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This CL introduces the TimeControllerInterface that provides timing related functionality. Most notably it provides a TaskQueueFactory and facilitates creation of ProcessThread. Two implementations of the interface are provided, RealTimeController and SimulatedTimeController. This prepares for an upcoming CL using these in Scenario tests. Bug: webrtc:10365 Change-Id: Id956a29628d7e2f53ecaedadd643a9f697329d2f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/127297 Commit-Queue: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27244}
47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
/*
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* Copyright 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef TEST_TIME_CONTROLLER_TIME_CONTROLLER_H_
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#define TEST_TIME_CONTROLLER_TIME_CONTROLLER_H_
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#include <functional>
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#include <memory>
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#include "api/task_queue/task_queue_factory.h"
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#include "api/units/time_delta.h"
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#include "modules/utility/include/process_thread.h"
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#include "system_wrappers/include/clock.h"
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namespace webrtc {
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// Interface for controlling time progress. This allows us to execute test code
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// in either real time or simulated time by using different implementation of
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// this interface.
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class TimeController {
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public:
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virtual ~TimeController() = default;
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// Provides a clock instance that follows implementation defined time
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// progress.
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virtual Clock* GetClock() = 0;
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// The returned factory will created task queues that runs in implementation
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// defined time domain.
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virtual TaskQueueFactory* GetTaskQueueFactory() = 0;
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// Creates a process thread.
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virtual std::unique_ptr<ProcessThread> CreateProcessThread(
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const char* thread_name) = 0;
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// Allow task queues and process threads created by this instance to execute
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// for the given |duration|.
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virtual void Sleep(TimeDelta duration) = 0;
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// Execute closure in an implementation defined scope where rtc::Event::Wait
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// might yield to execute other tasks. This allows doing blocking waits on
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// tasks on other task queues froma a task queue without deadlocking.
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virtual void InvokeWithControlledYield(std::function<void()> closure) = 0;
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};
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} // namespace webrtc
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#endif // TEST_TIME_CONTROLLER_TIME_CONTROLLER_H_
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