retain online message
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@ -154,7 +154,7 @@ void mqtt_reconnect() {
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if (mqtt_client.connect(wifi_station_get_hostname(), topic("online"), MQTTQOS1, true, "0")) {
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Serial.println("connected");
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// once connected, publish an announcement...
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mqtt_client.publish(topic("online"), "1");
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mqtt_client.publish(topic("online"), "1", true);
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// ... and resubscribe:
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mqtt_client.subscribe("inTopic");
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} else {
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