Python client.MQTT_ERR_NO_CONN属性代码示例

# 需要导入模块: from paho.mqtt import client [as 别名]
# 或者: from paho.mqtt.client import MQTT_ERR_NO_CONN [as 别名]
def loop_forever(self):
        """
        Main MQTT to SQL loop
        does not return until an error occurs
        """
        global EXIT_CODE    # pylint: disable=global-statement

        while True:
            # Main loop as long as no error occurs
            ret = mqtt.MQTT_ERR_SUCCESS
            while not self.userdata['haveresponse'] and ret == mqtt.MQTT_ERR_SUCCESS:
                try:
                    ret = self.mqttc.loop()
                except Exception as err:    # pylint: disable=broad-except
                    log(0, 'ERROR: loop() - {}'.format(err))
                    time.sleep(0.1)
                if EXIT_CODE != ExitCode.OK:
                    sys.exit(EXIT_CODE)
            if ret not in (
                    mqtt.MQTT_ERR_AGAIN,
                    mqtt.MQTT_ERR_PROTOCOL,
                    mqtt.MQTT_ERR_INVAL,
                    mqtt.MQTT_ERR_NO_CONN,
                    mqtt.MQTT_ERR_CONN_REFUSED,
                    mqtt.MQTT_ERR_NOT_FOUND,
                    mqtt.MQTT_ERR_TLS,
                    mqtt.MQTT_ERR_PAYLOAD_SIZE,
                    mqtt.MQTT_ERR_NOT_SUPPORTED,
                    mqtt.MQTT_ERR_AUTH,
                    mqtt.MQTT_ERR_ERRNO):
                # disconnect from server
                log(0, 'Remote disconnected from MQTT - [{}] {})'.format(ret, mqtt.error_string(ret)))
                try:
                    ret = self.mqttc.reconnect()
                    log(0, 'MQTT reconnected - [{}] {})'.format(ret, mqtt.error_string(ret)))
                except Exception as err:    # pylint: disable=broad-except
                    SignalHandler.exitus(ExitCode.MQTT_CONNECTION_ERROR, '{}:{} failed - [{}] {}'.format(self._args.mqtt_host, self._args.mqtt_port, ret, mqtt.error_string(err)))
            else:
                SignalHandler.exitus(ExitCode.MQTT_CONNECTION_ERROR, '{}:{} failed: - [{}] {}'.format(self._args.mqtt_host, self._args.mqtt_port, ret, mqtt.error_string(ret))) 

# 需要导入模块: from paho.mqtt import client [as 别名]
# 或者: from paho.mqtt.client import MQTT_ERR_NO_CONN [as 别名]
def subscribe(self, topic):
        self.logger.debug("subscribing to topic %s" % topic)
        result = self.mqtt.subscribe(topic)

        if result[0] == MQTT_ERR_NO_CONN:
            self.logger.warning("no connection while trying to subscribe to topic %s" % topic)
            return False

        return result[0] == MQTT_ERR_SUCCESS 

# 需要导入模块: from paho.mqtt import client [as 别名]
# 或者: from paho.mqtt.client import MQTT_ERR_NO_CONN [as 别名]
def unsubscribe(self, topic):
        self.logger.debug("unsubscribing from topic %s" % topic)
        result = self.mqtt.unsubscribe(topic)

        if result[0] == MQTT_ERR_NO_CONN:
            self.logger.warning("no connection while trying to unsubscribe from topic %s" % topic)
            return False

        return result[0] == MQTT_ERR_SUCCESS 

# 需要导入模块: from paho.mqtt import client [as 别名]
# 或者: from paho.mqtt.client import MQTT_ERR_NO_CONN [as 别名]
def _internal_send_message(self, topic, payload, queue):
        self.logger.debug("sending topic %s with value \"%s\"" % (topic, payload))
        result = self.mqtt.publish(topic, payload, retain=True)

        if result[0] == MQTT_ERR_NO_CONN and queue:
            self.logger.debug("no connection, saving message with topic %s to queue" % topic)
            self.queue.append([topic, payload])
        elif result[0] != MQTT_ERR_SUCCESS:
            self.logger.warning("failed sending message %s, mqtt error %s" % (topic, result))
            return False

        return True 

# 需要导入模块: from paho.mqtt import client [as 别名]
# 或者: from paho.mqtt.client import MQTT_ERR_NO_CONN [as 别名]
def publish(self, message, pubTopic):
    """Called by others to publish a message to the publish topic"""

    try:
      rval = self.client.publish(pubTopic, message)
      if rval[0] == mqtt.MQTT_ERR_NO_CONN:
        self.logger.error("Error publishing update: " + message +  " to " + pubTopic)
        self.comms.reconnect() # try to reconnect again
      else:
        self.logger.info("Published message " + message + " to " + pubTopic)
    except:
      print "Unexpected error publishing message:", sys.exc_info()[0] 

# 需要导入模块: from paho.mqtt import client [as 别名]
# 或者: from paho.mqtt.client import MQTT_ERR_NO_CONN [as 别名]
def publish(self, topic, state):
        full_topic = self.config['topic'] + topic
        try:
            rc = self.mqttclient.publish(full_topic, state)
            if rc[0] == mqtt.MQTT_ERR_NO_CONN:            
                logger.warn("Error during publish: MQTT_ERR_NO_CONN")
            else:
                logger.info("Sent " + state + " to " + full_topic)
        except Exception as e:
            logger.error('Unable to send', exc_info=True)