plfuchs/plfuchs.H

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// Copyright (C) 2006 University of Louisiana at Lafayette


#ifndef CAJUN_PLFUCHS_H
#define CAJUN_PLFUCHS_H


#include "data_type.H"

#include <vector>


namespace cajun
{


class input_buffer_t;


class plfuchs_t
{
public:
        enum format_t { F_ASCII, F_ASCII_SHORT, F_BINARY };

        plfuchs_t (format_t format_);
        ~plfuchs_t ();

        void test_mode (bool enable_) { m_test_mode = enable_; }

        void handle_input (int fd_);

        class observer_t
        {
        public:
                virtual ~observer_t () {}

                virtual void publish_data (double tstamp_,
                                           unsigned position_, int velocity_) {}
                virtual void publish_status (double tstamp_,
                                             unsigned status_) {}
        };

        void register_observer (observer_t *observer)
                { m_observer = observer; }

protected:
        input_buffer_t *m_ib;
        observer_t *m_observer;


        double m_max_tx_time;
        double m_last_tstamp;
        unsigned m_last_tick;
        struct data_t
        {
                double tstamp;
                unsigned tick;
                unsigned position;
                int velocity;
        };
        std::vector<data_t> m_data;

        unsigned decode_ascii ();
        unsigned decode_ascii_short ();
        unsigned decode_binary ();

        bool m_test_mode;
        format_t m_format;
        unsigned decode ();

        void log_test_data (double tstamp_);
};


};


#endif

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