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dtux__pws2mqtt/mqtt_functions.php
2022-01-10 10:42:32 +01:00

138 lines
3.3 KiB
PHP

<?php
require "utils.php";
$mids = array();
$client = new Mosquitto\Client();
// log levels
define( "DEBUG", $client::LOG_DEBUG); // => 16
define( "INFO", $client::LOG_INFO); // => 1
define( "NOTICE", $client::LOG_NOTICE); // => 2
define( "WARNING", $client::LOG_WARNING); // => 4
define( "ERROR", $client::LOG_ERR); // => 8
define( "ALERT", 32);
define( "ALL", DEBUG | INFO | NOTICE | WARNING | ERROR | ALERT);
$logLevel = INFO | WARNING | ERROR | ALERT;
//$notificationLevel = WARNING | ERROR; // TODO send notification
logger(DEBUG, _("defining callback functions"));
// defining callback functions
$client->onConnect('connectResponse');
$client->onDisconnect('disconnectResponse');
$client->onSubscribe('subscribeResponse');
$client->onUnsubscribe('unsubscribeResponse');
$client->onMessage('messageReceived');
$client->onLog('logger');
$client->onPublish('publishResponse');
logger(DEBUG, _("connecting to mqtt server"));
$client->connect($mqttServerAddress, $mqttServerPort, 30);
logger(DEBUG, _("subscribing"));
$mid = $client->subscribe($topicName . "/#", 2);
function messageReceived($message)
{
global $topicName, $logFh;
$topic = explode ("/", $message->topic);
if($topic[array_key_last($topic)] != "get" and ($topic[array_key_last($topic)]) != "set")
{
$topic = explode ("/", $message->topic, 2); // get topic name
$fnTree = explode ("/" , $topic[1]); // get friendlyname
echo $topic[0] . " => " . $topic[1] . EOL;
logger(INFO, print_r(json_decode($message->payload), true));
}
}
// payload is an array :
// $key is property => $value is value of the parameter
function publish($payload, $commande="")
{
global $mids, $friendlyName, $topicName, $client, $logFh;
//print_r($payload);
$string = $topicName . "/" . $friendlyName;
$mid = $client->publish($string, $payload , 2);
if (isset($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 => " . $payload);
}
function connectResponse($r, $message)
{
global $connected;
echo sprintf(_("I got code %d and message : '%s'"), $r, $message) . EOL;
switch ($r)
{
case 0:
logger(INFO, _("Successfull connection"));
$connected = true;
break;
case 1:
logger(INFO, _("Connection refused : unacceptable protocol version"));
$connected = false;
break;
case 2:
logger(INFO, _("Connection refused : identifier rejected"));
$connected = false;
break;
case 3:
logger(INFO, _("Connection refused (broker unavailable )"));
$connected = false;
break;
}
return $connected;
}
function subscribeResponse($mid, $qosCount)
{
global $topics;
logger(INFO, _("Subscribed"));
}
function unsubscribeResponse($mid)
{
global $client;
logger(INFO, _("Unsubscribed"));
$client->disconnect();
}
function disconnectResponse($r)
{
global $connected;
if ($r != 0)
{
$str = _('Badly ');
}else
{
$str = _('Cleanly ');
}
logger(INFO, $str . _("disconnected from server"));
$connected = false;
}
function publishResponse($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;
}
}
?>