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view src/http/modules/ngx_http_ssl_module.h @ 8338:0f9e9786b90d quic

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Added primitive flow control mechanisms. + MAX_STREAM_DATA frame is sent when recv() is performed on stream The new value is a sum of total bytes received by stream + free space in a buffer; The sending of MAX_STREM_DATA frame in response to STREAM_DATA_BLOCKED frame is adjusted to follow the same logic as above. + MAX_DATA frame is sent when total amount of received data is 2x of current limit. The limit is doubled. + Default values of transport parameters are adjusted to more meaningful values: initial stream limits are set to quic buffer size instead of unrealistically small 255. initial max data is decreased to 16 buffer sizes, in an assumption that this is enough for a relatively short connection, instead of randomly chosen big number. All this allows to initiate a stable flow of streams that does not block on stream/connection limits (tested with FF 77.0a1 and 100K requests)
author Vladimir Homutov <vl@nginx.com>
date Wed, 15 Apr 2020 18:54:03 +0300
parents 253cf267f95a
children 7995cd199b52
line wrap: on
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_HTTP_SSL_H_INCLUDED_
#define _NGX_HTTP_SSL_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>


typedef struct {
    ngx_flag_t                      enable;

    ngx_ssl_t                       ssl;

    ngx_flag_t                      prefer_server_ciphers;
    ngx_flag_t                      early_data;

    ngx_uint_t                      protocols;

    ngx_uint_t                      verify;
    ngx_uint_t                      verify_depth;

    size_t                          buffer_size;

    ssize_t                         builtin_session_cache;

    time_t                          session_timeout;

    ngx_array_t                    *certificates;
    ngx_array_t                    *certificate_keys;

    ngx_array_t                    *certificate_values;
    ngx_array_t                    *certificate_key_values;

    ngx_str_t                       dhparam;
    ngx_str_t                       ecdh_curve;
    ngx_str_t                       client_certificate;
    ngx_str_t                       trusted_certificate;
    ngx_str_t                       crl;

    ngx_str_t                       ciphers;

    ngx_array_t                    *passwords;

    ngx_shm_zone_t                 *shm_zone;

    ngx_flag_t                      session_tickets;
    ngx_array_t                    *session_ticket_keys;

    ngx_flag_t                      stapling;
    ngx_flag_t                      stapling_verify;
    ngx_str_t                       stapling_file;
    ngx_str_t                       stapling_responder;

    u_char                         *file;
    ngx_uint_t                      line;
} ngx_http_ssl_srv_conf_t;


extern ngx_module_t  ngx_http_ssl_module;


#endif /* _NGX_HTTP_SSL_H_INCLUDED_ */