If we can't reconnect after 2 attempts and a delay fo 2s, then restart

Thankfully, the ESP32 has an inbuilt function to reboot it :D

autoplant_pio/src/autoplant.cpp

@@ -137,10 +137,21 @@ void connect_mqtt() {
 	Serial.println("ok");
 }
 
-void check_mqtt() {
+void check_mqtt(bool reset = false) {
 	if(mqtt.connected() == 0) {
-		Serial.print("MQTT reconnect: ");
-		connect_mqtt();
+		if(reset) {
+			Serial.print("MQTT reconnect: ");
+			connect_mqtt();
+			delay(2000);
+			if(mqtt.connected() == 0) {
+				Serial.println("failed! rebooting.\n\n");
+				ESP.restart();
+			}
+		}
+		else {
+			Serial.print("MQTT reconnect: ");
+			connect_mqtt();
+		}
 	}
 	else {
 		Serial.println("MQTT: connection ok");
@@ -159,7 +170,8 @@ bool send_mqtt(String id, String sensor, float value) {
 	// char* payload = new char[length]();
 	// serializeJson(data, payload, length);
 	
-	check_mqtt();
+	check_mqtt(false);
+	check_mqtt(true);
 	bool result = mqtt.publish("sensors/data", payload.c_str());
 	// delete[] payload;