file2

package
v0.0.0-...-2c8b24f Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jun 24, 2015 License: GPL-2.0 Imports: 8 Imported by: 0

Documentation

Index

Constants

View Source 
const BLOCKSIZE = 4096
View Source 
const CONTROLSIZE = 20
View Source 
const MAX_HEAP = false
View Source 
const MIN_HEAP = true

Variables

View Source 
var OPENFLAG = os.O_RDWR | os.O_CREATE | syscall.O_NOATIME

Functions

This section is empty.

Types

type BlockAllocator 

type BlockAllocator interface {
	Free(key int64) error
	Allocate() (key int64, err error)
	AllocateBlocks(n int) (key int64, err error)
}

type BlockDevice 

type BlockDevice interface {
	BlockReadWriter
	BlockAllocator
	Closer
	RootController
}

type BlockFile 

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

func NewBlockFile 

func NewBlockFile(path string, buf buf.Buffer) *BlockFile

func NewBlockFileCustomBlockSize 

func NewBlockFileCustomBlockSize(path string, buf buf.Buffer, size uint32) *BlockFile

func (*BlockFile) Allocate 

func (self *BlockFile) Allocate() (pos int64, err error)

func (*BlockFile) AllocateBlocks 

func (self *BlockFile) AllocateBlocks(n int) (pos int64, err error)

func (*BlockFile) BlockSize 

func (self *BlockFile) BlockSize() uint32

func (*BlockFile) Close 

func (self *BlockFile) Close() error

func (*BlockFile) ControlData 

func (self *BlockFile) ControlData() (data ByteSlice, err error)

func (*BlockFile) Free 

func (self *BlockFile) Free(pos int64) error

func (*BlockFile) Open 

func (self *BlockFile) Open() error

func (*BlockFile) Path 

func (self *BlockFile) Path() string

func (*BlockFile) ReadBlock 

func (self *BlockFile) ReadBlock(p int64) (ByteSlice, error)

func (*BlockFile) ReadBlocks 

func (self *BlockFile) ReadBlocks(p int64, n int) (ByteSlice, error)

func (*BlockFile) Remove 

func (self *BlockFile) Remove() error

func (*BlockFile) SetControlData 

func (self *BlockFile) SetControlData(data ByteSlice) (err error)

func (*BlockFile) Size 

func (self *BlockFile) Size() (uint64, error)

func (*BlockFile) WriteBlock 

func (self *BlockFile) WriteBlock(p int64, block ByteSlice) error

type BlockReadWriter 

type BlockReadWriter interface {
	BlockSizer
	ReadBlock(key int64) (block ByteSlice, err error)
	ReadBlocks(key int64, n int) (blocks ByteSlice, err error)
	WriteBlock(key int64, block ByteSlice) error
}

type BlockReader 

type BlockReader interface {
	BlockSizer
	ReadBlock(key int64) (block ByteSlice, err error)
	ReadBlocks(key int64, n int) (blocks ByteSlice, err error)
}

type BlockSizer 

type BlockSizer interface {
	BlockSize() uint32
}

type BlockWriter 

type BlockWriter interface {
	BlockSizer
	WriteBlock(key int64, block ByteSlice) error
}

type Closer 

type Closer interface {
	Close() error
}

type LFUCacheFile 

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

func NewLFUCacheFile 

func NewLFUCacheFile(file RemovableBlockDevice, size uint64) (cf *LFUCacheFile, err error)

func (*LFUCacheFile) Allocate 

func (self *LFUCacheFile) Allocate() (key int64, err error)

func (*LFUCacheFile) AllocateBlocks 

func (self *LFUCacheFile) AllocateBlocks(n int) (key int64, err error)

func (*LFUCacheFile) BlockSize 

func (self *LFUCacheFile) BlockSize() uint32

func (*LFUCacheFile) Close 

func (self *LFUCacheFile) Close() error

func (*LFUCacheFile) ControlData 

func (self *LFUCacheFile) ControlData() (data bs.ByteSlice, err error)

func (*LFUCacheFile) Free 

func (self *LFUCacheFile) Free(key int64) error

func (*LFUCacheFile) ReadBlock 

func (self *LFUCacheFile) ReadBlock(key int64) (block bs.ByteSlice, err error)

func (*LFUCacheFile) ReadBlocks 

func (self *LFUCacheFile) ReadBlocks(key int64, n int) (blocks bs.ByteSlice, err error)

func (*LFUCacheFile) Remove 

func (self *LFUCacheFile) Remove() error

func (*LFUCacheFile) SetControlData 

func (self *LFUCacheFile) SetControlData(data bs.ByteSlice) (err error)

func (*LFUCacheFile) WriteBlock 

func (self *LFUCacheFile) WriteBlock(key int64, block bs.ByteSlice) (err error)

type LRUCacheFile 

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

func NewLRUCacheFile 

func NewLRUCacheFile(file RemovableBlockDevice, size uint64) (cf *LRUCacheFile, err error)

func OpenLRUCacheFile 

func OpenLRUCacheFile(file RemovableBlockDevice, size uint64) (cf *LRUCacheFile, err error)

func (*LRUCacheFile) Allocate 

func (self *LRUCacheFile) Allocate() (key int64, err error)

func (*LRUCacheFile) AllocateBlocks 

func (self *LRUCacheFile) AllocateBlocks(n int) (key int64, err error)

func (*LRUCacheFile) BlockSize 

func (self *LRUCacheFile) BlockSize() uint32

func (*LRUCacheFile) Close 

func (self *LRUCacheFile) Close() error

func (*LRUCacheFile) ControlData 

func (self *LRUCacheFile) ControlData() (data bs.ByteSlice, err error)

func (*LRUCacheFile) Free 

func (self *LRUCacheFile) Free(key int64) error

func (*LRUCacheFile) Persist 

func (self *LRUCacheFile) Persist() error

func (*LRUCacheFile) ReadBlock 

func (self *LRUCacheFile) ReadBlock(key int64) (block bs.ByteSlice, err error)

func (*LRUCacheFile) ReadBlocks 

func (self *LRUCacheFile) ReadBlocks(key int64, n int) (blocks bs.ByteSlice, err error)

func (*LRUCacheFile) Remove 

func (self *LRUCacheFile) Remove() error

func (*LRUCacheFile) SetControlData 

func (self *LRUCacheFile) SetControlData(data bs.ByteSlice) (err error)

func (*LRUCacheFile) WriteBlock 

func (self *LRUCacheFile) WriteBlock(key int64, block bs.ByteSlice) (err error)

type Removable 

type Removable interface {
	Remove() error
}

type RemovableBlockDevice 

type RemovableBlockDevice interface {
	BlockDevice
	Removable
}

type RootController 

type RootController interface {
	ControlData() (block ByteSlice, err error)
	SetControlData(block ByteSlice) (err error)
}

Source Files

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