Implemented SCSI VPDs 0x00 to 0x80.

ChangeLog

@@ -1,3 +1,9 @@
+2015-10-19  Natalia Portillo  <claunia@claunia.com>
+
+	* SCSI/EVPD.cs:
+	* DiscImageChef.Decoders.csproj:
+	  Implemented SCSI VPDs 0x00 to 0x80.
+
 2015-10-19  Natalia Portillo  <claunia@claunia.com>
 
 	* ATA/Identify.cs:

DiscImageChef.Decoders.csproj

@@ -78,6 +78,7 @@
     <Compile Include="SCSI\Enums.cs" />
     <Compile Include="SCSI\VendorString.cs" />
     <Compile Include="ATA\Identify.cs" />
+    <Compile Include="SCSI\EVPD.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>

SCSI/EVPD.cs

@@ -0,0 +1,115 @@
+// /***************************************************************************
+// The Disc Image Chef
+// ----------------------------------------------------------------------------
+//
+// Filename       : EVPD.cs
+// Version        : 1.0
+// Author(s)      : Natalia Portillo
+//
+// Component      : Component
+//
+// Revision       : $Revision$
+// Last change by : $Author$
+// Date           : $Date$
+//
+// --[ Description ] ----------------------------------------------------------
+//
+// Description
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright (C) 2011-2015 Claunia.com
+// ****************************************************************************/
+// //$Id$
+using System;
+using DiscImageChef;
+
+namespace DiscImageChef.Decoders.SCSI
+{
+    public static class EVPD
+    {
+        /// <summary>
+        /// Decodes VPD page 0x00: Supported VPD pages
+        /// </summary>
+        /// <returns>A byte array containing all supported VPD pages.</returns>
+        /// <param name="page">Page 0x00.</param>
+        public static byte[] DecodePage00(byte[] page)
+        {
+            if (page == null)
+                return null;
+            
+            if (page[1] != 0)
+                return null;
+
+            if (page.Length != page[3] + 4)
+                return null;
+
+            byte[] decoded = new byte[page.Length - 4];
+
+            Array.Copy(page, 4, decoded, 0, page.Length - 4);
+
+            return decoded;
+        }
+
+        /// <summary>
+        /// Decides VPD pages 0x01 to 0x7F: ASCII Information
+        /// </summary>
+        /// <returns>An ASCII string with the contents of the page.</returns>
+        /// <param name="page">Page 0x01-0x7F.</param>
+        public static string DecodeASCIIPage(byte[] page)
+        {
+            if (page == null)
+                return null;
+
+            if (page[1] == 0 || page[1] > 0x7F)
+                return null;
+
+            if (page.Length != page[3] + 4)
+                return null;
+
+            byte[] ascii = new byte[page[4]];
+
+            Array.Copy(page, 5, ascii, 0, page[4]);
+
+            return StringHandlers.CToString(ascii);
+        }
+
+        /// <summary>
+        /// Decodes VPD page 0x80: Unit Serial Number
+        /// </summary>
+        /// <returns>The unit serial number.</returns>
+        /// <param name="page">Page 0x80.</param>
+        public static string DecodePage80(byte[] page)
+        {
+            if (page == null)
+                return null;
+
+            if (page[1] != 0x80)
+                return null;
+
+            if (page.Length != page[3] + 4)
+                return null;
+
+            byte[] ascii = new byte[page.Length - 4];
+
+            Array.Copy(page, 4, ascii, 0, page.Length - 4);
+
+            return StringHandlers.CToString(ascii);
+        }
+    }
+}
+