1// Copyright 2015 go-swagger maintainers
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 implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package swag
16
17import (
18	"net"
19	"strconv"
20)
21
22// SplitHostPort splits a network address into a host and a port.
23// The port is -1 when there is no port to be found
24func SplitHostPort(addr string) (host string, port int, err error) {
25	h, p, err := net.SplitHostPort(addr)
26	if err != nil {
27		return "", -1, err
28	}
29	if p == "" {
30		return "", -1, &net.AddrError{Err: "missing port in address", Addr: addr}
31	}
32
33	pi, err := strconv.Atoi(p)
34	if err != nil {
35		return "", -1, err
36	}
37	return h, pi, nil
38}
39