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

// Copyright (c) 2012 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.

// Handles packets for connection_ids in time wait state by discarding the
// packet and sending the peers termination packets with exponential backoff.

#ifndef QUICHE_QUIC_CORE_QUIC_TIME_WAIT_LIST_MANAGER_H_
#define QUICHE_QUIC_CORE_QUIC_TIME_WAIT_LIST_MANAGER_H_

#include <cstddef>
#include <memory>

#include "absl/container/flat_hash_map.h"
#include "quiche/quic/core/quic_blocked_writer_interface.h"
#include "quiche/quic/core/quic_connection_id.h"
#include "quiche/quic/core/quic_framer.h"
#include "quiche/quic/core/quic_packet_writer.h"
#include "quiche/quic/core/quic_packets.h"
#include "quiche/quic/core/quic_session.h"
#include "quiche/quic/core/quic_types.h"
#include "quiche/quic/platform/api/quic_flags.h"
#include "quiche/common/quiche_linked_hash_map.h"

namespace quic {

namespace test {
class QuicDispatcherPeer;
class QuicTimeWaitListManagerPeer;
}  // namespace test

// TimeWaitConnectionInfo comprises information of a connection which is in the
// time wait list.
struct QUICHE_EXPORT TimeWaitConnectionInfo { … };

// Maintains a list of all connection_ids that have been recently closed. A
// connection_id lives in this state for time_wait_period_. All packets received
// for connection_ids in this state are handed over to the
// QuicTimeWaitListManager by the QuicDispatcher.  Decides whether to send a
// public reset packet, a copy of the previously sent connection close packet,
// or nothing to the peer which sent a packet with the connection_id in time
// wait state.  After the connection_id expires its time wait period, a new
// connection/session will be created if a packet is received for this
// connection_id.
class QUICHE_EXPORT QuicTimeWaitListManager
    : public QuicBlockedWriterInterface { … };

}  // namespace quic

#endif  // QUICHE_QUIC_CORE_QUIC_TIME_WAIT_LIST_MANAGER_H_