github.com/eagleql/xray-core@v1.4.4/transport/internet/tcp/sockopt_freebsd.go (about)

     1  // +build freebsd
     2  
     3  package tcp
     4  
     5  import (
     6  	"github.com/eagleql/xray-core/common/net"
     7  	"github.com/eagleql/xray-core/transport/internet"
     8  )
     9  
    10  // GetOriginalDestination from tcp conn
    11  func GetOriginalDestination(conn internet.Connection) (net.Destination, error) {
    12  	la := conn.LocalAddr()
    13  	ra := conn.RemoteAddr()
    14  	ip, port, err := internet.OriginalDst(la, ra)
    15  	if err != nil {
    16  		return net.Destination{}, newError("failed to get destination").Base(err)
    17  	}
    18  	dest := net.TCPDestination(net.IPAddress(ip), net.Port(port))
    19  	if !dest.IsValid() {
    20  		return net.Destination{}, newError("failed to parse destination.")
    21  	}
    22  	return dest, nil
    23  }