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annotate src/http/v3/ngx_http_v3_tables.h @ 8906:41caf5410110 quic

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QUIC: reject streams which we could not create. The reasons why a stream may not be created by server currently include hitting worker_connections limit and memory allocation error. Previously in these cases the entire QUIC connection was closed and all its streams were shut down. Now the new stream is rejected and existing streams continue working. To reject an HTTP/3 request stream, RESET_STREAM and STOP_SENDING with H3_REQUEST_REJECTED error code are sent to client. HTTP/3 uni streams and Stream streams are not rejected.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 11 Nov 2021 19:07:00 +0300
parents 0ac25efb2da3
children
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1
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2 /*
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3 * Copyright (C) Roman Arutyunyan
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_HTTP_V3_TABLES_H_INCLUDED_
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9 #define _NGX_HTTP_V3_TABLES_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_http.h>
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17 typedef struct {
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18 ngx_str_t name;
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19 ngx_str_t value;
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20 } ngx_http_v3_field_t;
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23 typedef struct {
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24 ngx_http_v3_field_t **elts;
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25 ngx_uint_t nelts;
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26 ngx_uint_t base;
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27 size_t size;
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28 size_t capacity;
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29 } ngx_http_v3_dynamic_table_t;
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31
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32 void ngx_http_v3_cleanup_table(ngx_http_v3_session_t *h3c);
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33 ngx_int_t ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic,
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34 ngx_uint_t index, ngx_str_t *value);
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35 ngx_int_t ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name,
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36 ngx_str_t *value);
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37 ngx_int_t ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity);
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38 ngx_int_t ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index);
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39 ngx_int_t ngx_http_v3_ack_section(ngx_connection_t *c, ngx_uint_t stream_id);
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40 ngx_int_t ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc);
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41 ngx_int_t ngx_http_v3_lookup_static(ngx_connection_t *c, ngx_uint_t index,
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42 ngx_str_t *name, ngx_str_t *value);
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43 ngx_int_t ngx_http_v3_lookup(ngx_connection_t *c, ngx_uint_t index,
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44 ngx_str_t *name, ngx_str_t *value);
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45 ngx_int_t ngx_http_v3_decode_insert_count(ngx_connection_t *c,
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46 ngx_uint_t *insert_count);
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47 ngx_int_t ngx_http_v3_check_insert_count(ngx_connection_t *c,
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48 ngx_uint_t insert_count);
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49 ngx_int_t ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id,
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50 uint64_t value);
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53 #endif /* _NGX_HTTP_V3_TABLES_H_INCLUDED_ */