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// Copyright 2017 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 "headless/public/util/throttled_dispatcher.h"
#include <utility>
#include "base/bind.h"
#include "base/synchronization/lock.h"
#include "headless/public/util/managed_dispatch_url_request_job.h"
namespace headless {
ThrottledDispatcher::ThrottledDispatcher(
scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner)
: ExpeditedDispatcher(std::move(io_thread_task_runner)),
requests_paused_(false) {}
ThrottledDispatcher::~ThrottledDispatcher() = default;
void ThrottledDispatcher::PauseRequests() {
base::AutoLock lock(lock_);
requests_paused_ = true;
}
void ThrottledDispatcher::ResumeRequests() {
base::AutoLock lock(lock_);
requests_paused_ = false;
for (ManagedDispatchURLRequestJob* job : paused_jobs_) {
io_thread_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&ManagedDispatchURLRequestJob::OnHeadersComplete,
job->GetWeakPtr()));
}
paused_jobs_.clear();
}
void ThrottledDispatcher::DataReady(ManagedDispatchURLRequestJob* job) {
base::AutoLock lock(lock_);
if (requests_paused_) {
paused_jobs_.push_back(job);
} else {
io_thread_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&ManagedDispatchURLRequestJob::OnHeadersComplete,
job->GetWeakPtr()));
}
}
void ThrottledDispatcher::JobDeleted(ManagedDispatchURLRequestJob* job) {
base::AutoLock lock(lock_);
paused_jobs_.erase(std::remove(paused_jobs_.begin(), paused_jobs_.end(), job),
paused_jobs_.end());
}
} // namespace headless
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