Mercurial > hg > nginx
annotate src/event/quic/ngx_event_quic_streams.h @ 9138:a90f79792b5d
QUIC: optimized ACK delay.
Previously ACK was not generated if max_ack_delay was not yet expired and the
number of unacknowledged ack-eliciting packets was less than two, as allowed by
RFC 9000 13.2.1-13.2.2. However this only makes sense to avoid sending ACK-only
packets, as explained by the RFC:
On the other hand, reducing the frequency of packets that carry only
acknowledgments reduces packet transmission and processing cost at both
endpoints.
Now ACK is delayed only if output frame queue is empty. Otherwise ACK is sent
immediately, which significantly improves QUIC performance with certain tests.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Thu, 27 Jul 2023 16:37:17 +0400 |
parents | d041b8d6ab0b |
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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5 |
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6 |
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7 #ifndef _NGX_EVENT_QUIC_STREAMS_H_INCLUDED_ |
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8 #define _NGX_EVENT_QUIC_STREAMS_H_INCLUDED_ |
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9 |
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10 |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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13 |
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14 |
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15 ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c, |
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16 ngx_quic_header_t *pkt, ngx_quic_frame_t *frame); |
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17 void ngx_quic_handle_stream_ack(ngx_connection_t *c, |
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18 ngx_quic_frame_t *f); |
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19 ngx_int_t ngx_quic_handle_max_data_frame(ngx_connection_t *c, |
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20 ngx_quic_max_data_frame_t *f); |
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21 ngx_int_t ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c, |
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22 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f); |
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23 ngx_int_t ngx_quic_handle_data_blocked_frame(ngx_connection_t *c, |
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24 ngx_quic_header_t *pkt, ngx_quic_data_blocked_frame_t *f); |
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25 ngx_int_t ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c, |
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26 ngx_quic_header_t *pkt, ngx_quic_stream_data_blocked_frame_t *f); |
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27 ngx_int_t ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c, |
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28 ngx_quic_header_t *pkt, ngx_quic_max_stream_data_frame_t *f); |
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29 ngx_int_t ngx_quic_handle_reset_stream_frame(ngx_connection_t *c, |
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30 ngx_quic_header_t *pkt, ngx_quic_reset_stream_frame_t *f); |
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31 ngx_int_t ngx_quic_handle_stop_sending_frame(ngx_connection_t *c, |
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32 ngx_quic_header_t *pkt, ngx_quic_stop_sending_frame_t *f); |
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33 ngx_int_t ngx_quic_handle_max_streams_frame(ngx_connection_t *c, |
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34 ngx_quic_header_t *pkt, ngx_quic_max_streams_frame_t *f); |
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35 |
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QUIC: refactored OCSP validation in preparation for 0-RTT support.
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36 ngx_int_t ngx_quic_init_streams(ngx_connection_t *c); |
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37 void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, |
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38 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); |
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39 ngx_quic_stream_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree, |
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40 uint64_t id); |
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41 ngx_int_t ngx_quic_close_streams(ngx_connection_t *c, |
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42 ngx_quic_connection_t *qc); |
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43 |
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44 #endif /* _NGX_EVENT_QUIC_STREAMS_H_INCLUDED_ */ |