mirror of
https://github.com/cmz0228/hysteria-dev.git
synced 2025-06-15 00:39:52 +00:00
53 lines
976 B
Go
53 lines
976 B
Go
package udphop
|
|
|
|
import (
|
|
"net"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
packetQueueSize = 1024
|
|
udpBufferSize = 4096
|
|
)
|
|
|
|
// parseAddr parses the listen address and returns the host and ports.
|
|
// Format: "host:port1,port2,port3,..."
|
|
func parseAddr(addr string) (host string, ports []uint16, err error) {
|
|
host, portStr, err := net.SplitHostPort(addr)
|
|
if err != nil {
|
|
return
|
|
}
|
|
portsStr := strings.Split(portStr, ",")
|
|
if len(portsStr) < 2 {
|
|
return "", nil, net.InvalidAddrError("at least two ports required")
|
|
}
|
|
ports = make([]uint16, len(portsStr))
|
|
for i, p := range portsStr {
|
|
port, err := strconv.ParseUint(p, 10, 16)
|
|
if err != nil {
|
|
return "", nil, net.InvalidAddrError("invalid port: " + p)
|
|
}
|
|
ports[i] = uint16(port)
|
|
}
|
|
return
|
|
}
|
|
|
|
type udpHopAddr struct {
|
|
listen string
|
|
}
|
|
|
|
func (a *udpHopAddr) Network() string {
|
|
return "udp-hop"
|
|
}
|
|
|
|
func (a *udpHopAddr) String() string {
|
|
return a.listen
|
|
}
|
|
|
|
type udpPacket struct {
|
|
buf []byte
|
|
n int
|
|
addr net.Addr
|
|
}
|