allocator

package module

v0.0.0-...-359b95b Latest Latest Go to latest Published: Mar 20, 2024 License: Apache-2.0 Imports: 6 Imported by: 1

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Repository

github.com/vahagz/disk-allocator

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
type Allocator
- func Open(filename string, opts *Options) (*Allocator, error)
type Options
type PagerOptions
type Pointable
type Pointer

Constants ¶

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const PointerMetaSize = 5

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const PointerSize = 8 + PointerMetaSize

Variables ¶

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var ErrInvalidPointer = errors.New("invalid Pointer")

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var ErrMarshal = errors.New("marshal error")

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var ErrUnmarshal = errors.New("unmarshal error")

Functions ¶

This section is empty.

Types ¶

type Allocator ¶

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

func Open ¶

func Open(filename string, opts *Options) (*Allocator, error)

func (*Allocator) Alloc ¶

func (a *Allocator) Alloc(size uint32) Pointable

func (*Allocator) Close ¶

func (a *Allocator) Close() error

func (*Allocator) FirstPointer ¶

func (a *Allocator) FirstPointer(size uint32) Pointable

func (*Allocator) Free ¶

func (a *Allocator) Free(p Pointable)

func (*Allocator) Link ¶

func (a *Allocator) Link(ptr Pointable)

func (*Allocator) Nil ¶

func (a *Allocator) Nil() Pointable

func (*Allocator) Pointer ¶

func (a *Allocator) Pointer(addr uint64, size uint32) Pointable

func (*Allocator) PreAlloc ¶

func (a *Allocator) PreAlloc(size uint32)

func (*Allocator) Print ¶

func (a *Allocator) Print() error

func (*Allocator) Remove ¶

func (a *Allocator) Remove()

func (*Allocator) Scan ¶

func (a *Allocator) Scan(startPtr Pointable, scanFn func(Pointable) (bool, error)) (err error)

func (*Allocator) Size ¶

func (a *Allocator) Size() uint64

type Options ¶

type Options struct {
	TargetPageSize uint16
	TreePageSize   uint16
	PagerOptions   PagerOptions
}

type PagerOptions ¶

type PagerOptions struct {
	FileName string
	PageSize int
}

type Pointable ¶

type Pointable interface {
	Get(into encoding.BinaryUnmarshaler) error
	Set(from encoding.BinaryMarshaler) error
	Addr() uint64
	Size() uint32
	IsFree() bool
	IsNil() bool
	Copy() Pointable
	Equal(ptr Pointable) bool
	// contains filtered or unexported methods
}

type Pointer ¶

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

func (*Pointer) Addr ¶

func (p *Pointer) Addr() uint64

func (*Pointer) Copy ¶

func (p *Pointer) Copy() Pointable

func (*Pointer) Equal ¶

func (p *Pointer) Equal(ptr Pointable) bool

func (*Pointer) Format ¶

func (p *Pointer) Format(f fmt.State, c rune)

func (*Pointer) Get ¶

func (p *Pointer) Get(into encoding.BinaryUnmarshaler) error

func (*Pointer) IsFree ¶

func (p *Pointer) IsFree() bool

func (*Pointer) IsNil ¶

func (p *Pointer) IsNil() bool

func (*Pointer) MarshalBinary ¶

func (p *Pointer) MarshalBinary() ([]byte, error)

func (*Pointer) Set ¶

func (p *Pointer) Set(from encoding.BinaryMarshaler) error

func (*Pointer) Size ¶

func (p *Pointer) Size() uint32

func (*Pointer) UnmarshalBinary ¶

func (p *Pointer) UnmarshalBinary(d []byte) error

Source Files ¶

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Directories ¶

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