mirror of
https://github.com/nginx/nginx.git
synced 2024-12-15 13:28:59 +08:00
323 lines
8.6 KiB
C
323 lines
8.6 KiB
C
#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_ */
|