khenaidoo | 59ce9dd | 2019-11-11 13:05:32 -0500 | [diff] [blame] | 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 | |
| 15 | package transport |
| 16 | |
| 17 | import ( |
| 18 | "net" |
| 19 | "net/http" |
| 20 | "strings" |
| 21 | "time" |
| 22 | ) |
| 23 | |
| 24 | type unixTransport struct{ *http.Transport } |
| 25 | |
| 26 | func NewTransport(info TLSInfo, dialtimeoutd time.Duration) (*http.Transport, error) { |
| 27 | cfg, err := info.ClientConfig() |
| 28 | if err != nil { |
| 29 | return nil, err |
| 30 | } |
| 31 | |
| 32 | t := &http.Transport{ |
| 33 | Proxy: http.ProxyFromEnvironment, |
| 34 | Dial: (&net.Dialer{ |
| 35 | Timeout: dialtimeoutd, |
| 36 | // value taken from http.DefaultTransport |
| 37 | KeepAlive: 30 * time.Second, |
| 38 | }).Dial, |
| 39 | // value taken from http.DefaultTransport |
| 40 | TLSHandshakeTimeout: 10 * time.Second, |
| 41 | TLSClientConfig: cfg, |
| 42 | } |
| 43 | |
| 44 | dialer := (&net.Dialer{ |
| 45 | Timeout: dialtimeoutd, |
| 46 | KeepAlive: 30 * time.Second, |
| 47 | }) |
| 48 | dial := func(net, addr string) (net.Conn, error) { |
| 49 | return dialer.Dial("unix", addr) |
| 50 | } |
| 51 | |
| 52 | tu := &http.Transport{ |
| 53 | Proxy: http.ProxyFromEnvironment, |
| 54 | Dial: dial, |
| 55 | TLSHandshakeTimeout: 10 * time.Second, |
| 56 | TLSClientConfig: cfg, |
| 57 | } |
| 58 | ut := &unixTransport{tu} |
| 59 | |
| 60 | t.RegisterProtocol("unix", ut) |
| 61 | t.RegisterProtocol("unixs", ut) |
| 62 | |
| 63 | return t, nil |
| 64 | } |
| 65 | |
| 66 | func (urt *unixTransport) RoundTrip(req *http.Request) (*http.Response, error) { |
| 67 | url := *req.URL |
| 68 | req.URL = &url |
| 69 | req.URL.Scheme = strings.Replace(req.URL.Scheme, "unix", "http", 1) |
| 70 | return urt.Transport.RoundTrip(req) |
| 71 | } |