mirror of
https://github.com/MetaCubeX/mihomo.git
synced 2024-09-19 15:12:33 +00:00
60 lines
866 B
Go
60 lines
866 B
Go
//go:build !windows
|
|
|
|
package fdbased
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"strconv"
|
|
|
|
"github.com/Dreamacro/clash/listener/tun/device"
|
|
|
|
"golang.org/x/sys/unix"
|
|
"gvisor.dev/gvisor/pkg/tcpip/stack"
|
|
)
|
|
|
|
type FD struct {
|
|
stack.LinkEndpoint
|
|
|
|
fd int
|
|
mtu uint32
|
|
|
|
file *os.File
|
|
}
|
|
|
|
func Open(name string, mtu uint32) (device.Device, error) {
|
|
fd, err := strconv.Atoi(name)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("cannot open fd: %s", name)
|
|
}
|
|
if mtu == 0 {
|
|
mtu = defaultMTU
|
|
}
|
|
return open(fd, mtu)
|
|
}
|
|
|
|
func (f *FD) Type() string {
|
|
return Driver
|
|
}
|
|
|
|
func (f *FD) Name() string {
|
|
return strconv.Itoa(f.fd)
|
|
}
|
|
|
|
func (f *FD) Close() error {
|
|
err := unix.Close(f.fd)
|
|
if f.file != nil {
|
|
_ = f.file.Close()
|
|
}
|
|
return err
|
|
}
|
|
|
|
func (f *FD) UseEndpoint() error {
|
|
return f.useEndpoint()
|
|
}
|
|
|
|
func (f *FD) UseIOBased() error {
|
|
return f.useIOBased()
|
|
}
|
|
|
|
var _ device.Device = (*FD)(nil)
|