?? socksupport.cpp
字號:
// SockSupport.cpp: implementation of the CSockSupport class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "SockSupport.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CSockSupport::CSockSupport(bool bAuto)
{
m_bSupported = FALSE;
if(bAuto)
Init();
}
CSockSupport::~CSockSupport()
{
if(m_bSupported)
Uninit();
}
int CSockSupport::Init(WORD wVersion /* = DEFAULT_VERSION */)
{
WSADATA wsaData;
if (WSAStartup(wVersion, &wsaData) != 0)
{
return WSAGetLastError();
}
//Confirm that the WinSock DLL supports 2.0
if(LOBYTE(wsaData.wVersion)!=LOBYTE(wVersion) ||
HIBYTE(wsaData.wVersion)!=HIBYTE(wVersion) )
{
WSACleanup();
return WSAGetLastError();
}
m_bSupported = TRUE;
return 0;
}
int CSockSupport::Uninit()
{
WSACleanup();
return 0;
}
BOOL CSockSupport::IsSupported()
{
return m_bSupported;
}
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