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/*
* Copyright (C) Igor Sysoev
*/
#ifndef _NGX_HTTP_CORE_H_INCLUDED_
#define _NGX_HTTP_CORE_H_INCLUDED_
#include <ngx_string.h>
#include <ngx_array.h>
#include <ngx_http.h>
typedef struct {
in_addr_t addr;
in_port_t port;
int family;
ngx_str_t file_name;
ngx_int_t line;
ngx_uint_t default_server; /* unsigned default_server:1; */
} ngx_http_listen_t;
typedef enum {
NGX_HTTP_FIND_CONFIG_PHASE = 0,
NGX_HTTP_REWRITE_PHASE,
NGX_HTTP_ACCESS_PHASE,
NGX_HTTP_CONTENT_PHASE,
NGX_HTTP_LAST_PHASE
} ngx_http_phases;
typedef struct {
ngx_array_t handlers;
ngx_int_t type; /* NGX_OK, NGX_DECLINED */
} ngx_http_phase_t;
typedef struct {
ngx_array_t servers; /* ngx_http_core_srv_conf_t */
ngx_http_phase_t phases[NGX_HTTP_LAST_PHASE];
ngx_array_t index_handlers;
ngx_hash_t headers_in_hash;
ngx_hash_t variables_hash;
ngx_uint_t server_names_hash;
ngx_uint_t server_names_hash_threshold;
size_t max_server_name_len;
ngx_array_t variables; /* ngx_http_variable_t */
ngx_array_t all_variables; /* ngx_http_variable_t */
} ngx_http_core_main_conf_t;
typedef struct {
/*
* array of the ngx_http_core_loc_conf_t,
* used in the translation handler and in the merge phase
*/
ngx_array_t locations;
/* array of the ngx_http_listen_t, "listen" directive */
ngx_array_t listen;
/* array of the ngx_http_server_name_t, "server_name" directive */
ngx_array_t server_names;
/* server ctx */
ngx_http_conf_ctx_t *ctx;
size_t connection_pool_size;
size_t request_pool_size;
size_t client_header_buffer_size;
ngx_bufs_t large_client_header_buffers;
ngx_msec_t post_accept_timeout;
ngx_msec_t client_header_timeout;
ngx_uint_t restrict_host_names;
ngx_flag_t ignore_invalid_headers;
} ngx_http_core_srv_conf_t;
/* list of structures to find core_srv_conf quickly at run time */
typedef struct {
in_port_t port;
ngx_str_t port_text;
ngx_array_t addrs; /* array of ngx_http_in_addr_t */
} ngx_http_in_port_t;
struct ngx_http_in_addr_s {
in_addr_t addr;
ngx_array_t names; /* array of ngx_http_server_name_t */
ngx_array_t *hash; /* hash of ngx_http_server_name_t */
ngx_array_t wildcards; /* array of ngx_http_server_name_t */
/* the default server configuration for this address:port */
ngx_http_core_srv_conf_t *core_srv_conf;
ngx_uint_t default_server; /* unsigned default_server:1; */
};
typedef struct {
ngx_str_t name;
ngx_http_core_srv_conf_t *core_srv_conf; /* virtual name server conf */
ngx_uint_t wildcard; /* unsigned wildcard:1 */
} ngx_http_server_name_t;
#define ngx_http_server_names_hash_key(key, name, len, prime) \
{ \
ngx_uint_t n; \
for (key = 0, n = 0; n < len; n++) { \
key += name[n]; \
} \
key %= prime; \
}
#define NGX_HTTP_TYPES_HASH_PRIME 13
#define ngx_http_types_hash_key(key, ext) \
{ \
ngx_uint_t n; \
for (key = 0, n = 0; n < ext.len; n++) { \
key += ext.data[n]; \
} \
key %= NGX_HTTP_TYPES_HASH_PRIME; \
}
typedef struct {
ngx_str_t exten;
ngx_str_t type;
} ngx_http_type_t;
typedef struct {
ngx_int_t status;
ngx_int_t overwrite;
ngx_str_t uri;
} ngx_http_err_page_t;
typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
struct ngx_http_core_loc_conf_s {
ngx_str_t name; /* location name */
#if (NGX_PCRE)
ngx_regex_t *regex;
#endif
unsigned noname:1; /* "if () {}" block */
unsigned exact_match:1;
unsigned noregex:1;
unsigned auto_redirect:1;
unsigned alias:1;
/* array of inclusive ngx_http_core_loc_conf_t */
ngx_array_t locations;
/* pointer to the modules' loc_conf */
void **loc_conf ;
ngx_http_handler_pt handler;
ngx_str_t root; /* root, alias */
ngx_array_t *types;
ngx_str_t default_type;
size_t client_max_body_size; /* client_max_body_size */
size_t client_body_buffer_size; /* client_body_buffer_size */
size_t send_lowat; /* send_lowat */
size_t postpone_output; /* postpone_output */
size_t limit_rate; /* limit_rate */
ngx_msec_t client_body_timeout; /* client_body_timeout */
ngx_msec_t send_timeout; /* send_timeout */
ngx_msec_t keepalive_timeout; /* keepalive_timeout */
ngx_msec_t lingering_time; /* lingering_time */
ngx_msec_t lingering_timeout; /* lingering_timeout */
time_t keepalive_header; /* keepalive_timeout */
ngx_flag_t internal; /* internal */
ngx_flag_t sendfile; /* sendfile */
ngx_flag_t tcp_nopush; /* tcp_nopush */
ngx_flag_t tcp_nodelay; /* tcp_nodelay */
ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
ngx_flag_t port_in_redirect; /* port_in_redirect */
ngx_flag_t msie_padding; /* msie_padding */
ngx_array_t *error_pages; /* error_page */
ngx_path_t *client_body_temp_path; /* client_body_temp_path */
ngx_http_cache_hash_t *open_files;
ngx_log_t *err_log;
#if 0
ngx_http_core_loc_conf_t *prev_location;
#endif
};
extern ngx_http_module_t ngx_http_core_module_ctx;
extern ngx_module_t ngx_http_core_module;
extern ngx_uint_t ngx_http_max_module;
ngx_int_t ngx_http_find_location_config(ngx_http_request_t *r);
ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
ngx_int_t ngx_http_set_exten(ngx_http_request_t *r);
ngx_int_t ngx_http_subrequest(ngx_http_request_t *r,
ngx_str_t *uri, ngx_str_t *args);
ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
ngx_str_t *uri, ngx_str_t *args);
typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
typedef ngx_int_t (*ngx_http_output_body_filter_pt)
(ngx_http_request_t *r, ngx_chain_t *chain);
ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
#endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
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