tun

package
v0.0.0-...-0de9ac5 Latest Latest
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Published: Dec 22, 2020 License: MIT Imports: 11 Imported by: 3

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Constants

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const (
	EventUp = 1 << iota
	EventDown
	EventMTUUpdate
)

Variables

This section is empty.

Functions

This section is empty.

Types

type Device

type Device interface {
	File() *os.File                 // returns the file descriptor of the device
	Read([]byte, int) (int, error)  // read a packet from the device (without any additional headers)
	Write([]byte, int) (int, error) // writes a packet to the device (without any additional headers)
	Flush() error                   // flush all previous writes to the device
	MTU() (int, error)              // returns the MTU of the device
	Name() (string, error)          // fetches and returns the current name
	Events() chan Event             // returns a constant channel of events related to the device
	Close() error                   // stops the device and closes the event channel
}

func CreateTUN

func CreateTUN(name string, mtu int) (Device, error)

func CreateTUNFromFile

func CreateTUNFromFile(file *os.File, mtu int) (Device, error)

func CreateUnmonitoredTUNFromFD

func CreateUnmonitoredTUNFromFD(fd int) (Device, string, error)

type Event

type Event int

type NativeTun

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

func (*NativeTun) Close

func (tun *NativeTun) Close() error

func (*NativeTun) Events

func (tun *NativeTun) Events() chan Event

func (*NativeTun) File

func (tun *NativeTun) File() *os.File

func (*NativeTun) Flush

func (tun *NativeTun) Flush() error

func (*NativeTun) MTU

func (tun *NativeTun) MTU() (int, error)

func (*NativeTun) Name

func (tun *NativeTun) Name() (string, error)

func (*NativeTun) Read

func (tun *NativeTun) Read(buff []byte, offset int) (int, error)

func (*NativeTun) Write

func (tun *NativeTun) Write(buff []byte, offset int) (int, error)

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