Commit | Line | Data |
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ac9b9101 JA |
1 | #include <unistd.h> |
2 | #include <fcntl.h> | |
3 | #include <string.h> | |
4 | #include <stdarg.h> | |
e46d8091 | 5 | #include <syslog.h> |
3c39a379 | 6 | |
ac9b9101 | 7 | #include "fio.h" |
3c39a379 | 8 | |
7d64aa48 JA |
9 | #define LOG_START_SZ 512 |
10 | ||
830814d4 JA |
11 | size_t log_info_buf(const char *buf, size_t len) |
12 | { | |
3dc3aa41 TK |
13 | /* |
14 | * buf could be NULL (not just ""). | |
15 | */ | |
16 | if (!buf) | |
17 | return 0; | |
18 | ||
408e0b90 JA |
19 | if (is_backend) { |
20 | size_t ret = fio_server_text_output(FIO_LOG_INFO, buf, len); | |
21 | if (ret != -1) | |
22 | return ret; | |
23 | } | |
24 | ||
25 | if (log_syslog) { | |
830814d4 JA |
26 | syslog(LOG_INFO, "%s", buf); |
27 | return len; | |
28 | } else | |
29 | return fwrite(buf, len, 1, f_out); | |
30 | } | |
31 | ||
fc97d6ae | 32 | static size_t valist_to_buf(char **buffer, const char *fmt, va_list src_args) |
e46d8091 | 33 | { |
7d64aa48 | 34 | size_t len, cur = LOG_START_SZ; |
fc97d6ae | 35 | va_list args; |
7d64aa48 JA |
36 | |
37 | do { | |
fc97d6ae JA |
38 | *buffer = calloc(1, cur); |
39 | ||
40 | va_copy(args, src_args); | |
41 | len = vsnprintf(*buffer, cur, fmt, args); | |
42 | va_end(args); | |
7d64aa48 | 43 | |
c78e8496 | 44 | if (len < cur) |
7d64aa48 | 45 | break; |
734f38cb | 46 | |
c78e8496 | 47 | cur = len + 1; |
fc97d6ae | 48 | free(*buffer); |
7d64aa48 | 49 | } while (1); |
734f38cb | 50 | |
fc97d6ae | 51 | return len; |
e46d8091 JA |
52 | } |
53 | ||
fc97d6ae | 54 | size_t log_valist(const char *fmt, va_list args) |
3c39a379 | 55 | { |
7d64aa48 | 56 | char *buffer; |
fc97d6ae | 57 | size_t len; |
7d64aa48 | 58 | |
fc97d6ae JA |
59 | len = valist_to_buf(&buffer, fmt, args); |
60 | len = log_info_buf(buffer, len); | |
61 | free(buffer); | |
f29b25a3 | 62 | |
fc97d6ae JA |
63 | return len; |
64 | } | |
7d64aa48 | 65 | |
fc97d6ae JA |
66 | size_t log_info(const char *format, ...) |
67 | { | |
68 | va_list args; | |
69 | size_t ret; | |
7d64aa48 | 70 | |
fc97d6ae JA |
71 | va_start(args, format); |
72 | ret = log_valist(format, args); | |
73 | va_end(args); | |
7d64aa48 | 74 | |
fc97d6ae | 75 | return ret; |
f29b25a3 JA |
76 | } |
77 | ||
5768cc2b | 78 | size_t __log_buf(struct buf_output *buf, const char *format, ...) |
a666cab8 | 79 | { |
7d64aa48 | 80 | char *buffer; |
a666cab8 | 81 | va_list args; |
fc97d6ae | 82 | size_t len; |
a666cab8 | 83 | |
fc97d6ae JA |
84 | va_start(args, format); |
85 | len = valist_to_buf(&buffer, format, args); | |
86 | va_end(args); | |
7d64aa48 | 87 | |
fc97d6ae | 88 | len = buf_output_add(buf, buffer, len); |
7d64aa48 JA |
89 | free(buffer); |
90 | ||
fc97d6ae | 91 | return len; |
a666cab8 JA |
92 | } |
93 | ||
fdd5f15f VKF |
94 | int log_info_flush(void) |
95 | { | |
96 | if (is_backend || log_syslog) | |
97 | return 0; | |
98 | ||
99 | return fflush(f_out); | |
100 | } | |
101 | ||
5768cc2b | 102 | size_t log_err(const char *format, ...) |
fb71fbd7 | 103 | { |
fc97d6ae | 104 | size_t ret, len; |
7d64aa48 | 105 | char *buffer; |
ac9b9101 | 106 | va_list args; |
f29b25a3 | 107 | |
fc97d6ae JA |
108 | va_start(args, format); |
109 | len = valist_to_buf(&buffer, format, args); | |
110 | va_end(args); | |
fb71fbd7 | 111 | |
408e0b90 | 112 | if (is_backend) { |
7d64aa48 | 113 | ret = fio_server_text_output(FIO_LOG_ERR, buffer, len); |
408e0b90 | 114 | if (ret != -1) |
7d64aa48 | 115 | goto done; |
408e0b90 JA |
116 | } |
117 | ||
118 | if (log_syslog) { | |
13755d94 | 119 | syslog(LOG_INFO, "%s", buffer); |
7d64aa48 | 120 | ret = len; |
13755d94 | 121 | } else { |
7d64aa48 | 122 | if (f_err != stderr) |
1f39e555 | 123 | ret = fwrite(buffer, len, 1, stderr); |
fb71fbd7 | 124 | |
7d64aa48 | 125 | ret = fwrite(buffer, len, 1, f_err); |
f29b25a3 | 126 | } |
7d64aa48 JA |
127 | |
128 | done: | |
129 | free(buffer); | |
130 | return ret; | |
e3cedca7 | 131 | } |
3ad04399 JA |
132 | |
133 | const char *log_get_level(int level) | |
134 | { | |
135 | static const char *levels[] = { "Unknown", "Debug", "Info", "Error", | |
136 | "Unknown" }; | |
137 | ||
138 | if (level >= FIO_LOG_NR) | |
139 | level = FIO_LOG_NR; | |
140 | ||
141 | return levels[level]; | |
142 | } |