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 #if defined(WANT_FTICKS)
32 static int fticks_syslogfacility = 0;
34 static uint8_t debug_timestamp = 0;
36 void debug_init(char *ident) {
38 setvbuf(debug_file, NULL, _IONBF, 0);
42 void debug_set_level(uint8_t level) {
45 debug_level = DBG_ERR;
48 debug_level = DBG_WARN;
51 debug_level = DBG_NOTICE;
54 debug_level = DBG_INFO;
57 debug_level = DBG_DBG;
62 void debug_timestamp_on() {
66 uint8_t debug_get_level() {
70 int debug_set_destination(char *dest, int l) {
71 static const char *facstrings[] = { "LOG_DAEMON", "LOG_MAIL", "LOG_USER", "LOG_LOCAL0",
72 "LOG_LOCAL1", "LOG_LOCAL2", "LOG_LOCAL3", "LOG_LOCAL4",
73 "LOG_LOCAL5", "LOG_LOCAL6", "LOG_LOCAL7", NULL };
74 static const int facvals[] = { LOG_DAEMON, LOG_MAIL, LOG_USER, LOG_LOCAL0,
75 LOG_LOCAL1, LOG_LOCAL2, LOG_LOCAL3, LOG_LOCAL4,
76 LOG_LOCAL5, LOG_LOCAL6, LOG_LOCAL7 };
80 if (!strncasecmp(dest, "file:///", 8)) {
82 debug_filepath = stringcopy(dest + 7, 0);
83 debug_file = fopen(debug_filepath, "a");
86 debugx(1, DBG_ERR, "Failed to open logfile %s\n%s",
87 debug_filepath, strerror(errno));
89 setvbuf(debug_file, NULL, _IONBF, 0);
93 if (!strncasecmp(dest, "x-syslog://", 11) || (l==1)) {
94 if (!strncasecmp(dest, "x-syslog://", 11) || ((l==1) && strncasecmp(dest, "x-syslog://", 11))) {
100 for (i = 0; facstrings[i]; i++)
101 if (!strcasecmp(dest, facstrings[i]))
104 debugx(1, DBG_ERR, "Unknown syslog facility %s", dest);
106 fticks_syslogfacility = facvals[i];
108 debug_syslogfacility = facvals[i];
111 fticks_syslogfacility = 0;
113 debug_syslogfacility = LOG_DAEMON;
116 if (fticks_syslogfacility && !debug_syslogfacility)
117 openlog(debug_ident, LOG_PID, fticks_syslogfacility);
119 openlog(debug_ident, LOG_PID, debug_syslogfacility);
122 debug(DBG_ERR, "Unknown log destination, exiting %s", dest);
126 void debug_reopen_log() {
129 /* not a file, noop, return success */
130 if (!debug_filepath) {
131 debug(DBG_ERR, "skipping reopen");
135 if (debug_file != stderr)
138 debug_file = fopen(debug_filepath, "a");
140 debug(DBG_ERR, "Reopened logfile %s", debug_filepath);
143 debug(DBG_ERR, "Failed to open logfile %s, using stderr\n%s",
144 debug_filepath, strerror(errno));
146 setvbuf(debug_file, NULL, _IONBF, 0);
149 void debug_logit(uint8_t level, const char *format, va_list ap) {
154 if (debug_syslogfacility) {
157 priority = LOG_DEBUG;
163 priority = LOG_NOTICE;
166 priority = LOG_WARNING;
172 priority = LOG_DEBUG;
174 vsyslog(priority, format, ap);
176 if (debug_timestamp && (timebuf = malloc(256))) {
177 gettimeofday(&now, NULL);
178 ctime_r(&now.tv_sec, timebuf);
179 timebuf[strlen(timebuf) - 1] = '\0';
180 fprintf(debug_file, "%s: ", timebuf + 4);
183 vfprintf(debug_file, format, ap);
184 fprintf(debug_file, "\n");
188 void debug(uint8_t level, char *format, ...) {
190 if (level < debug_level)
192 va_start(ap, format);
193 debug_logit(level, format, ap);
197 void debugx(int status, uint8_t level, char *format, ...) {
198 if (level >= debug_level) {
200 va_start(ap, format);
201 debug_logit(level, format, ap);
207 void debugerrno(int err, uint8_t level, char *format, ...) {
208 if (level >= debug_level) {
210 size_t len = strlen(format);
211 char *tmp = malloc(len + 1024 + 2);
216 if (strerror_r(err, tmp + len, 1024))
218 va_start(ap, format);
219 debug_logit(level, tmp, ap);
224 void debugerrnox(int err, uint8_t level, char *format, ...) {
225 if (level >= debug_level) {
227 va_start(ap, format);
228 debugerrno(err, level, format, ap);
234 #if defined(WANT_FTICKS)
235 void fticks_debug(const char *format, ...) {
238 va_start(ap, format);
239 if (!debug_syslogfacility && !fticks_syslogfacility)
240 debug_logit(0xff, format, ap);
242 if (fticks_syslogfacility) {
243 priority = LOG_DEBUG|fticks_syslogfacility;
245 priority = LOG_DEBUG;
247 vsyslog(priority, format, ap);
252 /* Local Variables: */
253 /* c-file-style: "stroustrup" */