metric.h

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/*
 * Copyright (c) 2006 Regents of the SIGNET lab, University of Padova.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University of Padova (SIGNET lab) nor the 
 *    names of its contributors may be used to endorse or promote products 
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _ROUTINGMETRIC_
#define _ROUTINGMETRIC_

#include <packet.h>

enum Reachability
{
        REACHABLE,
        UNREACHABLE,
        MAYBE
};

class Metric;

#define METRIC_ALLOC_PARAM_PER_TIME 1

class MetricList
{
public:
        MetricList();
        virtual ~MetricList();
        void addMetric(Metric *m);
        void empty();
        int length();
        Metric *getMetric(int i);
        Metric *getMetric(const char *name);
protected:
        void addNewMetric(Metric *m);
        int find(const char *name);
        Metric **list_;
        int listLength_;
        int metricCount_;
};

class Metric : public TclObject
{
public:
        Metric(const char* name);
        virtual ~Metric();
        virtual double value(Packet *p) = 0;
        const char *getName();
        //virtual Metric *copy() = 0;
        virtual int command(int argc, const char*const* argv);
        void insertParam(MetricList *m);
        void clearParam();
private:
        const char *name_;
        MetricList list_;
};

#define ROUTEINFO_DEFAULT_REACHABILITY UNREACHABLE
#define ROUTEINFO_ALLOC_CHILD_PER_TIME 1

class RouteInfo
{
public:
        RouteInfo();
        virtual ~RouteInfo();
        void addChild(RouteInfo *c);
        int getNChild();
        RouteInfo *getChild(int i);
        void addFather(RouteInfo *f);
        RouteInfo *getFather();
        void setModuleId(int id);
        int getModuleId();
        void addMetric(Metric *m);
        Metric *getMetric(const char *m);
        Metric *getMetric(int i);
        int getNMetric();
        Reachability reachability();
        void setReachability(Reachability a);
protected:
        RouteInfo *father_;
        RouteInfo **child_;
        int nChild_;
        int lengthChild_;
        Reachability reachability_;
        MetricList list_;
        int moduleId_;
};



#endif

---