blob: bc0f5f707061172b75ca953bd08f025dd7bad9f1 [file] [log] [blame]
// Copyright (c) 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 <list>
#include "quic/core/frames/quic_frame.h"
#include "quic/core/quic_ack_listener_interface.h"
#include "quic/core/quic_types.h"
#include "quic/platform/api/quic_export.h"
namespace quic {
// Stores details of a single sent packet.
struct QUIC_EXPORT_PRIVATE QuicTransmissionInfo {
// Used by STL when assigning into a map.
// Constructs a Transmission with a new all_transmissions set
// containing |packet_number|.
QuicTransmissionInfo(EncryptionLevel level,
TransmissionType transmission_type,
QuicTime sent_time,
QuicPacketLength bytes_sent,
bool has_crypto_handshake,
bool has_ack_frequency);
QuicTransmissionInfo(const QuicTransmissionInfo& other);
std::string DebugString() const;
QuicFrames retransmittable_frames;
QuicTime sent_time;
QuicPacketLength bytes_sent;
EncryptionLevel encryption_level;
// Reason why this packet was transmitted.
TransmissionType transmission_type;
// In flight packets have not been abandoned or lost.
bool in_flight;
// State of this packet.
SentPacketState state;
// True if the packet contains stream data from the crypto stream.
bool has_crypto_handshake;
// True if the packet contains ack frequency frame.
bool has_ack_frequency;
// Records the first sent packet after this packet was detected lost. Zero if
// this packet has not been detected lost. This is used to keep lost packet
// for another RTT (for potential spurious loss detection)
QuicPacketNumber first_sent_after_loss;
// The largest_acked in the ack frame, if the packet contains an ack.
QuicPacketNumber largest_acked;
// TODO(ianswett): Add static_assert when size of this struct is reduced below
// 64 bytes.
// NOTE(vlovich): Existing static_assert removed because padding differences on
// 64-bit iOS resulted in an 88-byte struct that is greater than the 84-byte
// limit on other platforms. Removing per ianswett's request.
} // namespace quic