parser.h revision 0a7b156a76a997be7f4093f2f16943b5d7ae2bc5 
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	struct	timeval ts;
35};
36
37/* Parser flags */
38#define DUMP_WIDTH	20
39
40#define DUMP_HEX	0x01
41#define DUMP_ASCII	0x02
42#define DUMP_TYPE_MASK	(DUMP_HEX | DUMP_ASCII)
43#define DUMP_TSTAMP	0x04
44#define DUMP_RAW	0x08
45
46/* Parser filter */
47#define FILT_HCI	0x0001
48#define FILT_L2CAP	0x0002
49#define FILT_RFCOMM	0x0004
50#define FILT_SDP	0x0008
51#define FILT_SCO	0x0010
52#define FILT_BNEP       0x0020
53
54struct parser_t {
55	unsigned long flags;
56	unsigned long filter;
57	int state;
58};
59
60extern struct parser_t parser;
61
62void init_parser(unsigned long flags, unsigned long filter);
63
64static inline int p_filter(unsigned long f)
65{
66	return !(parser.filter & f);
67}
68
69static inline void p_indent(int level, struct frame *f)
70{
71	if (level < 0) {
72		parser.state = 0;
73		return;
74	}
75
76	if (!parser.state) {
77		if (parser.flags & DUMP_TSTAMP)
78			printf("%ld.%ld ", f->ts.tv_sec, f->ts.tv_usec);
79		printf("%c ", (f->in ? '>' : '<'));
80		parser.state = 1;
81	} else
82		printf("  ");
83
84	if (level)
85		printf("%*c", (level*2), ' ');
86}
87
88inline __u8 get_u8(struct frame *frm);
89inline __u16 get_u16(struct frame *frm);
90inline __u32 get_u32(struct frame *frm);
91inline char* get_uuid_name(int uuid);
92
93void raw_dump(int level, struct frame *frm);
94void hci_dump(int level, struct frame *frm);
95void l2cap_dump(int level, struct frame *frm);
96void rfcomm_dump(int level, struct frame *frm);
97void sdp_dump(int level, struct frame *frm);
98void bnep_dump(int level, struct frame *frm);
99
100static inline void parse(struct frame *frm)
101{
102	p_indent(-1, NULL);
103	if (parser.flags & DUMP_RAW)
104		raw_dump(0, frm);
105	else
106		hci_dump(0, frm);
107	fflush(stdout);
108}
109