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/*
* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef TEST_PC_E2E_TEST_ACTIVITIES_EXECUTOR_H_
#define TEST_PC_E2E_TEST_ACTIVITIES_EXECUTOR_H_
#include <queue>
#include <vector>
#include "absl/types/optional.h"
#include "api/task_queue/task_queue_base.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/task_queue_for_test.h"
#include "rtc_base/task_utils/repeating_task.h"
#include "system_wrappers/include/clock.h"
namespace webrtc {
namespace webrtc_pc_e2e {
class TestActivitiesExecutor {
public:
explicit TestActivitiesExecutor(Clock* clock) : clock_(clock) {}
~TestActivitiesExecutor() { Stop(); }
// Starts scheduled activities according to their schedule. All activities
// that will be scheduled after Start(...) was invoked will be executed
// immediately according to their schedule.
void Start(TaskQueueForTest* task_queue) { Start(task_queue->Get()); }
void Start(TaskQueueBase* task_queue);
void Stop();
// Schedule activity to be executed. If test isn't started yet, then activity
// will be executed according to its schedule after Start() will be invoked.
// If test is started, then it will be executed immediately according to its
// schedule.
void ScheduleActivity(TimeDelta initial_delay_since_start,
absl::optional<TimeDelta> interval,
std::function<void(TimeDelta)> func);
private:
struct ScheduledActivity {
ScheduledActivity(TimeDelta initial_delay_since_start,
absl::optional<TimeDelta> interval,
std::function<void(TimeDelta)> func);
TimeDelta initial_delay_since_start;
absl::optional<TimeDelta> interval;
std::function<void(TimeDelta)> func;
};
void PostActivity(ScheduledActivity activity)
RTC_EXCLUSIVE_LOCKS_REQUIRED(lock_);
Timestamp Now() const;
Clock* const clock_;
TaskQueueBase* task_queue_;
Mutex lock_;
// Time when test was started. Minus infinity means that it wasn't started
// yet.
Timestamp start_time_ RTC_GUARDED_BY(lock_) = Timestamp::MinusInfinity();
// Queue of activities that were added before test was started.
// Activities from this queue will be posted on the `task_queue_` after test
// will be set up and then this queue will be unused.
std::queue<ScheduledActivity> scheduled_activities_ RTC_GUARDED_BY(lock_);
// List of task handles for activities, that are posted on `task_queue_` as
// repeated during the call.
std::vector<RepeatingTaskHandle> repeating_task_handles_
RTC_GUARDED_BY(lock_);
};
} // namespace webrtc_pc_e2e
} // namespace webrtc
#endif // TEST_PC_E2E_TEST_ACTIVITIES_EXECUTOR_H_
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