2 * Copyright (C) 2007 Stig Venaas <venaas@uninett.no>
3 * Copyright (C) 2010 NORDUnet A/S
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
26 static char *debug_ident = NULL;
27 static uint8_t debug_level = DBG_INFO;
28 static char *debug_filepath = NULL;
29 static FILE *debug_file = NULL;
30 static int debug_syslogfacility = 0;
31 static uint8_t debug_timestamp = 0;
33 void debug_init(char *ident) {
35 setvbuf(debug_file, NULL, _IONBF, 0);
39 void debug_set_level(uint8_t level) {
42 debug_level = DBG_ERR;
45 debug_level = DBG_WARN;
48 debug_level = DBG_NOTICE;
51 debug_level = DBG_INFO;
54 debug_level = DBG_DBG;
59 void debug_timestamp_on() {
63 uint8_t debug_get_level() {
67 int debug_set_destination(char *dest) {
68 static const char *facstrings[] = { "LOG_DAEMON", "LOG_MAIL", "LOG_USER", "LOG_LOCAL0",
69 "LOG_LOCAL1", "LOG_LOCAL2", "LOG_LOCAL3", "LOG_LOCAL4",
70 "LOG_LOCAL5", "LOG_LOCAL6", "LOG_LOCAL7", NULL };
71 static const int facvals[] = { LOG_DAEMON, LOG_MAIL, LOG_USER, LOG_LOCAL0,
72 LOG_LOCAL1, LOG_LOCAL2, LOG_LOCAL3, LOG_LOCAL4,
73 LOG_LOCAL5, LOG_LOCAL6, LOG_LOCAL7 };
77 if (!strncasecmp(dest, "file:///", 8)) {
78 debug_filepath = stringcopy(dest + 7, 0);
79 debug_file = fopen(debug_filepath, "a");
82 debugx(1, DBG_ERR, "Failed to open logfile %s\n%s",
83 debug_filepath, strerror(errno));
85 setvbuf(debug_file, NULL, _IONBF, 0);
88 if (!strncasecmp(dest, "x-syslog://", 11)) {
93 for (i = 0; facstrings[i]; i++)
94 if (!strcasecmp(dest, facstrings[i]))
97 debugx(1, DBG_ERR, "Unknown syslog facility %s", dest);
98 debug_syslogfacility = facvals[i];
100 debug_syslogfacility = LOG_DAEMON;
101 openlog(debug_ident, LOG_PID, debug_syslogfacility);
104 debug(DBG_ERR, "Unknown log destination, exiting %s", dest);
108 void debug_reopen_log() {
111 /* not a file, noop, return success */
112 if (!debug_filepath) {
113 debug(DBG_ERR, "skipping reopen");
117 if (debug_file != stderr)
120 debug_file = fopen(debug_filepath, "a");
122 debug(DBG_ERR, "Reopened logfile %s", debug_filepath);
125 debug(DBG_ERR, "Failed to open logfile %s, using stderr\n%s",
126 debug_filepath, strerror(errno));
128 setvbuf(debug_file, NULL, _IONBF, 0);
131 void debug_logit(uint8_t level, const char *format, va_list ap) {
136 if (debug_syslogfacility) {
139 priority = LOG_DEBUG;
145 priority = LOG_NOTICE;
148 priority = LOG_WARNING;
154 priority = LOG_DEBUG;
156 vsyslog(priority, format, ap);
158 if (debug_timestamp && (timebuf = malloc(256))) {
159 gettimeofday(&now, NULL);
160 ctime_r(&now.tv_sec, timebuf);
161 timebuf[strlen(timebuf) - 1] = '\0';
162 fprintf(debug_file, "%s: ", timebuf + 4);
165 vfprintf(debug_file, format, ap);
166 fprintf(debug_file, "\n");
170 void debug(uint8_t level, char *format, ...) {
172 if (level < debug_level)
174 va_start(ap, format);
175 debug_logit(level, format, ap);
179 void debugx(int status, uint8_t level, char *format, ...) {
180 if (level >= debug_level) {
182 va_start(ap, format);
183 debug_logit(level, format, ap);
189 void debugerrno(int err, uint8_t level, char *format, ...) {
190 if (level >= debug_level) {
192 size_t len = strlen(format);
193 char *tmp = malloc(len + 1024 + 2);
198 if (strerror_r(err, tmp + len, 1024))
200 va_start(ap, format);
201 debug_logit(level, tmp, ap);
206 void debugerrnox(int err, uint8_t level, char *format, ...) {
207 if (level >= debug_level) {
209 va_start(ap, format);
210 debugerrno(err, level, format, ap);
216 /* Local Variables: */
217 /* c-file-style: "stroustrup" */