PHP code example of hhxsv5 / laravel-s

1. Go to this page and download the library: Download hhxsv5/laravel-s library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

hhxsv5 / laravel-s example snippets


    'providers' => [
        //...
        Hhxsv5\LaravelS\Illuminate\LaravelSServiceProvider::class,
    ],
    

    $app->register(Hhxsv5\LaravelS\Illuminate\LaravelSServiceProvider::class);
    

namespace App\Services;
use Hhxsv5\LaravelS\Swoole\WebSocketHandlerInterface;
use Swoole\Http\Request;
use Swoole\Http\Response;
use Swoole\WebSocket\Frame;
use Swoole\WebSocket\Server;
/**
 * @see https://www.swoole.co.uk/docs/modules/swoole-websocket-server
 */
class WebSocketService implements WebSocketHandlerInterface
{
    // Declare constructor without parameters
    public function __construct()
    {
    }
    // public function onHandShake(Request $request, Response $response)
    // {
           // Custom handshake: https://www.swoole.co.uk/docs/modules/swoole-websocket-server-on-handshake
           // The onOpen event will be triggered automatically after a successful handshake
    // }
    public function onOpen(Server $server, Request $request)
    {
        // Before the onOpen event is triggered, the HTTP request to establish the WebSocket has passed the Laravel route,
        // so Laravel's Request, Auth information are readable, Session is readable and writable, but only in the onOpen event.
        // \Log::info('New WebSocket connection', [$request->fd, request()->all(), session()->getId(), session('xxx'), session(['yyy' => time()])]);
        // The exceptions thrown here will be caught by the upper layer and recorded in the Swoole log. Developers need to try/catch manually.
        $server->push($request->fd, 'Welcome to LaravelS');
    }
    public function onMessage(Server $server, Frame $frame)
    {
        // \Log::info('Received message', [$frame->fd, $frame->data, $frame->opcode, $frame->finish]);
        // The exceptions thrown here will be caught by the upper layer and recorded in the Swoole log. Developers need to try/catch manually.
        $server->push($frame->fd, date('Y-m-d H:i:s'));
    }
    public function onClose(Server $server, $fd, $reactorId)
    {
        // The exceptions thrown here will be caught by the upper layer and recorded in the Swoole log. Developers need to try/catch manually.
    }
}

// ...
'websocket'      => [
    'enable'  => true, // Note: set enable to true
    'handler' => \App\Services\WebSocketService::class,
],
'swoole'         => [
    //...
    // Must set dispatch_mode in (2, 4, 5), see https://www.swoole.co.uk/docs/modules/swoole-server/configuration
    'dispatch_mode' => 2,
    //...
],
// ...

    // config/laravels.php
    'swoole' => [
        //...
        // All connections are traversed every 60 seconds. If a connection does not send any data to the server within 600 seconds, the connection will be forced to close.
        'heartbeat_idle_time'      => 600,
        'heartbeat_check_interval' => 60,
        //...
    ],
    

namespace App\Http\Controllers;
class TestController extends Controller
{
    public function push()
    {
        $fd = 1; // Find fd by userId from a map [userId=>fd].
        /**@var \Swoole\WebSocket\Server $swoole */
        $swoole = app('swoole');
        $success = $swoole->push($fd, 'Push data to fd#1 in Controller');
        var_dump($success);
    }
}

    // Edit file `app/Providers/EventServiceProvider.php`, add the following code into method `boot`
    // If no variable $events, you can also call Facade \Event::listen(). 
    $events->listen('laravels.received_request', function (\Illuminate\Http\Request $req, $app) {
        $req->query->set('get_key', 'hhxsv5');// Change query of request
        $req->request->set('post_key', 'hhxsv5'); // Change post of request
    });
    

    // Edit file `app/Providers/EventServiceProvider.php`, add the following code into method `boot`
    // If no variable $events, you can also call Facade \Event::listen(). 
    $events->listen('laravels.generated_response', function (\Illuminate\Http\Request $req, \Symfony\Component\HttpFoundation\Response $rsp, $app) {
        $rsp->headers->set('header-key', 'hhxsv5');// Change header of response
    });
    

use Hhxsv5\LaravelS\Swoole\Task\Event;
class TestEvent extends Event
{
    protected $listeners = [
        // Listener list
        TestListener1::class,
        // TestListener2::class,
    ];
    private $data;
    public function __construct($data)
    {
        $this->data = $data;
    }
    public function getData()
    {
        return $this->data;
    }
}

use Hhxsv5\LaravelS\Swoole\Task\Event;
use Hhxsv5\LaravelS\Swoole\Task\Task;
use Hhxsv5\LaravelS\Swoole\Task\Listener;
class TestListener1 extends Listener
{
    public function handle(Event $event)
    {
        \Log::info(__CLASS__ . ':handle start', [$event->getData()]);
        sleep(2);// Simulate the slow codes
        // Deliver task in CronJob, but NOT support callback finish() of task.
        // Note: Modify task_ipc_mode to 1 or 2 in config/laravels.php, see https://www.swoole.co.uk/docs/modules/swoole-server/configuration
        $ret = Task::deliver(new TestTask('task data'));
        var_dump($ret);
        // The exceptions thrown here will be caught by the upper layer and recorded in the Swoole log. Developers need to try/catch manually.
        // return false; // Stop propagating this event to subsequent listeners
    }
}

// Create instance of event and fire it, "fire" is asynchronous.
use Hhxsv5\LaravelS\Swoole\Task\Event;
$event = new TestEvent('event data');
// $event->delay(10); // Delay 10 seconds to fire event
// $event->setTries(3); // When an error occurs, try 3 times in total
$success = Event::fire($event);
var_dump($success);// Return true if sucess, otherwise false

use Hhxsv5\LaravelS\Swoole\Task\Task;
class TestTask extends Task
{
    private $data;
    private $result;
    public function __construct($data)
    {
        $this->data = $data;
    }
    // The logic of task handling, run in task process, CAN NOT deliver task
    public function handle()
    {
        \Log::info(__CLASS__ . ':handle start', [$this->data]);
        sleep(2);// Simulate the slow codes
        // The exceptions thrown here will be caught by the upper layer and recorded in the Swoole log. Developers need to try/catch manually.
        $this->result = 'the result of ' . $this->data;
    }
    // Optional, finish event, the logic of after task handling, run in worker process, CAN deliver task 
    public function finish()
    {
        \Log::info(__CLASS__ . ':finish start', [$this->result]);
        Task::deliver(new TestTask2('task2 data')); // Deliver the other task
    }
}

// Create instance of TestTask and deliver it, "deliver" is asynchronous.
use Hhxsv5\LaravelS\Swoole\Task\Task;
$task = new TestTask('task data');
// $task->delay(3);// delay 3 seconds to deliver task
// $task->setTries(3); // When an error occurs, try 3 times in total
$ret = Task::deliver($task);
var_dump($ret);// Return true if sucess, otherwise false

namespace App\Jobs\Timer;
use App\Tasks\TestTask;
use Swoole\Coroutine;
use Hhxsv5\LaravelS\Swoole\Task\Task;
use Hhxsv5\LaravelS\Swoole\Timer\CronJob;
class TestCronJob extends CronJob
{
    protected $i = 0;
    // !!! The `interval` and `isImmediate` of cron job can be configured in two ways(pick one of two): one is to overload the corresponding method, and the other is to pass parameters when registering cron job.
    // --- Override the corresponding method to return the configuration: begin
    public function interval()
    {
        return 1000;// Run every 1000ms
    }
    public function isImmediate()
    {
        return false;// Whether to trigger `run` immediately after setting up
    }
    // --- Override the corresponding method to return the configuration: end
    public function run()
    {
        \Log::info(__METHOD__, ['start', $this->i, microtime(true)]);
        // do something
        // sleep(1); // Swoole < 2.1
        Coroutine::sleep(1); // Swoole>=2.1 Coroutine will be automatically created for run().
        $this->i++;
        \Log::info(__METHOD__, ['end', $this->i, microtime(true)]);

        if ($this->i >= 10) { // Run 10 times only
            \Log::info(__METHOD__, ['stop', $this->i, microtime(true)]);
            $this->stop(); // Stop this cron job, but it will run again after restart/reload.
            // Deliver task in CronJob, but NOT support callback finish() of task.
            // Note: Modify task_ipc_mode to 1 or 2 in config/laravels.php, see https://www.swoole.co.uk/docs/modules/swoole-server/configuration
            $ret = Task::deliver(new TestTask('task data'));
            var_dump($ret);
        }
        // The exceptions thrown here will be caught by the upper layer and recorded in the Swoole log. Developers need to try/catch manually.
    }
}

// Register cron jobs in file "config/laravels.php"
[
    // ...
    'timer'          => [
        'enable' => true, // Enable Timer
        'jobs'   => [ // The list of cron job
            // Enable LaravelScheduleJob to run `php artisan schedule:run` every 1 minute, replace Linux Crontab
            // \Hhxsv5\LaravelS\Illuminate\LaravelScheduleJob::class,
            // Two ways to configure parameters:
            // [\App\Jobs\Timer\TestCronJob::class, [1000, true]], // Pass in parameters when registering
            \App\Jobs\Timer\TestCronJob::class, // Override the corresponding method to return the configuration
        ],
        'max_wait_time' => 5, // Max waiting time of reloading
        // Enable the global lock to ensure that only one instance starts the timer when deploying multiple instances. This feature depends on Redis, please see https://laravel.com/docs/7.x/redis
        'global_lock'     => false,
        'global_lock_key' => config('app.name', 'Laravel'),
    ],
    // ...
];

// app/Console/Kernel.php
protected function schedule(Schedule $schedule)
{
    // runInBackground() will start a new child process to execute the task. This is asynchronous and will not affect the execution timing of other tasks.
    $schedule->command(TestCommand::class)->runInBackground()->everyMinute();
}

/**
 * $swoole is the instance of `Swoole\WebSocket\Server` if enable WebSocket server, otherwise `Swoole\Http\Server`
 * @var \Swoole\WebSocket\Server|\Swoole\Http\Server $swoole
 */
$swoole = app('swoole');
var_dump($swoole->stats());
$swoole->push($fd, 'Push WebSocket message');

// in file "config/laravels.php"
[
    // ...
    'swoole_tables'  => [
        // Scene:bind UserId & FD in WebSocket
        'ws' => [// The Key is table name, will add suffix "Table" to avoid naming conflicts. Here defined a table named "wsTable"
            'size'   => 102400,// The max size
            'column' => [// Define the columns
                ['name' => 'value', 'type' => \Swoole\Table::TYPE_INT, 'size' => 8],
            ],
        ],
        //...Define the other tables
    ],
    // ...
];

namespace App\Services;
use Hhxsv5\LaravelS\Swoole\WebSocketHandlerInterface;
use Swoole\Http\Request;
use Swoole\WebSocket\Frame;
use Swoole\WebSocket\Server;
class WebSocketService implements WebSocketHandlerInterface
{
    /**@var \Swoole\Table $wsTable */
    private $wsTable;
    public function __construct()
    {
        $this->wsTable = app('swoole')->wsTable;
    }
    // Scene:bind UserId & FD in WebSocket
    public function onOpen(Server $server, Request $request)
    {
        // var_dump(app('swoole') === $server);// The same instance
        /**
         * Get the currently logged in user
         * This feature ver->disconnect($request->fd);
        //     return;
        // }
        $this->wsTable->set('uid:' . $userId, ['value' => $request->fd]);// Bind map uid to fd
        $this->wsTable->set('fd:' . $request->fd, ['value' => $userId]);// Bind map fd to uid
        $server->push($request->fd, "Welcome to LaravelS #{$request->fd}");
    }
    public function onMessage(Server $server, Frame $frame)
    {
        // Broadcast
        foreach ($this->wsTable as $key => $row) {
            if (strpos($key, 'uid:') === 0 && $server->isEstablished($row['value'])) {
                $content = sprintf('Broadcast: new message "%s" from #%d', $frame->data, $frame->fd);
                $server->push($row['value'], $content);
            }
        }
    }
    public function onClose(Server $server, $fd, $reactorId)
    {
        $uid = $this->wsTable->get('fd:' . $fd);
        if ($uid !== false) {
            $this->wsTable->del('uid:' . $uid['value']); // Unbind uid map
        }
        $this->wsTable->del('fd:' . $fd);// Unbind fd map
        $server->push($fd, "Goodbye #{$fd}");
    }
}

    namespace App\Sockets;
    use Hhxsv5\LaravelS\Swoole\Socket\TcpSocket;
    use Swoole\Server;
    class TestTcpSocket extends TcpSocket
    {
        public function onConnect(Server $server, $fd, $reactorId)
        {
            \Log::info('New TCP connection', [$fd]);
            $server->send($fd, 'Welcome to LaravelS.');
        }
        public function onReceive(Server $server, $fd, $reactorId, $data)
        {
            \Log::info('Received data', [$fd, $data]);
            $server->send($fd, 'LaravelS: ' . $data);
            if ($data === "quit\r\n") {
                $server->send($fd, 'LaravelS: bye' . PHP_EOL);
                $server->close($fd);
            }
        }
        public function onClose(Server $server, $fd, $reactorId)
        {
            \Log::info('Close TCP connection', [$fd]);
            $server->send($fd, 'Goodbye');
        }
    }
    

    public function onReceive(Server $server, $fd, $reactorId, $data)
    {
        $port = $this->swoolePort; // Get the `Swoole\Server\Port` object
    }
    

    namespace App\Http\Controllers;
    class TestController extends Controller
    {
        public function test()
        {
            /**@var \Swoole\Http\Server|\Swoole\WebSocket\Server $swoole */
            $swoole = app('swoole');
            // $swoole->ports: Traverse all Port objects, https://www.swoole.co.uk/docs/modules/swoole-server/multiple-ports
            $port = $swoole->ports[0]; // Get the `Swoole\Server\Port` object, $port[0] is the port of the main server
            foreach ($port->connections as $fd) { // Traverse all connections
                // $swoole->send($fd, 'Send tcp message');
                // if($swoole->isEstablished($fd)) {
                //     $swoole->push($fd, 'Send websocket message');
                // }
            }
        }
    }
    

    // Edit `config/laravels.php`
    //...
    'sockets' => [
        [
            'host'     => '127.0.0.1',
            'port'     => 5291,
            'type'     => SWOOLE_SOCK_TCP,// Socket type: SWOOLE_SOCK_TCP/SWOOLE_SOCK_TCP6/SWOOLE_SOCK_UDP/SWOOLE_SOCK_UDP6/SWOOLE_UNIX_DGRAM/SWOOLE_UNIX_STREAM
            'settings' => [// Swoole settings:https://www.swoole.co.uk/docs/modules/swoole-server-methods#swoole_server-addlistener
                'open_eof_check' => true,
                'package_eof'    => "\r\n",
            ],
            'handler'  => \App\Sockets\TestTcpSocket::class,
            'enable'   => true, // whether to enable, default true
        ],
    ],
    

    'swoole' => [
        //...
        'dispatch_mode' => 2,
        //...
    ];
    

    'sockets' => [
        [
            'host'     => '0.0.0.0',
            'port'     => 5292,
            'type'     => SWOOLE_SOCK_UDP,
            'settings' => [
                'open_eof_check' => true,
                'package_eof'    => "\r\n",
            ],
            'handler'  => \App\Sockets\TestUdpSocket::class,
        ],
    ],
    

    'sockets' => [
        [
            'host'     => '0.0.0.0',
            'port'     => 5293,
            'type'     => SWOOLE_SOCK_TCP,
            'settings' => [
                'open_http_protocol' => true,
            ],
            'handler'  => \App\Sockets\TestHttp::class,
        ],
    ],
    

    'sockets' => [
        [
            'host'     => '0.0.0.0',
            'port'     => 5294,
            'type'     => SWOOLE_SOCK_TCP,
            'settings' => [
                'open_http_protocol'      => true,
                'open_websocket_protocol' => true,
            ],
            'handler'  => \App\Sockets\TestWebSocket::class,
        ],
    ],
    

    namespace App\Processes;
    use App\Tasks\TestTask;
    use Hhxsv5\LaravelS\Swoole\Process\CustomProcessInterface;
    use Hhxsv5\LaravelS\Swoole\Task\Task;
    use Swoole\Coroutine;
    use Swoole\Http\Server;
    use Swoole\Process;
    class TestProcess implements CustomProcessInterface
    {
        /**
         * @var bool Quit tag for Reload updates
         */
        private static $quit = false;

        public static function callback(Server $swoole, Process $process)
        {
            // The callback method cannot exit. Once exited, Manager process will automatically create the process 
            while (!self::$quit) {
                \Log::info('Test process: running');
                // sleep(1); // Swoole < 2.1
                Coroutine::sleep(1); // Swoole>=2.1: Coroutine & Runtime will be automatically enabled for callback(). Pay attention to the compatibility between the components used and the coroutines. If they are not compatible, only some coroutines can be enabled, such as: \Swoole\Runtime::enableCoroutine(SWOOLE_HOOK_TCP | SWOOLE_HOOK_SLEEP | SWOOLE_HOOK_FILE);
                 // Deliver task in custom process, but NOT support callback finish() of task.
                // Note: Modify task_ipc_mode to 1 or 2 in config/laravels.php, see https://www.swoole.co.uk/docs/modules/swoole-server/configuration
                $ret = Task::deliver(new TestTask('task data'));
                var_dump($ret);
                // The upper layer will catch the exception thrown in the callback and record it in the Swoole log, and then this process will exit. The Manager process will re-create the process after 3 seconds, so developers need to try/catch to catch the exception by themselves to avoid frequent process creation.
                // throw new \Exception('an exception');
            }
        }
        // Requirements: LaravelS >= v3.4.0 & callback() must be async non-blocking program.
        public static function onReload(Server $swoole, Process $process)
        {
            // Stop the process...
            // Then end process
            \Log::info('Test process: reloading');
            self::$quit = true;
            // $process->exit(0); // Force exit process
        }
        // Requirements: LaravelS >= v3.7.4 & callback() must be async non-blocking program.
        public static function onStop(Server $swoole, Process $process)
        {
            // Stop the process...
            // Then end process
            \Log::info('Test process: stopping');
            self::$quit = true;
            // $process->exit(0); // Force exit process
        }
    }
    

    // Edit `config/laravels.php`
    // ...
    'processes' => [
        'test' => [ // Key name is process name
            'class'    => \App\Processes\TestProcess::class,
            'redirect' => false, // Whether redirect stdin/stdout, true or false
            'pipe'     => 0,     // The type of pipeline, 0: no pipeline 1: SOCK_STREAM 2: SOCK_DGRAM
            'enable'   => true,  // Whether to enable, default true
            //'num'    => 3   // To create multiple processes of this class, default is 1
            //'queue'    => [ // Enable message queue as inter-process communication, configure empty array means use default parameters
            //    'msg_key'  => 0,    // The key of the message queue. Default: ftok(__FILE__, 1).
            //    'mode'     => 2,    // Communication mode, default is 2, which means contention mode
            //    'capacity' => 8192, // The length of a single message, is limited by the operating system kernel parameters. The default is 8192, and the maximum is 65536
            //],
            //'restart_interval' => 5, // After the process exits abnormally, how many seconds to wait before restarting the process, default 5 seconds
        ],
    ],
    

    // config/laravels.php
    'processes' => [
        'test' => [
            'class'    => \App\Processes\TestProcess::class,
            'redirect' => false,
            'pipe'     => 1,
        ],
    ],
    

    // app/Processes/TestProcess.php
    public static function callback(Server $swoole, Process $process)
    {
        while ($data = $process->read()) {
            \Log::info('TestProcess: read data', [$data]);
            $process->write('TestProcess: ' . $data);
        }
    }
    

    // app/Http/Controllers/TestController.php
    public function testProcessWrite()
    {
        /**@var \Swoole\Process $process */
        $process = app('swoole')->customProcesses['test'];
        $process->write('TestController: write data' . time());
        var_dump($process->read());
    }
    

    // Edit `config/laravels.php`
    'processes' => Hhxsv5\LaravelS\Components\Apollo\Process::getDefinition(),
    

    // When there are other custom process configurations
    'processes' => [
        'test' => [
            'class'    => \App\Processes\TestProcess::class,
            'redirect' => false,
            'pipe'     => 1,
        ],
        // ...
    ] + Hhxsv5\LaravelS\Components\Apollo\Process::getDefinition(),
    

    'processes' => Hhxsv5\LaravelS\Components\Prometheus\CollectorProcess::getDefinition(),
    

    use Hhxsv5\LaravelS\Components\Prometheus\Exporter;

    Route::get('/actuator/prometheus', function () {
        $result = app(Exporter::class)->render();
        return response($result, 200, ['Content-Type' => Exporter::REDNER_MIME_TYPE]);
    });
    

namespace App\Events;
use Hhxsv5\LaravelS\Swoole\Events\ServerStartInterface;
use Swoole\Atomic;
use Swoole\Http\Server;
class ServerStartEvent implements ServerStartInterface
{
    public function __construct()
    {
    }
    public function handle(Server $server)
    {
        // Initialize a global counter (available across processes)
        $server->atomicCount = new Atomic(2233);

        // Invoked in controller: app('swoole')->atomicCount->get();
    }
}

namespace App\Events;
use Hhxsv5\LaravelS\Swoole\Events\WorkerStartInterface;
use Swoole\Http\Server;
class WorkerStartEvent implements WorkerStartInterface
{
    public function __construct()
    {
    }
    public function handle(Server $server, $workerId)
    {
        // Initialize a database connection pool
        // DatabaseConnectionPool::init();
    }
}

// Edit `config/laravels.php`
'event_handlers' => [
    'ServerStart' => [\App\Events\ServerStartEvent::class], // Trigger events in array order
    'WorkerStart' => [\App\Events\WorkerStartEvent::class],
],

$app->useStoragePath(env('APP_STORAGE_PATH', '/tmp/storage'));

public function form(\Illuminate\Http\Request $request)
{
    $name = $request->input('name');
    $all = $request->all();
    $sessionId = $request->cookie('sessionId');
    $photo = $request->file('photo');
    // Call getContent() to get the raw POST body, instead of file_get_contents('php://input')
    $rawContent = $request->getContent();
    //...
}

public function json()
{
    return response()->json(['time' => time()])->header('header1', 'value1')->withCookie('c1', 'v1');
}

// config/database.php
'connections' => [
    'my_conn' => [
        'driver'    => 'mysql',
        'host'      => env('DB_MY_CONN_HOST', 'localhost'),
        'port'      => env('DB_MY_CONN_PORT', 3306),
        'database'  => env('DB_MY_CONN_DATABASE', 'forge'),
        'username'  => env('DB_MY_CONN_USERNAME', 'forge'),
        'password'  => env('DB_MY_CONN_PASSWORD', ''),
        'charset'   => 'utf8mb4',
        'collation' => 'utf8mb4_unicode_ci',
        'prefix'    => '',
        'strict'    => false,
        'options'   => [
            // Enable persistent connection
            \PDO::ATTR_PERSISTENT => true,
        ],
    ],
],

// config/database.php
'redis' => [
    'client' => env('REDIS_CLIENT', 'phpredis'), // It is recommended to use phpredis for better performance.
    'default' => [
        'host'       => env('REDIS_HOST', 'localhost'),
        'password'   => env('REDIS_PASSWORD', null),
        'port'       => env('REDIS_PORT', 6379),
        'database'   => 0,
        'persistent' => true, // Enable persistent connection
    ],
],

    class Test
    {
        public static $array = [];
        public static $string = '';
    }

    // Controller
    public function test(Request $req)
    {
        // Out of Memory
        Test::$array[] = $req->input('param1');
        Test::$string .= $req->input('param2');
    }
    

    Route::get('/debug-memory-leak', function () {
        global $previous;
        $current = memory_get_usage();
        $stats = [
            'prev_mem' => $previous,
            'curr_mem' => $current,
            'diff_mem' => $current - $previous,
        ];
        $previous = $current;
        return $stats;
    });