utilities.h
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- /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
- /*
- * utilities.h
- * Copyright (C) 1997 by the University of Southern California
- * $Id: utilities.h,v 1.7 2005/08/25 18:58:11 johnh 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.
- *
- *
- * The copyright of this module includes the following
- * linking-with-specific-other-licenses addition:
- *
- * In addition, as a special exception, the copyright holders of
- * this module give you permission to combine (via static or
- * dynamic linking) this module 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 module 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 module
- * 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.
- *
- */
- //
- // utilities.h
- // Miscellaneous useful definitions, including debugging routines.
- //
- // Author:
- // Mohit Talwar (mohit@catarina.usc.edu)
- //
- // $Header: /cvsroot/nsnam/ns-2/rap/utilities.h,v 1.7 2005/08/25 18:58:11 johnh Exp $
- #ifndef UTILITIES_H
- #define UTILITIES_H
- #include <stdio.h>
- #include <stdlib.h>
- #include <assert.h>
- #include <limits.h>
- #include <memory.h>
- #include "agent.h"
- #include "tclcl.h"
- #include "packet.h"
- #include "address.h"
- #include "ip.h"
- #include "random.h"
- #include "raplist.h"
- // Functions...
- extern FILE * DebugEnable(unsigned int nodeid);
- // Print debug message if flag is enabled
- extern void Debug (int debugFlag, FILE *log, char* format, ...);
- // Data structures
- class DoubleListElem {
- public:
- DoubleListElem() : prev_(0), next_(0) {}
- virtual ~DoubleListElem () {}
- DoubleListElem* next() const { return next_; }
- DoubleListElem* prev() const { return prev_; }
- virtual void detach() {
- if (prev_ != 0) prev_->next_ = next_;
- if (next_ != 0) next_->prev_ = prev_;
- prev_ = next_ = 0;
- }
- // Add new element s before this one
- virtual void insert(DoubleListElem *s) {
- s->next_ = this;
- s->prev_ = prev_;
- if (prev_ != 0) prev_->next_ = s;
- prev_ = s;
- }
- // Add new element s after this one
- virtual void append(DoubleListElem *s) {
- s->next_ = next_;
- s->prev_ = this;
- if (next_ != 0) next_->prev_ = s;
- next_ = s;
- }
- private:
- DoubleListElem *prev_, *next_;
- };
- class DoubleList {
- public:
- DoubleList() : head_(0), tail_(0) {}
- virtual ~DoubleList() {}
- virtual void destroy();
- DoubleListElem* head() { return head_; }
- DoubleListElem* tail() { return tail_; }
- void detach(DoubleListElem *e) {
- if (head_ == e)
- head_ = e->next();
- if (tail_ == e)
- tail_ = e->prev();
- e->detach();
- }
- void insert(DoubleListElem *src, DoubleListElem *dst) {
- dst->insert(src);
- if (dst == head_)
- head_ = src;
- }
- void append(DoubleListElem *src, DoubleListElem *dst) {
- dst->append(src);
- if (dst == tail_)
- tail_ = src;
- }
- protected:
- DoubleListElem *head_, *tail_;
- };
- #endif // UTILITIES_H