def maybe_send(self, recipient: typing.Address, message: Message): """ Send message to recipient if the transport is running. """ if not is_binary_address(recipient): raise InvalidAddress('Invalid address {}'.format(pex(recipient))) messagedata = message.encode() host_port = self.get_host_port(recipient) self.maybe_sendraw(host_port, messagedata)
def send_async( self, queue_identifier: QueueIdentifier, message: Message, ): """ Send a new ordered message to recipient. Messages that use the same `queue_identifier` are ordered. """ recipient = queue_identifier.recipient if not is_binary_address(recipient): raise ValueError('Invalid address {}'.format(pex(recipient))) # These are not protocol messages, but transport specific messages if isinstance(message, (Delivered, Ping, Pong)): raise ValueError('Do not use send for {} messages'.format( message.__class__.__name__)) messagedata = message.encode() if len(messagedata) > self.UDP_MAX_MESSAGE_SIZE: raise ValueError( 'message size exceeds the maximum {}'.format( self.UDP_MAX_MESSAGE_SIZE), ) # message identifiers must be unique message_id = message.message_identifier # ignore duplicates if message_id not in self.messageids_to_asyncresults: self.messageids_to_asyncresults[message_id] = AsyncResult() queue = self.get_queue_for(queue_identifier) queue.put((messagedata, message_id)) assert queue.is_set() self.log.debug( 'Message queued', queue_identifier=queue_identifier, queue_size=len(queue), message=message, )