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//
// Copyright (C) 2017 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef UPDATE_ENGINE_COMMON_METRICS_REPORTER_INTERFACE_H_
#define UPDATE_ENGINE_COMMON_METRICS_REPORTER_INTERFACE_H_
#include <memory>
#include <string>
#include <base/time/time.h>
#include "update_engine/common/constants.h"
#include "update_engine/common/dynamic_partition_control_interface.h"
#include "update_engine/common/error_code.h"
#include "update_engine/common/metrics_constants.h"
#include "update_engine/payload_consumer/install_plan.h"
namespace chromeos_update_engine {
enum class ServerToCheck;
enum class CertificateCheckResult;
class MetricsReporterInterface {
public:
virtual ~MetricsReporterInterface() = default;
// Helper function to report metrics related to user-initiated rollback. The
// following metrics are reported:
//
// |kMetricRollbackResult|
virtual void ReportRollbackMetrics(metrics::RollbackResult result) = 0;
// Helper function to report metrics related to enterprise (admin-initiated)
// rollback:
//
// |kMetricEnterpriseRollbackSuccess|
// |kMetricEnterpriseRollbackFailure|
virtual void ReportEnterpriseRollbackMetrics(
bool success, const std::string& rollback_version) = 0;
// Helper function to report metrics reported once a day. The
// following metrics are reported:
//
// |kMetricDailyOSAgeDays|
virtual void ReportDailyMetrics(base::TimeDelta os_age) = 0;
// Helper function to report metrics after completing an update check
// with the ChromeOS update server ("Omaha"). The following metrics
// are reported:
//
// |kMetricCheckResult|
// |kMetricCheckReaction|
// |kMetricCheckDownloadErrorCode|
// |kMetricCheckTimeSinceLastCheckMinutes|
// |kMetricCheckTimeSinceLastCheckUptimeMinutes|
// |kMetricCheckTargetVersion|
// |kMetricCheckRollbackTargetVersion|
//
// The |kMetricCheckResult| metric will only be reported if |result|
// is not |kUnset|.
//
// The |kMetricCheckReaction| metric will only be reported if
// |reaction| is not |kUnset|.
//
// The |kMetricCheckDownloadErrorCode| will only be reported if
// |download_error_code| is not |kUnset|.
//
// The values for the |kMetricCheckTimeSinceLastCheckMinutes| and
// |kMetricCheckTimeSinceLastCheckUptimeMinutes| metrics are
// automatically reported and calculated by maintaining persistent
// and process-local state variables.
//
// |kMetricCheckTargetVersion| reports the first section of the target version
// if it's set, |kMetricCheckRollbackTargetVersion| reports the same, but only
// if rollback is also allowed using enterprise policy.
virtual void ReportUpdateCheckMetrics(
metrics::CheckResult result,
metrics::CheckReaction reaction,
metrics::DownloadErrorCode download_error_code) = 0;
// Helper function to report metrics after the completion of each
// update attempt. The following metrics are reported:
//
// |kMetricAttemptNumber|
// |kMetricAttemptPayloadType|
// |kMetricAttemptPayloadSizeMiB|
// |kMetricAttemptDurationMinutes|
// |kMetricAttemptDurationUptimeMinutes|
// |kMetricAttemptTimeSinceLastAttemptMinutes|
// |kMetricAttemptTimeSinceLastAttemptUptimeMinutes|
// |kMetricAttemptResult|
// |kMetricAttemptInternalErrorCode|
//
// The |kMetricAttemptInternalErrorCode| metric will only be reported
// if |internal_error_code| is not |kErrorSuccess|.
//
// The |kMetricAttemptDownloadErrorCode| metric will only be
// reported if |payload_download_error_code| is not |kUnset|.
//
// The values for the |kMetricAttemptTimeSinceLastAttemptMinutes| and
// |kMetricAttemptTimeSinceLastAttemptUptimeMinutes| metrics are
// automatically calculated and reported by maintaining persistent and
// process-local state variables.
virtual void ReportUpdateAttemptMetrics(int attempt_number,
PayloadType payload_type,
base::TimeDelta duration,
base::TimeDelta duration_uptime,
int64_t payload_size,
metrics::AttemptResult attempt_result,
ErrorCode internal_error_code) = 0;
// Helper function to report download metrics after the completion of each
// update attempt. The following metrics are reported:
//
// |kMetricAttemptPayloadBytesDownloadedMiB|
// |kMetricAttemptPayloadDownloadSpeedKBps|
// |kMetricAttemptDownloadSource|
// |kMetricAttemptDownloadErrorCode|
// |kMetricAttemptConnectionType|
virtual void ReportUpdateAttemptDownloadMetrics(
int64_t payload_bytes_downloaded,
int64_t payload_download_speed_bps,
DownloadSource download_source,
metrics::DownloadErrorCode payload_download_error_code,
metrics::ConnectionType connection_type) = 0;
// Reports the |kAbnormalTermination| for the |kMetricAttemptResult|
// metric. No other metrics in the UpdateEngine.Attempt.* namespace
// will be reported.
virtual void ReportAbnormallyTerminatedUpdateAttemptMetrics() = 0;
// Helper function to report the after the completion of a successful
// update attempt. The following metrics are reported:
//
// |kMetricSuccessfulUpdateAttemptCount|
// |kMetricSuccessfulUpdateUpdatesAbandonedCount|
// |kMetricSuccessfulUpdatePayloadType|
// |kMetricSuccessfulUpdatePayloadSizeMiB|
// |kMetricSuccessfulUpdateBytesDownloadedMiBHttpsServer|
// |kMetricSuccessfulUpdateBytesDownloadedMiBHttpServer|
// |kMetricSuccessfulUpdateBytesDownloadedMiBHttpPeer|
// |kMetricSuccessfulUpdateBytesDownloadedMiB|
// |kMetricSuccessfulUpdateDownloadSourcesUsed|
// |kMetricSuccessfulUpdateDownloadOverheadPercentage|
// |kMetricSuccessfulUpdateTotalDurationMinutes|
// |kMetricSuccessfulUpdateTotalDurationUptimeMinutes|
// |kMetricSuccessfulUpdateRebootCount|
// |kMetricSuccessfulUpdateUrlSwitchCount|
//
// The values for the |kMetricSuccessfulUpdateDownloadSourcesUsed| are
// |kMetricSuccessfulUpdateBytesDownloadedMiB| metrics automatically
// calculated from examining the |num_bytes_downloaded| array.
virtual void ReportSuccessfulUpdateMetrics(
int attempt_count,
int updates_abandoned_count,
PayloadType payload_type,
int64_t payload_size,
int64_t num_bytes_downloaded[kNumDownloadSources],
int download_overhead_percentage,
base::TimeDelta total_duration,
base::TimeDelta total_duration_uptime,
int reboot_count,
int url_switch_count) = 0;
// Helper function to report the after the completion of a SSL certificate
// check. One of the following metrics is reported:
//
// |kMetricCertificateCheckUpdateCheck|
// |kMetricCertificateCheckDownload|
virtual void ReportCertificateCheckMetrics(ServerToCheck server_to_check,
CertificateCheckResult result) = 0;
// Helper function to report the number failed update attempts. The following
// metrics are reported:
//
// |kMetricFailedUpdateCount|
virtual void ReportFailedUpdateCount(int target_attempt) = 0;
// Helper function to report the time interval in minutes between a
// successful update and the reboot into the updated system. The following
// metrics are reported:
//
// |kMetricTimeToRebootMinutes|
virtual void ReportTimeToReboot(int time_to_reboot_minutes) = 0;
// Helper function to report the source of installation data. The following
// metrics are reported:
//
// |kMetricInstallDateProvisioningSource|
virtual void ReportInstallDateProvisioningSource(int source, int max) = 0;
// Helper function to report an internal error code. The following metrics are
// reported:
//
// |kMetricAttemptInternalErrorCode|
virtual void ReportInternalErrorCode(ErrorCode error_code) = 0;
// Helper function to report metrics related to the verified boot key
// versions:
//
// |kMetricKernelMinVersion|
// |kMetricKernelMaxRollforwardVersion|
// |kMetricKernelMaxRollforwardSetSuccess|
virtual void ReportKeyVersionMetrics(int kernel_min_version,
int kernel_max_rollforward_version,
bool kernel_max_rollforward_success) = 0;
// Helper function to report the duration between an update being seen by the
// client to the update being applied. Updates are not always immediately
// applied when seen, several enterprise policies can affect when an update
// would actually be downloaded and applied.
//
// This metric should only be reported for enterprise enrolled devices.
//
// The following metrics are reported from this function:
// If |has_time_restriction_policy| is false:
// |kMetricSuccessfulUpdateDurationFromSeenDays|
// If |has_time_restriction_policy| is true:
// |kMetricSuccessfulUpdateDurationFromSeenTimeRestrictedDays|
//
virtual void ReportEnterpriseUpdateSeenToDownloadDays(
bool has_time_restriction_policy, int time_to_update_days) = 0;
};
namespace metrics {
std::unique_ptr<MetricsReporterInterface> CreateMetricsReporter(
DynamicPartitionControlInterface* dynamic_partition_control,
const InstallPlan* install_plan);
} // namespace metrics
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_COMMON_METRICS_REPORTER_INTERFACE_H_