atlshandshakepacket.java

ATLS原代码库,实现的很不错 ATLS原代码库,实现的很不错

/*
 * Copyright (c) 2002 by The Regents of the University of California. 
 * All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without written agreement is
 * hereby granted, provided that the above copyright notice and the following
 * two paragraphs appear in all copies of this software.
 *
 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
 * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 *
 * Author: Dennis Chi <[e-mail]> 
 *
 */

package seda.sandStorm.lib.aTLS;

import seda.sandStorm.lib.aTLS.protocol.*;
import seda.sandStorm.api.*;

/** 
 * aTLSHandshakePacket is used solely for the handshake stage to indicate
 * that a handshake message was received and should be handled. Also necessary
 * to differentiate between a normal handshake message and a change cipher spec.
 */

class aTLSHandshakePacket implements QueueElementIF {

    private aTLSConnection atlsconn;
    private aTLSHandshakeRecord record;
    private boolean startHS = false;

    /**
     * Only created by the Record Stage to indicate that the HandshakeStage should
     * begin the handshake process.
     */
    aTLSHandshakePacket(aTLSConnection atlsconn) {
	this.atlsconn = atlsconn;
	record = null;
	startHS = true;
    }
    
    /**
     * Created by record stage for every handshake message except a change cipher spec message.
     */
    aTLSHandshakePacket (aTLSConnection atlsconn, aTLSHandshakeRecord record) {
	this.atlsconn = atlsconn;
	this.record = record;
    }

    /**
     * Returns the aTLSConnection from which this packet was received.
     */
    aTLSConnection getConnection() {
	return atlsconn;
    }

    /**
     * Returns whether the packet actually contains useful data, or is just a signal for the
     * handshake stage to start the handshake.
     */
    boolean getboolHS() {
	return startHS;
    }

    /**
     * Returns the record associated with this packet, if any.
     */
    aTLSHandshakeRecord getRecord() {
	return record;
    }
}