python - MQTT 和 Python - 继续发送消息

Question

我正在使用 ESP32 运行 MicroPython 代码，它在启动时会发送一条 MQTT 消息。

现在这个设备已经关闭（没有插上电源！！），但我仍然收到它连接到代理的消息。

1）为什么会发生？

2）我需要什么来阻止它？

3) 最后一次尝试是使用 QOS=1 或 2，也许这是导致问题的原因？仍然如何阻止它？

盖伊

EDIT1 - 添加调试输出：

guy@lab_pi:~ $ mosquitto_sub -d -t HomePi/Dvir/# 
Client mosqsub/2800-lab_pi sending CONNECT
Client mosqsub/2800-lab_pi received CONNACK
Client mosqsub/2800-lab_pi sending SUBSCRIBE (Mid: 1, Topic: HomePi/Dvir/#, QoS: 0)
Client mosqsub/2800-lab_pi received SUBACK
Subscribed (mid: 1): 0
Client mosqsub/2800-lab_pi received PUBLISH (d0, q0, r1, m0, 'HomePi/Dvir/Windows/ESP32', ... (4 bytes))
Down
Client mosqsub/2800-lab_pi received PUBLISH (d0, q0, r1, m0, 'HomePi/Dvir/Windows/Sonoff1', ... (36 bytes))
[HomePi/Dvir/Windows/All][down] D000
Client mosqsub/2800-lab_pi received PUBLISH (d0, q0, r1, m0, 'HomePi/Dvir/Messages', ... (69 bytes))
[HomePi/Dvir/Windows/Sonoff1] Connected to MQTT server: 192.168.2.113
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi received PUBLISH (d0, q0, r0, m0, 'HomePi/Dvir/Messages', ... (91 bytes))
[2018-08-27 19:14:25.00] Topic: [HomePi/Dvir/Windows/ESP32_3] Message: Button Switch: [OFF]
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi received PUBLISH (d0, q0, r0, m0, 'HomePi/Dvir/Messages', ... (91 bytes))
[2018-08-27 19:25:03.00] Topic: [HomePi/Dvir/Windows/ESP32_3] Message: Button Switch: [OFF]
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi received PUBLISH (d0, q0, r0, m0, 'HomePi/Dvir/Messages', ... (90 bytes))
[2018-08-27 19:26:46.00] Topic: [HomePi/Dvir/Windows/ESP32_3] Message: Button Switch: [UP]
Client mosqsub/2800-lab_pi received PUBLISH (d0, q0, r0, m0, 'HomePi/Dvir/Messages', ... (91 bytes))
[2018-08-27 19:26:47.00] Topic: [HomePi/Dvir/Windows/ESP32_3] Message: Button Switch: [OFF]
Client mosqsub/2800-lab_pi received PUBLISH (d0, q0, r0, m0, 'HomePi/Dvir/Messages', ... (92 bytes))
[2018-08-27 19:26:47.00] Topic: [HomePi/Dvir/Windows/ESP32_3] Message: Button Switch: [DOWN]
Client mosqsub/2800-lab_pi received PUBLISH (d0, q0, r0, m0, 'HomePi/Dvir/Messages', ... (91 bytes))
[2018-08-27 19:26:48.00] Topic: [HomePi/Dvir/Windows/ESP32_3] Message: Button Switch: [OFF]
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP
Client mosqsub/2800-lab_pi sending PINGREQ
Client mosqsub/2800-lab_pi received PINGRESP

标签： pythonmqtt