Leaked source code of windows server 2003
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#ifndef _OM_H
#define _OM_H
/*++
Copyright (c) 1996 Microsoft Corporation
Module Name:
om.h
Abstract:
Public data structures and procedure prototypes for the
Object Manager (Om) subcomponent of the NT Cluster Service
Author:
Rod Gamache (rodga) 13-Mar-1996
Revision History:
--*/
//
// Common object header
//
#define OM_TRACE_REF 0
//
// Delete object callback method
//
typedef VOID (*OM_DELETE_OBJECT_METHOD)(
IN PVOID Object
);
typedef OM_DELETE_OBJECT_METHOD *POM_DELETE_OBJECT_METHOD;
//
// Object Types
//
typedef enum _ObjectType {
ObjectTypeResource = 1,
ObjectTypeResType,
ObjectTypeGroup,
ObjectTypeNode,
ObjectTypeCluster,
ObjectTypeNetwork,
ObjectTypeNetInterface,
ObjectTypeMax
} OBJECT_TYPE;
//
// Object Type structure
//
typedef struct _OM_OBJECT_TYPE_INITIALIZE {
DWORD ObjectSize;
DWORD Signature;
LPCWSTR Name;
OM_DELETE_OBJECT_METHOD DeleteObjectMethod;
} OM_OBJECT_TYPE_INITIALIZE, *POM_OBJECT_TYPE_INITIALIZE;
typedef struct _OM_OBJECT_TYPE {
LIST_ENTRY ListHead;
LIST_ENTRY CallbackListHead;
DWORD Signature;
DWORD Type;
LPWSTR Name;
DWORD ObjectSize;
DWORD EnumKey; // If we ever run out, go to DWORDLONG
CRITICAL_SECTION CriticalSection;
OM_DELETE_OBJECT_METHOD DeleteObjectMethod;
} OM_OBJECT_TYPE, *POM_OBJECT_TYPE;
//
// Object flags
//
#define OM_FLAG_OBJECT_INSERTED 0x00000001
//the callback registered for object notifications
typedef void (WINAPI *OM_OBJECT_NOTIFYCB)(
IN PVOID pContext,
IN PVOID pObject,
IN DWORD dwNotification
);
// the notification record stored for an object
typedef struct _OM_NOTIFY_RECORD{
LIST_ENTRY ListEntry;
OM_OBJECT_NOTIFYCB pfnObjNotifyCb;
DWORD dwNotifyMask;
PVOID pContext;
}OM_NOTIFY_RECORD,*POM_NOTIFY_RECORD;
//
// Object header structure
//
typedef struct _OM_HEADER {
#if OM_TRACE_REF
LIST_ENTRY DeadListEntry;
#endif
LIST_ENTRY ListEntry;
DWORD Signature;
DWORD RefCount;
DWORD Flags;
LPWSTR Id;
LPWSTR Name;
POM_OBJECT_TYPE ObjectType;
DWORD EnumKey;
LIST_ENTRY CbListHead;
DWORDLONG Body; // For alignment
} OM_HEADER, *POM_HEADER;
#define OmpObjectToHeader(pObject) CONTAINING_RECORD((pObject), OM_HEADER, Body)
#define OmpReferenceHeader(pOmHeader) InterlockedIncrement(&(pOmHeader)->RefCount)
#if OM_TRACE_REF
extern DWORDLONG *OmpMatchRef;
#define OmReferenceObject(pObject) \
{ \
CsDbgPrint(LOG_NOISE, \
"[OM] Reference object %1!lx! (new refcnt %2!d!) from file %3!s! line %4!u!.\n", \
pObject, \
((OmpObjectToHeader(pObject))->RefCount) + 1, \
__FILE__, \
__LINE__ ); \
OmpReferenceHeader(OmpObjectToHeader(pObject));\
}
#define OmDereferenceObject(pObject) \
{ \
CsDbgPrint(LOG_NOISE, \
"[OM] DeReference object %1!lx! (new refcnt %2!d!) from file %3!s! line %4!u!.\n", \
pObject, \
((OmpObjectToHeader(pObject))->RefCount) - 1, \
__FILE__, \
__LINE__ ); \
OmpDereferenceObject(pObject); \
}
//SS: Dont use this in an initialization assignment! This includes a comma, expression
#define OmReferenceObjectByName(ObjectType, Name) \
((CsDbgPrint(LOG_NOISE, \
"[OM] Reference object name %1!ws! from file %2!s! line %3!u!.\n", \
Name, \
__FILE__, \
__LINE__ )), \
(OmpReferenceObjectByName(ObjectType, Name))) \
//SS: Dont use this in an initialization assignment! This includes a comma, expression
#define OmReferenceObjectById(ObjectType, Id) \
((CsDbgPrint(LOG_NOISE, \
"[OM] Reference object Id %1!ws! from file %2!s! line %3!u!.\n", \
Id, \
__FILE__, \
__LINE__ )), \
(OmpReferenceObjectById(ObjectType, Id))) \
#else
#define OmReferenceObject(pObject) OmpReferenceHeader(OmpObjectToHeader(pObject))
#define OmDereferenceObject(pObject) OmpDereferenceObject(pObject)
//SS: Dont use these in an initialization assignment! This includes a comma, expression
// when the OM_TRACE_REF flag is on
#define OmReferenceObjectById(ObjectType, Id) OmpReferenceObjectById(ObjectType, Id)
#define OmReferenceObjectByName(ObjectType, Name) OmpReferenceObjectByName(ObjectType, Name)
#endif
#define OmObjectSignature(pObject) (OmpObjectToHeader(pObject))->Signature
//
// Read-only access to object name, Id, and type
//
#define OmObjectId(pObject) ((LPCWSTR)(OmpObjectToHeader(pObject)->Id))
#define OmObjectName(pObject) ((LPCWSTR)(OmpObjectToHeader(pObject)->Name))
#define OmObjectType(pObject) (OmpObjectToHeader(pObject)->ObjectType->Type)
#define OmObjectInserted(pObject) ((BOOL)(OmpObjectToHeader(pObject)->Flags & OM_FLAG_OBJECT_INSERTED))
//
// Enumeration callback routine definitions
//
typedef BOOL (*OM_ENUM_OBJECT_ROUTINE)(
IN PVOID Context1,
IN PVOID Context2,
IN PVOID Object,
IN LPCWSTR Name
);
//
// Global Functions
//
//
// Startup and shutdown
//
DWORD
WINAPI
OmInitialize(
VOID
);
VOID
OmShutdown(
VOID
);
//
// Object types
//
DWORD
WINAPI
OmCreateType(
IN OBJECT_TYPE ObjectType,
IN POM_OBJECT_TYPE_INITIALIZE ObjectTypeInitialize
);
//
// Objects management
//
PVOID
WINAPI
OmCreateObject(
IN OBJECT_TYPE ObjectType,
IN LPCWSTR ObjectId,
IN LPCWSTR ObjectName OPTIONAL,
OUT PBOOL Created OPTIONAL
);
DWORD
WINAPI
OmInsertObject(
IN PVOID Object
);
DWORD
WINAPI
OmRemoveObject(
IN PVOID Object
);
PVOID
WINAPI
OmpReferenceObjectById(
IN OBJECT_TYPE ObjectType,
IN LPCWSTR Id
);
PVOID
WINAPI
OmpReferenceObjectByName(
IN OBJECT_TYPE ObjectType,
IN LPCWSTR Name
);
DWORD
WINAPI
OmCountObjects(
IN OBJECT_TYPE ObjectType,
OUT LPDWORD NumberOfObjects
);
DWORD
WINAPI
OmEnumObjects(
IN OBJECT_TYPE ObjectType,
IN OM_ENUM_OBJECT_ROUTINE EnumerationRoutine,
IN PVOID Context1,
IN PVOID Context2
);
VOID
OmpDereferenceObject(
IN PVOID Object
);
DWORD
WINAPI
OmSetObjectName(
IN PVOID Object,
IN LPCWSTR ObjectName
);
DWORD
WINAPI
OmRegisterNotify(
IN PVOID pObject,
IN PVOID pContext,
IN DWORD dwNotifyMask,
IN OM_OBJECT_NOTIFYCB pfnObjNotifyCb
);
DWORD
WINAPI
OmDeregisterNotify(
IN PVOID pObject,
IN OM_OBJECT_NOTIFYCB lpfnObjNotifyCb
);
DWORD
WINAPI
OmRegisterTypeNotify(
IN OBJECT_TYPE ObjectType,
IN PVOID Context,
IN DWORD NotifyMask,
IN OM_OBJECT_NOTIFYCB lpfnObjNotifyCb
);
DWORD
WINAPI
OmNotifyCb(
IN PVOID pObject,
IN DWORD dwNotification
);
#endif //ifndef _OM_H