Mercurial > hg > nginx-quic

view src/http/ngx_http_config.h @ 8945:043006e5a0b1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
SSL: optimized rotation of session ticket keys. Instead of syncing keys with shared memory on each ticket operation, the code now does this only when the worker is going to change expiration of the current key, or going to switch to a new key: that is, usually at most once per second. To do so without races, the code maintains 3 keys: current, previous, and next. If a worker will switch to the next key earlier, other workers will still be able to decrypt new tickets, since they will be encrypted with the next key.
author Maxim Dounin <mdounin@mdounin.ru>
date Wed, 12 Oct 2022 20:14:55 +0300
parents d620f497c50f
children
line wrap: on
line source


/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_HTTP_CONFIG_H_INCLUDED_
#define _NGX_HTTP_CONFIG_H_INCLUDED_


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


typedef struct {
    void        **main_conf;
    void        **srv_conf;
    void        **loc_conf;
} ngx_http_conf_ctx_t;


typedef struct {
    ngx_int_t   (*preconfiguration)(ngx_conf_t *cf);
    ngx_int_t   (*postconfiguration)(ngx_conf_t *cf);

    void       *(*create_main_conf)(ngx_conf_t *cf);
    char       *(*init_main_conf)(ngx_conf_t *cf, void *conf);

    void       *(*create_srv_conf)(ngx_conf_t *cf);
    char       *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, void *conf);

    void       *(*create_loc_conf)(ngx_conf_t *cf);
    char       *(*merge_loc_conf)(ngx_conf_t *cf, void *prev, void *conf);
} ngx_http_module_t;


#define NGX_HTTP_MODULE           0x50545448   /* "HTTP" */

#define NGX_HTTP_MAIN_CONF        0x02000000
#define NGX_HTTP_SRV_CONF         0x04000000
#define NGX_HTTP_LOC_CONF         0x08000000
#define NGX_HTTP_UPS_CONF         0x10000000
#define NGX_HTTP_SIF_CONF         0x20000000
#define NGX_HTTP_LIF_CONF         0x40000000
#define NGX_HTTP_LMT_CONF         0x80000000


#define NGX_HTTP_MAIN_CONF_OFFSET  offsetof(ngx_http_conf_ctx_t, main_conf)
#define NGX_HTTP_SRV_CONF_OFFSET   offsetof(ngx_http_conf_ctx_t, srv_conf)
#define NGX_HTTP_LOC_CONF_OFFSET   offsetof(ngx_http_conf_ctx_t, loc_conf)


#define ngx_http_get_module_main_conf(r, module)                             \
    (r)->main_conf[module.ctx_index]
#define ngx_http_get_module_srv_conf(r, module)  (r)->srv_conf[module.ctx_index]
#define ngx_http_get_module_loc_conf(r, module)  (r)->loc_conf[module.ctx_index]


#define ngx_http_conf_get_module_main_conf(cf, module)                        \
    ((ngx_http_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index]
#define ngx_http_conf_get_module_srv_conf(cf, module)                         \
    ((ngx_http_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index]
#define ngx_http_conf_get_module_loc_conf(cf, module)                         \
    ((ngx_http_conf_ctx_t *) cf->ctx)->loc_conf[module.ctx_index]

#define ngx_http_cycle_get_module_main_conf(cycle, module)                    \
    (cycle->conf_ctx[ngx_http_module.index] ?                                 \
        ((ngx_http_conf_ctx_t *) cycle->conf_ctx[ngx_http_module.index])      \
            ->main_conf[module.ctx_index]:                                    \
        NULL)


#endif /* _NGX_HTTP_CONFIG_H_INCLUDED_ */