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annotate src/http/v3/ngx_http_v3_uni.h @ 9161:4939fd04737f

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HTTP/3: postponed session creation to init() callback. Now the session object is assigned to c->data while ngx_http_connection_t object is referenced by its http_connection field, similar to ngx_http_v2_connection_t and ngx_http_request_t. The change allows to eliminate v3_session field from ngx_http_connection_t. The field was under NGX_HTTP_V3 macro, which was a source of binary compatibility problems when nginx/module is build with/without HTTP/3 support. Postponing is essential since c->data should retain the reference to ngx_http_connection_t object throughout QUIC handshake, because SSL callbacks ngx_http_ssl_servername() and ngx_http_ssl_alpn_select() rely on this.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 14 Sep 2023 14:13:43 +0400
parents f742b1b46901
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_UNI_H_INCLUDED_
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9 #define _NGX_HTTP_V3_UNI_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 void ngx_http_v3_init_uni_stream(ngx_connection_t *c);
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18 ngx_int_t ngx_http_v3_register_uni_stream(ngx_connection_t *c, uint64_t type);
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20 ngx_int_t ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id);
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22 ngx_int_t ngx_http_v3_send_settings(ngx_connection_t *c);
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23 ngx_int_t ngx_http_v3_send_goaway(ngx_connection_t *c, uint64_t id);
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24 ngx_int_t ngx_http_v3_send_ack_section(ngx_connection_t *c,
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25 ngx_uint_t stream_id);
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26 ngx_int_t ngx_http_v3_send_cancel_stream(ngx_connection_t *c,
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27 ngx_uint_t stream_id);
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28 ngx_int_t ngx_http_v3_send_inc_insert_count(ngx_connection_t *c,
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29 ngx_uint_t inc);
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32 #endif /* _NGX_HTTP_V3_UNI_H_INCLUDED_ */