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92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
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// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_NQE_SOCKET_WATCHER_FACTORY_H_
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#define NET_NQE_SOCKET_WATCHER_FACTORY_H_
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#include <memory>
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#include "base/callback.h"
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#include "base/memory/ref_counted.h"
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#include "base/memory/weak_ptr.h"
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#include "base/optional.h"
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#include "base/single_thread_task_runner.h"
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#include "base/threading/thread_checker.h"
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#include "base/time/time.h"
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#include "net/nqe/network_quality_estimator_util.h"
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#include "net/socket/socket_performance_watcher.h"
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#include "net/socket/socket_performance_watcher_factory.h"
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namespace base {
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class TickClock;
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class TimeDelta;
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} // namespace base
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namespace net {
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namespace {
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typedef base::Callback<void(SocketPerformanceWatcherFactory::Protocol protocol,
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const base::TimeDelta& rtt,
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const base::Optional<nqe::internal::IPHash>& host)>
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OnUpdatedRTTAvailableCallback;
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}
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namespace nqe {
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namespace internal {
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// SocketWatcherFactory implements SocketPerformanceWatcherFactory.
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// SocketWatcherFactory is thread safe.
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class SocketWatcherFactory : public SocketPerformanceWatcherFactory {
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public:
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// Creates a SocketWatcherFactory. All socket watchers created by
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// SocketWatcherFactory call |updated_rtt_observation_callback| on
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// |task_runner| every time a new RTT observation is available.
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// |min_notification_interval| is the minimum interval betweeen consecutive
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// notifications to the socket watchers created by this factory. |tick_clock|
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// is guaranteed to be non-null.
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SocketWatcherFactory(
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scoped_refptr<base::SingleThreadTaskRunner> task_runner,
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base::TimeDelta min_notification_interval,
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OnUpdatedRTTAvailableCallback updated_rtt_observation_callback,
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base::TickClock* tick_clock);
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~SocketWatcherFactory() override;
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// SocketPerformanceWatcherFactory implementation:
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std::unique_ptr<SocketPerformanceWatcher> CreateSocketPerformanceWatcher(
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const Protocol protocol,
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const AddressList& address_list) override;
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void SetUseLocalHostRequestsForTesting(bool use_localhost_requests) {
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allow_rtt_private_address_ = use_localhost_requests;
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}
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private:
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scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
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// Minimum interval betweeen consecutive notifications to the socket watchers
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// created by this factory.
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const base::TimeDelta min_notification_interval_;
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// True if socket watchers constructed by this factory can use the RTT from
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// the sockets that are connected to the private addresses.
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bool allow_rtt_private_address_;
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// Called every time a new RTT observation is available.
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OnUpdatedRTTAvailableCallback updated_rtt_observation_callback_;
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base::TickClock* tick_clock_;
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DISALLOW_COPY_AND_ASSIGN(SocketWatcherFactory);
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};
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} // namespace internal
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} // namespace nqe
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} // namespace net
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#endif // NET_NQE_SOCKET_WATCHER_FACTORY_H_
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