mirror of
https://github.com/cloudnativelabs/kube-router.git
synced 2025-10-08 00:11:07 +02:00
65 lines
1.7 KiB
Go
65 lines
1.7 KiB
Go
// Copyright (C) 2016-2017 Nippon Telegraph and Telephone Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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// implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build darwin
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package server
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import (
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"fmt"
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"net"
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"os"
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"syscall"
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)
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func setTcpMD5SigSockopt(l *net.TCPListener, address string, key string) error {
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return fmt.Errorf("setting md5 is not supported")
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}
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func setsockoptIpTtl(fd int, family int, value int) error {
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level := syscall.IPPROTO_IP
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name := syscall.IP_TTL
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if family == syscall.AF_INET6 {
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level = syscall.IPPROTO_IPV6
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name = syscall.IPV6_UNICAST_HOPS
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}
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return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd, level, name, value))
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}
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func setListenTcpTTLSockopt(l *net.TCPListener, ttl int) error {
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fi, family, err := extractFileAndFamilyFromTCPListener(l)
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if err != nil {
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return err
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}
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defer fi.Close()
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return setsockoptIpTtl(int(fi.Fd()), family, ttl)
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}
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func setTcpTTLSockopt(conn *net.TCPConn, ttl int) error {
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fi, family, err := extractFileAndFamilyFromTCPConn(conn)
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if err != nil {
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return err
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}
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defer fi.Close()
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return setsockoptIpTtl(int(fi.Fd()), family, ttl)
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}
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func setTcpMinTTLSockopt(conn *net.TCPConn, ttl int) error {
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return fmt.Errorf("setting min ttl is not supported")
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}
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