446 lines
11 KiB
C++
446 lines
11 KiB
C++
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#include "WLBS_Provider.h"
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#include "WLBS_ParticipatingNode.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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// CWLBS_ParticipatingNode::CWLBS_ParticipatingNode
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//
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// Purpose: Constructor
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//
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////////////////////////////////////////////////////////////////////////////////
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CWLBS_ParticipatingNode::CWLBS_ParticipatingNode(CWbemServices* a_pNameSpace,
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IWbemObjectSink* a_pResponseHandler)
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: CWlbs_Root( a_pNameSpace, a_pResponseHandler ), m_pNode(NULL)
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{
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m_pNode = new CWLBS_Node ( a_pNameSpace, a_pResponseHandler );
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if( !m_pNode )
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throw _com_error( WBEM_E_OUT_OF_MEMORY );
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBS_ParticipatingNode::~CWLBS_ParticipatingNode
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//
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// Purpose: Destructor
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//
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////////////////////////////////////////////////////////////////////////////////
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CWLBS_ParticipatingNode::~CWLBS_ParticipatingNode()
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{
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if( m_pNode )
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delete m_pNode;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBS_ParticipatingNode::Create
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//
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// Purpose: This instantiates this class and is invoked from an array of
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// function pointers.
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//
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////////////////////////////////////////////////////////////////////////////////
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CWlbs_Root* CWLBS_ParticipatingNode::Create
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(
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CWbemServices* a_pNameSpace,
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IWbemObjectSink* a_pResponseHandler
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)
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{
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g_pWlbsControl->CheckMembership();
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CWlbs_Root* pRoot = new CWLBS_ParticipatingNode( a_pNameSpace, a_pResponseHandler );
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if( !pRoot )
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throw _com_error( WBEM_E_OUT_OF_MEMORY );
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return pRoot;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBS_ParticipatingNode::GetInstance
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//
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// Purpose:
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//
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////////////////////////////////////////////////////////////////////////////////
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HRESULT CWLBS_ParticipatingNode::GetInstance
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(
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const ParsedObjectPath* /* a_pParsedPath */,
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long /* a_lFlags */,
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IWbemContext* /* a_pIContex */
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)
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{
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IWbemClassObject* pWlbsInstance = NULL;
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HRESULT hRes = 0;
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try {
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//TODO: remove
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throw _com_error( WBEM_E_NOT_SUPPORTED );
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/*
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//get the node
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FindInstance( &pWlbsInstance, a_pParsedPath );
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//send the results back to WinMgMt
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m_pResponseHandler->Indicate( 1, &pWlbsInstance );
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if( pWlbsInstance ) {
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pWlbsInstance->Release();
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pWlbsInstance = NULL;
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}
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m_pResponseHandler->SetStatus( 0, WBEM_S_NO_ERROR, NULL, NULL );
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*/
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hRes = WBEM_S_NO_ERROR;
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}
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catch(CErrorWlbsControl Err) {
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IWbemClassObject* pWbemExtStat = NULL;
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CreateExtendedStatus( m_pNameSpace,
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&pWbemExtStat,
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Err.Error(),
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(PWCHAR)(Err.Description()) );
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m_pResponseHandler->SetStatus(0, WBEM_E_FAILED, NULL, pWbemExtStat);
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if( pWbemExtStat )
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pWbemExtStat->Release();
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if( pWlbsInstance )
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pWlbsInstance->Release();
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//do not return WBEM_E_FAILED, this causes a race condition
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hRes = WBEM_S_NO_ERROR;
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}
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catch(_com_error HResErr ) {
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m_pResponseHandler->SetStatus(0, HResErr.Error(), NULL, NULL);
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if( pWlbsInstance )
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pWlbsInstance->Release();
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hRes = HResErr.Error();
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}
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catch(...) {
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if( pWlbsInstance )
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pWlbsInstance->Release();
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throw;
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}
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return hRes;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBS_ParticipatingNode::EnumInstances
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//
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// Purpose: Queries WLBS for desired node instances then constructs an
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// an associator for each node found.
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//
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////////////////////////////////////////////////////////////////////////////////
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HRESULT CWLBS_ParticipatingNode::EnumInstances
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(
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BSTR /* a_bstrClass */,
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long /* a_lFlags */,
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IWbemContext* /* a_pIContex */
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)
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{
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IWbemClassObject** ppWlbsInstance = NULL;
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WLBS_RESPONSE* pResponse = NULL;
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HRESULT hRes = 0;
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long nNumNodes = 0;
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try {
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DWORD dwNumClusters = 0;
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CWlbsClusterWrapper** ppCluster = NULL;
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g_pWlbsControl->EnumClusters(ppCluster, &dwNumClusters);
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if (dwNumClusters == 0)
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{
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throw _com_error( WBEM_E_NOT_FOUND );
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}
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//declare an IWbemClassObject smart pointer
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IWbemClassObjectPtr pWlbsClass;
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//get the MOF class object
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hRes = m_pNameSpace->GetObject(
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_bstr_t( MOF_PARTICIPATINGNODE::szName ),
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0,
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NULL,
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&pWlbsClass,
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NULL );
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if( FAILED( hRes ) ) {
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throw _com_error( hRes );
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}
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for (DWORD iCluster=0; iCluster<dwNumClusters; iCluster++)
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{
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//call the API query function to find the nodes
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try {
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m_pNode->FindAllInstances(ppCluster[iCluster], &pResponse, nNumNodes, NULL );
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} catch (CErrorWlbsControl Err) {
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//
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// Skip this cluster
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//
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continue;
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}
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//spawn an instance of the participating node associator
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//for each node found
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ppWlbsInstance = new IWbemClassObject *[nNumNodes];
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if( !ppWlbsInstance )
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throw _com_error( WBEM_E_OUT_OF_MEMORY );
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//initialize array
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ZeroMemory( ppWlbsInstance, nNumNodes * sizeof(IWbemClassObject *) );
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for(int i = 0; i < nNumNodes; i ++ ) {
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hRes = pWlbsClass->SpawnInstance( 0, &ppWlbsInstance[i] );
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if( FAILED( hRes ) )
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throw _com_error( hRes );
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FillWbemInstance(ppCluster[iCluster], *(ppWlbsInstance + i), pResponse + i );
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}
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//send the results back to WinMgMt
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hRes = m_pResponseHandler->Indicate( nNumNodes, ppWlbsInstance );
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if( FAILED( hRes ) ) {
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throw _com_error( hRes );
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}
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if( ppWlbsInstance ) {
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for( i = 0; i < nNumNodes; i++ ) {
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if( ppWlbsInstance[i] ) {
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ppWlbsInstance[i]->Release();
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}
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}
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delete [] ppWlbsInstance;
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}
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if( pResponse )
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delete [] pResponse;
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}
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m_pResponseHandler->SetStatus( 0, WBEM_S_NO_ERROR, NULL, NULL );
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hRes = WBEM_S_NO_ERROR;
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}
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catch(CErrorWlbsControl Err) {
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IWbemClassObject* pWbemExtStat = NULL;
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CreateExtendedStatus( m_pNameSpace,
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&pWbemExtStat,
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Err.Error(),
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(PWCHAR)(Err.Description()) );
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m_pResponseHandler->SetStatus(0, WBEM_E_FAILED, NULL, pWbemExtStat);
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if( pWbemExtStat )
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pWbemExtStat->Release();
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if( ppWlbsInstance ) {
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for(int i = 0; i < nNumNodes; i++ ) {
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if( ppWlbsInstance[i] ) {
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ppWlbsInstance[i]->Release();
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}
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}
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delete [] ppWlbsInstance;
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}
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if( pResponse )
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delete [] pResponse;
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//do not return WBEM_E_FAILED, this causes a race condition
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hRes = WBEM_S_NO_ERROR;
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}
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catch(_com_error HResErr ) {
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m_pResponseHandler->SetStatus(0, HResErr.Error(), NULL, NULL);
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if( ppWlbsInstance ) {
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for(int i = 0; i < nNumNodes; i++ ) {
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if( ppWlbsInstance[i] ) {
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ppWlbsInstance[i]->Release();
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}
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}
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delete [] ppWlbsInstance;
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}
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if( pResponse )
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delete [] pResponse;
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hRes = HResErr.Error();
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}
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catch(...) {
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if( ppWlbsInstance ) {
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for(int i = 0; i < nNumNodes; i++ ) {
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if( ppWlbsInstance[i] ) {
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ppWlbsInstance[i]->Release();
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}
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}
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delete [] ppWlbsInstance;
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}
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if( pResponse )
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delete [] pResponse;
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throw;
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}
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return hRes;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBS_ParticipatingNode::FindInstance
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//
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// Purpose: This routine determines if a host is within the local cluster. If
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// it is, then the requested associator is returned.
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//
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////////////////////////////////////////////////////////////////////////////////
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void CWLBS_ParticipatingNode::FindInstance
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(
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IWbemClassObject** /* a_ppWbemInstance */,
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const ParsedObjectPath* /* a_pParsedPath */
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)
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{
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWLBS_ParticipatingNode::FillWbemInstance
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//
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// Purpose: This constructs the ParticipatingNode wbem associator.
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//
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////////////////////////////////////////////////////////////////////////////////
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void CWLBS_ParticipatingNode::FillWbemInstance
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(
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CWlbsClusterWrapper* pCluster,
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IWbemClassObject* a_pWbemInstance,
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WLBS_RESPONSE* a_pResponse
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)
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{
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namespace PNODE = MOF_PARTICIPATINGNODE;
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ASSERT( a_pWbemInstance );
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ASSERT( a_pResponse );
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ParsedObjectPath NodePath;
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ParsedObjectPath ClusterPath;
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LPWSTR szNodePath = NULL;
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LPWSTR szClusterPath = NULL;
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try {
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//set the names of the classes
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if( !NodePath.SetClassName( MOF_NODE::szName ) )
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throw _com_error( WBEM_E_FAILED );
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if( !ClusterPath.SetClassName( MOF_CLUSTER::szName ) )
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throw _com_error( WBEM_E_FAILED );
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//Get the node name
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wstring wstrHostName;
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ConstructHostName( wstrHostName, pCluster->GetClusterIpOrIndex(g_pWlbsControl),
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a_pResponse->id );
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//Get the cluster name
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wstring wstrClusterName;
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AddressToString( pCluster->GetClusterIpOrIndex(g_pWlbsControl), wstrClusterName );
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//set the keys for the node and cluster
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if( !NodePath.AddKeyRef( MOF_NODE::pProperties[MOF_NODE::NAME],
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&_variant_t(wstrHostName.c_str()) ) )
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throw _com_error( WBEM_E_FAILED );
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if( !ClusterPath.AddKeyRef( MOF_CLUSTER::pProperties[MOF_CLUSTER::NAME],
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&_variant_t(wstrClusterName.c_str())) )
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throw _com_error( WBEM_E_FAILED );
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//convert parsed object paths to strings
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if (CObjectPathParser::Unparse(&NodePath, &szNodePath) != CObjectPathParser::NoError)
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throw _com_error( WBEM_E_FAILED );
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if (CObjectPathParser::Unparse(&ClusterPath, &szClusterPath) != CObjectPathParser::NoError)
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throw _com_error( WBEM_E_FAILED );
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//Node reference
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HRESULT hRes = a_pWbemInstance->Put
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(
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_bstr_t( PNODE::pProperties[PNODE::NODE] ),
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0,
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&_variant_t(szNodePath),
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NULL
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);
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if( FAILED( hRes ) )
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|
|
throw _com_error( hRes );
|
||
|
|
|
||
|
|
//Cluster reference
|
||
|
|
hRes = a_pWbemInstance->Put
|
||
|
|
(
|
||
|
|
_bstr_t( PNODE::pProperties[PNODE::CLUSTER] ),
|
||
|
|
0,
|
||
|
|
&_variant_t(szClusterPath),
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
|
||
|
|
if( FAILED( hRes ) )
|
||
|
|
throw _com_error( hRes );
|
||
|
|
|
||
|
|
//free resources
|
||
|
|
ClusterPath.ClearKeys();
|
||
|
|
NodePath.ClearKeys();
|
||
|
|
|
||
|
|
if( szNodePath )
|
||
|
|
delete (szNodePath);
|
||
|
|
|
||
|
|
if( szClusterPath )
|
||
|
|
delete (szClusterPath);
|
||
|
|
|
||
|
|
} catch (...) {
|
||
|
|
|
||
|
|
ClusterPath.ClearKeys();
|
||
|
|
NodePath.ClearKeys();
|
||
|
|
|
||
|
|
if( szNodePath )
|
||
|
|
delete (szNodePath);
|
||
|
|
|
||
|
|
if( szClusterPath )
|
||
|
|
delete (szClusterPath);
|
||
|
|
|
||
|
|
throw;
|
||
|
|
}
|
||
|
|
}
|