//******************************************************************************************************//  TFtpStreamReader.cs - Gbtc////  Copyright © 2020, Grid Protection Alliance.  All Rights Reserved.////  Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See//  the NOTICE file distributed with this work for additional information regarding copyright ownership.//  The GPA licenses this file to you under the MIT License (MIT), the "License"; you may not use this//  file except in compliance with the License. You may obtain a copy of the License at:////      http://opensource.org/licenses/MIT////  Unless agreed to in writing, the subject software distributed under the License is distributed on an//  "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the//  License for the specific language governing permissions and limitations.////  Code Modification History://  ----------------------------------------------------------------------------------------------------//  05/12/2020 - J. Ritchie Carroll//       Generated original version of source code.////****************************************************************************************************** #region [ Contributor License Agreements ] //*******************************************************************************************************////   Code based on the following project://        https://github.com/Callisto82/tftp.net//  //   Copyright © 2011, Michael Baer////******************************************************************************************************* #endregion using System;using System.IO; // ReSharper disable InconsistentNamingnamespace GSF.Net.TFtp.Commands{    internal class TFtpStreamReader    {        private readonly Stream m_stream;         public TFtpStreamReader(Stream stream)        {            m_stream = stream;        }         public ushort ReadUInt16()        {            int byte1 = m_stream.ReadByte();            int byte2 = m_stream.ReadByte();                        return (ushort)((byte)byte1 << 8 | (byte)byte2);        }         public byte ReadByte()        {            int nextByte = m_stream.ReadByte();             if (nextByte == -1)                throw new IOException();             return (byte)nextByte;        }         public byte[] ReadBytes(int maxBytes)        {            byte[] buffer = new byte[maxBytes];            int bytesRead = m_stream.Read(buffer, 0, buffer.Length);             if (bytesRead == -1)                throw new IOException();             Array.Resize(ref buffer, bytesRead);            return buffer;        }    }}