def _process_incoming_packets(self, connection):
"""
This coroutinte fetches the message raw data from
:attr:`self.incoming_queue`, parses it into the corresponding message
object (an instance of one of the
:class:`broker.messages.BaseMQTTMessage` subclasses) and passes it to
the :attr:`self.incoming_transaction_manager` to be processed.
It is started by calling :meth:`self.start()` and stops upon client
disconnection.
"""
while connection.is_readable:
with client_process_context(self, connection):
msg = yield connection.read_message()
msg_obj = MQTTMessageFactory.make(msg)
self.logger.debug("[B << C] [uid: %s] %s" %
(self.uid, msg_obj.log_info()))
action = self._get_action(msg_obj, IncomingActionFactory)
assert isinstance(action, IncomingAction)
action.run()
self.logger.debug("[uid: %s] stopping _process_incoming_messages"
% self.uid)
def get_inflight(self, packet_id):
if packet_id in self._inflight:
raw = self._inflight.get(packet_id)
if raw is not None:
return MQTTMessageFactory.make(raw)
else:
raise KeyError('Unknown packet id')
def _process_incoming_packets(self, connection):
"""
This coroutinte fetches the message raw data from
:attr:`self.incoming_queue`, parses it into the corresponding message
object (an instance of one of the
:class:`broker.messages.BaseMQTTMessage` subclasses) and passes it to
the :attr:`self.incoming_transaction_manager` to be processed.
It is started by calling :meth:`self.start()` and stops upon client
disconnection.
"""
while connection.is_readable:
with client_process_context(self, connection):
msg = yield connection.read_message()
msg_obj = MQTTMessageFactory.make(msg)
self.logger.debug("[B << C] [uid: %s] %s" %
(self.uid, msg_obj.log_info()))
action = self._get_action(msg_obj, IncomingActionFactory)
assert isinstance(action, IncomingAction)
action.run()
self.logger.debug("[uid: %s] stopping _process_incoming_messages" %
self.uid)
def get_inflight(self, packet_id):
if packet_id in self._inflight:
raw = self._inflight.get(packet_id)
if raw is not None:
return MQTTMessageFactory.make(raw)
else:
raise KeyError('Unknown packet id')
def read_connect_message(self, connection):
bytes_ = yield connection.read_message()
msg = MQTTMessageFactory.make(bytes_)
if not isinstance(msg, Connect):
raise ConnectError("The first message is expected to be CONNECT")
client_logger.debug("[B << C] [uid: %s] %s" % (msg.client_uid, msg.log_info()))
return msg
def read_connect_message(self, connection):
bytes_ = yield connection.read_message()
msg = MQTTMessageFactory.make(bytes_)
if not isinstance(msg, Connect):
raise ConnectError('The first message is expected to be CONNECT')
client_logger.debug("[B << C] [uid: %s] %s" %
(msg.client_uid, msg.log_info()))
return msg
def get_next(self):
"""
Gets the next packet to be published.
Should be used to start a new flow.
"""
# todo: do in a transaction
if len(self._queue) > 0:
raw_data = self._queue.pop()
msg = MQTTMessageFactory.make(raw_data)
msg.id = self._ids_gen.next()
self._inflight_ids.append(msg.id)
self._inflight[msg.id] = msg.raw_data
return msg
else:
return None
def get_next(self):
"""
Gets the next packet to be published.
Should be used to start a new flow.
"""
# todo: do in a transaction
if len(self._queue) > 0:
raw_data = self._queue.pop()
msg = MQTTMessageFactory.make(raw_data)
msg.id = self._ids_gen.next()
self._inflight_ids.append(msg.id)
self._inflight[msg.id] = msg.raw_data
return msg
else:
return None
def get_all_inflight(self):
for packet_id in self._inflight_ids:
raw = self._inflight.get(packet_id)
if raw is not None:
yield MQTTMessageFactory.make(raw)
def get_all_inflight(self):
for packet_id in self._inflight_ids:
raw = self._inflight.get(packet_id)
if raw is not None:
yield MQTTMessageFactory.make(raw)
