Created
October 30, 2023 16:19
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Check if an MQTT client is connected
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| import paho.mqtt.client as mqtt | |
| flag_connected = 0 | |
| def on_connect(client, userdata, flags, rc): | |
| global flag_connected | |
| flag_connected = 1 | |
| def on_disconnect(client, userdata, rc): | |
| global flag_connected | |
| flag_connected = 0 | |
| client = mqtt.Client() | |
| client.on_connect = on_connect | |
| client.on_disconnect = on_disconnect | |
| client.connect("server", port, 60) | |
| client.loop_forever() | |
| if flag_connected == 1: | |
| # Publish message | |
| else: | |
| # Wait to reconnect |
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