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88 lines
3.5 KiB
88 lines
3.5 KiB
//
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// Copyright (C) 2015 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 UPDATE_ENGINE_METRICS_UTILS_H_
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#define UPDATE_ENGINE_METRICS_UTILS_H_
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#include <string>
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#include <base/time/time.h>
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#include "update_engine/common/clock_interface.h"
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#include "update_engine/common/connection_utils.h"
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#include "update_engine/common/error_code.h"
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#include "update_engine/common/metrics_constants.h"
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#include "update_engine/common/metrics_reporter_interface.h"
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#include "update_engine/common/prefs_interface.h"
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namespace chromeos_update_engine {
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namespace metrics_utils {
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// Transforms a ErrorCode value into a metrics::DownloadErrorCode.
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// This obviously only works for errors related to downloading so if |code|
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// is e.g. |ErrorCode::kFilesystemCopierError| then
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// |kDownloadErrorCodeInputMalformed| is returned.
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metrics::DownloadErrorCode GetDownloadErrorCode(ErrorCode code);
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// Transforms a ErrorCode value into a metrics::AttemptResult.
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//
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// If metrics::AttemptResult::kPayloadDownloadError is returned, you
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// can use utils::GetDownloadError() to get more detail.
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metrics::AttemptResult GetAttemptResult(ErrorCode code);
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// Calculates the internet connection type given |type| and |tethering|.
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metrics::ConnectionType GetConnectionType(ConnectionType type,
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ConnectionTethering tethering);
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// Returns the persisted value from prefs for the given key. It also
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// validates that the value returned is non-negative.
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int64_t GetPersistedValue(const std::string& key, PrefsInterface* prefs);
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// Persists the reboot count of the update attempt to |kPrefsNumReboots|.
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void SetNumReboots(int64_t num_reboots, PrefsInterface* prefs);
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// Persists the payload attempt number to |kPrefsPayloadAttemptNumber|.
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void SetPayloadAttemptNumber(int64_t payload_attempt_number,
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PrefsInterface* prefs);
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// Persists the finished time of an update to the |kPrefsSystemUpdatedMarker|.
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void SetSystemUpdatedMarker(ClockInterface* clock, PrefsInterface* prefs);
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// Persists the start monotonic time of an update to
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// |kPrefsUpdateTimestampStart|.
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void SetUpdateTimestampStart(const base::Time& update_start_time,
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PrefsInterface* prefs);
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// Persists the start boot time of an update to
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// |kPrefsUpdateBootTimestampStart|.
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void SetUpdateBootTimestampStart(const base::Time& update_start_boot_time,
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PrefsInterface* prefs);
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// Called at program startup if the device booted into a new update.
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// The |time_to_reboot| parameter contains the (monotonic-clock) duration
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// from when the update successfully completed (the value in
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// |kPrefsSystemUpdatedMarker|) until the device was booted into the update
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// (current monotonic-clock time).
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bool LoadAndReportTimeToReboot(MetricsReporterInterface* metrics_reporter,
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PrefsInterface* prefs,
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ClockInterface* clock);
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} // namespace metrics_utils
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} // namespace chromeos_update_engine
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#endif // UPDATE_ENGINE_METRICS_UTILS_H_
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