1#include <unistd.h>
2#include <fcntl.h>
3#include <string.h>
4#include <stdarg.h>
5#include <syslog.h>
6
7#include "fio.h"
8
9int log_valist(const char *str, va_list args)
10{
11	char buffer[1024];
12	size_t len;
13
14	len = vsnprintf(buffer, sizeof(buffer), str, args);
15	len = min(len, sizeof(buffer) - 1);
16
17	if (is_backend)
18		len = fio_server_text_output(FIO_LOG_INFO, buffer, len);
19	if (log_syslog)
20		syslog(LOG_INFO, "%s", buffer);
21	else
22		len = fwrite(buffer, len, 1, f_out);
23
24	return len;
25}
26
27int log_local_buf(const char *buf, size_t len)
28{
29	if (log_syslog)
30		syslog(LOG_INFO, "%s", buf);
31	else
32		len = fwrite(buf, len, 1, f_out);
33
34	return len;
35}
36
37int log_info(const char *format, ...)
38{
39	char buffer[1024];
40	va_list args;
41	size_t len;
42
43	va_start(args, format);
44	len = vsnprintf(buffer, sizeof(buffer), format, args);
45	va_end(args);
46	len = min(len, sizeof(buffer) - 1);
47
48	if (is_backend)
49		return fio_server_text_output(FIO_LOG_INFO, buffer, len);
50	else if (log_syslog) {
51		syslog(LOG_INFO, "%s", buffer);
52		return len;
53	} else
54		return fwrite(buffer, len, 1, f_out);
55}
56
57int log_info_flush(void)
58{
59	if (is_backend || log_syslog)
60		return 0;
61
62	return fflush(f_out);
63}
64
65int log_err(const char *format, ...)
66{
67	char buffer[1024];
68	va_list args;
69	size_t len;
70
71	va_start(args, format);
72	len = vsnprintf(buffer, sizeof(buffer), format, args);
73	va_end(args);
74	len = min(len, sizeof(buffer) - 1);
75
76	if (is_backend)
77		return fio_server_text_output(FIO_LOG_ERR, buffer, len);
78	else if (log_syslog) {
79		syslog(LOG_INFO, "%s", buffer);
80		return len;
81	} else {
82		if (f_err != stderr) {
83			int fio_unused ret;
84
85			ret = fwrite(buffer, len, 1, stderr);
86		}
87
88		return fwrite(buffer, len, 1, f_err);
89	}
90}
91
92const char *log_get_level(int level)
93{
94	static const char *levels[] = { "Unknown", "Debug", "Info", "Error",
95						"Unknown" };
96
97	if (level >= FIO_LOG_NR)
98		level = FIO_LOG_NR;
99
100	return levels[level];
101}
102