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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 "NDKUser.h"
#include "NDKServerSocket.h"


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

// Constructor.
CNDKUser::CNDKUser()
{
	m_lId = 0;
	m_pServerSocket = NULL;
}


// Constructor with initialization.
CNDKUser::CNDKUser(long lId, CNDKServerSocket* pServerSocket)
{
	ASSERT((lId > 0) && (pServerSocket != NULL));

	m_lId = lId;
	m_pServerSocket = pServerSocket;
}


// Destructor.
CNDKUser::~CNDKUser()
{
}


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

// Gets the Id.
long CNDKUser::GetId() const
{
	return m_lId;
}


// Returns if the socket is the same as specified.
BOOL CNDKUser::IsSocketEqual(CNDKServerSocket* pServerSocket) const
{
	return m_pServerSocket == pServerSocket;
}


// Returns if the buffer of the socket is empty.
BOOL CNDKUser::IsSocketBufferEmpty() const
{
	ASSERT(m_pServerSocket != NULL);

	BOOL bResult = TRUE;

	if (m_pServerSocket != NULL)
		bResult = m_pServerSocket->IsBufferEmpty();

	return bResult;
}


////////////////////////////////////////////////////////////////////////////////
// Operations                                                                 //
////////////////////////////////////////////////////////////////////////////////

// Sends a message.
BOOL CNDKUser::SendMessage(CNDKMessage& message)
{
	ASSERT(m_pServerSocket != NULL);

	BOOL bResult = FALSE;

	if (m_pServerSocket != NULL)
	{
		TRY
		{
			m_pServerSocket->SendMessage(message);
			bResult = TRUE;
		}
		CATCH(CFileException, e)
		{
			m_pServerSocket->Close();
		}
		CATCH(CArchiveException, e)
		{
			m_pServerSocket->Close();
		}
		END_CATCH
	}

	return bResult;
}


// Reads a message.
BOOL CNDKUser::ReadMessage(CNDKMessage& message)
{
	ASSERT(m_pServerSocket != NULL);

	BOOL bResult = TRUE;

	if (m_pServerSocket != NULL)
	{
		TRY
		{
			m_pServerSocket->ReceiveMessage(message);
		}
		CATCH_ALL(e)
		{
			bResult = FALSE;
		}
		END_CATCH_ALL
	}

	return bResult;
}


// Closes the socket.
void CNDKUser::CloseSocket()
{
	if (m_pServerSocket != NULL)
	{
		m_pServerSocket->ShutDown();
		m_pServerSocket->Close();

		delete m_pServerSocket;
		m_pServerSocket = NULL;
	}
}


////////////////////////////////////////////////////////////////////////////////
// Operators                                                                  //
////////////////////////////////////////////////////////////////////////////////

// Comparison operator.
BOOL CNDKUser::operator==(const CNDKUser& user) const
{
	return (m_lId == user.m_lId) && (m_pServerSocket == user.m_pServerSocket);
}

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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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