a34e279d0f
MetricsGroup split into 3 groups, session, engine, and crypto. MetricsFrontEnd and Report removed. This is a merge from wvgerrit/28420 Bug: 36217927 Test: Added unit tests to cover modified code. Change-Id: I2f39f99ce88cc2229d6d1aa9459c67c5b86ccef4
47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
// Copyright 2017 Google Inc. All Rights Reserved.
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//
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// This file contains the declarations for the Metric class and related
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// types.
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#ifndef WVCDM_METRICS_METRIC_SERIALIZATION_H_
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#define WVCDM_METRICS_METRIC_SERIALIZATION_H_
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namespace wvcdm {
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namespace metrics {
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// The MetricSerializer is implemented by the code that instantiates
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// MetricSerializable instances. The caller provides this MetricSerializer
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// instance to MetricSerializable::Serialize. In turn, Serialize will make a
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// call to Set* for each value to be Serialized. The MetricSerialiable
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// implementation may set zero or more values on the MetricSerializer.
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class MetricSerializer {
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public:
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virtual ~MetricSerializer() {};
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// The metric_id is the metric name, plus the metric part name, and the
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// metric field name/value string. E.g.
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// name: "drm/cdm/decrypt/duration"
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// part: "mean"
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// field name/value string: "{error_code:0&buffer_size:1024}"
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// becomes: "drm/cdm/decrypt/duration/mean/{error_code:0&buffer_size:1024}".
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virtual void SetString(const std::string& metric_id,
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const std::string& value) = 0;
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virtual void SetInt32(const std::string& metric_id, int32_t value) = 0;
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virtual void SetInt64(const std::string& metric_id, int64_t value) = 0;
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virtual void SetDouble(const std::string& metric_id, double value) = 0;
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};
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// This abstract class merely provides the definition for serializing the value
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// of the metric.
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class MetricSerializable {
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public:
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virtual ~MetricSerializable() { }
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// Serialize metric values to the MetricSerializer. |serializer| must
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// not be null and is owned by the caller.
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virtual void Serialize(MetricSerializer* serializer) = 0;
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};
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} // namespace metrics
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} // namespace wvcdm
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#endif // WVCDM_METRICS_METRIC_SERIALIZATION_H_
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