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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/stdinc.h"
#include "spdk_internal/log.h"
static const char *const spdk_level_names[] = {
[SPDK_LOG_ERROR] = "ERROR",
[SPDK_LOG_WARN] = "WARNING",
[SPDK_LOG_NOTICE] = "NOTICE",
[SPDK_LOG_INFO] = "INFO",
[SPDK_LOG_DEBUG] = "DEBUG",
};
#define MAX_TMPBUF 1024
static logfunc *g_log = NULL;
void
spdk_log_open(logfunc *logf)
{
if (logf) {
g_log = logf;
} else {
openlog("spdk", LOG_PID, LOG_LOCAL7);
}
}
void
spdk_log_close(void)
{
if (!g_log) {
closelog();
}
}
static void
get_timestamp_prefix(char *buf, int buf_size)
{
struct tm *info;
char date[24];
struct timespec ts;
long usec;
clock_gettime(CLOCK_REALTIME, &ts);
info = localtime(&ts.tv_sec);
usec = ts.tv_nsec / 1000;
if (info == NULL) {
snprintf(buf, buf_size, "[%s.%06ld] ", "unknown date", usec);
return;
}
strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", info);
snprintf(buf, buf_size, "[%s.%06ld] ", date, usec);
}
void
spdk_log(enum spdk_log_level level, const char *file, const int line, const char *func,
const char *format, ...)
{
va_list ap;
va_start(ap, format);
spdk_vlog(level, file, line, func, format, ap);
va_end(ap);
}
void
spdk_vlog(enum spdk_log_level level, const char *file, const int line, const char *func,
const char *format, va_list ap)
{
int severity = LOG_INFO;
char buf[MAX_TMPBUF];
char timestamp[64];
if (g_log) {
g_log(level, file, line, func, format, ap);
return;
}
if (level > g_spdk_log_print_level && level > g_spdk_log_level) {
return;
}
switch (level) {
case SPDK_LOG_ERROR:
severity = LOG_ERR;
break;
case SPDK_LOG_WARN:
severity = LOG_WARNING;
break;
case SPDK_LOG_NOTICE:
severity = LOG_NOTICE;
break;
case SPDK_LOG_INFO:
case SPDK_LOG_DEBUG:
severity = LOG_INFO;
break;
case SPDK_LOG_DISABLED:
return;
}
vsnprintf(buf, sizeof(buf), format, ap);
if (level <= g_spdk_log_print_level) {
get_timestamp_prefix(timestamp, sizeof(timestamp));
if (file) {
fprintf(stderr, "%s%s:%4d:%s: *%s*: %s", timestamp, file, line, func, spdk_level_names[level], buf);
} else {
fprintf(stderr, "%s%s", timestamp, buf);
}
}
if (level <= g_spdk_log_level) {
if (file) {
syslog(severity, "%s:%4d:%s: *%s*: %s", file, line, func, spdk_level_names[level], buf);
} else {
syslog(severity, "%s", buf);
}
}
}
static void
fdump(FILE *fp, const char *label, const uint8_t *buf, size_t len)
{
char tmpbuf[MAX_TMPBUF];
char buf16[16 + 1];
size_t total;
unsigned int idx;
fprintf(fp, "%s\n", label);
memset(buf16, 0, sizeof buf16);
total = 0;
for (idx = 0; idx < len; idx++) {
if (idx != 0 && idx % 16 == 0) {
snprintf(tmpbuf + total, sizeof tmpbuf - total,
" %s", buf16);
memset(buf16, 0, sizeof buf16);
fprintf(fp, "%s\n", tmpbuf);
total = 0;
}
if (idx % 16 == 0) {
total += snprintf(tmpbuf + total, sizeof tmpbuf - total,
"%08x ", idx);
}
if (idx % 8 == 0) {
total += snprintf(tmpbuf + total, sizeof tmpbuf - total,
"%s", " ");
}
total += snprintf(tmpbuf + total, sizeof tmpbuf - total,
"%2.2x ", buf[idx] & 0xff);
buf16[idx % 16] = isprint(buf[idx]) ? buf[idx] : '.';
}
for (; idx % 16 != 0; idx++) {
if (idx == 8) {
total += snprintf(tmpbuf + total, sizeof tmpbuf - total,
" ");
}
total += snprintf(tmpbuf + total, sizeof tmpbuf - total, " ");
}
snprintf(tmpbuf + total, sizeof tmpbuf - total, " %s", buf16);
fprintf(fp, "%s\n", tmpbuf);
fflush(fp);
}
void
spdk_log_dump(FILE *fp, const char *label, const void *buf, size_t len)
{
fdump(fp, label, buf, len);
}
|
