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
|
/*
* include/proto/quic_cc.h
* This file contains prototypes for QUIC congestion control.
*
* Copyright 2019 HAProxy Technologies, Frederic Lecaille <flecaille@haproxy.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _PROTO_QUIC_CC_H
#define _PROTO_QUIC_CC_H
#ifdef USE_QUIC
#ifndef USE_OPENSSL
#error "Must define USE_OPENSSL"
#endif
#include <haproxy/api.h>
#include <haproxy/buf.h>
#include <haproxy/chunk.h>
#include <haproxy/quic_cc-t.h>
#include <haproxy/quic_conn-t.h>
void quic_cc_init(struct quic_cc *cc, struct quic_cc_algo *algo, struct quic_conn *qc);
void quic_cc_event(struct quic_cc *cc, struct quic_cc_event *ev);
void quic_cc_state_trace(struct buffer *buf, const struct quic_cc *cc);
static inline const char *quic_cc_state_str(enum quic_cc_algo_state_type state)
{
switch (state) {
case QUIC_CC_ST_SS:
return "ss";
case QUIC_CC_ST_CA:
return "ca";
case QUIC_CC_ST_RP:
return "rp";
default:
return "unknown";
}
}
/* Return a human readable string from <ev> control congestion event type. */
static inline void quic_cc_event_trace(struct buffer *buf, const struct quic_cc_event *ev)
{
chunk_appendf(buf, " event=");
switch (ev->type) {
case QUIC_CC_EVT_ACK:
chunk_appendf(buf, "ack acked=%llu time_sent:%dms",
(unsigned long long)ev->ack.acked, TICKS_TO_MS(tick_remain(ev->ack.time_sent, now_ms)));
break;
case QUIC_CC_EVT_LOSS:
chunk_appendf(buf, "loss time_sent=%dms", TICKS_TO_MS(tick_remain(ev->loss.time_sent, now_ms)));
break;
case QUIC_CC_EVT_ECN_CE:
chunk_appendf(buf, "ecn_ce");
break;
}
}
static inline void *quic_cc_priv(const struct quic_cc *cc)
{
return (void *)cc->priv;
}
#endif /* USE_QUIC */
#endif /* _PROTO_QUIC_CC_H */
|
