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Unified Diff: components/metrics/chromeos/metric_sample.h

Issue 394093003: Moves components/metrics/chromeos to c/m/serialization/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: added os=="linux" GYP guards Created 6 years, 5 months ago
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Index: components/metrics/chromeos/metric_sample.h
diff --git a/components/metrics/chromeos/metric_sample.h b/components/metrics/chromeos/metric_sample.h
deleted file mode 100644
index 06358e45502b556d7dc7e5dc7ff796a59a3d4aca..0000000000000000000000000000000000000000
--- a/components/metrics/chromeos/metric_sample.h
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright 2014 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.
-
-#ifndef COMPONENTS_METRICS_CHROMEOS_METRIC_SAMPLE_H_
-#define COMPONENTS_METRICS_CHROMEOS_METRIC_SAMPLE_H_
-
-#include <string>
-
-#include "base/gtest_prod_util.h"
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace metrics {
-
-// This class is used by libmetrics (ChromeOS) to serialize
-// and deserialize measurements to send them to a metrics sending service.
-// It is meant to be a simple container with serialization functions.
-class MetricSample {
- public:
- // Types of metric sample used.
- enum SampleType {
- CRASH,
- HISTOGRAM,
- LINEAR_HISTOGRAM,
- SPARSE_HISTOGRAM,
- USER_ACTION
- };
-
- ~MetricSample();
-
- // Returns true if the sample is valid (can be serialized without ambiguity).
- //
- // This function should be used to filter bad samples before serializing them.
- bool IsValid() const;
-
- // Getters for type and name. All types of metrics have these so we do not
- // need to check the type.
- SampleType type() const { return type_; }
- const std::string& name() const { return name_; }
-
- // Getters for sample, min, max, bucket_count.
- // Check the metric type to make sure the request make sense. (ex: a crash
- // sample does not have a bucket_count so we crash if we call bucket_count()
- // on it.)
- const int sample() const;
- const int min() const;
- const int max() const;
- const int bucket_count() const;
-
- // Returns a serialized version of the sample.
- //
- // The serialized message for each type is:
- // crash: crash\0|name_|\0
- // user action: useraction\0|name_|\0
- // histogram: histogram\0|name_| |sample_| |min_| |max_| |bucket_count_|\0
- // sparsehistogram: sparsehistogram\0|name_| |sample_|\0
- // linearhistogram: linearhistogram\0|name_| |sample_| |max_|\0
- std::string ToString() const;
-
- // Builds a crash sample.
- static scoped_ptr<MetricSample> CrashSample(const std::string& crash_name);
-
- // Builds a histogram sample.
- static scoped_ptr<MetricSample> HistogramSample(
- const std::string& histogram_name,
- int sample,
- int min,
- int max,
- int bucket_count);
- // Deserializes a histogram sample.
- static scoped_ptr<MetricSample> ParseHistogram(const std::string& serialized);
-
- // Builds a sparse histogram sample.
- static scoped_ptr<MetricSample> SparseHistogramSample(
- const std::string& histogram_name,
- int sample);
- // Deserializes a sparse histogram sample.
- static scoped_ptr<MetricSample> ParseSparseHistogram(
- const std::string& serialized);
-
- // Builds a linear histogram sample.
- static scoped_ptr<MetricSample> LinearHistogramSample(
- const std::string& histogram_name,
- int sample,
- int max);
- // Deserializes a linear histogram sample.
- static scoped_ptr<MetricSample> ParseLinearHistogram(
- const std::string& serialized);
-
- // Builds a user action sample.
- static scoped_ptr<MetricSample> UserActionSample(
- const std::string& action_name);
-
- // Returns true if sample and this object represent the same sample (type,
- // name, sample, min, max, bucket_count match).
- bool IsEqual(const MetricSample& sample);
-
- private:
- MetricSample(SampleType sample_type,
- const std::string& metric_name,
- const int sample,
- const int min,
- const int max,
- const int bucket_count);
-
- const SampleType type_;
- const std::string name_;
- const int sample_;
- const int min_;
- const int max_;
- const int bucket_count_;
-
- DISALLOW_COPY_AND_ASSIGN(MetricSample);
-};
-
-} // namespace metrics
-
-#endif // COMPONENTS_METRICS_CHROMEOS_METRIC_SAMPLE_H_
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