ngx_http_request_t構造体
最終更新：
library_task 2010年11月27日(土) 11:19:24履歴
ngx_http_request_t構造体 
HTTPリクエスト処理する際の主要な情報が入るngx_http_request_t構造体の中身です。
./src/http/ngx_http_request.hで定義されています。
【メモ】
unsigned http_minor:16;の16は初期値ではない点に注意。bit数を表す。
./src/http/ngx_http_request.hで定義されています。
struct ngx_http_request_s {
uint32_t signature; /* "HTTP" */
ngx_connection_t *connection;
void **ctx;
void **main_conf;
void **srv_conf;
void **loc_conf;
ngx_http_event_handler_pt read_event_handler;
ngx_http_event_handler_pt write_event_handler;
#if (NGX_HTTP_CACHE)
ngx_http_cache_t *cache;
#endif
ngx_http_upstream_t *upstream;
ngx_array_t *upstream_states;
/* of ngx_http_upstream_state_t */
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;
time_t start_sec;
ngx_msec_t start_msec;
ngx_uint_t method;
ngx_uint_t http_version;
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_str_t http_protocol;
ngx_chain_t *out;
ngx_http_request_t *main;
ngx_http_request_t *parent;
ngx_http_postponed_request_t *postponed;
ngx_http_post_subrequest_t *post_subrequest;
ngx_http_posted_request_t *posted_requests;
ngx_http_virtual_names_t *virtual_names;
ngx_int_t phase_handler;
ngx_http_handler_pt content_handler;
ngx_uint_t access_code;
ngx_http_variable_value_t *variables;
#if (NGX_PCRE)
ngx_uint_t ncaptures;
int *captures;
u_char *captures_data;
#endif
size_t limit_rate;
/* used to learn the Apache compatible response length without a header */
size_t header_size;
off_t request_length;
ngx_uint_t err_status;
ngx_http_connection_t *http_connection;
ngx_http_log_handler_pt log_handler;
ngx_http_cleanup_t *cleanup;
unsigned http_state:4;
/* URI with "/." and on Win32 with "//" */
unsigned complex_uri:1;
/* URI with "%" */
unsigned quoted_uri:1;
/* URI with "+" */
unsigned plus_in_uri:1;
/* URI with "\0" or "%00" */
unsigned zero_in_uri:1;
unsigned invalid_header:1;
unsigned valid_location:1;
unsigned valid_unparsed_uri:1;
unsigned uri_changed:1;
unsigned uri_changes:4;
unsigned request_body_in_single_buf:1;
unsigned request_body_in_file_only:1;
unsigned request_body_in_persistent_file:1;
unsigned request_body_in_clean_file:1;
unsigned request_body_file_group_access:1;
unsigned request_body_file_log_level:3;
unsigned subrequest_in_memory:1;
unsigned waited:1;
#if (NGX_HTTP_CACHE)
unsigned cached:1;
#endif
#if (NGX_HTTP_GZIP)
unsigned gzip_tested:1;
unsigned gzip_ok:1;
unsigned gzip_vary:1;
#endif
unsigned proxy:1;
unsigned bypass_cache:1;
unsigned no_cache:1;
/*
* instead of using the request context data in
* ngx_http_limit_zone_module and ngx_http_limit_req_module
* we use the single bits in the request structure
*/
unsigned limit_zone_set:1;
unsigned limit_req_set:1;
#if 0
unsigned cacheable:1;
#endif
unsigned pipeline:1;
unsigned plain_http:1;
unsigned chunked:1;
unsigned header_only:1;
unsigned zero_body:1;
unsigned keepalive:1;
unsigned lingering_close:1;
unsigned discard_body:1;
unsigned internal:1;
unsigned error_page:1;
unsigned ignore_content_encoding:1;
unsigned filter_finalize:1;
unsigned post_action:1;
unsigned request_complete:1;
unsigned request_output:1;
unsigned header_sent:1;
unsigned expect_tested:1;
unsigned root_tested:1;
unsigned done:1;
unsigned logged:1;
unsigned buffered:4;
unsigned main_filter_need_in_memory:1;
unsigned filter_need_in_memory:1;
unsigned filter_need_temporary:1;
unsigned allow_ranges:1;
#if (NGX_STAT_STUB)
unsigned stat_reading:1;
unsigned stat_writing:1;
#endif
unsigned subrequests:8;
/* used to parse HTTP headers */
ngx_uint_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;
unsigned http_minor:16;
unsigned http_major:16;
ngx_uint_t header_hash;
ngx_uint_t lowcase_index;
u_char lowcase_header[NGX_HTTP_LC_HEADER_LEN];
};
| 項目 | データ内容 | 値の例 |
| uint32_t signature; | ||
| ngx_connection_t *connection; | ||
| void **ctx; | ||
| void **main_conf; | ||
| void **srv_conf; | ||
| void **loc_conf; | ||
| ngx_http_event_handler_pt read_event_handler; | ||
| ngx_http_event_handler_pt write_event_handler; | ||
| ngx_http_cache_t *cache; | ||
| ngx_http_upstream_t *upstream; | ||
| ngx_array_t *upstream_states; | ||
| 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; | ||
| time_t start_sec; | ||
| ngx_msec_t start_msec; | ||
| ngx_uint_t method; | ||
| ngx_uint_t http_version; | ||
| 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_str_t http_protocol; | ||
| ngx_chain_t *out; | ||
| ngx_http_request_t *main; | ||
| ngx_http_request_t *parent; | ||
| ngx_http_postponed_request_t *postponed; | ||
| ngx_http_post_subrequest_t *post_subrequest; | ||
| ngx_http_posted_request_t *posted_requests; | ||
| ngx_http_virtual_names_t *virtual_names; | ||
| ngx_int_t phase_handler; | ||
| ngx_http_handler_pt content_handler; | ||
| ngx_uint_t access_code; | ||
| ngx_http_variable_value_t *variables; | ||
| ngx_uint_t ncaptures; | ||
| int *captures; | ||
| u_char *captures_data; | ||
| size_t limit_rate; | ||
| size_t header_size; | ||
| off_t request_length; | ||
| ngx_uint_t err_status; | ||
| ngx_http_connection_t *http_connection; | ||
| ngx_http_log_handler_pt log_handler; | ||
| ngx_http_cleanup_t *cleanup; | ||
| unsigned http_state:4; | ||
| unsigned complex_uri:1; | ||
| unsigned quoted_uri:1; | ||
| unsigned plus_in_uri:1; | ||
| unsigned zero_in_uri:1; | ||
| unsigned invalid_header:1; | ||
| unsigned valid_location:1; | ||
| unsigned valid_unparsed_uri:1; | ||
| unsigned uri_changed:1; | ||
| unsigned uri_changes:4; | ||
| unsigned request_body_in_single_buf:1; | ||
| unsigned request_body_in_file_only:1; | ||
| unsigned request_body_in_persistent_file:1; | ||
| unsigned request_body_in_clean_file:1; | ||
| unsigned request_body_file_group_access:1; | ||
| unsigned request_body_file_log_level:3; | ||
| unsigned subrequest_in_memory:1; | ||
| unsigned waited:1; | ||
| unsigned cached:1; | ||
| unsigned gzip_tested:1; | ||
| unsigned gzip_ok:1; | ||
| unsigned gzip_vary:1; | ||
| unsigned proxy:1; | ||
| unsigned bypass_cache:1; | ||
| unsigned no_cache:1; | ||
| unsigned limit_zone_set:1; | ||
| unsigned limit_req_set:1; | ||
| unsigned cacheable:1; | ||
| unsigned pipeline:1; | ||
| unsigned plain_http:1; | ||
| unsigned chunked:1; | ||
| unsigned header_only:1; | ||
| unsigned zero_body:1; | ||
| unsigned keepalive:1; | ||
| unsigned lingering_close:1; | ||
| unsigned discard_body:1; | ||
| unsigned internal:1; | 内部リクエスト,1が入る。subrequestや内部リダイレクトの場合。confのinternalと一緒なのか要確認 | 1 |
| unsigned error_page:1; | ||
| unsigned ignore_content_encoding:1; | ||
| unsigned filter_finalize:1; | ||
| unsigned post_action:1; | ||
| unsigned request_complete:1; | ||
| unsigned request_output:1; | ||
| unsigned header_sent:1; | ||
| unsigned expect_tested:1; | ||
| unsigned root_tested:1; | ||
| unsigned done:1; | ||
| unsigned logged:1; | ||
| unsigned buffered:4; | ||
| unsigned main_filter_need_in_memory:1; | ||
| unsigned filter_need_in_memory:1; | ||
| unsigned filter_need_temporary:1; | ||
| unsigned allow_ranges:1; | ||
| unsigned stat_reading:1; | ||
| unsigned stat_writing:1; | ||
| unsigned subrequests:8; | ||
| ngx_uint_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; | ||
| unsigned http_minor:16; | ||
| unsigned http_major:16; | ||
| ngx_uint_t header_hash; | ||
| ngx_uint_t lowcase_index; | ||
| u_char lowcase_header[NGX_HTTP_LC_HEADER_LEN]; |
【メモ】
unsigned http_minor:16;の16は初期値ではない点に注意。bit数を表す。
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