105 lines
2.4 KiB
C++
Executable File
105 lines
2.4 KiB
C++
Executable File
#include "stdafx.h"
|
|
|
|
#include "CMMN.h"
|
|
|
|
#include <Shlobj.h>
|
|
|
|
#include <sstream>
|
|
#include <windows.h>
|
|
#include <WinIOCtl.h>
|
|
|
|
|
|
/*************************************************************************************************/
|
|
/*************************************************************************************************/
|
|
/*************************************************************************************************/
|
|
|
|
CInterprocessStorage *CInterprocessStorage::Create(const TCHAR *Name, std::wstring& String)
|
|
{
|
|
CInterprocessStorage *storage = Create( Name );
|
|
if ( !storage )
|
|
return NULL;
|
|
|
|
storage->SetString( String );
|
|
return storage;
|
|
}
|
|
|
|
CInterprocessStorage *CInterprocessStorage::Create(const TCHAR *Name)
|
|
{
|
|
if ( !Name )
|
|
return NULL;
|
|
|
|
HANDLE hMap = CreateFileMapping( NULL, NULL, PAGE_READWRITE, 0, MaxSize, Name );
|
|
if ( hMap )
|
|
{
|
|
LPVOID view = MapViewOfFile( hMap, FILE_MAP_ALL_ACCESS, 0, 0, 0 );
|
|
if ( view )
|
|
{
|
|
memset( view, 0, MaxSize );
|
|
return new CInterprocessStorage( Name, hMap, view );
|
|
}
|
|
|
|
CloseHandle( hMap );
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
CInterprocessStorage *CInterprocessStorage::Open(const TCHAR *Name)
|
|
{
|
|
if ( !Name )
|
|
return NULL;
|
|
|
|
HANDLE hMap = OpenFileMapping( FILE_MAP_ALL_ACCESS, TRUE, Name );
|
|
if ( hMap )
|
|
{
|
|
LPVOID view = MapViewOfFile( hMap, FILE_MAP_ALL_ACCESS, 0, 0, 0 );
|
|
if ( view )
|
|
return new CInterprocessStorage( Name, hMap, view );
|
|
|
|
CloseHandle( hMap );
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
CInterprocessStorage::CInterprocessStorage(const TCHAR *Name, HANDLE Mapping, LPVOID Base)
|
|
: _Name(Name), _hMapping(Mapping), _pBase(Base)
|
|
{
|
|
}
|
|
|
|
std::wstring CInterprocessStorage::GetName()
|
|
{
|
|
return std::wstring( _Name );
|
|
}
|
|
|
|
void CInterprocessStorage::GetString(std::wstring &String)
|
|
{
|
|
String.assign( reinterpret_cast<TCHAR *>(_pBase) );
|
|
}
|
|
|
|
void CInterprocessStorage::SetString(std::wstring &String)
|
|
{
|
|
size_t count = min( String.size(), MaxCount - 1 );
|
|
memcpy( _pBase, String.data(), count * sizeof(TCHAR) );
|
|
*(reinterpret_cast<TCHAR *>(_pBase) + count) = 0;
|
|
}
|
|
|
|
bool CInterprocessStorage::GetString( const TCHAR *Name, std::wstring& String )
|
|
{
|
|
CInterprocessStorage *storage = Open( Name );
|
|
if ( !storage )
|
|
return false;
|
|
|
|
storage->GetString( String );
|
|
delete storage;
|
|
|
|
return true;
|
|
}
|
|
|
|
CInterprocessStorage::~CInterprocessStorage()
|
|
{
|
|
UnmapViewOfFile( _pBase );
|
|
CloseHandle( _hMapping );
|
|
}
|
|
|