| // Copyright 2013 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_CONNECTION_STATS_H_ |
| #define QUICHE_QUIC_CORE_QUIC_CONNECTION_STATS_H_ |
| |
| #include <cstdint> |
| #include <ostream> |
| |
| #include "net/third_party/quiche/src/quic/core/quic_bandwidth.h" |
| #include "net/third_party/quiche/src/quic/core/quic_packets.h" |
| #include "net/third_party/quiche/src/quic/core/quic_time.h" |
| #include "net/third_party/quiche/src/quic/platform/api/quic_export.h" |
| |
| namespace quic { |
| // Structure to hold stats for a QuicConnection. |
| struct QUIC_EXPORT_PRIVATE QuicConnectionStats { |
| QuicConnectionStats(); |
| QuicConnectionStats(const QuicConnectionStats& other); |
| ~QuicConnectionStats(); |
| |
| QUIC_EXPORT_PRIVATE friend std::ostream& operator<<( |
| std::ostream& os, |
| const QuicConnectionStats& s); |
| |
| QuicByteCount bytes_sent; // Includes retransmissions. |
| QuicPacketCount packets_sent; |
| // Non-retransmitted bytes sent in a stream frame. |
| QuicByteCount stream_bytes_sent; |
| // Packets serialized and discarded before sending. |
| QuicPacketCount packets_discarded; |
| |
| // These include version negotiation and public reset packets, which do not |
| // have packet numbers or frame data. |
| QuicByteCount bytes_received; // Includes duplicate data for a stream. |
| // Includes packets which were not processable. |
| QuicPacketCount packets_received; |
| // Excludes packets which were not processable. |
| QuicPacketCount packets_processed; |
| QuicByteCount stream_bytes_received; // Bytes received in a stream frame. |
| |
| QuicByteCount bytes_retransmitted; |
| QuicPacketCount packets_retransmitted; |
| |
| QuicByteCount bytes_spuriously_retransmitted; |
| QuicPacketCount packets_spuriously_retransmitted; |
| // Number of packets abandoned as lost by the loss detection algorithm. |
| QuicPacketCount packets_lost; |
| |
| // Number of times this connection went through the slow start phase. |
| uint32_t slowstart_count; |
| // Number of round trips spent in slow start. |
| uint32_t slowstart_num_rtts; |
| // Number of packets sent in slow start. |
| QuicPacketCount slowstart_packets_sent; |
| // Number of bytes sent in slow start. |
| QuicByteCount slowstart_bytes_sent; |
| // Number of packets lost exiting slow start. |
| QuicPacketCount slowstart_packets_lost; |
| // Number of bytes lost exiting slow start. |
| QuicByteCount slowstart_bytes_lost; |
| // Time spent in COMPLETED slow start phases. |
| QuicTime::Delta slowstart_duration; |
| // Start time of the last slow start phase. |
| QuicTime slowstart_start_time; |
| |
| QuicPacketCount packets_dropped; // Duplicate or less than least unacked. |
| size_t crypto_retransmit_count; |
| // Count of times the loss detection alarm fired. At least one packet should |
| // be lost when the alarm fires. |
| size_t loss_timeout_count; |
| size_t tlp_count; |
| size_t rto_count; // Count of times the rto timer fired. |
| |
| int64_t min_rtt_us; // Minimum RTT in microseconds. |
| int64_t srtt_us; // Smoothed RTT in microseconds. |
| QuicByteCount max_packet_size; |
| QuicByteCount max_received_packet_size; |
| QuicBandwidth estimated_bandwidth; |
| |
| // Reordering stats for received packets. |
| // Number of packets received out of packet number order. |
| QuicPacketCount packets_reordered; |
| // Maximum reordering observed in packet number space. |
| QuicPacketCount max_sequence_reordering; |
| // Maximum reordering observed in microseconds |
| int64_t max_time_reordering_us; |
| |
| // The following stats are used only in TcpCubicSender. |
| // The number of loss events from TCP's perspective. Each loss event includes |
| // one or more lost packets. |
| uint32_t tcp_loss_events; |
| |
| // Creation time, as reported by the QuicClock. |
| QuicTime connection_creation_time; |
| |
| uint64_t blocked_frames_received; |
| uint64_t blocked_frames_sent; |
| |
| // Number of connectivity probing packets received by this connection. |
| uint64_t num_connectivity_probing_received; |
| }; |
| |
| } // namespace quic |
| |
| #endif // QUICHE_QUIC_CORE_QUIC_CONNECTION_STATS_H_ |