Index: webrtc/base/histogram.h |
diff --git a/webrtc/base/histogram.h b/webrtc/base/histogram.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6eda37704e3f5c507825065cc8a8b00f9c882c7b |
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+++ b/webrtc/base/histogram.h |
@@ -0,0 +1,83 @@ |
+/* |
+ * Copyright (c) 2017 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. |
+ */ |
+ |
+#ifndef WEBRTC_BASE_HISTOGRAM_H_ |
+#define WEBRTC_BASE_HISTOGRAM_H_ |
+ |
+namespace webrtc { |
+namespace metrics { |
+class Histogram; |
+} // namespace metrics |
+} // namespace webrtc |
+ |
+namespace rtc { |
+ |
+class HistogramBase { |
+ protected: |
+ enum class Type { kCounts, kCountsLinear, kEnumeration }; |
+ |
+ HistogramBase(const char* name, |
+ Type type, |
+ int min, |
+ int max, |
+ int bucket_count); |
+ |
+ HistogramBase(const char* name, Type type, int boundary); |
+ |
+ void AddSample(int sample) const; |
+ |
+ private: |
+ webrtc::metrics::Histogram* histogram_; |
+}; |
+ |
+class Histogram : private HistogramBase { |
+ public: |
+ Histogram(const char* name, int max); |
+ Histogram(const char* name, int min, int max); |
+ Histogram(const char* name, int min, int max, int bucket_count); |
+ |
+ using HistogramBase::AddSample; |
+}; |
+ |
+class HistogramLinear : private HistogramBase { |
+ public: |
+ HistogramLinear(const char* name, int max); |
+ HistogramLinear(const char* name, int min, int max); |
+ HistogramLinear(const char* name, int min, int max, int bucket_count); |
+ |
+ using HistogramBase::AddSample; |
+}; |
+ |
+class HistogramEnumeration : private HistogramBase { |
+ public: |
+ HistogramEnumeration(const char* name, int boundary); |
+ void AddSample(int sample); |
+ |
+ private: |
+ int boundary_; |
+}; |
+ |
+class HistogramBoolean : private HistogramEnumeration { |
+ public: |
+ explicit HistogramBoolean(const char* name); |
+ |
+ void AddSample(bool sample); |
+}; |
+ |
+class HistogramPercentage : private HistogramEnumeration { |
+ public: |
+ explicit HistogramPercentage(const char* name); |
+ |
+ using HistogramEnumeration::AddSample; |
+}; |
+ |
+} // namespace rtc |
+ |
+#endif // WEBRTC_BASE_HISTOGRAM_H_ |