windows-nt/Source/XPSP1/NT/net/homenet/config/inc/sprtmapc.h
2020-09-26 16:20:57 +08:00

270 lines
7 KiB
C++

// SPrtMapC.h : Declaration of the CStaticPortMappingCollection
#ifndef __STATICPORTMAPPINGCOLLECTION_H_
#define __STATICPORTMAPPINGCOLLECTION_H_
#include "dprtmapc.h" // everything goes through CEnumDynamicPortMappingCollection
#include "sportmap.h"
/////////////////////////////////////////////////////////////////////////////
// CStaticPortMappingCollection
class ATL_NO_VTABLE CStaticPortMappingCollection :
public CComObjectRootEx<CComSingleThreadModel>,
// public CComCoClass<CStaticPortMappingCollection, &CLSID_StaticPortMappingCollection>,
public IDispatchImpl<IStaticPortMappingCollection, &IID_IStaticPortMappingCollection, &LIBID_NATUPNPLib>
{
private:
CComPtr<IUPnPService> m_spUPS;
public:
CStaticPortMappingCollection()
{
}
//DECLARE_REGISTRY_RESOURCEID(IDR_STATICPORTMAPPINGCOLLECTION)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CStaticPortMappingCollection)
COM_INTERFACE_ENTRY(IStaticPortMappingCollection)
COM_INTERFACE_ENTRY(IDispatch)
END_COM_MAP()
// IStaticPortMappingCollection
public:
STDMETHOD(get__NewEnum)(/*[out, retval]*/ IUnknown* *pVal);
STDMETHOD(get_Item)(/*[in]*/ long lExternalPort, /*[in]*/ BSTR bstrProtocol, /*[out, retval]*/ IStaticPortMapping ** ppSPM);
STDMETHOD(get_Count)(/*[out, retval]*/ long *pVal);
STDMETHOD(Remove)(/*[in]*/ long lExternalPort, /*[in]*/ BSTR bstrProtocol);
STDMETHOD(Add)(/*[in]*/ long lExternalPort, /*[in]*/ BSTR bstrProtocol, /*[in]*/ long lInternalPort, /*[in]*/ BSTR bstrInternalClient, /*[in]*/ VARIANT_BOOL bEnabled, /*[in]*/ BSTR bstrDescription, /*[out, retval]*/ IStaticPortMapping ** ppSPM);
// CStaticPortMappingCollection
public:
HRESULT Initialize (IUPnPService * pUPS);
};
// quickie enumerator
class CEnumStaticPortMappingCollection : public IEnumVARIANT
{
private:
CComPtr<IEnumVARIANT> m_spEV;
CComPtr<IUPnPService> m_spUPS;
long m_index, m_refs;
CEnumStaticPortMappingCollection ()
{
m_refs = 0;
m_index = 0;
}
HRESULT Init (IUPnPService * pUPS)
{
m_spUPS = pUPS; // we need to hang onto this for the Clone method
CComPtr<IEnumVARIANT> spEV =
CEnumDynamicPortMappingCollection::CreateInstance (pUPS);
if (!spEV)
return E_OUTOFMEMORY;
m_spEV = spEV;
return S_OK;
}
public:
static IEnumVARIANT * CreateInstance (IUPnPService * pUPS)
{
CEnumStaticPortMappingCollection * pCEV = new CEnumStaticPortMappingCollection ();
if (!pCEV)
return NULL;
HRESULT hr = pCEV->Init (pUPS);
if (FAILED(hr)) {
delete pCEV;
return NULL;
}
IEnumVARIANT * pIEV = NULL;
pCEV->AddRef();
pCEV->QueryInterface (IID_IEnumVARIANT, (void**)&pIEV);
pCEV->Release();
return pIEV;
}
// IUnknown
virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID riid, void ** ppvObject)
{
NAT_API_ENTER
if (ppvObject)
*ppvObject = NULL;
else
return E_POINTER;
HRESULT hr = S_OK;
if ((riid == IID_IUnknown) ||
(riid == IID_IEnumVARIANT) ){
AddRef();
*ppvObject = (void *)this;
} else
hr = E_NOINTERFACE;
return hr;
NAT_API_LEAVE
}
virtual ULONG STDMETHODCALLTYPE AddRef ()
{
return InterlockedIncrement ((PLONG)&m_refs);
}
virtual ULONG STDMETHODCALLTYPE Release ()
{
ULONG l = InterlockedDecrement ((PLONG)&m_refs);
if (l == 0)
delete this;
return l;
}
// IEnumVARIANT
virtual HRESULT STDMETHODCALLTYPE Next (/*[in]*/ ULONG celt, /*[out, size_is(celt), length_is(*pCeltFetched)]*/ VARIANT * rgVar, /*[out]*/ ULONG * pCeltFetched)
{
NAT_API_ENTER
// pass everything to contained dynamic portmapping enumerator
// clear stuff being passed in (just in case)
if (pCeltFetched) *pCeltFetched = 0;
for (ULONG i=0; i<celt; i++)
VariantInit (&rgVar[i]);
HRESULT hr = S_OK;
// get the next celt elements
for (i=0; i<celt; i++) {
CComVariant cv;
hr = m_spEV->Next (1, &cv, NULL);
if (hr != S_OK)
break;
// all static port mappings are in the beginning of NAT's array:
// we can stop as soon as we hit a dynamic one.
CComPtr<IDynamicPortMapping> spDPM = NULL;
V_DISPATCH (&cv)->QueryInterface (__uuidof(IDynamicPortMapping),
(void**)&spDPM);
_ASSERT (spDPM != NULL); // can't fail
if (!IsStaticPortMapping (spDPM))
i--; // try next one.
else {
// create a static port map object out of a dynamic object.
CComPtr<IStaticPortMapping> spSPM =
CStaticPortMapping::CreateInstance (spDPM);
if (!spSPM) {
hr = E_OUTOFMEMORY;
break;
}
V_VT (&rgVar[i]) = VT_DISPATCH;
spSPM->QueryInterface (__uuidof(IDispatch),
(void**)&V_DISPATCH (&rgVar[i]));
}
}
if (hr == HRESULT_FROM_WIN32 (ERROR_FILE_NOT_FOUND))
hr = S_OK; // no more; will return S_FALSE below
if (FAILED(hr)) {
// on error clear variant array....
for (ULONG j=0; j<i; j++)
VariantClear (&rgVar[j]);
return hr;
}
// now update index
m_index += i;
// fill out how many we're returning
if (pCeltFetched)
*pCeltFetched = i;
return i < celt ? S_FALSE : S_OK;
NAT_API_LEAVE
}
virtual HRESULT STDMETHODCALLTYPE Skip (/*[in]*/ ULONG celt)
{
NAT_API_ENTER
HRESULT hr = S_OK;
for (ULONG i=0; i<celt; i++) {
CComVariant cv;
hr = Next (1, &cv, NULL);
if (hr != S_OK)
break;
}
m_index += i;
if (FAILED(hr))
return hr;
if (i != celt)
return S_FALSE;
return S_OK;
NAT_API_LEAVE
}
virtual HRESULT STDMETHODCALLTYPE Reset ()
{
NAT_API_ENTER
m_index = 0;
return m_spEV->Reset ();
NAT_API_LEAVE
}
virtual HRESULT STDMETHODCALLTYPE Clone (/*[out]*/ IEnumVARIANT ** ppEnum)
{
NAT_API_ENTER
if (!ppEnum)
return E_POINTER;
if (!(*ppEnum = CreateInstance (m_spUPS)))
return E_OUTOFMEMORY;
return (*ppEnum)->Skip (m_index);
NAT_API_LEAVE
}
private:
static BOOL IsStaticPortMapping (IDynamicPortMapping * pDPM)
{
/* is it dynamic?
lease must be infinite (i.e. 0)
remote host must be wildcard (i.e. "")
ports must match
*/
long lLease = -1;
HRESULT hr = pDPM->get_LeaseDuration (&lLease);
if (FAILED(hr))
return FALSE;
if (lLease != 0)
return FALSE;
CComBSTR cbRemoteHost;
hr = pDPM->get_RemoteHost (&cbRemoteHost);
if (FAILED(hr))
return FALSE;
if (wcscmp(cbRemoteHost, L""))
return FALSE;
// still here? must be static!
return TRUE;
}
};
#endif //__STATICPORTMAPPINGCOLLECTION_H_