Source code of Windows XP (NT5)
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/******************************************************************************
Copyright (c) 2000 Microsoft Corporation
Module Name:
Config.cpp
Abstract:
This file contains the implementation of the MPCConfig class,
that extends the CISAPIconfig class.
Revision History:
Davide Massarenti (Dmassare) 05/02/99
created
******************************************************************************/
#include "stdafx.h"
static MPC::wstring l_DefaultInstance = L"DEFAULT";
static DWORD l_MaximumPacketSize = 64*1024;
HRESULT Config_GetInstance( /*[in] */ const MPC::wstring& szURL ,
/*[out]*/ CISAPIinstance*& isapiInstance ,
/*[out]*/ bool& fFound )
{
__ULT_FUNC_ENTRY("Config_GetInstance");
HRESULT hr;
CISAPIconfig::Iter it;
isapiInstance = NULL;
__MPC_EXIT_IF_METHOD_FAILS(hr, g_Config.GetInstance( it, fFound, szURL ));
if(fFound == false)
{
__MPC_EXIT_IF_METHOD_FAILS(hr, g_Config.GetInstance( it, fFound, l_DefaultInstance ));
}
if(fFound)
{
isapiInstance = &(*it);
}
hr = S_OK;
__ULT_FUNC_CLEANUP;
__ULT_FUNC_EXIT(hr);
}
HRESULT Config_GetProvider( /*[in] */ const MPC::wstring& szURL ,
/*[in] */ const MPC::wstring& szName ,
/*[out]*/ CISAPIprovider*& isapiProvider ,
/*[out]*/ bool& fFound )
{
__ULT_FUNC_ENTRY("Config_GetProvider");
HRESULT hr;
CISAPIinstance* isapiInstance;
CISAPIinstance::ProvIter it;
isapiProvider = NULL;
//
// First of all, check if the provider is supplied directly by the instance.
//
__MPC_EXIT_IF_METHOD_FAILS(hr, ::Config_GetInstance( szURL, isapiInstance, fFound ));
if(fFound == false)
{
__MPC_SET_ERROR_AND_EXIT(hr, S_OK);
}
__MPC_EXIT_IF_METHOD_FAILS(hr, isapiInstance->GetProvider( it, fFound, szName ));
if(fFound == false)
{
//
// No, the provider is not provided directly by this instance, try using the DEFAULT one.
//
__MPC_EXIT_IF_METHOD_FAILS(hr, ::Config_GetInstance( l_DefaultInstance, isapiInstance, fFound ));
if(fFound == false)
{
__MPC_SET_ERROR_AND_EXIT(hr, S_OK);
}
__MPC_EXIT_IF_METHOD_FAILS(hr, isapiInstance->GetProvider( it, fFound, szName ));
}
if(fFound)
{
isapiProvider = &((*it).second);
}
hr = S_OK;
__ULT_FUNC_CLEANUP;
__ULT_FUNC_EXIT(hr);
}
HRESULT Config_GetMaximumPacketSize( /*[in] */ const MPC::wstring& szURL ,
/*[out]*/ DWORD& dwMaximumPacketSize )
{
__ULT_FUNC_ENTRY("Config_GetMaximumPacketSize");
HRESULT hr;
CISAPIinstance* isapiInstance;
bool fFound;
dwMaximumPacketSize = l_MaximumPacketSize;
__MPC_EXIT_IF_METHOD_FAILS(hr, ::Config_GetInstance( szURL, isapiInstance, fFound ));
if(fFound)
{
__MPC_EXIT_IF_METHOD_FAILS(hr, isapiInstance->get_MaximumPacketSize( dwMaximumPacketSize ));
}
hr = S_OK;
__ULT_FUNC_CLEANUP;
__ULT_FUNC_EXIT(hr);
}
/////////////////////////////////////////////////////////////////////////////
HRESULT Util_CheckDiskSpace( /*[in] */ const MPC::wstring& szFile ,
/*[in] */ DWORD dwLowLevel ,
/*[out]*/ bool& fEnough )
{
__ULT_FUNC_ENTRY("Util_CheckDiskSpace");
HRESULT hr;
ULARGE_INTEGER liFree;
ULARGE_INTEGER liTotal;
fEnough = false;
__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::GetDiskSpace( szFile, liFree, liTotal ));
if(liFree.HighPart > 0 ||
liFree.LowPart > dwLowLevel )
{
fEnough = true;
}
hr = S_OK;
__ULT_FUNC_CLEANUP;
__ULT_FUNC_EXIT(hr);
}