yggdrasil-go/src/yggdrasil/tcp_darwin.go
2019-10-25 19:32:53 -05:00

33 lines
642 B
Go

// +build darwin
package yggdrasil
import (
"syscall"
"golang.org/x/sys/unix"
)
// WARNING: This context is used both by net.Dialer and net.Listen in tcp.go
func (t *tcp) tcpContext(network, address string, c syscall.RawConn) error {
var control error
var recvanyif error
control = c.Control(func(fd uintptr) {
// sys/socket.h: #define SO_RECV_ANYIF 0x1104
recvanyif = unix.SetsockoptInt(int(fd), syscall.SOL_SOCKET, 0x1104, 1)
})
switch {
case recvanyif != nil:
return recvanyif
default:
return control
}
}
func (t *tcp) getControl(sintf string) func(string, string, syscall.RawConn) error {
return t.tcpContext
}