def publish(self, sock, packet):
packet.receivedTime = time.monotonic()
if packet.topicName.find("+") != -1 or packet.topicName.find(
"#") != -1:
raise MQTTV3.MQTTException(
"[MQTT-3.3.2-2][MQTT-4.7.1-1] wildcards not allowed in topic name"
)
if packet.fh.QoS == 0:
self.broker.publish(self.clients[sock].id, packet.topicName,
packet.data, packet.fh.QoS, packet.fh.RETAIN,
packet.receivedTime)
elif packet.fh.QoS == 1:
if packet.fh.DUP:
logger.info(
"[MQTT-3.3.1-3] Incoming publish DUP 1 ==> outgoing publish with DUP 0"
)
logger.info(
"[MQTT-4.3.2-2] server must store message in accordance with QoS 1"
)
self.broker.publish(self.clients[sock].id, packet.topicName,
packet.data, packet.fh.QoS, packet.fh.RETAIN,
packet.receivedTime)
resp = MQTTV3.Pubacks()
logger.info("[MQTT-2.3.1-6] puback messge id same as publish")
resp.messageIdentifier = packet.messageIdentifier
respond(sock, resp)
elif packet.fh.QoS == 2:
myclient = self.clients[sock]
if self.publish_on_pubrel:
if packet.messageIdentifier in myclient.inbound.keys():
if packet.fh.DUP == 0:
logger.error(
"[MQTT-3.3.1-2] duplicate QoS 2 message id %d found with DUP 0",
packet.messageIdentifier)
else:
logger.info(
"[MQTT-3.3.1-2] DUP flag is 1 on redelivery")
else:
myclient.inbound[packet.messageIdentifier] = packet
else:
if packet.messageIdentifier in myclient.inbound:
if packet.fh.DUP == 0:
logger.error(
"[MQTT-3.3.1-2] duplicate QoS 2 message id %d found with DUP 0",
packet.messageIdentifier)
else:
logger.info(
"[MQTT-3.3.1-2] DUP flag is 1 on redelivery")
else:
myclient.inbound.append(packet.messageIdentifier)
logger.info(
"[MQTT-4.3.3-2] server must store message in accordance with QoS 2"
)
self.broker.publish(myclient, packet.topicName,
packet.data, packet.fh.QoS,
packet.fh.RETAIN, packet.receivedTime)
resp = MQTTV3.Pubrecs()
logger.info("[MQTT-2.3.1-6] pubrec messge id same as publish")
resp.messageIdentifier = packet.messageIdentifier
respond(sock, resp)
def puback(publish: "publishes"):
sockid, publish = publish
sock = state.sockets[sockid]
if publish.fh.QoS == 1:
puback = MQTTV3.Pubacks()
puback.messageIdentifier = publish.messageIdentifier
sock.send(puback.pack())
elif publish.fh.QoS == 2:
pubrec = MQTTV3.Pubrecs()
pubrec.messageIdentifier = publish.messageIdentifier
sock.send(pubrec.pack())
def __init__(self, socket):
logging.debug("initializing receiver")
self.socket = socket
self.stopping = False
self.paused = False
self.inMsgs = {}
self.outMsgs = {}
self.puback = MQTTV3.Pubacks()
self.pubrec = MQTTV3.Pubrecs()
self.pubrel = MQTTV3.Pubrels()
self.pubcomp = MQTTV3.Pubcomps()
self.running = False
