blob: 25528f4bf8740659c2c9e50f0734db695f5894df [file] [log] [blame]
// Copyright 2016 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 "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "net/socket/socket_performance_watcher.h"
#include "net/socket/socket_performance_watcher_factory.h"
namespace base {
class SingleThreadTaskRunner;
class TimeDelta;
} // namespace base
namespace net {
namespace {
typedef base::Callback<void(SocketPerformanceWatcherFactory::Protocol protocol,
const base::TimeDelta& rtt)>
namespace nqe {
namespace internal {
// SocketWatcher implements SocketPerformanceWatcher, and is not thread-safe.
class SocketWatcher : public SocketPerformanceWatcher {
// Creates a SocketWatcher which can be used to watch a socket that uses
// |protocol| as the transport layer protocol. The socket watcher will call
// |updated_rtt_observation_callback| on |task_runner| every time a new RTT
// observation is available.
SocketWatcher(SocketPerformanceWatcherFactory::Protocol protocol,
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
OnUpdatedRTTAvailableCallback updated_rtt_observation_callback);
~SocketWatcher() override;
// SocketPerformanceWatcher implementation:
bool ShouldNotifyUpdatedRTT() const override;
void OnUpdatedRTTAvailable(const base::TimeDelta& rtt) override;
void OnConnectionChanged() override;
// Transport layer protocol used by the socket that |this| is watching.
const SocketPerformanceWatcherFactory::Protocol protocol_;
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
// Called every time a new RTT observation is available.
OnUpdatedRTTAvailableCallback updated_rtt_observation_callback_;
base::ThreadChecker thread_checker_;
} // namespace internal
} // namespace nqe
} // namespace net