forked from TrueCloudLab/frostfs-s3-gw
65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
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/*
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* MinIO Cloud Storage, (C) 2019-2020 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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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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