k3s/vendor/go.etcd.io/etcd/pkg/transport/transport.go

72 lines
1.8 KiB
Go

// Copyright 2016 The etcd Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package transport
import (
"net"
"net/http"
"strings"
"time"
)
type unixTransport struct{ *http.Transport }
func NewTransport(info TLSInfo, dialtimeoutd time.Duration) (*http.Transport, error) {
cfg, err := info.ClientConfig()
if err != nil {
return nil, err
}
t := &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: (&net.Dialer{
Timeout: dialtimeoutd,
// value taken from http.DefaultTransport
KeepAlive: 30 * time.Second,
}).Dial,
// value taken from http.DefaultTransport
TLSHandshakeTimeout: 10 * time.Second,
TLSClientConfig: cfg,
}
dialer := (&net.Dialer{
Timeout: dialtimeoutd,
KeepAlive: 30 * time.Second,
})
dial := func(net, addr string) (net.Conn, error) {
return dialer.Dial("unix", addr)
}
tu := &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: dial,
TLSHandshakeTimeout: 10 * time.Second,
TLSClientConfig: cfg,
}
ut := &unixTransport{tu}
t.RegisterProtocol("unix", ut)
t.RegisterProtocol("unixs", ut)
return t, nil
}
func (urt *unixTransport) RoundTrip(req *http.Request) (*http.Response, error) {
url := *req.URL
req.URL = &url
req.URL.Scheme = strings.Replace(req.URL.Scheme, "unix", "http", 1)
return urt.Transport.RoundTrip(req)
}