ec8bed38f4
[ Merge of http://go/wvgerrit/108084 ] The Widevine License Agreement has been renamed to use inclusive language. This covers files in the android directory. Bug: 168562298 Test: verified compilation (comment only change) Change-Id: I0f9e6445e0168ebe85425baeb81371e182e5a39c
114 lines
4.0 KiB
C++
114 lines
4.0 KiB
C++
//
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// Copyright 2018 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 CDM_HIDL_METRICS_ADAPTER_H_
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#define CDM_HIDL_METRICS_ADAPTER_H_
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#include <vector>
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#include <android/hardware/drm/1.1/types.h>
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#include "wv_metrics.pb.h"
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namespace wvcdm {
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// Convenience alias. Used only in the declaration of HidlMetricsGroup.
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namespace internal {
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using DrmMetricGroup = android::hardware::drm::V1_1::DrmMetricGroup;
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} // namespace internal
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class HidlMetricsAdapter;
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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 android.hardware.drm@1.1 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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// HidlMetricsGroupBuilder 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 HidlMetricsGroupBuilder {
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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<
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drm_metrics::DistributionMetric>& 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<
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drm_metrics::CounterMetric>& 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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internal::DrmMetricGroup Build();
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private:
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friend class HidlMetricsAdapter;
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std::vector<internal::DrmMetricGroup::Metric> metrics_;
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HidlMetricsGroupBuilder();
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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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::android::hardware::hidl_vec<internal::DrmMetricGroup::Attribute>*
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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 HidlMetricsAdapter {
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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 ToHidlMetrics(
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const drm_metrics::WvCdmMetrics& proto_metrics,
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android::hardware::hidl_vec<internal::DrmMetricGroup>* hidl_metrics);
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HidlMetricsAdapter();
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~HidlMetricsAdapter();
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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 GetHidlGroupVector.
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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 GetHidlGroupVector.
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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 android::hardware::hidl_vec<internal::DrmMetricGroup>
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GetHidlGroupVector();
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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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HidlMetricsGroupBuilder* group_builder);
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std::vector<internal::DrmMetricGroup> group_vector_;
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};
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} // namespace wvcdm
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#endif // CDM_HIDL_METRICS_ADAPTER_H_
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