def main():
print("--MQTT-SN -> MQTT bridge initialization--")
print("Initializing MQTT-SN protocol")
client = Client("Bridge")
client.registerCallback(BridgeCallback())
print("Connecting to MQTT-SN broker at " + MQTTSN_BROKER_ADDRESS + ":" +
str(MQTTSN_BROKER_PORT))
client.connected_flag = False
client.connect(MQTTSN_BROKER_ADDRESS, MQTTSN_BROKER_PORT)
client.loop_start()
while not client.connected_flag:
time.sleep(5)
print("Waiting for connection to MQTT-SN broker...")
print("Initializing MQTT protocol")
mqtt_client = mqtt.Client("Bridge")
mqtt_client.on_connect = mqtt_on_connect
mqtt_client.on_message = mqtt_on_message
print("Connecting to MQTT Broker at " + MQTT_BROKER_ADDRESS)
mqtt_client.tls_set(CA_CERTIFICATE,
CLIENT_CERTIFICATE,
keyfile=PRIVATE_KEY,
cert_reqs=ssl.CERT_REQUIRED,
tls_version=ssl.PROTOCOL_TLSv1_2,
ciphers=None)
print("Trying connection")
mqtt_client.connect(aws_iot_endpoint, BROKERPORT)
mqtt_client.loop_start()
print("Waiting for connection to complete")
time.sleep(CONNECTION_WAIT_SLEEP)
client.loop_start()
rc, topic_id = client.subscribe(MQTTSN_TOPIC, 0)
if rc == 0:
print("Subscribed to " + MQTTSN_TOPIC + " MQTT-SN topic.")
else:
return -1
while True:
while not message_queue.empty():
m = message_queue.get()
print(m)
mqtt_client.publish(MQTT_TOPIC, m, 1)
def main():
print("--MQTT-SN -> MQTT bridge initialization--")
print("Initializing MQTT-SN protocol")
client = Client("Bridge")
client.registerCallback(BridgeCallback())
print("Connecting to MQTT-SN broker at " + MQTTSN_BROKER_ADDRESS + ":" +
str(MQTTSN_BROKER_PORT))
client.connected_flag = False
client.connect(MQTTSN_BROKER_ADDRESS, MQTTSN_BROKER_PORT)
client.loop_start()
while not client.connected_flag:
time.sleep(5)
print("Waiting for connection to MQTT-SN broker...")
print("Initializing MQTT protocol")
mqtt_client = mqtt.Client("Bridge")
mqtt_client.on_connect = mqtt_on_connect
mqtt_client.on_message = mqtt_on_message
print("Connecting to MQTT Broker at " + MQTT_BROKER_ADDRESS)
mqtt_client.connect(MQTT_BROKER_ADDRESS)
mqtt_client.loop_start()
print("Waiting for connection to complete")
time.sleep(CONNECTION_WAIT_SLEEP)
client.loop_start()
rc, topic_id = client.subscribe(MQTTSN_TOPIC, 0)
if rc == 0:
print("Subscribed to " + MQTTSN_TOPIC + " MQTT-SN topic.")
else:
return -1
while True:
while not message_queue.empty():
m = message_queue.get()
print(m)
mqtt_client.publish(MQTT_TOPIC, m, 1)
#while True:
print("waiting for gateway threads ", threading.activeCount())
time.sleep(10)
############
print("Gateway found")
gateway = gateways.pop(0)
host = gateway[0]
port = gateway[1]
#host="192.168.1.159"
#port=1885
print("threads ", threading.activeCount())
print("connecting ", host, " ", port)
client.connected_flag = False
client.connect(host, port)
client.lookfor(MQTTSN.CONNACK)
if client.waitfor(MQTTSN.CONNACK) == None:
print("connection failed")
raise SystemExit("no Connection quitting")
time.sleep(2)
topic1 = "test"
topic1_id = client.register(topic1)
print("topic id for topic1 is", topic1_id)
empty_queue(4)
msg = "aaaaa"