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Edit File : WebSocketServerService.php \| Size : 7.97 KB
<?php namespace App\Services; use App\Exceptions\WebsocketCloseException; use App\Models\NotificationLog; use Exception; use Ratchet\ConnectionInterface; use Ratchet\MessageComponentInterface; use SplObjectStorage; class WebSocketServerService implements MessageComponentInterface { const PING_TEXT = 'alive'; private $clients; private $appSubscribers; /** * WebSocketServerService constructor. / public function __construct() { $this->clients = new SplObjectStorage(); $appSubscribers = []; $this->appSubscribers = $appSubscribers; dump('WebSocket Started'); } public function onOpen(ConnectionInterface $conn): void { $this->clients->attach($conn); $parameters = []; if (($conn->httpRequest && $headers = $conn->httpRequest->getHeaders()) && isset($headers['Origin'])) { $parameters[] = $headers['Origin']; } dump('New connection! ('.$conn->resourceId.')'); } public function onClose(ConnectionInterface $conn): void { $this->clients->detach($conn); dump('Closed connection! ('.$conn->resourceId.')'); } public function onError(ConnectionInterface $conn, Exception $e): void { dump('ERROR! ('.$conn->resourceId.') Message: '.$e->getMessage()); } public function onMessage(ConnectionInterface $from, $msg): void { if (!$this->clients->offsetExists($from)) { dump('ERROR! ('.$from->resourceId.') Received message from non-existent client! (Message: '.addslashes($msg).')'); return; } $jsonData = json_decode($msg, true); dump($jsonData); if (null === $jsonData) { dump('Message data received is invalid'); return; } if ($this->validateMessage($jsonData)) { $resultString = $this->interpretMessage($from, $jsonData); if (!is_bool($resultString)) { // send back as message $from->send($resultString); } } else { $from->send('error'); } } private function validateMessage(array $jsonData): bool { if (isset($jsonData['user_id'])) { return true; } if (isset($jsonData['notification_log_id'])) { return true; } return false; } private function interpretMessage(ConnectionInterface $from, array $jsonData = null) { if (null === $jsonData) { return false; } if (isset($jsonData['action'])) { return $this->handleActionCommand($from, $jsonData['action']); } if (isset($jsonData['notification_log_id'])) { $this->handleNotificationUpdate($from, $jsonData['notification_log_id'], $jsonData['notification_user_id']); return true; } if (isset($jsonData['user_id'])) { $this->handleAppSubscriber($from, $jsonData['user_id']); return true; } return false; } private function handleNotificationUpdate(ConnectionInterface $from, int $id, $notificationUserId): void { // this is the announcer, send back 1 ok and it will automatically close connection $from->send(1); $notification = NotificationLog::findOrFail($id); if (null === $notification) { dump('ERROR! Notification Log #'.$id.' NOT FOUND!'); return; } if (null === $notification->responsible) { dump('ERROR! Notification Log #'.$id.' has no responsible user!'); return; } $translationType = $notification->for_auth_user ? null : 'public'; $notificationData = [ 'id' => $notification->id, 'name' => $notification->getNotificationName($translationType), 'avatar' => $notification->avatar, 'seen' => $notification->seen, 'objective_slug' => $notification->objective_slug, 'key_result_id' => $notification->key_result_id, 'frontend_type' => $notification->frontend_type, 'need_link' => $notification->need_link, 'created_at' => $notification->created_at, 'for_activity' => $notification->for_all, 'for_personal' => $notification->for_auth_user ]; if (isset($this->appSubscribers[$notificationUserId])) { // send to subscriber $subscriber = $this->appSubscribers[$notificationUserId]; dump('Sending notification log to '.$subscriber->resourceId.' (UserID: '.$notificationUserId.') now'); $subscriber->send(json_encode($notificationData)); } } /* * Interpret action commands that the websocket should take (like stop) * * @param ConnectionInterface $from * * @param string $action * * @return string * * @throws WebsocketCloseException / public function handleActionCommand(ConnectionInterface $from, string $action): string { $returnString = ''; WebsocketLog::create([ 'action' => 'Command received ('.$from->resourceId.')', 'parameters'=> json_encode([ 'action' => $action, ]), ]); switch ($action) { case 'stop': // stop the websocket service throw new WebsocketCloseException('Stopped by request'); break; case 'ping': $returnString = self::PING_TEXT; break; case 'memory': $returnString = date('Y-m-d H:i:s').PHP_EOL; $returnString .= 'Memory Limit = '.ini_get('memory_limit').PHP_EOL; $returnString .= 'Memory get usage (false) = '.$this->memoryFormatter(memory_get_usage(false)).PHP_EOL; $returnString .= 'Memory get usage (true) = '.$this->memoryFormatter(memory_get_usage(true)).PHP_EOL; $returnString .= 'Memory get REAL usage (false) = '.$this->memoryFormatter(memory_get_peak_usage (false)).PHP_EOL; $returnString .= 'Memory get REAL usage (true) = '.$this->memoryFormatter(memory_get_peak_usage (true)).PHP_EOL; break; case 'list': // list all subscribers $counter = 0; foreach ($this->appSubscribers as $userID => $subscriber) { $returnString .= $subscriber->resourceId; $returnString .= ' (UID #'.$userID.')'; $counter++; } $returnString .= 'Total clients subscribed: '.$counter.PHP_EOL; $returnString .= 'Total clients registered: '.$this->clients->count().PHP_EOL; echo $returnString; break; } return $returnString; } /* * Add the new connection to the appropriate list * * @param ConnectionInterface $conn * @param string $app * @param int $locationID * * @return void / private function handleAppSubscriber(ConnectionInterface $conn, int $userID): void { $this->appSubscribers[$userID] = $conn; } /* * Format the memory from bytes to different sizes * * @param int $sizeInBytes * * @return string */ private function memoryFormatter(int $sizeInBytes): string { $returnString = ''; $returnString .= $sizeInBytes . ' B'; if ($sizeInBytes > 1024) { $sizeInBytes /= 1024; $returnString .= ', ' . (int)$sizeInBytes . ' KB'; if ($sizeInBytes > 1024) { $sizeInBytes /= 1024; $returnString .= ', ' . (int)$sizeInBytes . ' MB'; } if ($sizeInBytes > 1024) { $sizeInBytes /= 1024; $returnString .= ', ' . (int)$sizeInBytes . ' GB'; } } return $returnString; } } Back

Edit File : WebSocketServerService.php | Size : 7.97 KB

<?php

namespace App\Services;

use App\Exceptions\WebsocketCloseException;
use App\Models\NotificationLog;
use Exception;
use Ratchet\ConnectionInterface;
use Ratchet\MessageComponentInterface;
use SplObjectStorage;

class WebSocketServerService implements MessageComponentInterface
{
    const PING_TEXT = 'alive';

private $clients;
    private $appSubscribers;

/**
     * WebSocketServerService constructor.
     */
    public function __construct()
    {
        $this->clients = new SplObjectStorage();
        $appSubscribers = [];
        $this->appSubscribers = $appSubscribers;

dump('WebSocket Started');
    }

public function onOpen(ConnectionInterface $conn): void
    {
        $this->clients->attach($conn);

$parameters = [];
        if (($conn->httpRequest && $headers = $conn->httpRequest->getHeaders()) && isset($headers['Origin'])) {
            $parameters[] = $headers['Origin'];
        }

dump('New connection! ('.$conn->resourceId.')');
    }

public function onClose(ConnectionInterface $conn): void
    {
        $this->clients->detach($conn);
        
        dump('Closed connection! ('.$conn->resourceId.')');
    }

public function onError(ConnectionInterface $conn, Exception $e): void
    {
        dump('ERROR! ('.$conn->resourceId.') Message: '.$e->getMessage());
    }

public function onMessage(ConnectionInterface $from, $msg): void
    {
        if (!$this->clients->offsetExists($from)) {
            dump('ERROR! ('.$from->resourceId.') Received message from non-existent client! (Message: '.addslashes($msg).')');
            return;
        }

$jsonData = json_decode($msg, true);
        dump($jsonData);

if (null === $jsonData) {
            dump('Message data received is invalid');
            return;
        }

if ($this->validateMessage($jsonData)) {
            $resultString = $this->interpretMessage($from, $jsonData);

if (!is_bool($resultString)) {
                // send back as message
                $from->send($resultString);
            }
        } else {
            $from->send('error');
        }
    }

private function validateMessage(array $jsonData): bool
    {
        if (isset($jsonData['user_id'])) {
            return true;
        }

if (isset($jsonData['notification_log_id'])) {
            return true;
        }

return false;
    }

private function interpretMessage(ConnectionInterface $from, array $jsonData = null)
    {
        if (null === $jsonData) {
            return false;
        }

if (isset($jsonData['action'])) {
            return $this->handleActionCommand($from, $jsonData['action']);
        }

if (isset($jsonData['notification_log_id'])) {
            $this->handleNotificationUpdate($from, $jsonData['notification_log_id'], $jsonData['notification_user_id']);
            return true;
        }

if (isset($jsonData['user_id'])) {
            $this->handleAppSubscriber($from, $jsonData['user_id']);
            return true;
        }

return false;
    }

private function handleNotificationUpdate(ConnectionInterface $from, int $id, $notificationUserId): void
    {
        // this is the announcer, send back 1 ok and it will automatically close connection
        $from->send(1);

$notification = NotificationLog::findOrFail($id);
        if (null === $notification) {
            dump('ERROR! Notification Log  #'.$id.' NOT FOUND!');
            return;
        }

if (null === $notification->responsible) {
            dump('ERROR! Notification Log #'.$id.' has no responsible user!');
            return;
        }

$translationType = $notification->for_auth_user ? null : 'public';
        $notificationData = [
            'id'            => $notification->id,
            'name'          => $notification->getNotificationName($translationType),
            'avatar'        => $notification->avatar,
            'seen'          => $notification->seen,
            'objective_slug' => $notification->objective_slug,
            'key_result_id' => $notification->key_result_id,
            'frontend_type' => $notification->frontend_type,
            'need_link'     => $notification->need_link,
            'created_at'    => $notification->created_at,
            'for_activity'  => $notification->for_all,
            'for_personal'  => $notification->for_auth_user
        ];

if (isset($this->appSubscribers[$notificationUserId])) {
            // send to subscriber
            $subscriber = $this->appSubscribers[$notificationUserId];
            dump('Sending notification log to '.$subscriber->resourceId.' (UserID: '.$notificationUserId.') now');
            $subscriber->send(json_encode($notificationData));
        }
    }

/**
     * Interpret action commands that the websocket should take (like stop)
     *
     * @param ConnectionInterface $from
     *
     * @param string $action
     *
     * @return string
     *
     * @throws WebsocketCloseException
     */
    public function handleActionCommand(ConnectionInterface $from, string $action): string
    {
        $returnString = '';

WebsocketLog::create([
            'action'    => 'Command received ('.$from->resourceId.')',
            'parameters'=> json_encode([
                'action'    => $action,
            ]),
        ]);

switch ($action) {
            case 'stop':
                // stop the websocket service
                throw new WebsocketCloseException('Stopped by request');
                break;

case 'ping':
                $returnString = self::PING_TEXT;
                break;

case 'memory':
                $returnString = date('Y-m-d H:i:s').PHP_EOL;
                $returnString .= 'Memory Limit = '.ini_get('memory_limit').PHP_EOL;
                $returnString .= 'Memory get usage (false) = '.$this->memoryFormatter(memory_get_usage(false)).PHP_EOL;
                $returnString .= 'Memory get usage (true) = '.$this->memoryFormatter(memory_get_usage(true)).PHP_EOL;
                $returnString .= 'Memory get REAL usage (false) = '.$this->memoryFormatter(memory_get_peak_usage (false)).PHP_EOL;
                $returnString .= 'Memory get REAL usage (true) = '.$this->memoryFormatter(memory_get_peak_usage (true)).PHP_EOL;
                break;

case 'list':
                // list all subscribers
                $counter = 0;
                foreach ($this->appSubscribers as $userID => $subscriber) {
                    $returnString .= $subscriber->resourceId;
                    $returnString .= ' (UID #'.$userID.')';
                    $counter++;
                }

$returnString .= 'Total clients subscribed: '.$counter.PHP_EOL;
                $returnString .= 'Total clients registered: '.$this->clients->count().PHP_EOL;

echo $returnString;
                break;
        }

return $returnString;
    }

/**
     * Add the new connection to the appropriate list
     *
     * @param ConnectionInterface $conn
     * @param string $app
     * @param int $locationID
     *
     * @return void
     */
    private function handleAppSubscriber(ConnectionInterface $conn, int $userID): void
    {
        $this->appSubscribers[$userID] = $conn;
    }

/**
     * Format the memory from bytes to different sizes
     *
     * @param int $sizeInBytes
     *
     * @return string
     */
    private function memoryFormatter(int $sizeInBytes): string
    {
        $returnString = '';

$returnString .= $sizeInBytes . ' B';

if ($sizeInBytes > 1024) {
            $sizeInBytes /= 1024;
            $returnString .= ', ' . (int)$sizeInBytes . ' KB';

if ($sizeInBytes > 1024) {
                $sizeInBytes /= 1024;
                $returnString .= ', ' . (int)$sizeInBytes . ' MB';
            }

if ($sizeInBytes > 1024) {
                $sizeInBytes /= 1024;
                $returnString .= ', ' . (int)$sizeInBytes . ' GB';
            }
        }

return $returnString;
    }

}

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