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annotate src/http/v3/ngx_http_v3_encode.h @ 8903:0d3bf08eaac0 quic

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HTTP/3: allowed QUIC stream connection reuse. A QUIC stream connection is treated as reusable until first bytes of request arrive, which is also when the request object is now allocated. A connection closed as a result of draining, is reset with the error code H3_REQUEST_REJECTED. Such behavior is allowed by quic-http-34: Once a request stream has been opened, the request MAY be cancelled by either endpoint. Clients cancel requests if the response is no longer of interest; servers cancel requests if they are unable to or choose not to respond. When the server cancels a request without performing any application processing, the request is considered "rejected." The server SHOULD abort its response stream with the error code H3_REQUEST_REJECTED. The client can treat requests rejected by the server as though they had never been sent at all, thereby allowing them to be retried later.
author Roman Arutyunyan <arut@nginx.com>
date Mon, 18 Oct 2021 15:47:06 +0300
parents 0ac25efb2da3
children
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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_ENCODE_H_INCLUDED_
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9 #define _NGX_HTTP_V3_ENCODE_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 uintptr_t ngx_http_v3_encode_varlen_int(u_char *p, uint64_t value);
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18 uintptr_t ngx_http_v3_encode_prefix_int(u_char *p, uint64_t value,
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19 ngx_uint_t prefix);
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21 uintptr_t ngx_http_v3_encode_field_section_prefix(u_char *p,
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22 ngx_uint_t insert_count, ngx_uint_t sign, ngx_uint_t delta_base);
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23 uintptr_t ngx_http_v3_encode_field_ri(u_char *p, ngx_uint_t dynamic,
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24 ngx_uint_t index);
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25 uintptr_t ngx_http_v3_encode_field_lri(u_char *p, ngx_uint_t dynamic,
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26 ngx_uint_t index, u_char *data, size_t len);
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27 uintptr_t ngx_http_v3_encode_field_l(u_char *p, ngx_str_t *name,
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28 ngx_str_t *value);
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29 uintptr_t ngx_http_v3_encode_field_pbi(u_char *p, ngx_uint_t index);
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30 uintptr_t ngx_http_v3_encode_field_lpbi(u_char *p, ngx_uint_t index,
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31 u_char *data, size_t len);
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34 #endif /* _NGX_HTTP_V3_ENCODE_H_INCLUDED_ */