Editando: sockoptip_windows.go
// Copyright 2011 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. package net import ( "os" "runtime" "syscall" ) func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error { ip, err := interfaceToIPv4Addr(ifi) if err != nil { return os.NewSyscallError("setsockopt", err) } var a [4]byte copy(a[:], ip.To4()) err = fd.pfd.SetsockoptInet4Addr(syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, a) runtime.KeepAlive(fd) return wrapSyscallError("setsockopt", err) } func setIPv4MulticastLoopback(fd *netFD, v bool) error { err := fd.pfd.SetsockoptInt(syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP, boolint(v)) runtime.KeepAlive(fd) return wrapSyscallError("setsockopt", err) }
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