parser.h revision d467427f3634db7678a6d8e9ff1aecd1b76f66c3 
1/*
2	HCIDump - HCI packet analyzer
3	Copyright (C) 2000-2001 Maxim Krasnyansky <maxk@qualcomm.com>
4
5	This program is free software; you can redistribute it and/or modify
6	it under the terms of the GNU General Public License version 2 as
7	published by the Free Software Foundation;
8
9	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
10	OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
11	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
12	IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY CLAIM,
13	OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER
14	RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
15	NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
16	USE OR PERFORMANCE OF THIS SOFTWARE.
17
18	ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, COPYRIGHTS,
19	TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS SOFTWARE IS DISCLAIMED.
20*/
21
22/*
23 * $Id$
24 */
25
26struct frame {
27	void *data;
28	int  data_len;
29	void *ptr;
30	int  len;
31	int  in;
32	int  handle;
33	long flags;
34};
35
36/* Parser flags */
37#define DUMP_WIDTH	20
38
39#define DUMP_HEX	0x01
40#define DUMP_ASCII	0x02
41#define DUMP_TYPE_MASK	(DUMP_HEX | DUMP_ASCII)
42
43/* Parser filter */
44#define FILT_HCI	0x0001
45#define FILT_L2CAP	0x0002
46#define FILT_RFCOMM	0x0004
47#define FILT_SDP	0x0008
48#define FILT_SCO	0x0010
49
50struct parser_t {
51	unsigned long flags;
52	unsigned long filter;
53	int state;
54};
55
56extern struct parser_t parser;
57
58void init_parser(unsigned long flags, unsigned long filter);
59
60static inline int p_filter(unsigned long f)
61{
62	return !(parser.filter & f);
63}
64
65static inline void p_indent(int level, int in)
66{
67	if (level < 0) {
68		parser.state = 0;
69		return;
70	}
71
72	if (!parser.state) {
73		printf("%c ", (in ? '>' : '<'));
74		parser.state = 1;
75	} else
76		printf("  ");
77
78	if (level)
79		printf("%*c", (level*2), ' ');
80}
81
82void raw_dump(int level, struct frame *frm);
83void hci_dump(int level, struct frame *frm);
84void l2cap_dump(int level, struct frame *frm);
85void rfcomm_dump(int level, struct frame *frm);
86void sdp_dump(int level, struct frame *frm);
87
88static inline void parse(struct frame *frm)
89{
90	p_indent(-1, 0);
91	hci_dump(0, frm);
92	fflush(stdout);
93}
94