windows-nt/Source/XPSP1/NT/admin/pchealth/sysinfo/control/historyparser.cpp
2020-09-26 16:20:57 +08:00

1166 lines
35 KiB
C++

// HistoryParser.cpp: implementation of the CHistoryParser class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "resource.h"
#include "HistoryParser.h"
#include "Filestuff.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
extern CMSInfoHistoryCategory catHistorySystemSummary;
extern CMSInfoHistoryCategory catHistoryResources;
extern CMSInfoHistoryCategory catHistoryComponents;
extern CMSInfoHistoryCategory catHistorySWEnv;
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CHistoryParser::CHistoryParser(CComPtr<IXMLDOMDocument> pDoc) : m_pDoc(pDoc)
{
}
void CHistoryParser::DeleteAllInstances()
{
for(POSITION pos = this->m_listInstances.GetHeadPosition();pos;)
{
if (!pos)
{
return;
}
CInstance* pInci = (CInstance*) m_listInstances.GetNext(pos);
delete pInci;
}
m_listInstances.RemoveAll();
}
CHistoryParser::~CHistoryParser()
{
DeleteAllInstances();
}
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
// takes a CTime, which comes from timestamp element of the Delta or Snaphot
// node of which pInstanceNode is a child; an Instance node, and a string
// containing the WMI class of the Instance
//////////////////////////////////////////////////////////////////////
CInstance::CInstance(CTime tmstmp, CComPtr<IXMLDOMNode> pInstanceNode,CString strClass) : m_tmstamp(tmstmp), m_strClassName(strClass)
{
CComPtr<IXMLDOMNodeList> pPropList;
HRESULT hr;
//Get node data, add each PROPERTY name and VALUE to m_mapNameValue
if (strClass.CompareNoCase(_T("Win32_PNPAllocatedResource")) == 0)
{
hr = ProcessPNPAllocatedResource(pInstanceNode);
ASSERT(SUCCEEDED(hr) && "failed to process Win32_PNPAllocatedResource");
return;
}
hr = pInstanceNode->selectNodes(CComBSTR("PROPERTY"),&pPropList);
if (FAILED(hr) || !pPropList)
{
ASSERT(0 && "could not get property list from Instance node");
return;
}
long lListLen;
hr = pPropList->get_length(&lListLen);
CComPtr<IXMLDOMNode> pVNode;
CComBSTR bstrValue;
CComVariant varName;
for(long i = 0; i < lListLen; i++)
{
hr = pPropList->nextNode(&pVNode);
if (FAILED(hr) || !pVNode)
{
return;
}
CComPtr<IXMLDOMElement> pElement;
hr = pVNode->QueryInterface(IID_IXMLDOMElement,(void**) &pElement);
if (FAILED(hr) || !pElement)
{
return;
}
hr = pElement->getAttribute(L"NAME",&varName);
ASSERT(SUCCEEDED(hr));
hr = pVNode->get_text(&bstrValue);
ASSERT(SUCCEEDED(hr));
USES_CONVERSION;
m_mapNameValue.SetAt(OLE2T(varName.bstrVal) ,OLE2T(bstrValue));
pVNode.Release();
}
pPropList.Release();
return;
}
//////////////////////////////////////////////////////////////////////////////////////////
//Refresh is called for selected category when category selection or delta range changes
//////////////////////////////////////////////////////////////////////////////////////////
HRESULT CHistoryParser::Refresh(CMSInfoHistoryCategory* pHistCat,int nDeltasBack)
{
nDeltasBack++;
this->m_fChangeLines = FALSE;// v-stlowe 2/28/2001
DeleteAllInstances();
m_pHistCat = pHistCat;
CComPtr<IXMLDOMNodeList> pDeltaList;
HRESULT hr;
hr = this->GetDeltaAndSnapshotNodes(pDeltaList);
if (FAILED(hr) || !pDeltaList)
{
return E_FAIL;
}
if (pHistCat == &catHistoryComponents)
{
DeleteAllInstances();
hr = ProcessDeltas(pDeltaList,"Win32_DriverVXD",nDeltasBack);
ASSERT(SUCCEEDED(hr));
DeleteAllInstances();
pDeltaList->reset();
hr = ProcessDeltas(pDeltaList,"Win32_CodecFile",nDeltasBack);
ASSERT(SUCCEEDED(hr));
DeleteAllInstances();
pDeltaList->reset();
hr = ProcessDeltas(pDeltaList,"Win32_LogicalDisk",nDeltasBack);
DeleteAllInstances();
pDeltaList->reset();
ASSERT(SUCCEEDED(hr));
hr = ProcessDeltas(pDeltaList,"Win32_NetworkProtocol",nDeltasBack);
DeleteAllInstances();
pDeltaList->reset();
ASSERT(SUCCEEDED(hr));
hr = ProcessDeltas(pDeltaList,"Win32_Printer",nDeltasBack);
DeleteAllInstances();
pDeltaList->reset();
ASSERT(SUCCEEDED(hr));
hr = ProcessDeltas(pDeltaList,"Win32_PortResource",nDeltasBack);
DeleteAllInstances();
pDeltaList->reset();
ASSERT(SUCCEEDED(hr));
hr = ProcessDeltas(pDeltaList,"Win32_PnPEntity",nDeltasBack);
DeleteAllInstances();
pDeltaList->reset();
ASSERT(SUCCEEDED(hr));
}
else if (pHistCat == &catHistorySystemSummary)
{
DeleteAllInstances();
hr = ProcessDeltas(pDeltaList,"Win32_ComputerSystem",nDeltasBack);
DeleteAllInstances();
pDeltaList->reset();
ASSERT(SUCCEEDED(hr));
hr = ProcessDeltas(pDeltaList,"Win32_OperatingSystem",nDeltasBack);
DeleteAllInstances();
pDeltaList->reset();
ASSERT(SUCCEEDED(hr));
//hr = ProcessDeltas(pDeltaList,"Win32_Win32_LogicalMemoryConfiguration",nDeltasBack);
hr = ProcessDeltas(pDeltaList,"Win32_LogicalMemoryConfiguration",nDeltasBack); //v-stlowe 2/28/2001
DeleteAllInstances();
pDeltaList->reset();
ASSERT(SUCCEEDED(hr));
}
else if(pHistCat == &catHistoryResources)
{
DeleteAllInstances();
hr = ProcessDeltas(pDeltaList,"Win32_PNPAllocatedResource",nDeltasBack);
DeleteAllInstances();
pDeltaList->reset();
ASSERT(SUCCEEDED(hr));
}
else if (pHistCat == &catHistorySWEnv)
{
DeleteAllInstances();
hr = ProcessDeltas(pDeltaList,"Win32_ProgramGroup",nDeltasBack);
DeleteAllInstances();
pDeltaList->reset();
hr = ProcessDeltas(pDeltaList,"Win32_StartupCommand",nDeltasBack);
DeleteAllInstances();
pDeltaList->reset();
}
if (!m_fChangeLines)
{
#ifdef A_STEPHL2
::MessageBox(NULL,"!m_fChangeLines)","",MB_OK);
#endif
m_fChangeLines = TRUE;
CString strMSG;
strMSG.LoadString(IDS_DELTANOCHANGES);//this would be the place to change messaging for situation where summary has no changes
m_pHistCat->InsertLine(-1, strMSG, _T(""), _T(""), _T(""));
}
pDeltaList.Release();
return hr;
}
//////////////////////////////////////////////////////////////////////////////////////////
//Gets the value appropriate to use as a description for the class
//////////////////////////////////////////////////////////////////////////////////////////
CString CInstance::GetInstanceDescription()
{
CString strDescName = GetDescriptionForClass(m_strClassName);
CString strInstDesc;
VERIFY(m_mapNameValue.Lookup(strDescName,strInstDesc));
return strInstDesc;
}
//////////////////////////////////////////////////////////////////////////////////////////
//Gets the value that can be used to uniquely identify a specific instance of a class
//////////////////////////////////////////////////////////////////////////////////////////
CString CInstance::GetInstanceID()
{
CString strIDName = GetIDForClass(m_strClassName);
CString strInstID;
VERIFY(m_mapNameValue.Lookup(strIDName,strInstID));
return strInstID;
}
//////////////////////////////////////////////////////////////////////////////////////////
//used to deal with antecedent\dependant relationship classes in Win32_PNPAllocatedResource classes
//////////////////////////////////////////////////////////////////////////////////////////
HRESULT CInstance::ProcessPropertyDotReferenceNodes(CComPtr<IXMLDOMNode> pInstanceNameNode,CString* pstrClassName, CString* pstrKeyName,CString* pstrKeyValue)
{
USES_CONVERSION;
HRESULT hr;
CComPtr<IXMLDOMElement> pNameElement;
hr = pInstanceNameNode->QueryInterface(IID_IXMLDOMElement,(void**) &pNameElement);
if (FAILED(hr) | !pNameElement)
{
ASSERT(0 && "could not QI pNode for Element");
return E_FAIL;
}
CComVariant varClassName;
hr = pNameElement->getAttribute(L"CLASSNAME",&varClassName);
pNameElement.Release();
if (FAILED(hr))
{
ASSERT(0 && "could not get CLASSNAME element");
}
*pstrClassName = OLE2T(varClassName.bstrVal);
CComPtr<IXMLDOMNode> pKeybindingNode;
hr = pInstanceNameNode->selectSingleNode(CComBSTR("KEYBINDING"),&pKeybindingNode);
if (FAILED(hr) || !pKeybindingNode)
{
ASSERT(0 && "could not get antecedent node");
}
CComBSTR bstrKeyValue;
hr = pKeybindingNode->get_text(&bstrKeyValue);
ASSERT(SUCCEEDED(hr) && "failed to get keybinding value");
*pstrKeyValue = OLE2T(bstrKeyValue);
hr = pKeybindingNode->QueryInterface(IID_IXMLDOMElement,(void**) &pNameElement);
if (FAILED(hr) | !pNameElement)
{
ASSERT(0 && "could not QI pNode for Element");
return E_FAIL;
}
CComVariant varKeybindingName;
hr = pNameElement->getAttribute(CComBSTR("NAME"),&varKeybindingName);
if (FAILED(hr))
{
ASSERT(0 && "could not get NAME attribute from pNameElement");
}
*pstrKeyName = OLE2T(varKeybindingName.bstrVal);
return hr;
}
//////////////////////////////////////////////////////////////////////////////////////////
//used to deal with antecedent\dependant relationship classes in Win32_PNPAllocatedResource classes
//////////////////////////////////////////////////////////////////////////////////////////
HRESULT CInstance::ProcessPNPAllocatedResource(CComPtr<IXMLDOMNode> pInstanceNode)
{
HRESULT hr;
CComPtr<IXMLDOMNodeList> pPropDotRefList;
hr = pInstanceNode->selectNodes(CComBSTR("PROPERTY.REFERENCE/VALUE.REFERENCE/INSTANCEPATH/INSTANCENAME"),&pPropDotRefList);
if (FAILED(hr) || !pPropDotRefList)
{
ASSERT(0 && "PROPERTY.REFERENCE nodes not found");
return E_FAIL;
}
//get antecedent node
CComPtr<IXMLDOMNode> pInstanceNameNode;
hr = pPropDotRefList->nextNode(&pInstanceNameNode);
if (FAILED(hr) || !pInstanceNameNode)
{
ASSERT(0 && "could not get antecedent node");
}
CString strAntecedentName,strResourceName,strResourceValue;
hr = ProcessPropertyDotReferenceNodes(pInstanceNameNode,&strAntecedentName,&strResourceName,&strResourceValue);
m_mapNameValue.SetAt(_T("ANTECEDENT"),strAntecedentName);
m_mapNameValue.SetAt(strResourceName,strResourceValue);
if (FAILED(hr))
{
return hr;
}
CString strPNPEntity,strKeyname,strDeviceIDval;
pInstanceNameNode.Release();
hr = pPropDotRefList->nextNode(&pInstanceNameNode);
if (FAILED(hr) || !pInstanceNameNode)
{
return hr;
}
hr = ProcessPropertyDotReferenceNodes(pInstanceNameNode,&strPNPEntity,&strKeyname,&strDeviceIDval);
CComPtr<IXMLDOMDocument> pDoc;
hr = pInstanceNode->get_ownerDocument(&pDoc);
if (FAILED(hr) || !pDoc)
{
ASSERT(0 && "could not get owner doc from pInstanceNode");
return E_FAIL;
}
CString strPNPDeviceName = GetPNPNameByID(pDoc,CComBSTR(strDeviceIDval));
if (FAILED(hr))
{
return hr;
}
ASSERT(strPNPEntity.CompareNoCase("Win32_PnPEntity") == 0 && "unexpected value for Dependent classname");
ASSERT(strKeyname.CompareNoCase("DeviceID") == 0 && "unexpected value for Dependent Keybinding name");
//we will create an arificial attribute "ASSOCNAME", which will be used to identify this device.
m_mapNameValue.SetAt(_T("ASSOCNAME"),strAntecedentName + ":" + strDeviceIDval);
m_mapNameValue.SetAt(_T("DeviceID"),strDeviceIDval);
m_mapNameValue.SetAt(_T("DeviceName"),strPNPDeviceName);
return hr;
}
//////////////////////////////////////////////////////////////////////////////////////////
//Retrives a value used to select appropriate description value for the class
//////////////////////////////////////////////////////////////////////////////////////////
CString CInstance::GetDescriptionForClass(CString strClass)
{
//lookup a key which can uniquely identify an instance of a given class
//for example, DeviceID for Printers
if (strClass.CompareNoCase(_T("Win32_LogicalDisk")) == 0)
{
return "DeviceID";
}
if (strClass.CompareNoCase(_T("Win32_CodecFile")) == 0)
{
return "Description";
}
if (strClass.CompareNoCase(_T("Win32_ComputerSystem")) == 0)
{
return "Name";
}
if (strClass.CompareNoCase(_T("Win32_OperatingSystem")) == 0)
{
return "Caption";
}
if (strClass.CompareNoCase(_T("Win32_LogicalMemoryConfiguration")) == 0)
{
return "TotalPhysicalMemory";
}
if (strClass.CompareNoCase(_T("Win32_PortResource")) == 0)
{
return "Name";
}
if (strClass.CompareNoCase(_T("Win32_NetworkProtocol")) == 0)
{
return "Name";
}
if (strClass.CompareNoCase(_T("Win32_Printer")) == 0)
{
return "DeviceID";
}
if (strClass.CompareNoCase(_T("Win32_PnPEntity")) == 0)
{
return "Description";
}
if (strClass.CompareNoCase(_T("Win32_StartupCommand")) == 0)
{
return "Command";
}
if (strClass.CompareNoCase(_T("Win32_ProgramGroup")) == 0)
{
return "GroupName";
}
if (strClass.CompareNoCase(_T("Win32_PNPAllocatedResource")) == 0)
{
//this is an artificial string created in CInstance::ProcessPNPAllocatedResource
return "DeviceName";
}
if (strClass.CompareNoCase(_T("Win32_DriverVXD")) == 0)
{
return "Name";
}
return "";
}
//////////////////////////////////////////////////////////////////////////////////////////
//used to determine which mapped value to use to ID instances of the clas
//////////////////////////////////////////////////////////////////////////////////////////
CString CInstance::GetIDForClass(CString strClass)
{
//lookup a key which can uniquely identify an instance of a given class
//for example, DeviceID for Printers
if (strClass.CompareNoCase(_T("Win32_LogicalDisk")) == 0)
{
return "DeviceID";
}
if (strClass.CompareNoCase(_T("Win32_CodecFile")) == 0)
{
return "Description";
}
if (strClass.CompareNoCase(_T("Win32_OperatingSystem")) == 0)
{
return "Caption";
}
if (strClass.CompareNoCase(_T("Win32_LogicalMemoryConfiguration")) == 0)
{
return "TotalPhysicalMemory";
}
if (strClass.CompareNoCase(_T("Win32_ComputerSystem")) == 0)
{
return "Name";
}
if (strClass.CompareNoCase(_T("Win32_PortResource")) == 0)
{
return "Name";
}
if (strClass.CompareNoCase(_T("Win32_NetworkProtocol")) == 0)
{
return "Name";
}
if (strClass.CompareNoCase(_T("Win32_Printer")) == 0)
{
return "DeviceID";
}
if (strClass.CompareNoCase(_T("Win32_PnPEntity")) == 0)
{
return "DeviceID";
}
if (strClass.CompareNoCase(_T("Win32_PNPAllocatedResource")) == 0)
{
//this is an artificial string created in CInstance::ProcessPNPAllocatedResource
return "ASSOCNAME";
}
if (strClass.CompareNoCase(_T("Win32_ProgramGroup")) == 0)
{
return "GroupName";
}
if (strClass.CompareNoCase(_T("Win32_StartupCommand")) == 0)
{
return "Command";
}
if (strClass.CompareNoCase(_T("Win32_DriverVXD")) == 0)
{
return "Name";
}
return "";
}
//////////////////////////////////////////////////////////////////////////////////////////
//used when rolling back through history list, to find previous instance of a given class
//////////////////////////////////////////////////////////////////////////////////////////
CInstance* CHistoryParser::FindPreviousInstance(CInstance* pNewInstance)
{
//for each existing instance pOld
for(POSITION pos = m_listInstances.GetHeadPosition( );;)
{
if (!pos)
{
return NULL;
}
CInstance* pOld = (CInstance*) m_listInstances.GetNext(pos);
if (pOld->GetClassName() == pNewInstance->GetClassName())
{
if (pOld->GetInstanceID() == pNewInstance->GetInstanceID())
{
return pOld;
}
}
}
return NULL;
}
void CHistoryParser::CreateChangeStrings(CInstance* pOld, CInstance* pNew)
{
CTimeSpan tmsDelta;
COleDateTime olTime(pNew->m_tmstamp.GetTime());
if (!pOld )
{
ASSERT(pNew );
tmsDelta = CTime::GetCurrentTime() - pNew->m_tmstamp;
//change string should be "Delete"
m_pHistCat->InsertRemoveLine(pNew->m_tmstamp ,pNew->GetClassFriendlyName(),pNew->GetInstanceDescription());
m_fChangeLines = TRUE;
return;
}
else if (!pNew)
{
ASSERT(pOld);
tmsDelta = CTime::GetCurrentTime() - pOld->m_tmstamp;
//change string should be "New"
m_pHistCat->InsertAddLine(pNew->m_tmstamp,pOld->GetClassFriendlyName(),pOld->GetInstanceDescription());
//v-stlowe 3/12/2001
m_fChangeLines = TRUE;
return;
}
else
{
ASSERT(pOld && pNew && "both pointers can't be null");
tmsDelta = CTime::GetCurrentTime() - pNew->m_tmstamp;
//for each Name&Value pair, get the name, and then use it to examine
//the associated value in pCompare's map
CString strName, strValue,strCompareValue;
if (pNew->GetChangeType().CompareNoCase(_T("New")) == 0)
{
tmsDelta = CTime::GetCurrentTime() - pNew->m_tmstamp;
//change string should be "added"
m_pHistCat->InsertAddLine(pNew->m_tmstamp ,pNew->GetClassFriendlyName(),pNew->GetInstanceDescription());
m_fChangeLines = TRUE;
return;
}
else if (pNew->GetChangeType().CompareNoCase(_T("Delete")) == 0)
{
tmsDelta = CTime::GetCurrentTime() - pNew->m_tmstamp;
//change string should be "Deleted"
m_pHistCat->InsertRemoveLine(pNew->m_tmstamp,pNew->GetClassFriendlyName(),pNew->GetInstanceDescription());
m_fChangeLines = TRUE;
return;
}
for(POSITION pos = pNew->m_mapNameValue.GetStartPosition();;pNew->m_mapNameValue.GetNextAssoc(pos,strName, strValue))
{
strCompareValue = _T("");
if (!pOld->m_mapNameValue.Lookup(strName,strCompareValue))
{
//ASSERT(0 && "value not found in delta");
//return E_FAIL;
if (strName.CompareNoCase(_T("Change")) == 0)
{
VERIFY(pNew->m_mapNameValue.Lookup(strName,strCompareValue));
if (strCompareValue.CompareNoCase(_T("New")) == 0)
{
m_pHistCat->InsertAddLine(pNew->m_tmstamp,pNew->GetClassFriendlyName(),pNew->GetInstanceDescription());
m_fChangeLines = TRUE;
}
ASSERT(1);
}
continue;
}
else
{
pOld->m_mapNameValue.RemoveKey(strName);
}
if (strValue != strCompareValue)
{
m_pHistCat->InsertChangeLine(pNew->m_tmstamp,pNew->GetClassFriendlyName(),pNew->GetInstanceDescription(),strName,strValue,strCompareValue);
m_fChangeLines = TRUE;
}
if(!pos)
{
break;
}
}
//handle values that are mapOldInstance, and not the other map
if (!pOld->m_mapNameValue.IsEmpty())
{
for(pos = pOld->m_mapNameValue.GetStartPosition();;pOld->m_mapNameValue.GetNextAssoc(pos,strName, strValue))
{
pOld->m_mapNameValue.GetNextAssoc(pos,strName, strValue);
pNew->m_mapNameValue.SetAt(strName,strValue);
if (!pos)
{
break;
}
}
}
}
}
//////////////////////////////////////////////////////////////////////////////////////////
//once the previous instance has been processed, previous instance should be removed and this instance should be added to list
//////////////////////////////////////////////////////////////////////////////////////////
void CHistoryParser::ResetInstance(CInstance* pOld, CInstance* pNew)
{
POSITION pos = this->m_listInstances.Find(pOld);
m_listInstances.SetAt(pos,pNew);
delete pOld;
}
//////////////////////////////////////////////////////////////////////////////////////////
//Used to process a single instance from either history or snapshot
//////////////////////////////////////////////////////////////////////////////////////////
void CHistoryParser::ProcessInstance(CInstance* pNewInstance)
{
//see if instance is in list of instances
CInstance* pOld = FindPreviousInstance(pNewInstance);
if (pOld)
{
CreateChangeStrings(pOld,pNewInstance);
ResetInstance(pOld,pNewInstance);
}
//if this is from a Snapshot, just add it
//if it is from a Delta, it should have a change type of "add", and we
//want to create a change string for it.
else
{
CString strChange;
if (pNewInstance->GetValueFromMap(_T("Change"),strChange))
{
//we have new Delta instance
CreateChangeStrings(NULL,pNewInstance);
m_listInstances.AddTail(pNewInstance);
}
else
{
//Instance is in snapshot, so we don't generate change lines
m_listInstances.AddTail(pNewInstance);
}
}
}
/**************************************************************************
returns list of deltas and the snapshot node
/**************************************************************************/
HRESULT CHistoryParser::GetDeltaAndSnapshotNodes(CComPtr<IXMLDOMNodeList>& pDeltaList)
{
CComPtr<IXMLDOMNode> pDataCollNode;
HRESULT hr;
hr = GetDataCollectionNode(m_pDoc,pDataCollNode);
if (FAILED(hr) || !pDataCollNode)
{
//ASSERT(0 && "could not get datacollection node");
return E_FAIL;
}
//all nodes directly under DATACOLLECTION should be either deltas or the snapshot
hr = pDataCollNode->selectNodes(CComBSTR("*"),&pDeltaList);
if (FAILED(hr) || !pDeltaList)
{
ASSERT(0 && "could not get pDeltaList");
return E_FAIL;
}
#ifndef _DEBUG
return hr;
#endif
long ll;
hr = pDeltaList->get_length(&ll);
return hr;
}
//////////////////////////////////////////////////////////////////////////////////////////
//gets IXMLDOMNodeList of instances from a specific delta or snapshot node
//////////////////////////////////////////////////////////////////////////////////////////
HRESULT CHistoryParser::GetInstanceNodeList(CString strClass,CComPtr<IXMLDOMNode> pDeltaNode, CComPtr<IXMLDOMNodeList>& pInstanceList)
{
HRESULT hr;
//CComBSTR bstrQuery;
// the query will have to be in the form:
// CIM/DECLARATION/DECLGROUP.WITHPATH/VALUE.OBJECTWITHPATH/INSTANCE[@CLASSNAME $ieq$ "WIN32_CODECFILE"]
// or
// CIM/DECLARATION/DECLGROUP.WITHPATH/VALUE.OBJECTWITHPATH/INSTANCE[@CLASSNAME $ieq$ "Win32_ComputerSystem"]
// because we are querying a node, rather than a document (with which we could get
// away with specifying only INSTANCE in the query
//v-stlowe 1/29/2001 to fix Prefix whistler bug #279519
//bstrQuery += "CIM/DECLARATION/DECLGROUP.WITHPATH/VALUE.OBJECTWITHPATH/INSTANCE[@CLASSNAME $ieq$ ";
CComBSTR bstrQuery("CIM/DECLARATION/DECLGROUP.WITHPATH/VALUE.OBJECTWITHPATH/INSTANCE[@CLASSNAME $ieq$ ");
//end v-stlowe
bstrQuery += "\"";
bstrQuery += CComBSTR(strClass);
bstrQuery += "\"]";
hr = pDeltaNode->selectNodes(bstrQuery,&pInstanceList);
if (FAILED(hr) || !pInstanceList)
{
ASSERT(0 && "Could not get node list");
return E_FAIL;
}
if (FAILED(hr))
{
ASSERT(0 && "Could not get node list length");
}
return hr;
}
//for a given Snapshot or Delta node, get all instances of a given class
HRESULT CHistoryParser::ProcessDeltaNode(CComPtr<IXMLDOMNode> pDeltaNode,CString strClass)
{
CString strTime;
HRESULT hr;
int nTimeZone;
hr = GetTimeStampFromFromD_or_SNodeNode(pDeltaNode, &strTime,nTimeZone);
ASSERT(SUCCEEDED(hr) && "error getting timestamp for node");
CTime tmDelta = GetDateFromString(strTime,nTimeZone);
//TD: check for valid time range...
//get list of all nodes of given class
CComPtr<IXMLDOMNodeList> pInstanceNodeList;
hr = GetInstanceNodeList(strClass,pDeltaNode,pInstanceNodeList);
if (FAILED(hr) | ! pInstanceNodeList)
{
ASSERT(0 && "could not get instance list from Delta node");
return E_FAIL;
}
//step through list, getting each instance
long lListLen;
hr = pInstanceNodeList->get_length(&lListLen);
for(long i = 0;i < lListLen;i++)
{
CComPtr<IXMLDOMNode> pInstanceNode;
hr = pInstanceNodeList->nextNode(&pInstanceNode);
if (FAILED(hr) || ! pInstanceNode)
{
ASSERT(0 && "could not get node from instance list");
return E_FAIL;
}
CInstance * pInstance = new CInstance(tmDelta,pInstanceNode,strClass);
ProcessInstance(pInstance);
}
return hr;
}
//*************************************************************************
//Takes a list of delta nodes, and the name of a class
//**************************************************************************
HRESULT CHistoryParser::ProcessDeltas(CComPtr<IXMLDOMNodeList> pDeltaList,CString strClassName,int nDeltasBack)
{
//for each node in list pNode
long lListLen;
HRESULT hr;
hr = pDeltaList->get_length(&lListLen);
if (FAILED(hr))
{
ASSERT(0 && "couldn't get list length");
}
if (0 == lListLen)
{
pDeltaList.Release();
return S_FALSE;
}
for (long i = 0;i < lListLen && i <= nDeltasBack;i++)
{
CComPtr<IXMLDOMNode> pNode;
hr= pDeltaList->nextNode(&pNode);
if (FAILED(hr) || !pNode)
{
ASSERT(0 && "could not get next delta node");
pDeltaList.Release();
return E_FAIL;
}
// here's problem If we're using nDeltasBack method, do we need to compare dates?
/* CTime tmDelta = GetDeltaTime(pNode);
if (GetDeltaTime(pNode) >= this->m_tmBack)
{
*/
hr = ProcessDeltaNode(pNode,strClassName);
if (FAILED(hr))
{
pDeltaList.Release();
return hr;
}
// }
}
pDeltaList.Release();
return S_OK;
}
//*************************************************************************
//Gets the DATACOLLECTION node, beneath which both the SNAPSHOT and the DELTA nodes reside
//**************************************************************************
HRESULT GetDataCollectionNode(CComPtr<IXMLDOMDocument> pXMLDoc,CComPtr<IXMLDOMNode>& pDCNode)
{
//TD: find a way to do case-insensitive queries.
HRESULT hr;
if (!pXMLDoc)
{
return S_FALSE;
}
CComPtr<IXMLDOMNodeList> pNodeList;
//find a change property; that way we know we have a delta
hr = pXMLDoc->getElementsByTagName(CComBSTR("PROPERTY[@NAME $ieq$ \"CHANGE\"]"),&pNodeList);
if (FAILED(hr) || !pNodeList)
{
ASSERT(0 && "Could not get node list");
return E_FAIL;
}
CComPtr<IXMLDOMNode> pNode;
hr = pNodeList->nextNode(&pNode);
if (FAILED(hr) || !pNode)
{
// ASSERT(0 && "Could not get node from node list");
return E_FAIL;
}
//loop till we get a node called "DATACOLLECTION"
CComPtr<IXMLDOMNode> pParentNode;
for(int i = 0;;i++)
{
hr = pNode->get_parentNode(&pParentNode);
if (FAILED(hr) || !pParentNode)
{
ASSERT(0 && "Could not find DATACOLLECTION node");
pDCNode = NULL;
return E_FAIL;
}
pNode.Release();
CComBSTR bstrName;
pParentNode->get_nodeName(&bstrName);
USES_CONVERSION;
if (CString(bstrName).CompareNoCase(_T("DATACOLLECTION")) == 0)
{
pDCNode = pParentNode;
return S_OK;
}
pNode = pParentNode;
pParentNode.Release();
}
return S_OK;
}
//////////////////////////////////////////////////////////////////////////////////////////
//get timestamp of a delta or snapshot node
//////////////////////////////////////////////////////////////////////////////////////////
CTime GetDeltaTime(CComPtr<IXMLDOMNode> pDorSNode)
{
CString strTime;
int nTimeZone;
GetTimeStampFromFromD_or_SNodeNode(pDorSNode,&strTime,nTimeZone);
return GetDateFromString(strTime,nTimeZone);
}
//////////////////////////////////////////////////////////////////////////////////////////
//takes string format used in XML blob, creates a CTime
//////////////////////////////////////////////////////////////////////////////////////////
HRESULT GetTimeStampFromFromD_or_SNodeNode(CComPtr<IXMLDOMNode> pDorSNode,CString* pString, int& nTimeZone)
{
HRESULT hr;
CComVariant varTS;
CComPtr<IXMLDOMElement> pTimestampElement;
hr = pDorSNode->QueryInterface(IID_IXMLDOMElement,(void**) &pTimestampElement);
if (FAILED(hr) || !pTimestampElement)
{
ASSERT(0 && "could not get attribute element");
}
hr = pTimestampElement->getAttribute(L"Timestamp_T0",&varTS);
if (FAILED(hr) )
{
ASSERT(0 && "could not get timestamp value from attribute");
}
if (1 == hr)
{
//this may be snapshot node...try "Timestamp"
hr = pTimestampElement->getAttribute(L"Timestamp",&varTS);
if (FAILED(hr) )
{
ASSERT(0 && "could not get timestamp value from attribute");
}
}
CComVariant varTzoneDeltaSeconds;
hr = pTimestampElement->getAttribute(L"TimeZone",&varTzoneDeltaSeconds);
if (FAILED(hr) ) //this will happen when loading WinME xml, which has no timezone info
{
varTzoneDeltaSeconds = 0;
}
//make sure we have an integer type
hr = varTzoneDeltaSeconds.ChangeType(VT_INT);
if (FAILED(hr) )
{
varTzoneDeltaSeconds = 0;
}
nTimeZone = varTzoneDeltaSeconds.intVal;
USES_CONVERSION;
pTimestampElement.Release();
*pString = OLE2T(varTS.bstrVal);
return hr;
}
//////////////////////////////////////////////////////////////////////
// utility functions
//////////////////////////////////////////////////////////////////////
CTime GetDateFromString(const CString& strDate, int nTimeZone)
{
//requires linking to Shlwapi.lib
CString strDateCopy(strDate);
CString strDateSegment;
//year is the 4 leftmost digits of date string
strDateSegment = strDateCopy.Left(4);
int nYear;
VERIFY(StrToIntEx(strDateSegment,STIF_DEFAULT ,&nYear));
// ASSERT(nYear == 1999 || nYear == 2000);
strDateCopy = strDateCopy.Right(strDateCopy.GetLength() - 4);
//month is now the 2 leftmost digits of remaining date string
int nMonth;
strDateSegment = strDateCopy.Left(2);
VERIFY(StrToIntEx(strDateSegment,STIF_DEFAULT ,&nMonth));
ASSERT(nMonth >= 1 && nMonth <= 12);
strDateCopy = strDateCopy.Right(strDateCopy.GetLength() - 2);
//day is now the 2 leftmost digits of remaining date string
int nDay;
strDateSegment = strDateCopy.Left(2);
VERIFY(StrToIntEx(strDateSegment,STIF_DEFAULT ,&nDay));
ASSERT(nDay >= 1 && nDay <= 31);
strDateCopy = strDateCopy.Right(strDateCopy.GetLength() - 2);
//hour is now the 2 leftmost digits of remaining date string
int nHour;
strDateSegment = strDateCopy.Left(2);
VERIFY(StrToIntEx(strDateSegment,STIF_DEFAULT ,&nHour));
ASSERT(nHour >= 0 && nHour <= 24);
strDateCopy = strDateCopy.Right(strDateCopy.GetLength() - 2);
//Minute is now the 2 leftmost digits of remaining date string
int nMin;
strDateSegment = strDateCopy.Left(2);
VERIFY(StrToIntEx(strDateSegment,STIF_DEFAULT ,&nMin));
ASSERT(nMin >= 0 && nMin <= 59);
strDateCopy = strDateCopy.Right(strDateCopy.GetLength() - 2);
//Minute is now the 2 leftmost digits of remaining date string
int nSec;
strDateSegment = strDateCopy.Left(2);
VERIFY(StrToIntEx(strDateSegment,STIF_DEFAULT ,&nSec));
ASSERT(nSec >= 0 && nSec <= 59);
strDateCopy = strDateCopy.Right(strDateCopy.GetLength() - 2);
CTime tmTime(nYear,nMonth,nDay,nHour,nMin,nSec);
#ifdef _V_STLOWE
CString strFMT;
CString strTime;
strFMT.LoadString(IDS_TIME_FORMAT);
strTime =tmTime.FormatGmt("%A, %B %d, %Y");
#endif
//Adjust for time zone
CTimeSpan tspan(0,0,nTimeZone,0);
tmTime -= tspan;
#ifdef _V_STLOWE
strFMT.LoadString(IDS_TIME_FORMAT);
strTime =tmTime.FormatGmt("%A, %B %d, %Y");
#endif
return tmTime;
}
//////////////////////////////////////////////////////////////////////////////////////////
//finds timestamp string for a given delta or snapshot node
//////////////////////////////////////////////////////////////////////////////////////////
CString GetPNPNameByID(CComPtr<IXMLDOMDocument> pDoc,CComBSTR bstrPNPID)
{
HRESULT hr;
CComPtr<IXMLDOMNodeList> pNodeList;
CComBSTR bstrQuery("INSTANCE[@CLASSNAME $ieq$ \"WIN32_PNPeNTITY\"] /PROPERTY[@NAME $ieq$ \"Description\"]");
hr = pDoc->getElementsByTagName(bstrQuery,&pNodeList);
if (FAILED(hr) || !pNodeList)
{
ASSERT(0 && "WIN32_PNPeNTITY error getting node list");
return "";
}
long lListLen;
hr = pNodeList->get_length(&lListLen);
ASSERT(lListLen > 0 && "No WIN32_PNPeNTITY nodes found to match query");
for(long i = 0; i < lListLen;i++)
{
CComPtr<IXMLDOMNode> pNode;
hr = pNodeList->nextNode(&pNode);
if (FAILED(hr) || !pNode)
{
ASSERT(0 && "could not get next node from list");
return "";
}
USES_CONVERSION;
CComPtr<IXMLDOMNode> pIDNode;
hr = pNode->get_nextSibling(&pIDNode);
if (FAILED(hr) || !pNode)
{
ASSERT(0 && "could not get next node from list");
return "";
}
//see if node's DeviceID subnode matches bstrPNPID
CComBSTR bstrDeviceID;
hr = pIDNode->get_text(&bstrDeviceID);
ASSERT(SUCCEEDED(hr) && "could not get text from ID node");
if (bstrDeviceID == bstrPNPID)
{
CComBSTR bstrDeviceDesc;
hr = pNode->get_text(&bstrDeviceDesc);
ASSERT(SUCCEEDED(hr) && "could not get text from Desc node");
return OLE2T(bstrDeviceDesc);
}
}
return "";
}
//////////////////////////////////////////////////////////////////////////////////////////
//returns true if any changes have been entered into CMSInfocategory data
//////////////////////////////////////////////////////////////////////////////////////////
BOOL CHistoryParser::AreThereChangeLines()
{
return this->m_fChangeLines;
}
//////////////////////////////////////////////////////////////////////////////////////////
//gets (from resources strings) a human-readable name for a the class wrapped the the instance
//////////////////////////////////////////////////////////////////////////////////////////
CString CInstance::GetClassFriendlyName()
{
CString strClassName = GetClassName();
if (strClassName.CompareNoCase(_T("Win32_PNPAllocatedResource")) == 0)
{
VERIFY(m_mapNameValue.Lookup(_T("ANTECEDENT"),strClassName) && _T("Could not find antecedent"));
}
CString strFriendlyName;
if (strClassName.CompareNoCase(_T("Win32_CodecFile")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_CODEC_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_ComputerSystem")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_COMPUTERSYSTEM_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_LogicalMemoryConfiguration")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_LOGICALMEMEORY_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_LogicalDisk")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_LOGICALDISK_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_IRQResource")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_IRQRESOURCE_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_DriverVXD")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_DRIVERVXD_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_DMAChannel")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_DMACHANNEL_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_DeviceMemoryAddress")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_DEVICEMEMORYADDRESS_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_NetworkProtocol")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_NETWORKPROTOCOL_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_OperatingSystem")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_OPERATINGSYSTEM_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_PNPAllocatedResource")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_PNPALLOCATEDRESOURCE_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_PNPEntity")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_PNPENTITY_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_PortResource")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_PORTRESOURCE_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_Printer")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_PRINTER_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_ProgramGroup")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_PROGRAMGROUP_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
if (strClassName.CompareNoCase(_T("Win32_StartupCommand")) == 0)
{
VERIFY(strFriendlyName.LoadString(IDS_STARTUPCOMMAND_DESC) && _T("could not find string resource"));
return strFriendlyName;
}
ASSERT(0 && "Unknown strClassName");
return "";
}