etcd/pkg/httputil/cancelreq_go14.go
Yicheng Qin fc95ec0cc6 rafthttp: always cancel in-flight request when stop streamReader
This problem is totally fixed at 1.5.

go1.5 adds a Request.Cancel channel, which allows for "race free"
cancellation
(8b4278ffb7).
Our implementation relies on it to always cancel in-flight request.
2015-08-25 08:54:13 -07:00

26 lines
527 B
Go

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// borrowed from golang/net/context/ctxhttp/cancelreq_go14.go
// +build !go1.5
package httputil
import "net/http"
type requestCanceler interface {
CancelRequest(req *http.Request)
}
func RequestCanceler(rt http.RoundTripper, req *http.Request) func() {
c, ok := rt.(requestCanceler)
if !ok {
return func() {}
}
return func() {
c.CancelRequest(req)
}
}