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Diffstat (limited to 'vendor/golang.org/x/net/ipv4/sys_asmreq.go')
-rw-r--r--vendor/golang.org/x/net/ipv4/sys_asmreq.go119
1 files changed, 0 insertions, 119 deletions
diff --git a/vendor/golang.org/x/net/ipv4/sys_asmreq.go b/vendor/golang.org/x/net/ipv4/sys_asmreq.go
deleted file mode 100644
index 0388cba..0000000
--- a/vendor/golang.org/x/net/ipv4/sys_asmreq.go
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build darwin dragonfly freebsd netbsd openbsd solaris windows
-
-package ipv4
-
-import (
- "net"
- "unsafe"
-
- "golang.org/x/net/internal/socket"
-)
-
-func (so *sockOpt) setIPMreq(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
- mreq := ipMreq{Multiaddr: [4]byte{grp[0], grp[1], grp[2], grp[3]}}
- if err := setIPMreqInterface(&mreq, ifi); err != nil {
- return err
- }
- b := (*[sizeofIPMreq]byte)(unsafe.Pointer(&mreq))[:sizeofIPMreq]
- return so.Set(c, b)
-}
-
-func (so *sockOpt) getMulticastIf(c *socket.Conn) (*net.Interface, error) {
- var b [4]byte
- if _, err := so.Get(c, b[:]); err != nil {
- return nil, err
- }
- ifi, err := netIP4ToInterface(net.IPv4(b[0], b[1], b[2], b[3]))
- if err != nil {
- return nil, err
- }
- return ifi, nil
-}
-
-func (so *sockOpt) setMulticastIf(c *socket.Conn, ifi *net.Interface) error {
- ip, err := netInterfaceToIP4(ifi)
- if err != nil {
- return err
- }
- var b [4]byte
- copy(b[:], ip)
- return so.Set(c, b[:])
-}
-
-func setIPMreqInterface(mreq *ipMreq, ifi *net.Interface) error {
- if ifi == nil {
- return nil
- }
- ifat, err := ifi.Addrs()
- if err != nil {
- return err
- }
- for _, ifa := range ifat {
- switch ifa := ifa.(type) {
- case *net.IPAddr:
- if ip := ifa.IP.To4(); ip != nil {
- copy(mreq.Interface[:], ip)
- return nil
- }
- case *net.IPNet:
- if ip := ifa.IP.To4(); ip != nil {
- copy(mreq.Interface[:], ip)
- return nil
- }
- }
- }
- return errNoSuchInterface
-}
-
-func netIP4ToInterface(ip net.IP) (*net.Interface, error) {
- ift, err := net.Interfaces()
- if err != nil {
- return nil, err
- }
- for _, ifi := range ift {
- ifat, err := ifi.Addrs()
- if err != nil {
- return nil, err
- }
- for _, ifa := range ifat {
- switch ifa := ifa.(type) {
- case *net.IPAddr:
- if ip.Equal(ifa.IP) {
- return &ifi, nil
- }
- case *net.IPNet:
- if ip.Equal(ifa.IP) {
- return &ifi, nil
- }
- }
- }
- }
- return nil, errNoSuchInterface
-}
-
-func netInterfaceToIP4(ifi *net.Interface) (net.IP, error) {
- if ifi == nil {
- return net.IPv4zero.To4(), nil
- }
- ifat, err := ifi.Addrs()
- if err != nil {
- return nil, err
- }
- for _, ifa := range ifat {
- switch ifa := ifa.(type) {
- case *net.IPAddr:
- if ip := ifa.IP.To4(); ip != nil {
- return ip, nil
- }
- case *net.IPNet:
- if ip := ifa.IP.To4(); ip != nil {
- return ip, nil
- }
- }
- }
- return nil, errNoSuchInterface
-}