2 Copyright (C) 2016, 2017 "IoT.bzh"
4 author: José Bollo <jose.bollo@iot.bzh>
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
24 #if !defined(DEFAULT_VERBOSITY)
25 # define DEFAULT_VERBOSITY Verbosity_Level_Warning
29 void (*verbose_observer)(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args);
31 #define CROP_LOGLEVEL(x) ((x) < Log_Level_Emergency ? Log_Level_Emergency : (x) > Log_Level_Debug ? Log_Level_Debug : (x))
33 #if defined(VERBOSE_WITH_SYSLOG)
37 static void _vverbose_(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
41 if (file == NULL || vasprintf(&p, fmt, args) < 0)
42 vsyslog(loglevel, fmt, args);
44 syslog(CROP_LOGLEVEL(loglevel), "%s [%s:%d, function]", p, file, line, function);
49 void verbose_set_name(const char *name, int authority)
51 openlog(name, LOG_PERROR, authority ? LOG_AUTH : LOG_USER);
54 #elif defined(VERBOSE_WITH_SYSTEMD)
56 #define SD_JOURNAL_SUPPRESS_LOCATION
58 #include <systemd/sd-journal.h>
60 static const char *appname;
62 static int appauthority;
64 static void _vverbose_(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
69 sd_journal_printv(loglevel, fmt, args);
71 sprintf(lino, "%d", line);
72 sd_journal_printv_with_location(loglevel, file, lino, function, fmt, args);
76 void verbose_set_name(const char *name, int authority)
79 appauthority = authority;
87 static const char *appname;
89 static int appauthority;
91 static const char *prefixes[] = {
102 static void _vverbose_(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
105 int tty = isatty(fileno(stderr));
108 fprintf(stderr, "%s: ", prefixes[CROP_LOGLEVEL(loglevel)] + (tty ? 4 : 0));
109 vfprintf(stderr, fmt, args);
110 if (file != NULL && (!tty || verbosity > 2))
111 fprintf(stderr, " [%s:%d,%s]\n", file, line, function);
113 fprintf(stderr, "\n");
116 void verbose_set_name(const char *name, int authority)
119 appauthority = authority;
124 void verbose(int loglevel, const char *file, int line, const char *function, const char *fmt, ...)
129 vverbose(loglevel, file, line, function, fmt, ap);
133 void vverbose(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
135 if (verbose_observer) {
138 verbose_observer(loglevel, file, line, function, fmt, ap);
141 _vverbose_(loglevel, file, line, function, fmt, args);