1// Copyright 2016 The etcd Authors
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 transport
16
17import (
18	"net"
19	"os"
20)
21
22type unixListener struct{ net.Listener }
23
24func NewUnixListener(addr string) (net.Listener, error) {
25	if err := os.Remove(addr); err != nil && !os.IsNotExist(err) {
26		return nil, err
27	}
28	l, err := net.Listen("unix", addr)
29	if err != nil {
30		return nil, err
31	}
32	return &unixListener{l}, nil
33}
34
35func (ul *unixListener) Close() error {
36	if err := os.Remove(ul.Addr().String()); err != nil && !os.IsNotExist(err) {
37		return err
38	}
39	return ul.Listener.Close()
40}
41