How to use the helics.helicsBrokerIsConnected function in helics

# setTimedelta routine is a multiplier for the default timedelta.

    # Set one second message interval #
    h.helicsFederateInfoSetTimeProperty(fedinfo, h.helics_property_time_delta, deltat)

    h.helicsFederateInfoSetIntegerProperty(fedinfo, h.helics_property_int_log_level, 1)


    mFed = h.helicsCreateMessageFederate("TestA Federate", fedinfo)

    yield mFed

    h.helicsFederateFinalize(mFed)
    state = h.helicsFederateGetState(mFed)
    assert state == 3
    while (h.helicsBrokerIsConnected(broker)):
        time.sleep(1)

    h.helicsFederateInfoFree(fedinfo)
    h.helicsFederateFree(mFed)
    h.helicsCloseLibrary()

def mFed():
    initstring = "-f 1 --name=mainbroker"
    fedinitstring = "--broker=mainbroker --federates=1"
    deltat = 0.01

    h.helicsGetVersion()

    # Create broker #
    broker = h.helicsCreateBroker("zmq", "", initstring)

    isconnected = h.helicsBrokerIsConnected(broker)

    if isconnected == 1:
        pass

    # Create Federate Info object that describes the federate properties #
    fedinfo = h.helicsCreateFederateInfo()

    # Set Federate name #
    h.helicsFederateInfoSetCoreName(fedinfo, "CoreA Federate")

    # Set core type from string #
    h.helicsFederateInfoSetCoreTypeFromString(fedinfo, "zmq")

    # Federate init string #
    h.helicsFederateInfoSetCoreInitString(fedinfo, fedinitstring)

def vFed():

    initstring = "-f 1 --name=mainbroker"
    fedinitstring = "--broker=mainbroker --federates=1"
    deltat = 0.01
    #TODO: should add an assert here about helicsGetVersion
    h.helicsGetVersion()

    # Create broker #
    broker = h.helicsCreateBroker("zmq", "", initstring)

    isconnected = h.helicsBrokerIsConnected(broker)

    if isconnected == 1:
        pass

    # Create Federate Info object that describes the federate properties #
    fedinfo = h.helicsCreateFederateInfo()

    # Set Federate name #
    h.helicsFederateInfoSetCoreName(fedinfo, "TestA Core")

    # Set core type from string #
    h.helicsFederateInfoSetCoreTypeFromString(fedinfo, "zmq")

    # Federate init string #
    h.helicsFederateInfoSetCoreInitString(fedinfo, fedinitstring)

def destroy_federate(fed):
    h.helicsFederateFinalize(fed)

#    status, state = h.helicsFederateGetState(fed)
#    assert state == 3

    while (h.helicsBrokerIsConnected(broker)):
        time.sleep(1)

    h.helicsFederateFree(fed)
    h.helicsCloseLibrary()

def destroy_value_federate(fed, broker):
    status = h.helicsFederateFinalize(fed)
    assert status == 0
    status, state = h.helicsFederateGetState(fed)
    assert status == 0
    assert state == 3

    while (h.helicsBrokerIsConnected(broker)):
        time.sleep(1)

    h.helicsFederateFree(fed)

    h.helicsCloseLibrary()

def create_broker():
    initstring = "2 --name=mainbroker"
    broker = h.helicsCreateBroker("zmq", "", initstring)
    isconnected = h.helicsBrokerIsConnected(broker)

    if isconnected == 1:
        pass

    return broker

def destroy_federate(fed):
    h.helicsFederateFinalize(fed)

#    status, state = h.helicsFederateGetState(fed)
#    assert state == 3

    while (h.helicsBrokerIsConnected(broker)):
        time.sleep(1)

    h.helicsFederateFree(fed)
    h.helicsCloseLibrary()

def create_broker():
    initstring = "--federates=2 --name=mainbroker"
    broker = h.helicsCreateBroker("zmq", "", initstring)
    isconnected = h.helicsBrokerIsConnected(broker)

    if isconnected == 1:
        pass

    return broker