def _on_propose(self, propose: FipaMessage, dialogue: Dialogue) -> None:
"""
Handle a Propose.
:param propose: the message containing the Propose
:param dialogue: the dialogue
:return: None
"""
new_msg_id = propose.message_id + 1
strategy = cast(Strategy, self.context.strategy)
proposal_description = propose.proposal
self.context.logger.debug("[{}]: on Propose as {}.".format(
self.context.agent_name, dialogue.role))
transactions = cast(Transactions, self.context.transactions)
transaction_msg = transactions.generate_transaction_message(
TransactionMessage.Performative.PROPOSE_FOR_SIGNING,
proposal_description,
dialogue.dialogue_label,
dialogue.is_seller,
self.context.agent_address,
)
if strategy.is_profitable_transaction(transaction_msg,
is_seller=dialogue.is_seller):
self.context.logger.info("[{}]: Accepting propose (as {}).".format(
self.context.agent_name, dialogue.role))
transactions.add_locked_tx(transaction_msg,
as_seller=dialogue.is_seller)
transactions.add_pending_initial_acceptance(
dialogue.dialogue_label, new_msg_id, transaction_msg)
fipa_msg = FipaMessage(
performative=FipaMessage.Performative.ACCEPT,
message_id=new_msg_id,
dialogue_reference=dialogue.dialogue_label.dialogue_reference,
target=propose.message_id,
)
else:
self.context.logger.info("[{}]: Declining propose (as {})".format(
self.context.agent_name, dialogue.role))
fipa_msg = FipaMessage(
performative=FipaMessage.Performative.DECLINE,
message_id=new_msg_id,
dialogue_reference=dialogue.dialogue_label.dialogue_reference,
target=propose.message_id,
)
dialogues = cast(Dialogues, self.context.dialogues)
dialogues.dialogue_stats.add_dialogue_endstate(
Dialogue.EndState.DECLINED_PROPOSE, dialogue.is_self_initiated)
dialogue.outgoing_extend(fipa_msg)
self.context.outbox.put_message(
to=dialogue.dialogue_label.dialogue_opponent_addr,
sender=self.context.agent_address,
protocol_id=FipaMessage.protocol_id,
message=FipaSerializer().encode(fipa_msg),
)
def _on_accept(self, accept: FipaMessage, dialogue: Dialogue) -> None:
"""
Handle an Accept.
:param accept: the Accept message
:param dialogue: the dialogue
:return: None
"""
self.context.logger.debug(
"[{}]: on_accept: msg_id={}, dialogue_reference={}, origin={}, target={}"
.format(
self.context.agent_name,
accept.message_id,
accept.dialogue_reference,
dialogue.dialogue_label.dialogue_opponent_addr,
accept.target,
))
new_msg_id = accept.message_id + 1
transactions = cast(Transactions, self.context.transactions)
transaction_msg = transactions.pop_pending_proposal(
dialogue.dialogue_label, accept.target)
strategy = cast(Strategy, self.context.strategy)
if strategy.is_profitable_transaction(transaction_msg,
is_seller=dialogue.is_seller):
self.context.logger.info(
"[{}]: locking the current state (as {}).".format(
self.context.agent_name, dialogue.role))
transactions.add_locked_tx(transaction_msg,
as_seller=dialogue.is_seller)
self.context.decision_maker_message_queue.put(transaction_msg)
else:
self.context.logger.debug(
"[{}]: decline the Accept (as {}).".format(
self.context.agent_name, dialogue.role))
fipa_msg = FipaMessage(
performative=FipaMessage.Performative.DECLINE,
message_id=new_msg_id,
dialogue_reference=dialogue.dialogue_label.dialogue_reference,
target=accept.message_id,
)
dialogue.outgoing_extend(fipa_msg)
dialogues = cast(Dialogues, self.context.dialogues)
dialogues.dialogue_stats.add_dialogue_endstate(
Dialogue.EndState.DECLINED_ACCEPT, dialogue.is_self_initiated)
self.context.outbox.put_message(
to=dialogue.dialogue_label.dialogue_opponent_addr,
sender=self.context.agent_address,
protocol_id=FipaMessage.protocol_id,
message=FipaSerializer().encode(fipa_msg),
)
def _on_cfp(self, cfp: FipaMessage, dialogue: Dialogue) -> None:
"""
Handle a CFP.
:param cfp: the fipa message containing the CFP
:param dialogue: the dialogue
:return: None
"""
new_msg_id = cfp.message_id + 1
query = cast(Query, cfp.query)
strategy = cast(Strategy, self.context.strategy)
proposal_description = strategy.get_proposal_for_query(
query, dialogue.is_seller)
if proposal_description is None:
self.context.logger.debug("[{}]: sending to {} a Decline{}".format(
self.context.agent_name,
dialogue.dialogue_label.dialogue_opponent_addr[-5:],
pprint.pformat({
"msg_id":
new_msg_id,
"dialogue_reference":
cfp.dialogue_reference,
"origin":
dialogue.dialogue_label.dialogue_opponent_addr[-5:],
"target":
cfp.target,
}),
))
fipa_msg = FipaMessage(
performative=FipaMessage.Performative.DECLINE,
message_id=new_msg_id,
dialogue_reference=dialogue.dialogue_label.dialogue_reference,
target=cfp.message_id,
)
dialogues = cast(Dialogues, self.context.dialogues)
dialogues.dialogue_stats.add_dialogue_endstate(
Dialogue.EndState.DECLINED_CFP, dialogue.is_self_initiated)
else:
transactions = cast(Transactions, self.context.transactions)
transaction_msg = transactions.generate_transaction_message(
TransactionMessage.Performative.PROPOSE_FOR_SIGNING,
proposal_description,
dialogue.dialogue_label,
dialogue.is_seller,
self.context.agent_address,
)
transactions.add_pending_proposal(dialogue.dialogue_label,
new_msg_id, transaction_msg)
self.context.logger.info("[{}]: sending to {} a Propose{}".format(
self.context.agent_name,
dialogue.dialogue_label.dialogue_opponent_addr[-5:],
pprint.pformat({
"msg_id":
new_msg_id,
"dialogue_reference":
cfp.dialogue_reference,
"origin":
dialogue.dialogue_label.dialogue_opponent_addr[-5:],
"target":
cfp.message_id,
"propose":
proposal_description.values,
}),
))
fipa_msg = FipaMessage(
performative=FipaMessage.Performative.PROPOSE,
message_id=new_msg_id,
dialogue_reference=dialogue.dialogue_label.dialogue_reference,
target=cfp.message_id,
proposal=[proposal_description],
)
dialogue.outgoing_extend(fipa_msg)
self.context.outbox.put_message(
to=dialogue.dialogue_label.dialogue_opponent_addr,
sender=self.context.agent_address,
protocol_id=FipaMessage.protocol_id,
message=FipaSerializer().encode(fipa_msg),
)
