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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2023 WireGuard LLC. All Rights Reserved.
*/
package tun
import (
"os"
)
type Event int
const (
EventUp = 1 << iota
EventDown
EventMTUUpdate
)
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
}
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