Merge branch 'ProtocolBuffers' of https://git01.codeplex.com/forks/alexvallat/keepass2androidperfopt into AlexVallat/ProtocolBuffers

Conflicts:
	src/KeePassLib2Android/PwDatabase.cs
	src/KeePassLib2Android/Serialization/KdbxFile.Read.cs

src/KeePassLib2Android/KeePassLib2Android.csproj

@@ -47,6 +47,9 @@
     <AndroidLinkMode>SdkOnly</AndroidLinkMode>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="protobuf-net">
+      <HintPath>..\ProtoBuf\protobuf-net.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Xml" />
     <Reference Include="System.Core" />
@@ -127,6 +130,7 @@
     <Compile Include="Serialization\KdbxFile.Write.cs" />
     <Compile Include="Serialization\IOConnectionInfo.cs" />
     <Compile Include="Serialization\OldFormatException.cs" />
+    <Compile Include="Serialization\ProtoBuf\KdbpFile.cs" />
     <Compile Include="Translation\KPControlCustomization.cs" />
     <Compile Include="Translation\KPFormCustomization.cs" />
     <Compile Include="Translation\KPStringTable.cs" />

src/KeePassLib2Android/PwDatabase.cs

@@ -605,8 +605,7 @@ namespace KeePassLib
 				KdbxFile kdbx = new KdbxFile(this);
 				kdbx.DetachBinaries = m_strDetachBins;
 
-				kdbx.Load(s, KdbxFormat.Default, slLogger);
-
+				kdbx.Load(s, KdbpFile.GetFormatToUse(ioSource), slLogger);
 				s.Close();
 
 				m_pbHashOfLastIO = kdbx.HashOfFileOnDisk;
@@ -642,7 +641,7 @@ namespace KeePassLib
 				Stream s = ft.OpenWrite();
 
 				KdbxFile kdb = new KdbxFile(this);
-				kdb.Save(s, null, KdbxFormat.Default, slLogger);
+				kdb.Save(s, null, KdbpFile.GetFormatToUse(m_ioSource), slLogger);
 
 				ft.CommitWrite();
 				

src/KeePassLib2Android/Serialization/KdbxFile.Read.cs

@@ -38,6 +38,7 @@ using KeePassLib.Interfaces;
 using KeePassLib.Keys;
 using KeePassLib.Resources;
 using KeePassLib.Utility;
+using keepass2android;
 
 namespace KeePassLib.Serialization
 {
@@ -82,7 +83,7 @@ namespace KeePassLib.Serialization
 				BinaryReaderEx brDecrypted = null;
 				Stream readerStream = null;
 
-				if(kdbFormat == KdbxFormat.Default)
+				if(kdbFormat == KdbxFormat.Default || kdbFormat == KdbxFormat.ProtocolBuffers)
 				{
 					br = new BinaryReaderEx(hashedStream, encNoBom, KLRes.FileCorrupted);
 					ReadHeader(br);
@@ -134,8 +135,21 @@ namespace KeePassLib.Serialization
 				else m_randomStream = null; // No random stream for plain-text files
 				if (m_slLogger != null)
 					m_slLogger.SetText("KP2AKEY_ParsingDatabase", LogStatusType.AdditionalInfo);
-				ReadXmlStreamed(readerStream, hashedStream);
-				// ReadXmlDom(readerStream);
+				var stopWatch = Stopwatch.StartNew();
+				
+				if (kdbFormat == KdbxFormat.ProtocolBuffers)
+				{
+					KdbpFile.ReadDocument(m_pwDatabase, readerStream, m_pbProtectedStreamKey, m_pbHashOfHeader);
+
+					Kp2aLog.Log(String.Format("KdbpFile.ReadDocument: {0}ms", stopWatch.ElapsedMilliseconds));
+
+				}
+				else
+				{
+					ReadXmlStreamed(readerStream, hashedStream);
+
+					Kp2aLog.Log(String.Format("ReadXmlStreamed: {0}ms", stopWatch.ElapsedMilliseconds));
+				}
 
 				readerStream.Close();
 				// GC.KeepAlive(br);
@@ -148,6 +162,17 @@ namespace KeePassLib.Serialization
 			finally { CommonCleanUpRead(sSource, hashedStream); }
 		}
 
+		public static void CopyStream(Stream input, Stream output)
+		{
+			byte[] buffer = new byte[4096];
+			int read;
+			while ((read = input.Read(buffer, 0, buffer.Length)) > 0)
+			{
+				output.Write(buffer, 0, read);
+			}
+			output.Seek(0, SeekOrigin.Begin);
+		}
+
 		private void CommonCleanUpRead(Stream sSource, HashingStreamEx hashedStream)
 		{
 			hashedStream.Close();

src/KeePassLib2Android/Serialization/KdbxFile.Write.cs

@@ -45,6 +45,7 @@ using KeePassLib.Keys;
 using KeePassLib.Resources;
 using KeePassLib.Security;
 using KeePassLib.Utility;
+using keepass2android;
 
 namespace KeePassLib.Serialization
 {
@@ -101,7 +102,7 @@ namespace KeePassLib.Serialization
 				m_pbStreamStartBytes = cr.GetRandomBytes(32);
 
 				Stream writerStream;
-				if(m_format == KdbxFormat.Default)
+				if(m_format == KdbxFormat.Default || m_format == KdbxFormat.ProtocolBuffers)
 				{
 					WriteHeader(hashedStream); // Also flushes the stream
 
@@ -122,12 +123,24 @@ namespace KeePassLib.Serialization
 					writerStream = hashedStream;
 				else { Debug.Assert(false); throw new FormatException("KdbFormat"); }
 
-				m_xmlWriter = new XmlTextWriter(writerStream, encNoBom);
-				WriteDocument(pgDataSource);
+				var stopWatch = Stopwatch.StartNew();
+
+				if (m_format == KdbxFormat.ProtocolBuffers)
+				{
+					KdbpFile.WriteDocument(m_pwDatabase, writerStream, m_pbProtectedStreamKey, m_pbHashOfHeader);
+				}
+				else
+				{
+					m_xmlWriter = new XmlTextWriter(writerStream, encNoBom);
+					WriteDocument(pgDataSource);
+
+					m_xmlWriter.Flush();
+					m_xmlWriter.Close();
+				}
 
-				m_xmlWriter.Flush();
-				m_xmlWriter.Close();
 				writerStream.Close();
+
+				Kp2aLog.Log(String.Format("{1}: {0}ms", stopWatch.ElapsedMilliseconds, m_format == KdbxFormat.ProtocolBuffers ? "KdbpFile.WriteDocument" : "Xml WriteDocument"));
 			}
 			finally { CommonCleanUpWrite(sSaveTo, hashedStream); }
 		}

src/KeePassLib2Android/Serialization/KdbxFile.cs

@@ -52,7 +52,8 @@ namespace KeePassLib.Serialization
 		/// <summary>
 		/// Use this flag when exporting data to a plain-text XML file.
 		/// </summary>
-		PlainXml
+		PlainXml,
+		ProtocolBuffers
 	}
 
 	/// <summary>

src/keepass2android/search/SearchProvider.cs

@@ -86,7 +86,7 @@ namespace keepass2android.search
 							}
 							catch (Exception e)
 							{
-								System.Diagnostics.Debug.WriteLine("Failed to search for suggestions: " + e.Message);
+								Kp2aLog.Log("Failed to search for suggestions: " + e.Message);
 							}
 						}
 						break;