Files
ce_cdm/metrics/include/metrics_collections.h
2020-10-09 16:08:56 -07:00

501 lines
22 KiB
C++

// Copyright 2016 Google Inc. All Rights Reserved.
//
// This file contains definitions for metrics being collected throughout the
// CDM.
#ifndef WVCDM_METRICS_METRICS_GROUP_H_
#define WVCDM_METRICS_METRICS_GROUP_H_
#include <stddef.h>
#include <stdint.h>
#include <mutex>
#include <ostream>
#include "OEMCryptoCENC.h"
#include "counter_metric.h"
#include "event_metric.h"
#include "timer_metric.h"
#include "value_metric.h"
#include "wv_cdm_types.h"
#include "wv_metrics.pb.h"
// This definition indicates that a given metric does not need timing
// stats. Example:
//
// M_RECORD(my_metrics, my_metric_name, NO_TIME);
#define NO_TIME 0
// Used to record metric timing and additional information about a specific
// event. Assumes that a microsecond timing has been provided. Example:
//
// long total_time = 0;
// long error_code = TimeSomeOperation(&total_time);
// M_RECORD(my_metrics, my_metric_name, total_time, error_code);
#define M_RECORD(GROUP, METRIC, TIME, ...) \
if (GROUP) { \
(GROUP)->METRIC.Record(TIME, ##__VA_ARGS__); \
}
// This definition automatically times an operation and records the time and
// additional information such as error code to the provided metric.
// Example:
//
// OEMCryptoResult sts;
// M_TIME(
// sts = OEMCrypto_Initialize(),
// my_metrics_collection,
// oemcrypto_initialize_,
// sts);
#define M_TIME(CALL, GROUP, METRIC, ...) \
if (GROUP) { \
wvcdm::metrics::TimerMetric timer; \
timer.Start(); \
CALL; \
(GROUP)->METRIC.Record(timer.AsUs(), ##__VA_ARGS__); \
} else { \
CALL; \
}
namespace wvcdm {
namespace metrics {
namespace {
// Short name definitions to ease AttributeHandler definitions.
// Internal namespace to help simplify declarations.
const int kErrorCodeFieldNumber =
::drm_metrics::Attributes::kErrorCodeFieldNumber;
const int kErrorCodeBoolFieldNumber =
::drm_metrics::Attributes::kErrorCodeBoolFieldNumber;
const int kErrorDetailFieldNumber =
::drm_metrics::Attributes::kErrorDetailFieldNumber;
const int kCdmSecurityLevelFieldNumber =
::drm_metrics::Attributes::kCdmSecurityLevelFieldNumber;
const int kSecurityLevelFieldNumber =
::drm_metrics::Attributes::kSecurityLevelFieldNumber;
const int kLengthFieldNumber =
::drm_metrics::Attributes::kLengthFieldNumber;
const int kEncryptAlgorithmFieldNumber =
::drm_metrics::Attributes::kEncryptionAlgorithmFieldNumber;
const int kSigningAlgorithmFieldNumber =
::drm_metrics::Attributes::kSigningAlgorithmFieldNumber;
const int kOemCryptoResultFieldNumber =
::drm_metrics::Attributes::kOemCryptoResultFieldNumber;
const int kKeyStatusTypeFieldNumber =
::drm_metrics::Attributes::kKeyStatusTypeFieldNumber;
const int kEventTypeFieldNumber =
::drm_metrics::Attributes::kEventTypeFieldNumber;
const int kKeyRequestTypeFieldNumber =
::drm_metrics::Attributes::kKeyRequestTypeFieldNumber;
const int kLicenseTypeFieldNumber =
::drm_metrics::Attributes::kLicenseTypeFieldNumber;
} // anonymous namespace
// The maximum number of completed sessions that can be stored. More than this
// will cause some metrics to be discarded.
const int kMaxCompletedSessions = 40;
// This enum defines the conditions encountered during OEMCrypto Initialization
// in oemcrypto_adapter_dynamic.
typedef enum OEMCryptoInitializationMode {
OEMCrypto_INITIALIZED_USING_IN_APP = 0,
OEMCrypto_INITIALIZED_FORCING_L3 = 1,
OEMCrypto_INITIALIZED_USING_L3_NO_L1_LIBRARY_PATH = 2,
OEMCrypto_INITIALIZED_USING_L3_L1_OPEN_FAILED = 3,
OEMCrypto_INITIALIZED_USING_L3_L1_LOAD_FAILED = 4,
OEMCrypto_INITIALIZED_USING_L3_COULD_NOT_INITIALIZE_L1 = 5,
OEMCrypto_INITIALIZED_USING_L3_WRONG_L1_VERSION = 6,
OEMCrypto_INITIALIZED_USING_L1_WITH_KEYBOX = 7,
OEMCrypto_INITIALIZED_USING_L1_WITH_CERTIFICATE = 8,
OEMCrypto_INITIALIZED_USING_L1_CERTIFICATE_MIX = 9,
OEMCrypto_INITIALIZED_USING_L3_BAD_KEYBOX = 10,
OEMCrypto_INITIALIZED_USING_L3_COULD_NOT_OPEN_FACTORY_KEYBOX = 11,
OEMCrypto_INITIALIZED_USING_L3_COULD_NOT_INSTALL_KEYBOX = 12,
OEMCrypto_INITIALIZED_USING_L1_INSTALLED_KEYBOX = 13,
OEMCrypto_INITIALIZED_USING_L3_INVALID_L1 = 14,
OEMCrypto_INITIALIZED_USING_L1_WITH_PROVISIONING_3_0 = 15,
OEMCrypto_INITIALIZED_L3_INITIALIZATION_FAILED = 16,
OEMCrypto_INITIALIZED_L3_RNG_FAILED = 17,
OEMCrypto_INITIALIZED_L3_SAVE_DEVICE_KEYS_FAILED = 18,
OEMCrypto_INITIALIZED_L3_READ_DEVICE_KEYS_FAILED = 19,
OEMCrypto_INITIALIZED_L3_VERIFY_DEVICE_KEYS_FAILED = 20,
} OEMCryptoInitializationMode;
// This class contains metrics for Crypto Session and OEM Crypto.
class CryptoMetrics {
public:
void Serialize(drm_metrics::WvCdmMetrics::CryptoMetrics *crypto_metrics)
const;
/* CRYPTO SESSION */
// TODO(blueeyes): Convert this to crypto_session_default_security_level_.
ValueMetric<CdmSecurityLevel> crypto_session_security_level_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
crypto_session_delete_all_usage_reports_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
crypto_session_delete_multiple_usage_information_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType, kLengthFieldNumber,
Pow2Bucket, kEncryptAlgorithmFieldNumber, CdmEncryptionAlgorithm>
crypto_session_generic_decrypt_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType, kLengthFieldNumber,
Pow2Bucket, kEncryptAlgorithmFieldNumber, CdmEncryptionAlgorithm>
crypto_session_generic_encrypt_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType, kLengthFieldNumber,
Pow2Bucket, kSigningAlgorithmFieldNumber, CdmSigningAlgorithm>
crypto_session_generic_sign_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType, kLengthFieldNumber,
Pow2Bucket, kSigningAlgorithmFieldNumber, CdmSigningAlgorithm>
crypto_session_generic_verify_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
crypto_session_get_device_unique_id_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
crypto_session_get_token_;
ValueMetric<double> crypto_session_life_span_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType>
crypto_session_load_certificate_private_key_;
// This uses the requested security level.
EventMetric<kErrorCodeFieldNumber, CdmResponseType, kSecurityLevelFieldNumber,
SecurityLevel>
crypto_session_open_;
ValueMetric<uint32_t> crypto_session_system_id_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType>
crypto_session_update_usage_information_;
ValueMetric<bool> crypto_session_usage_information_support_;
/* UsageTableHeader */
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
usage_table_header_add_entry_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
usage_table_header_delete_entry_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
usage_table_header_load_entry_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType>
usage_table_header_update_entry_;
ValueMetric<size_t> usage_table_header_initial_size_;
/* UsageTableHeader - LRU */
ValueMetric<size_t> usage_table_header_lru_usage_info_count_;
ValueMetric<size_t> usage_table_header_lru_offline_license_count_;
ValueMetric<int64_t> usage_table_header_lru_evicted_entry_staleness_;
ValueMetric<int> usage_table_header_lru_evicted_entry_type_;
/* OEMCRYPTO */
ValueMetric<uint32_t> oemcrypto_api_version_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_close_session_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult, kLengthFieldNumber,
Pow2Bucket>
oemcrypto_copy_buffer_;
ValueMetric<OEMCrypto_HDCP_Capability> oemcrypto_current_hdcp_capability_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_deactivate_usage_entry_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult, kLengthFieldNumber,
Pow2Bucket>
oemcrypto_decrypt_cenc_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_delete_usage_entry_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_delete_usage_table_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_derive_keys_from_session_key_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_force_delete_usage_entry_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_generate_derived_keys_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_generate_nonce_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult, kLengthFieldNumber,
Pow2Bucket>
oemcrypto_generate_rsa_signature_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult, kLengthFieldNumber,
Pow2Bucket>
oemcrypto_generate_signature_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult, kLengthFieldNumber,
Pow2Bucket>
oemcrypto_generic_decrypt_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult, kLengthFieldNumber,
Pow2Bucket>
oemcrypto_generic_encrypt_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult, kLengthFieldNumber,
Pow2Bucket>
oemcrypto_generic_sign_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult, kLengthFieldNumber,
Pow2Bucket>
oemcrypto_generic_verify_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_get_device_id_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult, kLengthFieldNumber,
Pow2Bucket>
oemcrypto_get_key_data_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_get_oem_public_certificate_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_get_random_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_initialize_;
ValueMetric<bool> oemcrypto_is_anti_rollback_hw_present_;
ValueMetric<bool> oemcrypto_is_keybox_valid_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_load_device_rsa_key_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_load_entitled_keys_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_load_keys_;
ValueMetric<OEMCrypto_HDCP_Capability> oemcrypto_max_hdcp_capability_;
ValueMetric<size_t> oemcrypto_max_number_of_sessions_;
ValueMetric<size_t> oemcrypto_number_of_open_sessions_;
ValueMetric<OEMCrypto_ProvisioningMethod> oemcrypto_provisioning_method_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_refresh_keys_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_report_usage_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_rewrap_device_rsa_key_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_rewrap_device_rsa_key_30_;
ValueMetric<uint16_t> oemcrypto_security_patch_level_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_select_key_;
ValueMetric<CdmUsageSupportType> oemcrypto_usage_table_support_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_update_usage_table_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_update_usage_entry_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_create_usage_table_header_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_load_usage_table_header_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_shrink_usage_table_header_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_create_new_usage_entry_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_load_usage_entry_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_move_entry_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_create_old_usage_entry_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_copy_old_usage_entry_;
ValueMetric<std::string> oemcrypto_set_sandbox_;
CounterMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_set_decrypt_hash_;
ValueMetric<uint32_t> oemcrypto_resource_rating_tier_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_prep_and_sign_license_request_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_prep_and_sign_renewal_request_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_prep_and_sign_provisioning_request_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_load_license_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_load_renewal_;
EventMetric<kOemCryptoResultFieldNumber, OEMCryptoResult>
oemcrypto_load_provisioning_;
ValueMetric<uint32_t> oemcrypto_minor_api_version_;
ValueMetric<uint32_t> oemcrypto_maximum_usage_table_header_size_;
};
// This class contains session-scoped metrics. All properties and
// statistics related to operations within a single session are
// recorded here.
class SessionMetrics {
public:
SessionMetrics();
// Sets the session id of the metrics group. This allows the session
// id to be captured and reported as part of the collection of metrics.
void SetSessionId(const CdmSessionId &session_id) {
session_id_ = session_id;
}
// Returns the session id or an empty session id if it has not been set.
const CdmSessionId &GetSessionId() const { return session_id_; }
// Marks the metrics object as completed and ready for serialization.
void SetCompleted() { completed_ = true; }
// Returns true if the object is completed. This is used to determine
// when the stats are ready to be published.
bool IsCompleted() const { return completed_; }
// Returns a pointer to the crypto metrics belonging to the engine instance.
// This instance retains ownership of the object.
CryptoMetrics *GetCryptoMetrics() { return &crypto_metrics_; }
// Metrics collected at the session level.
ValueMetric<double> cdm_session_life_span_; // Milliseconds.
EventMetric<kErrorCodeFieldNumber, CdmResponseType> cdm_session_renew_key_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType,
kErrorDetailFieldNumber, int32_t>
cdm_session_restore_offline_session_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType,
kErrorDetailFieldNumber, int32_t>
cdm_session_restore_usage_session_;
EventMetric<kKeyRequestTypeFieldNumber, CdmKeyRequestType>
cdm_session_license_request_latency_ms_;
ValueMetric<std::string> oemcrypto_build_info_;
ValueMetric<std::string> license_sdk_version_;
ValueMetric<std::string> license_service_version_;
// Serialize the session metrics to the provided |metric_group|.
// |metric_group| is owned by the caller and must not be null.
void Serialize(drm_metrics::WvCdmMetrics::SessionMetrics *session_metrics)
const;
private:
void SerializeSessionMetrics(
drm_metrics::WvCdmMetrics::SessionMetrics *session_metrics) const;
CdmSessionId session_id_;
bool completed_;
CryptoMetrics crypto_metrics_;
};
// This class contains metrics for the OEMCrypto Dynamic Adapter. They are
// separated from other metrics because they need to be encapsulated in a
// singleton object. This is because the dynamic adapter uses the OEMCrypto
// function signatures and contract and cannot be extended to inject
// dependencies.
//
// Operations for this metrics class are serialized since these particular
// metrics may be accessed by a separate thread during intialize even as
// the metric may be serialized.
class OemCryptoDynamicAdapterMetrics {
public:
explicit OemCryptoDynamicAdapterMetrics();
// Set methods for OEMCrypto metrics.
void SetInitializationMode(OEMCryptoInitializationMode mode);
void SetLevel3InitializationError(OEMCryptoInitializationMode mode);
void SetPreviousInitializationFailure(OEMCryptoInitializationMode mode);
void SetL1ApiVersion(uint32_t version);
void SetL1MinApiVersion(uint32_t version);
// Serialize the session metrics to the provided |metric_group|.
// |metric_group| is owned by the caller and must not be null.
void Serialize(drm_metrics::WvCdmMetrics::EngineMetrics *engine_metrics)
const;
// Clears the existing metric values.
void Clear();
private:
mutable std::mutex adapter_lock_;
ValueMetric<OEMCryptoInitializationMode>
level3_oemcrypto_initialization_error_;
ValueMetric<OEMCryptoInitializationMode> oemcrypto_initialization_mode_;
ValueMetric<OEMCryptoInitializationMode>
previous_oemcrypto_initialization_failure_;
ValueMetric<uint32_t> oemcrypto_l1_api_version_;
ValueMetric<uint32_t> oemcrypto_l1_min_api_version_;
};
// This will fetch the singleton instance for dynamic adapter metrics.
// This method is safe only if we use C++ 11. In C++ 11, static function-local
// initialization is guaranteed to be threadsafe. We return the reference to
// avoid non-guaranteed destructor order problems. Effectively, the destructor
// is never run for the created instance.
OemCryptoDynamicAdapterMetrics &GetDynamicAdapterMetricsInstance();
// This class contains engine-scoped metrics. All properties and
// statistics related to operations within the engine, but outside
// the scope of a session are recorded here.
class EngineMetrics {
public:
EngineMetrics();
~EngineMetrics();
// Add a new SessionMetrics instance and return a pointer to the caller.
// A shared_ptr is used since it's possible that the SessionMetrics instance
// may be in use after the EngineMetrics instance is closed. The EngineMetrics
// instance will hold a shared_ptr reference to the SessionMetrics instance
// until RemoveSession is called, the EngineMetrics instance is deleted, or
// the SessionMetrics instance is marked as completed and ConsolidateSessions
// removes it.
std::shared_ptr<SessionMetrics> AddSession();
// Removes the metrics object for the given session id. This should only
// be called when the SessionMetrics instance is no longer in use.
void RemoveSession(CdmSessionId session_id);
// Looks for session metrics that have been marked as completed. These metrics
// may be merged or discarded if there are too many completed session metric
// instances.
void ConsolidateSessions();
// Returns a pointer to the crypto metrics belonging to the engine instance.
// The CryptoMetrics instance is still owned by this object and will exist
// until this object is deleted.
CryptoMetrics *GetCryptoMetrics() { return &crypto_metrics_; }
// Serialize engine and session metrics into a serialized WvCdmMetrics
// instance and output that instance to the provided |engine_metrics|.
// |engine_metrics| is owned by the caller and must NOT be null.
void Serialize(drm_metrics::WvCdmMetrics *engine_metrics) const;
void SetAppPackageName(const std::string &app_package_name);
// Metrics recorded at the engine level.
EventMetric<kErrorCodeFieldNumber, CdmResponseType,
kLicenseTypeFieldNumber, CdmLicenseType> cdm_engine_add_key_;
ValueMetric<std::string> cdm_engine_cdm_version_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_close_session_;
ValueMetric<int64_t> cdm_engine_creation_time_millis_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType, kLengthFieldNumber,
Pow2Bucket>
cdm_engine_decrypt_;
CounterMetric<kErrorCodeBoolFieldNumber, bool>
cdm_engine_find_session_for_key_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType,
kLicenseTypeFieldNumber, CdmLicenseType>
cdm_engine_generate_key_request_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_get_provisioning_request_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_get_secure_stop_ids_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType,
kErrorDetailFieldNumber, int32_t>
cdm_engine_get_usage_info_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_handle_provisioning_response_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_open_key_set_session_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_open_session_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_query_key_status_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_release_all_usage_info_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_release_usage_info_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_remove_all_usage_info_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType> cdm_engine_remove_keys_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType>
cdm_engine_remove_usage_info_;
EventMetric<kErrorCodeFieldNumber, CdmResponseType> cdm_engine_restore_key_;
CounterMetric<kErrorCodeFieldNumber, CdmResponseType,
kCdmSecurityLevelFieldNumber, CdmSecurityLevel>
cdm_engine_unprovision_;
private:
mutable std::mutex session_metrics_lock_;
std::vector<std::shared_ptr<metrics::SessionMetrics>>
active_session_metrics_list_;
std::vector<std::shared_ptr<metrics::SessionMetrics>>
completed_session_metrics_list_;
// This is used to populate the engine lifespan metric
metrics::TimerMetric life_span_internal_;
CryptoMetrics crypto_metrics_;
std::string app_package_name_;
void SerializeEngineMetrics(
drm_metrics::WvCdmMetrics::EngineMetrics *engine_metrics) const;
};
} // namespace metrics
} // namespace wvcdm
#endif // WVCDM_METRICS_METRICS_GROUP_H_