annotate src/event/quic/ngx_event_quic_frames.h @ 9192:efcdaa66df2e

QUIC: congestion control in ngx_quic_frame_sendto(). Previously ngx_quic_frame_sendto() ignored congestion control and did not contribute to in_flight counter. Now congestion control window is checked unless ignore_congestion flag is set. Also, in_flight counter is incremented and the frame is stored in ctx->sent queue if it's ack-eliciting. This behavior is now similar to ngx_quic_output_packet().
author Roman Arutyunyan <arut@nginx.com>
date Wed, 29 Nov 2023 21:41:29 +0400
parents 3c98fa8fef6f
children
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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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7 #ifndef _NGX_EVENT_QUIC_FRAMES_H_INCLUDED_
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8 #define _NGX_EVENT_QUIC_FRAMES_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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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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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_chain(ngx_connection_t *c);
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27 void ngx_quic_free_chain(ngx_connection_t *c, ngx_chain_t *in);
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29 ngx_chain_t *ngx_quic_copy_buffer(ngx_connection_t *c, u_char *data,
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30 size_t len);
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31 ngx_chain_t *ngx_quic_read_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb,
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32 uint64_t limit);
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33 ngx_chain_t *ngx_quic_write_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb,
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34 ngx_chain_t *in, uint64_t limit, uint64_t offset);
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35 void ngx_quic_skip_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb,
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36 uint64_t offset);
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37 void ngx_quic_free_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb);
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39 #if (NGX_DEBUG)
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40 void ngx_quic_log_frame(ngx_log_t *log, ngx_quic_frame_t *f, ngx_uint_t tx);
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41 #else
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42 #define ngx_quic_log_frame(log, f, tx)
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43 #endif
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45 #endif /* _NGX_EVENT_QUIC_FRAMES_H_INCLUDED_ */