Mercurial > hg > nginx
annotate src/event/quic/ngx_event_quic_frames.h @ 8822:ad046179eb91 quic
QUIC: handle EAGAIN properly on UDP sockets.
Previously, the error was ignored leading to unnecessary retransmits.
Now, unsent frames are returned into output queue, state is reset, and
timer is started for the next send attempt.
author | Vladimir Homutov <vl@nginx.com> |
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date | Wed, 28 Jul 2021 17:23:18 +0300 |
parents | b3f6ad181df4 |
children | 56dec0d4e5b1 |
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QUIC: separate files for frames related processing.
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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_FRAMES_H_INCLUDED_ |
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8 #define _NGX_EVENT_QUIC_FRAMES_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 typedef ngx_int_t (*ngx_quic_frame_handler_pt)(ngx_connection_t *c, |
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16 ngx_quic_frame_t *frame, void *data); |
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17 |
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18 |
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19 ngx_quic_frame_t *ngx_quic_alloc_frame(ngx_connection_t *c); |
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20 void ngx_quic_free_frame(ngx_connection_t *c, ngx_quic_frame_t *frame); |
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21 void ngx_quic_free_frames(ngx_connection_t *c, ngx_queue_t *frames); |
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22 void ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame); |
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23 ngx_int_t ngx_quic_split_frame(ngx_connection_t *c, ngx_quic_frame_t *f, |
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24 size_t len); |
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25 |
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26 ngx_chain_t *ngx_quic_alloc_buf(ngx_connection_t *c); |
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27 ngx_chain_t *ngx_quic_copy_buf(ngx_connection_t *c, u_char *data, |
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28 size_t len); |
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29 ngx_chain_t *ngx_quic_copy_chain(ngx_connection_t *c, ngx_chain_t *in, |
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30 size_t limit); |
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31 void ngx_quic_trim_bufs(ngx_chain_t *in, size_t size); |
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32 void ngx_quic_free_bufs(ngx_connection_t *c, ngx_chain_t *in); |
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33 ngx_int_t ngx_quic_order_bufs(ngx_connection_t *c, ngx_chain_t **out, |
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34 ngx_chain_t *in, size_t offset); |
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36 #if (NGX_DEBUG) |
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37 void ngx_quic_log_frame(ngx_log_t *log, ngx_quic_frame_t *f, ngx_uint_t tx); |
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38 #else |
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39 #define ngx_quic_log_frame(log, f, tx) |
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40 #endif |
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41 |
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42 #endif /* _NGX_EVENT_QUIC_FRAMES_H_INCLUDED_ */ |