mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
153 lines
3.1 KiB
153 lines
3.1 KiB
/****************************************************************************
|
|
bcw.cpp
|
|
|
|
Owner: Srinik
|
|
Copyright (c) 1995 Microsoft Corporation
|
|
|
|
This file contains code for BCW class which implements wrappers for IBindCtx
|
|
and IRunningObjectTable. We use this object to trick the moniker binding
|
|
code to create a new instance of the object (that the moniker is
|
|
referring to) instead connecting to already running instance.
|
|
****************************************************************************/
|
|
|
|
// #include "hlmain.h"
|
|
#include "bcw.h"
|
|
|
|
ASSERTDATA
|
|
|
|
/****************************************************************************
|
|
Implementation of BCW methods.
|
|
****************************************************************************/
|
|
|
|
BCW::BCW(IBindCtx * pibc)
|
|
{
|
|
m_pibc = pibc;
|
|
pibc->AddRef();
|
|
m_cObjRef = 1;
|
|
DllAddRef();
|
|
}
|
|
|
|
BCW::~BCW()
|
|
{
|
|
m_pibc->Release();
|
|
DllRelease();
|
|
}
|
|
|
|
IBindCtx * BCW::Create(IBindCtx * pibc)
|
|
{
|
|
BCW * pbcw = new BCW(pibc);
|
|
|
|
if (pbcw == NULL)
|
|
return NULL;
|
|
|
|
if (! pbcw->m_ROT.FInitROTPointer())
|
|
{
|
|
delete pbcw;
|
|
return NULL;
|
|
}
|
|
|
|
return pbcw;
|
|
}
|
|
|
|
STDMETHODIMP BCW::QueryInterface(REFIID riid, void **ppvObj)
|
|
{
|
|
if (ppvObj == NULL)
|
|
return E_INVALIDARG;
|
|
|
|
if (riid == IID_IUnknown || riid == IID_IBindCtx)
|
|
{
|
|
*ppvObj = this;
|
|
}
|
|
else
|
|
{
|
|
*ppvObj = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
((IUnknown *) *ppvObj)->AddRef();
|
|
return NOERROR;
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) BCW::AddRef(void)
|
|
{
|
|
return ++m_cObjRef;
|
|
}
|
|
|
|
|
|
STDMETHODIMP_(ULONG) BCW::Release(void)
|
|
{
|
|
/* Decrement refcount, destroy object if refcount goes to zero.
|
|
Return the new refcount. */
|
|
if (!(--m_cObjRef))
|
|
{
|
|
delete this;
|
|
return 0;
|
|
}
|
|
|
|
return m_cObjRef;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
Implementation of BCW_ROT methods.
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
BCW_ROT is the IRunningObjectTable imlementation of BCW_ROT.
|
|
****************************************************************************/
|
|
|
|
BCW_ROT::BCW_ROT()
|
|
{
|
|
Debug(m_cRef = 0);
|
|
m_piROT = NULL;
|
|
}
|
|
|
|
BCW_ROT::~BCW_ROT()
|
|
{
|
|
if (m_piROT)
|
|
m_piROT->Release();
|
|
}
|
|
|
|
BOOL_PTR BCW_ROT::FInitROTPointer(void)
|
|
{
|
|
if (m_piROT == NULL)
|
|
{
|
|
if (GetRunningObjectTable(NULL/*reserved*/, &m_piROT) == NOERROR)
|
|
m_piROT->AddRef();
|
|
}
|
|
|
|
return (BOOL_PTR) (m_piROT);
|
|
}
|
|
|
|
|
|
inline BCW * BCW_ROT::PBCW()
|
|
{
|
|
return BACK_POINTER(this, m_ROT, BCW);
|
|
}
|
|
|
|
STDMETHODIMP BCW_ROT::QueryInterface(REFIID riid, void **ppvObj)
|
|
{
|
|
if (riid == IID_IUnknown || riid == IID_IRunningObjectTable)
|
|
{
|
|
*ppvObj = this;
|
|
}
|
|
else
|
|
{
|
|
*ppvObj = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
((IUnknown *) *ppvObj)->AddRef();
|
|
return NOERROR;
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) BCW_ROT::AddRef(void)
|
|
{
|
|
return PBCW()->AddRef();
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) BCW_ROT::Release(void)
|
|
{
|
|
return PBCW()->Release();
|
|
}
|
|
|