/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_HTTP_CORE_H_INCLUDED_ #define _NGX_HTTP_CORE_H_INCLUDED_ #include #include #include typedef struct { unsigned default_server:1; unsigned bind:1; int backlog; int rcvbuf; int sndbuf; #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) char *accept_filter; #endif #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) ngx_uint_t deferred_accept; #endif } ngx_http_listen_conf_t; typedef struct { in_addr_t addr; in_port_t port; int family; ngx_str_t file_name; ngx_int_t line; ngx_http_listen_conf_t conf; } ngx_http_listen_t; typedef enum { NGX_HTTP_POST_READ_PHASE = 0, NGX_HTTP_SERVER_REWRITE_PHASE, NGX_HTTP_FIND_CONFIG_PHASE, NGX_HTTP_REWRITE_PHASE, NGX_HTTP_PREACCESS_PHASE, NGX_HTTP_ACCESS_PHASE, NGX_HTTP_CONTENT_PHASE, NGX_HTTP_LOG_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_LOG_PHASE + 1]; ngx_hash0_t headers_in_hash; ngx_hash0_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 ngx_http_core_find_location() 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 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_http_listen_conf_t conf; }; 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 n0; \ for (key = 0, n0 = 0; n0 < len; n0++) { \ key += name[n0]; \ } \ key %= prime; \ } 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_str_t post_action; ngx_array_t *types; ngx_hash_t types_hash; 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 satisfy_any; /* satisfy_any */ 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_flag_t log_not_found; /* log_not_found */ 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; ngx_uint_t types_hash_max_size; ngx_uint_t types_hash_bucket_size; #if 0 ngx_http_core_loc_conf_t *prev_location; #endif }; 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); u_char *ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *name, size_t reserved); ngx_int_t ngx_http_auth_basic_user(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_uint_t flags); ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r, ngx_str_t *uri, ngx_str_t *args); ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size); 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); 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; #define ngx_http_clear_content_length(r) \ \ r->headers_out.content_length_n = -1; \ if (r->headers_out.content_length) { \ r->headers_out.content_length->hash = 0; \ r->headers_out.content_length = NULL; \ } \ #define ngx_http_clear_accept_ranges(r) \ \ r->allow_ranges = 0; \ if (r->headers_out.accept_ranges) { \ r->headers_out.accept_ranges->hash = 0 ; \ r->headers_out.accept_ranges = NULL; \ } #define ngx_http_clear_last_modified(r) \ \ r->headers_out.last_modified_time = -1; \ if (r->headers_out.last_modified) { \ r->headers_out.last_modified->hash = 0; \ r->headers_out.last_modified = NULL; \ } #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */