From 51a43b30a2f0cb76de26102064551816447a675c Mon Sep 17 00:00:00 2001
From: Justin Clarke Casey <jjustincc@googlemail.com>
Date: Wed, 28 May 2008 16:37:43 +0000
Subject: [PATCH] * Put textures into a separate assets/ directory in the
 opensim archive * Fix nre where the asset couldn't be found * Not ready yet

---
 .../Modules/World/Archiver/ArchiveRequest.cs  | 12 ++++++-
 .../Modules/World/Archiver/TarArchive.cs      | 31 ++++++++++++++++---
 2 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveRequest.cs b/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveRequest.cs
index ea7494106a..364b31feb4 100644
--- a/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveRequest.cs
+++ b/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveRequest.cs
@@ -106,10 +106,20 @@ namespace OpenSim.Region.Environment
             TarArchive archive = new TarArchive();
 
             archive.AddFile("prims.xml", m_serializedEntities);
+            
+            // It appears that gtar, at least, doesn't need the intermediate directory entries in the tar
+            //archive.AddDir("assets");
 
             foreach (LLUUID uuid in assets.Keys)
             {
-                archive.AddFile(uuid.ToString() + ".jp2", assets[uuid].Data);
+                if (assets[uuid] != null)
+                {
+                    archive.AddFile("assets/" + uuid.ToString() + ".jp2", assets[uuid].Data);
+                }
+                else
+                {
+                    m_log.DebugFormat("[ARCHIVER]: Could not find asset {0} to archive", uuid);
+                }
             }
 
             archive.WriteTar(m_savePath);
diff --git a/OpenSim/Region/Environment/Modules/World/Archiver/TarArchive.cs b/OpenSim/Region/Environment/Modules/World/Archiver/TarArchive.cs
index 3a7518c6f5..c7492fe680 100644
--- a/OpenSim/Region/Environment/Modules/World/Archiver/TarArchive.cs
+++ b/OpenSim/Region/Environment/Modules/World/Archiver/TarArchive.cs
@@ -46,6 +46,19 @@ namespace OpenSim.Region.Environment
 
         protected static System.Text.ASCIIEncoding m_asciiEncoding = new System.Text.ASCIIEncoding();
 
+        /// <summary>
+        /// Add a directory to the tar archive.  We can only handle one path level right now!
+        /// </summary>
+        /// <param name="dirName"></param>
+        public void AddDir(string dirName)
+        {
+            // Directories are signalled by a final /
+            if (!dirName.EndsWith("/"))
+                dirName += "/";
+            
+            AddFile(dirName, new byte[0]);
+        }
+        
         /// <summary>
         /// Add a file to the tar archive
         /// </summary>
@@ -88,7 +101,7 @@ namespace OpenSim.Region.Environment
                 Array.Copy(nameBytes, header, nameSize);
 
                 // file mode (8)
-                byte[] modeBytes = m_asciiEncoding.GetBytes("0000644");
+                byte[] modeBytes = m_asciiEncoding.GetBytes("0000755");
                 Array.Copy(modeBytes, 0, header, 100, 7);
 
                 // owner user id (8)
@@ -113,7 +126,14 @@ namespace OpenSim.Region.Environment
 
                 // link indicator (1)
                 //header[156] = m_asciiEncoding.GetBytes("0")[0];
-                header[156] = 0;
+                if (filePath.EndsWith("/"))
+                {
+                    header[156] = m_asciiEncoding.GetBytes("5")[0];
+                }
+                else
+                {
+                    header[156] = 0;
+                }
 
                 Array.Copy(m_asciiEncoding.GetBytes("0000000"), 0, header, 329, 7);
                 Array.Copy(m_asciiEncoding.GetBytes("0000000"), 0, header, 337, 7);
@@ -142,9 +162,10 @@ namespace OpenSim.Region.Environment
                 // Write out data
                 bw.Write(data);
 
-                int paddingRequired = 512 - (data.Length % 512);
-                if (paddingRequired > 0)
+                if (data.Length % 512 != 0)
                 {
+                    int paddingRequired = 512 - (data.Length % 512);
+                    
                     m_log.DebugFormat("Padding data with {0} bytes", paddingRequired);
 
                     byte[] padding = new byte[paddingRequired];
@@ -179,4 +200,4 @@ namespace OpenSim.Region.Environment
             return oBytes;
         }
     }
-}
\ No newline at end of file
+}