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Laravel MQTT Package

A simple Laravel Library to connect/publish/subscribe to MQTT broker

Based on bluerhinos/phpMQTT

For Example see this repo

Installation

composer require salmanzafar/laravel-mqtt

Features

  • Name and password authentication
  • Client certificate 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
  • Addition of Helper functions to make development more easy

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

To declare the provider and/or alias explicitly, then add the service provider to your config/app.php:

'providers' => [

        Salman\Mqtt\MqttServiceProvider::class,
];

And then add the alias to your config/app.php:

'aliases' => [

       'Mqtt' => \Salman\Mqtt\Facades\Mqtt::class,
];

Configuration

Publish the configuration file

php artisan vendor:publish --provider="Salman\Mqtt\MqttServiceProvider"

Config/mqtt.php

    'host'      => env('mqtt_host','127.0.0.1'),
    'password'  => env('mqtt_password',''),
    'username'  => env('mqtt_username',''),
    'certfile'  => env('mqtt_cert_file',''),
    'localcert' => env('mqtt_local_cert', ''),
    'localpk'   => env('mqtt_local_pk', ''),
    '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

use Salman\Mqtt\MqttClass\Mqtt;

public function SendMsgViaMqtt($topic, $message)
{
        $mqtt = new Mqtt();
        $client_id = Auth::user()->id;
        $output = $mqtt->ConnectAndPublish($topic, $message, $client_id);

        if ($output === true)
        {
            return "published";
        }
        
        return "Failed";
}

Publishing topic using Facade

use Mqtt;

public function SendMsgViaMqtt($topic, $message)
{
        $client_id = Auth::user()->id;
        
        $output = Mqtt::ConnectAndPublish($topic, $message, $client_id);

        if ($output === true)
        {
            return "published";
        }

        return "Failed";
}

Subscribing topic

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);


    }

Subscribing topic using Facade

use Mqtt;

public function SubscribetoTopic($topic)
    {
       //You can also subscribe to multiple topics using the same function $topic can be array of topics e.g ['topic1', 'topic2']

       Mqtt::ConnectAndSubscribe($topic, function($topic, $msg){
            echo "Msg Received: \n";
            echo "Topic: {$topic}\n\n";
            echo "\t$msg\n\n";
        },$client_id);


    }

Publishing topic using Helper method


public function SendMsgViaMqtt($topic, $message)
{
        $client_id = Auth::user()->id;
        
        $output = connectToPublish($topic, $message, $client_id);

        if ($output === true)
        {
            return "published";
        }

        return "Failed";
}

Subscribing topic using Helper method

//You can also subscribe to multiple topics using the same function $topic can be array of topics e.g ['topic1', 'topic2']
public function SubscribetoTopic($topic)
{
  return connectToSubscribe($topic,$client_id);
}

Happy Coding...!

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A simple Laravel Library to connect/publish/subscribe to MQTT broker

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