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Connection timeout #4

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Connection timeout #4

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15 changes: 7 additions & 8 deletions cloud4rpi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
# https://raw.githubusercontent.com/micropython/micropython-lib/mqtt/umqtt.simple/umqtt/simple.py
from mqtt import MQTTClient

PING_INTERVAL = 40 # seconds. Should be less then 55
PING_INTERVAL = 29 # seconds. Should be less then 55

C4R_BROKER_HOST = 'mq.cloud4rpi.io'
C4R_BROKER_PORT = 1883
Expand Down Expand Up @@ -43,14 +43,17 @@ def __on_message(self, topic, msg):
self.__variables[var_name]['value'] = ret
self.__publish('data', {var_name: ret})

def connect(self):
def mqtt_ping_reset(self):
self.next_ping_time = time() + PING_INTERVAL
print("Next MQTT ping at", self.next_ping_time)

def connect(self, timeout=5):
self.__mqtt = MQTTClient(client_id=self.__device_token,
server=C4R_BROKER_HOST,
port=C4R_BROKER_PORT)

self.__mqtt.set_callback(self.__on_message)
try:
self.__mqtt.connect()
self.__mqtt.connect(timeout=timeout)
self.__mqtt.subscribe(C4R_TOPIC_FORMAT %
(self.__device_token, 'commands'), qos=1)
except Exception as e:
Expand All @@ -63,10 +66,6 @@ def ping(self):
self.__mqtt.ping()
self.mqtt_ping_reset()

def mqtt_ping_reset(self):
self.next_ping_time = time() + PING_INTERVAL
print("Next MQTT ping at", self.next_ping_time)

def declare(self, variables):
self.__variables = variables

Expand Down