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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/metrics/histogram.h"
#include "base/metrics/sparse_histogram.h"
namespace webrtc {
// Define webrtc::metrics functions to provide webrtc with implementations.
namespace metrics {
// This class doesn't actually exist, so don't go looking for it :)
// This type is just fwd declared here in order to use it as an opaque type
// between the Histogram functions in this file.
class Histogram;
Histogram* HistogramFactoryGetCounts(
const std::string& name, int min, int max, int bucket_count) {
return reinterpret_cast<Histogram*>(
base::Histogram::FactoryGet(name, min, max, bucket_count,
base::HistogramBase::kUmaTargetedHistogramFlag));
}
Histogram* HistogramFactoryGetCountsLinear(
const std::string& name, int min, int max, int bucket_count) {
return reinterpret_cast<Histogram*>(
base::LinearHistogram::FactoryGet(name, min, max, bucket_count,
base::HistogramBase::kUmaTargetedHistogramFlag));
}
Histogram* HistogramFactoryGetEnumeration(
const std::string& name, int boundary) {
return reinterpret_cast<Histogram*>(
base::LinearHistogram::FactoryGet(name, 1, boundary, boundary + 1,
base::HistogramBase::kUmaTargetedHistogramFlag));
}
Histogram* SparseHistogramFactoryGetEnumeration(const std::string& name,
int boundary) {
return reinterpret_cast<Histogram*>(base::SparseHistogram::FactoryGet(
name, base::HistogramBase::kUmaTargetedHistogramFlag));
}
const char* GetHistogramName(Histogram* histogram_pointer) {
base::HistogramBase* ptr =
reinterpret_cast<base::HistogramBase*>(histogram_pointer);
return ptr->histogram_name();
}
void HistogramAdd(Histogram* histogram_pointer, int sample) {
base::HistogramBase* ptr =
reinterpret_cast<base::HistogramBase*>(histogram_pointer);
ptr->Add(sample);
}
} // namespace metrics
} // namespace webrtc
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