def test_events(self):
msclt = MySubHandler()
cond = msclt.setup()
sub = self.opc.create_subscription(100, msclt)
handle = sub.subscribe_events()
ev = opcua.Event()
msg = "this is my msg "
ev.message = msg
tid = datetime.datetime.now()
ev.time = tid
ev.source_node = self.opc.get_server_node().get_id()
ev.source_name = "our server node"
ev.severity = 500
self.srv.trigger_event(ev)
with cond:
ret = cond.wait(50000)
if sys.version_info.major > 2:
self.assertEqual(
ret,
True) # we went into timeout waiting for subcsription callback
else:
pass # XXX
self.assertIsNot(msclt.ev, None) # we did not receive event
self.assertEqual(msclt.ev.message, msg)
self.assertEqual(msclt.ev.time.to_datetime(), tid)
self.assertEqual(msclt.ev.severity, 500)
self.assertEqual(msclt.ev.source_node,
self.opc.get_server_node().get_id())
#time.sleep(0.1)
sub.unsubscribe(handle)
sub.delete()
def test_localized_text(self):
event = opcua.Event()
txt = "This is string"
event.message = txt #message is of type LocalizedText
self.assertEqual(txt, event.message)
# get Objects node, this is where we should put our custom stuff
objects = server.get_objects_node()
print("I got objects folder: ", objects)
# now adding some object to our addresse space
myobject = objects.add_object(idx, "NewObject")
myvar = myobject.add_variable(idx, "MyVariable", [16, 56])
myprop = myobject.add_property(idx, "myprop", 9.9)
myfolder = myobject.add_folder(idx, "myfolder")
# uncomment next lines to subscribe to changes on server side
#sclt = SubHandler()
#sub = server.create_subscription(100, sclt)
#handle = sub.subscribe_data_change(myvar) #keep handle if you want to delete the particular subscription later
ev = opcua.Event()
counter = 0
while True:
counter += 1
ev.message = "This is event nr: " + str(counter)
ev.source_node = objects.get_id()
ev.time = datetime.datetime.now()
print("Sending event: ", ev)
server.trigger_event(ev)
myvar.set_value([counter, counter + 10])
time.sleep(1)
# start ipython shell so users can test things
#embed()
finally:
server.stop()
