/usr/share/gocode/src/code.google.com/p/go.net/ipv4/sockopt_unix.go is in golang-go.net-dev 0.0~hg20131201-1.
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The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | // Copyright 2012 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 ipv4
import (
"os"
"syscall"
)
func ipv4TOS(fd int) (int, error) {
v, err := syscall.GetsockoptInt(fd, ianaProtocolIP, syscall.IP_TOS)
if err != nil {
return 0, os.NewSyscallError("getsockopt", err)
}
return v, nil
}
func setIPv4TOS(fd int, v int) error {
return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd, ianaProtocolIP, syscall.IP_TOS, v))
}
func ipv4TTL(fd int) (int, error) {
v, err := syscall.GetsockoptInt(fd, ianaProtocolIP, syscall.IP_TTL)
if err != nil {
return 0, os.NewSyscallError("getsockopt", err)
}
return v, nil
}
func setIPv4TTL(fd int, v int) error {
return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd, ianaProtocolIP, syscall.IP_TTL, v))
}
func ipv4ReceiveTTL(fd int) (bool, error) {
v, err := syscall.GetsockoptInt(fd, ianaProtocolIP, syscall.IP_RECVTTL)
if err != nil {
return false, os.NewSyscallError("getsockopt", err)
}
return v == 1, nil
}
func setIPv4ReceiveTTL(fd int, v bool) error {
return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd, ianaProtocolIP, syscall.IP_RECVTTL, boolint(v)))
}
func ipv4HeaderPrepend(fd int) (bool, error) {
v, err := syscall.GetsockoptInt(fd, ianaProtocolIP, syscall.IP_HDRINCL)
if err != nil {
return false, os.NewSyscallError("getsockopt", err)
}
return v == 1, nil
}
func setIPv4HeaderPrepend(fd int, v bool) error {
return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd, ianaProtocolIP, syscall.IP_HDRINCL, boolint(v)))
}
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