1 // Copyright 2012 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // Network service port manipulations 6 7 package net 8 9 // parsePort parses port as a network service port number for both 10 // TCP and UDP. 11 func parsePort(net, port string) (int, error) { 12 p, i, ok := dtoi(port, 0) 13 if !ok || i != len(port) { 14 var err error 15 p, err = LookupPort(net, port) 16 if err != nil { 17 return 0, err 18 } 19 } 20 if p < 0 || p > 0xFFFF { 21 return 0, &AddrError{Err: "invalid port", Addr: port} 22 } 23 return p, nil 24 } 25
