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.
910 lines
20 KiB
910 lines
20 KiB
//+-------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
//
|
|
// Copyright (C) Microsoft Corporation, 2000
|
|
//
|
|
// File: cimmap.cpp
|
|
//
|
|
//
|
|
// This file contains routines that will establish a mapping between
|
|
// Wdm class instances and Cdm class instances. See
|
|
// MapWdmClassToCimClass for more information.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#include <windows.h>
|
|
#include <wbemidl.h>
|
|
|
|
#include "debug.h"
|
|
#include "wbemmisc.h"
|
|
#include "useful.h"
|
|
#include "cimmap.h"
|
|
|
|
HRESULT WdmInstanceNameToPnPId(
|
|
IWbemServices *pWdmServices,
|
|
BSTR WdmInstanceName,
|
|
VARIANT /* FREE */ *PnPId
|
|
)
|
|
/*+++
|
|
|
|
Routine Description:
|
|
|
|
This routine will convert a Wdm instance name into its
|
|
corresponding pnp id
|
|
|
|
Arguments:
|
|
|
|
pWdmServices is the pointer to the root\wmi namespace
|
|
|
|
WdmInstanceName
|
|
|
|
*PnPId returns with the pnp id
|
|
|
|
Return Value:
|
|
|
|
HRESULT
|
|
|
|
---*/
|
|
{
|
|
WCHAR Query[2 * MAX_PATH];
|
|
WCHAR s[MAX_PATH];
|
|
BSTR sQuery;
|
|
HRESULT hr;
|
|
IEnumWbemClassObject *pWdmEnumInstances;
|
|
IWbemClassObject *pWdmInstance;
|
|
ULONG Count;
|
|
BSTR sWQL;
|
|
|
|
WmipAssert(pWdmServices != NULL);
|
|
WmipAssert(WdmInstanceName != NULL);
|
|
WmipAssert(PnPId != NULL);
|
|
|
|
sWQL = SysAllocString(L"WQL");
|
|
|
|
if (sWQL != NULL)
|
|
{
|
|
//
|
|
// First get PnP id from Instance name from the MSWmi_PnPDeviceId
|
|
// class (select * from MSWMI_PnPDeviceId where InstanceName =
|
|
// "<WdmInstanceName>"
|
|
//
|
|
wsprintfW(Query,
|
|
L"select * from MSWmi_PnPDeviceId where InstanceName = \"%ws\"",
|
|
AddSlashesToStringW(s, WdmInstanceName));
|
|
sQuery = SysAllocString(Query);
|
|
if (sQuery != NULL)
|
|
{
|
|
hr = pWdmServices->ExecQuery(sWQL,
|
|
sQuery,
|
|
WBEM_FLAG_FORWARD_ONLY |
|
|
WBEM_FLAG_ENSURE_LOCATABLE,
|
|
NULL,
|
|
&pWdmEnumInstances);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = pWdmEnumInstances->Next(WBEM_INFINITE,
|
|
1,
|
|
&pWdmInstance,
|
|
&Count);
|
|
if ((hr == WBEM_S_NO_ERROR) &&
|
|
(Count == 1))
|
|
{
|
|
hr = WmiGetProperty(pWdmInstance,
|
|
L"PnPDeviceId",
|
|
CIM_STRING,
|
|
PnPId);
|
|
|
|
pWdmInstance->Release();
|
|
}
|
|
|
|
pWdmEnumInstances->Release();
|
|
} else {
|
|
WmipDebugPrint(("CDMPROV: Query %ws failed %x\n",
|
|
sQuery, hr));
|
|
}
|
|
|
|
SysFreeString(sQuery);
|
|
} else {
|
|
hr = WBEM_E_OUT_OF_MEMORY;
|
|
}
|
|
|
|
SysFreeString(sWQL);
|
|
} else {
|
|
hr = WBEM_E_OUT_OF_MEMORY;
|
|
}
|
|
|
|
return(hr);
|
|
}
|
|
|
|
HRESULT FindCimClassByWdmInstanceName(
|
|
IN IWbemServices *pWdmServices,
|
|
IN IWbemServices *pCimServices,
|
|
IN BSTR CimClassName,
|
|
IN BSTR WdmInstanceName,
|
|
OUT BSTR *PnPId,
|
|
OUT BSTR /* FREE */ *CimRelPath
|
|
)
|
|
/*+++
|
|
|
|
Routine Description:
|
|
|
|
This routine will find the Cim class instance that corresponds to a
|
|
particular Wdm class instance
|
|
|
|
Arguments:
|
|
|
|
pWdmServices is the pointer to the root\wmi namespace
|
|
|
|
pCdmServices is the pointer to the root\cimv2 namespace
|
|
|
|
CimClassName is the name of the cim class that the wdm instance
|
|
would map to
|
|
|
|
WdmInstanceName
|
|
|
|
*PnPId returns with the PnP id for the device stack
|
|
|
|
*CimRelPath returns with the relpath for the Cim instance
|
|
|
|
Return Value:
|
|
|
|
HRESULT
|
|
|
|
---*/
|
|
{
|
|
HRESULT hr;
|
|
VARIANT v;
|
|
IEnumWbemClassObject *pCimEnumInstances;
|
|
IWbemClassObject *pCimInstance;
|
|
ULONG Count;
|
|
BSTR sWQL;
|
|
|
|
WmipAssert(pWdmServices != NULL);
|
|
WmipAssert(pCimServices != NULL);
|
|
WmipAssert(CimClassName != NULL);
|
|
WmipAssert(WdmInstanceName != NULL);
|
|
WmipAssert(CimRelPath != NULL);
|
|
|
|
sWQL = SysAllocString(L"WQL");
|
|
|
|
if (sWQL != NULL)
|
|
{
|
|
|
|
// ****************************************************************
|
|
// Note: Net cards need to do something similar. We get the
|
|
// netcard address in class MSNDIS_???? and then get the CIM class
|
|
// by matching the netcard addresses.
|
|
// ****************************************************************
|
|
|
|
//
|
|
// First thing is to convert from an instance name to a pnpid
|
|
//
|
|
hr = WdmInstanceNameToPnPId(pWdmServices,
|
|
WdmInstanceName,
|
|
&v);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
//
|
|
// Next select * from CimClassName where PnPDeviceId = "<PnPDevice
|
|
// Id from above>".
|
|
//
|
|
WCHAR Query[2 * MAX_PATH];
|
|
WCHAR s[MAX_PATH];
|
|
BSTR sQuery;
|
|
|
|
wsprintfW(Query,
|
|
L"select * from %ws where PnPDeviceId = \"%ws\"",
|
|
CimClassName,
|
|
AddSlashesToStringW(s, v.bstrVal));
|
|
*PnPId = v.bstrVal;
|
|
|
|
sQuery = SysAllocString(Query);
|
|
|
|
if (sQuery != NULL)
|
|
{
|
|
hr = pCimServices->ExecQuery(sWQL,
|
|
sQuery,
|
|
WBEM_FLAG_FORWARD_ONLY |
|
|
WBEM_FLAG_ENSURE_LOCATABLE,
|
|
NULL,
|
|
&pCimEnumInstances);
|
|
|
|
SysFreeString(sQuery);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = pCimEnumInstances->Next(WBEM_INFINITE,
|
|
1,
|
|
&pCimInstance,
|
|
&Count);
|
|
if ((hr == WBEM_S_NO_ERROR) &&
|
|
(Count == 1))
|
|
{
|
|
|
|
//
|
|
// Finally grab the relpath from cim class and we're done
|
|
//
|
|
|
|
hr = WmiGetProperty(pCimInstance,
|
|
L"__RELPATH",
|
|
CIM_STRING,
|
|
&v);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
*CimRelPath = SysAllocString(v.bstrVal);
|
|
if (*CimRelPath == NULL)
|
|
{
|
|
hr = WBEM_E_OUT_OF_MEMORY;
|
|
}
|
|
|
|
VariantClear(&v);
|
|
}
|
|
|
|
pCimInstance->Release();
|
|
}
|
|
|
|
pCimEnumInstances->Release();
|
|
} else {
|
|
WmipDebugPrint(("CDMPROV: Query %ws failed %x\n",
|
|
Query, hr));
|
|
}
|
|
|
|
} else {
|
|
hr = WBEM_E_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
|
|
SysFreeString(sWQL);
|
|
} else {
|
|
hr = WBEM_E_OUT_OF_MEMORY;
|
|
}
|
|
|
|
|
|
return(hr);
|
|
}
|
|
|
|
HRESULT GetEnumCount(
|
|
IN IEnumWbemClassObject *pEnumInstances,
|
|
OUT int *RelPathCount
|
|
)
|
|
/*+++
|
|
|
|
Routine Description:
|
|
|
|
This routine will return the count of instances in the enumeration
|
|
|
|
Arguments:
|
|
|
|
pEnumInstance is the instance enumerator
|
|
|
|
*RelPathCount returns the number of instances in the enumeration
|
|
|
|
Return Value:
|
|
|
|
HRESULT
|
|
|
|
---*/
|
|
{
|
|
ULONG Count;
|
|
HRESULT hr;
|
|
IWbemClassObject *pInstance;
|
|
|
|
WmipAssert(pEnumInstances != NULL);
|
|
WmipAssert(RelPathCount != NULL);
|
|
|
|
*RelPathCount = 0;
|
|
do
|
|
{
|
|
hr = pEnumInstances->Next(WBEM_INFINITE,
|
|
1,
|
|
&pInstance,
|
|
&Count);
|
|
|
|
if ((hr == WBEM_S_NO_ERROR) &&
|
|
(Count == 1))
|
|
{
|
|
(*RelPathCount)++;
|
|
pInstance->Release();
|
|
} else {
|
|
if (hr == WBEM_S_FALSE)
|
|
{
|
|
hr = WBEM_S_NO_ERROR;
|
|
}
|
|
break;
|
|
}
|
|
} while (TRUE);
|
|
|
|
return(hr);
|
|
}
|
|
|
|
HRESULT AllocateBstrArrays(
|
|
ULONG Size,
|
|
CBstrArray *WdmRelPaths,
|
|
CBstrArray *CimRelPaths,
|
|
CBstrArray *WdmInstanceNames,
|
|
CBstrArray *PnPDeviceIds,
|
|
CBstrArray *FriendlyName,
|
|
CBstrArray *DeviceDesc
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = WdmRelPaths->Initialize(Size);
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = CimRelPaths->Initialize(Size);
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = WdmInstanceNames->Initialize(Size);
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = PnPDeviceIds->Initialize(Size);
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = FriendlyName->Initialize(Size);
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = DeviceDesc->Initialize(Size);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// We don't worry about cleaning up in the case of a failure since
|
|
// the destructors for CBstrArray will take care of that for us
|
|
//
|
|
|
|
return(hr);
|
|
}
|
|
|
|
HRESULT GetDeviceProperties(
|
|
IN IWbemContext *pCtx,
|
|
IN IWbemServices *pWdmServices,
|
|
IN PWCHAR InstanceName,
|
|
OUT BSTR *FriendlyName,
|
|
OUT BSTR *DeviceDesc
|
|
)
|
|
{
|
|
HRESULT hr, hrDontCare;
|
|
VARIANT v;
|
|
IWbemClassObject *pInstance;
|
|
|
|
WmipAssert(pWdmServices != NULL);
|
|
WmipAssert(InstanceName != NULL);
|
|
WmipAssert(FriendlyName != NULL);
|
|
WmipAssert(DeviceDesc != NULL);
|
|
|
|
hr = GetInstanceOfClass(pCtx,
|
|
pWdmServices,
|
|
L"MSWmi_ProviderInfo",
|
|
L"InstanceName",
|
|
InstanceName,
|
|
NULL,
|
|
&pInstance);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hrDontCare = WmiGetProperty(pInstance,
|
|
L"FriendlyName",
|
|
CIM_STRING,
|
|
&v);
|
|
if (hrDontCare == WBEM_S_NO_ERROR)
|
|
{
|
|
*FriendlyName = v.bstrVal;
|
|
} else {
|
|
*FriendlyName = NULL;
|
|
}
|
|
|
|
hrDontCare = WmiGetProperty(pInstance,
|
|
L"Description",
|
|
CIM_STRING,
|
|
&v);
|
|
if (hrDontCare == WBEM_S_NO_ERROR)
|
|
{
|
|
*DeviceDesc = v.bstrVal;
|
|
} else {
|
|
*DeviceDesc = NULL;
|
|
}
|
|
|
|
pInstance->Release();
|
|
}
|
|
|
|
return(hr);
|
|
}
|
|
|
|
|
|
HRESULT MapWdmClassToCimClassViaPnpId(
|
|
IWbemContext *pCtx,
|
|
IN IWbemServices *pWdmServices,
|
|
IN IWbemServices *pCimServices,
|
|
IN BSTR WdmClassName,
|
|
IN BSTR CimClassName,
|
|
OUT CBstrArray *PnPDeviceIds,
|
|
OUT CBstrArray *FriendlyName,
|
|
OUT CBstrArray *DeviceDesc,
|
|
OUT CBstrArray *WdmInstanceNames,
|
|
OUT CBstrArray *WdmRelPaths,
|
|
OUT CBstrArray *CimRelPaths,
|
|
OUT int *RelPathCount
|
|
)
|
|
/*+++
|
|
|
|
Routine Description:
|
|
|
|
This routine will perform a mapping between the instances of WDM
|
|
classes and Cim Classes
|
|
|
|
Arguments:
|
|
|
|
pWdmServices
|
|
|
|
pCdmServices
|
|
|
|
WdmClassName
|
|
|
|
CimClassName
|
|
|
|
*PnPDeviceIds return with the an array of PnP device ids
|
|
|
|
*WdmInstanceNames returns with an array of Wdm instnace names
|
|
|
|
*WdmRelPaths returns with an array of relpaths to Wdm instances
|
|
|
|
*CimRelpaths returns with an array of relapaths to Cim instance
|
|
|
|
*RelPathCount returns with the count of instances that are mapped
|
|
|
|
Return Value:
|
|
|
|
HRESULT
|
|
|
|
---*/
|
|
{
|
|
IWbemClassObject *pWdmInstance;
|
|
IEnumWbemClassObject *pWdmEnumInstances;
|
|
HRESULT hr;
|
|
int i, NumberWdmInstances;
|
|
VARIANT v;
|
|
ULONG Count;
|
|
BSTR bstr1, bstr2;
|
|
BSTR f,d;
|
|
|
|
WmipAssert(pWdmServices != NULL);
|
|
WmipAssert(pCimServices != NULL);
|
|
WmipAssert(WdmClassName != NULL);
|
|
WmipAssert(CimClassName != NULL);
|
|
WmipAssert(RelPathCount != NULL);
|
|
WmipAssert((PnPDeviceIds != NULL) && ( ! PnPDeviceIds->IsInitialized()));
|
|
WmipAssert((FriendlyName != NULL) && ( ! FriendlyName->IsInitialized()));
|
|
WmipAssert((DeviceDesc != NULL) && ( ! DeviceDesc->IsInitialized()));
|
|
WmipAssert((WdmInstanceNames != NULL) && (! WdmInstanceNames->IsInitialized()));
|
|
WmipAssert((WdmRelPaths != NULL) && ( ! WdmRelPaths->IsInitialized()));
|
|
WmipAssert((CimRelPaths != NULL) && ( ! CimRelPaths->IsInitialized()));
|
|
|
|
//
|
|
// Get all instances of the Wdm Class
|
|
//
|
|
hr = pWdmServices->CreateInstanceEnum(WdmClassName,
|
|
WBEM_FLAG_USE_AMENDED_QUALIFIERS |
|
|
WBEM_FLAG_SHALLOW,
|
|
NULL,
|
|
&pWdmEnumInstances);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = GetEnumCount(pWdmEnumInstances,
|
|
RelPathCount);
|
|
|
|
NumberWdmInstances = *RelPathCount;
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = AllocateBstrArrays(NumberWdmInstances,
|
|
WdmRelPaths,
|
|
CimRelPaths,
|
|
WdmInstanceNames,
|
|
PnPDeviceIds,
|
|
FriendlyName,
|
|
DeviceDesc);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
pWdmEnumInstances->Reset();
|
|
i = 0;
|
|
do
|
|
{
|
|
hr = pWdmEnumInstances->Next(WBEM_INFINITE,
|
|
1,
|
|
&pWdmInstance,
|
|
&Count);
|
|
|
|
if ((hr == WBEM_S_NO_ERROR) &&
|
|
(Count == 1) &&
|
|
(i < NumberWdmInstances))
|
|
{
|
|
//
|
|
// Lets get the instance name and then lookup the pnp
|
|
// id for it
|
|
//
|
|
hr = WmiGetProperty(pWdmInstance,
|
|
L"InstanceName",
|
|
CIM_STRING,
|
|
&v);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
//
|
|
// Remember wdm instnace name
|
|
//
|
|
WmipDebugPrint(("CDMPROV: Wdm InstanceName is %ws\n",
|
|
v.bstrVal));
|
|
WdmInstanceNames->Set(i, v.bstrVal);
|
|
hr = FindCimClassByWdmInstanceName(pWdmServices,
|
|
pCimServices,
|
|
CimClassName,
|
|
v.bstrVal,
|
|
&bstr1,
|
|
&bstr2);
|
|
|
|
PnPDeviceIds->Set(i, bstr1);
|
|
CimRelPaths->Set(i, bstr2);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
//
|
|
// Remember Wdm class relative path
|
|
//
|
|
WmipDebugPrint(("CDMPROV: Found CimRelPath %ws for Wdm class %ws\n",
|
|
CimRelPaths->Get(i), WdmClassName))
|
|
hr = WmiGetProperty(pWdmInstance,
|
|
L"__RELPATH",
|
|
CIM_STRING,
|
|
&v);
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
WdmRelPaths->Set(i, v.bstrVal);
|
|
|
|
//
|
|
// Now try to get FriendlyName and
|
|
// DeviceDesc for the instance
|
|
//
|
|
hr = GetDeviceProperties(pCtx,
|
|
pWdmServices,
|
|
WdmInstanceNames->Get(i),
|
|
&f,
|
|
&d);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
if (f != NULL)
|
|
{
|
|
FriendlyName->Set(i, f);
|
|
}
|
|
|
|
if (d != NULL)
|
|
{
|
|
DeviceDesc->Set(i, d);
|
|
}
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
} else {
|
|
//
|
|
// We did not find a CIM class
|
|
// to match our Wdm instance
|
|
// names, so we decrement our
|
|
// relpath count and continue
|
|
// searching
|
|
(*RelPathCount)--;
|
|
if (*RelPathCount == 0)
|
|
{
|
|
hr = WBEM_E_NOT_FOUND;
|
|
} else {
|
|
hr = WBEM_S_NO_ERROR;
|
|
}
|
|
}
|
|
}
|
|
pWdmInstance->Release();
|
|
} else {
|
|
if (hr == WBEM_S_FALSE)
|
|
{
|
|
hr = WBEM_S_NO_ERROR;
|
|
}
|
|
break;
|
|
}
|
|
} while (hr == WBEM_S_NO_ERROR);
|
|
} else {
|
|
hr = WBEM_E_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
pWdmEnumInstances->Release();
|
|
}
|
|
|
|
return(hr);
|
|
}
|
|
|
|
HRESULT FindRelPathByProperty(
|
|
IN IWbemContext *pCtx,
|
|
IN IWbemServices *pServices,
|
|
IN BSTR ClassName,
|
|
IN BSTR PropertyName,
|
|
IN VARIANT *ValueToMatch,
|
|
IN CIMTYPE CIMTypeToMatch,
|
|
OUT VARIANT *RelPath
|
|
)
|
|
{
|
|
WCHAR PropertyValue[MAX_PATH];
|
|
PWCHAR pv;
|
|
HRESULT hr;
|
|
IWbemClassObject *pInstance;
|
|
|
|
WmipAssert(pServices != NULL);
|
|
WmipAssert(ClassName != NULL);
|
|
WmipAssert(PropertyName != NULL);
|
|
WmipAssert(ValueToMatch != NULL);
|
|
WmipAssert(RelPath != NULL);
|
|
|
|
pv = PropertyValue;
|
|
|
|
switch (ValueToMatch->vt)
|
|
{
|
|
|
|
case VT_I1:
|
|
{
|
|
wsprintfW(PropertyValue, L"%d", ValueToMatch->cVal);
|
|
break;
|
|
}
|
|
|
|
case VT_UI1:
|
|
{
|
|
wsprintfW(PropertyValue, L"%d", ValueToMatch->bVal);
|
|
break;
|
|
}
|
|
|
|
case VT_I2:
|
|
{
|
|
wsprintfW(PropertyValue, L"%d", ValueToMatch->iVal);
|
|
break;
|
|
}
|
|
|
|
case VT_UI2:
|
|
{
|
|
wsprintfW(PropertyValue, L"%d", ValueToMatch->uiVal);
|
|
break;
|
|
}
|
|
|
|
|
|
case VT_UI4:
|
|
{
|
|
wsprintfW(PropertyValue, L"%d", ValueToMatch->ulVal);
|
|
break;
|
|
}
|
|
|
|
case VT_I4:
|
|
{
|
|
wsprintfW(PropertyValue, L"%d", ValueToMatch->lVal);
|
|
break;
|
|
}
|
|
|
|
case VT_BOOL:
|
|
{
|
|
pv = (ValueToMatch->boolVal == VARIANT_TRUE) ?
|
|
L"TRUE":
|
|
L"FALSE";
|
|
break;
|
|
}
|
|
|
|
case VT_BSTR:
|
|
{
|
|
pv = ValueToMatch->bstrVal;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
WmipDebugPrint(("WMIMAP: Unable to map WDM to CIM for CIMTYPE/VT %d/%d\n",
|
|
CIMTypeToMatch, ValueToMatch->vt));
|
|
return(WBEM_E_FAILED);
|
|
}
|
|
}
|
|
|
|
hr = GetInstanceOfClass(pCtx,
|
|
pServices,
|
|
ClassName,
|
|
PropertyName,
|
|
pv,
|
|
NULL,
|
|
&pInstance);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = WmiGetProperty(pInstance,
|
|
L"__RELPATH",
|
|
CIM_REFERENCE,
|
|
RelPath);
|
|
|
|
pInstance->Release();
|
|
}
|
|
|
|
return(hr);
|
|
}
|
|
|
|
|
|
HRESULT MapWdmClassToCimClassViaProperty(
|
|
IN IWbemContext *pCtx,
|
|
IN IWbemServices *pWdmServices,
|
|
IN IWbemServices *pCimServices,
|
|
IN BSTR WdmShadowClassName,
|
|
IN BSTR WdmMappingClassName,
|
|
IN OPTIONAL BSTR WdmMappingProperty,
|
|
IN BSTR CimMappingClassName,
|
|
IN OPTIONAL BSTR CimMappingProperty,
|
|
OUT CBstrArray *WdmInstanceNames,
|
|
OUT CBstrArray *WdmRelPaths,
|
|
OUT CBstrArray *CimRelPaths,
|
|
OUT int *RelPathCount
|
|
)
|
|
{
|
|
|
|
HRESULT hr;
|
|
IEnumWbemClassObject *pWdmEnumInstances;
|
|
int NumberWdmInstances;
|
|
CBstrArray PnPDeviceIds, FriendlyName, DeviceDesc;
|
|
CIMTYPE WdmCimType;
|
|
VARIANT WdmProperty, WdmInstanceName;
|
|
VARIANT CimRelPath, WdmRelPath;
|
|
int i;
|
|
IWbemClassObject *pWdmInstance;
|
|
ULONG Count;
|
|
|
|
WmipAssert(pWdmServices != NULL);
|
|
WmipAssert(pCimServices != NULL);
|
|
WmipAssert(WdmShadowClassName != NULL);
|
|
WmipAssert(WdmMappingClassName != NULL);
|
|
WmipAssert(WdmMappingProperty != NULL);
|
|
WmipAssert(CimMappingClassName != NULL);
|
|
WmipAssert(CimMappingProperty != NULL);
|
|
|
|
//
|
|
// We need to do a mapping from a WDM class to a CIM class. This is
|
|
// done via a common property value within the CIM and WDM mapping
|
|
// classes. If the WDM mapping and shadow classes are different
|
|
// then it is assumed that they both report the same instance names
|
|
//
|
|
|
|
|
|
//
|
|
// First thing is to enumerate all instances of the WDM mapping
|
|
// class.
|
|
//
|
|
hr = pWdmServices->CreateInstanceEnum(WdmMappingClassName,
|
|
WBEM_FLAG_USE_AMENDED_QUALIFIERS |
|
|
WBEM_FLAG_SHALLOW,
|
|
NULL,
|
|
&pWdmEnumInstances);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = GetEnumCount(pWdmEnumInstances,
|
|
&NumberWdmInstances);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = AllocateBstrArrays(NumberWdmInstances,
|
|
WdmRelPaths,
|
|
CimRelPaths,
|
|
WdmInstanceNames,
|
|
&PnPDeviceIds,
|
|
&FriendlyName,
|
|
&DeviceDesc);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
pWdmEnumInstances->Reset();
|
|
i = 0;
|
|
*RelPathCount = 0;
|
|
do
|
|
{
|
|
VariantInit(&CimRelPath);
|
|
VariantInit(&WdmRelPath);
|
|
VariantInit(&WdmInstanceName);
|
|
|
|
hr = pWdmEnumInstances->Next(WBEM_INFINITE,
|
|
1,
|
|
&pWdmInstance,
|
|
&Count);
|
|
|
|
if ((hr == WBEM_S_NO_ERROR) &&
|
|
(Count == 1) &&
|
|
(i < NumberWdmInstances))
|
|
{
|
|
//
|
|
// For each instance we try to find an instance
|
|
// of a CIM class whose property matches that
|
|
// of the WDM property. So first lets get the
|
|
// WDM property
|
|
//
|
|
hr = pWdmInstance->Get(WdmMappingProperty,
|
|
0,
|
|
&WdmProperty,
|
|
&WdmCimType,
|
|
NULL);
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
hr = FindRelPathByProperty(pCtx,
|
|
pCimServices,
|
|
CimMappingClassName,
|
|
CimMappingProperty,
|
|
&WdmProperty,
|
|
WdmCimType,
|
|
&CimRelPath);
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
//
|
|
// We found a mapping to a CIM class so
|
|
// get the instance name of the mapping
|
|
// class
|
|
//
|
|
hr = WmiGetProperty(pWdmInstance,
|
|
L"InstanceName",
|
|
CIM_STRING,
|
|
&WdmInstanceName);
|
|
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
//
|
|
// Now finally we can get the
|
|
// shadow class instance by means
|
|
// of the instance name
|
|
//
|
|
hr = FindRelPathByProperty(pCtx,
|
|
pWdmServices,
|
|
WdmShadowClassName,
|
|
L"InstanceName",
|
|
&WdmInstanceName,
|
|
CIM_STRING,
|
|
&WdmRelPath);
|
|
if (hr == WBEM_S_NO_ERROR)
|
|
{
|
|
CimRelPaths->Set(i, CimRelPath.bstrVal);
|
|
VariantInit(&CimRelPath);
|
|
WdmRelPaths->Set(i, WdmRelPath.bstrVal);
|
|
VariantInit(&WdmRelPath);
|
|
WdmInstanceNames->Set(i, WdmInstanceName.bstrVal);
|
|
VariantInit(&WdmInstanceName);
|
|
i++;
|
|
(*RelPathCount)++;
|
|
}
|
|
}
|
|
|
|
}
|
|
VariantClear(&WdmProperty);
|
|
}
|
|
pWdmInstance->Release();
|
|
} else {
|
|
if (hr == WBEM_S_FALSE)
|
|
{
|
|
hr = WBEM_S_NO_ERROR;
|
|
}
|
|
break;
|
|
}
|
|
|
|
VariantClear(&CimRelPath);
|
|
VariantClear(&WdmRelPath);
|
|
VariantClear(&WdmInstanceName);
|
|
|
|
} while (hr == WBEM_S_NO_ERROR);
|
|
}
|
|
}
|
|
|
|
pWdmEnumInstances->Release();
|
|
}
|
|
return(hr);
|
|
}
|