com.symbian.driver.remoting.master.TestMaster.java Source code

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Here is the source code for com.symbian.driver.remoting.master.TestMaster.java

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/*
* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: 
*
*/

package com.symbian.driver.remoting.master;

import java.io.File;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.rmi.Naming;
import java.rmi.RMISecurityManager;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.apache.commons.cli.ParseException;

import com.symbian.driver.core.environment.TDConfig;

/**
 * TestMaster hosts the Remote RMI service in its process. It binds the service
 * to the RMI Object Registry from where clients lookup the service.
 * 
 * 
 * @author EngineeringTools
 */
public final class TestMaster {

    /** Generic logger. */
    protected static Logger LOGGER = Logger.getLogger(TestMaster.class.getName());

    private static final String SERIALIZE_FOLDER = "." + File.separator + "store";

    /**
     * 
     */
    public TestMaster() {
        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new RMISecurityManager());
        }
    }

    /**
     * Start master.
     */
    public void start() {

        String bindingName = null;
        String jobsFolder = null;
        String lHostName = null;
        String lServiceName = null;

        // start rmi registry
        /*
         * The user can specify the ip@ or the host name at config --server
         */
        try {

            TDConfig CONFIG = TDConfig.getInstance();
            lHostName = CONFIG.getPreference(TDConfig.SERVER_NAME);
            lServiceName = CONFIG.getPreference(TDConfig.SERVICE);

            LOGGER.fine("Host: " + lHostName + " RMI Service: " + lServiceName);

            jobsFolder = CONFIG.getPreferenceFile(TDConfig.JOBS_FOLDER).getAbsolutePath();
            if (lHostName.matches("^\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}$")) {
                LOGGER.fine("Using host ip address for RMI from the config : " + lHostName);
                lHostName = InetAddress.getByName(lHostName).getHostName();
            }

            if (lHostName == null) {
                LOGGER.log(Level.SEVERE, "Could not determine the Host Name. Please check your config.");
                System.exit(-1);
            }

            System.getProperties().setProperty("java.rmi.server.hostname", lHostName);
            Registry lRegistry = LocateRegistry.createRegistry(1099);
            LOGGER.fine("Master: RMI registry ready. " + lRegistry);

        } catch (ParseException lE) {
            LOGGER.log(Level.SEVERE, "Master: Can not parse configuration.", lE);
            System.exit(-1);
        } catch (UnknownHostException lUHE) {
            LOGGER.log(Level.SEVERE, "Invalid host name " + lHostName, lUHE);
            System.exit(-1);
        } catch (RemoteException lRemoteException) {
            LOGGER.log(Level.SEVERE, "Master: RMI registry failed to start " + lRemoteException.getMessage(),
                    lRemoteException);
            System.exit(-1);
        }

        File storeFolder = new File(SERIALIZE_FOLDER);
        if (!(storeFolder.isDirectory())) {
            if (!(storeFolder.mkdirs())) {
                LOGGER.log(Level.SEVERE,
                        "Master: Unable to create the store folder." + "Please ensure that the " + SERIALIZE_FOLDER
                                + " folder exists. It is needed by Master for placing system restore files.");
                System.exit(-1);
            }
        }

        try {
            if (ClientRegister.getInstance().needRestore()) {
                LOGGER.info("Restoring Client register.");
                ClientRegister.getInstance().restoreSnapshot();
            }
            if (JobTracker.getInstance().needRestore()) {
                LOGGER.info("Restoring Job tracker.");
                JobTracker.getInstance().restoreSnapshot();
            }
            JobCounter jobCounter = new JobCounter();
            if (jobCounter.needRestore()) {
                LOGGER.info("Restoring Job counter.");
                jobCounter.restoreSnapshot();
            }
            QueuedExecutor queuedExecutor = new QueuedExecutor();
            if (queuedExecutor.needRestore()) {
                LOGGER.info("Restoring execution queue.");
                queuedExecutor.restoreSnapshot();
            }
            bindingName = "//" + lHostName + "/" + lServiceName;
            MasterRemote master = new MasterRemoteImpl(jobsFolder, jobCounter, queuedExecutor);
            Naming.rebind(bindingName, master);
            LOGGER.info("Remote Service Name : " + bindingName);
        } catch (RemoteException lRE) {
            LOGGER.log(Level.SEVERE, "Master: Problem with contacting the RMI Registry: ", lRE);
            System.exit(-1);
        } catch (IOException lE) {
            LOGGER.log(Level.SEVERE, "Master: Problem with starting up TestMaster: ", lE);
            System.exit(-1);
        }
    }

    /**
     * @param args
     */
    public static void startRemoteMaster() {
        LOGGER.fine("TestMaster initialising.");
        TestMaster testmaster = new TestMaster();
        LOGGER.info("TestMaster starting up.");
        testmaster.start();
        LOGGER.info("TestMaster running.");
    }
}