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annotate src/event/quic/ngx_event_quic_frames.h @ 8994:e00295b76395 quic

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QUIC: revised ngx_quic_handle_datagram() error codes. The NGX_DECLINED is replaced with NGX_DONE to match closer to return code of ngx_quic_handle_packet() and ngx_quic_close_connection() rc argument. The ngx_quic_close_connection() rc code is used only when quic connection exists, thus anything goes if qc == NULL. The ngx_quic_handle_datagram() does not return NG_OK in cases when quic connection is not yet created.
author Vladimir Homutov <vl@nginx.com>
date Tue, 01 Feb 2022 14:35:31 +0300
parents 3789f4a56d65
children f9c788f3f5cc
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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 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 void ngx_quic_trim_chain(ngx_chain_t *in, size_t size);
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30 void ngx_quic_free_chain(ngx_connection_t *c, ngx_chain_t *in);
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31 ngx_chain_t *ngx_quic_read_chain(ngx_connection_t *c, ngx_chain_t **chain,
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32 off_t limit);
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33 ngx_chain_t *ngx_quic_write_chain(ngx_connection_t *c, ngx_chain_t **chain,
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34 ngx_chain_t *in, off_t limit, off_t offset, size_t *size);
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35
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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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42 #endif /* _NGX_EVENT_QUIC_FRAMES_H_INCLUDED_ */