98f53510b2
BUG=webrtc:5095 R=tommi@webrtc.org Review URL: https://codereview.webrtc.org/1413333002 . Cr-Commit-Position: refs/heads/master@{#10438}
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/test/histogram.h"
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#include <map>
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#include "webrtc/base/criticalsection.h"
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#include "webrtc/base/thread_annotations.h"
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#include "webrtc/system_wrappers/include/metrics.h"
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// Test implementation of histogram methods in
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// webrtc/system_wrappers/include/metrics.h.
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namespace webrtc {
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namespace {
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struct SampleInfo {
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SampleInfo(int sample)
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: last(sample), total(1) {}
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int last; // Last added sample.
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int total; // Total number of added samples.
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};
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rtc::CriticalSection histogram_crit_;
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// Map holding info about added samples to a histogram (mapped by the histogram
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// name).
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std::map<std::string, SampleInfo> histograms_ GUARDED_BY(histogram_crit_);
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} // namespace
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namespace metrics {
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Histogram* HistogramFactoryGetCounts(const std::string& name, int min, int max,
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int bucket_count) { return NULL; }
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Histogram* HistogramFactoryGetEnumeration(const std::string& name,
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int boundary) { return NULL; }
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void HistogramAdd(
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Histogram* histogram_pointer, const std::string& name, int sample) {
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rtc::CritScope cs(&histogram_crit_);
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auto it = histograms_.find(name);
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if (it == histograms_.end()) {
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histograms_.insert(std::make_pair(name, SampleInfo(sample)));
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return;
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}
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it->second.last = sample;
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++it->second.total;
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}
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} // namespace metrics
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namespace test {
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int LastHistogramSample(const std::string& name) {
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rtc::CritScope cs(&histogram_crit_);
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const auto it = histograms_.find(name);
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if (it == histograms_.end()) {
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return -1;
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}
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return it->second.last;
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}
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int NumHistogramSamples(const std::string& name) {
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rtc::CritScope cs(&histogram_crit_);
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const auto it = histograms_.find(name);
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if (it == histograms_.end()) {
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return 0;
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}
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return it->second.total;
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}
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void ClearHistograms() {
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rtc::CritScope cs(&histogram_crit_);
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histograms_.clear();
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}
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} // namespace test
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} // namespace webrtc
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