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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [net/] [sockoptip_openbsd.go] - Rev 760
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// Copyright 2011 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.
// IP-level socket options for OpenBSD
package net
import (
"os"
"syscall"
)
func ipv4MulticastInterface(fd *netFD) (*Interface, error) {
fd.incref()
defer fd.decref()
a, err := syscall.GetsockoptInet4Addr(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF)
if err != nil {
return nil, os.NewSyscallError("getsockopt", err)
}
return ipv4AddrToInterface(IPv4(a[0], a[1], a[2], a[3]))
}
func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error {
ip, err := interfaceToIPv4Addr(ifi)
if err != nil {
return os.NewSyscallError("setsockopt", err)
}
var x [4]byte
copy(x[:], ip.To4())
fd.incref()
defer fd.decref()
err = syscall.SetsockoptInet4Addr(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, x)
if err != nil {
return os.NewSyscallError("setsockopt", err)
}
return nil
}
func ipv4MulticastLoopback(fd *netFD) (bool, error) {
fd.incref()
defer fd.decref()
v, err := syscall.GetsockoptByte(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP)
if err != nil {
return false, os.NewSyscallError("getsockopt", err)
}
return v == 1, nil
}
func setIPv4MulticastLoopback(fd *netFD, v bool) error {
fd.incref()
defer fd.decref()
err := syscall.SetsockoptByte(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP, byte(boolint(v)))
if err != nil {
return os.NewSyscallError("setsockopt", err)
}
return nil
}
func ipv4ReceiveInterface(fd *netFD) (bool, error) {
fd.incref()
defer fd.decref()
v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_RECVIF)
if err != nil {
return false, os.NewSyscallError("getsockopt", err)
}
return v == 1, nil
}
func setIPv4ReceiveInterface(fd *netFD, v bool) error {
fd.incref()
defer fd.decref()
err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_RECVIF, boolint(v))
if err != nil {
return os.NewSyscallError("setsockopt", err)
}
return nil
}
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