message.cpp

网络文件接收和发送程序。注释详尽。对于理解socket的机能

#include "stdafx.h"
#include "Message.h"

//默认的构造函数
CMessage::CMessage()
{
	m_nType = -1;

	m_strFileName = _T("");
	m_dwFileSize = 0;
}

//只需发送一般的控制信息是使用
CMessage::CMessage(int nType)
{
	m_nType = nType;
	
	m_strFileName = _T("");
	m_dwFileSize = 0;
}

//需要发送文件名及大小时使用
CMessage::CMessage(int nType, CString strFileName, DWORD dwFileSize)
{
	m_nType = nType;
	
	m_strFileName = strFileName;
	m_dwFileSize = dwFileSize;
}

CMessage::~CMessage()
{
}

void CMessage::Serialize(CArchive &ar)
{
	if (ar.IsStoring())
	{
		ar << m_nType;

		ar << m_strFileName;
		ar << m_dwFileSize;
	}
	else
	{
		ar >> m_nType;

		ar >> m_strFileName;
		ar >> m_dwFileSize;
	}
}