Leaked source code of windows server 2003
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/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
ophandle.h
Abstract:
Routines to manipulate the global DsRole operation handle
Author:
Colin Brace (ColinBr) April 5, 1999
Environment:
User Mode
Revision History:
--*/
#ifndef __OPHANDLE_H__
#define __OPHANDLE_H__
//
// First, a type definition of the finite difference states a role operation
// can be in
//
//
// Operation State diagram of a role change
//
//
// /-----------------------\
// | (operation failed |
// | or cancelled) |
// v ^
// Idle <--> Running --> Finished ---------------> Need Reboot
// | | ^ (operation
// | | | succeeded)
// | | |
// | | |
// | v |
// | Cancelling -->|
// | ^ ^
// | | |
// | | |
// | | |
// v ^ |
// Running |
// Non Critical ---------/
//
//
// N.B. Running to Idle to a rare error case, where the worker thread could
// not be created.
//
//
typedef enum _DSROLEP_OPERATION_STATE {
DSROLEP_IDLE = 0,
DSROLEP_RUNNING,
DSROLEP_RUNNING_NON_CRITICAL,
DSROLEP_CANCELING,
DSROLEP_FINISHED,
DSROLEP_NEED_REBOOT
} DSROLEP_OPERATION_STATE;
#define DSROLEP_OPERATION_ACTIVE( Op ) \
( (Op == DSROLEP_IDLE) || (Op == DSROLEP_NEED_REBOOT) ? FALSE : TRUE )
//
// Now, the definition of the global operation handle that controls a role
// change
//
// Whenever reading or writing a value to the operation handle, you must
// lock the structure first.
//
// Use LockOpHandle() and UnLockOpHandle().
//
//
typedef struct _DSROLEP_OPERATION_HANDLE {
RTL_RESOURCE CurrentOpLock;
DSROLEP_OPERATION_STATE OperationState;
HANDLE CompletionEvent;
HANDLE OperationThread;
HANDLE MsgModuleHandle;
HANDLE CancelEvent;
HANDLE ClientToken;
ULONG OperationStatus;
ULONG MsgIndex;
ULONG DisplayStringCount;
PVOID Parameter1;
PVOID Parameter2;
PVOID Parameter3;
PVOID Parameter4;
PWSTR UpdateStringDisplayable;
PWSTR FinalResultStringDisplayable;
PWSTR InstalledSiteName;
DWORD OperationResultFlags;
} DSROLEP_OPERATION_HANDLE, *PDSROLEP_OPERATION_HANDLE;
extern DSROLEP_OPERATION_HANDLE DsRolepCurrentOperationHandle;
//
// Type definition for the server handle
//
typedef DSROLE_SERVEROP_HANDLE *PDSROLE_SERVEROP_HANDLE;
//
// Macros for locking the the operation handle
//
#define LockOpHandle() RtlAcquireResourceExclusive( &DsRolepCurrentOperationHandle.CurrentOpLock, TRUE );
#define UnlockOpHandle() RtlReleaseResource( &DsRolepCurrentOperationHandle.CurrentOpLock );
//
// Function for knowing is current thread owns the lock
//
BOOLEAN
DsRolepCurrentThreadOwnsLock(
VOID
);
//
// Macros for setting the current operation state
//
#define DSROLEP_CURRENT_OP0( msg ) \
DsRolepSetCurrentOperationStatus( msg, NULL, NULL, NULL, NULL );
#define DSROLEP_CURRENT_OP1( msg, p1 ) \
DsRolepSetCurrentOperationStatus( msg, ( PVOID )p1, NULL, NULL, NULL );
#define DSROLEP_CURRENT_OP2( msg, p1, p2 ) \
DsRolepSetCurrentOperationStatus( msg, ( PVOID )p1, ( PVOID )p2, \
NULL, NULL );
#define DSROLEP_CURRENT_OP3( msg, p1, p2, p3 ) \
DsRolepSetCurrentOperationStatus( msg, ( PVOID )p1, ( PVOID )p2, \
NULL, NULL );
#define DSROLEP_CURRENT_OP4( msg, p1, p2, p3, p4 ) \
DsRolepSetCurrentOperationStatus( msg, ( PVOID )p1, ( PVOID )p2, \
( PVOID )p3, ( PVOID )p4 );
#define DSROLEP_FAIL0( err, msg ) \
if(err != ERROR_SUCCESS) DsRolepSetFailureMessage( err, msg, NULL, NULL, NULL, NULL );
#define DSROLEP_FAIL1( err, msg, p1 ) \
if(err != ERROR_SUCCESS) DsRolepSetFailureMessage( err, msg, ( PVOID )( p1 ), NULL, NULL, NULL );
#define DSROLEP_FAIL2( err, msg, p1, p2 ) \
if(err != ERROR_SUCCESS) DsRolepSetFailureMessage( err, msg, ( PVOID )( p1 ), ( PVOID )( p2 ), NULL, NULL );
#define DSROLEP_FAIL3( err, msg, p1, p2, p3 ) \
if(err != ERROR_SUCCESS) DsRolepSetFailureMessage( err, msg, ( PVOID )( p1 ), ( PVOID )( p2 ), \
( PVOID )( p3 ), NULL );
#define DSROLEP_FAIL4( err, msg, p1, p2, p3, p4 ) \
if(err != ERROR_SUCCESS) DsRolepSetFailureMessage( err, msg, ( PVOID )( p1 ), ( PVOID )( p2 ), \
( PVOID )( p3 ), ( PVOID )( p4 ) );
#define DSROLEP_SET_NON_FATAL_ERROR( Err ) DsRolepCurrentOperationHandle.OperationResultFlags |= DSROLE_NON_FATAL_ERROR_OCCURRED;
#define DSROLEP_SET_NON_CRIT_REPL_ERROR( ) DsRolepCurrentOperationHandle.OperationResultFlags |= DSROLE_NON_CRITICAL_REPL_NOT_FINISHED;
#define DSROLEP_SET_IFM_RESTORED_DATABASE_FILES_MOVED( ) DsRolepCurrentOperationHandle.OperationResultFlags |= DSROLE_IFM_RESTORED_DATABASE_FILES_MOVED;
//
// Macro to determine whether to cancel an operation or not
//
#define DSROLEP_CHECK_FOR_CANCEL( WErr ) \
{ \
LockOpHandle(); \
if( DsRolepCurrentOperationHandle.OperationState == DSROLEP_CANCELING \
&& (WErr == ERROR_SUCCESS)) { \
\
WErr = ERROR_CANCELLED; \
} \
UnlockOpHandle(); \
}
#define DSROLEP_CHECK_FOR_CANCEL_EX( WErr, Label ) \
{ \
LockOpHandle(); \
if( DsRolepCurrentOperationHandle.OperationState == DSROLEP_CANCELING \
&& (WErr == ERROR_SUCCESS)) { \
\
WErr = ERROR_CANCELLED; \
UnlockOpHandle(); \
goto Label; \
} \
UnlockOpHandle(); \
}
//
// Prototypes for worker functions
//
DWORD
DsRolepGetDcOperationProgress(
IN PDSROLE_SERVEROP_HANDLE DsOperationHandle,
IN OUT PDSROLER_SERVEROP_STATUS *ServerOperationStatus
);
DWORD
DsRolepGetDcOperationResults(
IN PDSROLE_SERVEROP_HANDLE DsOperationHandle,
OUT PDSROLER_SERVEROP_RESULTS *ServerOperationResults
);
DWORD
DsRolepSetOperationHandleSiteName(
IN LPWSTR SiteName
);
VOID
DsRolepSetCriticalOperationsDone(
VOID
);
DWORD
DsRolepInitializeOperationHandle(
VOID
);
typedef enum _DSROLEP_OPERATION_TYPE {
DSROLEP_OPERATION_DC = 0,
DSROLEP_OPERATION_REPLICA,
DSROLEP_OPERATION_DEMOTE
} DSROLEP_OPERATION_TYPE, *PDSROLEP_OPERATION_TYPE;
DWORD
DsRolepResetOperationHandle(
DSROLEP_OPERATION_STATE OpState
);
VOID
DsRolepResetOperationHandleLockHeld(
VOID
);
DWORD
DsRolepSetCurrentOperationStatus(
IN ULONG MsgIndex,
IN PVOID Parameter1,
IN PVOID Parameter2,
IN PVOID Parameter3,
IN PVOID Parameter4
);
DWORD
DsRolepSetFailureMessage(
IN DWORD FailureStatus,
IN ULONG MsgIndex,
IN PVOID Parameter1,
IN PVOID Parameter2,
IN PVOID Parameter3,
IN PVOID Parameter4
);
VOID
DsRolepClearErrors(
VOID
);
#define DSROLEP_OP_PROMOTION 0x00000001
#define DSROLEP_OP_DEMOTION 0x00000002
#define DSROLEP_OP_DEMOTION_FORCED 0x00000004
DWORD
DsRolepSetOperationDone(
IN DWORD Flags,
IN DWORD OperationStatus
);
DWORD
DsRolepFormatOperationString(
IN ULONG MsgId,
OUT LPWSTR *FormattedString,
...
);
DWORD
DsRolepStringUpdateCallback(
IN PWSTR StringUpdate
);
DWORD
DsRolepStringErrorUpdateCallback(
IN PWSTR String,
IN DWORD ErrorCode
);
DWORD
DsRolepOperationResultFlagsCallBack(
IN DWORD Flags
);
//
// The IFM handle is a context blob of information that is used for IFM
// install data that can't be shared with dcpromo.
//
// The fIfmOpHandleLock is set to TRUE when there is anyone:
//
// setting the IfmSystemInfo (DsRolerGetDatabaseFacts())
// clearing the IfmSystemInfo (DsRolerIfmHandleFree()) or
// consuming the IfmSystemInfo (DsRolerDcAsReplica())
//
// The fIfmOpHandleLock gets unset on exit of DsRolerGetDatabaseFacts()
// or DsRolerIfmHandleFree() if they grabbed the lock, and on any
// transition through "finished" for the OperationState in call to
// DsRolepResetOperationHandle() with DSROLEP_IDLE or DSROLEP_NEED_REBOOT
//
//
typedef struct _DSROLEP_IFM_OPERATION_HANDLE {
DWORD fIfmOpHandleLock;
DWORD fIfmSystemInfoSet;
// Information from the IFM System's registry
IFM_SYSTEM_INFO IfmSystemInfo;
} DSROLEP_IFM_OPERATION_HANDLE, *PDSROLEP_IFM_OPERATION_HANDLE;
extern DSROLEP_IFM_OPERATION_HANDLE DsRolepCurrentIfmOperationHandle;
#endif // __OPHANDLE_H__