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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.ote.connection.jini;
import java.io.File;
import java.io.Serializable;
import java.net.URI;
import java.net.UnknownHostException;
import java.rmi.Remote;
import java.rmi.server.ExportException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Timer;
import java.util.logging.Level;
import net.jini.core.entry.Entry;
import net.jini.core.lookup.ServiceID;
import net.jini.core.lookup.ServiceItem;
import net.jini.core.lookup.ServiceRegistrar;
import net.jini.core.lookup.ServiceRegistration;
import net.jini.id.Uuid;
import net.jini.id.UuidFactory;
import net.jini.jeri.BasicILFactory;
import net.jini.jeri.BasicJeriExporter;
import net.jini.jeri.tcp.TcpServerEndpoint;
import org.eclipse.osee.framework.jdk.core.util.EnhancedProperties;
import org.eclipse.osee.framework.jdk.core.util.Network;
import org.eclipse.osee.ote.connection.jini.util.LeaseRenewTask;
/**
* @author Ken J. Aguilar
*/
public class JiniServiceSideConnector extends JiniConnector implements IJiniConnectorLink {
public static final String TYPE = "jini.service-end";
private final HashMap<ServiceRegistration, LeaseRenewTask> registrations =
new HashMap<ServiceRegistration, LeaseRenewTask>();
private Remote service;
private Remote serviceProxy;
private BasicJeriExporter serviceExporter;
private ServiceID serviceId;
private final Timer timer = new Timer();
private ServiceItem serviceItem;
private BasicJeriExporter linkExporter;
private IJiniConnectorLink exportedThis;
private boolean stopped = false;
public JiniServiceSideConnector() {
super();
}
@Override
public void init(Object service) throws UnknownHostException, ExportException {
this.service = (Remote) service;
serviceId = generateServiceId();
serviceExporter =
new BasicJeriExporter(TcpServerEndpoint.getInstance(Network.getValidIP().getHostAddress(), 0),
new BasicILFactory(null, null, Activator.getDefault().getExportClassLoader()), false, false);
linkExporter =
new BasicJeriExporter(TcpServerEndpoint.getInstance(Network.getValidIP().getHostAddress(), 0),
new BasicILFactory(null, null, Activator.getDefault().getExportClassLoader()), false, false);
serviceProxy = serviceExporter.export(this.service);
exportedThis = (IJiniConnectorLink) linkExporter.export(this);
setProperty(LINK_PROPERTY, (Serializable) exportedThis);
serviceItem = new ServiceItem(serviceId, serviceProxy, createEntries());
}
public JiniServiceSideConnector(Remote service, EnhancedProperties props) throws UnknownHostException, ExportException {
super(props);
this.service = service;
serviceId = generateServiceId();
serviceExporter =
new BasicJeriExporter(TcpServerEndpoint.getInstance(Network.getValidIP().getHostAddress(), 0),
new BasicILFactory(null, null, Activator.getDefault().getExportClassLoader()), false, false);
linkExporter =
new BasicJeriExporter(TcpServerEndpoint.getInstance(Network.getValidIP().getHostAddress(), 0),
new BasicILFactory(null, null, Activator.getDefault().getExportClassLoader()), false, false);
serviceProxy = serviceExporter.export(service);
exportedThis = (IJiniConnectorLink) linkExporter.export(this);
props.setProperty(LINK_PROPERTY, (Serializable) exportedThis);
serviceItem = new ServiceItem(serviceId, serviceProxy, createEntries());
}
@Override
public Remote getService() {
return serviceProxy;
}
@Override
public synchronized void stop() throws Exception {
if (stopped) {
return;
}
stopped = true;
super.stop();
removeAllRegistrations();
serviceExporter.unexport(true);
linkExporter.unexport(true);
}
/**
* this method will cancel all current registrations of this connector
*/
synchronized void removeAllRegistrations() {
for (ServiceRegistration registration : registrations.keySet()) {
try {
LeaseRenewTask task = registrations.get(registration);
if (task != null) {
task.cancel();
}
} catch (Exception e) {
Activator.log(Level.SEVERE, "exception removing registration", e);
}
}
registrations.clear();
}
private ServiceID generateServiceId() {
Uuid uuid = UuidFactory.generate();
Long lsb = new Long(uuid.getLeastSignificantBits());
Long msb = new Long(uuid.getMostSignificantBits());
return new ServiceID(msb.longValue(), lsb.longValue());
}
synchronized void addRegistration(ServiceRegistration registration, ServiceRegistrar registrar) {
registrations.put(registration, new LeaseRenewTask(timer, registration, registrar));
}
ServiceItem getServiceItem() {
return serviceItem;
}
private synchronized void setAttributes(Entry[] entry) {
Iterator<ServiceRegistration> iter = registrations.keySet().iterator();
while (iter.hasNext()) {
ServiceRegistration registration = iter.next();
try {
registration.setAttributes(entry);
} catch (Exception ex) {
Activator.log(Level.SEVERE, "exception setting attributes", ex);
registrations.remove(registration);
}
}
}
@Override
public String getConnectorType() {
return TYPE;
}
@Override
public void setProperty(String key, Serializable value) {
super.setProperty(key, value);
setAttributes(createEntries());
}
@Override
public URI upload(File file) throws Exception {
return null;
}
@Override
public boolean ping() {
return true;
}
@Override
public String getUniqueServerId() {
return serviceId.toString();
}
}
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