Leaked source code of windows server 2003
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/////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1998-2002 Microsoft Corporation
//
// Module Name:
// Version.cpp
//
// Description:
// Implementation of the cluster version classes for the MSCLUS
// automation classes.
//
// Author:
// Galen Barbee (galenb) 26-Oct-1998
//
// Revision History:
//
// Notes:
//
/////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "version.h"
/////////////////////////////////////////////////////////////////////////////
// Global variables
/////////////////////////////////////////////////////////////////////////////
static const IID * iidCClusVersion[] =
{
&IID_ISClusVersion
};
//*************************************************************************//
/////////////////////////////////////////////////////////////////////////////
// CClusVersion class
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::CClusVersion
//
// Description:
// Constructor
//
// Arguments:
// None.
//
// Return Value:
// None.
//
//--
/////////////////////////////////////////////////////////////////////////////
CClusVersion::CClusVersion( void )
{
m_piids = (const IID *) iidCClusVersion;
m_piidsSize = ARRAYSIZE( iidCClusVersion );
ZeroMemory( &m_clusinfo, sizeof( m_clusinfo ) );
m_clusinfo.dwVersionInfoSize = sizeof( m_clusinfo );
} //*** CClusVersion::CClusVersion()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::Create
//
// Description:
// Finish creating this object from the data in the cluster.
//
// Arguments:
// pClusRefObject [IN] - Wraps the cluster handle.
//
// Return Value:
// S_OK if successful, other HRESULT error, or other Win32 error.
//
//--
/////////////////////////////////////////////////////////////////////////////
HRESULT CClusVersion::Create( IN ISClusRefObject * pClusRefObject )
{
ASSERT( pClusRefObject != NULL );
HRESULT _hr = E_POINTER;
if ( pClusRefObject != NULL )
{
HCLUSTER _hCluster = NULL;
m_ptrClusRefObject = pClusRefObject;
_hr = m_ptrClusRefObject->get_Handle( (ULONG_PTR *) &_hCluster );
if ( SUCCEEDED( _hr ) )
{
LPWSTR _pwszName = NULL;
DWORD _sc;
_sc = ::WrapGetClusterInformation( _hCluster, &_pwszName, &m_clusinfo );
if ( _sc == ERROR_SUCCESS )
{
m_bstrClusterName = _pwszName;
::LocalFree( _pwszName );
_pwszName = NULL;
} // if: WrapGetClusterInformation OK
_hr = HRESULT_FROM_WIN32( _sc );
} //if: get cluster handle
} // if: pClusRefObject != NULL
return _hr;
} //*** CClusVersion::Create()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::get_Name
//
// Description:
// Return the name of the cluster.
//
// Arguments:
// pbstrClusterName [OUT] - Catches the name of this cluster.
//
// Return Value:
// S_OK if successful, or E_POINTER.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CClusVersion::get_Name( OUT BSTR * pbstrClusterName )
{
//ASSERT( pbstrClusterName != NULL );
HRESULT _hr = E_POINTER;
if ( pbstrClusterName != NULL )
{
*pbstrClusterName = m_bstrClusterName.Copy();
_hr = S_OK;
}
return _hr;
} //*** CClusVersion::get_Name()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::get_VendorId
//
// Description:
// Return the vendor ID from the CLUSTERVERSIONINFO struct.
//
// Arguments:
// pbstrVendorId [OUT] - Catches the value of the vendo id.
//
// Return Value:
// S_OK if successful, or E_POINTER.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CClusVersion::get_VendorId( OUT BSTR * pbstrVendorId )
{
//ASSERT( pbstrVendorId != NULL );
HRESULT _hr = E_POINTER;
if ( pbstrVendorId != NULL )
{
*pbstrVendorId = ::SysAllocString( m_clusinfo.szVendorId );
if ( *pbstrVendorId == NULL )
{
_hr = E_OUTOFMEMORY;
}
else
{
_hr = S_OK;
}
}
return _hr;
} //*** CClusVersion::get_VendorId()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::get_CSDVersion
//
// Description:
// Return the value the CSDVersion from the CLUSTERVERSIONINFO struct.
//
// Arguments:
// pbstrCSDVersion [OUT] - Catches the value of CSDVersion.
//
// Return Value:
// S_OK if successful, or E_POINTER.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CClusVersion::get_CSDVersion( OUT BSTR * pbstrCSDVersion )
{
//ASSERT( pbstrCSDVersion != NULL );
HRESULT _hr = E_POINTER;
if ( pbstrCSDVersion != NULL )
{
*pbstrCSDVersion = ::SysAllocString( m_clusinfo.szCSDVersion );
if ( *pbstrCSDVersion == NULL )
{
_hr = E_OUTOFMEMORY;
}
else
{
_hr = S_OK;
}
}
return _hr;
} //*** CClusVersion::get_CSDVersion()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::get_MajorVersion
//
// Description:
// Returns the cluster major version.
//
// Arguments:
// pnMajorVersion [OUT] - Catches the cluster major version value.
//
// Return Value:
// S_OK if successful, or E_POINTER.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CClusVersion::get_MajorVersion( OUT long * pnMajorVersion )
{
//ASSERT( pnMajorVersion != NULL );
HRESULT _hr = E_POINTER;
if ( pnMajorVersion != NULL )
{
*pnMajorVersion = m_clusinfo.MajorVersion;
_hr = S_OK;
}
return _hr;
} //*** CClusVersion::get_MajorVersion()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::get_MinorVersion
//
// Description:
// Returns the cluster minor version.
//
// Arguments:
// pnMinorVersion [OUT] - Catches the cluster minor version value.
//
// Return Value:
// S_OK if successful, or E_POINTER.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CClusVersion::get_MinorVersion( OUT long * pnMinorVersion )
{
//ASSERT( pnMinorVersion != NULL );
HRESULT _hr = E_POINTER;
if ( pnMinorVersion != NULL )
{
*pnMinorVersion = m_clusinfo.MinorVersion;
_hr = S_OK;
}
return _hr;
} //*** CClusVersion::get_MinorVersion()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::get_BuildNumber
//
// Description:
// Returns the value of the cluster build number.
//
// Arguments:
// pnBuildNumber [OUT] - Catches the build number.
//
// Return Value:
// S_OK if successful, or E_POINTER.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CClusVersion::get_BuildNumber( OUT short * pnBuildNumber )
{
//ASSERT( pnBuildNumber != NULL );
HRESULT _hr = E_POINTER;
if ( pnBuildNumber != NULL )
{
*pnBuildNumber = m_clusinfo.BuildNumber;
_hr = S_OK;
}
return _hr;
} //*** CClusVersion::get_BuildNumber()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::get_ClusterHighestVersion
//
// Description:
// Returns the value of the highest cluster version.
//
// Arguments:
// pnClusterHighestVersion [OUT] - Catches the value.
//
// Return Value:
// S_OK if successful, or E_POINTER.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CClusVersion::get_ClusterHighestVersion(
OUT long * pnClusterHighestVersion
)
{
//ASSERT( pnClusterHighestVersion != NULL );
HRESULT _hr = E_POINTER;
if ( pnClusterHighestVersion != NULL )
{
*pnClusterHighestVersion = m_clusinfo.dwClusterHighestVersion;
_hr = S_OK;
}
return _hr;
} //*** CClusVersion::get_ClusterHighestVersion()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::get_ClusterLowestVersion
//
// Description:
// Returns the value of the lowest cluster version.
//
// Arguments:
// pnClusterLowestVersion [OUT] - Catches the value.
//
// Return Value:
// S_OK if successful, or E_POINTER.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CClusVersion::get_ClusterLowestVersion(
OUT long * pnClusterLowestVersion
)
{
//ASSERT( pnClusterLowestVersion != NULL );
HRESULT _hr = E_POINTER;
if ( pnClusterLowestVersion != NULL )
{
*pnClusterLowestVersion = m_clusinfo.dwClusterLowestVersion;
_hr = S_OK;
}
return _hr;
} //*** CClusVersion::get_ClusterLowestVersion()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::get_Flags
//
// Description:
// Get the CLUSTERINFO.dwFlags value.
//
// Arguments:
// pnFlags [OUT] - Catches the flags value.
//
// Return Value:
// S_OK if successful, or E_POINTER.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CClusVersion::get_Flags( OUT long * pnFlags )
{
//ASSERT( pnFlags != NULL );
HRESULT _hr = E_POINTER;
if ( pnFlags != NULL )
{
*pnFlags = m_clusinfo.dwFlags;
_hr = S_OK;
}
return _hr;
} //*** CClusVersion::get_Flags()
/////////////////////////////////////////////////////////////////////////////
//++
//
// CClusVersion::get_MixedVersion
//
// Description:
// Is this cluster composed of mixed version nodes?
//
// Arguments:
// pvarMixedVersion [OUT] - Catches the mixed version state.
//
// Return Value:
// S_OK if successful, or E_POINTER.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CClusVersion::get_MixedVersion( OUT VARIANT * pvarMixedVersion )
{
//ASSERT( pvarMixedVersion != NULL );
HRESULT _hr = E_POINTER;
if ( pvarMixedVersion != NULL )
{
pvarMixedVersion->vt = VT_BOOL;
if ( m_clusinfo.dwFlags & CLUSTER_VERSION_FLAG_MIXED_MODE )
{
pvarMixedVersion->boolVal = VARIANT_TRUE;
} // if: the mixed version bit is set...
else
{
pvarMixedVersion->boolVal = VARIANT_FALSE;
} // else: the mixed version bit is not set...
_hr = S_OK;
}
return _hr;
} //*** CClusVersion::get_MixedVersion()