37 lines
829 B
Go
37 lines
829 B
Go
// Copyright 2009 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build darwin freebsd linux netbsd openbsd
|
|
|
|
package net
|
|
|
|
import "syscall"
|
|
|
|
func listenerSockaddr(s, f int, la syscall.Sockaddr, toAddr func(syscall.Sockaddr) Addr) (syscall.Sockaddr, error) {
|
|
a := toAddr(la)
|
|
if a == nil {
|
|
return la, nil
|
|
}
|
|
switch a := a.(type) {
|
|
case *TCPAddr, *UnixAddr:
|
|
if err := setDefaultListenerSockopts(s); err != nil {
|
|
return nil, err
|
|
}
|
|
case *UDPAddr:
|
|
if a.IP.IsMulticast() {
|
|
if err := setDefaultMulticastSockopts(s); err != nil {
|
|
return nil, err
|
|
}
|
|
switch f {
|
|
case syscall.AF_INET:
|
|
a.IP = IPv4zero
|
|
case syscall.AF_INET6:
|
|
a.IP = IPv6unspecified
|
|
}
|
|
return a.sockaddr(f)
|
|
}
|
|
}
|
|
return la, nil
|
|
}
|