headers/private/storage/PartitioningInfo.h

   1 //----------------------------------------------------------------------
   2 //  This software is part of the OpenBeOS distribution and is covered
   3 //  by the MIT License.
   4 //---------------------------------------------------------------------
   5
   6 #ifndef _PARTITIONING_INFO_H
   7 #define _PARTITIONING_INFO_H
   8
   9 #include <DiskDeviceDefs.h>
  10
  11 struct partitionable_space_data;
  12
  13 class BPartitioningInfo {
  14 public:
  15                                                                 BPartitioningInfo();
  16         virtual                                         ~BPartitioningInfo();
  17
  18                         status_t                        SetTo(off_t offset, off_t size);
  19                         void                            Unset();
  20
  21                         status_t                        ExcludeOccupiedSpace(off_t offset,
  22                                                                         off_t size);
  23
  24 // TODO: We don't need the partition ID.
  25                         partition_id            PartitionID() const;
  26
  27                         status_t                        GetPartitionableSpaceAt(int32 index,
  28                                                                         off_t* offset, off_t*size) const;
  29                         int32                           CountPartitionableSpaces() const;
  30
  31                         void                            PrintToStream() const;
  32 private:
  33                         status_t                        _InsertSpaces(int32 index, int32 count);
  34                         void                            _RemoveSpaces(int32 index, int32 count);
  35
  36         friend class BPartition;
  37
  38                         partition_id            fPartitionID;
  39                         partitionable_space_data* fSpaces;
  40                         int32                           fCount;
  41                         int32                           fCapacity;
  42 };
  43
  44 #endif  // _PARTITIONING_INFO_H