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 3 // found in the LICENSE file. 4 5 #ifndef NET_QUIC_QUIC_CONNECTION_STATS_H_ 6 #define NET_QUIC_QUIC_CONNECTION_STATS_H_ 7 8 #include <ostream> 9 10 #include "base/basictypes.h" 11 #include "net/base/net_export.h" 12 13 namespace net { 14 // TODO(satyamshekhar): Add more interesting stats: 15 // 1. (C/S)HLO retransmission count. 16 // 2. SHLO received to first stream packet processed time. 17 // 3. CHLO sent to SHLO received time. 18 // 4. Number of migrations. 19 // 5. Number of out of order packets. 20 // 6. Number of connections that require more that 1-RTT. 21 // 7. Avg number of streams / session. 22 // 8. Number of duplicates received. 23 // 9. Fraction of data transferred that was padding. 24 25 // Structure to hold stats for a QuicConnection. 26 struct NET_EXPORT_PRIVATE QuicConnectionStats { 27 QuicConnectionStats(); 28 ~QuicConnectionStats(); 29 30 NET_EXPORT_PRIVATE friend std::ostream& operator<<( 31 std::ostream& os, const QuicConnectionStats& s); 32 33 uint64 bytes_sent; // includes retransmissions, fec. 34 uint32 packets_sent; 35 uint64 stream_bytes_sent; // non-retransmitted bytes sent in a stream frame. 36 37 uint64 bytes_received; // includes duplicate data for a stream, fec. 38 uint32 packets_received; // includes dropped packets 39 uint64 stream_bytes_received; // bytes received in a stream frame. 40 41 uint64 bytes_retransmitted; 42 uint32 packets_retransmitted; 43 44 uint32 packets_revived; 45 uint32 packets_dropped; // duplicate or less than least unacked. 46 uint32 rto_count; 47 48 uint32 rtt; // In microseconds 49 uint64 estimated_bandwidth; 50 // TODO(satyamshekhar): Add window_size, mss and mtu. 51 }; 52 53 } // namespace net 54 55 #endif // NET_QUIC_QUIC_CONNECTION_STATS_H_ 56