Implemented backup based on changes recorded in NTFS USN journal

2 files changed, 49 insertions, 0 deletions

diff --git a/Duplicati/Library/Interface/Duplicati.Library.Interface.csproj b/Duplicati/Library/Interface/Duplicati.Library.Interface.csproj
index 745e830ff..6c9bee0eb 100644
--- a/Duplicati/Library/Interface/Duplicati.Library.Interface.csproj
+++ b/Duplicati/Library/Interface/Duplicati.Library.Interface.csproj
@@ -47,6 +47,7 @@
     <Compile Include="CustomExceptions.cs" />

     <Compile Include="FileEntry.cs" />

     <Compile Include="IBackend.cs" />

+    <Compile Include="USNJournalDataEntry.cs" />

     <Compile Include="ICommandLineArgument.cs" />

     <Compile Include="IEncryption.cs" />

     <Compile Include="ICompression.cs" />

diff --git a/Duplicati/Library/Interface/USNJournalDataEntry.cs b/Duplicati/Library/Interface/USNJournalDataEntry.cs
new file mode 100644
index 000000000..7970b99b5
--- /dev/null
+++ b/Duplicati/Library/Interface/USNJournalDataEntry.cs
@@ -0,0 +1,48 @@
+#region Disclaimer / License
+// Copyright (C) 2015, The Duplicati Team
+// http://www.duplicati.com, info@duplicati.com
+// 
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// 
+// This library 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
+// Lesser General Public License for more details.
+// 
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+// 
+#endregion
+
+namespace Duplicati.Library.Interface
+{
+    /// <summary>
+    /// Data representing the state of an NTFS USN (Change) Journal
+    /// </summary>
+    public class USNJournalDataEntry
+    {
+        /// <summary>
+        /// Volume of journal
+        /// </summary>
+        public string Volume;
+
+        /// <summary>
+        /// Journal ID, as recorded in the journal
+        /// </summary>
+        public long JournalId;
+
+        /// <summary>
+        /// USN to start at for next fileset (backup)
+        /// </summary>
+        public long NextUsn;
+
+        /// <summary>
+        /// A hash value representing the active exclusion filter
+        /// </summary>
+        public string ConfigHash;
+    }
+}