| /* |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include <android/os/IStatsCompanionService.h> |
| #include <binder/IServiceManager.h> |
| #include <utils/RefBase.h> |
| #include <utils/threads.h> |
| #include <string> |
| #include <unordered_map> |
| #include <vector> |
| #include <list> |
| #include "PullDataReceiver.h" |
| #include "StatsPuller.h" |
| #include "logd/LogEvent.h" |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| class StatsPullerManagerImpl : public virtual RefBase { |
| public: |
| static StatsPullerManagerImpl& GetInstance(); |
| |
| void RegisterReceiver(int tagId, wp<PullDataReceiver> receiver, long intervalMs); |
| |
| void UnRegisterReceiver(int tagId, wp<PullDataReceiver> receiver); |
| |
| // Verify if we know how to pull for this matcher |
| bool PullerForMatcherExists(int tagId) const; |
| |
| void OnAlarmFired(); |
| |
| bool Pull(const int tagId, vector<std::shared_ptr<LogEvent>>* data); |
| |
| void SetTimeBaseSec(long timeBaseSec) {mTimeBaseSec = timeBaseSec;}; |
| |
| int ForceClearPullerCache(); |
| |
| int ClearPullerCacheIfNecessary(long timestampSec); |
| |
| private: |
| StatsPullerManagerImpl(); |
| |
| // use this to update alarm |
| sp<IStatsCompanionService> mStatsCompanionService = nullptr; |
| |
| sp<IStatsCompanionService> get_stats_companion_service(); |
| |
| // mapping from simple matcher tagId to puller |
| std::map<int, std::shared_ptr<StatsPuller>> mPullers; |
| |
| typedef struct { |
| // pull_interval_sec : last_pull_time_sec |
| std::pair<uint64_t, uint64_t> timeInfo; |
| wp<PullDataReceiver> receiver; |
| } ReceiverInfo; |
| |
| // mapping from simple matcher tagId to receivers |
| std::map<int, std::list<ReceiverInfo>> mReceivers; |
| |
| Mutex mReceiversLock; |
| |
| long mCurrentPullingInterval; |
| |
| // for pulled metrics, it is important for the buckets to be aligned to multiple of smallest |
| // bucket size. All pulled metrics start pulling based on this time, so that they can be |
| // correctly attributed to the correct buckets. |
| long mTimeBaseSec; |
| |
| LogEvent parse_pulled_data(String16 data); |
| }; |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |