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path: root/pkg/server/sockopt_darwin.go
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// Copyright (C) 2016-2017 Nippon Telegraph and Telephone Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build darwin

package server

import (
	"fmt"
	"net"
	"strings"
	"syscall"
)

func setTcpMD5SigSockopt(l *net.TCPListener, address string, key string) error {
	return fmt.Errorf("setting md5 is not supported")
}

func setTcpTTLSockopt(conn *net.TCPConn, ttl int) error {
	family := syscall.AF_INET
	if strings.Contains(conn.RemoteAddr().String(), "[") {
		family = syscall.AF_INET6
	}
	sc, err := conn.SyscallConn()
	if err != nil {
		return err
	}
	return setsockoptIpTtl(sc, family, ttl)
}

func setTcpMinTTLSockopt(conn *net.TCPConn, ttl int) error {
	return fmt.Errorf("setting min ttl is not supported")
}