2 * Copyright (C) 2007 Stig Venaas <venaas@uninett.no>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
22 #include "rsp_debug.h"
25 static char *debug_ident = NULL;
26 static uint8_t debug_level = DBG_INFO;
27 static char *debug_filepath = NULL;
28 static FILE *debug_file = NULL;
29 static int debug_syslogfacility = 0;
30 static uint8_t debug_timestamp = 0;
32 void debug_init(char *ident) {
34 setvbuf(debug_file, NULL, _IONBF, 0);
38 void debug_set_level(uint8_t level) {
41 debug_level = DBG_ERR;
44 debug_level = DBG_WARN;
47 debug_level = DBG_NOTICE;
50 debug_level = DBG_INFO;
53 debug_level = DBG_DBG;
58 void debug_timestamp_on() {
62 uint8_t debug_get_level() {
66 int debug_set_destination(char *dest) {
67 static const char *facstrings[] = { "LOG_DAEMON", "LOG_MAIL", "LOG_USER", "LOG_LOCAL0",
68 "LOG_LOCAL1", "LOG_LOCAL2", "LOG_LOCAL3", "LOG_LOCAL4",
69 "LOG_LOCAL5", "LOG_LOCAL6", "LOG_LOCAL7", NULL };
70 static const int facvals[] = { LOG_DAEMON, LOG_MAIL, LOG_USER, LOG_LOCAL0,
71 LOG_LOCAL1, LOG_LOCAL2, LOG_LOCAL3, LOG_LOCAL4,
72 LOG_LOCAL5, LOG_LOCAL6, LOG_LOCAL7 };
76 if (!strncasecmp(dest, "file:///", 8)) {
77 debug_filepath = stringcopy(dest + 7, 0);
78 debug_file = fopen(debug_filepath, "a");
81 debugx(1, DBG_ERR, "Failed to open logfile %s\n%s",
82 debug_filepath, strerror(errno));
84 setvbuf(debug_file, NULL, _IONBF, 0);
87 if (!strncasecmp(dest, "x-syslog://", 11)) {
92 for (i = 0; facstrings[i]; i++)
93 if (!strcasecmp(dest, facstrings[i]))
96 debugx(1, DBG_ERR, "Unknown syslog facility %s", dest);
97 debug_syslogfacility = facvals[i];
99 debug_syslogfacility = LOG_DAEMON;
100 openlog(debug_ident, LOG_PID, debug_syslogfacility);
103 debug(DBG_ERR, "Unknown log destination, exiting %s", dest);
107 void debug_reopen_log() {
110 /* not a file, noop, return success */
111 if (!debug_filepath) {
112 debug(DBG_ERR, "skipping reopen");
116 if (debug_file != stderr)
119 debug_file = fopen(debug_filepath, "a");
121 debug(DBG_ERR, "Reopened logfile %s", debug_filepath);
124 debug(DBG_ERR, "Failed to open logfile %s, using stderr\n%s",
125 debug_filepath, strerror(errno));
127 setvbuf(debug_file, NULL, _IONBF, 0);
130 void debug_logit(uint8_t level, const char *format, va_list ap) {
135 if (debug_syslogfacility) {
138 priority = LOG_DEBUG;
144 priority = LOG_NOTICE;
147 priority = LOG_WARNING;
153 priority = LOG_DEBUG;
155 vsyslog(priority, format, ap);
157 if (debug_timestamp && (timebuf = malloc(256))) {
158 gettimeofday(&now, NULL);
159 ctime_r(&now.tv_sec, timebuf);
160 timebuf[strlen(timebuf) - 1] = '\0';
161 fprintf(debug_file, "%s: ", timebuf + 4);
164 vfprintf(debug_file, format, ap);
165 fprintf(debug_file, "\n");
169 void debug(uint8_t level, char *format, ...) {
171 if (level < debug_level)
173 va_start(ap, format);
174 debug_logit(level, format, ap);
178 void debugx(int status, uint8_t level, char *format, ...) {
179 if (level >= debug_level) {
181 va_start(ap, format);
182 debug_logit(level, format, ap);
188 void debugerrno(int err, uint8_t level, char *format, ...) {
189 if (level >= debug_level) {
191 size_t len = strlen(format);
192 char *tmp = malloc(len + 1024 + 2);
197 if (strerror_r(err, tmp + len, 1024))
199 va_start(ap, format);
200 debug_logit(level, tmp, ap);
205 void debugerrnox(int err, uint8_t level, char *format, ...) {
206 if (level >= debug_level) {
208 va_start(ap, format);
209 debugerrno(err, level, format, ap);
215 /* Local Variables: */
216 /* c-file-style: "stroustrup" */