void
Controller_impl::
change (
const CCS::Controller::ThermostatSeq & tlist,
CORBA::Short delta
)
{
CCS::Controller::EChange ec; // Just in case we need it
// We cannot add a delta value to a thermostat's temperature
// directly, so for each thermostat, we read the nominal
// temperature, add the delta value to it, and write
// it back again.
for (CORBA::ULong i = 0; i < tlist.length (); i++) {
if (CORBA::is_nil (tlist[i]))
continue; // Skip nil references
// Read nominal temp and update it.
CCS::TempType tnom = tlist[i]->get_nominal ();
tnom += delta;
try {
tlist[i]->set_nominal (tnom);
}
catch (const CCS::Thermostat::BadTemp & bt) {
// If the update failed because the temperature
// is out of range, we add the thermostat's info
// to the errors sequence.
CORBA::ULong len = ec.errors.length ();
ec.errors.length (len + 1);
ec.errors[len].tmstat_ref = tlist[i];
ec.errors[len].info = bt.details;
}
}
// If we encountered errors in the above loop,
// we will have added elements to the errors sequence.
if (ec.errors.length () != 0)
throw ec;
}
int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
CORBA::ULong i = 0;
try {
// Initialize the ORB
CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);
// Check arguments
if (argc != 2) {
std::cerr << "Usage: client IOR_string" << std::endl;
throw 0;
}
// Get controller reference from argv
// and convert to object.
CORBA::Object_var obj = orb->string_to_object(argv[1]);
if (CORBA::is_nil(obj.in())) {
std::cerr << "Nil controller reference" << std::endl;
throw 0;
}
// Try to narrow to CCS::Controller.
CCS::Controller_var ctrl;
try {
ctrl = CCS::Controller::_narrow(obj.in());
} catch (const CORBA::SystemException &se) {
std::cerr << "Cannot narrow controller reference: "
<< se
<< std::endl;
throw 0;
}
if (CORBA::is_nil(ctrl.in())) {
std::cerr << "Wrong type for controller ref." << std::endl;
throw 0;
}
// Get list of devices
CCS::Controller::ThermometerSeq_var list = ctrl->list();
// Show number of devices.
CORBA::ULong len = list->length();
std::cout << "Controller has " << len << " device";
if (len != 1)
std::cout << "s";
std::cout << "." << std::endl;
CCS::Thermometer_var t = ctrl->create_thermometer(27, "Room 1");
CCS::Thermostat_var ts = ctrl->create_thermostat(28, "Room 2", 48);
CCS::Thermostat_var ts2 = ctrl->create_thermostat(30, "Room 3", 48);
CCS::Thermostat_var ts3 = ctrl->create_thermostat(32, "Room 3", 68);
CCS::Thermostat_var ts4 = ctrl->create_thermostat(34, "Room 3", 68);
CCS::Thermostat_var ts5 = ctrl->create_thermostat(36, "Room 3", 48);
std::cout << t->location() << std::endl;
std::cout << ts->location() << std::endl;
std::cout << ts2->location() << std::endl;
t->remove();
list = ctrl->list();
// Show details for each device.
for ( i = 0; i < list->length(); i++)
{
CCS::Thermometer_ptr ti = list[i];
std::cout << ti;
}
std::cout << std::endl;
// Change the location of first device in the list
CCS::AssetType anum = list[0U]->asset_num();
std::cout << "Changing location of device "
<< anum << "." << std::endl;
list[0U]->location("Earth");
// Check that the location was updated
std::cout << "New details for device "
<< anum << " are:" << std::endl;
CCS::Thermometer_ptr tx = list[0u];
std::cout << tx << std::endl;
// Find first thermostat in list.
CCS::Thermostat_var tmstat;
for ( i = 0;
i < list->length() && CORBA::is_nil(tmstat.in());
i++) {
tmstat = CCS::Thermostat::_narrow(list[i]);
}
// Check that we found a thermostat on the list.
if (CORBA::is_nil(tmstat.in())) {
std::cout << "No thermostat devices in list." << std::endl;
} else {
// Set temperature of thermostat to
// 50 degrees (should work).
set_temp(tmstat.inout(), 50);
std::cout << std::endl;
// Set temperature of thermostat to
// -10 degrees (should fail).
set_temp(tmstat.inout(), -10);
}
// Look for device in Rooms Earth and HAL. This must
// locate at least one device because we earlier changed
// the location of the first device to Room Earth.
std::cout << "Looking for devices in Earth and HAL." << std::endl;
CCS::Controller::SearchSeq ss;
ss.length(2);
ss[0].key.loc(CORBA::string_dup("Earth"));
ss[1].key.loc(CORBA::string_dup("HAL"));
ctrl->find(ss);
// Show the devices found in that room.
for ( i = 0; i < ss.length(); i++)
std::cout << ss[i].device.in(); // Overloaded <<
std::cout << std::endl;
// Increase the temperature of all thermostats
// by 40 degrees. First, make a new list (tss)
// containing only thermostats.
std::cout << "Increasing thermostats by 40 degrees." << std::endl;
CCS::Controller::ThermostatSeq tss;
for ( i = 0; i < list->length(); i++) {
tmstat = CCS::Thermostat::_narrow(list[i]);
if (CORBA::is_nil(tmstat.in()))
continue; // Skip thermometers
len = tss.length();
tss.length(len + 1);
tss[len] = tmstat;
}
// Try to change all thermostats.
try {
ctrl->change(tss, 40);
} catch (const CCS::Controller::EChange &ec) {
std::cerr << ec; // Overloaded <<
}
} catch (const CORBA::Exception & e) {
std::cerr << "Uncaught CORBA exception: "
<< e
<< std::endl;
return 1;
} catch (...) {
return 1;
}
return 0;
}
