e176b20509
Test: unit tests Test: Google TV and Netflix Test: atest GtsMediaTestCases Bug: 216527109 Change-Id: I3fd02c2c60da588dba3db27cea3593de25a7180f
109 lines
3.8 KiB
C++
109 lines
3.8 KiB
C++
//
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// Copyright 2021 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine License
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// Agreement.
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//
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#ifndef WV_METRICS_ADAPTER_H_
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#define WV_METRICS_ADAPTER_H_
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#include <aidl/android/hardware/drm/DrmMetricGroup.h>
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#include <vector>
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#include "wv_metrics.pb.h"
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namespace wvcdm {
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class WvMetricsAdapter;
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// This class is used to convert from the metrics.proto format for metrics
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// to the format specified in the aidl.android.hardware.drm DrmMetricGroup
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// type. This class converts the common metric types into a single group.
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//
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// Example:
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// drm_metrics::DistributionMetric distribution;
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// distribution.set_operation_count(1);
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// WvMetricsGroupBuilder builder;
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// builder.AddDistributions("test distribution", { distribution });
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//
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// DrmMetricGroup group = builder.Build();
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class WvMetricsGroupBuilder {
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public:
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// Adds a group of distributions with the given base name.
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void AddDistributions(
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const std::string& name,
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const google::protobuf::RepeatedPtrField<drm_metrics::DistributionMetric>&
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distributions);
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// Adds a group of counter metrics with the given base name.
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void AddCounters(
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const std::string& name,
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const google::protobuf::RepeatedPtrField<drm_metrics::CounterMetric>&
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counters);
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// Adds a value metric.
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void AddValue(const std::string& name,
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const drm_metrics::ValueMetric& value_or_error);
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// Builds the metric group containing all of the previously added metrics.
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::aidl::android::hardware::drm::DrmMetricGroup Build();
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private:
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friend class WvMetricsAdapter;
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std::vector<::aidl::android::hardware::drm::DrmMetric> metrics_;
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WvMetricsGroupBuilder();
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// Adds a distribution with the given name and distribution values.
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void AddDistribution(const std::string& name,
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const drm_metrics::DistributionMetric& distribution);
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// Adds a counter metric
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void AddCounter(const std::string& name,
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const drm_metrics::CounterMetric& counter);
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void AddAttributes(
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const drm_metrics::Attributes& attributes_proto,
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std::vector<::aidl::android::hardware::drm::DrmMetricNamedValue>*
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attributes);
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};
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// This class handles adding the engine and session metric collections. This
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// will generate one DrmMetricGroup for each EngineMetric added and one for
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// each SessionMetric added. This class also supports a static utility method to
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// convert a WvCdmMetrics proto to a vector of DrmMetricGroup instances.
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class WvMetricsAdapter {
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public:
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// Utility method to quickly convert a WvCdmMetrics proto to a DrmMetricGroup
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// vector.
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static void ToWvMetrics(
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const drm_metrics::WvCdmMetrics& proto_metrics,
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std::vector<::aidl::android::hardware::drm::DrmMetricGroup>* wv_metrics);
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WvMetricsAdapter();
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~WvMetricsAdapter();
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// Adds the EngineMetrics instance to the Adapter. It will be converted and
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// stored. The converted metrics can be fetched via GetWvGroupVector.
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void AddEngineMetrics(
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const drm_metrics::WvCdmMetrics::EngineMetrics& proto_metrics);
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// Adds the SessionMetrics instance to the Adapter. It will be converted and
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// stored. The converted metrics can be fetched via GetWvGroupVector.
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void AddSessionMetrics(
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const drm_metrics::WvCdmMetrics::SessionMetrics& proto_metrics);
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// Returns the converted DrmMetricGroup vector containing all of the
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// previously added engine and session metrics collections.
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const std::vector<::aidl::android::hardware::drm::DrmMetricGroup>
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GetWvGroupVector();
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private:
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void AddCryptoMetrics(
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const drm_metrics::WvCdmMetrics::CryptoMetrics& proto_metrics,
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WvMetricsGroupBuilder* group_builder);
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std::vector<::aidl::android::hardware::drm::DrmMetricGroup> group_vector_;
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};
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} // namespace wvcdm
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#endif // WV_METRICS_ADAPTER_H_
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