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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/backoff_timer.h"
#include <utility>
namespace remoting {
BackoffTimer::BackoffTimer() : timer_(new base::Timer(false, false)) {}
BackoffTimer::~BackoffTimer() {}
void BackoffTimer::Start(const tracked_objects::Location& posted_from,
base::TimeDelta delay,
base::TimeDelta max_delay,
const base::Closure& user_task) {
backoff_policy_.multiply_factor = 2;
backoff_policy_.initial_delay_ms = delay.InMilliseconds();
backoff_policy_.maximum_backoff_ms = max_delay.InMilliseconds();
backoff_policy_.entry_lifetime_ms = -1;
backoff_entry_.reset(new net::BackoffEntry(&backoff_policy_));
posted_from_ = posted_from;
user_task_ = user_task;
StartTimer();
}
void BackoffTimer::Stop() {
timer_->Stop();
user_task_.Reset();
backoff_entry_.reset();
};
void BackoffTimer::SetTimerForTest(scoped_ptr<base::Timer> timer) {
timer_ = std::move(timer);
}
void BackoffTimer::StartTimer() {
timer_->Start(
posted_from_, backoff_entry_->GetTimeUntilRelease(),
base::Bind(&BackoffTimer::OnTimerFired, base::Unretained(this)));
}
void BackoffTimer::OnTimerFired() {
DCHECK(IsRunning());
DCHECK(!user_task_.is_null());
backoff_entry_->InformOfRequest(false);
StartTimer();
// Running the user task may destroy this object, so don't reference
// any fields of this object after running it.
base::Closure user_task(user_task_);
user_task.Run();
}
} // namespace remoting
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