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DTLS Java Async Implementation Based on Bouncy Castle

There is a newer version: 1.0.19

package com.mobius.software.iot.dal.crypto;

/**
 * Mobius Software LTD
 * Copyright 2018, Mobius Software LTD
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

import io.netty.buffer.ByteBuf;

public class PendingMessageData 
{
	private ByteBuf buffer;
	private Integer wrottenBytes;
	
	public PendingMessageData(ByteBuf buffer)
	{
		this.buffer=buffer;
		this.wrottenBytes=0;
	}
	
	public void writeBytes(ByteBuf data,int position)
	{		
		int bytesToWrite=data.readableBytes();
		buffer.writerIndex(position);
		buffer.writeBytes(data);
		wrottenBytes+=bytesToWrite;
	}
	
	public Integer getWrottenBytes()
	{
		return wrottenBytes;
	}
	
	public ByteBuf getBuffer()
	{
		return buffer;
	}
}