moha/mqtt_functions.php

<?php
logger(DEBUG,"Including mqtt_functions.php");

function messageReceived($message)
{
	global $topics, $logFh, $devices, $included;
	$topic = explode ("/", $message->topic);
	$callback = $topics[$topic[0]]->callback;
	logger(DEBUG, "topic => " . print_r($topic, true));
	$callback($topic, $message);
}

// payload is an array :
// $key is property and $value is value of the property

function publish($topic, $payload, $commande="set") //, $eventKey)
{
	global $client, $mids, $logFh, $testMode;
	$string = $topic . "/" . $commande;
	if ($testMode === false)
	{
		$mid = $client->publish($string, json_encode($payload) , 2);
		if (isset($mids[$mid]))
		{
			//echo "unsetting mids" .EOL;
			unset ($mids[$mid]);
		}else
		{
			//echo "setting mids" .EOL;
			$mids[$mid] = true;
		}
		logger(LOG_INFO, $logFh, "Publishing " . $string . " with payload => " . json_encode($payload));
	}else
	{
		logger(INFO, _("Test mode on: no publishing "));
	}
}

function connectResponse($r, $message)
{
	global $connected;
	echo sprintf(_("I got code %d and message : '%s'"), $r, $message) . EOL;
	switch ($r)
	{
		case 0:
			echo _("Successfull connection") . EOL;
			$connected = true;
			break;
		case 1:
			echo _("Connection refused : unacceptable protocol version") . EOL;
			$connected = true;
			break;
		case 2:
			echo _("Connection refused : identifier rejected") . EOL;
			$connected = true;
			break;
		case 3:
			echo _("Connection refused (broker unavailable )") . EOL;
			$connected = true;
			break;
	}
}

function subscribeResponse($mid, $qosCount)
{
	global $topics, $mids, $nSubscribed;
	//print_r($mids);
	$key = $mids[$mid];
	echo _("Subscribed to ") . $key . EOL;
	$topics[$key]->status = true;
	$nSubscribed += 1;
}

function unsubscribeResponse($mid)
{
	global $client;			//$topics, $mids, $nSubscribed;
	//$key = $mids[$mid];
	echo _("Unsubscribed");		// from ") . $topics[$key]->name . EOL;
	//$topics[$key]->status = false;
	//$nSubscribed -= 1;
	$client->disconnect();
}

function disconnectResponse($r)
{
	global $connected;
	if ($r != 0)
	{
		echo _('Badly ');
	}else
	{
		echo _('Cleanly ');
	}
	echo _("disconnected from server") . EOL;
	$connected = false;
}

function publishResponse($mid)
{
	global $mids, $events;
	logger(LOG_INFO, "Event with mid = " . $mid . " published by MQTT broker");
	if (isset($mids[$mid]))
	{
		//echo "unsetting mids" . EOL;
		unset ($mids[$mid]);
		//print_r($mids);
	}else
	{
		//echo "setting mids" . EOL;
		$mids[$mid] = true;
	}
}
?>