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Network Development Kit 2.0

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29 Dec 2006CPOL 2.9M   25.7K   495  
Network Development Kit is a set of simple classes for a client-server architecture.
////////////////////////////////////////////////////////////////////////////////
//                                                                            //
// NDK 2.0 - Network Development Kit                                          //
//                                                                            //
// Authors: Sebastien Lachance                                                //
//                                                                            //
// E-mail:  netblitz@rocler.qc.ca                                             //
//                                                                            //
// -------------------------------------------------------------------------- //
//                                                                            //
// Permission to use, copy, modify, and distribute this software for any      //
// purpose and without fee is hereby granted. This is no guarantee about the  //
// use of this software. For any comments, bugs or thanks, please email us.   //
//                                                                            //
// -------------------------------------------------------------------------- //
//                                                                            //
// Targeted Platform: Any Windows version                                     //
//                                                                            //
// Last modification: January 2002                                            //
//                                                                            //
// History:                                                                   //
//                                                                            //
// 1- First release of this file.                                             //
// 2- The class is renamed and some optimizations are applied. Hungarian      //
//    notation is used.                                                       //
//                                                                            //                                                                            //
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
// Includes                                                                   //
////////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "NDKDataBuffer.h"


////////////////////////////////////////////////////////////////////////////////
// Constructors / Destructor                                                  //
////////////////////////////////////////////////////////////////////////////////

// Constructor.
CNDKDataBuffer::CNDKDataBuffer()
{
	m_pData = NULL;
	m_unLength = 0;
}


// Constructor with untyped data.
CNDKDataBuffer::CNDKDataBuffer(LPVOID pData, UINT unLength)
{
	m_unLength = unLength;

	if (m_unLength == 0)
	{
		m_pData = NULL;
	}
	else
	{
		m_pData = malloc(unLength);
		memcpy(m_pData, pData, unLength);
	}
}


// Destructor.
CNDKDataBuffer::~CNDKDataBuffer()
{
	if (m_pData != NULL)
	{
		free(m_pData);
		m_pData = NULL;
	}
}


////////////////////////////////////////////////////////////////////////////////
// Attributes                                                                 //
////////////////////////////////////////////////////////////////////////////////

// Sets the buffer.
void CNDKDataBuffer::SetBuffer(LPVOID pData, UINT unLength)
{
	if (m_pData != NULL)
	{
		free(m_pData);
		m_pData = NULL;
	}

	m_unLength = unLength;

	if (m_unLength == 0)
	{
		m_pData = NULL;
	}
	else
	{
		m_pData = malloc(unLength);
		memcpy(m_pData, pData, unLength);
	}
}


// Gets the buffer.
LPVOID CNDKDataBuffer::GetBuffer() const
{
	return m_pData;
}


// Gets the length of the buffer.
UINT CNDKDataBuffer::GetLength() const
{
	return m_unLength;
}


////////////////////////////////////////////////////////////////////////////////
// Operation.                                                                 //
////////////////////////////////////////////////////////////////////////////////

// Serializes this object.
void CNDKDataBuffer::Serialize(CArchive& archive)
{
	if (archive.IsStoring())
	{
		archive << m_unLength;

		if (m_unLength > 0)
			archive.Write(m_pData, m_unLength);
	}
	else
	{
		if (m_pData != NULL)
			free(m_pData);

		archive >> m_unLength;

		if (m_unLength > 0)
		{
			m_pData = malloc(m_unLength);

			archive.Read(m_pData, m_unLength);
		}
	}	
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer (Senior) Mirego
Canada Canada
My name is Sébastien Lachance.

I love C# developing Windows Phone and Windows 8 applications.

When I’m not in front of a computer, my hobbies include playing bridge, poker and other card games, biking, reading technology news.

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