github.com/osrg/gobgp/v3@v3.30.0/pkg/server/sockopt_darwin.go (about)

     1  // Copyright (C) 2016-2017 Nippon Telegraph and Telephone Corporation.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //    http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
    12  // implied.
    13  // See the License for the specific language governing permissions and
    14  // limitations under the License.
    15  //go:build darwin
    16  // +build darwin
    17  
    18  package server
    19  
    20  import (
    21  	"fmt"
    22  	"net"
    23  	"strings"
    24  	"syscall"
    25  )
    26  
    27  func setTcpMD5SigSockopt(l *net.TCPListener, address string, key string) error {
    28  	return fmt.Errorf("setting md5 is not supported")
    29  }
    30  
    31  func setTcpTTLSockopt(conn *net.TCPConn, ttl int) error {
    32  	family := syscall.AF_INET
    33  	if strings.Contains(conn.RemoteAddr().String(), "[") {
    34  		family = syscall.AF_INET6
    35  	}
    36  	sc, err := conn.SyscallConn()
    37  	if err != nil {
    38  		return err
    39  	}
    40  	return setsockoptIpTtl(sc, family, ttl)
    41  }
    42  
    43  func setTcpMinTTLSockopt(conn *net.TCPConn, ttl int) error {
    44  	return fmt.Errorf("setting min ttl is not supported")
    45  }
    46  
    47  func setTcpMSSSockopt(conn *net.TCPConn, mss uint16) error {
    48  	family := extractFamilyFromTCPConn(conn)
    49  	sc, err := conn.SyscallConn()
    50  	if err != nil {
    51  		return err
    52  	}
    53  	return setsockoptTcpMss(sc, family, mss)
    54  }