Project import generated by Copybara.
PiperOrigin-RevId: 237361882
Change-Id: I109a68f44db867b20f8c6a7732b0ce657133e52a
diff --git a/quic/core/quic_connection_stats.h b/quic/core/quic_connection_stats.h
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+// 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 packets sent in slow start.
+ QuicPacketCount slowstart_packets_sent;
+ // Number of packets lost exiting slow start.
+ QuicPacketCount slowstart_packets_lost;
+ // Number of bytes lost exiting slow start.
+ QuicByteCount slowstart_bytes_lost;
+
+ 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_
