#include "epicsPV.h"
#include <stdexcept>

using namespace std;

class myPV : public epicsPV
{
public:
    myPV(const char* channelName=NULL, caDatatype preferredDatatype=caTypeNative)
        : epicsPV(channelName, preferredDatatype) {}
    void connectionUpEvent();
    void connectionDownEvent();
};

void myPV::connectionUpEvent()
{
    cout << name() << " connected, datatype = " << datatype() << endl;
}

void myPV::connectionDownEvent()
{
    cout << name() << " disconnected" << endl;
}

int main (int argc, const char** argv)
{
    try {
        myPV pv(argv[1]);
        cout << "before get: " << pv.name() << " = " << pv <<
            " " << pv.alarmSeverity() << 
            " " << pv.alarmStatus() << endl;
        caget(pv);
        
        cout << "after get: " << pv.name() << " = " << pv <<
            " " << pv.alarmSeverity() << 
            " " << pv.alarmStatus() << endl;
        
        double val = pv;
        cout << pv.name() << " = " << val << endl;
        
        unsigned int ival = pv;
        cout << pv.name() << " = " << ival << endl;
        
        if (argc == 3)
        {
            pv.put(argv[2]);
        }
    }
    catch (exception& e)
    {
        cout << endl << e.what() << endl;
    }
    return 0;
}