| /* |
| * Copyright 2016 Google Inc. All rights reserved. |
| * |
| * 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. |
| */ |
| |
| #ifndef SPEEDTEST_TASK_H |
| #define SPEEDTEST_TASK_H |
| |
| #include <condition_variable> |
| #include <functional> |
| #include <memory> |
| #include <mutex> |
| #include <thread> |
| |
| namespace speedtest { |
| |
| enum class TaskStatus { |
| NOT_STARTED, |
| RUNNING, |
| STOPPING, |
| STOPPED |
| }; |
| |
| const char *AsString(TaskStatus status); |
| |
| class Task { |
| public: |
| struct Options { |
| bool verbose = false; |
| }; |
| |
| explicit Task(const Options &options); |
| virtual ~Task(); |
| |
| void Run(); |
| void Stop(); |
| |
| TaskStatus GetStatus() const; |
| long GetStartTime() const; |
| long GetEndTime() const; |
| long GetRunningTimeMicros() const; |
| void WaitForEnd(); |
| |
| protected: |
| virtual void RunInternal() = 0; |
| virtual void StopInternal() {} |
| |
| private: |
| // Only call with mutex_ |
| void UpdateStatusLocked(TaskStatus status); |
| |
| void WaitFor(TaskStatus status); |
| |
| mutable std::mutex mutex_; |
| std::thread runner_; |
| std::thread stopper_; |
| std::condition_variable status_cond_; |
| TaskStatus status_; |
| long start_time_; |
| long end_time_; |
| |
| // disallowed |
| Task(const Task &) = delete; |
| void operator=(const Task &) = delete; |
| }; |
| |
| } // namespace speedtest |
| |
| #endif //SPEEDTEST_TASK_H |