed(LocalTopic topic)
{
try
{
if (jmxAgent != null)
jmxAgent.register(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()+",children=topics,name="+topic.getName()), topic);
}
catch (Exception e)
{
log.error("Cannot register local topic on JMX agent",e);
}
}
/* (non-Javadoc)
* @see net.timewalker.ffmq4.local.LocalEngineListener#topicUndeployed(net.timewalker.ffmq4.local.destination.LocalTopic)
*/
@Override
public void topicUndeployed(LocalTopic topic)
{
try
{
if (jmxAgent != null)
jmxAgent.unregister(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Engines,engine="+engine.getName()+",children=topics,name="+topic.getName()));
}
catch (Exception e)
{
log.error("Cannot unregister local topic from JMX agent",e);
}
}
private void bridgeDeployed(JMSBridge bridge)
{
try
{
if (jmxAgent != null)
jmxAgent.register(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Bridges,bridge="+bridge.getName()), bridge);
}
catch (Exception e)
{
log.error("Cannot register bridge on JMX agent",e);
}
}
private void bridgeUndeployed(JMSBridge bridge)
{
try
{
if (jmxAgent != null)
jmxAgent.unregister(new ObjectName(JMXAgent.JMX_DOMAIN+":type=Bridges,bridge="+bridge.getName()));
}
catch (Exception e)
{
log.error("Cannot unregister bridge fromJMX agent",e);
}
}
/* (non-Javadoc)
* @see net.timewalker.ffmq4.FFMQServerMBean#isRemoteAdministrationEnabled()
*/
@Override
public synchronized boolean isRemoteAdministrationEnabled()
{
return adminThread != null;
}
/* (non-Javadoc)
* @see net.timewalker.ffmq4.FFMQServerMBean#getUptime()
*/
@Override
public synchronized long getUptime()
{
return started ? System.currentTimeMillis()-startupTime : 0;
}
/* (non-Javadoc)
* @see java.lang.Runnable#run()
*/
@Override
public synchronized void run()
{
if (!start())
return;
try
{
inRunnableMode = true;
while (!stopRequired)
wait();
}
catch (InterruptedException e)
{
log.error("Server was interrupted.");
}
shutdown();
}
public synchronized void pleaseStop()
{
stopRequired = true;
notify();
}
/**
* @return the inRunnableMode
*/
public synchronized boolean isInRunnableMode()
{
return inRunnableMode;
}
}