Define logger(), cleans up source code and allows us to write log entries

[tinc] / src / logger.h

diff --git a/src/logger.h b/src/logger.h
new file mode 100644 (file)
index 0000000..ec5f52f
--- /dev/null
+++ b/src/logger.h
@@ -0,0 +1,43 @@
+#ifndef __TINC_LOGGER_H__
+
+#include <syslog.h>
+#include <stdarg.h>
+
+enum {
+       DEBUG_NOTHING = 0,                      /* Quiet mode, only show starting/stopping of the daemon */
+       DEBUG_ALWAYS = 0,
+       DEBUG_CONNECTIONS = 1,          /* Show (dis)connects of other tinc daemons via TCP */
+       DEBUG_ERROR = 2,                        /* Show error messages received from other hosts */
+       DEBUG_STATUS = 2,                       /* Show status messages received from other hosts */
+       DEBUG_PROTOCOL = 3,                     /* Show the requests that are sent/received */
+       DEBUG_META = 4,                         /* Show contents of every request that is sent/received */
+       DEBUG_TRAFFIC = 5,                      /* Show network traffic information */
+       DEBUG_PACKET = 6,                       /* Show contents of each packet that is being sent/received */
+       DEBUG_SCARY_THINGS = 10         /* You have been warned */
+};
+
+enum {
+       LOGMODE_NULL,
+       LOGMODE_STDERR,
+       LOGMODE_FILE,
+       LOGMODE_SYSLOG
+};
+
+extern volatile int debug_level;
+extern void openlogger(const char *, int);
+extern void vlogger(int, const char *, va_list ap);
+extern void closelogger(void);
+
+/* Inline logger function because it's used quite often */
+
+static inline void logger(int level, int priority, const char *format, ...) {
+       va_list ap;
+
+       if(level == DEBUG_ALWAYS || debug_level >= level) {
+               va_start(ap, format);
+               vlogger(priority, format, ap);
+               va_end(ap);
+       }
+}
+
+#endif /* __TINC_LOGGER_H__ */