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      1 /*
      2  * Copyright (C) 2017 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 specic language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #define LOG_TAG "libperfmgr"
     18 
     19 #include "perfmgr/RequestGroup.h"
     20 
     21 namespace android {
     22 namespace perfmgr {
     23 
     24 bool RequestGroup::AddRequest(const std::string& hint_type, ReqTime end_time) {
     25     if (request_map_.find(hint_type) == request_map_.end()) {
     26         request_map_.emplace(hint_type, end_time);
     27         return true;
     28     } else {
     29         if (request_map_[hint_type] < end_time) {
     30             request_map_[hint_type] = end_time;
     31         }
     32         return false;
     33     }
     34 }
     35 
     36 bool RequestGroup::RemoveRequest(const std::string& hint_type) {
     37     return request_map_.erase(hint_type);
     38 }
     39 
     40 std::string RequestGroup::GetRequestValue() const {
     41     return request_value_;
     42 }
     43 
     44 bool RequestGroup::GetExpireTime(std::chrono::milliseconds* expire_time) {
     45     ReqTime now = std::chrono::steady_clock::now();
     46     *expire_time = std::chrono::milliseconds::max();
     47 
     48     bool active = false;
     49     for (auto it = request_map_.begin(); it != request_map_.end();) {
     50         auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(
     51             it->second - now);
     52         if (duration <= std::chrono::milliseconds::zero()) {
     53             it = request_map_.erase(it);
     54         } else {
     55             *expire_time = std::min(duration, *expire_time);
     56             active = true;
     57             ++it;
     58         }
     59     }
     60     return active;
     61 }
     62 
     63 }  // namespace perfmgr
     64 }  // namespace android
     65