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/********************************************************************
Copyright (c) 1999 Microsoft Corporation
Module Name: PCH_ResourceIORange.CPP
Abstract: WBEM provider class implementation for PCH_ResourceIORange class
Revision History:
Ghim-Sim Chua (gschua) 04/27/99 - Created
********************************************************************/
#include "pchealth.h"
#include "PCH_ResourceIORange.h"
// #include "confgmgr.h"
/////////////////////////////////////////////////////////////////////////////
// tracing stuff
#ifdef THIS_FILE
#undef THIS_FILE
#endif
static char __szTraceSourceFile[] = __FILE__;#define THIS_FILE __szTraceSourceFile
#define TRACE_ID DCID_RESOURCEIORANGE
CPCH_ResourceIORange MyPCH_ResourceIORangeSet (PROVIDER_NAME_PCH_RESOURCEIORANGE, PCH_NAMESPACE) ;
// Property names
//===============
const static WCHAR* pAlias = L"Alias" ;const static WCHAR* pBase = L"Base" ;const static WCHAR* pCategory = L"Category" ;const static WCHAR* pTimeStamp = L"TimeStamp" ;const static WCHAR* pChange = L"Change" ;const static WCHAR* pDecode = L"Decode" ;const static WCHAR* pEnd = L"End" ;const static WCHAR* pMax = L"Max" ;const static WCHAR* pMin = L"Min" ;const static WCHAR* pName = L"Name" ;
/*****************************************************************************
** FUNCTION : CPCH_ResourceIORange::EnumerateInstances** DESCRIPTION : Returns all the instances of this class.** INPUTS : A pointer to the MethodContext for communication with WinMgmt.* A long that contains the flags described in * IWbemServices::CreateInstanceEnumAsync. Note that the following* flags are handled by (and filtered out by) WinMgmt:* WBEM_FLAG_DEEP* WBEM_FLAG_SHALLOW* WBEM_FLAG_RETURN_IMMEDIATELY* WBEM_FLAG_FORWARD_ONLY* WBEM_FLAG_BIDIRECTIONAL** RETURNS : WBEM_S_NO_ERROR if successful** COMMENTS : TO DO: All instances on the machine should be returned here.* If there are no instances, return WBEM_S_NO_ERROR.* It is not an error to have no instances.******************************************************************************/HRESULT CPCH_ResourceIORange::EnumerateInstances( MethodContext* pMethodContext, long lFlags ){ TraceFunctEnter("CPCH_ResourceIORange::EnumerateInstances");
HRESULT hRes = WBEM_S_NO_ERROR; REFPTRCOLLECTION_POSITION posList;
// Instances
CComPtr<IEnumWbemClassObject> pPortResourceEnumInst; CComPtr<IEnumWbemClassObject> pWin32AllocatedResourceEnumInst;
// Objects
IWbemClassObjectPtr pWin32AllocatedResourceObj; IWbemClassObjectPtr pPortResourceObj;
// Variants
CComVariant varAntecedent; CComVariant varDependent; CComVariant varPNPEntity; CComVariant varStartingAddress;
// Query Strings
CComBSTR bstrWin32AllocatedResourceQuery = L"Select Antecedent, Dependent FROM win32_Allocatedresource"; CComBSTR bstrPortResourceQuery = L"Select StartingAddress, Name, Alias FROM Win32_PortResource WHERE StartingAddress = "; CComBSTR bstrPortResourceQueryString;
// Return Values;
ULONG ulWin32AllocatedResourceRetVal = 0; ULONG ulPortResourceRetVal = 0;
// Integers
int i; int nStAddren; int nIter;
// Pattern Strings
LPCSTR strPortPattern = "Win32_PortResource.StartingAddress="; LPCSTR strPNPEntityPattern = "Win32_PnPEntity.DeviceID="; // Chars
LPSTR strSource; LPSTR pDest;
BOOL fValidInt;
CComBSTR bstrPropertyAntecedent=L"Antecedent"; CComBSTR bstrPropertyDependent=L"Dependent";
// Enumerate the instances of Win32_PNPAllocatedResource
hRes = ExecWQLQuery(&pWin32AllocatedResourceEnumInst, bstrWin32AllocatedResourceQuery); if (FAILED(hRes)) { // Cannot get any properties.
goto END; }
// Query Succeeded
while(WBEM_S_NO_ERROR == pWin32AllocatedResourceEnumInst->Next(WBEM_INFINITE, 1, &pWin32AllocatedResourceObj, &ulWin32AllocatedResourceRetVal)) {
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Starting Address //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Get the Antecedent Value
hRes = pWin32AllocatedResourceObj->Get(bstrPropertyAntecedent, 0, &varAntecedent, NULL, NULL); if (FAILED(hRes)) { // Could not get the antecedent
ErrorTrace(TRACE_ID, "GetVariant on Win32_AllocatedResource:Antecedent Field failed."); } else { // Got the Antecedent. Search its value to see if it is a IRQ Resource.
// varAntecedent set to antecedent. Copy this to bstrResult
varAntecedent.ChangeType(VT_BSTR, NULL); { USES_CONVERSION; strSource = OLE2A(varAntecedent.bstrVal); }
// Check if it is Port Resource by comparing with the known pattern of Port Resource.
pDest = strstr(strSource,strPortPattern);
if(pDest != NULL) { // This is Port Resource instance
// Can get the Port Starting Address
// Advance the pointer to the end of the pattern so the pointer is
// positioned at Starting Address
pDest += lstrlen(strPortPattern);
// Formulate the Query String
bstrPortResourceQueryString = bstrPortResourceQuery; bstrPortResourceQueryString.Append(pDest);
// At this point the WQL Query can be used to get the win32_portResource Instance.
// Added the following line because you need to clear the CComPtr before you query the second time.
pPortResourceEnumInst = NULL; hRes = ExecWQLQuery(&pPortResourceEnumInst, bstrPortResourceQueryString); if (SUCCEEDED(hRes)) { // Query Succeeded. Get the Instance Object
if(WBEM_S_NO_ERROR == pPortResourceEnumInst->Next(WBEM_INFINITE, 1, &pPortResourceObj, &ulPortResourceRetVal)) {
// Create a new instance of PCH_ResourceIORange Class based on the passed-in MethodContext
CInstancePtr pPCHResourceIORangeInstance(CreateNewInstance(pMethodContext), false);
// Created a New Instance of PCH_ResourceIORange Successfully.
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// StartingAddress //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
CopyProperty(pPortResourceObj, L"StartingAddress", pPCHResourceIORangeInstance, pBase);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// EndingAddress //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
CopyProperty(pPortResourceObj, L"EndingAddress", pPCHResourceIORangeInstance, pEnd);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Alias //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
CopyProperty(pPortResourceObj, L"Alias", pPCHResourceIORangeInstance, pAlias);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Name //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// CopyProperty(pWin32AllocatedResourceObj, L"Dependent", pPCHResourceIORangeInstance, pName);
// Get the Dependent Value
hRes = pWin32AllocatedResourceObj->Get(bstrPropertyDependent, 0, &varDependent, NULL, NULL); if (FAILED(hRes)) { // Could not get the Dependent
ErrorTrace(TRACE_ID, "GetVariant on Win32_AllocatedResource:Dependent Field failed."); } else { // Got the Dependent. Search its value to point to PNPEntity.
// varDependent set to Dependent. Copy this to bstrResult
varDependent.ChangeType(VT_BSTR, NULL); { USES_CONVERSION; strSource = OLE2A(varDependent.bstrVal); }
// Search for Win32_PNPEntity Pattern.
pDest = strstr(strSource,strPNPEntityPattern);
if(pDest) { // Advance the pointer to point to the PNPEntity Name
pDest += lstrlen(strPNPEntityPattern);
// Copy the PNPEntity Name.....
varPNPEntity = pDest;
// Set the Name
hRes = pPCHResourceIORangeInstance->SetVariant(pName, varPNPEntity); if (FAILED(hRes)) { ErrorTrace(TRACE_ID, "SetVariant on win32_AllocatedResource.IRQ Number Failed!"); // Proceed Anyway
} } }
// All the properties in pPCHResourceIORange are set
hRes = pPCHResourceIORangeInstance->Commit(); if (FAILED(hRes)) { // Cannot commit the Instance
ErrorTrace(TRACE_ID, "Commit on Instance failed."); } // end of if FAILED(hRes)
} } // end of Query Succeeded.
} // end of if pDest != NULL
} // end of else got the antecedent
} //end of Allocated Resource Instances.
END:
TraceFunctLeave(); return hRes ;
// Missing data
// WMI does not give us min and max so we are not populating these in our class.
//
// pInstance->SetVariant(pMax, <Property Value>);
// pInstance->SetVariant(pMin, <Property Value>);
}
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