DESERT_Addons/uwmphy_modem/uwmconnector.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
// "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 UWMCONNECTOR_H
#define UWMCONNECTOR_H
 
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <termios.h>
#include <pthread.h>
#include <unistd.h>
#include <iostream>
#include <fstream>
#include <sstream>
 
#include <queue>
 
#define _MODEM_OK \
    1 
#define _MAX_MSG_LENGTH                                                \
    (0x1000) 
#define _MAX_QUEUE_LENGTH \
    20 
// Forward declaration to avoid dependence from UWMdriver.h
class UWMdriver;
 
struct msgModem {
    std::string msg_rx; 
    int msg_length; 
};
 
class UWMconnector
{
public:
    std::queue<msgModem> queueMsg; 
    UWMconnector(UWMdriver *, std::string);
 
    ~UWMconnector();
 
    virtual int openConnection() = 0;
 
    virtual void closeConnection();
 
    virtual int writeToModem(std::string) = 0;
 
    std::string readFromModem();
 
    void setDriverQueueLength(int length);
 
    inline uint
    getDriverQueueLength()
    {
        return driver_queue_length;
    }
 
protected:
    UWMdriver *pmDriver; 
    std::string pathToDevice; 
    uint driver_queue_length;
};
#endif /* UWMCONNECTOR_H */