620 lines
16 KiB
C++
620 lines
16 KiB
C++
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////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1997-1999 Microsoft Corporation.
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//
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// File: WLBSProvider.CPP
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//
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// Module: WLBS Instance Provider
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//
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// Purpose: Defines the CWLBSProvider class. An object of this class is
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// created by the class factory for each connection.
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//
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// History:
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//
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////////////////////////////////////////////////////////////////////////////////
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#define ENABLE_PROFILE
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#include <objbase.h>
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#include <process.h>
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#include "WLBS_Provider.h"
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#include "ClusterWrapper.h"
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#include "ControlWrapper.h"
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#include "utils.h"
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////////////////////////////////////////////////////////////////////////////////
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//
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//CWLBSProvider::CWLBSProvider
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// CWLBSProvider::~CWLBSProvider
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//
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////////////////////////////////////////////////////////////////////////////////
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CWLBSProvider::CWLBSProvider(
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BSTR a_strObjectPath,
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BSTR a_strUser,
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BSTR a_strPassword,
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IWbemContext * a_pContex
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)
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{
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m_pNamespace = NULL;
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InterlockedIncrement(&g_cComponents);
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return;
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}
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CWLBSProvider::~CWLBSProvider(void)
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{
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InterlockedDecrement(&g_cComponents);
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return;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBSProvider::Initialize
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//
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// Purpose: This is the implementation of IWbemProviderInit. The method
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// is called by WinMgMt.
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//
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////////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP CWLBSProvider::Initialize(
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LPWSTR a_pszUser,
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LONG a_lFlags,
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LPWSTR a_pszNamespace,
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LPWSTR a_pszLocale,
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IWbemServices * a_pNamespace,
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IWbemContext * a_pCtx,
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IWbemProviderInitSink * a_pInitSink
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)
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{
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PROFILE("CWLBSProvider::Initialize");
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try {
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//!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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//g_pWlbsControl must be initialized when the first COM instance is invoked
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//and it must stay alive for the lifetime of the DLL, i.e. do NOT DESTROY
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//it in the destructor of this CLASS until the API cache of the Cluster IP
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//and Password are REMOVED.
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//DO NOT INITIALIZE g_pWlbsControl in DLLMain. DLLMain is invoked with regsvr32
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//and we do not want to initialize WinSock at that time!!! This will BREAK the
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//installation process of the provider.
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//!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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if( g_pWlbsControl == NULL ) {
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g_pWlbsControl = new CWlbsControlWrapper();
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if( g_pWlbsControl == NULL)
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throw _com_error( WBEM_E_OUT_OF_MEMORY );
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}
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g_pWlbsControl->Initialize();
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return CImpersonatedProvider::Initialize
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(
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a_pszUser,
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a_lFlags,
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a_pszNamespace,
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a_pszLocale,
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a_pNamespace,
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a_pCtx,
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a_pInitSink
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);
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}
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catch (...)
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{
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#ifdef DBG // In debug version, popup a message box for AV
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MessageBoxExA(NULL,"Wlbs Provider Failure.","Wlbs Provider Access Violation",
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MB_TOPMOST | MB_ICONHAND | MB_OK | MB_SERVICE_NOTIFICATION,LANG_USER_DEFAULT);
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#endif
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return WBEM_E_FAILED;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBSProvider::CreateInstanceEnumAsync
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//
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// Purpose: Asynchronously enumerates the instances.
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//
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////////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP CWLBSProvider::DoCreateInstanceEnumAsync(
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BSTR a_strClass,
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long a_lFlags,
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IWbemContext * a_pIContex,
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IWbemObjectSink * a_pIResponseHandler
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)
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{
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ASSERT(g_pWlbsControl);
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if (g_pWlbsControl)
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{
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//
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// Re-enumerate all the clusters
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//
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g_pWlbsControl->ReInitialize();
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}
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try {
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auto_ptr<CWlbs_Root> pMofClass;
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//create an instance of the appropriate MOF support class
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HRESULT hRes = GetMOFSupportClass(a_strClass, pMofClass, a_pIResponseHandler);
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//call the appropriate wrapper class GetInstance method
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if( SUCCEEDED( hRes ) && pMofClass.get() != NULL)
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hRes = pMofClass->EnumInstances( a_strClass );
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return hRes;
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}
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catch(_com_error HResErr ) {
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a_pIResponseHandler->SetStatus(0, HResErr.Error(), NULL, NULL);
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return HResErr.Error();
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}
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catch(...) {
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#ifdef DBG // In debug version, popup a message box for AV
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MessageBoxExA(NULL,"Wlbs Provider Failure.","Wlbs Provider Access Violation",
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MB_TOPMOST | MB_ICONHAND | MB_OK | MB_SERVICE_NOTIFICATION,LANG_USER_DEFAULT);
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#endif
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a_pIResponseHandler->SetStatus(0, WBEM_E_FAILED, NULL, NULL);
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return WBEM_E_FAILED;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBSProvider::GetObjectAsync
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//
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// Purpose: Gets an instance for a particular object path
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//
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////////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP CWLBSProvider::DoGetObjectAsync(
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BSTR a_strObjectPath,
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long a_lFlags,
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IWbemContext * a_pIContex,
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IWbemObjectSink * a_pIResponseHandler
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)
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{
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ASSERT(g_pWlbsControl);
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if (g_pWlbsControl)
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{
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//
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// Re-enumerate all the clusters
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//
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g_pWlbsControl->ReInitialize();
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}
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ParsedObjectPath* pParsedPath = NULL;
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try {
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auto_ptr<CWlbs_Root> pMofClass;
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//parse the object path
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ParseObjectPath( a_strObjectPath, &pParsedPath );
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//create an instance of the appropriate MOF support class
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HRESULT hRes = GetMOFSupportClass( pParsedPath->m_pClass, pMofClass, a_pIResponseHandler );
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//call the appropriate wrapper class GetInstance method
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if( SUCCEEDED( hRes ) && pMofClass.get() != NULL)
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hRes = pMofClass->GetInstance( pParsedPath );
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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return hRes;
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}
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catch(_com_error HResErr) {
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a_pIResponseHandler->SetStatus(0, HResErr.Error(), NULL, NULL);
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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return HResErr.Error();
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}
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catch(...) {
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#ifdef DBG // In debug version, popup a message box for AV
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MessageBoxExA(NULL,"Wlbs Provider Failure.","Wlbs Provider Access Violation",
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MB_TOPMOST | MB_ICONHAND | MB_OK | MB_SERVICE_NOTIFICATION,LANG_USER_DEFAULT);
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#endif
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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a_pIResponseHandler->SetStatus(0, WBEM_E_FAILED, NULL, NULL);
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return WBEM_E_FAILED;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBSProvider::DoDeleteInstanceAsync
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//
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// Purpose: Gets an instance from a particular object path
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//
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////////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP CWLBSProvider::DoDeleteInstanceAsync(
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BSTR a_strObjectPath,
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long a_lFlags,
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IWbemContext * a_pIContex,
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IWbemObjectSink * a_pIResponseHandler
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)
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{
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ASSERT(g_pWlbsControl);
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if (g_pWlbsControl)
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{
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//
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// Re-enumerate all the clusters
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//
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g_pWlbsControl->ReInitialize();
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}
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ParsedObjectPath* pParsedPath = NULL;
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try {
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auto_ptr<CWlbs_Root> pMofClass;
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//parse the object path
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ParseObjectPath( a_strObjectPath, &pParsedPath );
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//create an instance of the appropriate MOF support class
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HRESULT hRes = GetMOFSupportClass( pParsedPath->m_pClass, pMofClass, a_pIResponseHandler );
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//call the appropriate wrapper class GetInstance method
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if( SUCCEEDED( hRes ) && pMofClass.get() != NULL)
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hRes = pMofClass->DeleteInstance( pParsedPath );
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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return hRes;
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}
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catch(_com_error HResErr) {
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a_pIResponseHandler->SetStatus(0, HResErr.Error(), NULL, NULL);
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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return HResErr.Error();
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}
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catch(...) {
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#ifdef DBG // In debug version, popup a message box for AV
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MessageBoxExA(NULL,"Wlbs Provider Failure.","Wlbs Provider Access Violation",
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MB_TOPMOST | MB_ICONHAND | MB_OK | MB_SERVICE_NOTIFICATION,LANG_USER_DEFAULT);
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#endif
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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a_pIResponseHandler->SetStatus(0, WBEM_E_FAILED, NULL, NULL);
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return WBEM_E_FAILED;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBSProvider::ExecMethodAsync
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//
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// Purpose: Executes a MOF class method.
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//
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////////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP CWLBSProvider::DoExecMethodAsync(
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BSTR a_strObjectPath,
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BSTR a_strMethodName,
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long a_lFlags,
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IWbemContext * a_pIContex,
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IWbemClassObject * a_pIInParams,
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IWbemObjectSink * a_pIResponseHandler
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)
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{
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ASSERT(g_pWlbsControl);
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if (g_pWlbsControl)
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{
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//
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// Re-enumerate all the clusters
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//
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g_pWlbsControl->ReInitialize();
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}
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ParsedObjectPath* pParsedPath = NULL;
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try {
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//parse the object path
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auto_ptr<CWlbs_Root> pMofClass;
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//parse the object path
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ParseObjectPath(a_strObjectPath, &pParsedPath);
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//create an instance of the appropriate MOF support class
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HRESULT hRes = GetMOFSupportClass(pParsedPath->m_pClass, pMofClass, a_pIResponseHandler);
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//execute MOF class method
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if( SUCCEEDED( hRes ) && pMofClass.get() != NULL)
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hRes = pMofClass->ExecMethod( pParsedPath,
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a_strMethodName,
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0,
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NULL,
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a_pIInParams );
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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return hRes;
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}
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catch(_com_error HResErr) {
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a_pIResponseHandler->SetStatus(0, HResErr.Error(), NULL, NULL);
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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return HResErr.Error();
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}
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catch(...) {
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#ifdef DBG // In debug version, popup a message box for AV
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MessageBoxExA(NULL,"Wlbs Provider Failure.","Wlbs Provider Access Violation",
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MB_TOPMOST | MB_ICONHAND | MB_OK | MB_SERVICE_NOTIFICATION,LANG_USER_DEFAULT);
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#endif
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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a_pIResponseHandler->SetStatus(0, WBEM_E_FAILED, NULL, NULL);
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return WBEM_E_FAILED;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBSProvider::PutInstanceAsync
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//
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// Purpose: Creates or modifies an instance
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//
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////////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP CWLBSProvider::DoPutInstanceAsync
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(
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IWbemClassObject* a_pInst,
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long a_lFlags,
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||
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IWbemContext* a_pIContex,
|
||
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IWbemObjectSink* a_pIResponseHandler
|
||
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|
)
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||
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{
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ASSERT(g_pWlbsControl);
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||
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if (g_pWlbsControl)
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||
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{
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//
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||
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// Re-enumerate all the clusters
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//
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g_pWlbsControl->ReInitialize();
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}
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ParsedObjectPath* pParsedPath = NULL;
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HRESULT hRes = 0;
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try {
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wstring szClass;
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auto_ptr<CWlbs_Root> pMofClass;
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//retrieve the class name
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GetClass( a_pInst, szClass );
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//create an instance of the appropriate MOF support class
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hRes = GetMOFSupportClass( szClass.c_str(), pMofClass, a_pIResponseHandler );
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//call the appropriate wrapper class PutInstance method
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if( SUCCEEDED( hRes ) && pMofClass.get() != NULL)
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hRes = pMofClass->PutInstance( a_pInst );
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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}
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catch(_com_error HResErr) {
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a_pIResponseHandler->SetStatus(0, HResErr.Error(), NULL, NULL);
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if( pParsedPath )
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CObjectPathParser().Free( pParsedPath );
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hRes = HResErr.Error();
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}
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|
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||
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catch(...) {
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|
|
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#ifdef DBG // In debug version, popup a message box for AV
|
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|
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MessageBoxExA(NULL,"Wlbs Provider Failure.","Wlbs Provider Access Violation",
|
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MB_TOPMOST | MB_ICONHAND | MB_OK | MB_SERVICE_NOTIFICATION,LANG_USER_DEFAULT);
|
||
|
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#endif
|
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|
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|
||
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if( pParsedPath )
|
||
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CObjectPathParser().Free( pParsedPath );
|
||
|
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a_pIResponseHandler->SetStatus(0, WBEM_E_FAILED, NULL, NULL);
|
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|
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hRes = WBEM_E_FAILED;
|
||
|
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||
|
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}
|
||
|
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|
||
|
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return hRes;
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
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// CWLBSProvider::GetMOFSupportClass
|
||
|
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//
|
||
|
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// Purpose: Determines which MOF class is requested and instantiates the
|
||
|
|
// appropriate internal support class.
|
||
|
|
//
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
HRESULT CWLBSProvider::GetMOFSupportClass(
|
||
|
|
LPCWSTR a_szObjectClass,
|
||
|
|
auto_ptr<CWlbs_Root>& a_pMofClass,
|
||
|
|
IWbemObjectSink* a_pResponseHandler )
|
||
|
|
{
|
||
|
|
|
||
|
|
HRESULT hRes = 0;
|
||
|
|
|
||
|
|
try {
|
||
|
|
for( DWORD i = 0; i < MOF_CLASSES::NumClasses; i++ ) {
|
||
|
|
if( _wcsicmp( a_szObjectClass, MOF_CLASSES::g_szMOFClassList[i] ) == 0) {
|
||
|
|
a_pMofClass = auto_ptr<CWlbs_Root>
|
||
|
|
(MOF_CLASSES::g_pCreateFunc[i]( m_pNamespace, a_pResponseHandler ));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
catch(CErrorWlbsControl Err) {
|
||
|
|
|
||
|
|
IWbemClassObject* pWbemExtStat = NULL;
|
||
|
|
|
||
|
|
CWlbs_Root::CreateExtendedStatus( m_pNamespace,
|
||
|
|
&pWbemExtStat,
|
||
|
|
Err.Error(),
|
||
|
|
(PWCHAR)(Err.Description()) );
|
||
|
|
|
||
|
|
a_pResponseHandler->SetStatus(0, WBEM_E_FAILED, NULL, pWbemExtStat);
|
||
|
|
|
||
|
|
//do not return WBEM_E_FAILED, this causes a race condition
|
||
|
|
hRes = WBEM_S_NO_ERROR;
|
||
|
|
|
||
|
|
pWbemExtStat->Release();
|
||
|
|
}
|
||
|
|
|
||
|
|
return hRes;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// CWLBSProvider::ParseObjectPath
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
void CWLBSProvider::ParseObjectPath(
|
||
|
|
const BSTR a_strObjectPath,
|
||
|
|
ParsedObjectPath **a_pParsedObjectPath )
|
||
|
|
{
|
||
|
|
CObjectPathParser PathParser;
|
||
|
|
|
||
|
|
ASSERT( a_pParsedObjectPath );
|
||
|
|
|
||
|
|
//make sure this is NULL
|
||
|
|
*a_pParsedObjectPath = NULL;
|
||
|
|
|
||
|
|
|
||
|
|
int nStatus = PathParser.Parse(a_strObjectPath, a_pParsedObjectPath);
|
||
|
|
|
||
|
|
if(nStatus != 0) {
|
||
|
|
|
||
|
|
if( *a_pParsedObjectPath)
|
||
|
|
PathParser.Free( *a_pParsedObjectPath );
|
||
|
|
|
||
|
|
throw _com_error( WBEM_E_FAILED );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// CWLBSProvider::GetClass
|
||
|
|
//
|
||
|
|
// Purpose: Retrieve the class name from an IWbemClassObject.
|
||
|
|
//
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
void CWLBSProvider::GetClass(
|
||
|
|
IWbemClassObject* a_pClassObject,
|
||
|
|
wstring& a_szClass )
|
||
|
|
{
|
||
|
|
BSTR strClassName = NULL;
|
||
|
|
VARIANT vClassName;
|
||
|
|
HRESULT hRes;
|
||
|
|
|
||
|
|
try {
|
||
|
|
|
||
|
|
VariantInit( &vClassName );
|
||
|
|
|
||
|
|
strClassName = SysAllocString( L"__Class" );
|
||
|
|
|
||
|
|
if( !strClassName )
|
||
|
|
throw _com_error( WBEM_E_OUT_OF_MEMORY );
|
||
|
|
|
||
|
|
hRes = a_pClassObject->Get( strClassName,
|
||
|
|
0,
|
||
|
|
&vClassName,
|
||
|
|
NULL,
|
||
|
|
NULL);
|
||
|
|
|
||
|
|
if( FAILED( hRes ) )
|
||
|
|
throw _com_error( hRes );
|
||
|
|
|
||
|
|
a_szClass.assign( static_cast<LPWSTR>(vClassName.bstrVal) );
|
||
|
|
|
||
|
|
// CLD: Need to check return code for error
|
||
|
|
if (S_OK != VariantClear( &vClassName ))
|
||
|
|
throw _com_error( WBEM_E_FAILED );
|
||
|
|
|
||
|
|
if( strClassName ) {
|
||
|
|
SysFreeString( strClassName );
|
||
|
|
strClassName = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
catch( ... ) {
|
||
|
|
|
||
|
|
// CLD: Need to check return code for error
|
||
|
|
// No throw here since we are already throwing an exception.
|
||
|
|
VariantClear( &vClassName );
|
||
|
|
|
||
|
|
if( strClassName ) {
|
||
|
|
SysFreeString( strClassName );
|
||
|
|
strClassName = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
throw;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|