TnbRapi.h

[詳解]

#pragma once
#ifdef _WIN32_WCE
    #error TnbRapi.h is only supported on Windows NT Series platforms.
#endif // _WIN32_WCE
 
#include "TnbDef.h"
#include <rapi.h>
#pragma comment(lib,"rapi.lib")
#ifdef __MSVCPP6__
    #pragma comment(lib, "delayimp.lib")
    #pragma comment(linker,"/DELAYLOAD:rapi.dll")
#endif
 
 
 
//TNB Library
namespace TNB
{
 
 
 
#ifndef _TnbDOXYGEN //Document作成用シンボル
 // 初期化済みフラグ
 _SELECTANY RAPIINIT* s_pRapiInit = NULL;
#endif
 
 
 
class CRapi
{
public:
 
    static bool Startup(void)
    {
        LONG* P = reinterpret_cast<LONG*>(&s_pRapiInit);
        if ( InterlockedCompareExchange(P, 1, NULL) == NULL )
        {
            HMODULE hModule = ::LoadLibraryA("rapi.dll");
            if ( hModule == NULL )
            {
                s_pRapiInit = NULL;
            }
            else
            {
                ::FreeLibrary(hModule);
                ASSERT( s_pRapiInit != NULL );
                RAPIINIT* P = new RAPIINIT;
                P->cbSize = sizeof(RAPIINIT);
                P->heRapiInit = NULL;
                P->hrRapiInit = NULL;
                static CReject s_reject;
                ::OutputDebugString(_T("::CeRapiInitEx() 中\n"));
                HRESULT hr = ::CeRapiInitEx(P);
                ::OutputDebugString(_T("::CeRapiInitEx() 完了\n"));
                if ( FAILED(hr) )
                {
                    delete P;
                    s_pRapiInit = NULL;
                }
                else
                {
                    s_pRapiInit = P;
                }
            }
        }
        while ( reinterpret_cast<UINT_PTR>(s_pRapiInit) == 1 )
        {
            ::Sleep(10);
        } 
        return s_pRapiInit != NULL;
    }
 
    static bool IsSupported(void)
    {
        Startup();
        return (s_pRapiInit != NULL);
    }   
 
    static bool IsConnected(DWORD time = 0)
    {
        if ( IsSupported() )
        {
            DWORD dwWaitRet = ::WaitForSingleObject(s_pRapiInit->heRapiInit, time);
            return (dwWaitRet == WAIT_OBJECT_0);
        }
        return false;
    }   
 
    static void Shutdown(void)
    {
        while ( reinterpret_cast<UINT_PTR>(s_pRapiInit) == 1 )
        {
            ::Sleep(10);
        } 
        if ( s_pRapiInit != NULL )
        {
            ::OutputDebugString(_T("::CeRapiUninit() 中\n"));
            ::CeRapiUninit();
            ::OutputDebugString(_T("::CeRapiUninit() 完了\n"));
            delete s_pRapiInit;
            s_pRapiInit = NULL;
        }
    }
 
private:
    CRapi(void) {}
    class CReject
    {
    public:
        ~CReject(void)
        {
            Shutdown();
        }
    };
};
 
 
 
}; //TNB