def resend(self):
logger.debug("resending unfinished publications %s", str(self.outbound))
if len(self.outbound) > 0:
logger.info("[MQTT-4.4.0-1] resending inflight QoS 1 and 2 messages")
for pub in self.outbound:
logger.debug("resending", pub)
logger.info("[MQTT-4.4.0-2] dup flag must be set on in re-publish")
if pub.fh.QoS == 0:
respond(self.socket, pub)
elif pub.fh.QoS == 1:
pub.fh.DUP = 1
logger.info("[MQTT-2.1.2-3] Dup when resending QoS 1 publish id %d", pub.messageIdentifier)
logger.info("[MQTT-2.3.1-4] Message id same as original publish on resend")
logger.info("[MQTT-4.3.2-1] Resending QoS 1 with DUP flag")
respond(self.socket, pub)
elif pub.fh.QoS == 2:
if pub.qos2state == "PUBREC":
logger.info("[MQTT-2.1.2-3] Dup when resending QoS 2 publish id %d", pub.messageIdentifier)
pub.fh.DUP = 1
logger.info("[MQTT-2.3.1-4] Message id same as original publish on resend")
logger.info("[MQTT-4.3.3-1] Resending QoS 2 with DUP flag")
respond(self.socket, pub)
else:
resp = MQTTV3.Pubrels()
logger.info("[MQTT-2.3.1-4] Message id same as original publish on resend")
resp.messageIdentifier = pub.messageIdentifier
respond(self.socket, resp)
def pubrec(self, sock, packet):
"confirmed reception of qos 2"
myclient = self.clients[sock]
if myclient.pubrec(packet.messageIdentifier):
logger.info("[MQTT-3.5.4-1] must reply with pubrel in response to pubrec")
resp = MQTTV3.Pubrels()
resp.messageIdentifier = packet.messageIdentifier
respond(sock, resp)
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
def pubrel(pubrec: "pubrecs"): # pubrecs are observable events
sockid, pubrec = pubrec
sock = state.sockets[sockid]
pubrel = MQTTV3.Pubrels()
pubrel.messageIdentifier = pubrec.messageIdentifier
sock.send(pubrel.pack())
