1 /*
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #pragma once
17 
18 #include "AocStateResidencyDataProvider.h"
19 
20 #include <condition_variable>
21 #include <mutex>
22 #include <thread>
23 #include <PowerStatsAidl.h>
24 
25 namespace aidl {
26 namespace android {
27 namespace hardware {
28 namespace power {
29 namespace stats {
30 
31 enum AsyncStatus {
32   COMPLETED,
33   RUN,
34   RUNNING
35 };
36 
37 class AocTimedStateResidencyDataProvider : public AocStateResidencyDataProvider {
38  public:
39   AocTimedStateResidencyDataProvider(
40       std::vector<std::pair<std::string, std::string>> ids,
41       std::vector<std::pair<std::string, std::string>> states,
42       const uint64_t timeoutMillis,
43       const uint64_t aocClock);
44   ~AocTimedStateResidencyDataProvider() = default;
45 
46   bool getStateResidencies(
47       std::unordered_map<std::string, std::vector<StateResidency>> *residencies) override;
48 
49  private:
50   void getStateResidenciesAsync();
51 
52   uint64_t mTimeoutMillis;
53   std::thread mAsyncThread;
54   std::mutex mStatusMutex;
55   std::condition_variable mRunCond;
56   std::condition_variable mCompletedCond;
57   std::unordered_map<std::string, std::vector<StateResidency>> mStateResidencies;
58   AsyncStatus mAsyncStatus;
59 };
60 
61 }  // namespace stats
62 }  // namespace power
63 }  // namespace hardware
64 }  // namespace android
65 }  // namespace aidl
66