merge common implementations and server implementations

Emby.Server.Implementations/IO/SharpCifs/Util/Sharpen/RandomAccessFile.cs

@@ -0,0 +1,87 @@
+using System;
+using System.IO;
+
+namespace SharpCifs.Util.Sharpen
+{
+    public class RandomAccessFile
+	{
+		private FileStream _stream;
+
+		public RandomAccessFile (FilePath file, string mode) : this(file.GetPath (), mode)
+		{
+		}
+
+		public RandomAccessFile (string file, string mode)
+		{
+			if (mode.IndexOf ('w') != -1)
+				_stream = new FileStream (file, FileMode.OpenOrCreate, FileAccess.ReadWrite);
+			else
+				_stream = new FileStream (file, FileMode.Open, FileAccess.Read);
+		}
+
+		public void Close ()
+		{
+            //Stream.`Close` method deleted
+            //_stream.Close ();
+            _stream.Dispose();
+        }
+
+		public long GetFilePointer ()
+		{
+			return _stream.Position;
+		}
+
+		public long Length ()
+		{
+			return _stream.Length;
+		}
+
+		public int Read (byte[] buffer)
+		{
+			int r = _stream.Read (buffer, 0, buffer.Length);
+			return r > 0 ? r : -1;
+		}
+
+		public int Read (byte[] buffer, int start, int size)
+		{
+			return _stream.Read (buffer, start, size);
+		}
+
+		public void ReadFully (byte[] buffer, int start, int size)
+		{
+			while (size > 0) {
+				int num = _stream.Read (buffer, start, size);
+				if (num == 0) {
+					throw new EofException ();
+				}
+				size -= num;
+				start += num;
+			}
+		}
+
+		public void Seek (long pos)
+		{
+			_stream.Position = pos;
+		}
+
+		public void SetLength (long len)
+		{
+			_stream.SetLength (len);
+		}
+
+		public void Write (int value)
+		{
+			_stream.Write (BitConverter.GetBytes (value), 0, 4);
+		}
+		
+		public void Write (byte[] buffer)
+		{
+			_stream.Write (buffer, 0, buffer.Length);
+		}
+
+		public void Write (byte[] buffer, int start, int size)
+		{
+			_stream.Write (buffer, start, size);
+		}
+	}
+}