| /* |
| * Copyright (C) 2022 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 CHRE_HOST_TIME_SYNCER_H_ |
| #define CHRE_HOST_TIME_SYNCER_H_ |
| |
| #include <cstdint> |
| #include <string> |
| |
| #include "chre_connection.h" |
| |
| namespace android::chre { |
| |
| using hardware::contexthub::common::implementation::ChreConnection; |
| |
| /** The class synchronizes time between the Context hub and Android. */ |
| class TimeSyncer { |
| public: |
| explicit TimeSyncer(ChreConnection *connection) : mConnection(connection) {} |
| |
| /** |
| * Sends time sync message to Context hub and retries numRetries times until |
| * success. |
| * |
| * If the platform doesn't require the time sync the request will be ignored |
| * and true is returned. |
| * |
| * @return true if success, false otherwise. |
| */ |
| bool sendTimeSyncWithRetry(size_t numOfRetries, useconds_t retryDelayUs); |
| |
| /** |
| * Sends a time sync message to Context hub for once. |
| * |
| * If the platform doesn't require the time sync the request will be ignored |
| * and true is returned. |
| * |
| * @return true if success, false otherwise. |
| */ |
| bool sendTimeSync(); |
| |
| private: |
| ChreConnection *mConnection; |
| }; |
| |
| } // namespace android::chre |
| |
| #endif // CHRE_HOST_TIME_SYNCER_H_ |