1 2 /* 3 * Copyright (C) Igor Sysoev 4 * Copyright (C) Nginx, Inc. 5 */ 6 7 8 #ifndef _NGX_HTTP_H_INCLUDED_ 9 #define _NGX_HTTP_H_INCLUDED_ 10 11 12 #include <ngx_config.h> 13 #include <ngx_core.h> 14 15 16 typedef struct ngx_http_request_s ngx_http_request_t; 17 typedef struct ngx_http_upstream_s ngx_http_upstream_t; 18 typedef struct ngx_http_cache_s ngx_http_cache_t; 19 typedef struct ngx_http_file_cache_s ngx_http_file_cache_t; 20 typedef struct ngx_http_log_ctx_s ngx_http_log_ctx_t; 21 typedef struct ngx_http_chunked_s ngx_http_chunked_t; 22 typedef struct ngx_http_v2_stream_s ngx_http_v2_stream_t; 23 24 typedef ngx_int_t (*ngx_http_header_handler_pt)(ngx_http_request_t *r, 25 ngx_table_elt_t *h, ngx_uint_t offset); 26 typedef u_char *(*ngx_http_log_handler_pt)(ngx_http_request_t *r, 27 ngx_http_request_t *sr, u_char *buf, size_t len); 28 29 30 #include <ngx_http_variables.h> 31 #include <ngx_http_config.h> 32 #include <ngx_http_request.h> 33 #include <ngx_http_script.h> 34 #include <ngx_http_upstream.h> 35 #include <ngx_http_upstream_round_robin.h> 36 #include <ngx_http_core_module.h> 37 38 #if (NGX_HTTP_V2) 39 #include <ngx_http_v2.h> 40 #endif 41 #if (NGX_HTTP_CACHE) 42 #include <ngx_http_cache.h> 43 #endif 44 #if (NGX_HTTP_SSI) 45 #include <ngx_http_ssi_filter_module.h> 46 #endif 47 #if (NGX_HTTP_SSL) 48 #include <ngx_http_ssl_module.h> 49 #endif 50 51 52 struct ngx_http_log_ctx_s { 53 ngx_connection_t *connection; 54 ngx_http_request_t *request; 55 ngx_http_request_t *current_request; 56 }; 57 58 59 struct ngx_http_chunked_s { 60 ngx_uint_t state; 61 off_t size; 62 off_t length; 63 }; 64 65 66 typedef struct { 67 ngx_uint_t http_version; 68 ngx_uint_t code; 69 ngx_uint_t count; 70 u_char *start; 71 u_char *end; 72 } ngx_http_status_t; 73 74 75 #define ngx_http_get_module_ctx(r, module) (r)->ctx[module.ctx_index] 76 #define ngx_http_set_ctx(r, c, module) r->ctx[module.ctx_index] = c; 77 78 79 ngx_int_t ngx_http_add_location(ngx_conf_t *cf, ngx_queue_t **locations, 80 ngx_http_core_loc_conf_t *clcf); 81 ngx_int_t ngx_http_add_listen(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf, 82 ngx_http_listen_opt_t *lsopt); 83 84 85 void ngx_http_init_connection(ngx_connection_t *c); 86 void ngx_http_close_connection(ngx_connection_t *c); 87 88 #if (NGX_HTTP_SSL && defined SSL_CTRL_SET_TLSEXT_HOSTNAME) 89 int ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg); 90 #endif 91 #if (NGX_HTTP_SSL && defined SSL_R_CERT_CB_ERROR) 92 int ngx_http_ssl_certificate(ngx_ssl_conn_t *ssl_conn, void *arg); 93 #endif 94 95 96 ngx_int_t ngx_http_parse_request_line(ngx_http_request_t *r, ngx_buf_t *b); 97 ngx_int_t ngx_http_parse_uri(ngx_http_request_t *r); 98 ngx_int_t ngx_http_parse_complex_uri(ngx_http_request_t *r, 99 ngx_uint_t merge_slashes); 100 ngx_int_t ngx_http_parse_status_line(ngx_http_request_t *r, ngx_buf_t *b, 101 ngx_http_status_t *status); 102 ngx_int_t ngx_http_parse_unsafe_uri(ngx_http_request_t *r, ngx_str_t *uri, 103 ngx_str_t *args, ngx_uint_t *flags); 104 ngx_int_t ngx_http_parse_header_line(ngx_http_request_t *r, ngx_buf_t *b, 105 ngx_uint_t allow_underscores); 106 ngx_int_t ngx_http_parse_multi_header_lines(ngx_array_t *headers, 107 ngx_str_t *name, ngx_str_t *value); 108 ngx_int_t ngx_http_parse_set_cookie_lines(ngx_array_t *headers, 109 ngx_str_t *name, ngx_str_t *value); 110 ngx_int_t ngx_http_arg(ngx_http_request_t *r, u_char *name, size_t len, 111 ngx_str_t *value); 112 void ngx_http_split_args(ngx_http_request_t *r, ngx_str_t *uri, 113 ngx_str_t *args); 114 ngx_int_t ngx_http_parse_chunked(ngx_http_request_t *r, ngx_buf_t *b, 115 ngx_http_chunked_t *ctx); 116 117 118 ngx_http_request_t *ngx_http_create_request(ngx_connection_t *c); 119 ngx_int_t ngx_http_process_request_uri(ngx_http_request_t *r); 120 ngx_int_t ngx_http_process_request_header(ngx_http_request_t *r); 121 void ngx_http_process_request(ngx_http_request_t *r); 122 void ngx_http_update_location_config(ngx_http_request_t *r); 123 void ngx_http_handler(ngx_http_request_t *r); 124 void ngx_http_run_posted_requests(ngx_connection_t *c); 125 ngx_int_t ngx_http_post_request(ngx_http_request_t *r, 126 ngx_http_posted_request_t *pr); 127 void ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc); 128 void ngx_http_free_request(ngx_http_request_t *r, ngx_int_t rc); 129 130 void ngx_http_empty_handler(ngx_event_t *wev); 131 void ngx_http_request_empty_handler(ngx_http_request_t *r); 132 133 134 #define NGX_HTTP_LAST 1 135 #define NGX_HTTP_FLUSH 2 136 137 ngx_int_t ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags); 138 139 140 ngx_int_t ngx_http_read_client_request_body(ngx_http_request_t *r, 141 ngx_http_client_body_handler_pt post_handler); 142 ngx_int_t ngx_http_read_unbuffered_request_body(ngx_http_request_t *r); 143 144 ngx_int_t ngx_http_send_header(ngx_http_request_t *r); 145 ngx_int_t ngx_http_special_response_handler(ngx_http_request_t *r, 146 ngx_int_t error); 147 ngx_int_t ngx_http_filter_finalize_request(ngx_http_request_t *r, 148 ngx_module_t *m, ngx_int_t error); 149 void ngx_http_clean_header(ngx_http_request_t *r); 150 151 152 ngx_int_t ngx_http_discard_request_body(ngx_http_request_t *r); 153 void ngx_http_discarded_request_body_handler(ngx_http_request_t *r); 154 void ngx_http_block_reading(ngx_http_request_t *r); 155 void ngx_http_test_reading(ngx_http_request_t *r); 156 157 158 char *ngx_http_types_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); 159 char *ngx_http_merge_types(ngx_conf_t *cf, ngx_array_t **keys, 160 ngx_hash_t *types_hash, ngx_array_t **prev_keys, 161 ngx_hash_t *prev_types_hash, ngx_str_t *default_types); 162 ngx_int_t ngx_http_set_default_types(ngx_conf_t *cf, ngx_array_t **types, 163 ngx_str_t *default_type); 164 165 #if (NGX_HTTP_DEGRADATION) 166 ngx_uint_t ngx_http_degraded(ngx_http_request_t *); 167 #endif 168 169 170 extern ngx_module_t ngx_http_module; 171 172 extern ngx_str_t ngx_http_html_default_types[]; 173 174 175 extern ngx_http_output_header_filter_pt ngx_http_top_header_filter; 176 extern ngx_http_output_body_filter_pt ngx_http_top_body_filter; 177 extern ngx_http_request_body_filter_pt ngx_http_top_request_body_filter; 178 179 180 #endif /* _NGX_HTTP_H_INCLUDED_ */ 181