JwaSchedule.pas
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上传日期:2009-07-28
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Windows编程
开发平台:
Delphi
- {******************************************************************************}
- { }
- { Scheduler API interface Unit for Object Pascal }
- { }
- { Portions created by Microsoft are Copyright (C) 1995-2001 Microsoft }
- { Corporation. All Rights Reserved. }
- { }
- { The original file is: schedule.h, released June 2000. The original Pascal }
- { code is: Schedule.pas, released December 2000. The initial developer of the }
- { Pascal code is Marcel van Brakel (brakelm@chello.nl). }
- { }
- { Portions created by Marcel van Brakel are Copyright (C) 1999-2001 }
- { Marcel van Brakel. All Rights Reserved. }
- { }
- { Obtained through: Joint Endeavour of Delphi Innovators (Project JEDI) }
- { }
- { You may retrieve the latest version of this file at the Project JEDI home }
- { page, located at http://delphi-jedi.org or my personal homepage located at }
- { http://members.chello.nl/m.vanbrakel2 }
- { }
- { The contents of this file are used with permission, subject to the Mozilla }
- { Public License Version 1.1 (the "License"); you may not use this file except }
- { in compliance with the License. You may obtain a copy of the License at }
- { http://www.mozilla.org/MPL/MPL-1.1.html }
- { }
- { Software distributed under the License is distributed on an "AS IS" basis, }
- { WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for }
- { the specific language governing rights and limitations under the License. }
- { }
- { Alternatively, the contents of this file may be used under the terms of the }
- { GNU Lesser General Public License (the "LGPL License"), in which case the }
- { provisions of the LGPL License are applicable instead of those above. }
- { If you wish to allow use of your version of this file only under the terms }
- { of the LGPL License and not to allow others to use your version of this file }
- { under the MPL, indicate your decision by deleting the provisions above and }
- { replace them with the notice and other provisions required by the LGPL }
- { License. If you do not delete the provisions above, a recipient may use }
- { your version of this file under either the MPL or the LGPL License. }
- { }
- { For more information about the LGPL: http://www.gnu.org/copyleft/lesser.html }
- { }
- {******************************************************************************}
- unit JwaSchedule;
- {$WEAKPACKAGEUNIT}
- {$HPPEMIT ''}
- {$HPPEMIT '#include "schedule.h"'}
- {$HPPEMIT ''}
- {$I WINDEFINES.INC}
- interface
- uses
- JwaWinType;
- //
- // The DS and FRS use the same structure to represent different schedules.
- // The DS uses a 15-minute polling schedule. FRS uses a 60-minute
- // start/stop schedule. Hence, the schedule for the system volume is
- // a special case because we only have the DS schedule to work from.
- // We will work around this problem by treating the 15
- // -minute polling schedule as a 60-minute start/stop schedule.
- // Replication is enabled for any hour that has any of the four
- // 15-minute bits set.
- //
- // When the ReplicationSchedule is not present the default is
- // "always replicate."
- //
- //
- // Only the interval schedule is currently implemented. Others are ignored.
- //
- const
- SCHEDULE_INTERVAL = 0; // schedule as understood by NT5
- {$EXTERNALSYM SCHEDULE_INTERVAL}
- SCHEDULE_BANDWIDTH = 1; // bandwidth as understood by NT5
- {$EXTERNALSYM SCHEDULE_BANDWIDTH}
- SCHEDULE_PRIORITY = 2; // priority as understood by NT5
- {$EXTERNALSYM SCHEDULE_PRIORITY}
- //
- // Schedule Header
- //
- // Each schedule blob begins with n array of schedule headers that
- // specify the number and type of schedules contained in the blob.
- //
- type
- PSCHEDULE_HEADER = ^SCHEDULE_HEADER;
- {$EXTERNALSYM PSCHEDULE_HEADER}
- _SCHEDULE_HEADER = record
- Type_: ULONG; // one of the SCHEDULE_ ordinals
- Offset: ULONG; // offset from start of schedule structure
- end;
- {$EXTERNALSYM _SCHEDULE_HEADER}
- SCHEDULE_HEADER = _SCHEDULE_HEADER;
- {$EXTERNALSYM SCHEDULE_HEADER}
- TScheduleHeader = SCHEDULE_HEADER;
- PScheduleHeader = PSCHEDULE_HEADER;
- //
- // Schedule
- //
- PSCHEDULE = ^_SCHEDULE;
- {$EXTERNALSYM PSCHEDULE}
- _SCHEDULE = record
- Size: ULONG; // inclusive size in bytes
- Bandwidth: ULONG;
- NumberOfSchedules: ULONG;
- Schedules: array [0..0] of SCHEDULE_HEADER;
- end;
- {$EXTERNALSYM _SCHEDULE}
- //SCHEDULE = _SCHEDULE;
- //{$EXTERNALSYM SCHEDULE}
- TSchedule = _SCHEDULE;
- // 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.
- const
- SCHEDULE_DATA_ENTRIES = (7 * 24); // 7 days X 24 hours
- {$EXTERNALSYM SCHEDULE_DATA_ENTRIES}
- implementation
- end.