The beginning of the DiskDevice API.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2609 a95241bf-73f2-0310-859d-f6bbb57e9c96
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Ingo Weinhold
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64
headers/private/storage/DiskDevice.h
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64
headers/private/storage/DiskDevice.h
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// DiskDevice.h
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#ifndef _DISK_DEVICE_H
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#define _DISK_DEVICE_H
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#include <DiskDeviceVisitor.h>
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#include <ObjectList.h>
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class BPartition;
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class BSession;
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class BDiskDevice {
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public:
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BDiskDevice();
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~BDiskDevice();
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int32 CountSessions() const;
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BSession *SessionAt(int32 index) const;
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int32 CountPartitions() const;
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int32 BlockSize() const;
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const char *DevicePath() const;
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void GetName(BString *name, bool includeBusID = true,
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bool includeLUN = false) const;
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void GetName(char *name, bool includeBusID = true,
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bool includeLUN = false) const;
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bool IsReadOnly() const;
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bool IsRemovable() const;
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bool HasMedia() const;
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bool IsFloppy() const;
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uint8 Type() const; // cf. device_geometry::device_type
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int32 UniqueID() const;
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status_t Eject();
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status_t LowLevelFormat(); // TODO: remove?
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status_t Update(); // sync this object with reality
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BSession *VisitEachSession(BDiskDeviceVisitor *visitor);
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// return BSession* if terminated early
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BPartition *VisitEachPartition(BDiskDeviceVisitor *visitor);
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// return BPartition* if terminated early
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bool Traverse(BDiskDeviceVisitor *visitor);
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// return true if terminated early
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private:
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BDiskDevice(const BDiskDevice &);
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BDiskDevice &operator=(const BDiskDevice &);
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private:
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BObjectList<Session *> fSessions;
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int32 fUniqueID;
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int32 fBlockSize;
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char fPath[B_FILE_NAME_LENGTH];
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bool fReadOnly;
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bool fRemovable;
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bool fIsFloppy;
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};
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#endif // _DISK_DEVICE_H
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90
headers/private/storage/DiskDeviceRoster.h
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90
headers/private/storage/DiskDeviceRoster.h
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// DiskDeviceRoster.h
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#ifndef _DISK_DEVICE_ROSTER_H
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#define _DISK_DEVICE_ROSTER_H
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#include <DiskDeviceVisitor.h>
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#include <SupportDefs.h>
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class BDiskDevice;
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class BPartition;
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class BSession;
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// watchable events
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enum {
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B_DEVICE_REQUEST_MOUNT_POINT = 0x01, // mount point changes
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B_DEVICE_REQUEST_MOUNTING = 0x02, // mounting/unmounting
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B_DEVICE_REQUEST_PARTITION = 0x04, // partition changes (initial.)
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B_DEVICE_REQUEST_SESSION = 0x08, // session changes (partitioning)
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B_DEVICE_REQUEST_DEVICE = 0x10, // device changes (media changes)
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B_DEVICE_REQUEST_DEVICE_LIST = 0x20, // device additions/removals
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B_DEVICE_REQUEST_ALL = 0xff, // all events
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};
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// notification message "what" field
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// TODO: move to app/AppDefs.h
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enum {
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B_DEVICE_UPDATE = 'DUPD'
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};
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// notification message "event" field values
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enum {
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B_DEVICE_MOUNT_POINT_MOVED, // mount point moved/renamed
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B_DEVICE_PARTITION_MOUNTED, // partition mounted
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B_DEVICE_PARTITION_UNMOUNTED, // partition unmounted
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B_DEVICE_PARTITION_CHANGED, // partition changed, e.g. initialized
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// or resized
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B_DEVICE_PARTITION_ADDED, // partition added
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B_DEVICE_PARTITION_REMOVED, // partition removed
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B_DEVICE_MEDIA_CHANGED, // media changed
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B_DEVICE_ADDED, // device added
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B_DEVICE_REMOVED // device removed
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};
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class BDiskDeviceRoster {
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public:
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BDiskDeviceRoster();
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~BDiskDeviceRoster();
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status_t GetNextDevice(BDiskDevice *device);
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status_t Rewind();
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bool VisitEachDevice(BDiskDeviceVisitor *visitor,
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BDiskDevice *device = NULL);
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// return true if terminated early
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bool VisitEachPartition(BDiskDeviceVisitor *visitor,
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BDiskDevice *device = NULL,
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BPartition **partition = NULL);
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// return true if terminated early
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bool Traverse(BDiskDeviceVisitor *visitor);
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// return true if terminated early
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bool VisitEachMountedPartition(BDiskDeviceVisitor *visitor,
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BDiskDevice *device = NULL,
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BPartition **partition = NULL);
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// return true if terminated early
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bool VisitEachMountablePartition(BDiskDeviceVisitor *visitor,
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BDiskDevice *device = NULL,
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BPartition **partition = NULL);
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// return true if terminated early
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bool VisitEachInitializablePartition(BDiskDeviceVisitor *visitor,
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BDiskDevice *device = NULL,
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BPartition **partition = NULL);
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// return true if terminated early
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BDiskDevice *DeviceWithID(int32 id) const;
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BSession *SessionWithID(int32 id, BDiskDevice *device) const;
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// inits device to the device containing the session
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BPartition *PartitionWithID(int32 id, BDiskDevice *device) const;
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// inits device to the device containing the partition
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status_t StartWatching(BMessenger target,
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uint32 eventMask = B_DEVICE_REQUEST_ALL);
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status_t StopWatching(BMessenger target);
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private:
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int32 fDeviceID; // iteration state
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};
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#endif // _DISK_DEVICE_ROSTER_H
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21
headers/private/storage/DiskDeviceVisitor.h
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21
headers/private/storage/DiskDeviceVisitor.h
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// DiskDeviceIteration.h
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#ifndef _DISK_DEVICE_VISITOR_H
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#define _DISK_DEVICE_VISITOR_H
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class BDiskDevice;
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class BPartition;
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class BSession;
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// BDiskDeviceVisitor
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class BDiskDeviceVisitor {
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BDiskDeviceVisitor();
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virtual ~BDiskDeviceVisitor();
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// return true to abort iteration
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virtual bool Visit(BDiskDevice *device);
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virtual bool Visit(BSession *device);
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virtual bool Visit(BPartition *device);
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};
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#endif _DISK_DEVICE_VISITOR_H
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79
headers/private/storage/Partition.h
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79
headers/private/storage/Partition.h
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// Partition.h
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#ifndef _PARTITION_H
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#define _PARTITION_H
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#include <fs_device.h>
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#include <Mime.h>
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#include <ObjectList.h>
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#include <Point.h>
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#include <String.h>
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class BDiskDevice;
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class BSession;
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class BVolume;
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class BPartition {
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public:
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BPartition();
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~BPartition();
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BSession *Session() const;
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BDiskDevice *Device() const;
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off_t Offset() const;
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off_t Size() const;
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int32 BlockSize() const;
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int32 Index() const;
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uint32 Flags() const;
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bool IsHidden() const;
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bool IsVirtual() const;
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bool IsEmpty() const;
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const char *Name() const;
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const char *Type() const;
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const char *FileSystemShortName() const;
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const char *FileSystemLongName() const;
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const char *VolumeName() const;
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uint32 FileSystemFlags() const;
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bool IsMounted() const;
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int32 UniqueID() const;
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status_t GetVolume(BVolume *volume) const;
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status_t GetIcon(BBitmap *icon, icon_size which) const;
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status_t Mount(uint32 mountflags = 0, const char *parameters = NULL);
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status_t Unmount();
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status_t GetInitializationParameters(const char *fileSystem,
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BPoint dialogCenter,
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BString *parameters,
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bool *cancelled = NULL);
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status_t Initialize(const char *fileSystem, const char *parameters);
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status_t Initialize(const char *fileSystem = "bfs",
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BPoint dialogCenter = BPoint(-1, -1),
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bool *cancelled = NULL);
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static status_t GetFileSystemList(BObjectList<BString*> *list);
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private:
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BPartition(const BPartition &);
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BPartition &operator=(const BPartition &);
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private:
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BSession *fSession;
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// TODO: Also contains the device name, which we can get from Device() anyway.
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// We could either remove it from extended_partition_info or list
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// the individual fields here.
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extended_partition_info fInfo;
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int32 fUniqueID;
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dev_t fVolumeID;
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node_ref fMountPoint;
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};
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#endif // _PARTITION_H
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64
headers/private/storage/Session.h
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64
headers/private/storage/Session.h
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// Session.h
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#ifndef _SESSION_H
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#define _SESSION_H
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#include <DiskDeviceVisitor.h>
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#include <fs_device.h>
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#include <ObjectList.h>
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#include <Point.h>
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#include <String.h>
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class BDiskDevice;
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class BPartition;
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extern const char *B_INTEL_PARTITION_STYLE;
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class BSession {
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public:
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BSession();
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~BSession();
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BDiskDevice *Device() const;
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off_t Offset() const;
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off_t Size() const;
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int32 CountPartitions() const;
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BPartition *PartitionAt(int32 index) const;
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int32 Index() const;
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uint32 Flags() const;
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bool IsAudio() const;
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bool IsData() const;
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bool IsVirtual() const;
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const char *PartitionStyle() const;
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int32 UniqueID() const;
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BPartition *EachPartition(BDiskDeviceVisitor *visitor);
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// return BPartition* if terminated early
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status_t GetPartitioningParameters(const char *partitioningSystem,
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BPoint dialogCenter,
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BString *parameters,
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bool *cancelled = NULL);
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status_t Partition(const char *partitioningSystem, const char *parameters);
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status_t Partition(const char *partitioningSystem,
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BPoint dialogCenter = BPoint(-1, -1),
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bool *cancelled = NULL);
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private:
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BSession(const BSession &);
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BSession &operator=(const BSession &);
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private:
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BDiskDevice *fDevice;
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BObjectList<BPartition *> fPartitions;
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int32 fUniqueID;
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session_info fInfo;
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};
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#endif // _SESSION_H
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