40f3824020
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3374 a95241bf-73f2-0310-859d-f6bbb57e9c96
102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
//----------------------------------------------------------------------
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// This software is part of the OpenBeOS distribution and is covered
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// by the OpenBeOS license.
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//---------------------------------------------------------------------
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#ifndef _PARTITION_H
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#define _PARTITION_H
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#include <ObjectList.h>
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class BPartition {
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public:
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// General Info
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off_t Offset() const; // 0 for devices
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off_t Size() const;
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int32 BlockSize() const;
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int32 Index() const; // 0 for devices
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bool IsMountable();
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bool IsPartitionable();
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bool IsDevice();
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bool IsReadOnly() const;
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const char* Name() const;
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const char* Type() const; // See DiskDeviceTypes.h
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int32 UniqueID() const;
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virtual char* Path() const; // Recursively obtained down to the parent device
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uint32 Flags() const; // not sure if this is really necessary anymore
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// Hierarchy Info
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const BPartition* Parent();
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BPartition* PartitionAt(int32 index) const;
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BPartition* PartitionWithID(int32 id);
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int32 CountChildren() const; // Immediate descendents
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int32 CountDescendents() const; // All descendents
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BPartition* VisitEachChild(BDiskDeviceVisitor *visitor);
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bool Traverse(BDiskDeviceVisitor *visitor);
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// Functions relevant to manipulating *this* partition
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off_t MinimumSize();
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off_t MaximumSize();
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// Both based on information obtained from the system used for the
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// partition and the partitioning system used for its parent
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int32 MoveTo(off_t start, BMessenger progressMessenger);
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int32 Resize(off_t size, BMessenger progressMessenger);
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status_t GetParameterEditor(BDiskScannerParameterEditor **editor,
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BDiskScannerParameterEditor **parentEditor);
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// For changing parameters of the partition after it's been initialized,
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// i.e. file system block size, volume name, etc. "editor" is an editor
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// for the system with which this partition is initialized, "parentEditor"
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// is an editor for any settings the parent partitioning system may
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// allow to be edited ("*parentEditor" will be set to NULL if not
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// applicable).
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status_t GetInitializationParameterEditor(const char *system,
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BDiskScannerParameterEditor **editor);
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int32 Initialize(const char *system,
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const char *parameters,
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BMessenger progressMessenger);
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// Initialization is used to set up a partition with either
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// an empty file system or an empty partitioning system
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// Functions relevant to manipluating *child* partitions
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status_t GetPartitionCreationParameterEditor(BDiskScannerParameterEditor **editor);
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int32 CreateChildPartition(off_t start,
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off_t length,
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const char *parameters,
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BMessenger progressMessenger);
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int32 DeleteChildPartition(int32 index,
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BMessenger progressMessenger);
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protected:
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BObjectList<BPartition> fChildren;
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int32 fUniqueID;
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int32 fChangeCounter;
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off_t fOffset;
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off_t fSize;
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int32 fBlockSize;
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int32 fIndex;
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bool fIsMountable;
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bool fIsDevice;
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bool fIsReadOnly;
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char fName[B_FILE_NAME_LENGTH];
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char fType[B_FILE_NAME_LENGTH];
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}
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#endif // _PARTITION_H
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