mihomo/transport/hysteria/utils/misc.go
wwqgtxx 17c081a40c add support for hysteria udp port hopping (#269)
* add support for hysteria udp port hopping

* add ports field for hysteria

* change method for udp connection

Co-authored-by: geoleonsh <geoleonsh@live.com>
2022-11-27 11:09:56 +08:00

49 lines
848 B
Go

package utils
import (
"context"
"net"
"strconv"
)
func SplitHostPort(hostport string) (string, uint16, error) {
host, port, err := net.SplitHostPort(hostport)
if err != nil {
return "", 0, err
}
portUint, err := strconv.ParseUint(port, 10, 16)
if err != nil {
return "", 0, err
}
return host, uint16(portUint), err
}
func ParseIPZone(s string) (net.IP, string) {
s, zone := splitHostZone(s)
return net.ParseIP(s), zone
}
func splitHostZone(s string) (host, zone string) {
if i := last(s, '%'); i > 0 {
host, zone = s[:i], s[i+1:]
} else {
host = s
}
return
}
func last(s string, b byte) int {
i := len(s)
for i--; i >= 0; i-- {
if s[i] == b {
break
}
}
return i
}
type PacketDialer interface {
ListenPacket() (net.PacketConn, error)
Context() context.Context
RemoteAddr(host string) (net.Addr, error)
}