windows-nt/Source/XPSP1/NT/public/sdk/inc/schedule.h
2020-09-26 16:20:57 +08:00

80 lines
2.1 KiB
C

/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) 1997-1999 Microsoft Corporation
Module Name:
schedule.h
Abstract:
This file defines a common schedule structure for use by various NT
components.
--*/
#ifndef _SCHEDULE_H_
#define _SCHEDULE_H_
#if _MSC_VER > 1000
#pragma once
#endif
#ifdef __cplusplus
extern "C" {
#endif
//
// The DS and FRS use the same structure to represent different schedules.
// The DS uses a 15-minute polling schedule. FRS uses a 60-minute
// start/stop schedule. Hence, the schedule for the system volume is
// a special case because we only have the DS schedule to work from.
// We will work around this problem by treating the 15
// -minute polling schedule as a 60-minute start/stop schedule.
// Replication is enabled for any hour that has any of the four
// 15-minute bits set.
//
// When the ReplicationSchedule is not present the default is
// "always replicate."
//
//
// Only the interval schedule is currently implemented. Others are ignored.
//
#define SCHEDULE_INTERVAL 0 // schedule as understood by NT5
#define SCHEDULE_BANDWIDTH 1 // bandwidth as understood by NT5
#define SCHEDULE_PRIORITY 2 // priority as understood by NT5
//
// Schedule Header
//
// Each schedule blob begins with n array of schedule headers that
// specify the number and type of schedules contained in the blob.
//
typedef struct _SCHEDULE_HEADER {
ULONG Type; // one of the SCHEDULE_ ordinals
ULONG Offset; // offset from start of schedule structure
} SCHEDULE_HEADER, *PSCHEDULE_HEADER;
//
// Schedule
//
typedef struct _SCHEDULE {
ULONG Size; // inclusive size in bytes
ULONG Bandwidth;
ULONG NumberOfSchedules;
SCHEDULE_HEADER Schedules[1];
} SCHEDULE, *PSCHEDULE;
// The above structure is followed by the Data buffer and the
// SCHEDULE_HEADER contains offsets to refer to the appropriate
// parts in the data buffer.
#define SCHEDULE_DATA_ENTRIES (7 * 24) // 7 days X 24 hours
#ifdef __cplusplus
}
#endif
#endif // _SCHEDULE_H_