/*

 * Copyright (c) 1999, 2006, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package com.sun.jmx.snmp.daemon;

// java import

//

import java.io.*;

import java.util.logging.Level;

// jmx import

//

import javax.management.MBeanServer;

import javax.management.ObjectName;

// jmx RI import

//

import static com.sun.jmx.defaults.JmxProperties.SNMP_ADAPTOR_LOGGER;

/**

 * The <CODE>ClientHandler</CODE> class is the base class of each

 * adaptor.<p>

 */

abstract class ClientHandler implements Runnable {

    public ClientHandler(CommunicatorServer server, int id, MBeanServer f, ObjectName n) {

        adaptorServer = server ;

        requestId = id ;

        mbs = f ;

        objectName = n ;

        interruptCalled = false ;

        dbgTag = makeDebugTag() ;

        //if (mbs == null ){

        //thread = new Thread (this) ;

        thread =  createThread(this);

        //} else {

        //thread = mbs.getThreadAllocatorSrvIf().obtainThread(objectName,this) ;

        //}

        // Note: the thread will be started by the subclass.

    }

    // thread service

    Thread createThread(Runnable r) {

        return new Thread(this);

    }

    public void interrupt() {

        SNMP_ADAPTOR_LOGGER.entering(dbgTag, "interrupt");

        interruptCalled = true ;

        if (thread != null) {

            thread.interrupt() ;

        }

        SNMP_ADAPTOR_LOGGER.exiting(dbgTag, "interrupt");

    }

    public void join() {

        if (thread != null) {

        try {

            thread.join() ;

        }

        catch(InterruptedException x) {

        }

        }

    }

    public void run() {

        try {

            //

            // Notify the server we are now active

            //

            adaptorServer.notifyClientHandlerCreated(this) ;

            //

            // Call protocol specific sequence

            //

            doRun() ;

        }

        finally {

            //

            // Now notify the adaptor server that the handler is terminating.

            // This is important because the server may be blocked waiting for

            // a handler to terminate.

            //

            adaptorServer.notifyClientHandlerDeleted(this) ;

        }

    }

    //

    // The protocol-dependent part of the request

    //

    public abstract void doRun() ;

    protected CommunicatorServer adaptorServer = null ;

    protected int requestId = -1 ;

    protected MBeanServer mbs = null ;

    protected ObjectName objectName = null ;

    protected Thread thread = null ;

    protected boolean interruptCalled = false ;

    protected String dbgTag = null ;

    protected String makeDebugTag() {

        return "ClientHandler[" + adaptorServer.getProtocol() + ":" + adaptorServer.getPort() + "][" + requestId + "]";

    }

}