net.jenet.Header.java Source code

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Here is the source code for net.jenet.Header.java

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/*
 * Copyright (c) 2005 Dizan Vasquez.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package net.jenet;

import java.nio.ByteBuffer;

import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;

/**
 * @author Dizan Vasquez
 */
class Header implements IBufferable {

    public static final byte FLAG_ACKNOWLEDGE = 1;

    public static final byte FLAG_UNSEQUENCED = 2;

    public static final int BYTE_SIZE = 12;

    protected int challenge;

    protected byte commandCount;

    protected byte flags;

    protected short peerID;

    protected int sentTime;

    public Header() {
        super();
    }

    /*
     * (non-Javadoc)
     * 
     * @see net.jenet.Bufferable#fromBuffer(java.nio.ByteBuffer)
     */
    public void fromBuffer(ByteBuffer buffer) {
        peerID = buffer.getShort();
        flags = buffer.get();
        commandCount = buffer.get();
        sentTime = buffer.getInt();
        challenge = buffer.getInt();
    }

    /**
     * @return Returns the challenge.
     */
    public int getChallenge() {
        return challenge;
    }

    /**
     * @return Returns the commandCount.
     */
    public byte getCommandCount() {
        return commandCount;
    }

    /**
     * @return Returns the flags.
     */
    public byte getFlags() {
        return flags;
    }

    /**
     * @return Returns the peerID.
     */
    public short getPeerID() {
        return peerID;
    }

    /**
     * @return Returns the sentTime.
     */
    public int getSentTime() {
        return sentTime;
    }

    /**
     * @param challenge
     *            The challenge to set.
     */
    public void setChallenge(int challenge) {
        this.challenge = challenge;
    }

    /**
     * @param commandCount
     *            The commandCount to set.
     */
    public void setCommandCount(byte commandCount) {
        this.commandCount = commandCount;
    }

    /**
     * @param flags
     *            The flags to set.
     */
    public void setFlags(byte flags) {
        this.flags = flags;
    }

    /**
     * @param peerID
     *            The peerID to set.
     */
    public void setPeerID(short peerID) {
        this.peerID = peerID;
    }

    /**
     * @param sentTime
     *            The sentTime to set.
     */
    public void setSentTime(int sentTime) {
        this.sentTime = sentTime;
    }

    /*
     * (non-Javadoc)
     * 
     * @see net.jenet.Bufferable#toBuffer(java.nio.ByteBuffer)
     */
    public void toBuffer(ByteBuffer buffer) {
        buffer.putShort(peerID);
        buffer.put(flags);
        buffer.put(commandCount);
        buffer.putInt(sentTime);
        buffer.putInt(challenge);
    }

    public String toString() {
        return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);
    }

    /*
     * (non-Javadoc)
     * 
     * @see net.jenet.IByteSize#byteSize()
     */
    public int byteSize() {
        return BYTE_SIZE;
    }
}