tools.hh
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- //
- // tools.hh : Other utility functions
- // authors : Fabio Silva
- //
- // Copyright (C) 2000-2002 by the University of Southern California
- // $Id: tools.hh,v 1.13 2005/09/13 04:53:50 tomh Exp $
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public License,
- // version 2, as published by the Free Software Foundation.
- //
- // 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 General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License along
- // with this program; if not, write to the Free Software Foundation, Inc.,
- // 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- //
- // Linking this file statically or dynamically with other modules is making
- // a combined work based on this file. Thus, the terms and conditions of
- // the GNU General Public License cover the whole combination.
- //
- // In addition, as a special exception, the copyright holders of this file
- // give you permission to combine this file with free software programs or
- // libraries that are released under the GNU LGPL and with code included in
- // the standard release of ns-2 under the Apache 2.0 license or under
- // otherwise-compatible licenses with advertising requirements (or modified
- // versions of such code, with unchanged license). You may copy and
- // distribute such a system following the terms of the GNU GPL for this
- // file and the licenses of the other code concerned, provided that you
- // include the source code of that other code when and as the GNU GPL
- // requires distribution of source code.
- //
- // Note that people who make modified versions of this file are not
- // obligated to grant this special exception for their modified versions;
- // it is their choice whether to do so. The GNU General Public License
- // gives permission to release a modified version without this exception;
- // this exception also makes it possible to release a modified version
- // which carries forward this exception.
- //
- //
- // This file contains OS abstractions to make it easy to use diffusion
- // in different environments (i.e. in simulations, where time is
- // virtualized, and in embeddedd apps where error logging happens in
- // some non-trivial way).
- //
- // This file defines the various debug levels and a global debug level
- // variable (global_debug_level) that can be set according to how much
- // debug information one would like to get when using DiffPrint (see
- // below for further details).
- #ifndef _TOOLS_HH_
- #define _TOOLS_HH_
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif // HAVE_CONFIG_H
- #include <stdio.h>
- #include <stdarg.h>
- #include <stdlib.h>
- #include <sys/time.h>
- #include <unistd.h>
- // Defines the various debug levels
- #define DEBUG_NEVER 11
- #define DEBUG_LOTS_DETAILS 10
- #define DEBUG_MORE_DETAILS 8
- #define DEBUG_DETAILS 6
- #define DEBUG_SOME_DETAILS 4
- #define DEBUG_NO_DETAILS 3
- #define DEBUG_IMPORTANT 2
- #define DEBUG_ALWAYS 1
- // Defines the default debug level
- #ifdef NS_DIFFUSION
- #define DEBUG_DEFAULT 0
- #else
- #define DEBUG_DEFAULT 1
- #endif // NS_DIFFUSION
- extern int global_debug_level;
- // SetSeed sets the random number generator's seed with the timeval
- // structure given in tv (which is not changed)
- void SetSeed(struct timeval *tv);
- // GetTime returns a timeval structure with the current system time
- void GetTime(struct timeval *tv);
- // GetRand returns a random number between 0 and RAND_MAX
- int GetRand();
- // DiffPrint can be used to print messages. In addition to take the
- // message to be printed (using the variable argument list format,
- // just like fprintf), DiffPrint also requires a debug level for this
- // particular message. This is is compared to the global debug level
- // and if it is below the current global debug level, the message is
- // sent to the logging device (usually set to stderr).
- void DiffPrint(int msg_debug_level, const char *fmt, ...);
- // Same as DiffPrint but will print the current system time before
- // printing the message
- void DiffPrintWithTime(int msg_debug_level, const char *fmt, ...);
- #endif // !_TOOLS_HH_