99 lines
2 KiB
C++
99 lines
2 KiB
C++
|
#include "stock.h"
|
||
|
|
#pragma hdrstop
|
||
|
|
|
||
|
|
#include <profsvc.h>
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
IServiceProvider *psp;
|
||
|
|
GUID guidService;
|
||
|
|
DWORD dwCookie;
|
||
|
|
} SERVICE_ITEM;
|
||
|
|
|
||
|
|
#define _Item(i) (_hdsa ? (SERVICE_ITEM *)DSA_GetItemPtr(_hdsa, i) : NULL)
|
||
|
|
#define _Count() (_hdsa ? DSA_GetItemCount(_hdsa) : 0)
|
||
|
|
|
||
|
|
IProfferServiceImpl::IProfferServiceImpl() :
|
||
|
|
_hdsa(NULL),
|
||
|
|
_dwNextCookie(0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
IProfferServiceImpl::~IProfferServiceImpl()
|
||
|
|
{
|
||
|
|
for (int i = 0; i < _Count(); i++)
|
||
|
|
{
|
||
|
|
SERVICE_ITEM *psi = _Item(i);
|
||
|
|
if (psi)
|
||
|
|
{
|
||
|
|
IUnknown_Set((IUnknown **)&psi->psp, NULL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
DSA_Destroy(_hdsa);
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT IProfferServiceImpl::ProfferService(REFGUID rguidService, IServiceProvider *psp, DWORD *pdwCookie)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
if (!_hdsa)
|
||
|
|
{
|
||
|
|
_hdsa = DSA_Create(sizeof(SERVICE_ITEM), 4);
|
||
|
|
}
|
||
|
|
|
||
|
|
SERVICE_ITEM si;
|
||
|
|
|
||
|
|
si.psp = psp;
|
||
|
|
si.guidService = rguidService;
|
||
|
|
si.dwCookie = ++_dwNextCookie; // start at 1
|
||
|
|
|
||
|
|
if (_hdsa && (-1 != DSA_AppendItem(_hdsa, &si)))
|
||
|
|
{
|
||
|
|
psp->AddRef();
|
||
|
|
*pdwCookie = si.dwCookie;
|
||
|
|
hr = S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT IProfferServiceImpl::RevokeService(DWORD dwCookie)
|
||
|
|
{
|
||
|
|
HRESULT hr = E_INVALIDARG; // not found
|
||
|
|
|
||
|
|
for (int i = 0; i < _Count(); i++)
|
||
|
|
{
|
||
|
|
SERVICE_ITEM *psi = _Item(i);
|
||
|
|
if (psi && (psi->dwCookie == dwCookie))
|
||
|
|
{
|
||
|
|
IUnknown_Set((IUnknown **)&psi->psp, NULL);
|
||
|
|
DSA_DeleteItem(_hdsa, i);
|
||
|
|
hr = S_OK; // successful revoke
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT IProfferServiceImpl::QueryService(REFGUID guidService, REFIID riid, void **ppv)
|
||
|
|
{
|
||
|
|
HRESULT hr = E_FAIL; // did not find the service object
|
||
|
|
|
||
|
|
*ppv = NULL;
|
||
|
|
|
||
|
|
for (int i = 0; i < _Count(); i++)
|
||
|
|
{
|
||
|
|
SERVICE_ITEM *psi = _Item(i);
|
||
|
|
if (psi && IsEqualGUID(psi->guidService, guidService))
|
||
|
|
{
|
||
|
|
hr = psi->psp->QueryService(guidService, riid, ppv);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|