#ifndef _NGX_HTTP_REQUEST_H_INCLUDED_ #define _NGX_HTTP_REQUEST_H_INCLUDED_ #define NGX_HTTP_VERSION_9 9 #define NGX_HTTP_VERSION_10 1000 #define NGX_HTTP_VERSION_11 1001 #define NGX_HTTP_GET 1 #define NGX_HTTP_HEAD 2 #define NGX_HTTP_POST 3 #define NGX_HTTP_CONNECTION_CLOSE 1 #define NGX_HTTP_CONNECTION_KEEP_ALIVE 2 #define NGX_NONE 1 #define NGX_HTTP_PARSE_HEADER_DONE 1 #define NGX_HTTP_CLIENT_ERROR 10 #define NGX_HTTP_PARSE_INVALID_METHOD 10 #define NGX_HTTP_PARSE_INVALID_REQUEST 11 #define NGX_HTTP_PARSE_TOO_LONG_URI 12 #define NGX_HTTP_PARSE_INVALID_09_METHOD 13 #define NGX_HTTP_PARSE_HEADER_ERROR 14 #define NGX_HTTP_PARSE_INVALID_HEADER 14 #define NGX_HTTP_PARSE_TOO_LONG_HEADER 15 #define NGX_HTTP_PARSE_NO_HOST_HEADER 16 #define NGX_HTTP_PARSE_INVALID_CL_HEADER 17 #define NGX_HTTP_PARSE_POST_WO_CL_HEADER 18 #define NGX_HTTP_PARSE_INVALID_HOST 19 #define NGX_HTTP_OK 200 #define NGX_HTTP_PARTIAL_CONTENT 206 #define NGX_HTTP_SPECIAL_RESPONSE 300 #define NGX_HTTP_MOVED_PERMANENTLY 301 #define NGX_HTTP_MOVED_TEMPORARILY 302 #define NGX_HTTP_NOT_MODIFIED 304 #define NGX_HTTP_BAD_REQUEST 400 #define NGX_HTTP_FORBIDDEN 403 #define NGX_HTTP_NOT_FOUND 404 #define NGX_HTTP_NOT_ALLOWED 405 #define NGX_HTTP_REQUEST_TIME_OUT 408 #define NGX_HTTP_REQUEST_ENTITY_TOO_LARGE 413 #define NGX_HTTP_REQUEST_URI_TOO_LARGE 414 #define NGX_HTTP_RANGE_NOT_SATISFIABLE 416 /* Our own HTTP codes */ #define NGX_HTTP_NGX_CODES NGX_HTTP_INVALID_HOST /* * We use the special code for the requests with invalid host name * to distinguish it from 4XX in an error page redirection */ #define NGX_HTTP_INVALID_HOST 498 /* * HTTP does not define the code for the case when a client closed * the connection while we are processing its request so we introduce * own code to log such situation when a client has closed the connection * before we even try to send the HTTP header to it */ #define NGX_HTTP_CLIENT_CLOSED_REQUEST 499 #define NGX_HTTP_INTERNAL_SERVER_ERROR 500 #define NGX_HTTP_NOT_IMPLEMENTED 501 #define NGX_HTTP_BAD_GATEWAY 502 #define NGX_HTTP_SERVICE_UNAVAILABLE 503 #define NGX_HTTP_GATEWAY_TIME_OUT 504 typedef enum { NGX_HTTP_RESTRICT_HOST_OFF = 0, NGX_HTTP_RESTRICT_HOST_ON, NGX_HTTP_RESTRICT_HOST_CLOSE } ngx_http_restrict_host_e; typedef enum { NGX_HTTP_INITING_REQUEST_STATE = 0, NGX_HTTP_READING_REQUEST_STATE, NGX_HTTP_PROCESS_REQUEST_STATE, NGX_HTTP_CONNECT_UPSTREAM_STATE, NGX_HTTP_WRITING_UPSTREAM_STATE, NGX_HTTP_READING_UPSTREAM_STATE, NGX_HTTP_WRITING_REQUEST_STATE, NGX_HTTP_LINGERING_CLOSE_STATE, NGX_HTTP_KEEPALIVE_STATE } ngx_http_state_e; typedef struct { ngx_str_t name; ngx_uint_t offset; } ngx_http_header_t; typedef struct { ngx_table_t headers; /* it must be first field */ ngx_table_elt_t *host; ngx_table_elt_t *connection; ngx_table_elt_t *if_modified_since; ngx_table_elt_t *user_agent; ngx_table_elt_t *referer; ngx_table_elt_t *content_length; ngx_table_elt_t *range; #if (NGX_HTTP_GZIP) ngx_table_elt_t *accept_encoding; ngx_table_elt_t *via; #endif ngx_table_elt_t *authorization; ngx_table_elt_t *keep_alive; #if (NGX_HTTP_PROXY) ngx_table_elt_t *x_forwarded_for; #endif size_t host_name_len; ssize_t content_length_n; size_t connection_type; ssize_t keep_alive_n; } ngx_http_headers_in_t; typedef struct { off_t start; off_t end; ngx_str_t content_range; } ngx_http_range_t; typedef struct { ngx_table_t headers; /* it must be first field */ ngx_uint_t status; ngx_str_t status_line; ngx_table_elt_t *server; ngx_table_elt_t *date; ngx_table_elt_t *content_type; ngx_table_elt_t *content_length; ngx_table_elt_t *content_encoding; ngx_table_elt_t *location; ngx_table_elt_t *last_modified; ngx_table_elt_t *content_range; ngx_table_elt_t *accept_ranges; ngx_table_elt_t *expires; ngx_table_elt_t *cache_control; ngx_table_elt_t *etag; ngx_str_t charset; ngx_array_t ranges; off_t content_length_n; time_t date_time; time_t last_modified_time; } ngx_http_headers_out_t; typedef struct { ngx_temp_file_t *temp_file; ngx_chain_t *bufs; ngx_buf_t *buf; size_t rest; void (*handler) (void *data); void *data; } ngx_http_request_body_t; struct ngx_http_cleanup_s { union { struct { ngx_fd_t fd; u_char *name; } file; struct { ngx_http_cache_hash_t *hash; ngx_http_cache_t *cache; } cache; } data; unsigned valid:1; unsigned cache:1; }; typedef int (*ngx_http_handler_pt)(ngx_http_request_t *r); struct ngx_http_request_s { ngx_connection_t *connection; void **ctx; void **main_conf; void **srv_conf; void **loc_conf; ngx_http_cache_t *cache; ngx_file_t file; ngx_pool_t *pool; ngx_buf_t *header_in; ngx_http_headers_in_t headers_in; ngx_http_headers_out_t headers_out; ngx_http_request_body_t *request_body; time_t lingering_time; ngx_uint_t method; ngx_uint_t http_version; ngx_uint_t http_major; ngx_uint_t http_minor; ngx_str_t request_line; ngx_str_t uri; ngx_str_t args; ngx_str_t exten; ngx_str_t unparsed_uri; ngx_str_t method_name; ngx_http_request_t *main; uint32_t in_addr; ngx_uint_t port; ngx_str_t *port_name; /* ":80" */ ngx_str_t *server_name; ngx_array_t *virtual_names; ngx_uint_t phase; ngx_int_t phase_handler; ngx_http_handler_pt content_handler; ngx_array_t cleanup; /* used to learn the Apache compatible response length without a header */ size_t header_size; u_char *discarded_buffer; void **err_ctx; ngx_uint_t err_status; unsigned http_state:4; #if 0 /* URI is not started with '/' - "GET http://" */ unsigned unusual_uri:1; #endif /* URI with "/.", "%" and on Win32 with "//" */ unsigned complex_uri:1; unsigned header_timeout_set:1; unsigned proxy:1; unsigned bypass_cache:1; unsigned no_cache:1; #if 0 unsigned cachable:1; #endif unsigned pipeline:1; /* can we use sendfile ? */ unsigned sendfile:1; unsigned chunked:1; unsigned header_only:1; unsigned keepalive:1; unsigned lingering_close:1; unsigned closed:1; unsigned filter_need_in_memory:1; unsigned filter_ssi_need_in_memory:1; unsigned filter_need_temporary:1; unsigned filter_allow_ranges:1; /* used to parse HTTP headers */ ngx_int_t state; u_char *uri_start; u_char *uri_end; u_char *uri_ext; u_char *args_start; u_char *request_start; u_char *request_end; u_char *method_end; u_char *schema_start; u_char *schema_end; u_char *host_start; u_char *host_end; u_char *port_start; u_char *port_end; u_char *header_name_start; u_char *header_name_end; u_char *header_start; u_char *header_end; }; extern ngx_http_header_t ngx_http_headers_in[]; extern ngx_http_header_t ngx_http_headers_out[]; #endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */