tile38/vendor/golang.org/x/net/ipv4/sockopt_posix.go
Josh Baker 26d0083faf Update vendoring to use golang/dep
commit a1a37d335a8e89ac89d85c00c8585d3fc02e064a
Author: Josh Baker <joshbaker77@gmail.com>
Date:   Thu Oct 5 07:36:54 2017 -0700

    use symlink instead of copy

commit 96399c2c92620f633611c778e5473200bfd48d41
Author: Josh Baker <joshbaker77@gmail.com>
Date:   Thu Oct 5 07:19:26 2017 -0700

    use dep for vendoring
2017-10-05 07:40:19 -07:00

72 lines
1.7 KiB
Go

// 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 linux netbsd openbsd solaris windows
package ipv4
import (
"net"
"unsafe"
"golang.org/x/net/bpf"
"golang.org/x/net/internal/socket"
)
func (so *sockOpt) getMulticastInterface(c *socket.Conn) (*net.Interface, error) {
switch so.typ {
case ssoTypeIPMreqn:
return so.getIPMreqn(c)
default:
return so.getMulticastIf(c)
}
}
func (so *sockOpt) setMulticastInterface(c *socket.Conn, ifi *net.Interface) error {
switch so.typ {
case ssoTypeIPMreqn:
return so.setIPMreqn(c, ifi, nil)
default:
return so.setMulticastIf(c, ifi)
}
}
func (so *sockOpt) getICMPFilter(c *socket.Conn) (*ICMPFilter, error) {
b := make([]byte, so.Len)
n, err := so.Get(c, b)
if err != nil {
return nil, err
}
if n != sizeofICMPFilter {
return nil, errOpNoSupport
}
return (*ICMPFilter)(unsafe.Pointer(&b[0])), nil
}
func (so *sockOpt) setICMPFilter(c *socket.Conn, f *ICMPFilter) error {
b := (*[sizeofICMPFilter]byte)(unsafe.Pointer(f))[:sizeofICMPFilter]
return so.Set(c, b)
}
func (so *sockOpt) setGroup(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
switch so.typ {
case ssoTypeIPMreq:
return so.setIPMreq(c, ifi, grp)
case ssoTypeIPMreqn:
return so.setIPMreqn(c, ifi, grp)
case ssoTypeGroupReq:
return so.setGroupReq(c, ifi, grp)
default:
return errOpNoSupport
}
}
func (so *sockOpt) setSourceGroup(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error {
return so.setGroupSourceReq(c, ifi, grp, src)
}
func (so *sockOpt) setBPF(c *socket.Conn, f []bpf.RawInstruction) error {
return so.setAttachFilter(c, f)
}