blob: 893917b8f9faa0c9c36c36e7528362c7dae76aa6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/**
* @file parser.h
*
* @brief Generic parser class used to parse IKEv2-Header and Payload
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef PARSER_H_
#define PARSER_H_
#include "types.h"
#include "encodings.h"
typedef struct parser_context_s parser_context_t;
struct parser_context_s {
status_t (*destroy) (parser_context_t *this);
};
/**
* @brief A parser_t object which parses payloads of specific type
*/
typedef struct parser_s parser_t;
struct parser_s {
/**
* @brief parses a chunk and generates a usable data struct
*
* Remember: Header and substructures are also seen as payloads
*
* @param parser parser Object
* @param payload_type definition of payload including encoding_rule
* @param data chunk of data to parse
* @param[out] allocated structure with parsed data
* @return
* - SUCCESSFUL if succeeded,
* - NOT_SUPPORTED if payload_type is not supported
* - OUT_OF_RES if out of ressources
* - PARSE_ERROR if corrupted data found
*/
parser_context_t *(*create_context) (parser_t *this, chunk_t data);
status_t (*parse_payload) (parser_t *this, parser_context_t* context, payload_type_t payload_type, void **data_struct);
/**
* @brief Destroys a parser object
*
* @param parser parser object
* @return
* - SUCCESSFUL in any case
*/
status_t (*destroy) (parser_t *this);
};
/**
* Constructor to create a parser
*
*/
parser_t *parser_create(payload_info_t **payload_infos);
#endif /*PARSER_H_*/
|
