init

vendor/valga/fbns-react/src/Lite/OutgoingConnectFlow.php

@@ -0,0 +1,74 @@
+<?php
+
+/*
+ * This file is part of net-mqtt.
+ *
+ * Copyright (c) 2015 Sebastian Mößler code@binsoul.de
+ *
+ * This source file is subject to the MIT license.
+ */
+
+namespace Fbns\Client\Lite;
+
+use BinSoul\Net\Mqtt\Flow\AbstractFlow;
+use BinSoul\Net\Mqtt\Packet;
+use BinSoul\Net\Mqtt\Packet\ConnectResponsePacket;
+use Fbns\Client\Connection;
+
+/**
+ * Represents a flow starting with an outgoing CONNECT packet.
+ */
+class OutgoingConnectFlow extends AbstractFlow
+{
+    const PROTOCOL_LEVEL = 3;
+
+    const PROTOCOL_NAME = 'MQTToT';
+
+    const KEEPALIVE = 900;
+    const KEEPALIVE_TIMEOUT = 60;
+
+    /** @var Connection */
+    private $connection;
+
+    /**
+     * Constructs an instance of this class.
+     *
+     * @param Connection $connection
+     */
+    public function __construct(Connection $connection)
+    {
+        $this->connection = $connection;
+    }
+
+    public function getCode()
+    {
+        return 'connect';
+    }
+
+    public function start()
+    {
+        $packet = new ConnectRequestPacket();
+        $packet->setProtocolLevel(self::PROTOCOL_LEVEL);
+        $packet->setProtocolName(self::PROTOCOL_NAME);
+        $packet->setKeepAlive(self::KEEPALIVE);
+        $packet->setFlags(194);
+        $packet->setPayload(zlib_encode($this->connection->toThrift(), ZLIB_ENCODING_DEFLATE, 9));
+
+        return $packet;
+    }
+
+    public function accept(Packet $packet)
+    {
+        return $packet->getPacketType() === Packet::TYPE_CONNACK;
+    }
+
+    public function next(Packet $packet)
+    {
+        /** @var ConnectResponsePacket $packet */
+        if ($packet->isSuccess()) {
+            $this->succeed($packet);
+        } else {
+            $this->fail($packet->getErrorName());
+        }
+    }
+}