Adopted composer autoload way

Split up classes into separate way, to allow autoloader to do it's work

Signed-off-by: Diederik de Groot <ddegroot@talon.nl>

lib/TFTP/Opcode.php

@@ -0,0 +1,56 @@
+<?php
+declare(strict_types=1);
+namespace PROVISION;
+/*
+ * PHP TFTP Server
+ *
+ * Copyright (c) 2011 <mattias.wadman@gmail.com>
+ *
+ * MIT License:
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+declare(strict_types=1);
+namespace PROVISION\TFTP;
+
+use PROVISION\Logger as Logger;
+
+class Opcode
+{
+  public static function name($v)
+  {
+    static $names = array(TFTPOpcode::RRQ => "RRQ",
+			  TFTPOpcode::WRQ => "WRQ",
+			  TFTPOpcode::DATA => "DATA",
+			  TFTPOpcode::ACK => "ACK",
+			  TFTPOpcode::ERROR => "ERROR",
+			  TFTPOpcode::OACK => "OACK");
+    if(isset($names[$v]))
+      return $names[$v];
+    else
+      return "UNKNOWN";
+  }
+
+  const RRQ = 1; // read request
+  const WRQ = 2; // write request
+  const DATA = 3; // send data
+  const ACK = 4; // ack data
+  const ERROR = 5;
+  const OACK = 6; // option ack, instead of first ACK/DATA
+}
+?>