/*
This file is part of GNUnet.
- Copyright (C) 2006-2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2006-2013 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @author Nils Durner
*
* @defgroup logging Logging
+ * @see [Documentation](https://gnunet.org/logging)
+ *
* @defgroup memory Memory management
*/
#ifndef GNUNET_COMMON_H
#include <stdarg.h>
#endif
+#ifdef HAVE_BYTESWAP_H
+#include <byteswap.h>
+#endif
+
#ifdef __cplusplus
extern "C"
{
/**
* Version of the API (for entire gnunetutil.so library).
*/
-#define GNUNET_UTIL_VERSION 0x000A0100
+#define GNUNET_UTIL_VERSION 0x000A0101
+
/**
* Named constants for return values. The following invariants hold:
* @param ... arguments for format string
*/
void
-GNUNET_log_nocheck (enum GNUNET_ErrorType kind, const char *message, ...);
+GNUNET_log_nocheck (enum GNUNET_ErrorType kind, const char *message, ...)
+ __attribute__ ((format (printf, 2, 3)));
/* from glib */
#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
/**
* @ingroup logging
- * Add a custom logger.
+ * Add a custom logger. Note that installing any custom logger
+ * will disable the standard logger. When multiple custom loggers
+ * are installed, all will be called. The standard logger will
+ * only be used if no custom loggers are present.
*
* @param logger log function
* @param logger_cls closure for @a logger
* a failure of the command 'cmd' with the message given
* by strerror(errno).
*/
-#define GNUNET_log_strerror_file(level, cmd, filename) do { GNUNET_log(level, _("`%s' failed on file `%s' at %s:%d with error: %s\n"), cmd, filename,__FILE__, __LINE__, STRERROR(errno)); } while(0)
+#define GNUNET_log_strerror_file(level, cmd, filename) do { GNUNET_log(level, _("`%s' failed on file `%s' at %s:%d with error: %s\n"), cmd, filename, __FILE__, __LINE__, STRERROR(errno)); } while(0)
/**
* Convert double to network byte order.
*
* @param d
- * The value in network byte order.
+ * The value in host byte order.
*
- * @return The same value in host byte order.
+ * @return The same value in network byte order.
*/
double
GNUNET_hton_double (double d);
GNUNET_ntoh_double (double d);
-/**
- * Convert signed 64-bit integer to network byte order.
- *
- * @param n
- * The value in host byte order.
- *
- * @return The same value in network byte order.
- */
-uint64_t
-GNUNET_htonll_signed (int64_t n);
-
-
-/**
- * Convert signed 64-bit integer to host byte order.
- *
- * @param n
- * The value in network byte order.
- *
- * @return The same value in host byte order.
- */
-int64_t
-GNUNET_ntohll_signed (uint64_t n);
-
-
-/**
- * Convert signed 32-bit integer to network byte order.
- *
- * @param n
- * The value in host byte order.
- *
- * @return The same value in network byte order.
- */
-uint32_t
-GNUNET_htonl_signed (int32_t n);
-
-
-/**
- * Convert signed 32-bit integer to host byte order.
- *
- * @param n
- * The value in network byte order.
- *
- * @return The same value in host byte order.
- */
-int32_t
-GNUNET_ntohl_signed (uint32_t n);
-
-
-/**
- * Convert signed 16-bit integer to network byte order.
- *
- * @param n
- * The value in host byte order.
- *
- * @return The same value in network byte order.
- */
-uint16_t
-GNUNET_htons_signed (int16_t n);
-
-
-/**
- * Convert signed 16-bit integer to host byte order.
- *
- * @param n
- * The value in network byte order.
- *
- * @return The same value in host byte order.
- */
-int16_t
-GNUNET_ntohs_signed (uint16_t n);
-
-
/* ************************* allocation functions ****************** */
/**
*/
#define GNUNET_new(type) (type *) GNUNET_malloc (sizeof (type))
+/**
+ * Call memcpy() but check for @a n being 0 first. In the latter
+ * case, it is now safe to pass NULL for @a src or @a dst.
+ * Unlike traditional memcpy(), returns nothing.
+ *
+ * @param dst destination of the copy, may be NULL if @a n is zero
+ * @param src source of the copy, may be NULL if @a n is zero
+ * @param n number of bytes to copy
+ */
+#define GNUNET_memcpy(dst,src,n) do { if (0 != n) { (void) memcpy (dst,src,n); } } while (0)
+
/**
* @ingroup memory
* Allocate a size @a n array with structs or unions of the given @a type.
/**
* @ingroup memory
* Wrapper around free. Frees the memory referred to by ptr.
- * Note that is is generally better to free memory that was
+ * Note that it is generally better to free memory that was
* allocated with #GNUNET_array_grow using #GNUNET_array_grow(mem, size, 0) instead of #GNUNET_free.
*
* @param ptr location where to free the memory. ptr must have
*
* static void push(struct foo * elem) {
* GNUNET_array_grow(myVector, myVecLen, myVecLen+1);
- * memcpy(&myVector[myVecLen-1], elem, sizeof(struct foo));
+ * GNUNET_memcpy(&myVector[myVecLen-1], elem, sizeof(struct foo));
* }
*
* static void pop(struct foo * elem) {
* if (myVecLen == 0) die();
- * memcpy(elem, myVector[myVecLen-1], sizeof(struct foo));
+ * GNUNET_memcpy(elem, myVector[myVecLen-1], sizeof(struct foo));
* GNUNET_array_grow(myVector, myVecLen, myVecLen-1);
* }
* </pre>
#endif
+/**
+ * Valid task priorities. Use these, do not pass random integers!
+ * For various reasons (#3862 -- building with QT Creator, and
+ * our restricted cross-compilation with emscripten) this cannot
+ * be in gnunet_scheduler_lib.h, but it works if we declare it here.
+ * Naturally, logically this is part of the scheduler.
+ */
+enum GNUNET_SCHEDULER_Priority
+{
+ /**
+ * Run with the same priority as the current job.
+ */
+ GNUNET_SCHEDULER_PRIORITY_KEEP = 0,
+
+ /**
+ * Run when otherwise idle.
+ */
+ GNUNET_SCHEDULER_PRIORITY_IDLE = 1,
+
+ /**
+ * Run as background job (higher than idle,
+ * lower than default).
+ */
+ GNUNET_SCHEDULER_PRIORITY_BACKGROUND = 2,
+
+ /**
+ * Run with the default priority (normal
+ * P2P operations). Any task that is scheduled
+ * without an explicit priority being specified
+ * will run with this priority.
+ */
+ GNUNET_SCHEDULER_PRIORITY_DEFAULT = 3,
+
+ /**
+ * Run with high priority (important requests).
+ * Higher than DEFAULT.
+ */
+ GNUNET_SCHEDULER_PRIORITY_HIGH = 4,
+
+ /**
+ * Run with priority for interactive tasks.
+ * Higher than "HIGH".
+ */
+ GNUNET_SCHEDULER_PRIORITY_UI = 5,
+
+ /**
+ * Run with priority for urgent tasks. Use
+ * for things like aborts and shutdowns that
+ * need to preempt "UI"-level tasks.
+ * Higher than "UI".
+ */
+ GNUNET_SCHEDULER_PRIORITY_URGENT = 6,
+
+ /**
+ * This is an internal priority level that is only used for tasks
+ * that are being triggered due to shutdown (they have automatically
+ * highest priority). User code must not use this priority level
+ * directly. Tasks run with this priority level that internally
+ * schedule other tasks will see their original priority level
+ * be inherited (unless otherwise specified).
+ */
+ GNUNET_SCHEDULER_PRIORITY_SHUTDOWN = 7,
+
+ /**
+ * Number of priorities (must be the last priority).
+ * This priority must not be used by clients.
+ */
+ GNUNET_SCHEDULER_PRIORITY_COUNT = 8
+};
+
+
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
}
#endif
-
-
-
-#endif /*GNUNET_COMMON_H_ */
+#endif /* GNUNET_COMMON_H */