742 lines
19 KiB
C++
742 lines
19 KiB
C++
#include <crtdbg.h>
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#include <comdef.h>
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#include <iostream>
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#include <memory>
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#include <string>
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#include <wbemprov.h>
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#include <genlex.h> //for wmi object path parser
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#include <objbase.h>
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#include <wlbsconfig.h>
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#include <ntrkcomm.h>
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using namespace std;
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#include "objpath.h"
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#include "debug.h"
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#include "controlwrapper.h"
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#include "clusterwrapper.h"
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#include "utils.h"
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#include "wlbsparm.h"
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#include "control.h"
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#define NLB_DEFAULT_TIMEOUT 10
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////////////////////////////////////////////////////////////////////////////////
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//
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// FillResponseClass
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//
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// Purpose: This function is obsolete. It was used in old versions to fill a
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// a response parameter that was returned from the control methods
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// of the Node and Cluster classes.
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//
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////////////////////////////////////////////////////////////////////////////////
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void FillResponseClass
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(
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DWORD a_dwNumHosts,
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const WLBS_RESPONSE a_Response[],
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WLBS_RESPONSE a_cResponse[],
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LPCSTR a_szcommand
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)
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{
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ASSERT( a_szcommand );
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if( a_Response && a_cResponse ) {
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for( DWORD nIter = 0; nIter < a_dwNumHosts; nIter++ ) {
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a_cResponse [nIter] = a_Response[nIter];
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//GetStatusDesc( a_cResponse[nIter].status, a_szcommand, a_cResponse[nIter].m_szStatus );
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}
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}
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}
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void CWlbsControlWrapper::Initialize()
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{
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DWORD dwRet = m_WlbsControl.Initialize();
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if( dwRet != WLBS_PRESENT && dwRet != WLBS_LOCAL_ONLY)
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throw CErrorWlbsControl( dwRet, CmdWlbsInit );
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m_WlbsControl.WlbsTimeoutSet( WLBS_ALL_CLUSTERS, NLB_DEFAULT_TIMEOUT );
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CWlbsCluster** ppCluster;
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DWORD dwNumClusters = 0;
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//
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// Use the local password for local query
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//
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m_WlbsControl.EnumClusterObjects( ppCluster, &dwNumClusters);
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for (int i=0;i<dwNumClusters;i++)
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{
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m_WlbsControl.WlbsCodeSet( ppCluster[i]->GetClusterIp(),
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ppCluster[i]->GetPassword() );
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}
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}
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void CWlbsControlWrapper::ReInitialize()
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{
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m_WlbsControl.ReInitialize();
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CWlbsCluster** ppCluster;
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DWORD dwNumClusters = 0;
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//
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// In case pasword is changed, use the local password for local query
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//
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m_WlbsControl.EnumClusterObjects( ppCluster, &dwNumClusters);
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for (int i=0;i<dwNumClusters;i++)
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{
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//
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// If the change is not commited, the driver will still has the old password
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//
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if (!ppCluster[i]->IsCommitPending())
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{
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m_WlbsControl.WlbsCodeSet( ppCluster[i]->GetClusterIp(),
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ppCluster[i]->GetPassword() );
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}
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}
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}
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void CWlbsControlWrapper::EnumClusters(CWlbsClusterWrapper** & ppCluster, DWORD* pdwNumClusters)
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{
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m_WlbsControl.EnumClusterObjects( (CWlbsCluster** &) ppCluster, pdwNumClusters);
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWlbsControlWrapper::Disable
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//
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// Purpose: Disable ALL traffic handling for the rule containing the
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// specified port on specified host or all cluster hosts. Only rules
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// that are set for multiple host filtering mode are affected.
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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DWORD CWlbsControlWrapper::Disable
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(
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DWORD a_dwCluster ,
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DWORD a_dwHost ,
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WLBS_RESPONSE* a_pResponse ,
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DWORD& a_dwNumHosts ,
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DWORD a_dwVip ,
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DWORD a_dwPort
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)
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{
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DWORD dwRet;
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BOOL bClusterWide = ( a_dwNumHosts == WLBS_ALL_HOSTS );
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WLBS_RESPONSE Response[WLBS_MAX_HOSTS];
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DWORD dwNumHosts = WLBS_MAX_HOSTS;
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dwRet = m_WlbsControl.WlbsDisable( a_dwCluster ,
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a_dwHost ,
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Response ,
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&dwNumHosts ,
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a_dwVip ,
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a_dwPort
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);
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//check for Winsock errors
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if( dwRet > 10000 )
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{
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throw CErrorWlbsControl( dwRet, CmdWlbsQuery, bClusterWide );
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}
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//check the return value and throw if an error occurred
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switch( dwRet ) {
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case WLBS_INIT_ERROR:
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case WLBS_BAD_PASSW:
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case WLBS_TIMEOUT:
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case WLBS_LOCAL_ONLY:
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case WLBS_REMOTE_ONLY:
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case WLBS_IO_ERROR:
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throw CErrorWlbsControl( dwRet, CmdWlbsDisable, bClusterWide );
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break;
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}
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a_dwNumHosts = dwNumHosts;
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FillResponseClass( dwNumHosts, Response, a_pResponse, "disable" );
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return dwRet;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWlbsControlWrapper::Enable
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//
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// Purpose: Enable traffic handling for rule containing the
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// specified port on specified host or all cluster hosts. Only rules
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// that are set for multiple host filtering mode are affected.
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//
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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DWORD CWlbsControlWrapper::Enable
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(
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DWORD a_dwCluster ,
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DWORD a_dwHost ,
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WLBS_RESPONSE* a_pResponse ,
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DWORD& a_dwNumHosts ,
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DWORD a_dwVip ,
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DWORD a_dwPort
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)
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{
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DWORD dwRet;
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BOOL bClusterWide = ( a_dwNumHosts == WLBS_ALL_HOSTS );
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WLBS_RESPONSE Response[WLBS_MAX_HOSTS];
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DWORD dwNumHosts = WLBS_MAX_HOSTS;
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dwRet = m_WlbsControl.WlbsEnable( a_dwCluster ,
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a_dwHost ,
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Response ,
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&dwNumHosts ,
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a_dwVip ,
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a_dwPort
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);
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//check for Winsock errors
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if( dwRet > 10000 )
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{
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throw CErrorWlbsControl( dwRet, CmdWlbsQuery, bClusterWide );
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}
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//check the return value and throw if an error occurred
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switch(dwRet) {
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case WLBS_INIT_ERROR:
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case WLBS_BAD_PASSW:
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case WLBS_TIMEOUT:
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case WLBS_LOCAL_ONLY:
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case WLBS_REMOTE_ONLY:
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case WLBS_IO_ERROR:
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throw CErrorWlbsControl( dwRet, CmdWlbsEnable, bClusterWide );
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break;
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}
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a_dwNumHosts = dwNumHosts;
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FillResponseClass( dwNumHosts, Response, a_pResponse, "enable" );
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return dwRet;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWlbsControlWrapper::Drain
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//
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// Purpose: Disable NEW traffic handling for rule containing the specified
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// port on specified host or all cluster hosts. Only rules that are
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// set for multiple host filtering mode are affected.
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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DWORD CWlbsControlWrapper::Drain
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(
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DWORD a_dwCluster ,
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DWORD a_dwHost ,
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WLBS_RESPONSE* a_pResponse ,
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DWORD& a_dwNumHosts ,
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DWORD a_dwVip ,
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DWORD a_dwPort
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)
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{
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DWORD dwRet;
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BOOL bClusterWide = ( a_dwNumHosts == WLBS_ALL_HOSTS );
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WLBS_RESPONSE Response[WLBS_MAX_HOSTS];
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DWORD dwNumHosts = WLBS_MAX_HOSTS;
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dwRet = m_WlbsControl.WlbsDrain( a_dwCluster ,
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a_dwHost ,
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Response ,
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&dwNumHosts ,
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a_dwVip ,
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a_dwPort
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);
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//check for Winsock errors
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if( dwRet > 10000 )
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{
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throw CErrorWlbsControl( dwRet, CmdWlbsQuery, bClusterWide );
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}
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//check the return value and throw if an error occurred
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switch(dwRet) {
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case WLBS_INIT_ERROR:
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case WLBS_BAD_PASSW:
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case WLBS_TIMEOUT:
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case WLBS_LOCAL_ONLY:
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case WLBS_REMOTE_ONLY:
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case WLBS_IO_ERROR:
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throw CErrorWlbsControl( dwRet, CmdWlbsDrain, bClusterWide );
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break;
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}
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a_dwNumHosts = dwNumHosts;
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FillResponseClass( dwNumHosts, Response, a_pResponse, "drain" );
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return dwRet;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWlbsControlWrapper::DrainStop
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//
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// Purpose: Enter draining mode on specified host or all cluster hosts.
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// New connections will not be accepted. Cluster mode will be stopped
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// when all existing connections finish. While draining, host will
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// participate in convergence and remain part of the cluster.
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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DWORD CWlbsControlWrapper::DrainStop
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(
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DWORD a_dwCluster ,
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DWORD a_dwHost ,
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WLBS_RESPONSE* a_pResponse ,
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DWORD& a_dwNumHosts
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)
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{
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DWORD dwRet;
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BOOL bClusterWide = ( a_dwNumHosts == WLBS_ALL_HOSTS );
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WLBS_RESPONSE Response[WLBS_MAX_HOSTS];
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DWORD dwNumHosts = WLBS_MAX_HOSTS;
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dwRet = m_WlbsControl.WlbsDrainStop( a_dwCluster ,
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a_dwHost ,
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Response ,
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&dwNumHosts
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);
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//check for Winsock errors
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if( dwRet > 10000 )
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{
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throw CErrorWlbsControl( dwRet, CmdWlbsQuery, bClusterWide );
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}
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//check the return value and throw if an error occurred
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switch(dwRet) {
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case WLBS_INIT_ERROR:
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case WLBS_BAD_PASSW:
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case WLBS_TIMEOUT:
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case WLBS_LOCAL_ONLY:
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case WLBS_REMOTE_ONLY:
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case WLBS_IO_ERROR:
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throw CErrorWlbsControl( dwRet, CmdWlbsDrainStop, bClusterWide );
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break;
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}
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a_dwNumHosts = dwNumHosts;
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FillResponseClass( dwNumHosts, Response, a_pResponse, "drainstop" );
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return dwRet;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWlbsControlWrapper::Resume
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//
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// Purpose: Resume cluster operation control on specified host or all
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// cluster hosts.
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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DWORD CWlbsControlWrapper::Resume
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(
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DWORD a_dwCluster ,
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DWORD a_dwHost ,
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WLBS_RESPONSE* a_pResponse ,
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DWORD& a_dwNumHosts
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)
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{
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DWORD dwRet;
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BOOL bClusterWide = ( a_dwNumHosts == WLBS_ALL_HOSTS );
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WLBS_RESPONSE Response[WLBS_MAX_HOSTS];
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DWORD dwNumHosts = WLBS_MAX_HOSTS;
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dwRet = m_WlbsControl.WlbsResume(
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a_dwCluster ,
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a_dwHost ,
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Response ,
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&dwNumHosts
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);
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//check for Winsock errors
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if( dwRet > 10000 )
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{
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throw CErrorWlbsControl( dwRet, CmdWlbsQuery, bClusterWide );
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}
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//check the return value and throw if an error occurred
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switch(dwRet) {
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case WLBS_INIT_ERROR:
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case WLBS_BAD_PASSW:
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case WLBS_TIMEOUT:
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case WLBS_LOCAL_ONLY:
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case WLBS_REMOTE_ONLY:
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case WLBS_IO_ERROR:
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throw CErrorWlbsControl( dwRet, CmdWlbsResume, bClusterWide );
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break;
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}
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a_dwNumHosts = dwNumHosts;
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FillResponseClass( dwNumHosts, Response, a_pResponse, "resume" );
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return dwRet;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWlbsControlWrapper::Start
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//
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// Purpose: Start cluster operations on specified host or all cluster hosts.
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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DWORD CWlbsControlWrapper::Start
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(
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DWORD a_dwCluster ,
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DWORD a_dwHost ,
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WLBS_RESPONSE* a_pResponse ,
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DWORD& a_dwNumHosts
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)
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{
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DWORD dwRet;
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BOOL bClusterWide = ( a_dwNumHosts == WLBS_ALL_HOSTS );
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WLBS_RESPONSE Response[WLBS_MAX_HOSTS];
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DWORD dwNumHosts = WLBS_MAX_HOSTS;
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dwRet = m_WlbsControl.WlbsStart( a_dwCluster ,
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a_dwHost ,
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Response ,
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&dwNumHosts
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);
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//check for Winsock errors
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if( dwRet > 10000 )
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{
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throw CErrorWlbsControl( dwRet, CmdWlbsQuery, bClusterWide );
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}
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//check the return value and throw if an error occurred
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switch(dwRet) {
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case WLBS_INIT_ERROR:
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case WLBS_BAD_PASSW:
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case WLBS_TIMEOUT:
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case WLBS_LOCAL_ONLY:
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case WLBS_REMOTE_ONLY:
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case WLBS_IO_ERROR:
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throw CErrorWlbsControl( dwRet, CmdWlbsStart, bClusterWide );
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break;
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}
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a_dwNumHosts = dwNumHosts;
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FillResponseClass( dwNumHosts, Response, a_pResponse, "start" );
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return dwRet;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// CWlbsControlWrapper::Stop
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//
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// Purpose: Stop cluster operations on specified host or all cluster hosts.
|
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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DWORD CWlbsControlWrapper::Stop
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(
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DWORD a_dwCluster ,
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DWORD a_dwHost ,
|
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WLBS_RESPONSE* a_pResponse ,
|
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DWORD& a_dwNumHosts
|
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)
|
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{
|
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DWORD dwRet;
|
|
|
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BOOL bClusterWide = ( a_dwNumHosts == WLBS_ALL_HOSTS );
|
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|
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WLBS_RESPONSE Response[WLBS_MAX_HOSTS];
|
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DWORD dwNumHosts = WLBS_MAX_HOSTS;
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|
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dwRet = m_WlbsControl.WlbsStop(
|
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a_dwCluster ,
|
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a_dwHost ,
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Response ,
|
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&dwNumHosts
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);
|
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|
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//check for Winsock errors
|
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if( dwRet > 10000 )
|
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{
|
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throw CErrorWlbsControl( dwRet, CmdWlbsQuery, bClusterWide );
|
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}
|
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|
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//check the return value and throw if an error occurred
|
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switch(dwRet) {
|
|
|
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case WLBS_INIT_ERROR:
|
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case WLBS_BAD_PASSW:
|
|
case WLBS_TIMEOUT:
|
|
case WLBS_LOCAL_ONLY:
|
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case WLBS_REMOTE_ONLY:
|
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case WLBS_IO_ERROR:
|
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throw CErrorWlbsControl( dwRet, CmdWlbsStop, bClusterWide );
|
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break;
|
|
}
|
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|
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a_dwNumHosts = dwNumHosts;
|
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|
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FillResponseClass( dwNumHosts, Response, a_pResponse, "stop" );
|
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|
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return dwRet;
|
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}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CWlbsControlWrapper::Suspend
|
|
//
|
|
// Purpose: Suspend cluster operation control on specified host or
|
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// all cluster hosts.
|
|
//
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
DWORD CWlbsControlWrapper::Suspend
|
|
(
|
|
DWORD a_dwCluster ,
|
|
DWORD a_dwHost ,
|
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WLBS_RESPONSE* a_pResponse ,
|
|
DWORD& a_dwNumHosts
|
|
)
|
|
{
|
|
DWORD dwRet;
|
|
|
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BOOL bClusterWide = ( a_dwNumHosts == WLBS_ALL_HOSTS );
|
|
|
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WLBS_RESPONSE Response[WLBS_MAX_HOSTS];
|
|
DWORD dwNumHosts = WLBS_MAX_HOSTS;
|
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|
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dwRet = m_WlbsControl.WlbsSuspend( a_dwCluster ,
|
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a_dwHost ,
|
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Response ,
|
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&dwNumHosts
|
|
);
|
|
|
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//check for Winsock errors
|
|
if( dwRet > 10000 )
|
|
{
|
|
throw CErrorWlbsControl( dwRet, CmdWlbsQuery, bClusterWide );
|
|
}
|
|
|
|
//check the return value and throw if an error occurred
|
|
switch(dwRet) {
|
|
|
|
case WLBS_INIT_ERROR:
|
|
case WLBS_BAD_PASSW:
|
|
case WLBS_TIMEOUT:
|
|
case WLBS_LOCAL_ONLY:
|
|
case WLBS_REMOTE_ONLY:
|
|
case WLBS_IO_ERROR:
|
|
throw CErrorWlbsControl( dwRet, CmdWlbsSuspend, bClusterWide );
|
|
break;
|
|
}
|
|
|
|
a_dwNumHosts = dwNumHosts;
|
|
|
|
FillResponseClass( dwNumHosts, Response, a_pResponse, "suspend" );
|
|
|
|
return dwRet;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CWlbsControlWrapper::Query
|
|
//
|
|
// Purpose: This invokes WlbsQuery and returns a response structure along
|
|
// with other parameters if requested.
|
|
//
|
|
// Errors: The function throws CErrorWlbsControl.
|
|
//
|
|
// Return: Status value returned by the target host
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
DWORD CWlbsControlWrapper::Query
|
|
(
|
|
CWlbsClusterWrapper* pCluster,
|
|
DWORD a_dwHost ,
|
|
WLBS_RESPONSE* a_pResponse ,
|
|
PDWORD a_pdwNumHosts ,
|
|
PDWORD a_pdwHostMap
|
|
)
|
|
{
|
|
DWORD dwResponseSize = 0;
|
|
if (a_pdwNumHosts)
|
|
{
|
|
dwResponseSize = *a_pdwNumHosts;
|
|
*a_pdwNumHosts = 0;
|
|
}
|
|
|
|
|
|
DWORD dwRet;
|
|
BOOL bClusterWide = 0;
|
|
|
|
bClusterWide = ( a_dwHost == WLBS_ALL_HOSTS );
|
|
|
|
WLBS_RESPONSE Response[WLBS_MAX_HOSTS];
|
|
DWORD dwNumHosts = WLBS_MAX_HOSTS;
|
|
|
|
dwRet = m_WlbsControl.WlbsQuery(
|
|
(CWlbsCluster*)pCluster ,
|
|
a_dwHost ,
|
|
Response ,
|
|
&dwNumHosts ,
|
|
a_pdwHostMap,
|
|
NULL
|
|
);
|
|
|
|
string strOut;
|
|
|
|
//check for Winsock errors
|
|
if( dwRet > 10000 )
|
|
{
|
|
throw CErrorWlbsControl( dwRet, CmdWlbsQuery, bClusterWide );
|
|
}
|
|
|
|
//check the return value and throw if an error occurred
|
|
switch( dwRet ) {
|
|
case WLBS_INIT_ERROR:
|
|
case WLBS_BAD_PASSW:
|
|
case WLBS_TIMEOUT:
|
|
case WLBS_LOCAL_ONLY:
|
|
case WLBS_REMOTE_ONLY:
|
|
case WLBS_IO_ERROR:
|
|
|
|
throw CErrorWlbsControl( dwRet, CmdWlbsQuery, bClusterWide );
|
|
}
|
|
|
|
//local queries do not return the dedicated IP
|
|
//get the dedicated IP and fill the structure
|
|
if( a_dwHost == WLBS_LOCAL_HOST )
|
|
{
|
|
Response[0].address = pCluster->GetDedicatedIp();
|
|
}
|
|
|
|
if( a_pdwNumHosts )
|
|
{
|
|
*a_pdwNumHosts = _MIN(dwResponseSize, dwNumHosts);
|
|
FillResponseClass( dwNumHosts, Response, a_pResponse, "query" );
|
|
}
|
|
|
|
return dwRet;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CWlbsClusterWrapper::CheckMembership
|
|
//
|
|
// Purpose: This verifies that the local host is a member of the cluster
|
|
// specified by the Cluster IP in the registry. At the time this
|
|
// was written, there was a remote chance that a user can modify the
|
|
// IP address in the registry prior to the load of this DLL.
|
|
//
|
|
// Note, this call is only required for the Node, Cluster and linked
|
|
// associations and should not be invoked for any of the Setting classes.
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
void CWlbsControlWrapper::CheckMembership()
|
|
{
|
|
// todo: make sure the host is in at least one cluster
|
|
|
|
/*
|
|
WLBS_RESPONSE WlbsResponse;
|
|
DWORD dwResSize = 1;
|
|
|
|
//get the cluster and HostID
|
|
DWORD dwRes = pControl->Query( m_pWlbsCluster->GetClusterIp(),
|
|
WLBS_LOCAL_HOST,
|
|
&WlbsResponse,
|
|
&dwResSize,
|
|
NULL);
|
|
|
|
switch( dwRes ) {
|
|
case WLBS_SUSPENDED:
|
|
case WLBS_STOPPED:
|
|
case WLBS_CONVERGING:
|
|
case WLBS_DRAINING:
|
|
case WLBS_CONVERGED:
|
|
case WLBS_DEFAULT:
|
|
break;
|
|
default:
|
|
throw CErrorWlbsControl( dwRes, CmdWlbsQuery );
|
|
}
|
|
*/
|
|
// DWORD dwClusterIP;
|
|
// GetClusterIP( &dwClusterIP );
|
|
|
|
//if( dwClusterIP == 0 )
|
|
//throw _com_error( WBEM_E_NOT_FOUND );
|
|
|
|
//*******************************
|
|
//this section does not work when the remote control is disabled
|
|
//on the local host
|
|
//*******************************
|
|
|
|
//call the query function
|
|
// dwRes = WlbsQuery( dwClusterIP,
|
|
// WlbsResponse.id,
|
|
// NULL,
|
|
// NULL,
|
|
// NULL,
|
|
// NULL );
|
|
|
|
//analyze query results for errors
|
|
// switch( dwRes ) {
|
|
// case WLBS_OK:
|
|
// case WLBS_STOPPED:
|
|
// case WLBS_CONVERGING:
|
|
// case WLBS_CONVERGED:
|
|
// case WLBS_DEFAULT:
|
|
// case WLBS_DRAINING:
|
|
// case WLBS_SUSPENDED:
|
|
// return;
|
|
// default:
|
|
// throw CErrorWlbsControl( dwRes, CmdWlbsQuery );
|
|
// }
|
|
|
|
//*******************************
|
|
//this section does not work when the remote control is disabled
|
|
//on the local host
|
|
//*******************************
|
|
|
|
}
|