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120 lines
3.5 KiB
120 lines
3.5 KiB
/* Copyright 2008, 2009 Ryan Dahl <ry@tinyclouds.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef http_parser_h
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#define http_parser_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef _MSC_VER
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# include <stddef.h>
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#endif
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#include <sys/types.h>
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/* Compile with -DHTTP_PARSER_STRICT=0 to make less checks, but run
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* faster
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*/
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#ifndef HTTP_PARSER_STRICT
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# define HTTP_PARSER_STRICT 1
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#else
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# define HTTP_PARSER_STRICT 0
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#endif
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typedef struct http_parser http_parser;
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/* Callbacks should return non-zero to indicate an error. The parse will
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* then halt execution.
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*
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* http_data_cb does not return data chunks. It will be call arbitrarally
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* many times for each string. E.G. you might get 10 callbacks for "on_path"
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* each providing just a few characters more data.
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*/
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typedef int (*http_data_cb) (http_parser*, const char *at, size_t length);
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typedef int (*http_cb) (http_parser*);
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/* Request Methods */
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enum http_method
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{ HTTP_DELETE = 0x0002
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, HTTP_GET = 0x0004
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, HTTP_HEAD = 0x0008
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, HTTP_POST = 0x0100
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, HTTP_PUT = 0x0800
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};
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struct http_parser {
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/** PRIVATE **/
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unsigned short state;
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unsigned short header_state;
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size_t header_index;
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char flags;
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ssize_t body_read;
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ssize_t content_length;
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const char *header_field_mark;
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size_t header_field_size;
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const char *header_value_mark;
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size_t header_value_size;
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const char *query_string_mark;
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size_t query_string_size;
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const char *path_mark;
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size_t path_size;
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const char *url_mark;
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size_t url_size;
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const char *fragment_mark;
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size_t fragment_size;
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/** READ-ONLY **/
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unsigned short status_code; /* responses only */
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enum http_method method; /* requests only */
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unsigned short http_major;
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unsigned short http_minor;
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/** PUBLIC **/
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void *data; /* A pointer to get hook to the "connection" or "socket" object */
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/* an ordered list of callbacks */
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http_cb on_message_begin;
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/* requests only */
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http_data_cb on_path;
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http_data_cb on_query_string;
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http_data_cb on_url;
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http_data_cb on_fragment;
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http_data_cb on_header_field;
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http_data_cb on_header_value;
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http_cb on_headers_complete;
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http_data_cb on_body;
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http_cb on_message_complete;
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};
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void http_parser_init(http_parser *parser);
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size_t http_parse_requests(http_parser *parser, const char *data, size_t len);
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size_t http_parse_responses(http_parser *parser, const char *data, size_t len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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