/* This file is part of the libebb web server library
*
* Copyright (c) 2008 Ryan Dahl (ry@ndahl.us)
* All rights reserved.
*
* This parser is based on code from Zed Shaw's Mongrel.
* Copyright (c) 2005 Zed A. Shaw
*
* 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.
*/
#ifndef ebb_request_parser_h
#define ebb_request_parser_h
#include <sys/types.h>
typedef struct ebb_request ebb_request;
typedef struct ebb_request_parser ebb_request_parser;
typedef void (*ebb_header_cb)(ebb_request*, const char *at, size_t length, int header_index);
typedef void (*ebb_element_cb)(ebb_request*, const char *at, size_t length);
#define EBB_MAX_MULTIPART_BOUNDARY_LEN 20
struct ebb_request {
enum { EBB_COPY
, EBB_DELETE
, EBB_GET
, EBB_HEAD
, EBB_LOCK
, EBB_MKCOL
, EBB_MOVE
, EBB_OPTIONS
, EBB_POST
, EBB_PROPFIND
, EBB_PROPPATCH
, EBB_PUT
, EBB_TRACE
, EBB_UNLOCK
} method;
enum { EBB_IDENTITY
, EBB_CHUNKED
} transfer_encoding; /* ro */
size_t content_length; /* ro - 0 if unknown */
size_t body_read; /* ro */
int expect_continue; /* ro */
unsigned int version_major; /* ro */
unsigned int version_minor; /* ro */
int number_of_headers; /* ro */
int keep_alive; /* private - use ebb_request_should_keep_alive */
char multipart_boundary[EBB_MAX_MULTIPART_BOUNDARY_LEN]; /* ro */
unsigned int multipart_boundary_len; /* ro */
/* Public - ordered list of callbacks */
ebb_element_cb on_path;
ebb_element_cb on_query_string;
ebb_element_cb on_uri;
ebb_element_cb on_fragment;
ebb_header_cb on_header_field;
ebb_header_cb on_header_value;
void (*on_headers_complete)(ebb_request *);
ebb_element_cb on_body;
void (*on_complete)(ebb_request *);
void *data;
};
struct ebb_request_parser {
int cs; /* private */
size_t chunk_size; /* private */
unsigned eating:1; /* private */
ebb_request *current_request; /* ro */
const char *header_field_mark;
const char *header_value_mark;
const char *query_string_mark;
const char *path_mark;
const char *uri_mark;
const char *fragment_mark;
/* Public */
ebb_request* (*new_request)(void*);
void *data;
};
void ebb_request_parser_init(ebb_request_parser *parser);
size_t ebb_request_parser_execute(ebb_request_parser *parser, const char *data, size_t len);
int ebb_request_parser_has_error(ebb_request_parser *parser);
int ebb_request_parser_is_finished(ebb_request_parser *parser);
void ebb_request_init(ebb_request *);
int ebb_request_should_keep_alive(ebb_request *request);
#define ebb_request_has_body(request) \
(request->transfer_encoding == EBB_CHUNKED || request->content_length > 0 )
#endif
