File: att_conf_event.cpp

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// NOLINTBEGIN(*)

#include "old_common.h"

class EventCallBack : public Tango::CallBack
{
    void push_event(Tango::AttrConfEventData *);

  public:
    int cb_executed;
    int cb_err;
    int old_sec, old_usec;

    std::string min_value;
    std::string max_value;
};

void EventCallBack::push_event(Tango::AttrConfEventData *event_data)
{
    struct timeval now_timeval = Tango::make_timeval(std::chrono::system_clock::now());

    TEST_LOG << "date : tv_sec = " << now_timeval.tv_sec;
    TEST_LOG << ", tv_usec = " << now_timeval.tv_usec << std::endl;

    auto delta_msec = ((now_timeval.tv_sec - old_sec) * 1000) + ((now_timeval.tv_usec - old_usec) / 1000);

    old_sec = now_timeval.tv_sec;
    old_usec = now_timeval.tv_usec;

    TEST_LOG << "delta_msec = " << delta_msec << std::endl;

    cb_executed++;

    try
    {
        TEST_LOG << "EventCallBack::push_event(): called attribute " << event_data->attr_name << " event "
                 << event_data->event << "\n";
        if(!event_data->err)
        {
            TEST_LOG << *(event_data->attr_conf) << std::endl;
            min_value = event_data->attr_conf->min_value;
            max_value = event_data->attr_conf->max_value;
        }
        else
        {
            TEST_LOG << "Error send to callback" << std::endl;
            Tango::Except::print_error_stack(event_data->errors);
        }
    }
    catch(...)
    {
        TEST_LOG << "EventCallBack::push_event(): could not extract data !\n";
    }
}

int main(int argc, char **argv)
{
    DeviceProxy *device;

    if(argc == 1)
    {
        TEST_LOG << "usage: %s device" << std::endl;
        exit(-1);
    }

    std::string device_name = argv[1];

    try
    {
        device = new DeviceProxy(device_name);
    }
    catch(CORBA::Exception &e)
    {
        Except::print_exception(e);
        exit(1);
    }

    TEST_LOG << std::endl << "new DeviceProxy(" << device->name() << ") returned" << std::endl << std::endl;

    try
    {
        std::string att_name("Double_attr_w");

        //
        // subscribe to a attribute config event
        //

        int eve_id1, eve_id2;
        std::vector<std::string> filters;
        EventCallBack cb;
        cb.cb_executed = 0;
        cb.cb_err = 0;
        cb.old_sec = cb.old_usec = 0;

        eve_id1 = device->subscribe_event(att_name, Tango::ATTR_CONF_EVENT, &cb, filters);
        eve_id2 = device->subscribe_event(att_name, Tango::ATTR_CONF_EVENT, &cb, filters);

        //
        // Check that the attribute is still not polled
        //

        bool po = device->is_attribute_polled(att_name);
        TEST_LOG << "attribute polled : " << po << std::endl;
        assert(po == false);

        //
        // The callback should have been executed once
        //

        assert(cb.cb_executed == 2);

        TEST_LOG << "   subscribe_event --> OK" << std::endl;

        //
        // Execute the command which will fire an attribute
        // config event
        //

        Tango::DevVarDoubleArray dvda(2);
        dvda.length(2);
        dvda[0] = 0.0;
        dvda[1] = 0.0;
        DeviceData d_in;
        d_in << dvda;
        device->command_inout("IOSetWAttrLimit", d_in);

        dvda[0] = 1.0;
        dvda[1] = 10.0;
        d_in << dvda;
        device->command_inout("IOSetWAttrLimit", d_in);

        std::this_thread::sleep_for(std::chrono::seconds(1));

        assert(cb.cb_executed == 6);
        assert(cb.min_value == "0");
        assert(cb.max_value == "10");

        TEST_LOG << "   attr_conf_event --> OK" << std::endl;

        //
        // unsubscribe to the event
        //

        device->unsubscribe_event(eve_id1);
        device->unsubscribe_event(eve_id2);

        TEST_LOG << "   unsubscribe_event --> OK" << std::endl;
    }
    catch(Tango::DevFailed &e)
    {
        Except::print_exception(e);
        exit(-1);
    }
    catch(CORBA::Exception &ex)
    {
        Except::print_exception(ex);
        exit(-1);
    }

    delete device;

    return 0;
}

// NOLINTEND(*)