1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef NET_QUIC_QUIC_STATS_H_
6#define NET_QUIC_QUIC_STATS_H_
7
8#include "base/basictypes.h"
9#include "net/base/net_export.h"
10
11namespace net {
12// TODO(satyamshekhar): Add more interesting stats:
13// 1. (C/S)HLO retransmission count.
14// 2. SHLO received to first stream packet processed time.
15// 3. CHLO sent to SHLO received time.
16// 4. Number of migrations.
17// 5. Number of out of order packets.
18// 6. Avg packet size.
19// 7. Number of connections that require more that 1-RTT.
20// 8. Avg number of streams / session.
21// 9. Number of duplicates received.
22// 10. Fraction of traffic sent/received that was not data (protocol overhead).
23// 11. Fraction of data transferred that was padding.
24
25// Structure to hold stats for a QuicConnection.
26struct NET_EXPORT_PRIVATE QuicConnectionStats {
27  QuicConnectionStats();
28  ~QuicConnectionStats();
29
30  uint64 bytes_sent;  // includes retransmissions, fec.
31  uint32 packets_sent;
32
33  uint64 bytes_received;  // includes duplicate data for a stream, fec.
34  uint32 packets_received;  // includes dropped packets
35
36  uint64 bytes_retransmitted;
37  uint32 packets_retransmitted;
38
39  uint32 packets_revived;
40  uint32 packets_dropped;  // duplicate or less than least unacked.
41  uint32 rto_count;
42
43  uint32 rtt;
44  uint64 estimated_bandwidth;
45  // TODO(satyamshekhar): Add window_size, mss and mtu.
46};
47
48}  // namespace net
49
50#endif  // NET_QUIC_QUIC_STATS_H_
51