uwtdma.h

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//
// Copyright (c) 2017 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
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//
 
#ifndef UWTDMA_H
#define UWTDMA_H
 
#include <assert.h>
#include <deque>
#include <fstream>
#include <iostream>
#include <mmac.h>
#include <queue>
#include <sstream>
#include <sys/time.h>
 
#define UW_TDMA_STATUS_MY_SLOT 1 
#define UW_TDMA_STATUS_NOT_MY_SLOT 2 
class UwTDMA;
 
class UwTDMATimer : public TimerHandler
{
 
public:
    UwTDMATimer(UwTDMA *m)
        : TimerHandler()
    {
        assert(m != NULL);
        module = m;
    }
 
protected:
    virtual void expire(Event *e);
    UwTDMA *module;
};
 
class UwTDMA : public MMac
{
 
    friend class UwTDMATimer;
 
public:
    UwTDMA();
 
    virtual ~UwTDMA();
 
    virtual int recvSyncClMsg(ClMessage *m);
 
protected:
    virtual void txData();
    virtual void stateTxData();
    virtual void changeStatus();
    virtual void start(double delay);
    virtual void stop();
    virtual void recvFromUpperLayers(Packet *p);
    virtual void Phy2MacEndRx(Packet *p);
    virtual void Phy2MacStartRx(const Packet *p);
    virtual void Mac2PhyStartTx(Packet *p);
    virtual void Phy2MacEndTx(const Packet *p);
    virtual void rxPacketNotForMe(Packet *p);
    virtual void initPkt(Packet *p);
    inline unsigned long int
    getEpoch()
    {
        return time(NULL);
    }
 
    virtual int command(int argc, const char *const *argv);
    enum UWTDMA_STATUS { IDLE, TRANSMITTING, RECEIVING };
 
    UWTDMA_STATUS
    transceiver_status; 
    int slot_status; 
    int debug_; 
    int sea_trial_; 
    int fair_mode; 
    int tot_slots; 
    int slot_number; 
    int HDR_size; 
    double frame_duration; 
    double guard_time; 
    double slot_duration; 
    double start_time; 
    UwTDMATimer tdma_timer; 
    std::deque<Packet *> buffer; 
    std::ofstream out_file_stats; 
    bool enable;
 
    int max_queue_size; 
    int max_packet_per_slot; 
    int packet_sent_curr_slot_; 
    int drop_old_; 
    std::string name_label_; 
    int checkPriority; 
};
 
#endif