Diff: tinydtls/debug.h

Revision:

0:6ae42a2aff75

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tinydtls/debug.h	Wed Oct 09 14:48:52 2013 +0000
@@ -0,0 +1,53 @@
+/* debug.h -- debug utilities
+ *
+ * Copyright (C) 2011--2012 Olaf Bergmann <bergmann@tzi.org>
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _DEBUG_H_
+#define _DEBUG_H_
+
+#include "config.h"
+
+/** Pre-defined log levels akin to what is used in \b syslog. */
+typedef enum { LOG_EMERG=0, LOG_ALERT, LOG_CRIT, LOG_WARN, 
+       LOG_NOTICE, LOG_INFO, LOG_DEBUG
+} log_t;
+
+/** Returns the current log level. */
+log_t dtls_get_log_level();
+
+/** Sets the log level to the specified value. */
+void dtls_set_log_level(log_t level);
+
+/** 
+ * Writes the given text to \c stdout. The text is output only when \p
+ * level is below or equal to the log level that set by
+ * set_log_level(). */
+void dsrv_log(log_t level, char *format, ...);
+
+/* A set of convenience macros for common log levels. */
+#define info(...) dsrv_log(LOG_INFO, __VA_ARGS__)
+#define warn(...) dsrv_log(LOG_WARN, __VA_ARGS__)
+#define debug(...) dsrv_log(LOG_DEBUG, __VA_ARGS__)
+
+#endif /* _DEBUG_H_ */