mirror of https://github.com/Dreamacro/clash.git
38 lines
647 B
Go
38 lines
647 B
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
"time"
|
|
)
|
|
|
|
func Listen(network, address string) (net.Listener, error) {
|
|
lc := net.ListenConfig{}
|
|
|
|
var lastErr error
|
|
for i := 0; i < 5; i++ {
|
|
l, err := lc.Listen(context.Background(), network, address)
|
|
if err == nil {
|
|
return l, nil
|
|
}
|
|
|
|
lastErr = err
|
|
time.Sleep(time.Millisecond * 200)
|
|
}
|
|
return nil, lastErr
|
|
}
|
|
|
|
func ListenPacket(network, address string) (net.PacketConn, error) {
|
|
var lastErr error
|
|
for i := 0; i < 5; i++ {
|
|
l, err := net.ListenPacket(network, address)
|
|
if err == nil {
|
|
return l, nil
|
|
}
|
|
|
|
lastErr = err
|
|
time.Sleep(time.Millisecond * 200)
|
|
}
|
|
return nil, lastErr
|
|
}
|