| // 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 NET_QUIC_QUIC_CONNECTION_STATS_H_ |
| #define NET_QUIC_QUIC_CONNECTION_STATS_H_ |
| |
| #include <ostream> |
| |
| #include "base/basictypes.h" |
| #include "net/base/net_export.h" |
| #include "net/quic/quic_time.h" |
| |
| namespace net { |
| // Structure to hold stats for a QuicConnection. |
| struct NET_EXPORT_PRIVATE QuicConnectionStats { |
| QuicConnectionStats(); |
| ~QuicConnectionStats(); |
| |
| NET_EXPORT_PRIVATE friend std::ostream& operator<<( |
| std::ostream& os, const QuicConnectionStats& s); |
| |
| uint64 bytes_sent; // Includes retransmissions, fec. |
| uint32 packets_sent; |
| uint64 stream_bytes_sent; // non-retransmitted bytes sent in a stream frame. |
| uint32 packets_discarded; // Packets serialized and discarded before sending. |
| |
| // These include version negotiation and public reset packets, which do not |
| // have sequence numbers or frame data. |
| uint64 bytes_received; // Includes duplicate data for a stream, fec. |
| uint32 packets_received; // Includes packets which were not processable. |
| uint32 packets_processed; // Excludes packets which were not processable. |
| uint64 stream_bytes_received; // Bytes received in a stream frame. |
| |
| uint64 bytes_retransmitted; |
| uint32 packets_retransmitted; |
| |
| uint64 bytes_spuriously_retransmitted; |
| uint32 packets_spuriously_retransmitted; |
| // Number of packets abandoned as lost by the loss detection algorithm. |
| uint32 packets_lost; |
| uint32 slowstart_packets_lost; // Number of packets lost exiting slow start. |
| |
| uint32 packets_revived; |
| uint32 packets_dropped; // Duplicate or less than least unacked. |
| uint32 crypto_retransmit_count; |
| // Count of times the loss detection alarm fired. At least one packet should |
| // be lost when the alarm fires. |
| uint32 loss_timeout_count; |
| uint32 tlp_count; |
| uint32 rto_count; // Count of times the rto timer fired. |
| |
| uint32 min_rtt_us; // Minimum RTT in microseconds. |
| uint32 srtt_us; // Smoothed RTT in microseconds. |
| uint32 max_packet_size; // In bytes. |
| uint64 estimated_bandwidth; // In bytes per second. |
| uint32 congestion_window; // In bytes |
| |
| // Reordering stats for received packets. |
| // Number of packets received out of sequence number order. |
| uint32 packets_reordered; |
| // Maximum reordering observed in sequence space. |
| uint32 max_sequence_reordering; |
| // Maximum reordering observed in microseconds |
| uint32 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 tcp_loss_events; |
| // Total amount of cwnd increase by TCPCubic in congestion avoidance. |
| uint32 cwnd_increase_congestion_avoidance; |
| // Total amount of cwnd increase by TCPCubic in cubic mode. |
| uint32 cwnd_increase_cubic_mode; |
| |
| // Creation time, as reported by the QuicClock. |
| QuicTime connection_creation_time; |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_QUIC_QUIC_CONNECTION_STATS_H_ |