composer

Readme.md

@@ -1,9 +1,11 @@
 # Laravel MQTT Package
 
-A simple Laravel 5 Library to connect/publish to MQTT broker
+A simple Laravel 5 and 6 Library to connect/publish/subscribe to MQTT broker
 
 Based on [bluerhinos/phpMQTT](https://github.com/bluerhinos/phpMQTT)
 
+For Example see this [repo](https://github.com/salmanzafar949/Laravel-Mqtt-Example)
+
 ## Installation
 ```
 composer require salmanzafar/laravel-mqtt
@@ -13,8 +15,12 @@ composer require salmanzafar/laravel-mqtt
 * Name and Password Authentication
 * Certificate Protection for end to end encryption
 * Enable Debug mode to make it easier for debugging 
+* Now you can also set Client_id of your choice and if you don't want just simply don't use or set it to null
+* Set QOS flag directly from config file
+* Set Retain flag directly from config file
 
 ## Enable the package (Optional)
+
 This package implements Laravel auto-discovery feature. After you install it the package provider and facade are added automatically for laravel >= 5.5.
 
 __This step is only required if you are using laravel version <5.5__
@@ -47,6 +53,8 @@ php artisan vendor:publish --provider="Salman\Mqtt\MqttServiceProvider"
     'certfile' => env('mqtt_cert_file',''),
     'port'     => env('mqtt_port','1883'),
     'debug'    => env('mqtt_debug',false) //Optional Parameter to enable debugging set it to True
+    'qos'      => env('mqtt_qos', 0), // set quality of service here
+    'retain'   => env('mqtt_retain', 0) // it should be 0 or 1 Whether the message should be retained.- Retain Flag
 ```
 #### Publishing topic
 
@@ -56,7 +64,8 @@ use Salman\Mqtt\MqttClass\Mqtt;
 public function SendMsgViaMqtt($topic, $message)
 {
         $mqtt = new Mqtt();
-        $output = $mqtt->ConnectAndPublish($topic, $message);
+        $client_id = Auth::user()->id;
+        $output = $mqtt->ConnectAndPublish($topic, $message, $client_id);
 
         if ($output === true)
         {
@@ -73,7 +82,9 @@ use Mqtt;
 
 public function SendMsgViaMqtt($topic, $message)
 {
-        $output = Mqtt::ConnectAndPublish($topic, $message);
+        $client_id = Auth::user()->id;
+        
+        $output = Mqtt::ConnectAndPublish($topic, $message, $client_id);
 
         if ($output === true)
         {
@@ -92,11 +103,12 @@ use Salman\Mqtt\MqttClass\Mqtt;
 public function SubscribetoTopic($topic)
     {
         $mqtt = new Mqtt();
+        $client_id = Auth::user()->id;
         $mqtt->ConnectAndSubscribe($topic, function($topic, $msg){
             echo "Msg Received: \n";
             echo "Topic: {$topic}\n\n";
             echo "\t$msg\n\n";
-        });
+        }, $client_id);
 
 
     }
@@ -112,7 +124,7 @@ public function SubscribetoTopic($topic)
             echo "Msg Received: \n";
             echo "Topic: {$topic}\n\n";
             echo "\t$msg\n\n";
-        });
+        },$client_id);
 
 
     }

composer.json

@@ -1,6 +1,6 @@
 {
-    "name": "salmanzafar/laravel-mqtt",
-    "description": "A simple Laravel 5 Library to connect/publish to MQTT broker",
+    "name": "salmanzafar-chenc/laravel-mqtt",
+    "description": "A simple Laravel 5 and 6 Library to connect/publish/subscribe to MQTT broker",
     "type": "library",
     "license": "MIT",
     "authors": [

src/MqttClass/Mqtt.php

@@ -40,6 +40,8 @@ class Mqtt
     protected $password = null;
     protected $port = null;
     protected $debug = null;
+    protected $qos = 0;
+    protected $retain = 0;
 
     public function __construct()
     {
@@ -49,17 +51,21 @@ class Mqtt
         $this->cert_file = config('mqtt.certfile');
         $this->port      = config('mqtt.port');
         $this->debug     = config('mqtt.debug');
+        $this->qos       = config('mqtt.qos');
+        $this->retain    = config('mqtt.retain');
 
     }
 
 
-    public function ConnectAndPublish($topic, $msg)
+    public function ConnectAndPublish($topic, $msg, $client_id=null)
     {
-        $client = new MqttService($this->host,$this->port, rand(0,100), $this->cert_file, $this->debug);
+        $id = empty($client_id) ?  rand(0,999) : $client_id;
+
+        $client = new MqttService($this->host,$this->port, $id, $this->cert_file, $this->debug);
 
         if ($client->connect(true, null, $this->username, $this->password))
         {
-            $client->publish($topic,$msg);
+            $client->publish($topic,$msg, $this->qos, $this->retain);
             $client->close();
 
             return true;
@@ -69,15 +75,17 @@ class Mqtt
 
     }
 
-    public function ConnectAndSubscribe($topic, $proc)
+    public function ConnectAndSubscribe($topic, $proc, $client_id=null)
     {
-        $client = new MqttService($this->host,$this->port, rand(0,100), $this->cert_file, $this->debug);
+        $id = empty($client_id) ?  rand(0,999) : $client_id;
+
+        $client = new MqttService($this->host,$this->port,$id, $this->cert_file, $this->debug);
 
         if ($client->connect(true, null, $this->username, $this->password))
         {
             $topics[$topic] = array("qos" => 0, "function" => $proc);
 
-            $client->subscribe($topics, 0);
+            $client->subscribe($topics, $this->qos);
 
             while($client->proc())
             {

src/MqttClass/MqttService.php

@@ -9,21 +9,22 @@
 namespace Salman\Mqtt\MqttClass;
 
 /*
-	A simple php class to connect/publish to an MQTT broker
+	A simple php class to connect/publish/Subscribe to an MQTT broker
 */
 
 /* phpMQTT */
+
 class MqttService
 {
     private $socket; 			/* holds the socket	*/
     private $msgid = 1;			/* counter for message id */
-    public $keepalive = 10;		/* default keepalive timmer */
-    public $timesinceping;		/* host unix time, used to detect disconects */
+    public $keepalive = 10;		/* default keepalive timer */
+    public $timesinceping;		/* host unix time, used to detect disconnects */
     public $topics = array(); 	/* used to store currently subscribed topics */
     public $debug = false;		/* should output debug messages */
     public $address;			/* broker address */
     public $port;				/* broker port */
-    public $clientid;			/* client id sent to brocker */
+    public $clientid;			/* client id sent to broker */
     public $will;				/* stores the will of the client */
     private $username;			/* stores username */
     private $password;			/* stores password */
@@ -33,6 +34,7 @@ class MqttService
         $this->debug = $debug;
         $this->broker($address, $port, $clientid, $cafile);
     }
+
     /* sets the broker details */
     function broker($address, $port, $clientid, $cafile = NULL){
         $this->address = $address;
@@ -40,12 +42,14 @@ class MqttService
         $this->clientid = $clientid;
         $this->cafile = $cafile;
     }
+
     function connect_auto($clean = true, $will = NULL, $username = NULL, $password = NULL){
         while($this->connect($clean, $will, $username, $password)==false){
             sleep(10);
         }
         return true;
     }
+
     /* connects to the broker
         inputs: $clean: should the client send a clean session flag */
     function connect($clean = true, $will = NULL, $username = NULL, $password = NULL){
@@ -103,21 +107,22 @@ class MqttService
         if($this->username) $buffer .= $this->strwritestring($this->username,$i);
         if($this->password) $buffer .= $this->strwritestring($this->password,$i);
         $head = "  ";
-        $head{0} = chr(0x10);
-        $head{1} = chr($i);
+        $head[0] = chr(0x10);
+        $head[1] = chr($i);
         fwrite($this->socket, $head, 2);
         fwrite($this->socket,  $buffer);
         $string = $this->read(4);
-        if(ord($string{0})>>4 == 2 && $string{3} == chr(0)){
+        if(ord($string[0])>>4 == 2 && $string[3] == chr(0)){
             if($this->debug) echo "Connected to Broker\n";
         }else{
             error_log(sprintf("Connection failed! (Error: 0x%02x 0x%02x)\n",
-                ord($string{0}),ord($string{3})));
+                ord($string[0]),ord($string[3])));
             return false;
         }
         $this->timesinceping = time();
         return true;
     }
+
     /* read: reads in so many bytes */
     function read($int = 8192, $nb = false){
         //	print_r(socket_get_status($this->socket));
@@ -140,6 +145,7 @@ class MqttService
 
         return $string;
     }
+
     /* subscribe: subscribes to topics */
     function subscribe($topics, $qos = 0){
         $i = 0;
@@ -165,6 +171,7 @@ class MqttService
         $bytes = ord(substr($string,1,1));
         $string = $this->read($bytes);
     }
+
     /* ping: sends a keep alive ping */
     function ping(){
         $head = " ";
@@ -173,18 +180,21 @@ class MqttService
         fwrite($this->socket, $head, 2);
         if($this->debug) echo "ping sent\n";
     }
-    /* disconnect: sends a proper disconect cmd */
+
+    /* disconnect: sends a proper disconnect cmd */
     function disconnect(){
         $head = " ";
-        $head{0} = chr(0xe0);
-        $head{1} = chr(0x00);
+        $head[0] = chr(0xe0);
+        $head[1] = chr(0x00);
         fwrite($this->socket, $head, 2);
     }
+
     /* close: sends a proper disconect, then closes the socket */
     function close(){
         $this->disconnect();
         stream_socket_shutdown($this->socket, STREAM_SHUT_WR);
     }
+
     /* publish: publishes $content on a $topic */
     function publish($topic, $content, $qos = 0, $retain = 0){
         $i = 0;
@@ -202,14 +212,15 @@ class MqttService
         $cmd = 0x30;
         if($qos) $cmd += $qos << 1;
         if($retain) $cmd += 1;
-        $head{0} = chr($cmd);
+        $head[0] = chr($cmd);
         $head .= $this->setmsglength($i);
         fwrite($this->socket, $head, strlen($head));
         fwrite($this->socket, $buffer, $i);
     }
-    /* message: processes a recieved topic */
+
+    /* message: processes a received topic */
     function message($msg){
-        $tlen = (ord($msg{0})<<8) + ord($msg{1});
+        $tlen = (ord($msg[0])<<8) + ord($msg[1]);
         $topic = substr($msg,2,$tlen);
         $msg = substr($msg,($tlen+2));
         $found = 0;
@@ -227,7 +238,8 @@ class MqttService
         }
         if($this->debug && !$found) echo "msg recieved but no match in subscriptions\n";
     }
-    /* proc: the processing loop for an "allways on" client
+
+    /* proc: the processing loop for an "always on" client
         set true when you are doing other stuff in the loop good for watching something else at the same time */
     function proc( $loop = true){
         if(1){
@@ -291,18 +303,20 @@ class MqttService
         }
         return 1;
     }
+
     /* getmsglength: */
     function getmsglength(&$msg, &$i){
         $multiplier = 1;
         $value = 0 ;
         do{
-            $digit = ord($msg{$i});
+            $digit = ord($msg[$i]);
             $value += ($digit & 127) * $multiplier;
             $multiplier *= 128;
             $i++;
         }while (($digit & 128) != 0);
         return $value;
     }
+
     /* setmsglength: */
     function setmsglength($len){
         $string = "";
@@ -316,6 +330,7 @@ class MqttService
         }while ( $len > 0 );
         return $string;
     }
+
     /* strwritestring: writes a string to a buffer */
     function strwritestring($str, &$i){
         $ret = " ";
@@ -328,12 +343,13 @@ class MqttService
         $i += ($len+2);
         return $ret;
     }
+
     function printstr($string){
         $strlen = strlen($string);
         for($j=0;$j<$strlen;$j++){
-            $num = ord($string{$j});
+            $num = ord($string[$j]);
             if($num > 31)
-                $chr = $string{$j}; else $chr = " ";
+                $chr = $string[$j]; else $chr = " ";
             printf("%4d: %08b : 0x%02x : %s \n",$j,$num,$num,$chr);
         }
     }

src/config/mqtt.php

@@ -13,5 +13,7 @@ return [
     'username' => env('mqtt_username',''),
     'certfile' => env('mqtt_cert_file',''),
     'port'     => env('mqtt_port','1883'),
-    'debug' => env('mqtt_debug',false) //Optional Parameter to enable debugging set it to True
+    'debug'    => env('mqtt_debug',false), //Optional Parameter to enable debugging set it to True
+    'qos'      => env('mqtt_qos', 0), // set quality of service here
+    'retain'   => env('mqtt_retain', 0) // it should be 0 or 1 Whether the message should be retained.- Retain Flag
 ];