Moving TarArchive to OpenSim.Framework.Archive

We now build OpenSim.Framework.Archive.dll which aims to contain code
used for archiving various things in OpenSim. Also remove trailing
whitespace.

6 files changed, 5 insertions, 436 deletions

diff --git a/OpenSim/Region/CoreModules/World/Archiver/ArchiveReadRequest.cs b/OpenSim/Region/CoreModules/World/Archiver/ArchiveReadRequest.cs
index 3525e04..69766d4 100644
--- a/OpenSim/Region/CoreModules/World/Archiver/ArchiveReadRequest.cs
+++ b/OpenSim/Region/CoreModules/World/Archiver/ArchiveReadRequest.cs
@@ -35,6 +35,7 @@ using System.Text;
 using log4net;
 using OpenMetaverse;
 using OpenSim.Framework;
+using OpenSim.Framework.Archive;
 using OpenSim.Framework.Communications.Cache;
 using OpenSim.Region.CoreModules.World.Terrain;
 using OpenSim.Region.Framework.Interfaces;
diff --git a/OpenSim/Region/CoreModules/World/Archiver/ArchiveWriteRequestExecution.cs b/OpenSim/Region/CoreModules/World/Archiver/ArchiveWriteRequestExecution.cs
index cc4eadb..34332f8 100644
--- a/OpenSim/Region/CoreModules/World/Archiver/ArchiveWriteRequestExecution.cs
+++ b/OpenSim/Region/CoreModules/World/Archiver/ArchiveWriteRequestExecution.cs
@@ -33,6 +33,7 @@ using System.Xml;
 using log4net;
 using OpenMetaverse;
 using OpenSim.Framework;
+using OpenSim.Framework.Archive;
 using OpenSim.Region.CoreModules.World.Terrain;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
diff --git a/OpenSim/Region/CoreModules/World/Archiver/AssetsArchiver.cs b/OpenSim/Region/CoreModules/World/Archiver/AssetsArchiver.cs
index 8debfcf..fb78af9 100644
--- a/OpenSim/Region/CoreModules/World/Archiver/AssetsArchiver.cs
+++ b/OpenSim/Region/CoreModules/World/Archiver/AssetsArchiver.cs
@@ -32,6 +32,7 @@ using System.Xml;
 using log4net;
 using OpenMetaverse;
 using OpenSim.Framework;
+using OpenSim.Framework.Archive;
 
 namespace OpenSim.Region.CoreModules.World.Archiver
 {
diff --git a/OpenSim/Region/CoreModules/World/Archiver/TarArchiveReader.cs b/OpenSim/Region/CoreModules/World/Archiver/TarArchiveReader.cs
deleted file mode 100644
index 070f597..0000000
--- a/OpenSim/Region/CoreModules/World/Archiver/TarArchiveReader.cs
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the OpenSim Project nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-using System;
-using System.IO;
-using System.Reflection;
-using System.Text;
-using log4net;
-
-namespace OpenSim.Region.CoreModules.World.Archiver
-{
-    /// <summary>
-    /// Temporary code to do the bare minimum required to read a tar archive for our purposes
-    /// </summary>
-    public class TarArchiveReader
-    {
-        //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-        
-        public enum TarEntryType 
-        {
-            TYPE_UNKNOWN = 0,
-            TYPE_NORMAL_FILE = 1,
-            TYPE_HARD_LINK = 2,
-            TYPE_SYMBOLIC_LINK = 3,
-            TYPE_CHAR_SPECIAL = 4,
-            TYPE_BLOCK_SPECIAL = 5,
-            TYPE_DIRECTORY = 6,
-            TYPE_FIFO = 7,
-            TYPE_CONTIGUOUS_FILE = 8,
-        }
-
-        protected static ASCIIEncoding m_asciiEncoding = new ASCIIEncoding();
-
-        /// <summary>
-        /// Binary reader for the underlying stream
-        /// </summary>
-        protected BinaryReader m_br;
-
-        /// <summary>
-        /// Used to trim off null chars
-        /// </summary>
-        protected char[] m_nullCharArray = new char[] { '\0' };
-
-        /// <summary>
-        /// Generate a tar reader which reads from the given stream.
-        /// </summary>
-        /// <param name="s"></param>
-        public TarArchiveReader(Stream s)
-        {
-            m_br = new BinaryReader(s);
-        }
-
-        /// <summary>
-        /// Read the next entry in the tar file.
-        /// </summary>
-        /// <param name="filePath"></param>
-        /// <returns>the data for the entry.  Returns null if there are no more entries</returns>
-        public byte[] ReadEntry(out string filePath, out TarEntryType entryType)
-        {
-            filePath = String.Empty;
-            entryType = TarEntryType.TYPE_UNKNOWN;
-            TarHeader header = ReadHeader();
-
-            if (null == header)
-                return null;
-
-            entryType = header.EntryType;
-            filePath = header.FilePath;            
-            return ReadData(header.FileSize);
-        }
-
-        /// <summary>
-        /// Read the next 512 byte chunk of data as a tar header.
-        /// </summary>
-        /// <returns>A tar header struct.  null if we have reached the end of the archive.</returns>
-        protected TarHeader ReadHeader()
-        {
-            byte[] header = m_br.ReadBytes(512);
-
-            // If we've reached the end of the archive we'll be in null block territory, which means
-            // the next byte will be 0
-            if (header[0] == 0)
-                return null;           
-
-            TarHeader tarHeader = new TarHeader();
-
-            // If we're looking at a GNU tar long link then extract the long name and pull up the next header
-            if (header[156] == (byte)'L')
-            {
-                int longNameLength = ConvertOctalBytesToDecimal(header, 124, 11);
-                tarHeader.FilePath = m_asciiEncoding.GetString(ReadData(longNameLength));
-                //m_log.DebugFormat("[TAR ARCHIVE READER]: Got long file name {0}", tarHeader.FilePath);
-                header = m_br.ReadBytes(512);
-            }
-            else
-            {               
-                tarHeader.FilePath = m_asciiEncoding.GetString(header, 0, 100);
-                tarHeader.FilePath = tarHeader.FilePath.Trim(m_nullCharArray);
-                //m_log.DebugFormat("[TAR ARCHIVE READER]: Got short file name {0}", tarHeader.FilePath);
-            }
-                        
-            tarHeader.FileSize = ConvertOctalBytesToDecimal(header, 124, 11);
-
-            switch (header[156]) 
-            {
-                case 0:
-                    tarHeader.EntryType = TarEntryType.TYPE_NORMAL_FILE;
-                    break;
-                case (byte)'0':
-                    tarHeader.EntryType = TarEntryType.TYPE_NORMAL_FILE;
-                break;
-                case (byte)'1':
-                    tarHeader.EntryType = TarEntryType.TYPE_HARD_LINK;
-                break;
-                case (byte)'2':
-                    tarHeader.EntryType = TarEntryType.TYPE_SYMBOLIC_LINK;
-                break;
-                case (byte)'3':
-                    tarHeader.EntryType = TarEntryType.TYPE_CHAR_SPECIAL;
-                break;
-                case (byte)'4':
-                    tarHeader.EntryType = TarEntryType.TYPE_BLOCK_SPECIAL;
-                break;
-                case (byte)'5':
-                    tarHeader.EntryType = TarEntryType.TYPE_DIRECTORY;
-                break;
-                case (byte)'6':
-                    tarHeader.EntryType = TarEntryType.TYPE_FIFO;
-                break;
-                case (byte)'7':
-                    tarHeader.EntryType = TarEntryType.TYPE_CONTIGUOUS_FILE;
-                break;
-            }       
-            
-            return tarHeader;
-        }
-        
-        /// <summary>
-        /// Read data following a header
-        /// </summary>
-        /// <param name="fileSize"></param>
-        /// <returns></returns>
-        protected byte[] ReadData(int fileSize)
-        {
-            byte[] data = m_br.ReadBytes(fileSize);
-
-            //m_log.DebugFormat("[TAR ARCHIVE READER]: fileSize {0}", fileSize);
-
-            // Read the rest of the empty padding in the 512 byte block
-            if (fileSize % 512 != 0)
-            {
-                int paddingLeft = 512 - (fileSize % 512);
-
-                //m_log.DebugFormat("[TAR ARCHIVE READER]: Reading {0} padding bytes", paddingLeft);
-
-                m_br.ReadBytes(paddingLeft);
-            }
-            
-            return data;
-        }
-
-        public void Close()
-        {
-            m_br.Close();
-        }
-
-        /// <summary>
-        /// Convert octal bytes to a decimal representation
-        /// </summary>
-        /// <param name="bytes"></param>
-        /// <returns></returns>
-        public static int ConvertOctalBytesToDecimal(byte[] bytes, int startIndex, int count)
-        {
-            string oString = m_asciiEncoding.GetString(bytes, startIndex, count);
-
-            int d = 0;
-
-            foreach (char c in oString)
-            {
-                d <<= 3;
-                d |= c - '0';
-            }
-
-            return d;
-        }
-    }
-
-    public class TarHeader
-    {
-        public string FilePath;
-        public int FileSize;
-        public TarArchiveReader.TarEntryType EntryType;
-    }
-}
diff --git a/OpenSim/Region/CoreModules/World/Archiver/TarArchiveWriter.cs b/OpenSim/Region/CoreModules/World/Archiver/TarArchiveWriter.cs
deleted file mode 100644
index 506fcc5..0000000
--- a/OpenSim/Region/CoreModules/World/Archiver/TarArchiveWriter.cs
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the OpenSim Project nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Text;
-
-namespace OpenSim.Region.CoreModules.World.Archiver
-{
-    /// <summary>
-    /// Temporary code to produce a tar archive in tar v7 format
-    /// </summary>
-    public class TarArchiveWriter
-    {
-        //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-
-        protected static ASCIIEncoding m_asciiEncoding = new ASCIIEncoding();
-
-        /// <summary>
-        /// Binary writer for the underlying stream
-        /// </summary>
-        protected BinaryWriter m_bw;
-        
-        public TarArchiveWriter(Stream s)
-        {
-            m_bw = new BinaryWriter(s);
-        }
-        
-        /// <summary>
-        /// Write a directory entry to the tar archive.  We can only handle one path level right now!
-        /// </summary>
-        /// <param name="dirName"></param>
-        public void WriteDir(string dirName)
-        {
-            // Directories are signalled by a final /
-            if (!dirName.EndsWith("/"))
-                dirName += "/";
-
-            WriteFile(dirName, new byte[0]);
-        }
-        
-        /// <summary>
-        /// Write a file to the tar archive
-        /// </summary>
-        /// <param name="filePath"></param>
-        /// <param name="data"></param>
-        public void WriteFile(string filePath, string data)
-        {
-            WriteFile(filePath, m_asciiEncoding.GetBytes(data));
-        }
-
-        /// <summary>
-        /// Write a file to the tar archive
-        /// </summary>
-        /// <param name="filePath"></param>
-        /// <param name="data"></param>
-        public void WriteFile(string filePath, byte[] data)
-        {
-            if (filePath.Length > 100)
-                WriteEntry("././@LongLink", m_asciiEncoding.GetBytes(filePath), 'L');
-            
-            char fileType;
-            
-            if (filePath.EndsWith("/"))
-            {
-                fileType = '5';
-            }
-            else
-            {
-                fileType = '0';
-            }     
-         
-            WriteEntry(filePath, data, fileType);
-        }
-        
-        /// <summary>
-        /// Finish writing the raw tar archive data to a stream.  The stream will be closed on completion.
-        /// </summary>
-        /// <param name="s">Stream to which to write the data</param>
-        /// <returns></returns>
-        public void Close()
-        {
-            //m_log.Debug("[TAR ARCHIVE WRITER]: Writing final consecutive 0 blocks");
-            
-            // Write two consecutive 0 blocks to end the archive
-            byte[] finalZeroPadding = new byte[1024];
-            m_bw.Write(finalZeroPadding);
-
-            m_bw.Flush();
-            m_bw.Close();
-        }
-
-        public static byte[] ConvertDecimalToPaddedOctalBytes(int d, int padding)
-        {
-            string oString = "";
-
-            while (d > 0)
-            {
-                oString = Convert.ToString((byte)'0' + d & 7) + oString;
-                d >>= 3;
-            }
-
-            while (oString.Length < padding)
-            {
-                oString = "0" + oString;
-            }
-
-            byte[] oBytes = m_asciiEncoding.GetBytes(oString);
-
-            return oBytes;
-        }    
-
-        /// <summary>
-        /// Write a particular entry
-        /// </summary>
-        /// <param name="filePath"></param>
-        /// <param name="data"></param>
-        /// <param name="fileType"></param>
-        protected void WriteEntry(string filePath, byte[] data, char fileType)
-        {
-            byte[] header = new byte[512];
-
-            // file path field (100)
-            byte[] nameBytes = m_asciiEncoding.GetBytes(filePath);
-            int nameSize = (nameBytes.Length >= 100) ? 100 : nameBytes.Length;
-            Array.Copy(nameBytes, header, nameSize);
-
-            // file mode (8)
-            byte[] modeBytes = m_asciiEncoding.GetBytes("0000777");
-            Array.Copy(modeBytes, 0, header, 100, 7);
-
-            // owner user id (8)
-            byte[] ownerIdBytes = m_asciiEncoding.GetBytes("0000764");
-            Array.Copy(ownerIdBytes, 0, header, 108, 7);
-
-            // group user id (8)
-            byte[] groupIdBytes = m_asciiEncoding.GetBytes("0000764");
-            Array.Copy(groupIdBytes, 0, header, 116, 7);
-
-            // file size in bytes (12)
-            int fileSize = data.Length;
-            //m_log.DebugFormat("[TAR ARCHIVE WRITER]: File size of {0} is {1}", filePath, fileSize);
-
-            byte[] fileSizeBytes = ConvertDecimalToPaddedOctalBytes(fileSize, 11);
-
-            Array.Copy(fileSizeBytes, 0, header, 124, 11);
-
-            // last modification time (12)
-            byte[] lastModTimeBytes = m_asciiEncoding.GetBytes("11017037332");
-            Array.Copy(lastModTimeBytes, 0, header, 136, 11);
-
-            // entry type indicator (1)
-            header[156] = m_asciiEncoding.GetBytes(new char[] { fileType })[0];
-
-            Array.Copy(m_asciiEncoding.GetBytes("0000000"), 0, header, 329, 7);
-            Array.Copy(m_asciiEncoding.GetBytes("0000000"), 0, header, 337, 7);
-
-            // check sum for header block (8) [calculated last]
-            Array.Copy(m_asciiEncoding.GetBytes("        "), 0, header, 148, 8);
-
-            int checksum = 0;
-            foreach (byte b in header)
-            {
-                checksum += b;
-            }
-
-            //m_log.DebugFormat("[TAR ARCHIVE WRITER]: Decimal header checksum is {0}", checksum);
-
-            byte[] checkSumBytes = ConvertDecimalToPaddedOctalBytes(checksum, 6);
-
-            Array.Copy(checkSumBytes, 0, header, 148, 6);
-
-            header[154] = 0;
-
-            // Write out header
-            m_bw.Write(header);
-
-            // Write out data
-            m_bw.Write(data);
-
-            if (data.Length % 512 != 0)
-            {
-                int paddingRequired = 512 - (data.Length % 512);
-
-                //m_log.DebugFormat("[TAR ARCHIVE WRITER]: Padding data with {0} bytes", paddingRequired);
-
-                byte[] padding = new byte[paddingRequired];
-                m_bw.Write(padding);
-            }            
-        }   
-    }
-}
diff --git a/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs b/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs
index ba5fa31..b5a2d13 100644
--- a/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs
+++ b/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs
@@ -33,6 +33,7 @@ using NUnit.Framework;
 using NUnit.Framework.SyntaxHelpers;
 using OpenMetaverse;
 using OpenSim.Framework;
+using OpenSim.Framework.Archive;
 using OpenSim.Region.CoreModules.World.Serialiser;
 using OpenSim.Region.CoreModules.World.Terrain;
 using OpenSim.Region.Framework.Scenes;
@@ -303,4 +304,4 @@ namespace OpenSim.Region.CoreModules.World.Archiver.Tests
             }
         }
     }
-}
\ No newline at end of file
+}