sockopt_rfc2292_unix.go 2.1 KB

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  1. // Copyright 2013 The Go Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style
  3. // license that can be found in the LICENSE file.
  4. // +build darwin
  5. package ipv6
  6. import (
  7. "os"
  8. "unsafe"
  9. )
  10. func ipv6ReceiveTrafficClass(fd int) (bool, error) {
  11. return false, errNotSupported
  12. }
  13. func setIPv6ReceiveTrafficClass(fd int, v bool) error {
  14. return errNotSupported
  15. }
  16. func ipv6ReceiveHopLimit(fd int) (bool, error) {
  17. var v int32
  18. l := sysSockoptLen(4)
  19. if err := getsockopt(fd, ianaProtocolIPv6, sysSockopt2292HopLimit, uintptr(unsafe.Pointer(&v)), &l); err != nil {
  20. return false, os.NewSyscallError("getsockopt", err)
  21. }
  22. return v == 1, nil
  23. }
  24. func setIPv6ReceiveHopLimit(fd int, v bool) error {
  25. vv := int32(boolint(v))
  26. return os.NewSyscallError("setsockopt", setsockopt(fd, ianaProtocolIPv6, sysSockopt2292HopLimit, uintptr(unsafe.Pointer(&vv)), 4))
  27. }
  28. func ipv6ReceivePacketInfo(fd int) (bool, error) {
  29. var v int32
  30. l := sysSockoptLen(4)
  31. if err := getsockopt(fd, ianaProtocolIPv6, sysSockopt2292PacketInfo, uintptr(unsafe.Pointer(&v)), &l); err != nil {
  32. return false, os.NewSyscallError("getsockopt", err)
  33. }
  34. return v == 1, nil
  35. }
  36. func setIPv6ReceivePacketInfo(fd int, v bool) error {
  37. vv := int32(boolint(v))
  38. return os.NewSyscallError("setsockopt", setsockopt(fd, ianaProtocolIPv6, sysSockopt2292PacketInfo, uintptr(unsafe.Pointer(&vv)), 4))
  39. }
  40. func ipv6PathMTU(fd int) (int, error) {
  41. return 0, errNotSupported
  42. }
  43. func ipv6ReceivePathMTU(fd int) (bool, error) {
  44. return false, errNotSupported
  45. }
  46. func setIPv6ReceivePathMTU(fd int, v bool) error {
  47. return errNotSupported
  48. }
  49. func ipv6ICMPFilter(fd int) (*ICMPFilter, error) {
  50. var v ICMPFilter
  51. l := sysSockoptLen(sysSizeofICMPFilter)
  52. if err := getsockopt(fd, ianaProtocolIPv6ICMP, sysSockoptICMPFilter, uintptr(unsafe.Pointer(&v.sysICMPFilter)), &l); err != nil {
  53. return nil, os.NewSyscallError("getsockopt", err)
  54. }
  55. return &v, nil
  56. }
  57. func setIPv6ICMPFilter(fd int, f *ICMPFilter) error {
  58. return os.NewSyscallError("setsockopt", setsockopt(fd, ianaProtocolIPv6ICMP, sysSockoptICMPFilter, uintptr(unsafe.Pointer(&f.sysICMPFilter)), sysSizeofICMPFilter))
  59. }