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annotate src/event/quic/ngx_event_quic_output.h @ 9139:d7dec2970161

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QUIC: always add ACK frame to the queue head. Previously it was added to the tail as all other frames. However, if the amount of queued data is large, it could delay the delivery of ACK, which could trigger frames retransmissions and slow down the connection.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 10 Aug 2023 20:11:29 +0400
parents 501f28679d56
children 58afcd72446f
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bc910a5ec737 QUIC: separate files for output and ack 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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7 #ifndef _NGX_EVENT_QUIC_OUTPUT_H_INCLUDED_
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8 #define _NGX_EVENT_QUIC_OUTPUT_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 size_t ngx_quic_max_udp_payload(ngx_connection_t *c);
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17 ngx_int_t ngx_quic_output(ngx_connection_t *c);
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19 ngx_int_t ngx_quic_negotiate_version(ngx_connection_t *c,
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20 ngx_quic_header_t *inpkt);
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22 ngx_int_t ngx_quic_send_stateless_reset(ngx_connection_t *c,
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23 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
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24 ngx_int_t ngx_quic_send_cc(ngx_connection_t *c);
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25 ngx_int_t ngx_quic_send_early_cc(ngx_connection_t *c,
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26 ngx_quic_header_t *inpkt, ngx_uint_t err, const char *reason);
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28 ngx_int_t ngx_quic_send_retry(ngx_connection_t *c,
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29 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
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30 ngx_int_t ngx_quic_send_new_token(ngx_connection_t *c, ngx_quic_path_t *path);
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32 ngx_int_t ngx_quic_send_ack(ngx_connection_t *c,
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33 ngx_quic_send_ctx_t *ctx);
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34 ngx_int_t ngx_quic_send_ack_range(ngx_connection_t *c,
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35 ngx_quic_send_ctx_t *ctx, uint64_t smallest, uint64_t largest);
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36
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37 ngx_int_t ngx_quic_frame_sendto(ngx_connection_t *c, ngx_quic_frame_t *frame,
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38 size_t min, ngx_quic_path_t *path);
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40 #endif /* _NGX_EVENT_QUIC_OUTPUT_H_INCLUDED_ */