release/src/router/nginx/src/http/ngx_http.h

   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
  23 #if (NGX_HTTP_SPDY)
  24 typedef struct ngx_http_spdy_stream_s  ngx_http_spdy_stream_t;
  25 #endif
  26
  27 typedef ngx_int_t (*ngx_http_header_handler_pt)(ngx_http_request_t *r,
  28     ngx_table_elt_t *h, ngx_uint_t offset);
  29 typedef u_char *(*ngx_http_log_handler_pt)(ngx_http_request_t *r,
  30     ngx_http_request_t *sr, u_char *buf, size_t len);
  31
  32
  33 #include <ngx_http_variables.h>
  34 #include <ngx_http_config.h>
  35 #include <ngx_http_request.h>
  36 #include <ngx_http_script.h>
  37 #include <ngx_http_upstream.h>
  38 #include <ngx_http_upstream_round_robin.h>
  39 #include <ngx_http_busy_lock.h>
  40 #include <ngx_http_core_module.h>
  41
  42 #if (NGX_HTTP_SPDY)
  43 #include <ngx_http_spdy.h>
  44 #endif
  45 #if (NGX_HTTP_CACHE)
  46 #include <ngx_http_cache.h>
  47 #endif
  48 #if (NGX_HTTP_SSI)
  49 #include <ngx_http_ssi_filter_module.h>
  50 #endif
  51 #if (NGX_HTTP_SSL)
  52 #include <ngx_http_ssl_module.h>
  53 #endif
  54
  55
  56 struct ngx_http_log_ctx_s {
  57     ngx_connection_t    *connection;
  58     ngx_http_request_t  *request;
  59     ngx_http_request_t  *current_request;
  60 };
  61
  62
  63 struct ngx_http_chunked_s {
  64     ngx_uint_t           state;
  65     off_t                size;
  66     off_t                length;
  67 };
  68
  69
  70 typedef struct {
  71     ngx_uint_t           http_version;
  72     ngx_uint_t           code;
  73     ngx_uint_t           count;
  74     u_char              *start;
  75     u_char              *end;
  76 } ngx_http_status_t;
  77
  78
  79 #define ngx_http_get_module_ctx(r, module)  (r)->ctx[module.ctx_index]
  80 #define ngx_http_set_ctx(r, c, module)      r->ctx[module.ctx_index] = c;
  81
  82
  83 ngx_int_t ngx_http_add_location(ngx_conf_t *cf, ngx_queue_t **locations,
  84     ngx_http_core_loc_conf_t *clcf);
  85 ngx_int_t ngx_http_add_listen(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
  86     ngx_http_listen_opt_t *lsopt);
  87
  88
  89 void ngx_http_init_connection(ngx_connection_t *c);
  90 void ngx_http_close_connection(ngx_connection_t *c);
  91
  92 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
  93 int ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg);
  94 #endif
  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_arg(ngx_http_request_t *r, u_char *name, size_t len,
 109     ngx_str_t *value);
 110 void ngx_http_split_args(ngx_http_request_t *r, ngx_str_t *uri,
 111     ngx_str_t *args);
 112 ngx_int_t ngx_http_parse_chunked(ngx_http_request_t *r, ngx_buf_t *b,
 113     ngx_http_chunked_t *ctx);
 114
 115
 116 ngx_http_request_t *ngx_http_create_request(ngx_connection_t *c);
 117 ngx_int_t ngx_http_process_request_uri(ngx_http_request_t *r);
 118 ngx_int_t ngx_http_process_request_header(ngx_http_request_t *r);
 119 void ngx_http_process_request(ngx_http_request_t *r);
 120 void ngx_http_update_location_config(ngx_http_request_t *r);
 121 void ngx_http_handler(ngx_http_request_t *r);
 122 void ngx_http_run_posted_requests(ngx_connection_t *c);
 123 ngx_int_t ngx_http_post_request(ngx_http_request_t *r,
 124     ngx_http_posted_request_t *pr);
 125 void ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc);
 126 void ngx_http_free_request(ngx_http_request_t *r, ngx_int_t rc);
 127
 128 void ngx_http_empty_handler(ngx_event_t *wev);
 129 void ngx_http_request_empty_handler(ngx_http_request_t *r);
 130
 131
 132 #define ngx_http_ephemeral(r)  (void *) (&r->uri_start)
 133
 134
 135 #define NGX_HTTP_LAST   1
 136 #define NGX_HTTP_FLUSH  2
 137
 138 ngx_int_t ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags);
 139
 140
 141 ngx_int_t ngx_http_read_client_request_body(ngx_http_request_t *r,
 142     ngx_http_client_body_handler_pt post_handler);
 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 time_t ngx_http_parse_time(u_char *value, size_t len);
 153 size_t ngx_http_get_time(char *buf, time_t t);
 154
 155
 156
 157 ngx_int_t ngx_http_discard_request_body(ngx_http_request_t *r);
 158 void ngx_http_discarded_request_body_handler(ngx_http_request_t *r);
 159 void ngx_http_block_reading(ngx_http_request_t *r);
 160 void ngx_http_test_reading(ngx_http_request_t *r);
 161
 162
 163 char *ngx_http_types_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
 164 char *ngx_http_merge_types(ngx_conf_t *cf, ngx_array_t **keys,
 165     ngx_hash_t *types_hash, ngx_array_t **prev_keys,
 166     ngx_hash_t *prev_types_hash, ngx_str_t *default_types);
 167 ngx_int_t ngx_http_set_default_types(ngx_conf_t *cf, ngx_array_t **types,
 168     ngx_str_t *default_type);
 169
 170 #if (NGX_HTTP_DEGRADATION)
 171 ngx_uint_t  ngx_http_degraded(ngx_http_request_t *);
 172 #endif
 173
 174
 175 extern ngx_module_t  ngx_http_module;
 176
 177 extern ngx_str_t  ngx_http_html_default_types[];
 178
 179
 180 extern ngx_http_output_header_filter_pt  ngx_http_top_header_filter;
 181 extern ngx_http_output_body_filter_pt    ngx_http_top_body_filter;
 182
 183
 184 #endif /* _NGX_HTTP_H_INCLUDED_ */