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1 | /********************************************************************* |
2 | * Copyright 2017-2018 Network Device Education Foundation, Inc. ("NetDEF") | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License as published by the Free | |
6 | * Software Foundation; either version 2 of the License, or (at your option) | |
7 | * any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; see the file COPYING; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | * | |
18 | * log.c: implements an abstraction between loggers interface. Implement all | |
19 | * log backends in this file. | |
20 | * | |
21 | * Authors | |
22 | * ------- | |
23 | * Rafael Zalamena <rzalamena@opensourcerouting.org> | |
24 | */ | |
25 | ||
26 | #include <zebra.h> | |
27 | ||
e9e2c950 RZ |
28 | #include "bfd.h" |
29 | ||
30 | #include "lib/log_int.h" | |
31 | ||
32 | void log_msg(int level, const char *fmt, va_list vl); | |
33 | ||
34 | ||
35 | static int log_fg; | |
36 | static int log_level = BLOG_DEBUG; | |
37 | ||
38 | void log_init(int foreground, enum blog_level level, | |
39 | struct frr_daemon_info *fdi) | |
40 | { | |
41 | log_fg = foreground; | |
42 | log_level = level; | |
43 | ||
44 | openzlog(fdi->progname, fdi->logname, 0, | |
45 | LOG_CONS | LOG_NDELAY | LOG_PID, LOG_DAEMON); | |
46 | } | |
47 | ||
48 | void log_msg(int level, const char *fmt, va_list vl) | |
49 | { | |
50 | if (level < log_level) | |
51 | return; | |
52 | ||
53 | switch (level) { | |
54 | case BLOG_DEBUG: | |
55 | vzlog(LOG_DEBUG, fmt, vl); | |
56 | break; | |
57 | ||
58 | case BLOG_INFO: | |
59 | vzlog(LOG_INFO, fmt, vl); | |
60 | break; | |
61 | ||
62 | case BLOG_WARNING: | |
63 | vzlog(LOG_WARNING, fmt, vl); | |
64 | break; | |
65 | ||
66 | case BLOG_ERROR: | |
67 | vzlog(LOG_ERR, fmt, vl); | |
68 | break; | |
69 | ||
70 | case BLOG_FATAL: | |
71 | vzlog(LOG_EMERG, fmt, vl); | |
72 | break; | |
73 | ||
74 | default: | |
75 | vfprintf(stderr, fmt, vl); | |
76 | break; | |
77 | } | |
78 | } | |
79 | ||
80 | void log_info(const char *fmt, ...) | |
81 | { | |
82 | va_list vl; | |
83 | ||
84 | va_start(vl, fmt); | |
85 | log_msg(BLOG_INFO, fmt, vl); | |
86 | va_end(vl); | |
87 | } | |
88 | ||
89 | void log_debug(const char *fmt, ...) | |
90 | { | |
91 | va_list vl; | |
92 | ||
93 | va_start(vl, fmt); | |
94 | log_msg(BLOG_DEBUG, fmt, vl); | |
95 | va_end(vl); | |
96 | } | |
97 | ||
98 | void log_error(const char *fmt, ...) | |
99 | { | |
100 | va_list vl; | |
101 | ||
102 | va_start(vl, fmt); | |
103 | log_msg(BLOG_ERROR, fmt, vl); | |
104 | va_end(vl); | |
105 | } | |
106 | ||
107 | void log_warning(const char *fmt, ...) | |
108 | { | |
109 | va_list vl; | |
110 | ||
111 | va_start(vl, fmt); | |
112 | log_msg(BLOG_WARNING, fmt, vl); | |
113 | va_end(vl); | |
114 | } | |
115 | ||
116 | void log_fatal(const char *fmt, ...) | |
117 | { | |
118 | va_list vl; | |
119 | ||
120 | va_start(vl, fmt); | |
121 | log_msg(BLOG_FATAL, fmt, vl); | |
122 | va_end(vl); | |
123 | ||
124 | exit(1); | |
125 | } |