async def __adjust_balance(self, reply_to: PID, amount: float):
if self.__refuse_permanently():
self._processed_messages[reply_to.to_short_string()] = Refused()
await reply_to.tell(Refused())
if self.__busy():
await reply_to.tell(ServiceUnavailable())
# generate the behavior to be used whilst processing this message
behaviour = self.__determine_processing_behavior()
if behaviour == Behavior.FAIL_BEFORE_PROCESSING:
await self.__failure(reply_to)
await asyncio.sleep(
timedelta(milliseconds=random.randint(0, 150)).total_seconds())
self._balance += amount
self._processed_messages[reply_to.to_short_string()] = OK()
# simulate chance of failure after applying the change. This will
# force a retry of the operation which will test the operation
# is idempotent
if behaviour == Behavior.FAIL_AFTER_PROCESSING:
await self.__failure(reply_to)
await reply_to.tell(OK())
def message_envelope():
message = "test"
sender = PID()
sender.address = "test"
sender.id = "test"
header = MessageHeader()
return MessageEnvelope(message, sender, header)
def test_create_new_message_envelope_with_sender(message_envelope):
sender = PID()
sender.address = "test"
sender.id = "test"
envelope = message_envelope.with_sender(sender)
assert message_envelope.message == envelope.message
assert sender == envelope.sender
assert message_envelope.header == envelope.header
async def start(argv):
tracer = init_jaeger_tracer()
opentracing.set_global_tracer(tracer)
middleware = open_tracing_middleware.open_tracing_sender_middleware(tracer)
Serialization().register_file_descriptor(DESCRIPTOR)
Remote().start("127.0.0.1", 12001)
server = PID(address='127.0.0.1:8000', id='chatserver')
context = RootContext(MessageHeader(), [middleware])
props = OpenTracingFactory.get_props_with_open_tracing(Props.from_func(process_message), span_setup, span_setup,
tracer)
client = context.spawn(props)
await context.send(server, Connect(sender=client))
nick = 'Alex'
while True:
text = input()
if text == '/exit':
return
elif text.startswith('/nick '):
new_nick = text.split(' ')[1]
await context.send(server, NickRequest(old_user_name=nick, new_user_name=new_nick))
nick = new_nick
else:
await context.send(server, SayRequest(user_name=nick, message=text))
def test_can_serialize_and_deserialize_protobuf():
type_name = "actor.PID"
pid = PID(address='123', id='456')
data = Serialization().serialize(pid, 0)
deserialized = Serialization().deserialize(type_name, data, 0)
assert deserialized.address == "123"
assert deserialized.id == "456"
async def main():
context = RootContext()
Serialization().register_file_descriptor(DESCRIPTOR)
Remote().start("192.168.1.129", 12001)
wg = asyncio.Event()
message_count = 10000
props = Props.from_producer(lambda: LocalClient(0, message_count, wg, asyncio.get_event_loop()))
pid = context.spawn(props)
remote = PID(address="192.168.1.77:12000", id="remote")
await context.request_future(remote, StartRemote(Sender=pid))
start = datetime.datetime.now()
print('Starting to send')
for i in range(message_count):
await context.send(remote, Ping())
await wg.wait()
elapsed = datetime.datetime.now() - start
print(f'Elapsed {elapsed}')
t = message_count * 2.0 / elapsed.total_seconds()
print(f'Throughput {t} msg / sec')
input()
async def test_can_send_and_receive_to_existing_remote(remote_manager):
remote_actor = PID(address=remote_manager.default_node_address,
id='EchoActorInstance')
pong = await root_context.request_async(remote_actor,
Ping(message="Hello"),
timeout=timedelta(seconds=0.5))
assert "%s Hello" % remote_manager.default_node_address == pong.message
async def request(self, target: PID, message: any) -> None:
with OpenTracingHelper.build_started_scope(
self._tracer, OpenTracingHelper.get_parent_span(self._tracer),
'request', message, self._send_span_setup) as scope:
try:
scope.span.set_tag('proto.targetpid', target.to_short_string())
await super().request(target, message)
except Exception as ex:
OpenTracingHelper.setup_span(ex, scope.span)
raise Exception()
async def test_when_remote_actor_not_found_request_async_timesout(
remote_manager):
unknown_remote_actor = PID(address=remote_manager.default_node_address,
id="doesn't exist")
with pytest.raises(TimeoutError) as e:
await root_context.request_async(unknown_remote_actor,
Ping(message='Hello'),
timeout=timedelta(seconds=0.2))
assert 'TimeoutError' in str(e)
async def request_future(
self,
target: PID,
message: object,
timeout: timedelta = None,
cancellation_token: CancelToken = None) -> asyncio.Future:
with OpenTracingHelper.build_started_scope(
self._tracer, OpenTracingHelper.get_parent_span(self._tracer),
'request_future', message, self._send_span_setup) as scope:
try:
scope.span.set_tag('proto.targetpid', target.to_short_string())
return await super().request_future(target, message, timeout,
cancellation_token)
except Exception as ex:
OpenTracingHelper.setup_span(ex, scope.span)
raise Exception()
def partition_for_kind(address: str, kind: str) -> PID:
return PID(address=address, id='partition-' + kind)
def __already_processed(self, reply_to: PID):
return reply_to.to_short_string() in self._processed_messages
async def __reply(self, reply_to: PID):
await reply_to.tell(
self._processed_messages[reply_to.to_short_string()])