feat: 添加会议功能

app/Module/AgoraIO/Message.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * @Description :
+ *
+ * @Date        : 2019-03-14 13:27
+ * @Author      : hmy940118@gmail.com
+ */
+
+namespace App\Module\AgoraIO;
+
+class Message
+{
+    public $salt;
+
+    public $ts;
+
+    public $privileges;
+
+    /**
+     * Message constructor.
+     * @throws \Exception
+     */
+    public function __construct()
+    {
+        $this->salt = rand(0, 100000);
+        $date = new \DateTime("now", new \DateTimeZone('UTC'));
+        $this->ts = $date->getTimestamp() + 168 * 3600; // 7天时间
+        $this->privileges = array();
+    }
+
+    /**
+     * @return array
+     */
+    public function packContent()
+    {
+        $buffer = unpack("C*", pack("V", $this->salt));
+        $buffer = array_merge($buffer, unpack("C*", pack("V", $this->ts)));
+        $buffer = array_merge($buffer, unpack("C*", pack("v", sizeof($this->privileges))));
+        foreach ($this->privileges as $key => $value) {
+            $buffer = array_merge($buffer, unpack("C*", pack("v", $key)));
+            $buffer = array_merge($buffer, unpack("C*", pack("V", $value)));
+        }
+        return $buffer;
+    }
+
+    /**
+     * @param $msg
+     */
+    public function unpackContent($msg)
+    {
+        $pos = 0;
+        $salt = unpack("V", substr($msg, $pos, 4))[1];
+        $pos += 4;
+        $ts = unpack("V", substr($msg, $pos, 4))[1];
+        $pos += 4;
+        $size = unpack("v", substr($msg, $pos, 2))[1];
+        $pos += 2;
+        $privileges = array();
+        for ($i = 0; $i < $size; $i++) {
+            $key = unpack("v", substr($msg, $pos, 2));
+            $pos += 2;
+            $value = unpack("V", substr($msg, $pos, 4));
+            $pos += 4;
+            $privileges[$key[1]] = $value[1];
+        }
+        $this->salt = $salt;
+        $this->ts = $ts;
+        $this->privileges = $privileges;
+    }
+}