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84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2019 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 cmd
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import (
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"net/http"
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"go.uber.org/atomic"
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)
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// RequestStats - counts for Get and Head requests
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type RequestStats struct {
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Get atomic.Uint64 `json:"Get"`
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Head atomic.Uint64 `json:"Head"`
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Put atomic.Uint64 `json:"Put"`
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Post atomic.Uint64 `json:"Post"`
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}
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// Metrics - represents bytes served from backend
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// only implemented for S3 Gateway
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type Metrics struct {
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bytesReceived atomic.Uint64
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bytesSent atomic.Uint64
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requestStats RequestStats
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}
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// IncBytesReceived - Increase total bytes received from gateway backend
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func (s *Metrics) IncBytesReceived(n uint64) {
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s.bytesReceived.Add(n)
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}
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// GetBytesReceived - Get total bytes received from gateway backend
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func (s *Metrics) GetBytesReceived() uint64 {
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return s.bytesReceived.Load()
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}
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// IncBytesSent - Increase total bytes sent to gateway backend
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func (s *Metrics) IncBytesSent(n uint64) {
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s.bytesSent.Add(n)
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}
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// GetBytesSent - Get total bytes received from gateway backend
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func (s *Metrics) GetBytesSent() uint64 {
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return s.bytesSent.Load()
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}
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// IncRequests - Increase request count sent to gateway backend by 1
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func (s *Metrics) IncRequests(method string) {
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// Only increment for Head & Get requests, else no op
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if method == http.MethodGet {
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s.requestStats.Get.Add(1)
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} else if method == http.MethodHead {
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s.requestStats.Head.Add(1)
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} else if method == http.MethodPut {
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s.requestStats.Put.Add(1)
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} else if method == http.MethodPost {
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s.requestStats.Post.Add(1)
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}
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}
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// GetRequests - Get total number of Get & Headrequests sent to gateway backend
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func (s *Metrics) GetRequests() RequestStats {
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return s.requestStats
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}
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// NewMetrics - Prepare new Metrics structure
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func NewMetrics() *Metrics {
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return &Metrics{}
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}
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