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
|
#ifndef DEBUG_H
#define DEBUG_H
#include <unistd.h>
#include <sys/syscall.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
extern uint32_t tsnif_debug;
#define BIT2NUM(bit) (1 << bit)
enum {
DEBUG_STORAGE = BIT2NUM(0),
DEBUG_FSM = BIT2NUM(1),
DEBUG_INTF = BIT2NUM(2),
DEBUG_TRANS = BIT2NUM(3),
DEBUG_APP = BIT2NUM(4),
FLAGS_MAX = 5,
VERBOSE_STORAGE = BIT2NUM(16),
VERBOSE_FSM = BIT2NUM(17),
VERBOSE_INTF = BIT2NUM(18),
VERBOSE_TRANS = BIT2NUM(19),
VERBOSE_APP = BIT2NUM(20),
};
static char *debug_flag_name[FLAGS_MAX] = {
"storage",
"fsm",
"intf",
"trans",
"app",
};
static inline void debug_print(int flag, char *file, int line,
const char *func, char *fmt, ...)
{
#define MAXBUF 256
char buf[MAXBUF];
int name_idx;
va_list ap;
if (!(flag & tsnif_debug))
return;
name_idx = (ffs(flag) % 16) - 1;
if (flag < BIT2NUM(16)) {
snprintf(buf, MAXBUF, "%s [%3d:%s:%05d %s] %s",
debug_flag_name[name_idx],
(pid_t) syscall(SYS_gettid),
file,
line,
func,
fmt);
} else {
snprintf(buf, MAXBUF, "[%s] %s",
debug_flag_name[name_idx],
fmt);
}
va_start(ap, fmt);
vfprintf(stdout, buf, ap);
va_end(ap);
}
#define TSNIF_DEBUG(flag, fmt, ...) \
debug_print(DEBUG_##flag, __FILE__, __LINE__, __FUNCTION__, \
fmt, ##__VA_ARGS__)
#define TSNIF_VERBOSE(flag, fmt, ...) \
debug_print(VERBOSE_##flag, __FILE__, __LINE__, __FUNCTION__, \
fmt, ##__VA_ARGS__)
int debug_parse_flags(int debug, char *flags);
#endif /* DEBUG_H */
|
