Laravel Mqtt Broker package
This commit is contained in:
salman zafar
commit
5d9ea776a2
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# Laravel MQTT Package
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## A simple Package that can be used to connect to Mqtt using laravel
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## it uses bluerhinos/phpMQTT --- https://github.com/bluerhinos/phpMQTT as a base
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## Documentation coming soon.
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<?php
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/**
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* Created by PhpStorm.
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* User: salman
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* Date: 2/22/19
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* Time: 1:16 PM
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*/
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namespace Salman\Mqtt\MqttClass;
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class Mqtt
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{
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protected $client;
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protected $host = null;
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protected $username = null;
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protected $cert_file = null;
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protected $password = null;
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protected $port = null;
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public function __construct()
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{
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$this->host = config('mqtt.host');
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$this->username = config('mqtt.username');
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$this->password = config('mqtt.password');
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$this->cert_file = config('mqtt.certfile');
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$this->port = config('mqtt.port');
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// $this->client = new phpMQTT($this->host, $this->port, 25,$this-$this->cert_file);
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// $this->client = new MQTTClient($this->host,$this->port);
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}
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public function ConnectAndSendMessage($topic, $msg)
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{
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$client = new phpMQTT($this->host,$this->port, rand(0,100), $this->cert_file);
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if ($client->connect(true))
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{
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$client->publish($topic,$msg);
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$client->close();
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return true;
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}
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return false;
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// $this->client->setAuthentication($this->username,$this->password);
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// $this->client->setEncryption($this->cert_file);
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// $success = $this->client->sendConnect(rand(0,63)); // set your client ID
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// if ($success) {
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// $this->client->sendPublish($topic, $msg);
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// $messages = $this->client->getPublishMessages(); // now read and acknowledge all messages waiting
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// foreach ($messages as $message) {
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// echo $message['topic'] .': '. $message['message'] . PHP_EOL;
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// }
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//
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// $this->client->sendDisconnect();
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// echo 'success';
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// }
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//
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// $this->client->close();
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// echo 'error';
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}
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}
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<?php
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/**
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* Created by PhpStorm.
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* User: salman
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* Date: 2/22/19
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* Time: 2:34 PM
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*/
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namespace Salman\Mqtt\MqttClass;
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/*
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phpMQTT
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A simple php class to connect/publish/subscribe to an MQTT broker
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*/
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/*
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Licence
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Copyright (c) 2010 Blue Rhinos Consulting | Andrew Milsted
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andrew@bluerhinos.co.uk | http://www.bluerhinos.co.uk
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/* phpMQTT */
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class phpMQTT {
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private $socket; /* holds the socket */
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private $msgid = 1; /* counter for message id */
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public $keepalive = 10; /* default keepalive timmer */
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public $timesinceping; /* host unix time, used to detect disconects */
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public $topics = array(); /* used to store currently subscribed topics */
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public $debug = false; /* should output debug messages */
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public $address; /* broker address */
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public $port; /* broker port */
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public $clientid; /* client id sent to brocker */
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public $will; /* stores the will of the client */
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private $username; /* stores username */
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private $password; /* stores password */
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public $cafile;
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function __construct($address, $port, $clientid, $cafile = NULL, $debug=false){
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$this->debug = $debug;
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$this->broker($address, $port, $clientid, $cafile);
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}
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/* sets the broker details */
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function broker($address, $port, $clientid, $cafile = NULL){
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$this->address = $address;
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$this->port = $port;
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$this->clientid = $clientid;
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$this->cafile = $cafile;
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}
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function connect_auto($clean = true, $will = NULL, $username = NULL, $password = NULL){
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while($this->connect($clean, $will, $username, $password)==false){
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sleep(10);
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}
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return true;
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}
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/* connects to the broker
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inputs: $clean: should the client send a clean session flag */
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function connect($clean = true, $will = NULL, $username = NULL, $password = NULL){
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if($will) $this->will = $will;
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if($username) $this->username = $username;
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if($password) $this->password = $password;
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if ($this->cafile) {
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$socketContext = stream_context_create(["ssl" => [
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"verify_peer_name" => true,
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"cafile" => $this->cafile
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]]);
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$this->socket = stream_socket_client("tls://" . $this->address . ":" . $this->port, $errno, $errstr, 60, STREAM_CLIENT_CONNECT, $socketContext);
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} else {
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$this->socket = stream_socket_client("tcp://" . $this->address . ":" . $this->port, $errno, $errstr, 60, STREAM_CLIENT_CONNECT);
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}
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if (!$this->socket ) {
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if($this->debug) error_log("stream_socket_create() $errno, $errstr \n");
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return false;
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}
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stream_set_timeout($this->socket, 5);
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stream_set_blocking($this->socket, 0);
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$i = 0;
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$buffer = "";
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$buffer .= chr(0x00); $i++;
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$buffer .= chr(0x06); $i++;
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$buffer .= chr(0x4d); $i++;
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$buffer .= chr(0x51); $i++;
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$buffer .= chr(0x49); $i++;
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$buffer .= chr(0x73); $i++;
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$buffer .= chr(0x64); $i++;
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$buffer .= chr(0x70); $i++;
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$buffer .= chr(0x03); $i++;
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//No Will
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$var = 0;
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if($clean) $var+=2;
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//Add will info to header
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if($this->will != NULL){
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$var += 4; // Set will flag
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$var += ($this->will['qos'] << 3); //Set will qos
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if($this->will['retain']) $var += 32; //Set will retain
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}
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if($this->username != NULL) $var += 128; //Add username to header
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if($this->password != NULL) $var += 64; //Add password to header
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$buffer .= chr($var); $i++;
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//Keep alive
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$buffer .= chr($this->keepalive >> 8); $i++;
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$buffer .= chr($this->keepalive & 0xff); $i++;
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$buffer .= $this->strwritestring($this->clientid,$i);
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//Adding will to payload
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if($this->will != NULL){
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$buffer .= $this->strwritestring($this->will['topic'],$i);
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$buffer .= $this->strwritestring($this->will['content'],$i);
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}
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if($this->username) $buffer .= $this->strwritestring($this->username,$i);
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if($this->password) $buffer .= $this->strwritestring($this->password,$i);
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$head = " ";
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$head{0} = chr(0x10);
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$head{1} = chr($i);
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fwrite($this->socket, $head, 2);
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fwrite($this->socket, $buffer);
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$string = $this->read(4);
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if(ord($string{0})>>4 == 2 && $string{3} == chr(0)){
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if($this->debug) echo "Connected to Broker\n";
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}else{
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error_log(sprintf("Connection failed! (Error: 0x%02x 0x%02x)\n",
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ord($string{0}),ord($string{3})));
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return false;
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}
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$this->timesinceping = time();
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return true;
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}
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/* read: reads in so many bytes */
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function read($int = 8192, $nb = false){
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// print_r(socket_get_status($this->socket));
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$string="";
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$togo = $int;
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if($nb){
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return fread($this->socket, $togo);
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}
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while (!feof($this->socket) && $togo>0) {
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$fread = fread($this->socket, $togo);
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$string .= $fread;
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$togo = $int - strlen($string);
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}
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return $string;
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}
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/* subscribe: subscribes to topics */
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function subscribe($topics, $qos = 0){
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$i = 0;
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$buffer = "";
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$id = $this->msgid;
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$buffer .= chr($id >> 8); $i++;
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$buffer .= chr($id % 256); $i++;
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foreach($topics as $key => $topic){
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$buffer .= $this->strwritestring($key,$i);
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$buffer .= chr($topic["qos"]); $i++;
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$this->topics[$key] = $topic;
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}
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$cmd = 0x80;
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//$qos
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$cmd += ($qos << 1);
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$head = chr($cmd);
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$head .= chr($i);
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fwrite($this->socket, $head, 2);
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fwrite($this->socket, $buffer, $i);
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$string = $this->read(2);
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$bytes = ord(substr($string,1,1));
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$string = $this->read($bytes);
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}
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/* ping: sends a keep alive ping */
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function ping(){
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$head = " ";
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$head = chr(0xc0);
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$head .= chr(0x00);
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fwrite($this->socket, $head, 2);
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if($this->debug) echo "ping sent\n";
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}
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/* disconnect: sends a proper disconect cmd */
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function disconnect(){
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$head = " ";
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$head{0} = chr(0xe0);
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$head{1} = chr(0x00);
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fwrite($this->socket, $head, 2);
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}
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/* close: sends a proper disconect, then closes the socket */
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function close(){
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$this->disconnect();
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stream_socket_shutdown($this->socket, STREAM_SHUT_WR);
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}
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/* publish: publishes $content on a $topic */
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function publish($topic, $content, $qos = 0, $retain = 0){
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$i = 0;
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$buffer = "";
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$buffer .= $this->strwritestring($topic,$i);
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//$buffer .= $this->strwritestring($content,$i);
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if($qos){
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$id = $this->msgid++;
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$buffer .= chr($id >> 8); $i++;
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$buffer .= chr($id % 256); $i++;
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}
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$buffer .= $content;
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$i+=strlen($content);
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$head = " ";
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$cmd = 0x30;
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if($qos) $cmd += $qos << 1;
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if($retain) $cmd += 1;
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$head{0} = chr($cmd);
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$head .= $this->setmsglength($i);
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fwrite($this->socket, $head, strlen($head));
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fwrite($this->socket, $buffer, $i);
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}
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/* message: processes a recieved topic */
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function message($msg){
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$tlen = (ord($msg{0})<<8) + ord($msg{1});
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$topic = substr($msg,2,$tlen);
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$msg = substr($msg,($tlen+2));
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$found = 0;
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foreach($this->topics as $key=>$top){
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if( preg_match("/^".str_replace("#",".*",
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str_replace("+","[^\/]*",
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str_replace("/","\/",
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str_replace("$",'\$',
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$key))))."$/",$topic) ){
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if(is_callable($top['function'])){
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call_user_func($top['function'],$topic,$msg);
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$found = 1;
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}
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}
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}
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if($this->debug && !$found) echo "msg recieved but no match in subscriptions\n";
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}
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/* proc: the processing loop for an "allways on" client
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set true when you are doing other stuff in the loop good for watching something else at the same time */
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function proc( $loop = true){
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if(1){
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$sockets = array($this->socket);
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$w = $e = NULL;
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$cmd = 0;
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//$byte = fgetc($this->socket);
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if(feof($this->socket)){
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if($this->debug) echo "eof receive going to reconnect for good measure\n";
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fclose($this->socket);
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$this->connect_auto(false);
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if(count($this->topics))
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$this->subscribe($this->topics);
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}
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$byte = $this->read(1, true);
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if(!strlen($byte)){
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if($loop){
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usleep(100000);
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}
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}else{
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$cmd = (int)(ord($byte)/16);
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if($this->debug) echo "Recevid: $cmd\n";
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$multiplier = 1;
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$value = 0;
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do{
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$digit = ord($this->read(1));
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$value += ($digit & 127) * $multiplier;
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$multiplier *= 128;
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}while (($digit & 128) != 0);
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if($this->debug) echo "Fetching: $value\n";
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if($value)
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$string = $this->read($value);
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if($cmd){
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switch($cmd){
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case 3:
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$this->message($string);
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break;
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}
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$this->timesinceping = time();
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}
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}
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if($this->timesinceping < (time() - $this->keepalive )){
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if($this->debug) echo "not found something so ping\n";
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$this->ping();
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}
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if($this->timesinceping<(time()-($this->keepalive*2))){
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if($this->debug) echo "not seen a package in a while, disconnecting\n";
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fclose($this->socket);
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$this->connect_auto(false);
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if(count($this->topics))
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$this->subscribe($this->topics);
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}
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}
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return 1;
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}
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/* getmsglength: */
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function getmsglength(&$msg, &$i){
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$multiplier = 1;
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$value = 0 ;
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do{
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$digit = ord($msg{$i});
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$value += ($digit & 127) * $multiplier;
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$multiplier *= 128;
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$i++;
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}while (($digit & 128) != 0);
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return $value;
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}
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/* setmsglength: */
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function setmsglength($len){
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$string = "";
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do{
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$digit = $len % 128;
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$len = $len >> 7;
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// if there are more digits to encode, set the top bit of this digit
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if ( $len > 0 )
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$digit = ($digit | 0x80);
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$string .= chr($digit);
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}while ( $len > 0 );
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return $string;
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}
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/* strwritestring: writes a string to a buffer */
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function strwritestring($str, &$i){
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$ret = " ";
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$len = strlen($str);
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$msb = $len >> 8;
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$lsb = $len % 256;
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$ret = chr($msb);
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$ret .= chr($lsb);
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$ret .= $str;
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$i += ($len+2);
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return $ret;
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}
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function printstr($string){
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$strlen = strlen($string);
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for($j=0;$j<$strlen;$j++){
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$num = ord($string{$j});
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if($num > 31)
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$chr = $string{$j}; else $chr = " ";
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printf("%4d: %08b : 0x%02x : %s \n",$j,$num,$num,$chr);
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}
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}
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}
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|
|
@ -0,0 +1,28 @@
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<?php
|
||||
/**
|
||||
* Created by PhpStorm.
|
||||
* User: salman
|
||||
* Date: 2/22/19
|
||||
* Time: 1:34 PM
|
||||
*/
|
||||
|
||||
namespace Salman\Mqtt;
|
||||
|
||||
use Illuminate\Support\ServiceProvider;
|
||||
|
||||
class MqttServiceProvider extends ServiceProvider
|
||||
{
|
||||
|
||||
public function boot()
|
||||
{
|
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$this->mergeConfigFrom(__DIR__.'/config/mqtt.php','mqtt');
|
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$this->publishes([
|
||||
__DIR__.'/config/mqtt.php' => config_path('mqtt.php'),
|
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]);
|
||||
}
|
||||
|
||||
public function register()
|
||||
{
|
||||
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
{
|
||||
"name": "salmanzafar/mqtt_laravel",
|
||||
"description": "Mqtt client library for Laravel",
|
||||
"type": "library",
|
||||
"license": "MIT",
|
||||
"authors": [
|
||||
{
|
||||
"name": "Salman Zafar",
|
||||
"email": "salmanzafar949@gmail.com"
|
||||
}
|
||||
],
|
||||
"minimum-stability": "dev"
|
||||
}
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
<?php
|
||||
/**
|
||||
* Created by PhpStorm.
|
||||
* User: salman
|
||||
* Date: 2/22/19
|
||||
* Time: 1:29 PM
|
||||
*/
|
||||
|
||||
return [
|
||||
|
||||
'host' => env('mqtt_host','127.0.0.1'),
|
||||
'password' => env('mqtt_password',''),
|
||||
'username' => env('mqtt_username',''),
|
||||
'certfile' => env('mqtt_cert_file',''),
|
||||
'port' => env('mqtt_port','1883'),
|
||||
'debug' => env('mqtt_debug',false)
|
||||
];
|
||||
Loading…
Reference in New Issue