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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
#include "log.h"
#include <unistd.h>
#include <string.h>
#include <stdarg.h>
#include <syslog.h>
#include "fio.h"
#include "oslib/asprintf.h"
size_t log_info_buf(const char *buf, size_t len)
{
/*
* buf could be NULL (not just "").
*/
if (!buf)
return 0;
if (is_backend) {
ssize_t ret = fio_server_text_output(FIO_LOG_INFO, buf, len);
if (ret != -1)
return ret;
}
if (log_syslog) {
syslog(LOG_INFO, "%s", buf);
return len;
} else
return fwrite(buf, len, 1, f_out);
}
size_t log_valist(const char *fmt, va_list args)
{
char *buffer;
int len;
len = vasprintf(&buffer, fmt, args);
if (len < 0)
return 0;
len = log_info_buf(buffer, len);
free(buffer);
return len;
}
/* add prefix for the specified type in front of the valist */
#ifdef FIO_INC_DEBUG
void log_prevalist(int type, const char *fmt, va_list args)
{
char *buf1, *buf2;
int len;
pid_t pid;
pid = gettid();
if (fio_debug_jobp && *fio_debug_jobp != -1U
&& pid != *fio_debug_jobp)
return;
len = vasprintf(&buf1, fmt, args);
if (len < 0)
return;
len = asprintf(&buf2, "%-8s %-5u %s", debug_levels[type].name,
(int) pid, buf1);
free(buf1);
if (len < 0)
return;
log_info_buf(buf2, len);
free(buf2);
}
#endif
ssize_t log_info(const char *format, ...)
{
va_list args;
ssize_t ret;
va_start(args, format);
ret = log_valist(format, args);
va_end(args);
return ret;
}
size_t __log_buf(struct buf_output *buf, const char *format, ...)
{
char *buffer;
va_list args;
int len;
va_start(args, format);
len = vasprintf(&buffer, format, args);
va_end(args);
if (len < 0)
return 0;
len = buf_output_add(buf, buffer, len);
free(buffer);
return len;
}
int log_info_flush(void)
{
if (is_backend || log_syslog)
return 0;
return fflush(f_out);
}
ssize_t log_err(const char *format, ...)
{
ssize_t ret;
int len;
char *buffer;
va_list args;
va_start(args, format);
len = vasprintf(&buffer, format, args);
va_end(args);
if (len < 0)
return len;
if (is_backend) {
ret = fio_server_text_output(FIO_LOG_ERR, buffer, len);
if (ret != -1)
goto done;
}
if (log_syslog) {
syslog(LOG_INFO, "%s", buffer);
ret = len;
} else {
if (f_err != stderr)
ret = fwrite(buffer, len, 1, stderr);
ret = fwrite(buffer, len, 1, f_err);
}
done:
free(buffer);
return ret;
}
const char *log_get_level(int level)
{
static const char *levels[] = { "Unknown", "Debug", "Info", "Error",
"Unknown" };
if (level >= FIO_LOG_NR)
level = FIO_LOG_NR;
return levels[level];
}
|
