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103 lines
3.6 KiB
103 lines
3.6 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef DRM_METRICS_H_
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#define DRM_METRICS_H_
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#include <map>
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#include <android/hardware/drm/1.0/types.h>
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#include <android/hardware/drm/1.1/types.h>
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#include <android/hardware/drm/1.2/types.h>
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#include <binder/PersistableBundle.h>
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#include <media/CounterMetric.h>
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#include <media/EventMetric.h>
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#include <sys/types.h>
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namespace android {
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/**
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* This class contains the definition of metrics captured within MediaDrm.
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* It also contains a method for exporting all of the metrics to a
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* PersistableBundle.
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*/
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class MediaDrmMetrics {
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public:
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explicit MediaDrmMetrics();
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virtual ~MediaDrmMetrics() {};
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// Count of openSession calls.
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CounterMetric<status_t> mOpenSessionCounter;
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// Count of closeSession calls.
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CounterMetric<status_t> mCloseSessionCounter;
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// Count and timing of getKeyRequest calls.
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EventMetric<status_t> mGetKeyRequestTimeUs;
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// Count and timing of provideKeyResponse calls.
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EventMetric<status_t> mProvideKeyResponseTimeUs;
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// Count of getProvisionRequest calls.
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CounterMetric<status_t> mGetProvisionRequestCounter;
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// Count of provideProvisionResponse calls.
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CounterMetric<status_t> mProvideProvisionResponseCounter;
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// Count of key status events broken out by status type.
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CounterMetric<::android::hardware::drm::V1_2::KeyStatusType>
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mKeyStatusChangeCounter;
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// Count of events broken out by event type
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CounterMetric<::android::hardware::drm::V1_0::EventType> mEventCounter;
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// Count getPropertyByteArray calls to retrieve the device unique id.
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CounterMetric<status_t> mGetDeviceUniqueIdCounter;
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// Adds a session start time record.
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void SetSessionStart(const Vector<uint8_t>& sessionId);
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// Adds a session end time record.
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void SetSessionEnd(const Vector<uint8_t>& sessionId);
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// The app package name is the application package name that is using the
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// instance. The app package name is held here for convenience. It is not
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// serialized or exported with the metrics.
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void SetAppPackageName(const String8& appPackageName) { mAppPackageName = appPackageName; }
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const String8& GetAppPackageName() { return mAppPackageName; }
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void SetAppUid(uid_t appUid) { mAppUid = appUid; }
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uid_t GetAppUid() const { return mAppUid; }
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// Get the serialized metrics. Metrics are formatted as a serialized
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// DrmFrameworkMetrics proto. If there is a failure serializing the metrics,
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// this returns an error. The parameter |serlializedMetrics| is owned by the
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// caller and must not be null.
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status_t GetSerializedMetrics(std::string* serializedMetrics);
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// Get copy of session lifetimes.
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std::map<std::string, std::pair<int64_t, int64_t>> GetSessionLifespans() const;
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protected:
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// This is visible for testing only.
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virtual int64_t GetCurrentTimeMs();
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private:
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// Session lifetimes. A pair of values representing the milliseconds since
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// epoch, UTC. The first value is the start time, the second is the end time.
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std::map<std::string, std::pair<int64_t, int64_t>> mSessionLifespans;
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String8 mAppPackageName;
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uid_t mAppUid{~0u};
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};
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} // namespace android
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#endif // DRM_METRICS_H_
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