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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NET_QUIC_QUIC_CONNECTION_STATS_H_ | 5 #ifndef NET_QUIC_QUIC_CONNECTION_STATS_H_ |
6 #define NET_QUIC_QUIC_CONNECTION_STATS_H_ | 6 #define NET_QUIC_QUIC_CONNECTION_STATS_H_ |
7 | 7 |
8 #include <ostream> | 8 #include <ostream> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "net/base/net_export.h" | 11 #include "net/base/net_export.h" |
12 #include "net/quic/quic_time.h" | 12 #include "net/quic/quic_time.h" |
13 | 13 |
14 namespace net { | 14 namespace net { |
15 // Structure to hold stats for a QuicConnection. | 15 // Structure to hold stats for a QuicConnection. |
16 struct NET_EXPORT_PRIVATE QuicConnectionStats { | 16 struct NET_EXPORT_PRIVATE QuicConnectionStats { |
17 QuicConnectionStats(); | 17 QuicConnectionStats(); |
18 ~QuicConnectionStats(); | 18 ~QuicConnectionStats(); |
19 | 19 |
20 NET_EXPORT_PRIVATE friend std::ostream& operator<<( | 20 NET_EXPORT_PRIVATE friend std::ostream& operator<<( |
21 std::ostream& os, const QuicConnectionStats& s); | 21 std::ostream& os, |
| 22 const QuicConnectionStats& s); |
22 | 23 |
23 uint64 bytes_sent; // Includes retransmissions, fec. | 24 uint64 bytes_sent; // Includes retransmissions, fec. |
24 uint32 packets_sent; | 25 uint32 packets_sent; |
25 uint64 stream_bytes_sent; // non-retransmitted bytes sent in a stream frame. | 26 uint64 stream_bytes_sent; // non-retransmitted bytes sent in a stream frame. |
26 uint32 packets_discarded; // Packets serialized and discarded before sending. | 27 uint32 packets_discarded; // Packets serialized and discarded before sending. |
27 | 28 |
28 // These include version negotiation and public reset packets, which do not | 29 // These include version negotiation and public reset packets, which do not |
29 // have sequence numbers or frame data. | 30 // have sequence numbers or frame data. |
30 uint64 bytes_received; // Includes duplicate data for a stream, fec. | 31 uint64 bytes_received; // Includes duplicate data for a stream, fec. |
31 uint32 packets_received; // Includes packets which were not processable. | 32 uint32 packets_received; // Includes packets which were not processable. |
32 uint32 packets_processed; // Excludes packets which were not processable. | 33 uint32 packets_processed; // Excludes packets which were not processable. |
33 uint64 stream_bytes_received; // Bytes received in a stream frame. | 34 uint64 stream_bytes_received; // Bytes received in a stream frame. |
34 | 35 |
35 uint64 bytes_retransmitted; | 36 uint64 bytes_retransmitted; |
36 uint32 packets_retransmitted; | 37 uint32 packets_retransmitted; |
37 | 38 |
38 uint64 bytes_spuriously_retransmitted; | 39 uint64 bytes_spuriously_retransmitted; |
39 uint32 packets_spuriously_retransmitted; | 40 uint32 packets_spuriously_retransmitted; |
40 // Number of packets abandoned as lost by the loss detection algorithm. | 41 // Number of packets abandoned as lost by the loss detection algorithm. |
41 uint32 packets_lost; | 42 uint32 packets_lost; |
42 uint32 slowstart_packets_lost; // Number of packets lost exiting slow start. | 43 uint32 slowstart_packets_lost; // Number of packets lost exiting slow start. |
43 | 44 |
44 uint32 packets_revived; | 45 uint32 packets_revived; |
45 uint32 packets_dropped; // Duplicate or less than least unacked. | 46 uint32 packets_dropped; // Duplicate or less than least unacked. |
46 uint32 crypto_retransmit_count; | 47 uint32 crypto_retransmit_count; |
47 // Count of times the loss detection alarm fired. At least one packet should | 48 // Count of times the loss detection alarm fired. At least one packet should |
48 // be lost when the alarm fires. | 49 // be lost when the alarm fires. |
49 uint32 loss_timeout_count; | 50 uint32 loss_timeout_count; |
50 uint32 tlp_count; | 51 uint32 tlp_count; |
51 uint32 rto_count; // Count of times the rto timer fired. | 52 uint32 rto_count; // Count of times the rto timer fired. |
52 | 53 |
53 uint32 min_rtt_us; // Minimum RTT in microseconds. | 54 uint32 min_rtt_us; // Minimum RTT in microseconds. |
54 uint32 srtt_us; // Smoothed RTT in microseconds. | 55 uint32 srtt_us; // Smoothed RTT in microseconds. |
55 uint32 max_packet_size; // In bytes. | 56 uint32 max_packet_size; // In bytes. |
56 uint64 estimated_bandwidth; // In bytes per second. | 57 uint64 estimated_bandwidth; // In bytes per second. |
57 uint32 congestion_window; // In bytes | 58 uint32 congestion_window; // In bytes |
58 | 59 |
59 // Reordering stats for received packets. | 60 // Reordering stats for received packets. |
60 // Number of packets received out of sequence number order. | 61 // Number of packets received out of sequence number order. |
61 uint32 packets_reordered; | 62 uint32 packets_reordered; |
62 // Maximum reordering observed in sequence space. | 63 // Maximum reordering observed in sequence space. |
63 uint32 max_sequence_reordering; | 64 uint32 max_sequence_reordering; |
64 // Maximum reordering observed in microseconds | 65 // Maximum reordering observed in microseconds |
65 uint32 max_time_reordering_us; | 66 uint32 max_time_reordering_us; |
66 | 67 |
67 // The following stats are used only in TcpCubicSender. | 68 // The following stats are used only in TcpCubicSender. |
68 // The number of loss events from TCP's perspective. Each loss event includes | 69 // The number of loss events from TCP's perspective. Each loss event includes |
69 // one or more lost packets. | 70 // one or more lost packets. |
70 uint32 tcp_loss_events; | 71 uint32 tcp_loss_events; |
71 // Total amount of cwnd increase by TCPCubic in congestion avoidance. | 72 // Total amount of cwnd increase by TCPCubic in congestion avoidance. |
72 uint32 cwnd_increase_congestion_avoidance; | 73 uint32 cwnd_increase_congestion_avoidance; |
73 // Total amount of cwnd increase by TCPCubic in cubic mode. | 74 // Total amount of cwnd increase by TCPCubic in cubic mode. |
74 uint32 cwnd_increase_cubic_mode; | 75 uint32 cwnd_increase_cubic_mode; |
75 | 76 |
76 // Creation time, as reported by the QuicClock. | 77 // Creation time, as reported by the QuicClock. |
77 QuicTime connection_creation_time; | 78 QuicTime connection_creation_time; |
78 }; | 79 }; |
79 | 80 |
80 } // namespace net | 81 } // namespace net |
81 | 82 |
82 #endif // NET_QUIC_QUIC_CONNECTION_STATS_H_ | 83 #endif // NET_QUIC_QUIC_CONNECTION_STATS_H_ |
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