1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* ngtcp2
*
* Copyright (c) 2019 ngtcp2 contributors
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef NGTCP2_QLOG_H
#define NGTCP2_QLOG_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <ngtcp2/ngtcp2.h>
#include "ngtcp2_pkt.h"
#include "ngtcp2_cc.h"
#include "ngtcp2_buf.h"
#include "ngtcp2_rtb.h"
/* NGTCP2_QLOG_BUFLEN is the length of heap allocated buffer for
qlog. */
#define NGTCP2_QLOG_BUFLEN 4096
typedef struct ngtcp2_qlog {
/* write is a callback function to write qlog. */
ngtcp2_qlog_write write;
/* ts is the initial timestamp */
ngtcp2_tstamp ts;
/* last_ts is the timestamp observed last time. */
ngtcp2_tstamp last_ts;
/* buf is a heap allocated buffer to write exclusively
packet_received and packet_sent. */
ngtcp2_buf buf;
/* user_data is an opaque pointer which is passed to write
callback. */
void *user_data;
} ngtcp2_qlog;
/*
* ngtcp2_qlog_init initializes |qlog|.
*/
void ngtcp2_qlog_init(ngtcp2_qlog *qlog, ngtcp2_qlog_write write,
ngtcp2_tstamp ts, void *user_data);
/*
* ngtcp2_qlog_start writes qlog preamble.
*/
void ngtcp2_qlog_start(ngtcp2_qlog *qlog, const ngtcp2_cid *odcid, int server);
/*
* ngtcp2_qlog_end writes closing part of qlog.
*/
void ngtcp2_qlog_end(ngtcp2_qlog *qlog);
/*
* ngtcp2_qlog_write_frame writes |fr| to qlog->buf.
* ngtcp2_qlog_pkt_received_start or ngtcp2_qlog_pkt_sent_start must
* be called before calling this function.
*/
void ngtcp2_qlog_write_frame(ngtcp2_qlog *qlog, const ngtcp2_frame *fr);
/*
* ngtcp2_qlog_pkt_received_start starts to write packet_received
* event. It initializes qlog->buf. It writes qlog to qlog->buf.
* ngtcp2_qlog_pkt_received_end will flush the content of qlog->buf to
* write callback.
*/
void ngtcp2_qlog_pkt_received_start(ngtcp2_qlog *qlog, const ngtcp2_pkt_hd *hd);
/*
* ngtcp2_qlog_pkt_received_end ends packet_received event and sends
* the content of qlog->buf to qlog->write callback.
*/
void ngtcp2_qlog_pkt_received_end(ngtcp2_qlog *qlog, const ngtcp2_pkt_hd *hd,
size_t pktlen);
/*
* ngtcp2_qlog_pkt_sent_start starts to write packet_sent event. It
* initializes qlog->buf. It writes qlog to qlog->buf.
* ngtcp2_qlog_pkt_sent_end will flush the content of qlog->buf to
* write callback.
*/
void ngtcp2_qlog_pkt_sent_start(ngtcp2_qlog *qlog, const ngtcp2_pkt_hd *hd);
/*
* ngtcp2_qlog_pkt_sent_end ends packet_sent event and sends the
* content of qlog->buf to qlog->write callback.
*/
void ngtcp2_qlog_pkt_sent_end(ngtcp2_qlog *qlog, const ngtcp2_pkt_hd *hd,
size_t pktlen);
/*
* ngtcp2_qlog_parameters_set_transport_params writes |params| to qlog
* as parameters_set event. If |local| is nonzero, it is "owner"
* field becomes "local", otherwise "remote".
*/
void ngtcp2_qlog_parameters_set_transport_params(
ngtcp2_qlog *qlog, const ngtcp2_transport_params *params, int local);
/*
* ngtcp2_qlog_metrics_updated writes metrics_updated event of
* recovery category.
*/
void ngtcp2_qlog_metrics_updated(ngtcp2_qlog *qlog,
const ngtcp2_rcvry_stat *rcs,
ngtcp2_cc_stat *ccs);
/*
* ngtcp2_qlog_pkt_lost writes packet_lost event.
*/
void ngtcp2_qlog_pkt_lost(ngtcp2_qlog *qlog, ngtcp2_rtb_entry *ent);
/* connection_id_updated */
#endif /* NGTCP2_QLOG_H */
|
