C part of the plugin.

1 files changed, 119 insertions, 0 deletions

diff --git a/misc.h b/misc.h
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+///
+///	@file misc.h	@brief Misc function header file
+///
+///	Copyright (c) 2009 - 2011 by Lutz Sammer.  All Rights Reserved.
+///
+///	Contributor(s):
+///		Copied from uwm.
+///
+///	License: AGPLv3
+///
+///	This program is free software: you can redistribute it and/or modify
+///	it under the terms of the GNU Affero General Public License as
+///	published by the Free Software Foundation, either version 3 of the
+///	License.
+///
+///	This program is distributed in the hope that it will be useful,
+///	but WITHOUT ANY WARRANTY; without even the implied warranty of
+///	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+///	GNU Affero General Public License for more details.
+///
+///	$Id$
+//////////////////////////////////////////////////////////////////////////////
+
+/// @addtogroup misc
+/// @{
+
+#include <syslog.h>
+#include <stdarg.h>
+#include <time.h>			// clock_gettime
+
+//////////////////////////////////////////////////////////////////////////////
+//	Defines
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//	Declares
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//	Variables
+//////////////////////////////////////////////////////////////////////////////
+
+extern int SysLogLevel;			///< how much information wanted
+
+//////////////////////////////////////////////////////////////////////////////
+//	Prototypes
+//////////////////////////////////////////////////////////////////////////////
+
+static inline void Debug(const int, const char *format, ...)
+    __attribute__ ((format(printf, 2, 3)));
+
+//////////////////////////////////////////////////////////////////////////////
+//	Inlines
+//////////////////////////////////////////////////////////////////////////////
+
+#define DebugLevel 4			/// private debug level
+
+/**
+**	Debug output function.
+**
+**	- 0	fatal errors and errors
+**	- 1	warnings
+**	- 2	info
+**	- 3	important debug and fixme's
+*/
+static inline void Debug(const int level, const char *format, ...)
+{
+    if (SysLogLevel > level || DebugLevel > level) {
+	va_list ap;
+
+	va_start(ap, format);
+	vsyslog(LOG_ERR, format, ap);
+	va_end(ap);
+    }
+}
+
+/**
+**	Show error.
+*/
+#define Error(fmt...)	Debug(0, fmt)
+
+/**
+**	Show fatal error.
+*/
+#define Fatal(fmt...)	do { Error(fmt); exit(-1); } while (0)
+
+/**
+**	Show warning.
+*/
+#define Warning(fmt...)	Debug(1, fmt)
+
+/**
+**	Show info.
+*/
+#define Info(fmt...)	Debug(2, fmt)
+
+/**
+**	Get ticks in ms.
+**
+**	@returns ticks in ms,
+*/
+static inline uint32_t GetMsTicks(void)
+{
+#ifdef CLOCK_MONOTONIC
+    struct timespec tspec;
+
+    clock_gettime(CLOCK_MONOTONIC, &tspec);
+    return (tspec.tv_sec * 1000) + (tspec.tv_nsec / (1000 * 1000));
+#else
+    struct timeval tval;
+
+    if (gettimeofday(&tval, NULL) < 0) {
+	return 0;
+    }
+    return (tval.tv_sec * 1000) + (tval.tv_usec / 1000);
+#endif
+}
+
+/// @}