some debbuging

class/availability.php

@@ -0,0 +1,41 @@
+<?php
+
+class availability
+{
+	// by default all devices are listening for availability
+
+	// callback fonction. Is called with these 3 parameters
+	// $device 	-> calling device
+	// $param 	-> parameter passed by mqtt
+	// $value 	-> value of the parameter
+	public function callBack($device, $param, $value)
+	{
+		switch($param)
+		{
+			case "availability":			// theorically can't be other, but ....
+				if ($device->availability != $value)
+				{
+					//echo "==========>>>>>> Availability $value" . EOL;
+					if (!empty($device->availability))
+					{
+						$log = WARNING;
+					}else
+					{
+						$log = INFO;
+					}
+					$device->availability = $value
+					logger($log, sprintf(_("Device: %s/%s is %s"), $topic, $fn , $value));
+				}
+			break;
+		}
+		echo _("notification received from MQTT") . EOL;
+		//echo $param . "=> " . $value . EOL;
+	}
+	public function getHook()
+	{
+		return array($this,"callback");
+	}
+}
+
+$hooks["availability"] = new availability;
+?>