| Current File : //opt/alt/php81/usr/include/php/ext/swoole/thirdparty/swoole_http_parser.h |
/* Copyright 2009,2010 Ryan Dahl <ry@tinyclouds.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/* modified by Moriyoshi Koizumi <moriyoshi@php.net> to make it fit to PHP source tree. */
#ifndef swoole_http_parser_h
#define swoole_http_parser_h
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <stdint.h>
/* Compile with -DPHP_HTTP_PARSER_STRICT=0 to make less checks, but run
* faster
*/
#ifndef PHP_HTTP_PARSER_STRICT
# define PHP_HTTP_PARSER_STRICT 1
#else
# define PHP_HTTP_PARSER_STRICT 0
#endif
/* Maximum header size allowed */
#define PHP_HTTP_MAX_HEADER_SIZE (80*1024)
typedef struct swoole_http_parser swoole_http_parser;
typedef struct swoole_http_parser_settings swoole_http_parser_settings;
/* Callbacks should return non-zero to indicate an error. The parser will
* then halt execution.
*
* The one exception is on_headers_complete. In a PHP_HTTP_RESPONSE parser
* returning '1' from on_headers_complete will tell the parser that it
* should not expect a body. This is used when receiving a response to a
* HEAD request which may contain 'Content-Length' or 'Transfer-Encoding:
* chunked' headers that indicate the presence of a body.
*
* http_data_cb does not return data chunks. It will be call arbitrarally
* many times for each string. E.G. you might get 10 callbacks for "on_path"
* each providing just a few characters more data.
*/
typedef int (*swoole_http_data_cb) (swoole_http_parser*, const char *at, size_t length);
typedef int (*swoole_http_cb) (swoole_http_parser*);
/* Request Methods */
enum swoole_http_method
{ PHP_HTTP_DELETE = 0
, PHP_HTTP_GET
, PHP_HTTP_HEAD
, PHP_HTTP_POST
, PHP_HTTP_PUT
, PHP_HTTP_PATCH
/* pathological */
, PHP_HTTP_CONNECT
, PHP_HTTP_OPTIONS
, PHP_HTTP_TRACE
/* webdav */
, PHP_HTTP_COPY
, PHP_HTTP_LOCK
, PHP_HTTP_MKCOL
, PHP_HTTP_MOVE
, PHP_HTTP_MKCALENDAR
, PHP_HTTP_PROPFIND
, PHP_HTTP_PROPPATCH
, PHP_HTTP_SEARCH
, PHP_HTTP_UNLOCK
/* subversion */
, PHP_HTTP_REPORT
, PHP_HTTP_MKACTIVITY
, PHP_HTTP_CHECKOUT
, PHP_HTTP_MERGE
/* upnp */
, PHP_HTTP_MSEARCH
, PHP_HTTP_NOTIFY
, PHP_HTTP_SUBSCRIBE
, PHP_HTTP_UNSUBSCRIBE
/* proxy */
, PHP_HTTP_PURGE
/* unknown, not implemented */
, PHP_HTTP_NOT_IMPLEMENTED
};
enum swoole_http_parser_type { PHP_HTTP_REQUEST, PHP_HTTP_RESPONSE, PHP_HTTP_BOTH };
enum state
{ s_dead = 1 /* important that this is > 0 */
, s_start_req_or_res
, s_res_or_resp_H
, s_start_res
, s_res_H
, s_res_HT
, s_res_HTT
, s_res_HTTP
, s_res_first_http_major
, s_res_http_major
, s_res_first_http_minor
, s_res_http_minor
, s_res_first_status_code
, s_res_status_code
, s_res_status
, s_res_line_almost_done
, s_start_req
, s_req_method
, s_req_spaces_before_url
, s_req_schema
, s_req_schema_slash
, s_req_schema_slash_slash
, s_req_host
, s_req_port
, s_req_path
, s_req_query_string_start
, s_req_query_string
, s_req_fragment_start
, s_req_fragment
, s_req_http_start
, s_req_http_H
, s_req_http_HT
, s_req_http_HTT
, s_req_http_HTTP
, s_req_first_http_major
, s_req_http_major
, s_req_first_http_minor
, s_req_http_minor
, s_req_line_almost_done
, s_header_field_start
, s_header_field
, s_header_value_start
, s_header_value
, s_header_almost_done
, s_headers_almost_done
/* Important: 's_headers_almost_done' must be the last 'header' state. All
* states beyond this must be 'body' states. It is used for overflow
* checking. See the PARSING_HEADER() macro.
*/
, s_chunk_size_start
, s_chunk_size
, s_chunk_size_almost_done
, s_chunk_parameters
, s_chunk_data
, s_chunk_data_almost_done
, s_chunk_data_done
, s_body_identity
, s_body_identity_eof
};
struct swoole_http_parser {
/** PRIVATE **/
unsigned char type : 2;
unsigned char flags : 6;
unsigned char state;
unsigned char header_state;
unsigned char index;
uint32_t nread;
ssize_t content_length;
/** READ-ONLY **/
unsigned short http_major;
unsigned short http_minor;
unsigned short status_code; /* responses only */
enum swoole_http_method method; /* requests only */
/* 1 = Upgrade header was present and the parser has exited because of that.
* 0 = No upgrade header present.
* Should be checked when http_parser_execute() returns in addition to
* error checking.
*/
char upgrade;
/** PUBLIC **/
void *data; /* A pointer to get hook to the "connection" or "socket" object */
};
struct swoole_http_parser_settings {
swoole_http_cb on_message_begin;
swoole_http_data_cb on_path;
swoole_http_data_cb on_query_string;
swoole_http_data_cb on_url;
swoole_http_data_cb on_fragment;
swoole_http_data_cb on_header_field;
swoole_http_data_cb on_header_value;
swoole_http_cb on_headers_complete;
swoole_http_data_cb on_body;
swoole_http_cb on_message_complete;
};
void swoole_http_parser_init(swoole_http_parser *parser, enum swoole_http_parser_type type);
size_t swoole_http_parser_execute(swoole_http_parser *parser,
const swoole_http_parser_settings *settings,
const char *data,
size_t len);
/* If swoole_http_should_keep_alive() in the on_headers_complete or
* on_message_complete callback returns true, then this will be should be
* the last message on the connection.
* If you are the server, respond with the "Connection: close" header.
* If you are the client, close the connection.
*/
int swoole_http_should_keep_alive(swoole_http_parser *parser);
/* Returns a string version of the HTTP method. */
const char *swoole_http_method_str(enum swoole_http_method);
#ifdef __cplusplus
}
#endif
#endif