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acc9cfdf79
Display the elapsed time since packets were sent in place of the timestamp which do not bring easy to read information. Must be backported to 2.7.
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/*
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* include/proto/quic_cc.h
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* This file contains prototypes for QUIC congestion control.
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*
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* Copyright 2019 HAProxy Technologies, Frederic Lecaille <flecaille@haproxy.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _PROTO_QUIC_CC_H
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#define _PROTO_QUIC_CC_H
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#ifdef USE_QUIC
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#ifndef USE_OPENSSL
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#error "Must define USE_OPENSSL"
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#endif
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#include <haproxy/api.h>
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#include <haproxy/buf.h>
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#include <haproxy/chunk.h>
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#include <haproxy/quic_cc-t.h>
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#include <haproxy/quic_conn-t.h>
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void quic_cc_init(struct quic_cc *cc, struct quic_cc_algo *algo, struct quic_conn *qc);
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void quic_cc_event(struct quic_cc *cc, struct quic_cc_event *ev);
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void quic_cc_state_trace(struct buffer *buf, const struct quic_cc *cc);
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static inline const char *quic_cc_state_str(enum quic_cc_algo_state_type state)
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{
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switch (state) {
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case QUIC_CC_ST_SS:
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return "ss";
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case QUIC_CC_ST_CA:
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return "ca";
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case QUIC_CC_ST_RP:
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return "rp";
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default:
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return "unknown";
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}
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}
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/* Return a human readable string from <ev> control congestion event type. */
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static inline void quic_cc_event_trace(struct buffer *buf, const struct quic_cc_event *ev)
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{
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chunk_appendf(buf, " event=");
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switch (ev->type) {
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case QUIC_CC_EVT_ACK:
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chunk_appendf(buf, "ack acked=%llu time_sent:%dms",
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(unsigned long long)ev->ack.acked, TICKS_TO_MS(tick_remain(ev->ack.time_sent, now_ms)));
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break;
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case QUIC_CC_EVT_LOSS:
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chunk_appendf(buf, "loss time_sent=%dms", TICKS_TO_MS(tick_remain(ev->loss.time_sent, now_ms)));
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break;
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case QUIC_CC_EVT_ECN_CE:
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chunk_appendf(buf, "ecn_ce");
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break;
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}
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}
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static inline void *quic_cc_priv(const struct quic_cc *cc)
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{
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return (void *)cc->priv;
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}
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#endif /* USE_QUIC */
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#endif /* _PROTO_QUIC_CC_H */
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