b23394f957
management regarding removal and deletion of objects. * Fixed the file disk system related stuff. KFileDiskSystem now uses the virtualdrive driver. The former method was seemed simple and brilliant, but the B_SET_PARTITION ioctl wouldn't work. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3650 a95241bf-73f2-0310-859d-f6bbb57e9c96
124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
// KDiskDeviceManager.h
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#ifndef _K_DISK_DEVICE_MANAGER_H
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#define _K_DISK_DEVICE_MANAGER_H
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#include "disk_device_manager.h"
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#include "List.h"
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#include "Locker.h"
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namespace BPrivate {
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namespace DiskDevice {
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class KDiskDevice;
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class KDiskDeviceJob;
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class KDiskDeviceJobQueue;
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class KDiskSystem;
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class KFileDiskDevice;
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class KPartition;
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class KDiskDeviceManager {
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public:
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KDiskDeviceManager();
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~KDiskDeviceManager();
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status_t InitCheck() const;
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// Singleton Creation, Deletion, and Access
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static status_t CreateDefault();
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static void DeleteDefault();
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static KDiskDeviceManager *Default();
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// Locking
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bool Lock();
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void Unlock();
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// Disk Device / Partition Management
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// manager must be locked
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KDiskDevice *FindDevice(const char *path, bool noShadow = true);
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KDiskDevice *FindDevice(partition_id id, bool noShadow = true);
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KPartition *FindPartition(const char *path, bool noShadow = true);
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KPartition *FindPartition(partition_id id, bool noShadow = true);
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KFileDiskDevice *FindFileDevice(const char *filePath,
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bool noShadow = true);
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KDiskDevice *RegisterDevice(const char *path, bool noShadow = true);
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KDiskDevice *RegisterDevice(partition_id id, bool noShadow = true);
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KDiskDevice *RegisterNextDevice(int32 *cookie);
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KPartition *RegisterPartition(const char *path, bool noShadow = true);
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KPartition *RegisterPartition(partition_id id, bool noShadow = true);
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KFileDiskDevice *RegisterFileDevice(const char *filePath,
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bool noShadow = true);
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status_t CreateFileDevice(const char *filePath, partition_id *device = 0);
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status_t DeleteFileDevice(const char *filePath);
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// manager must be locked
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int32 CountDevices();
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KDiskDevice *DeviceAt(int32 index);
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bool PartitionAdded(KPartition *partition); // implementation internal
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bool PartitionRemoved(KPartition *partition); //
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bool DeletePartition(KPartition *partition); //
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// Jobs
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// manager must be locked
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KDiskDeviceJob *JobWithID(disk_job_id id);
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int32 CountJobs();
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KDiskDeviceJob *JobAt(int32 index);
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// manager must be locked
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bool AddJobQueue(KDiskDeviceJobQueue *jobQueue);
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int32 CountJobQueues();
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KDiskDeviceJobQueue *JobQueueAt(int32 index);
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// Disk Systems
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// manager must be locked
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KDiskSystem *DiskSystemWithName(const char *name);
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KDiskSystem *DiskSystemWithID(disk_system_id id);
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int32 CountDiskSystems();
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KDiskSystem *DiskSystemAt(int32 index);
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KDiskSystem *LoadDiskSystem(disk_system_id id);
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KDiskSystem *LoadNextDiskSystem(int32 *cookie);
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// Watching
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// TODO: Watching service for the kernel. The userland watching is handled
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// by the registrar.
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status_t InitialDeviceScan();
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private:
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status_t _AddPartitioningSystem(const char *name);
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status_t _AddFileSystem(const char *name);
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status_t _AddDiskSystem(KDiskSystem *diskSystem);
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bool _AddDevice(KDiskDevice *device);
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bool _RemoveDevice(KDiskDevice *device);
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status_t _Scan(const char *path);
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status_t _ScanDevice(KDiskDevice *device);
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status_t _ScanPartition(KPartition *partition);
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BLocker fLock;
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List<KDiskDevice*> fDevices; // TODO: Optimize!
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List<KPartition*> fPartitions; //
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List<KDiskSystem*> fDiskSystems; //
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List<KPartition*> fObsoletePartitions; //
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static KDiskDeviceManager *fDefaultManager;
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};
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} // namespace DiskDevice
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} // namespace BPrivate
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using BPrivate::DiskDevice::KDiskDeviceManager;
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#endif // _K_DISK_DEVICE_MANAGER_H
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