chromium/net/third_party/quiche/src/quiche/quic/core/quic_network_blackhole_detector.h

// Copyright (c) 2020 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.

#ifndef QUICHE_QUIC_CORE_QUIC_NETWORK_BLACKHOLE_DETECTOR_H_
#define QUICHE_QUIC_CORE_QUIC_NETWORK_BLACKHOLE_DETECTOR_H_

#include "quiche/quic/core/quic_alarm.h"
#include "quiche/quic/core/quic_alarm_factory.h"
#include "quiche/quic/core/quic_one_block_arena.h"
#include "quiche/quic/core/quic_time.h"
#include "quiche/quic/platform/api/quic_export.h"
#include "quiche/quic/platform/api/quic_flags.h"

namespace quic {

namespace test {
class QuicConnectionPeer;
class QuicNetworkBlackholeDetectorPeer;
}  // namespace test

// QuicNetworkBlackholeDetector can detect path degrading and/or network
// blackhole. If both detections are in progress, detector will be in path
// degrading detection mode. After reporting path degrading detected, detector
// switches to blackhole detection mode. So blackhole detection deadline must
// be later than path degrading deadline.
class QUICHE_EXPORT QuicNetworkBlackholeDetector { … };

}  // namespace quic

#endif  // QUICHE_QUIC_CORE_QUIC_NETWORK_BLACKHOLE_DETECTOR_H_