David K. Bainbridge | 215e024 | 2017-09-05 23:18:24 -0700 | [diff] [blame] | 1 | // Copyright 2017 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 | |
| 5 | package socket |
| 6 | |
| 7 | import ( |
| 8 | "errors" |
| 9 | "syscall" |
| 10 | "unsafe" |
| 11 | ) |
| 12 | |
| 13 | func probeProtocolStack() int { |
| 14 | var p uintptr |
| 15 | return int(unsafe.Sizeof(p)) |
| 16 | } |
| 17 | |
| 18 | const ( |
| 19 | sysAF_UNSPEC = 0x0 |
| 20 | sysAF_INET = 0x2 |
| 21 | sysAF_INET6 = 0x17 |
| 22 | |
| 23 | sysSOCK_RAW = 0x3 |
| 24 | ) |
| 25 | |
| 26 | type sockaddrInet struct { |
| 27 | Family uint16 |
| 28 | Port uint16 |
| 29 | Addr [4]byte /* in_addr */ |
| 30 | Zero [8]uint8 |
| 31 | } |
| 32 | |
| 33 | type sockaddrInet6 struct { |
| 34 | Family uint16 |
| 35 | Port uint16 |
| 36 | Flowinfo uint32 |
| 37 | Addr [16]byte /* in6_addr */ |
| 38 | Scope_id uint32 |
| 39 | } |
| 40 | |
| 41 | const ( |
| 42 | sizeofSockaddrInet = 0x10 |
| 43 | sizeofSockaddrInet6 = 0x1c |
| 44 | ) |
| 45 | |
| 46 | func getsockopt(s uintptr, level, name int, b []byte) (int, error) { |
| 47 | l := uint32(len(b)) |
| 48 | err := syscall.Getsockopt(syscall.Handle(s), int32(level), int32(name), (*byte)(unsafe.Pointer(&b[0])), (*int32)(unsafe.Pointer(&l))) |
| 49 | return int(l), err |
| 50 | } |
| 51 | |
| 52 | func setsockopt(s uintptr, level, name int, b []byte) error { |
| 53 | return syscall.Setsockopt(syscall.Handle(s), int32(level), int32(name), (*byte)(unsafe.Pointer(&b[0])), int32(len(b))) |
| 54 | } |
| 55 | |
| 56 | func recvmsg(s uintptr, h *msghdr, flags int) (int, error) { |
| 57 | return 0, errors.New("not implemented") |
| 58 | } |
| 59 | |
| 60 | func sendmsg(s uintptr, h *msghdr, flags int) (int, error) { |
| 61 | return 0, errors.New("not implemented") |
| 62 | } |
| 63 | |
| 64 | func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { |
| 65 | return 0, errors.New("not implemented") |
| 66 | } |
| 67 | |
| 68 | func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { |
| 69 | return 0, errors.New("not implemented") |
| 70 | } |