src/http/ngx_http.h - nginx - Git at Google

 #ifndef _NGX_HTTP_H_INCLUDED_
 #define _NGX_HTTP_H_INCLUDED_


 #include <ngx_config.h>

 #include <ngx_types.h>
 #include <ngx_string.h>
 #include <ngx_table.h>
 #include <ngx_hunk.h>
 #include <ngx_files.h>
 #include <ngx_connection.h>
 #include <ngx_conf_file.h>

 /* STUB */
 #include <ngx_event_timer.h>

 #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_CONN_CLOSE       0
 #define NGX_HTTP_CONN_KEEP_ALIVE  1


 #define NGX_HTTP_PARSE_HEADER_DONE      1
 #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_HEAD     13
 #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_OK                     200
 #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_REQUEST_URI_TOO_LARGE  414
 #define NGX_HTTP_INTERNAL_SERVER_ERROR  500


 #define NGX_HTTP_STATIC_HANDLER     0
 #define NGX_HTTP_DIRECTORY_HANDLER  1


 typedef struct {
     char          *doc_root;
     size_t         doc_root_len;

     size_t         connection_pool_size;
     size_t         request_pool_size;

     size_t         header_buffer_size;
     size_t         discarded_buffer_size;

     ngx_msec_t     header_timeout;
     ngx_msec_t     lingering_timeout;
     time_t         lingering_time;
 } ngx_http_server_t;


 typedef struct {
     size_t  len;
     char   *data;
     int     offset;
 } ngx_http_header_t;


 typedef struct {
     size_t            host_name_len;

     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  *accept_encoding;

     ngx_table_t      *headers;
 } ngx_http_headers_in_t;


 typedef struct {
     int               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  *location;
     ngx_table_elt_t  *last_modified;

     ngx_table_t      *headers;

     off_t             content_length;
     char             *charset;
     char             *etag;
     time_t            date_time;
     time_t            last_modified_time;
 } ngx_http_headers_out_t;


 typedef struct ngx_http_request_s ngx_http_request_t;

 struct ngx_http_request_s {
     ngx_file_t  file;

     void  **ctx;
     void  **srv_conf;
     void  **loc_conf;

     ngx_pool_t  *pool;
     ngx_hunk_t  *header_in;

     ngx_http_headers_in_t   headers_in;
     ngx_http_headers_out_t  headers_out;

     int  (*handler)(ngx_http_request_t *r);

     int    method;

     time_t  lingering_time;

     int    http_version;
     int    http_major;
     int    http_minor;

     ngx_str_t  request_line;
     ngx_str_t  uri;
     ngx_str_t  exten;
     ngx_http_request_t *main;

     ngx_connection_t  *connection;

     u_int       in_addr;

     int         port;
     ngx_str_t   port_name;

     int         filter;

     ssize_t     client_content_length;
     char       *discarded_buffer;

     ngx_str_t   path;
     int         path_err;

     unsigned  keepalive:1;
     unsigned  lingering_close:1;

     unsigned  header_read:1;
     unsigned  header_timeout_set:1;

     unsigned  logging:1;

     unsigned  header_only:1;
     unsigned  unusual_uri:1;  /* URI is not started with '/' - "GET http://" */
     unsigned  complex_uri:1;  /* URI with "/." or with "//" (WIN32) */
     unsigned  path_not_found:1;
 #ifdef NGX_EVENT
     unsigned  write_level_event:1;
 #endif

     int    state;
     char  *uri_start;
     char  *uri_end;
     char  *uri_ext;
     char  *args_start;
     char  *request_end;
     char  *header_name_start;
     char  *header_name_end;
     char  *header_start;
     char  *header_end;
 #ifdef NGX_EVENT
     int  (*state_handler)(ngx_http_request_t *r);
 #endif
 };


 typedef struct {
     char  *action;
     char  *client;
     char  *url;
 } ngx_http_log_ctx_t;


 typedef int (*ngx_http_handler_pt)(ngx_http_request_t *r);

 typedef int (*ngx_http_output_header_filter_p)(ngx_http_request_t *r);

 typedef int (*ngx_http_output_body_filter_p)
                                    (ngx_http_request_t *r, ngx_chain_t *chain);


 typedef struct {
     int      index;

     void  *(*create_srv_conf)(ngx_pool_t *p);
     char  *(*init_srv_conf)(ngx_pool_t *p, void *conf);
     void  *(*create_loc_conf)(ngx_pool_t *p);
     char  *(*merge_loc_conf)(ngx_pool_t *p, void *prev, void *conf);

     int    (*translate_handler)(ngx_http_request_t *r);

     int    (*output_header_filter) (ngx_http_request_t *r);
     int    (*next_output_header_filter) (ngx_http_request_t *r);

     int    (*output_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch);
     int    (*next_output_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch);
 } ngx_http_module_t;


 #define NGX_HTTP_MODULE        0x80000000

 #define NGX_HTTP_MODULE_TYPE   0x50545448   /* "HTTP" */


 #define ngx_http_get_module_srv_conf(r, module)  r->srv_conf[module.index]
 #define ngx_http_get_module_loc_conf(r, module)  r->loc_conf[module.index]
 #define ngx_http_get_module_ctx(r, module)       r->ctx[module.index]

 #define ngx_http_create_ctx(r, cx, module, size)                              \
             do {                                                              \
                 ngx_test_null(cx, ngx_pcalloc(r->pool, size), NGX_ERROR);     \
                 r->ctx[module.index] = cx;                                    \
             } while (0)


 /* STUB */
 #define NGX_INDEX "index.html"


 /* STUB */
 int ngx_http_init(ngx_pool_t *pool, ngx_log_t *log);
 /**/

 int ngx_http_init_connection(ngx_connection_t *c);
 int ngx_read_http_request_line(ngx_http_request_t *r);
 int ngx_read_http_header_line(ngx_http_request_t *r, ngx_hunk_t *h);
 int ngx_http_handler(ngx_http_request_t *r);


 int ngx_http_send_header(ngx_http_request_t *r);
 int ngx_http_special_response(ngx_http_request_t *r, int error);


 time_t ngx_http_parse_time(char *value, size_t len);
 size_t ngx_http_get_time(char *buf, time_t t);


 int ngx_http_discard_body(ngx_http_request_t *r);


 extern int  ngx_max_module;
 extern ngx_array_t  ngx_http_servers;


 extern int  ngx_http_post_accept_timeout;
 extern int  ngx_http_connection_pool_size;
 extern int  ngx_http_request_pool_size;
 extern int  ngx_http_client_header_timeout;
 extern int  ngx_http_client_header_buffer_size;
 extern int  ngx_http_large_client_header;
 extern int  ngx_http_discarded_buffer_size;

 extern int  ngx_http_lingering_timeout;
 extern int  ngx_http_lingering_time;

 extern int  ngx_http_url_in_error_log;

 extern ngx_array_t  ngx_http_index_handlers;


 extern ngx_http_module_t  *ngx_http_modules[];


 /* STUB */
 int ngx_http_log_handler(ngx_http_request_t *r);
 /**/


 #endif /* _NGX_HTTP_H_INCLUDED_ */
	#ifndef _NGX_HTTP_H_INCLUDED_
	#define _NGX_HTTP_H_INCLUDED_


	#include <ngx_config.h>

	#include <ngx_types.h>
	#include <ngx_string.h>
	#include <ngx_table.h>
	#include <ngx_hunk.h>
	#include <ngx_files.h>
	#include <ngx_connection.h>
	#include <ngx_conf_file.h>

	/* STUB */
	#include <ngx_event_timer.h>

	#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_CONN_CLOSE 0
	#define NGX_HTTP_CONN_KEEP_ALIVE 1


	#define NGX_HTTP_PARSE_HEADER_DONE 1
	#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_HEAD 13
	#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_OK 200
	#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_REQUEST_URI_TOO_LARGE 414
	#define NGX_HTTP_INTERNAL_SERVER_ERROR 500


	#define NGX_HTTP_STATIC_HANDLER 0
	#define NGX_HTTP_DIRECTORY_HANDLER 1



	typedef struct {
	char *doc_root;
	size_t doc_root_len;

	size_t connection_pool_size;
	size_t request_pool_size;

	size_t header_buffer_size;
	size_t discarded_buffer_size;

	ngx_msec_t header_timeout;
	ngx_msec_t lingering_timeout;
	time_t lingering_time;
	} ngx_http_server_t;


	typedef struct {
	size_t len;
	char *data;
	int offset;
	} ngx_http_header_t;


	typedef struct {
	size_t host_name_len;

	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 *accept_encoding;

	ngx_table_t *headers;
	} ngx_http_headers_in_t;


	typedef struct {
	int 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 *location;
	ngx_table_elt_t *last_modified;

	ngx_table_t *headers;

	off_t content_length;
	char *charset;
	char *etag;
	time_t date_time;
	time_t last_modified_time;
	} ngx_http_headers_out_t;


	typedef struct ngx_http_request_s ngx_http_request_t;

	struct ngx_http_request_s {
	ngx_file_t file;

	void **ctx;
	void **srv_conf;
	void **loc_conf;

	ngx_pool_t *pool;
	ngx_hunk_t *header_in;

	ngx_http_headers_in_t headers_in;
	ngx_http_headers_out_t headers_out;

	int (handler)(ngx_http_request_t r);

	int method;

	time_t lingering_time;

	int http_version;
	int http_major;
	int http_minor;

	ngx_str_t request_line;
	ngx_str_t uri;
	ngx_str_t exten;
	ngx_http_request_t *main;

	ngx_connection_t *connection;

	u_int in_addr;

	int port;
	ngx_str_t port_name;

	int filter;

	ssize_t client_content_length;
	char *discarded_buffer;

	ngx_str_t path;
	int path_err;

	unsigned keepalive:1;
	unsigned lingering_close:1;

	unsigned header_read:1;
	unsigned header_timeout_set:1;

	unsigned logging:1;

	unsigned header_only:1;
	unsigned unusual_uri:1; /* URI is not started with '/' - "GET http://" */
	unsigned complex_uri:1; /* URI with "/." or with "//" (WIN32) */
	unsigned path_not_found:1;
	#ifdef NGX_EVENT
	unsigned write_level_event:1;
	#endif

	int state;
	char *uri_start;
	char *uri_end;
	char *uri_ext;
	char *args_start;
	char *request_end;
	char *header_name_start;
	char *header_name_end;
	char *header_start;
	char *header_end;
	#ifdef NGX_EVENT
	int (state_handler)(ngx_http_request_t r);
	#endif
	};


	typedef struct {
	char *action;
	char *client;
	char *url;
	} ngx_http_log_ctx_t;


	typedef int (ngx_http_handler_pt)(ngx_http_request_t r);

	typedef int (ngx_http_output_header_filter_p)(ngx_http_request_t r);

	typedef int (*ngx_http_output_body_filter_p)
	(ngx_http_request_t r, ngx_chain_t chain);



	typedef struct {
	int index;

	void (create_srv_conf)(ngx_pool_t *p);
	char (init_srv_conf)(ngx_pool_t p, void conf);
	void (create_loc_conf)(ngx_pool_t *p);
	char (merge_loc_conf)(ngx_pool_t p, void prev, void *conf);

	int (translate_handler)(ngx_http_request_t r);

	int (output_header_filter) (ngx_http_request_t r);
	int (next_output_header_filter) (ngx_http_request_t r);

	int (output_body_filter) (ngx_http_request_t r, ngx_chain_t *ch);
	int (next_output_body_filter) (ngx_http_request_t r, ngx_chain_t *ch);
	} ngx_http_module_t;


	#define NGX_HTTP_MODULE 0x80000000

	#define NGX_HTTP_MODULE_TYPE 0x50545448 /* "HTTP" */


	#define ngx_http_get_module_srv_conf(r, module) r->srv_conf[module.index]
	#define ngx_http_get_module_loc_conf(r, module) r->loc_conf[module.index]
	#define ngx_http_get_module_ctx(r, module) r->ctx[module.index]

	#define ngx_http_create_ctx(r, cx, module, size) \
	do { \
	ngx_test_null(cx, ngx_pcalloc(r->pool, size), NGX_ERROR); \
	r->ctx[module.index] = cx; \
	} while (0)



	/* STUB */
	#define NGX_INDEX "index.html"


	/* STUB */
	int ngx_http_init(ngx_pool_t pool, ngx_log_t log);
	/**/

	int ngx_http_init_connection(ngx_connection_t *c);
	int ngx_read_http_request_line(ngx_http_request_t *r);
	int ngx_read_http_header_line(ngx_http_request_t r, ngx_hunk_t h);
	int ngx_http_handler(ngx_http_request_t *r);


	int ngx_http_send_header(ngx_http_request_t *r);
	int ngx_http_special_response(ngx_http_request_t *r, int error);


	time_t ngx_http_parse_time(char *value, size_t len);
	size_t ngx_http_get_time(char *buf, time_t t);


	int ngx_http_discard_body(ngx_http_request_t *r);




	extern int ngx_max_module;
	extern ngx_array_t ngx_http_servers;


	extern int ngx_http_post_accept_timeout;
	extern int ngx_http_connection_pool_size;
	extern int ngx_http_request_pool_size;
	extern int ngx_http_client_header_timeout;
	extern int ngx_http_client_header_buffer_size;
	extern int ngx_http_large_client_header;
	extern int ngx_http_discarded_buffer_size;

	extern int ngx_http_lingering_timeout;
	extern int ngx_http_lingering_time;

	extern int ngx_http_url_in_error_log;

	extern ngx_array_t ngx_http_index_handlers;


	extern ngx_http_module_t *ngx_http_modules[];


	/* STUB */
	int ngx_http_log_handler(ngx_http_request_t *r);
	/**/


	#endif /* _NGX_HTTP_H_INCLUDED_ */