/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.naming;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.UndeclaredThrowableException;
import java.net.UnknownHostException;
import java.rmi.server.RMIClientSocketFactory;
import java.rmi.server.RMIServerSocketFactory;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.Executor;
import org.jboss.invocation.Invocation;
import org.jboss.invocation.MarshalledInvocation;
import org.jboss.invocation.jrmp.server.JRMPProxyFactoryMBean;
import org.jboss.system.ServiceMBeanSupport;
import org.jnp.interfaces.MarshalledValuePair;
import org.jnp.interfaces.Naming;
import org.jnp.server.Main;
import org.jnp.server.NamingBean;
import javax.net.ServerSocketFactory;
/**
* A JBoss service that starts the jnp JNDI server.
*
* @author <a href="mailto:rickard.oberg@telkel.com">Rickard Oberg</a>
* @author <a href="mailto:Scott.Stark@jboss.org">Scott Stark</a>.
* @author <a href="mailto:andreas@jboss.org">Andreas Schaefer</a>.
* @version $Revision: 96664 $
*
* @jmx:mbean name="jboss:service=Naming"
* extends="org.jboss.system.ServiceMBean, org.jnp.server.MainMBean"
*/
public class NamingService
extends ServiceMBeanSupport
implements NamingServiceMBean
{
/** The actual namingMain service impl bean */
private NamingBean namingBean;
/** */
private Main namingMain = new Main();
/** The hash mappings of the Naming interface methods */
private Map marshalledInvocationMapping = new HashMap();
/** An optional proxy factory for externalizing the Naming proxy transport */
private JRMPProxyFactoryMBean proxyFactory;
/** A flag indicating if the namingMain should be started in our startService */
private boolean startNamingBean = true;
public NamingService()
{
}
public NamingBean getNaming()
{
return getNamingInfo();
}
public void setNaming(NamingBean bean)
{
setNamingInfo(bean);
}
public NamingBean getNamingInfo()
{
return namingBean;
}
public void setNamingInfo(NamingBean bean)
{
this.namingBean = bean;
this.namingMain.setNamingInfo(bean);
}
public Object getNamingProxy()
throws Exception
{
Object proxy = null;
if(proxyFactory != null)
proxy = proxyFactory.getProxy();
else
proxy = namingMain.getNamingProxy();
return proxy;
}
public void setNamingProxy(Object proxy)
throws IOException
{
namingMain.setNamingProxy(proxy);
}
public Naming getNamingInstance()
{
return namingBean.getNamingInstance();
}
/**
* Set the executor used for the bootstrap lookups
*
* @jmx:managed-attribute
*
* @param executor the executor
*/
public void setLookupPool(Executor executor)
{
namingMain.setLookupExector(executor);
}
/** Get the call by value flag for jndi lookups.
*
* @jmx:managed-attribute
* @return true if all lookups are unmarshalled using the caller's TCL,
* false if in VM lookups return the value by reference.
*/
public boolean getCallByValue()
{
return MarshalledValuePair.getEnableCallByReference() == false;
}
/** Set the call by value flag for jndi lookups.
*
* @jmx:managed-attribute
* @param flag - true if all lookups are unmarshalled using the caller's TCL,
* false if in VM lookups return the value by reference.
*/
public void setCallByValue(boolean flag)
{
boolean callByValue = ! flag;
MarshalledValuePair.setEnableCallByReference(callByValue);
}
public void setPort(int port)
{
namingMain.setPort(port);
}
public int getPort()
{
return namingMain.getPort();
}
public void setRmiPort(int port)
{
namingMain.setRmiPort(port);
}
public int getRmiPort()
{
return namingMain.getRmiPort();
}
public String getBindAddress()
{
return namingMain.getBindAddress();
}
public void setBindAddress(String host) throws UnknownHostException
{
namingMain.setBindAddress(host);
}
public String getRmiBindAddress()
{
return namingMain.getRmiBindAddress();
}
public void setRmiBindAddress(String host) throws UnknownHostException
{
namingMain.setRmiBindAddress(host);
}
public int getBacklog()
{
return namingMain.getBacklog();
}
public void setBacklog(int backlog)
{
namingMain.setBacklog(backlog);
}
public boolean getInstallGlobalService()
{
return namingMain.getInstallGlobalService();
}
public void setInstallGlobalService(boolean flag)
{
namingMain.setInstallGlobalService(flag);
}
public boolean getUseGlobalService()
{
return namingMain.getUseGlobalService();
}
public void setUseGlobalService(boolean flag)
{
namingMain.setUseGlobalService(flag);
}
public String getClientSocketFactory()
{
return namingMain.getClientSocketFactory();
}
public void setClientSocketFactory(String factoryClassName)
throws ClassNotFoundException, InstantiationException, IllegalAccessException
{
namingMain.setClientSocketFactory(factoryClassName);
}
public RMIClientSocketFactory getClientSocketFactoryBean()
{
return namingMain.getClientSocketFactoryBean();
}
public void setClientSocketFactoryBean(RMIClientSocketFactory factory)
{
namingMain.setClientSocketFactoryBean(factory);
}
public String getServerSocketFactory()
{
return namingMain.getServerSocketFactory();
}
public void setServerSocketFactory(String factoryClassName)
throws ClassNotFoundException, InstantiationException, IllegalAccessException
{
namingMain.setServerSocketFactory(factoryClassName);
}
public RMIServerSocketFactory getServerSocketFactoryBean()
{
return namingMain.getServerSocketFactoryBean();
}
public void setServerSocketFactoryBean(RMIServerSocketFactory factory)
{
namingMain.setServerSocketFactoryBean(factory);
}
public String getJNPServerSocketFactory()
{
return namingMain.getJNPServerSocketFactory();
}
public void setJNPServerSocketFactory(String factoryClassName)
throws ClassNotFoundException, InstantiationException, IllegalAccessException
{
namingMain.setJNPServerSocketFactory(factoryClassName);
}
public ServerSocketFactory getJNPServerSocketFactoryBean()
{
return namingMain.getJNPServerSocketFactoryBean();
}
public void setJNPServerSocketFactoryBean(ServerSocketFactory factory)
{
namingMain.setJNPServerSocketFactoryBean(factory);
}
public void setInvokerProxyFactory(JRMPProxyFactoryMBean proxyFactory)
{
this.proxyFactory = proxyFactory;
}
public String getBootstrapURL()
{
return namingMain.getBootstrapURL();
}
public Exception getLookupListenerException()
{
return namingMain.getLookupListenerException();
}
public boolean getStartNamingBean()
{
return startNamingBean;
}
public void setStartNamingBean(boolean startNamingBean)
{
this.startNamingBean = startNamingBean;
}
protected void startService()
throws Exception
{
boolean debug = log.isDebugEnabled();
// Read jndi.properties into system properties
ClassLoader loader = Thread.currentThread().getContextClassLoader();
InputStream is = loader.getResourceAsStream("jndi.properties");
if (is == null)
throw new RuntimeException("Cannot find jndi.properties, it should be at conf/jndi.properties by default.");
Properties props = new Properties();
try
{
props.load(is);
}
finally
{
is.close();
}
for (Enumeration keys = props.propertyNames(); keys.hasMoreElements(); )
{
String key = (String) keys.nextElement();
String value = props.getProperty(key);
if (debug)
{
log.debug("System.setProperty, key="+key+", value="+value);
}
System.setProperty(key, value);
}
if( proxyFactory != null )
namingMain.setNamingProxy(proxyFactory.getProxy());
if( startNamingBean )
namingMain.start();
// Build the Naming interface method map
HashMap tmpMap = new HashMap(13);
Method[] methods = Naming.class.getMethods();
for(int m = 0; m < methods.length; m ++)
{
Method method = methods[m];
Long hash = new Long(MarshalledInvocation.calculateHash(method));
tmpMap.put(hash, method);
}
marshalledInvocationMapping = Collections.unmodifiableMap(tmpMap);
}
protected void stopService()
throws Exception
{
if(startNamingBean)
{
namingMain.stop();
log.debug("JNP server stopped");
}
}
/**
* The <code>getNamingServer</code> method makes this class
* extensible, but it is a hack. The NamingServer should be
* exposed directly as an xmbean, and the startup logic put in
* either an interceptor, the main class itself, or an auxilliary
* mbean (for the enc).
*
* @return a <code>Main</code> value
*/
protected Main getNamingServer()
{
return namingMain;
} // end of main()
/** Expose the Naming service interface mapping as a read-only attribute
*
* @jmx:managed-attribute
*
* @return A Map<Long hash, Method> of the Naming interface
*/
public Map getMethodMap()
{
return marshalledInvocationMapping;
}
public void createAlias(String fromName, String toName) throws Exception
{
Util.createLinkRef(fromName, toName);
log.info("Created alias " + fromName + "->" + toName);
}
public void removeAlias(String name) throws Exception
{
log.info("Removing alias " + name);
Util.removeLinkRef(name);
}
/** Expose the Naming service via JMX to invokers.
*
* @jmx:managed-operation
*
* @param invocation A pointer to the invocation object
* @return Return value of method invocation.
*
* @throws Exception Failed to invoke method.
*/
public Object invoke(Invocation invocation) throws Exception
{
Naming theServer = namingMain.getNamingInstance();
// Set the method hash to Method mapping
if (invocation instanceof MarshalledInvocation)
{
MarshalledInvocation mi = (MarshalledInvocation) invocation;
mi.setMethodMap(marshalledInvocationMapping);
}
// Invoke the Naming method via reflection
Method method = invocation.getMethod();
Object[] args = invocation.getArguments();
Object value = null;
try
{
value = method.invoke(theServer, args);
}
catch(InvocationTargetException e)
{
Throwable t = e.getTargetException();
if( t instanceof Exception )
throw (Exception) t;
else
throw new UndeclaredThrowableException(t, method.toString());
}
return value;
}
}