1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef PROFILER_DATA_REPEATER_H 16 #define PROFILER_DATA_REPEATER_H 17 18 #include <condition_variable> 19 #include <deque> 20 #include <memory> 21 #include <mutex> 22 #include "logging.h" 23 #include "nocopyable.h" 24 #include "profiler_service_types.pb.h" 25 26 using ProfilerPluginDataPtr = STD_PTR(shared, ProfilerPluginData); 27 28 class ProfilerDataRepeater { 29 public: 30 explicit ProfilerDataRepeater(size_t maxSize); 31 ~ProfilerDataRepeater(); 32 33 bool PutPluginData(const ProfilerPluginDataPtr& pluginData); 34 35 ProfilerPluginDataPtr TakePluginData(); 36 37 int TakePluginData(std::vector<ProfilerPluginDataPtr>& pluginDataVec); 38 39 void Close(); 40 41 void Reset(); 42 43 size_t Size(); 44 45 void ClearQueue(); 46 47 private: 48 std::mutex mutex_; 49 std::condition_variable slotCondVar_; 50 std::condition_variable itemCondVar_; 51 std::deque<ProfilerPluginDataPtr> dataQueue_; 52 size_t maxSize_; 53 bool closed_; 54 55 DISALLOW_COPY_AND_MOVE(ProfilerDataRepeater); 56 }; 57 58 using ProfilerDataRepeaterPtr = STD_PTR(shared, ProfilerDataRepeater); 59 60 #endif // PROFILER_DATA_REPEATER_H