初始化

src/websocket/socketio/EnginePacket.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace think\worker\websocket\socketio;
+
+class EnginePacket
+{
+    /**
+     * Engine.io packet type `open`.
+     */
+    const OPEN = 0;
+
+    /**
+     * Engine.io packet type `close`.
+     */
+    const CLOSE = 1;
+
+    /**
+     * Engine.io packet type `ping`.
+     */
+    const PING = 2;
+
+    /**
+     * Engine.io packet type `pong`.
+     */
+    const PONG = 3;
+
+    /**
+     * Engine.io packet type `message`.
+     */
+    const MESSAGE = 4;
+
+    /**
+     * Engine.io packet type 'upgrade'
+     */
+    const UPGRADE = 5;
+
+    /**
+     * Engine.io packet type `noop`.
+     */
+    const NOOP = 6;
+
+    public $type;
+
+    public $data = '';
+
+    public function __construct($type, $data = '')
+    {
+        $this->type = $type;
+        $this->data = $data;
+    }
+
+    public static function open($payload)
+    {
+        return new self(self::OPEN, $payload);
+    }
+
+    public static function pong($payload = '')
+    {
+        return new self(self::PONG, $payload);
+    }
+
+    public static function ping()
+    {
+        return new self(self::PING);
+    }
+
+    public static function message($payload)
+    {
+        return new self(self::MESSAGE, $payload);
+    }
+
+    public static function fromString(string $packet)
+    {
+        return new self(substr($packet, 0, 1), substr($packet, 1) ?: '');
+    }
+
+    public function toString()
+    {
+        return $this->type . $this->data;
+    }
+}