libgo/go/syscall/socket_irix.go

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