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44 lines
1.6 KiB
Go
44 lines
1.6 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package http
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import (
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"io"
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"io/ioutil"
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)
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// DrainBody close non nil response with any response Body.
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// convenient wrapper to drain any remaining data on response body.
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//
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// Subsequently this allows golang http RoundTripper
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// to re-use the same connection for future requests.
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func DrainBody(respBody io.ReadCloser) {
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// Callers should close resp.Body when done reading from it.
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// If resp.Body is not closed, the Client's underlying RoundTripper
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// (typically Transport) may not be able to re-use a persistent TCP
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// connection to the server for a subsequent "keep-alive" request.
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if respBody != nil {
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// Drain any remaining Body and then close the connection.
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// Without this closing connection would disallow re-using
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// the same connection for future uses.
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// - http://stackoverflow.com/a/17961593/4465767
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defer respBody.Close()
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io.Copy(ioutil.Discard, respBody)
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}
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}
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