src/http/ngx_http_config.h

   1
   2 /*
   3  * Copyright (C) Igor Sysoev
   4  */
   5
   6
   7 #ifndef _NGX_HTTP_CONFIG_H_INCLUDED_
   8 #define _NGX_HTTP_CONFIG_H_INCLUDED_
   9
  10
  11 #include <ngx_config.h>
  12 #include <ngx_core.h>
  13 #include <ngx_http.h>
  14
  15
  16 typedef struct {
  17     void        **main_conf;
  18     void        **srv_conf;
  19     void        **loc_conf;
  20 } ngx_http_conf_ctx_t;
  21
  22
  23 typedef struct {
  24     ngx_int_t   (*preconfiguration)(ngx_conf_t *cf);
  25     ngx_int_t   (*postconfiguration)(ngx_conf_t *cf);
  26
  27     void       *(*create_main_conf)(ngx_conf_t *cf);
  28     char       *(*init_main_conf)(ngx_conf_t *cf, void *conf);
  29
  30     void       *(*create_srv_conf)(ngx_conf_t *cf);
  31     char       *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, void *conf);
  32
  33     void       *(*create_loc_conf)(ngx_conf_t *cf);
  34     char       *(*merge_loc_conf)(ngx_conf_t *cf, void *prev, void *conf);
  35 } ngx_http_module_t;
  36
  37
  38 #define NGX_HTTP_MODULE           0x50545448   /* "HTTP" */
  39
  40 #define NGX_HTTP_MAIN_CONF        0x02000000
  41 #define NGX_HTTP_SRV_CONF         0x04000000
  42 #define NGX_HTTP_LOC_CONF         0x08000000
  43 #define NGX_HTTP_UPS_CONF         0x10000000
  44 #define NGX_HTTP_SIF_CONF         0x20000000
  45 #define NGX_HTTP_LIF_CONF         0x40000000
  46 #define NGX_HTTP_LMT_CONF         0x80000000
  47
  48
  49 #define NGX_HTTP_MAIN_CONF_OFFSET  offsetof(ngx_http_conf_ctx_t, main_conf)
  50 #define NGX_HTTP_SRV_CONF_OFFSET   offsetof(ngx_http_conf_ctx_t, srv_conf)
  51 #define NGX_HTTP_LOC_CONF_OFFSET   offsetof(ngx_http_conf_ctx_t, loc_conf)
  52
  53
  54 #define ngx_http_get_module_main_conf(r, module)                             \
  55     (r)->main_conf[module.ctx_index]
  56 #define ngx_http_get_module_srv_conf(r, module)  (r)->srv_conf[module.ctx_index]
  57 #define ngx_http_get_module_loc_conf(r, module)  (r)->loc_conf[module.ctx_index]
  58
  59
  60 #define ngx_http_conf_get_module_main_conf(cf, module)                        \
  61     ((ngx_http_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index]
  62 #define ngx_http_conf_get_module_srv_conf(cf, module)                         \
  63     ((ngx_http_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index]
  64 #define ngx_http_conf_get_module_loc_conf(cf, module)                         \
  65     ((ngx_http_conf_ctx_t *) cf->ctx)->loc_conf[module.ctx_index]
  66
  67 #define ngx_http_cycle_get_module_main_conf(cycle, module)                    \
  68     (cycle->conf_ctx[ngx_http_module.index] ?                                 \
  69         ((ngx_http_conf_ctx_t *) cycle->conf_ctx[ngx_http_module.index])      \
  70             ->main_conf[module.ctx_index]:                                    \
  71         NULL)
  72
  73
  74 #endif /* _NGX_HTTP_CONFIG_H_INCLUDED_ */