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