mirror of
https://github.com/yggdrasil-network/yggdrasil-go.git
synced 2024-11-27 03:55:18 +00:00
38 lines
718 B
Go
38 lines
718 B
Go
//go:build !cgo && (darwin || ios)
|
|
// +build !cgo
|
|
// +build darwin ios
|
|
|
|
package multicast
|
|
|
|
import (
|
|
"syscall"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func (m *Multicast) _multicastStarted() {
|
|
|
|
}
|
|
|
|
func (m *Multicast) multicastReuse(network string, address string, c syscall.RawConn) error {
|
|
var control error
|
|
var reuseport error
|
|
var recvanyif error
|
|
|
|
control = c.Control(func(fd uintptr) {
|
|
reuseport = unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEPORT, 1)
|
|
|
|
// sys/socket.h: #define SO_RECV_ANYIF 0x1104
|
|
recvanyif = unix.SetsockoptInt(int(fd), syscall.SOL_SOCKET, 0x1104, 1)
|
|
})
|
|
|
|
switch {
|
|
case reuseport != nil:
|
|
return reuseport
|
|
case recvanyif != nil:
|
|
return recvanyif
|
|
default:
|
|
return control
|
|
}
|
|
}
|