1 // Copyright 2018 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.
5 //go:build unix || js || wasip1 || windows
13 // A sockaddr represents a TCP, UDP, IP or Unix network endpoint
14 // address that can be converted into a syscall.Sockaddr.
15 type sockaddr interface {
18 // family returns the platform-dependent address family
22 // isWildcard reports whether the address is a wildcard
26 // sockaddr returns the address converted into a syscall
27 // sockaddr type that implements syscall.Sockaddr
28 // interface. It returns a nil interface when the address is
30 sockaddr(family int) (syscall.Sockaddr, error)
32 // toLocal maps the zero address to a local system address (127.0.0.1 or ::1)
33 toLocal(net string) sockaddr
36 func (fd *netFD) addrFunc() func(syscall.Sockaddr) Addr {
38 case syscall.AF_INET, syscall.AF_INET6:
40 case syscall.SOCK_STREAM:
42 case syscall.SOCK_DGRAM:
44 case syscall.SOCK_RAW:
49 case syscall.SOCK_STREAM:
51 case syscall.SOCK_DGRAM:
52 return sockaddrToUnixgram
53 case syscall.SOCK_SEQPACKET:
54 return sockaddrToUnixpacket
57 return func(syscall.Sockaddr) Addr { return nil }