1// socket_irix.go -- Socket handling specific to IRIX 6.
2
3// Copyright 2011 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// +build irix
8
9package syscall
10
11const SizeofSockaddrInet4 = 16
12const SizeofSockaddrInet6 = 28
13const SizeofSockaddrUnix = 110
14
15type RawSockaddrInet4 struct {
16	Family uint16
17	Port   uint16
18	Addr   [4]byte /* in_addr */
19	Zero   [8]uint8
20}
21
22func (sa *RawSockaddrInet4) setLen() Socklen_t {
23	return SizeofSockaddrInet4
24}
25
26type RawSockaddrInet6 struct {
27	Family   uint16
28	Port     uint16
29	Flowinfo uint32
30	Addr     [16]byte /* in6_addr */
31	Scope_id uint32
32}
33
34func (sa *RawSockaddrInet6) setLen() Socklen_t {
35	return SizeofSockaddrInet6
36}
37
38type RawSockaddrUnix struct {
39	Family uint16
40	Path   [108]int8
41}
42
43func (sa *RawSockaddrUnix) setLen(int) {
44}
45
46func (sa *RawSockaddrUnix) getLen() (int, error) {
47	if sa.Path[0] == 0 {
48		// "Abstract" Unix domain socket.
49		// Rewrite leading NUL as @ for textual display.
50		// (This is the standard convention.)
51		// Not friendly to overwrite in place,
52		// but the callers below don't care.
53		sa.Path[0] = '@'
54	}
55
56	// Assume path ends at NUL.
57	// This is not technically the GNU/Linux semantics for
58	// abstract Unix domain sockets--they are supposed
59	// to be uninterpreted fixed-size binary blobs--but
60	// everyone uses this convention.
61	n := 0
62	for n < len(sa.Path)-3 && sa.Path[n] != 0 {
63		n++
64	}
65
66	return n, nil
67}
68
69func (sa *RawSockaddrUnix) adjustAbstract(sl Socklen_t) Socklen_t {
70	return sl
71}
72
73type RawSockaddr struct {
74	Family uint16
75	Data   [14]int8
76}
77
78// BindToDevice binds the socket associated with fd to device.
79func BindToDevice(fd int, device string) (err error) {
80	return ENOSYS
81}
82
83// <netdb.h> only provides struct addrinfo, AI_* and EAI_* if  _NO_XOPEN4
84// && _NO_XOPEN5, but -D_XOPEN_SOURCE=500 is required for msg_control etc.
85// in struct msghgr, so simply provide them here.
86type Addrinfo struct {
87	Ai_flags     int32
88	Ai_family    int32
89	Ai_socktype  int32
90	Ai_protocol  int32
91	Ai_addrlen   int32
92	Ai_canonname *uint8
93	Ai_addr      *_sockaddr
94	Ai_next      *Addrinfo
95}
96
97const (
98	AI_PASSIVE     = 0x00000001
99	AI_CANONNAME   = 0x00000002
100	AI_NUMERICHOST = 0x00000004
101	AI_NUMERICSERV = 0x00000008
102	AI_ALL         = 0x00000100
103	AI_ADDRCONFIG  = 0x00000400
104	AI_V4MAPPED    = 0x00000800
105	AI_DEFAULT     = (AI_V4MAPPED | AI_ADDRCONFIG)
106)
107
108const (
109	EAI_ADDRFAMILY = 1
110	EAI_AGAIN      = 2
111	EAI_BADFLAGS   = 3
112	EAI_FAIL       = 4
113	EAI_FAMILY     = 5
114	EAI_MEMORY     = 6
115	EAI_NODATA     = 7
116	EAI_NONAME     = 8
117	EAI_SERVICE    = 9
118	EAI_SOCKTYPE   = 10
119	EAI_SYSTEM     = 11
120	EAI_BADHINTS   = 12
121	EAI_OVERFLOW   = 13
122	EAI_MAX        = 14
123)
124
125func anyToSockaddrOS(rsa *RawSockaddrAny) (Sockaddr, error) {
126	return nil, EAFNOSUPPORT
127}
128
129// <netinet/in.h.h> only provides IPV6_* etc. if  _NO_XOPEN4 && _NO_XOPEN5,
130// so as above simply provide them here.
131const (
132	IPV6_UNICAST_HOPS   = 48
133	IPV6_MULTICAST_IF   = IP_MULTICAST_IF
134	IPV6_MULTICAST_HOPS = IP_MULTICAST_TTL
135	IPV6_MULTICAST_LOOP = IP_MULTICAST_LOOP
136)
137