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windows-xp/Source/XPSP1/NT/base/cluster/mgmt/cluscfg/basecluster/cclusdisk.cpp

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//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1999-2000 Microsoft Corporation
//
// Module Name:
// CClusDisk.cpp
//
// Description:
// Contains the definition of the CClusDisk class.
//
// Maintained By:
// Vij Vasu (Vvasu) 08-MAR-2000
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// Include Files
//////////////////////////////////////////////////////////////////////////////
// The precompiled header.
#include "pch.h"
// The header for this file
#include "CClusDisk.h"
// Required by clusdisk.h
#include <ntddscsi.h>
// For IOCTL_DISK_CLUSTER_ATTACH and IOCTL_DISK_CLUSTER_DETACH
#include <clusdisk.h>
//////////////////////////////////////////////////////////////////////////////
// Macros
//////////////////////////////////////////////////////////////////////////////
// The name of the ClusDisk service
#define CLUSDISK_SERVICE_NAME L"ClusDisk"
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusDisk::CClusDisk()
//
// Description:
// Constructor of the CClusDisk class. Opens a handle to the service.
//
// Arguments:
// pbcaParentActionIn
// Pointer to the base cluster action of which this action is a part.
//
// Return Value:
// None.
//
// Exceptions Thrown:
// CAssert
// If the parameters are incorrect.
//
// CRuntimeError
// If any of the APIs fail.
//
// Any exceptions thrown by underlying functions
//
//--
//////////////////////////////////////////////////////////////////////////////
CClusDisk::CClusDisk(
CBaseClusterAction * pbcaParentActionIn
)
: m_cservClusDisk( CLUSDISK_SERVICE_NAME )
, m_pbcaParentAction( pbcaParentActionIn )
{
BCATraceScope( "" );
if ( m_pbcaParentAction == NULL)
{
TraceFlow( "Pointers to the parent action is NULL. Throwing exception." );
THROW_ASSERT(
E_INVALIDARG
, "CClusDisk::CClusDisk() => Required input pointer in NULL"
);
} // if: the parent action pointer is NULL
//
// The ClusDisk service has been created at the time the cluster binaries were
// installed. So, get a handle to the ClusDisk service.
//
SmartSCMHandle sscmhTempHandle(
OpenService(
pbcaParentActionIn->HGetSCMHandle()
, CLUSDISK_SERVICE_NAME
, SERVICE_ALL_ACCESS
)
);
// Did we get a handle to the service?
if ( sscmhTempHandle.FIsInvalid() )
{
DWORD dwError = TW32( GetLastError() );
LogMsg( "Error %#08x occurred trying to open a handle to the ClusDisk service.", dwError );
TraceFlow1( "Error %#08x occurred trying to open a handle to the ClusDisk service. Throwing exception.", dwError );
THROW_RUNTIME_ERROR( HRESULT_FROM_WIN32( dwError ), IDS_ERROR_CLUSDISK_OPEN );
} // if: OpenService failed
// Initialize the member variable.
m_sscmhServiceHandle = sscmhTempHandle;
} //*** CClusDisk::CClusDisk()
//////////////////////////////////////////////////////////////////////////////
//++
//
// CClusDisk::~CClusDisk()
//
// Description:
// Destructor of the CClusDisk class.
//
// Arguments:
// None.
//
// Return Value:
// None.
//
// Exceptions Thrown:
// Any exceptions thrown by underlying functions
//
//--
//////////////////////////////////////////////////////////////////////////////
CClusDisk::~CClusDisk( void )
{
BCATraceScope( "" );
} //*** CClusDisk::~CClusDisk()
//////////////////////////////////////////////////////////////////////////////
//++
//
// void
// CClusDisk::ConfigureService()
//
// Description:
// This function enables and starts the ClusDisk service.
//
// Arguments:
// None.
//
// Return Value:
// None.
//
// Exceptions Thrown:
// CRuntimeError
// If any of the APIs fail.
//
// Any that are thrown by the underlying functions.
//
//--
//////////////////////////////////////////////////////////////////////////////
void
CClusDisk::ConfigureService( void )
{
BCATraceScope( "" );
LogMsg( "Configuring the ClusDisk service." );
bool fIsRunning;
{
CStatusReport srConfigClusDisk(
PbcaGetParent()->PBcaiGetInterfacePointer()
, TASKID_Major_Configure_Cluster_Services
, TASKID_Minor_Configuring_ClusDisk_Service
, 0, 1
, IDS_TASK_CONFIG_CLUSDISK
);
// Send the next step of this status report.
srConfigClusDisk.SendNextStep( S_OK );
//
// First, initialize the ClusDisk service to make sure that it does not retain
// any state from another cluster that this node may have been a part of.
//
fIsRunning = FInitializeState();
//
// Enable the service.
//
if ( ChangeServiceConfig(
m_sscmhServiceHandle.HHandle() // handle to service
, SERVICE_NO_CHANGE // type of service
, SERVICE_SYSTEM_START // when to start service
, SERVICE_NO_CHANGE // severity of start failure
, NULL // service binary file name
, NULL // load ordering group name
, NULL // tag identifier
, NULL // array of dependency names
, NULL // account name
, NULL // account password
, NULL // display name
)
== FALSE
)
{
DWORD dwError = TW32( GetLastError() );
LogMsg( "Could not enable the ClusDisk service. Error %#08x.", dwError );
TraceFlow1( "ChangeServiceConfig() failed with error %#08x. Throwing exception.", dwError );
THROW_RUNTIME_ERROR( HRESULT_FROM_WIN32( dwError ), IDS_ERROR_CLUSDISK_CONFIGURE );
} // if: we could not enable the service.
// Send the last step of this status report.
srConfigClusDisk.SendNextStep( S_OK );
}
LogMsg( "The ClusDisk service has been enabled." );
{
UINT cQueryCount = 10;
CStatusReport srStartClusDisk(
PbcaGetParent()->PBcaiGetInterfacePointer()
, TASKID_Major_Configure_Cluster_Services
, TASKID_Minor_Starting_ClusDisk_Service
, 1, cQueryCount + 2 // we will send at most cQueryCount reports while waiting for the service to start (the two extra sends are below)
, IDS_TASK_STARTING_CLUSDISK
);
// Send the next step of this status report.
srStartClusDisk.SendNextStep( S_OK );
// This call does not actually create the service - it creates the registry entries needed
// by ClusDisk.
m_cservClusDisk.Create( m_pbcaParentAction->HGetMainInfFileHandle() );
// If the service was not already running, start the service.
if ( ! fIsRunning )
{
m_cservClusDisk.Start(
m_pbcaParentAction->HGetSCMHandle()
, true // wait for the service to start
, 500 // wait 500ms between queries for status.
, cQueryCount // query cQueryCount times.
, &srStartClusDisk // status report to be sent while waiting for the service to start
);
} // if: ClusDisk was not already running.
else
{
// Nothing more need be done.
TraceFlow( "ClusDisk is already running." );
} // else: ClusDisk is already running.
LogMsg( "The ClusDisk service has been successfully configured and started." );
// Send the last step of this status report.
srStartClusDisk.SendLastStep( S_OK );
}
} //*** CClusDisk::ConfigureService()
//////////////////////////////////////////////////////////////////////////////
//++
//
// void
// CClusDisk::CleanupService()
//
// Description:
// This function enables and starts the ClusDisk service.
//
// Arguments:
// None.
//
// Return Value:
// None.
//
// Exceptions Thrown:
// CRuntimeError
// If any of the APIs fail.
//
// Any that are thrown by the underlying functions.
//
//--
//////////////////////////////////////////////////////////////////////////////
void
CClusDisk::CleanupService( void )
{
BCATraceScope( "" );
LogMsg( "Cleaning up the ClusDisk service." );
//
// First, initialize the ClusDisk service to make sure that it does not retain
// any state from this cluster.
//
FInitializeState();
//
// Disable the service.
//
if ( ChangeServiceConfig(
m_sscmhServiceHandle.HHandle() // handle to service
, SERVICE_NO_CHANGE // type of service
, SERVICE_DISABLED // when to start service
, SERVICE_NO_CHANGE // severity of start failure
, NULL // service binary file name
, NULL // load ordering group name
, NULL // tag identifier
, NULL // array of dependency names
, NULL // account name
, NULL // account password
, NULL // display name
)
== FALSE
)
{
DWORD dwError = TW32( GetLastError() );
LogMsg( "Could not disable the ClusDisk service. Error %#08x.", dwError );
TraceFlow1( "ChangeServiceConfig() failed with error %#08x. Throwing exception.", dwError );
THROW_RUNTIME_ERROR( HRESULT_FROM_WIN32( dwError ), IDS_ERROR_CLUSDISK_CLEANUP );
} // if: we could not enable the service.
LogMsg( "The ClusDisk service has been successfully cleaned up and disabled." );
} //*** CClusDisk::CleanupService()
//////////////////////////////////////////////////////////////////////////////
//++
//
// bool
// CClusDisk::FInitializeState()
//
// Description:
// This function initializes the ClusDisk service and brings it back to
// its ground state.
//
// If the service is running, then ClusDisk is asked to detach
// itself from all the disks that it is currently attached to.
//
// If the service is not running, then its parameters key is deleted
// so as to prevent ClusDisk from reusing any keys leftover from a previous
// cluster.
//
// Arguments:
// None.
//
// Return Value:
// Returns true is the service was running before the initialization began.
// Returns false if it was not.
//
// Exceptions Thrown:
// CRuntimeError
// If any of the APIs fail.
//
// Any that are thrown by the underlying functions.
//
//--
//////////////////////////////////////////////////////////////////////////////
bool
CClusDisk::FInitializeState( void )
{
BCATraceScope( "" );
LogMsg( "Initializing ClusDisk service state.");
bool fIsRunning;
DWORD dwError = ERROR_SUCCESS;
do
{
SERVICE_STATUS ssStatus;
//
// Check if the service is running.
//
ZeroMemory( &ssStatus, sizeof( ssStatus ) );
// Query the service for its status.
if ( QueryServiceStatus(
m_sscmhServiceHandle.HHandle()
, &ssStatus
)
== 0
)
{
dwError = TW32( GetLastError() );
TraceFlow1( "Error %#08x occurred while trying to query ClusDisk status. Throwing exception.", dwError );
break;
} // if: we could not query the service for its status.
if ( ssStatus.dwCurrentState == SERVICE_RUNNING )
{
TraceFlow( "The ClusDisk service is already running. It will be detached from all disks." );
LogMsg( "The ClusDisk service is already running. It will be detached from all disks." );
// ClusDisk is running.
fIsRunning = true;
// Make sure that it is not attached to any disks already.
DetachFromAllDisks();
} // if: the service is running.
else
{
if ( ssStatus.dwCurrentState == SERVICE_STOPPED )
{
TraceFlow( "The ClusDisk service is not running. Its registry will be cleaned up." );
LogMsg( "The ClusDisk service is not running. Its registry will be cleaned up." );
// ClusDisk is not running.
fIsRunning = false;
// Call the cleanup routine of the embedded service object.
m_cservClusDisk.Cleanup( m_pbcaParentAction->HGetMainInfFileHandle() );
} // if: the service is stopped
else
{
dwError = TW32( ERROR_INVALID_HANDLE_STATE );
TraceFlow1( "ClusDisk is in an incorrect state (%#08x).", ssStatus.dwCurrentState );
break;
} // else: the service is in some other state.
} // else: ClusDisk is not running.
}
while( false ); // dummy do-while loop to avoid gotos.
if ( dwError != ERROR_SUCCESS )
{
LogMsg( "Error %#08x occurred trying initialize the ClusDisk service state.", dwError );
TraceFlow1( "Error %#08x occurred trying initialize the ClusDisk service state. Throwing exception.", dwError );
THROW_RUNTIME_ERROR( HRESULT_FROM_WIN32( dwError ), IDS_ERROR_CLUSDISK_INITIALIZE );
} // if: something has gone wrong
LogMsg( "The ClusDisk service state has been successfully initialized.");
return fIsRunning;
} //*** CClusDisk::FInitializeState()
//////////////////////////////////////////////////////////////////////////////
//++
//
// void
// CClusDisk::DetachFromAllDisks()
//
// Description:
// This function detaches ClusDisk from all the disks that it is currently
// attached to. A prerequisite for calling this function is that the
// ClusDisk service is running.
//
// Arguments:
// None.
//
// Return Value:
// None.
//
// Exceptions Thrown:
// CRuntimeError
// If any of the APIs fail.
//
// Any that are thrown by the underlying functions.
//
//--
//////////////////////////////////////////////////////////////////////////////
void
CClusDisk::DetachFromAllDisks( void )
{
BCATraceScope( "" );
LONG lError = ERROR_SUCCESS;
LogMsg( "Detaching the ClusDisk service from all disks." );
do
{
CRegistryKey rkSignaturesKey;
DWORD dwSignatureCount = 0;
DWORD dwMaxSignatureNameLen = 0;
DWORD dwSignatureIndex = 0;
// Try and open the ClusDisk signatures key.
try
{
rkSignaturesKey.OpenKey(
HKEY_LOCAL_MACHINE
, L"System\\CurrentControlSet\\Services\\ClusDisk\\Parameters\\Signatures"
, KEY_ALL_ACCESS
);
} // try: to open the ClusDisk signatures key.
catch( CRuntimeError & rteException )
{
//
// If we are here, then OpenKey threw a CRuntimeError.Check if the
// error was ERROR_FILE_NOT_FOUND. This means that the key does
// not exist and we are done.
//
// Otherwise, some other error ocurred, so rethrow the exception.
//
if ( rteException.HrGetErrorCode() == HRESULT_FROM_WIN32( ERROR_FILE_NOT_FOUND ) )
{
// There is nothing else to do.
break;
} // if: the ClusDisk parameters key does not exist.
// Some other error occurred.
throw;
} // catch( CRuntimeError & )
//
// Find out the number of signatures and the maximum length of the signature
// key names.
//
lError = TW32( RegQueryInfoKey(
rkSignaturesKey.HGetKey() // handle to key
, NULL // class buffer
, NULL // size of class buffer
, NULL // reserved
, &dwSignatureCount // number of subkeys
, &dwMaxSignatureNameLen // longest subkey name
, NULL // longest class string
, NULL // number of value entries
, NULL // longest value name
, NULL // longest value data
, NULL // descriptor length
, NULL // last write time
) );
if ( lError != ERROR_SUCCESS )
{
TraceFlow( "RegQueryInfoKey() failed." );
break;
} // if: RegQueryInfoKey() failed.
// Account for the terminating '\0'
++dwMaxSignatureNameLen;
// Allocate the memory required to hold the signatures.
CSmartGenericPtr< CArrayPtrTrait< DWORD > > rgdwSignatureArrayIn( new DWORD[ dwSignatureCount ] );
if ( rgdwSignatureArrayIn.FIsEmpty() )
{
lError = TW32( ERROR_OUTOFMEMORY );
TraceFlow1( "Could not allocate %d bytes required for the signature array.", dwSignatureCount );
break;
} // if:memory allocation failed.
// Allocate the memory required for the signature string.
SmartSz sszSignatureKeyName( new WCHAR[ dwMaxSignatureNameLen ] );
if ( sszSignatureKeyName.FIsEmpty() )
{
lError = TW32( ERROR_OUTOFMEMORY );
TraceFlow1( "Could not allocate %d bytes required for the longest signature key name.", dwMaxSignatureNameLen );
break;
} // if:memory allocation failed.
//
// Iterate through the list of signatures that ClusDisk is currently attached
// to and add each of them to the array of signatures. We cannot detach as
// we enumerate since ClusDisk removes the signature key when it detaches from
// a disk and RegEnumKeyEx requires that the key being enumerated not change
// during an enumeration.
//
do
{
DWORD dwTempSize = dwMaxSignatureNameLen;
WCHAR * pwcCharPtr;
lError = RegEnumKeyEx(
rkSignaturesKey.HGetKey()
, dwSignatureIndex
, sszSignatureKeyName.PMem()
, &dwTempSize
, NULL
, NULL
, NULL
, NULL
);
if ( lError != ERROR_SUCCESS )
{
if ( lError == ERROR_NO_MORE_ITEMS )
{
lError = ERROR_SUCCESS;
} // if: we are at the end of the enumeration
else
{
TW32( lError );
TraceFlow1( "RegEnumKeyEx() has failed. Index = %d.", dwSignatureIndex );
} // else: something else went wrong
break;
} // if: RegEnumKeyEx() did not succeed
TraceFlow2( "Signature %d is '%s'.", dwSignatureIndex + 1, sszSignatureKeyName.PMem() );
// Convert the key name to a hex number.
( rgdwSignatureArrayIn.PMem() )[ dwSignatureIndex ] =
wcstoul( sszSignatureKeyName.PMem(), &pwcCharPtr, 16 );
// Did the conversion succeed.
if ( sszSignatureKeyName.PMem() == pwcCharPtr )
{
lError = TW32( ERROR_INVALID_PARAMETER );
TraceFlow( "_wcstoul() failed." );
break;
} // if: the conversion of the signature string to a number failed.
// Increment the index.
++dwSignatureIndex;
}
while( true ); // loop infinitely
if ( lError != ERROR_SUCCESS )
{
break;
} // if: something went wrong
// Detach ClusDisks from all the disks we found it attached to.
DetachFromDisks(
rgdwSignatureArrayIn.PMem()
, dwSignatureCount
);
}
while( false ); // dummy do-while loop to avoid gotos.
if ( lError != ERROR_SUCCESS )
{
LogMsg( "Error %#08x occurred trying detach ClusDisk from all the disks.", lError );
TraceFlow1( "Error %#08x trying detach ClusDisk from all the disks. Throwing exception.", lError );
THROW_RUNTIME_ERROR( HRESULT_FROM_WIN32( lError ), IDS_ERROR_CLUSDISK_INITIALIZE );
} // if: something has gone wrong
LogMsg( "The ClusDisk service has been successfully detached from all disks." );
} //*** CClusDisk::DetachFromAllDisks()
//////////////////////////////////////////////////////////////////////////////
//++
//
// void
// CClusDisk::DetachFromDisks()
//
// Description:
// This function detaches ClusDisk from the disks specified
// by a list of signatures. A prerequisite for calling this function is
// that the ClusDisk service is running.
//
// Arguments:
// rgdwSignatureArrayIn
// Array of signatures of disks to detach from.
//
// uiArraySizeIn
// Number of signatures in above array.
//
// Return Value:
// None.
//
// Exceptions Thrown:
// CRuntimeError
// If any of the APIs fail.
//
// Any that are thrown by the underlying functions.
//
//--
//////////////////////////////////////////////////////////////////////////////
void
CClusDisk::DetachFromDisks(
DWORD rgdwSignatureArrayIn[]
, UINT uiArraySizeIn
)
{
BCATraceScope( "" );
NTSTATUS ntStatus = STATUS_SUCCESS;
UNICODE_STRING ustrClusDiskDeviceName;
OBJECT_ATTRIBUTES oaClusDiskAttrib;
HANDLE hClusDisk;
IO_STATUS_BLOCK iosbIoStatusBlock;
DWORD dwTempSize = 0;
TraceFlow1( "Trying to detach from %d disks.", uiArraySizeIn );
//
// If the list is empty then leave since there are no disks to detach
// from.
//
if ( ( uiArraySizeIn == 0 ) || ( rgdwSignatureArrayIn == NULL ) )
{
goto Cleanup;
} // if:
// Initialize the unicode string with the name of the ClusDisk device.
RtlInitUnicodeString( &ustrClusDiskDeviceName, L"\\Device\\ClusDisk0" );
InitializeObjectAttributes(
&oaClusDiskAttrib
, &ustrClusDiskDeviceName
, OBJ_CASE_INSENSITIVE
, NULL
, NULL
);
TraceFlow( "Trying to get a handle to the ClusDisk device." );
// Get a handle to the ClusDisk device.
ntStatus = THR( NtCreateFile(
&hClusDisk
, SYNCHRONIZE | FILE_READ_DATA | FILE_WRITE_DATA
, &oaClusDiskAttrib
, &iosbIoStatusBlock
, NULL
, FILE_ATTRIBUTE_NORMAL
, FILE_SHARE_READ | FILE_SHARE_WRITE
, FILE_OPEN
, 0
, NULL
, 0
) );
if ( NT_SUCCESS( ntStatus ) == FALSE )
{
TraceFlow( "NtCreateFile has failed." );
goto Cleanup;
} // if: NtCreateFile failed.
{ // new block so that that the file handle is closed.
// Assign the opened file handle to a smart handle for safe closing.
CSmartResource<
CHandleTrait<
HANDLE
, NTSTATUS
, NtClose
>
> snthClusDiskHandle( hClusDisk );
// Detach ClusDisk from this disk.
if ( DeviceIoControl(
hClusDisk
, IOCTL_DISK_CLUSTER_DETACH_LIST
, rgdwSignatureArrayIn
, uiArraySizeIn * sizeof( rgdwSignatureArrayIn[ 0 ] )
, NULL
, 0
, &dwTempSize
, FALSE
)
== FALSE
)
{
ntStatus = TW32( GetLastError() );
ntStatus = HRESULT_FROM_WIN32( ntStatus );
TraceFlow( "DeviceIoControl() failed for signature list" );
} // if: DeviceIoControl() failed
}
Cleanup:
if ( ntStatus != STATUS_SUCCESS )
{
LogMsg( "Error %#08x occurred trying detach ClusDisk from a disk.", ntStatus );
TraceFlow1( "Error %#08x trying detach ClusDisk from a disk. Throwing exception.", ntStatus );
THROW_RUNTIME_ERROR( ntStatus, IDS_ERROR_CLUSDISK_INITIALIZE );
} // if: something has gone wrong
} //*** CClusDisk::DetachFromDisks()
//////////////////////////////////////////////////////////////////////////////
//++
//
// void
// CClusDisk::AttachToDisks()
//
// Description:
// This function attaches ClusDisk to the disks specified
// by a list of signatures. A prerequisite for calling this function is
// that the ClusDisk service is running.
//
// Arguments:
// rgdwSignatureArrayIn
// Array of signatures of disks to attach to.
//
// uiArraySizeIn
// Number of signatures in above array.
//
// Return Value:
// None.
//
// Exceptions Thrown:
// CRuntimeError
// If any of the APIs fail.
//
// Any that are thrown by the underlying functions.
//
//--
//////////////////////////////////////////////////////////////////////////////
void
CClusDisk::AttachToDisks(
DWORD rgdwSignatureArrayIn[]
, UINT uiArraySizeIn
)
{
BCATraceScope( "" );
NTSTATUS ntStatus = STATUS_SUCCESS;
UNICODE_STRING ustrClusDiskDeviceName;
OBJECT_ATTRIBUTES oaClusDiskAttrib;
HANDLE hClusDisk;
IO_STATUS_BLOCK iosbIoStatusBlock;
DWORD dwTempSize = 0;
TraceFlow1( "Trying to attach to %d disks.", uiArraySizeIn );
//
// If the list is empty then leave since there are no disks to attach
// to.
//
if ( ( uiArraySizeIn == 0 ) || ( rgdwSignatureArrayIn == NULL ) )
{
goto Cleanup;
} // if:
// Initialize the unicode string with the name of the ClusDisk device.
RtlInitUnicodeString( &ustrClusDiskDeviceName, L"\\Device\\ClusDisk0" );
InitializeObjectAttributes(
&oaClusDiskAttrib
, &ustrClusDiskDeviceName
, OBJ_CASE_INSENSITIVE
, NULL
, NULL
);
TraceFlow( "Trying to get a handle to the ClusDisk device." );
// Get a handle to the ClusDisk device.
ntStatus = THR( NtCreateFile(
&hClusDisk
, SYNCHRONIZE | FILE_READ_DATA | FILE_WRITE_DATA
, &oaClusDiskAttrib
, &iosbIoStatusBlock
, NULL
, FILE_ATTRIBUTE_NORMAL
, FILE_SHARE_READ | FILE_SHARE_WRITE
, FILE_OPEN
, 0
, NULL
, 0
) );
if ( NT_SUCCESS( ntStatus ) == FALSE )
{
TraceFlow( "NtCreateFile has failed." );
goto Cleanup;
} // if: NtCreateFile failed.
{ // new block so that that the file handle is closed.
// Assign the opened file handle to a smart handle for safe closing.
CSmartResource<
CHandleTrait<
HANDLE
, NTSTATUS
, NtClose
>
> snthClusDiskHandle( hClusDisk );
// Attach ClusDisk to this signature list.
if ( DeviceIoControl(
hClusDisk
, IOCTL_DISK_CLUSTER_ATTACH_LIST
, rgdwSignatureArrayIn
, uiArraySizeIn * sizeof( rgdwSignatureArrayIn[0] )
, NULL
, 0
, &dwTempSize
, FALSE
)
== FALSE
)
{
ntStatus = GetLastError();
ntStatus = HRESULT_FROM_WIN32( TW32( ntStatus ) );
TraceFlow( "DeviceIoControl() failed for signature list" );
} // if: DeviceIoControl() failed
}
Cleanup:
if ( ntStatus != STATUS_SUCCESS )
{
LogMsg( "Error %#08x occurred trying attach ClusDisk to a disk.", ntStatus );
TraceFlow1( "Error %#08x trying attach ClusDisk to a disk. Throwing exception.", ntStatus );
THROW_RUNTIME_ERROR( ntStatus, IDS_ERROR_CLUSDISK_INITIALIZE );
} // if: something has gone wrong
} //*** CClusDisk::AttachToDisks()