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66 lines
1.9 KiB
Go
66 lines
1.9 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 stats
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import (
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"io"
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"net/http"
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)
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// IncomingTrafficMeter counts the incoming bytes from the underlying request.Body.
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type IncomingTrafficMeter struct {
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io.ReadCloser
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countBytes int
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}
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// Read calls the underlying Read and counts the transferred bytes.
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func (r *IncomingTrafficMeter) Read(p []byte) (n int, err error) {
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n, err = r.ReadCloser.Read(p)
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r.countBytes += n
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return n, err
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}
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// BytesCount returns the number of transferred bytes
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func (r IncomingTrafficMeter) BytesCount() int {
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return r.countBytes
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}
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// OutgoingTrafficMeter counts the outgoing bytes through the responseWriter.
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type OutgoingTrafficMeter struct {
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// wrapper for underlying http.ResponseWriter.
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http.ResponseWriter
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countBytes int
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}
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// Write calls the underlying write and counts the output bytes
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func (w *OutgoingTrafficMeter) Write(p []byte) (n int, err error) {
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n, err = w.ResponseWriter.Write(p)
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w.countBytes += n
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return n, err
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}
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// Flush calls the underlying Flush.
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func (w *OutgoingTrafficMeter) Flush() {
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w.ResponseWriter.(http.Flusher).Flush()
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}
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// BytesCount returns the number of transferred bytes
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func (w OutgoingTrafficMeter) BytesCount() int {
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return w.countBytes
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}
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