const (
	BlkGetSize64 = C.BLKGETSIZE64
	BlkDiscard   = C.BLKDISCARD

	LoopSetFd       = C.LOOP_SET_FD
	LoopCtlGetFree  = C.LOOP_CTL_GET_FREE
	LoopGetStatus64 = C.LOOP_GET_STATUS64
	LoopSetStatus64 = C.LOOP_SET_STATUS64
	LoopClrFd       = C.LOOP_CLR_FD
	LoopSetCapacity = C.LOOP_SET_CAPACITY
)

const (
	LoFlagsAutoClear = C.LO_FLAGS_AUTOCLEAR
	LoFlagsReadOnly  = C.LO_FLAGS_READ_ONLY
	LoFlagsPartScan  = C.LO_FLAGS_PARTSCAN
	LoKeySize        = C.LO_KEY_SIZE
	LoNameSize       = C.LO_NAME_SIZE
)

var (
	DefaultDataLoopbackSize     int64  = 100 * 1024 * 1024 * 1024
	DefaultMetaDataLoopbackSize int64  = 2 * 1024 * 1024 * 1024
	DefaultBaseFsSize           uint64 = 10 * 1024 * 1024 * 1024
)

var (
	ErrTaskRun                = errors.New("dm_task_run failed")
	ErrTaskSetName            = errors.New("dm_task_set_name failed")
	ErrTaskSetMessage         = errors.New("dm_task_set_message failed")
	ErrTaskSetAddNode         = errors.New("dm_task_set_add_node failed")
	ErrTaskSetRo              = errors.New("dm_task_set_ro failed")
	ErrTaskAddTarget          = errors.New("dm_task_add_target failed")
	ErrTaskSetSector          = errors.New("dm_task_set_sector failed")
	ErrTaskGetInfo            = errors.New("dm_task_get_info failed")
	ErrTaskGetDriverVersion   = errors.New("dm_task_get_driver_version failed")
	ErrTaskSetCookie          = errors.New("dm_task_set_cookie failed")
	ErrNilCookie              = errors.New("cookie ptr can't be nil")
	ErrAttachLoopbackDevice   = errors.New("loopback mounting failed")
	ErrGetBlockSize           = errors.New("Can't get block size")
	ErrUdevWait               = errors.New("wait on udev cookie failed")
	ErrSetDevDir              = errors.New("dm_set_dev_dir failed")
	ErrGetLibraryVersion      = errors.New("dm_get_library_version failed")
	ErrCreateRemoveTask       = errors.New("Can't create task of type DeviceRemove")
	ErrRunRemoveDevice        = errors.New("running removeDevice failed")
	ErrInvalidAddNode         = errors.New("Invalide AddNoce type")
	ErrGetLoopbackBackingFile = errors.New("Unable to get loopback backing file")
	ErrLoopbackSetCapacity    = errors.New("Unable set loopback capacity")
	ErrBusy                   = errors.New("Device is Busy")
)

var (
	DmGetLibraryVersion    = dmGetLibraryVersionFct
	DmGetNextTarget        = dmGetNextTargetFct
	DmLogInitVerbose       = dmLogInitVerboseFct
	DmSetDevDir            = dmSetDevDirFct
	DmTaskAddTarget        = dmTaskAddTargetFct
	DmTaskCreate           = dmTaskCreateFct
	DmTaskDestroy          = dmTaskDestroyFct
	DmTaskGetInfo          = dmTaskGetInfoFct
	DmTaskGetDriverVersion = dmTaskGetDriverVersionFct
	DmTaskRun              = dmTaskRunFct
	DmTaskSetAddNode       = dmTaskSetAddNodeFct
	DmTaskSetCookie        = dmTaskSetCookieFct
	DmTaskSetMessage       = dmTaskSetMessageFct
	DmTaskSetName          = dmTaskSetNameFct
	DmTaskSetRo            = dmTaskSetRoFct
	DmTaskSetSector        = dmTaskSetSectorFct
	DmUdevWait             = dmUdevWaitFct
	LogWithErrnoInit       = logWithErrnoInitFct
)

type AddNodeType int

const (
	AddNodeOnResume AddNodeType = iota
	AddNodeOnCreate
)

type CDmTask C.struct_dm_task

type CLoopInfo64 C.struct_loop_info64

type DevInfo struct {
	Hash          string `json:"-"`
	DeviceId      int    `json:"device_id"`
	Size          uint64 `json:"size"`
	TransactionId uint64 `json:"transaction_id"`
	Initialized   bool   `json:"initialized"`
	// contains filtered or unexported fields
}

type DevStatus struct {
	DeviceId            int
	Size                uint64
	TransactionId       uint64
	SizeInSectors       uint64
	MappedSectors       uint64
	HighestMappedSector uint64
}

type DeviceSet struct {
	MetaData
	sync.Mutex // Protects Devices map and serializes calls into libdevmapper

	TransactionId    uint64
	NewTransactionId uint64
	// contains filtered or unexported fields
}

type DevmapperLogger interface {
	// contains filtered or unexported methods
}

type DiskUsage struct {
	Used  uint64
	Total uint64
}

type Driver struct {
	*DeviceSet
	// contains filtered or unexported fields
}

type Info struct {
	Exists        int
	Suspended     int
	LiveTable     int
	InactiveTable int
	OpenCount     int32
	EventNr       uint32
	Major         uint32
	Minor         uint32
	ReadOnly      int
	TargetCount   int32
}

type LoopInfo64 struct {
	// contains filtered or unexported fields
}

type MetaData struct {
	Devices map[string]*DevInfo `json:devices`
	// contains filtered or unexported fields
}

type Status struct {
	PoolName         string
	DataLoopback     string
	MetadataLoopback string
	Data             DiskUsage
	Metadata         DiskUsage
	SectorSize       uint64
}

type Task struct {
	// contains filtered or unexported fields
}

type TaskType int

const (
	DeviceCreate TaskType = iota
	DeviceReload
	DeviceRemove
	DeviceRemoveAll
	DeviceSuspend
	DeviceResume
	DeviceInfo
	DeviceDeps
	DeviceRename
	DeviceVersion
	DeviceStatus
	DeviceTable
	DeviceWaitevent
	DeviceList
	DeviceClear
	DeviceMknodes
	DeviceListVersions
	DeviceTargetMsg
	DeviceSetGeometry
)