3 * Copyright (C) Igor Sysoev
7 #ifndef _NGX_HTTP_CORE_H_INCLUDED_
8 #define _NGX_HTTP_CORE_H_INCLUDED_
11 #include <ngx_config.h>
16 #define NGX_HTTP_GZIP_PROXIED_OFF 0x0002
17 #define NGX_HTTP_GZIP_PROXIED_EXPIRED 0x0004
18 #define NGX_HTTP_GZIP_PROXIED_NO_CACHE 0x0008
19 #define NGX_HTTP_GZIP_PROXIED_NO_STORE 0x0010
20 #define NGX_HTTP_GZIP_PROXIED_PRIVATE 0x0020
21 #define NGX_HTTP_GZIP_PROXIED_NO_LM 0x0040
22 #define NGX_HTTP_GZIP_PROXIED_NO_ETAG 0x0080
23 #define NGX_HTTP_GZIP_PROXIED_AUTH 0x0100
24 #define NGX_HTTP_GZIP_PROXIED_ANY 0x0200
27 #define NGX_HTTP_SATISFY_ALL 0
28 #define NGX_HTTP_SATISFY_ANY 1
31 typedef struct ngx_http_location_tree_node_s ngx_http_location_tree_node_t;
32 typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
36 unsigned default_server:1;
46 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
49 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
50 ngx_uint_t deferred_accept;
53 u_char addr[NGX_INET_ADDRSTRLEN + sizeof(":65535")];
55 } ngx_http_listen_conf_t;
66 ngx_http_listen_conf_t conf;
71 NGX_HTTP_POST_READ_PHASE = 0,
73 NGX_HTTP_SERVER_REWRITE_PHASE,
75 NGX_HTTP_FIND_CONFIG_PHASE,
76 NGX_HTTP_REWRITE_PHASE,
77 NGX_HTTP_POST_REWRITE_PHASE,
79 NGX_HTTP_PREACCESS_PHASE,
81 NGX_HTTP_ACCESS_PHASE,
82 NGX_HTTP_POST_ACCESS_PHASE,
84 NGX_HTTP_TRY_FILES_PHASE,
85 NGX_HTTP_CONTENT_PHASE,
90 typedef struct ngx_http_phase_handler_s ngx_http_phase_handler_t;
92 typedef ngx_int_t (*ngx_http_phase_handler_pt)(ngx_http_request_t *r,
93 ngx_http_phase_handler_t *ph);
95 struct ngx_http_phase_handler_s {
96 ngx_http_phase_handler_pt checker;
97 ngx_http_handler_pt handler;
103 ngx_http_phase_handler_t *handlers;
104 ngx_uint_t server_rewrite_index;
105 ngx_uint_t location_rewrite_index;
106 } ngx_http_phase_engine_t;
110 ngx_array_t handlers;
115 ngx_array_t servers; /* ngx_http_core_srv_conf_t */
117 ngx_http_phase_engine_t phase_engine;
119 ngx_hash_t headers_in_hash;
121 ngx_hash_t variables_hash;
123 ngx_array_t variables; /* ngx_http_variable_t */
125 ngx_uint_t server_names_hash_max_size;
126 ngx_uint_t server_names_hash_bucket_size;
128 ngx_uint_t variables_hash_max_size;
129 ngx_uint_t variables_hash_bucket_size;
131 ngx_hash_keys_arrays_t *variables_keys;
133 ngx_uint_t try_files; /* unsigned try_files:1 */
135 ngx_http_phase_t phases[NGX_HTTP_LOG_PHASE + 1];
136 } ngx_http_core_main_conf_t;
140 /* array of the ngx_http_listen_t, "listen" directive */
143 /* array of the ngx_http_server_name_t, "server_name" directive */
144 ngx_array_t server_names;
147 ngx_http_conf_ctx_t *ctx;
149 ngx_str_t server_name;
151 size_t connection_pool_size;
152 size_t request_pool_size;
153 size_t client_header_buffer_size;
155 ngx_bufs_t large_client_header_buffers;
157 ngx_msec_t client_header_timeout;
159 ngx_flag_t ignore_invalid_headers;
160 ngx_flag_t merge_slashes;
161 ngx_flag_t underscores_in_headers;
163 ngx_http_core_loc_conf_t **named_locations;
164 } ngx_http_core_srv_conf_t;
167 /* list of structures to find core_srv_conf quickly at run time */
173 /* the default server configuration for this address:port */
174 ngx_http_core_srv_conf_t *core_srv_conf;
176 ngx_http_virtual_names_t *virtual_names;
179 ngx_uint_t ssl; /* unsigned ssl:1; */
181 } ngx_http_in_addr_t;
187 ngx_http_in_addr_t *addrs;
189 } ngx_http_in_port_t;
194 ngx_array_t addrs; /* array of ngx_http_conf_in_addr_t */
195 } ngx_http_conf_in_port_t;
202 ngx_hash_wildcard_t *wc_head;
203 ngx_hash_wildcard_t *wc_tail;
205 ngx_array_t names; /* array of ngx_http_server_name_t */
209 ngx_http_server_name_t *regex;
212 /* the default server configuration for this address:port */
213 ngx_http_core_srv_conf_t *core_srv_conf;
215 unsigned default_server:1;
221 ngx_http_listen_conf_t *listen_conf;
222 } ngx_http_conf_in_addr_t;
225 struct ngx_http_server_name_s {
229 ngx_http_core_srv_conf_t *core_srv_conf; /* virtual name server conf */
239 ngx_array_t *uri_lengths;
240 ngx_array_t *uri_values;
241 } ngx_http_err_page_t;
245 ngx_array_t *lengths;
248 ngx_uint_t test_dir; /* unsigned test_dir:1; */
249 } ngx_http_try_file_t;
252 struct ngx_http_core_loc_conf_s {
253 ngx_str_t name; /* location name */
259 unsigned noname:1; /* "if () {}" block or limit_except */
262 unsigned exact_match:1;
265 unsigned auto_redirect:1;
268 unsigned gzip_disable_msie6:2;
271 ngx_http_location_tree_node_t *static_locations;
272 ngx_http_core_loc_conf_t **regex_locations;
274 /* pointer to the modules' loc_conf */
277 uint32_t limit_except;
278 void **limit_except_loc_conf;
280 ngx_http_handler_pt handler;
282 ngx_str_t root; /* root, alias */
283 ngx_str_t post_action;
285 ngx_array_t *root_lengths;
286 ngx_array_t *root_values;
289 ngx_hash_t types_hash;
290 ngx_str_t default_type;
292 off_t client_max_body_size; /* client_max_body_size */
293 off_t directio; /* directio */
295 size_t client_body_buffer_size; /* client_body_buffer_size */
296 size_t send_lowat; /* send_lowat */
297 size_t postpone_output; /* postpone_output */
298 size_t limit_rate; /* limit_rate */
299 size_t sendfile_max_chunk; /* sendfile_max_chunk */
301 ngx_msec_t client_body_timeout; /* client_body_timeout */
302 ngx_msec_t send_timeout; /* send_timeout */
303 ngx_msec_t keepalive_timeout; /* keepalive_timeout */
304 ngx_msec_t lingering_time; /* lingering_time */
305 ngx_msec_t lingering_timeout; /* lingering_timeout */
306 ngx_msec_t resolver_timeout; /* resolver_timeout */
308 ngx_resolver_t *resolver; /* resolver */
310 time_t keepalive_header; /* keepalive_timeout */
312 ngx_uint_t satisfy; /* satisfy */
313 ngx_uint_t if_modified_since; /* if_modified_since */
315 ngx_flag_t internal; /* internal */
316 ngx_flag_t client_body_in_file_only; /* client_body_in_file_only */
317 ngx_flag_t sendfile; /* sendfile */
318 ngx_flag_t tcp_nopush; /* tcp_nopush */
319 ngx_flag_t tcp_nodelay; /* tcp_nodelay */
320 ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
321 ngx_flag_t server_name_in_redirect; /* server_name_in_redirect */
322 ngx_flag_t port_in_redirect; /* port_in_redirect */
323 ngx_flag_t msie_padding; /* msie_padding */
324 ngx_flag_t msie_refresh; /* msie_refresh */
325 ngx_flag_t log_not_found; /* log_not_found */
326 ngx_flag_t log_subrequest; /* log_subrequest */
327 ngx_flag_t recursive_error_pages; /* recursive_error_pages */
328 ngx_flag_t server_tokens; /* server_tokens */
331 ngx_flag_t gzip_vary; /* gzip_vary */
333 ngx_uint_t gzip_http_version; /* gzip_http_version */
334 ngx_uint_t gzip_proxied; /* gzip_proxied */
337 ngx_array_t *gzip_disable; /* gzip_disable */
341 ngx_array_t *error_pages; /* error_page */
342 ngx_http_try_file_t *try_files; /* try_files */
344 ngx_path_t *client_body_temp_path; /* client_body_temp_path */
346 ngx_open_file_cache_t *open_file_cache;
347 time_t open_file_cache_valid;
348 ngx_uint_t open_file_cache_min_uses;
349 ngx_flag_t open_file_cache_errors;
350 ngx_flag_t open_file_cache_events;
354 ngx_uint_t types_hash_max_size;
355 ngx_uint_t types_hash_bucket_size;
357 ngx_queue_t *locations;
360 ngx_http_core_loc_conf_t *prev_location;
367 ngx_http_core_loc_conf_t *exact;
368 ngx_http_core_loc_conf_t *inclusive;
373 } ngx_http_location_queue_t;
376 struct ngx_http_location_tree_node_s {
377 ngx_http_location_tree_node_t *left;
378 ngx_http_location_tree_node_t *right;
379 ngx_http_location_tree_node_t *tree;
381 ngx_http_core_loc_conf_t *exact;
382 ngx_http_core_loc_conf_t *inclusive;
384 u_char auto_redirect;
390 void ngx_http_core_run_phases(ngx_http_request_t *r);
391 ngx_int_t ngx_http_core_generic_phase(ngx_http_request_t *r,
392 ngx_http_phase_handler_t *ph);
393 ngx_int_t ngx_http_core_find_config_phase(ngx_http_request_t *r,
394 ngx_http_phase_handler_t *ph);
395 ngx_int_t ngx_http_core_post_rewrite_phase(ngx_http_request_t *r,
396 ngx_http_phase_handler_t *ph);
397 ngx_int_t ngx_http_core_access_phase(ngx_http_request_t *r,
398 ngx_http_phase_handler_t *ph);
399 ngx_int_t ngx_http_core_post_access_phase(ngx_http_request_t *r,
400 ngx_http_phase_handler_t *ph);
401 ngx_int_t ngx_http_core_try_files_phase(ngx_http_request_t *r,
402 ngx_http_phase_handler_t *ph);
403 ngx_int_t ngx_http_core_content_phase(ngx_http_request_t *r,
404 ngx_http_phase_handler_t *ph);
407 void *ngx_http_test_content_type(ngx_http_request_t *r, ngx_hash_t *types_hash);
408 ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
409 ngx_int_t ngx_http_set_exten(ngx_http_request_t *r);
410 u_char *ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *name,
411 size_t *root_length, size_t reserved);
412 ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
413 ngx_int_t ngx_http_server_addr(ngx_http_request_t *r, ngx_str_t *s);
415 ngx_int_t ngx_http_gzip_ok(ngx_http_request_t *r);
419 ngx_int_t ngx_http_subrequest(ngx_http_request_t *r,
420 ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **sr,
421 ngx_http_post_subrequest_t *psr, ngx_uint_t flags);
422 ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
423 ngx_str_t *uri, ngx_str_t *args);
424 ngx_int_t ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name);
427 ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size);
430 typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
431 typedef ngx_int_t (*ngx_http_output_body_filter_pt)
432 (ngx_http_request_t *r, ngx_chain_t *chain);
435 ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
436 ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
439 extern ngx_module_t ngx_http_core_module;
441 extern ngx_uint_t ngx_http_max_module;
444 #define ngx_http_clear_content_length(r) \
446 r->headers_out.content_length_n = -1; \
447 if (r->headers_out.content_length) { \
448 r->headers_out.content_length->hash = 0; \
449 r->headers_out.content_length = NULL; \
452 #define ngx_http_clear_accept_ranges(r) \
454 r->allow_ranges = 0; \
455 if (r->headers_out.accept_ranges) { \
456 r->headers_out.accept_ranges->hash = 0; \
457 r->headers_out.accept_ranges = NULL; \
460 #define ngx_http_clear_last_modified(r) \
462 r->headers_out.last_modified_time = -1; \
463 if (r->headers_out.last_modified) { \
464 r->headers_out.last_modified->hash = 0; \
465 r->headers_out.last_modified = NULL; \
469 #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */