32 lines
743 B
Go
32 lines
743 B
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// borrowed from golang/net/context/ctxhttp/cancelreq.go
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// Package httputil provides HTTP utility functions.
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package httputil
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import (
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"io"
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"io/ioutil"
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"net/http"
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)
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func RequestCanceler(rt http.RoundTripper, req *http.Request) func() {
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ch := make(chan struct{})
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req.Cancel = ch
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return func() {
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close(ch)
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}
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}
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// GracefulClose drains http.Response.Body until it hits EOF
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// and closes it. This prevents TCP/TLS connections from closing,
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// therefore available for reuse.
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func GracefulClose(resp *http.Response) {
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io.Copy(ioutil.Discard, resp.Body)
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resp.Body.Close()
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}
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