| /* |
| * Copyright 2021 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. |
| */ |
| #pragma once |
| |
| #include <unordered_map> |
| |
| #include "module.h" |
| #include "os/repeating_alarm.h" |
| |
| namespace bluetooth { |
| namespace metrics { |
| |
| class CounterMetrics : public bluetooth::Module { |
| public: |
| bool CacheCount(int32_t key, int64_t value); |
| virtual bool Count(int32_t key, int64_t count); |
| void Stop() override; |
| static const ModuleFactory Factory; |
| |
| protected: |
| void ListDependencies(ModuleList* list) const override; |
| void Start() override; |
| std::string ToString() const override { |
| return std::string("BluetoothCounterMetrics"); |
| } |
| void DrainBufferedCounters(); |
| virtual bool IsInitialized() { |
| return initialized_; |
| } |
| |
| private: |
| std::unordered_map<int32_t, int64_t> counters_; |
| mutable std::mutex mutex_; |
| std::unique_ptr<os::RepeatingAlarm> alarm_; |
| bool initialized_ {false}; |
| }; |
| |
| } // namespace metrics |
| } // namespace bluetooth |