moha/utils.php

<?php
////logger(DEBUG, _("Including utils.php"), __FILE__ . ":" . __LINE__);

function bool2string($var)
{
	if ($var === false)
	{
		return "false";
	}elseif($var === true)
	{
		return "true";
	}elseif ($var === null)
	{
		return "null";
	}else
	{
		return $var;
	}
}

function validateDate($date, $format = 'Y-m-d H:i:s')
{
    $d = DateTime::createFromFormat($format, $date);
    return $d && $d->format($format) == $date;
}

function now()
{
	$now = new datetime();
	return $now;
}

function farenheit2celsius($value)
{
	return round((((float)$value - 32) / 1.8),2);
}

function mph2kmh($value)
{
	return round(((float)$value * 1.60934),2);
}

function millibars($value)
{
	return round(((float)$value * 33.86),2);
}

function mktopic($device)
{
	return $device->topic . "/" . $device->friendlyName;
}

function getDevice($topic, $fn)
{
	global $topics, $devices;
	if (array_key_exists($topic, $topics))
	{
		$var = $devices[$topic];
		$path = explode("/", $fn);
		foreach($path as $tmp)
		{
			if (array_key_exists($tmp, $var))
			{
				$var = $var[$tmp];
			}else
			{
				////logger(ERROR, sprintf(_("level %s of %s do not exists in %s"), $tmp, $fn, $topic), __FILE__ . ":" . __LINE__ );
				return false;
			}
		}
		////logger(DEBUG, sprintf(_("returning a value")), __FILE__ . ":" . __LINE__ );
		return $var["device"];
	}else
	{
		////logger(ERROR, sprintf(_("Topic %s do not exists"), $topic), __FILE__ . ":" . __LINE__ );
		return false;
	}
}


function getValue($ieeeAddress, $property)
{
	global $indexDevices;
	if (array_key_exists($property, $indexDevices[$ieeeAddress]->properties))
	{
		$r = $indexDevices[$ieeeAddress]->properties[$property]["value"];
		//logger(DEBUG, "device: " . $indexDevices[$ieeeAddress]->friendlyName . " value: " . $r, __FILE__ . ":" . __LINE__ );
	}else
	{
		$r = false;
		//logger(ERROR, "device: " . $indexDevices[$ieeeAddress]->friendlyName . "property " . $property . "does not exists", __FILE__ . ":" . __LINE__ );
	}
	return $r;
}

function setValue($fn, $property, $value)
{
	global $indexDevices;
	$indexDevices[$ieeeAddress]->properties[$property]["value"] = $value;
}

//logger(DEBUG, _("signal handling"), __FILE__ . ":" . __LINE__, false);
//signal handling
function signalHandler($signal)
{
	endMoha();
}
pcntl_signal(SIGTERM, 'signalHandler');// Termination ('kill' was called)
pcntl_signal(SIGHUP, 'signalHandler'); // Terminal log-out
pcntl_signal(SIGINT, 'signalHandler');
?>