nbd

package

v0.1.2 Latest Latest Go to latest Published: Sep 15, 2016 License: Apache-2.0, MIT Imports: 11 Imported by: 0

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Repository

github.com/coreos/torus

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Open Source Insights

README ¶

nbd

Golang Linux Network Block Device as a local block device in user space.

Documentation ¶

Overview ¶

Package nbd uses the Linux NBD layer to emulate a block device in user space

Index ¶

Constants
func Detach(dev string) error
func FindDevice() (string, error)
type Device
type DeviceFinder
type NBD
- func Create(device Device, size int64, blocksize int64) *NBD
type NBDConn
- func (c *NBDConn) Close() error
type NBDServer
- func NewNBDServer(addr string, finder DeviceFinder) (*NBDServer, error)
- func (s *NBDServer) Close() error
- func (s *NBDServer) Serve() error

Constants ¶

View Source

const (
	// Defined in <linux/fs.h>:
	BLKROSET = 4701
)

Variables ¶

This section is empty.

Functions ¶

func Detach ¶ added in v0.1.2

func Detach(dev string) error

func FindDevice ¶

func FindDevice() (string, error)

Types ¶

type Device ¶

type Device interface {
	ReadAt(b []byte, off int64) (n int, err error)
	WriteAt(b []byte, off int64) (n int, err error)
	Sync() error
	Trim(off, len int64) error
	Size() uint64
	Close() error
}

Device interface is a subset of os.File.

type DeviceFinder ¶ added in v0.1.1

type DeviceFinder interface {
	FindDevice(name string) (Device, error)
	ListDevices() ([]string, error)
}

type NBD ¶

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

func Create ¶

func Create(device Device, size int64, blocksize int64) *NBD

func (*NBD) Disconnect ¶ added in v0.1.0

func (nbd *NBD) Disconnect()

func (*NBD) IsConnected ¶

func (nbd *NBD) IsConnected() bool

return true if connected

func (*NBD) OpenDevice ¶ added in v0.1.0

func (nbd *NBD) OpenDevice(dev string) (string, error)

func (*NBD) Serve ¶

func (nbd *NBD) Serve() error

func (*NBD) SetBlockSize ¶ added in v0.1.0

func (nbd *NBD) SetBlockSize(blocksize int64) error

func (*NBD) SetSize ¶ added in v0.1.0

func (nbd *NBD) SetSize(size int64) error

func (*NBD) Size ¶

func (nbd *NBD) Size() int64

type NBDConn ¶ added in v0.1.1

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

func (*NBDConn) Close ¶ added in v0.1.1

func (c *NBDConn) Close() error

type NBDServer ¶ added in v0.1.1

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

func NewNBDServer ¶ added in v0.1.1

func NewNBDServer(addr string, finder DeviceFinder) (*NBDServer, error)

func (*NBDServer) Close ¶ added in v0.1.1

func (s *NBDServer) Close() error

func (*NBDServer) Serve ¶ added in v0.1.1

func (s *NBDServer) Serve() error

Source Files ¶

View all Source files

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