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71 lines
2.8 KiB
71 lines
2.8 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 "update_engine/connection_utils.h" |
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#include "update_engine/metrics.h" |
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namespace chromeos_update_engine { |
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class SystemState; |
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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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// This function returns the duration on the wallclock since the last |
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// time it was called for the same |state_variable_key| value. |
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// |
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// If the function returns |true|, the duration (always non-negative) |
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// is returned in |out_duration|. If the function returns |false| |
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// something went wrong or there was no previous measurement. |
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bool WallclockDurationHelper(SystemState* system_state, |
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const std::string& state_variable_key, |
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base::TimeDelta* out_duration); |
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// This function returns the duration on the monotonic clock since the |
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// last time it was called for the same |storage| pointer. |
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// |
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// You should pass a pointer to a 64-bit integer in |storage| which |
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// should be initialized to 0. |
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// |
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// If the function returns |true|, the duration (always non-negative) |
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// is returned in |out_duration|. If the function returns |false| |
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// something went wrong or there was no previous measurement. |
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bool MonotonicDurationHelper(SystemState* system_state, |
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int64_t* storage, |
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base::TimeDelta* out_duration); |
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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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