/Users/yzchen/ns/ns-allinone-2.33/ns-2.33/queue/demarker.h

/*
 * Copyright (c) 2000-2002, by the Rector and Board of Visitors of the 
 * University of Virginia.
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 * disclaimer. 
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/*
 *                                                                     
 * Marker module for JoBS (and WTP).
 *                                                                     
 * Authors: Constantinos Dovrolis <dovrolis@mail.eecis.udel.edu>, 
 *          Nicolas Christin <nicolas@cs.virginia.edu>, 2000-2002       
 *                                                                    
 * $Id: demarker.h,v 1.1 2003/02/02 22:18:22 xuanc Exp $
 */

#ifndef DEMARKER_H
#define DEMARKER_H

#define START_STATISTICS 0.0    // When do we start writing the delays? (sec)
#define NO_CLASSES      4       // This number cannot be changed 
                                // w/o modifying the code. 
                                // This is, again, a prototype 
                                // implementation...
#define VERBOSE 1               // Write e2e delay of packet in trace file 
                                // (per class)
#define QUIET   2               // Do not do anything basically


class Demarker: public Queue {
public:
        Demarker();
        virtual int command(int argc, const char*const* argv); 
        void    enque(Packet*);
        Packet* deque();
        double  demarker_arrvs_[NO_CLASSES+1];
protected:
        int     demarker_type_;         // Demarker Type
        PacketQueue     *q_;            // Underlying FIFO queue 
        FILE*   delay_tr_[NO_CLASSES+1];// Delay trace per class
        char*   file_name_;             // Trace filename
private:
        int link_id_;
        double arrived_Bits_[NO_CLASSES+1];
        double monitoring_window_;
        double last_monitor_update_;
};

#endif /* DEMARKER_H */