def handle(self, message: Message) -> None:
"""
Implement the reaction to a message.
:param message: the message
:return: None
"""
# convenience representations
fipa_msg = cast(FipaMessage, message)
msg_performative = FipaMessage.Performative(
message.get("performative"))
# recover dialogue
dialogues = cast(Dialogues, self.context.dialogues)
if dialogues.is_belonging_to_registered_dialogue(
fipa_msg, self.context.agent_address):
dialogue = cast(
Dialogue,
dialogues.get_dialogue(fipa_msg, self.context.agent_address))
dialogue.incoming_extend(fipa_msg)
else:
self._handle_unidentified_dialogue(fipa_msg)
return
# handle message
if msg_performative == FipaMessage.Performative.PROPOSE:
self._handle_propose(fipa_msg, dialogue)
elif msg_performative == FipaMessage.Performative.DECLINE:
self._handle_decline(fipa_msg, dialogue)
elif msg_performative == FipaMessage.Performative.MATCH_ACCEPT_W_INFORM:
self._handle_match_accept(fipa_msg, dialogue)
elif msg_performative == FipaMessage.Performative.INFORM:
self._handle_inform(fipa_msg, dialogue)
def decode(obj: bytes) -> Message:
"""
Decode bytes into a 'Fipa' message.
:param obj: the bytes object.
:return: the 'Fipa' message.
"""
message_pb = ProtobufMessage()
fipa_pb = fipa_pb2.FipaMessage()
message_pb.ParseFromString(obj)
message_id = message_pb.dialogue_message.message_id
dialogue_reference = (
message_pb.dialogue_message.dialogue_starter_reference,
message_pb.dialogue_message.dialogue_responder_reference,
)
target = message_pb.dialogue_message.target
fipa_pb.ParseFromString(message_pb.dialogue_message.content)
performative = fipa_pb.WhichOneof("performative")
performative_id = FipaMessage.Performative(str(performative))
performative_content = dict() # type: Dict[str, Any]
if performative_id == FipaMessage.Performative.CFP:
pb2_query = fipa_pb.cfp.query
query = Query.decode(pb2_query)
performative_content["query"] = query
elif performative_id == FipaMessage.Performative.PROPOSE:
pb2_proposal = fipa_pb.propose.proposal
proposal = Description.decode(pb2_proposal)
performative_content["proposal"] = proposal
elif performative_id == FipaMessage.Performative.ACCEPT_W_INFORM:
info = fipa_pb.accept_w_inform.info
info_dict = dict(info)
performative_content["info"] = info_dict
elif performative_id == FipaMessage.Performative.MATCH_ACCEPT_W_INFORM:
info = fipa_pb.match_accept_w_inform.info
info_dict = dict(info)
performative_content["info"] = info_dict
elif performative_id == FipaMessage.Performative.INFORM:
info = fipa_pb.inform.info
info_dict = dict(info)
performative_content["info"] = info_dict
elif performative_id == FipaMessage.Performative.ACCEPT:
pass
elif performative_id == FipaMessage.Performative.DECLINE:
pass
elif performative_id == FipaMessage.Performative.MATCH_ACCEPT:
pass
elif performative_id == FipaMessage.Performative.END:
pass
else:
raise ValueError("Performative not valid: {}.".format(performative_id))
return FipaMessage(
message_id=message_id,
dialogue_reference=dialogue_reference,
target=target,
performative=performative,
**performative_content
)
