public static void RestoreFile(Database database, string sourceName, string destName)
{
using (IScaledRAInterface interface2 = ScaledRAFile.NewScaledRAFile(database, sourceName, true, database.IsFilesInAssembly()))
{
using (IScaledRAInterface interface3 = ScaledRAFile.NewScaledRAFile(database, destName, false, database.IsFilesInAssembly()))
{
while (interface2.GetFilePointer() != interface2.Length())
{
int length = interface2.ReadInt();
long position = interface2.ReadLong();
byte[] b = new byte[length];
interface2.Read(b, 0, length);
interface3.Seek(position);
interface3.Write(b, 0, length);
}
}
}
}
public void Process()
{
bool flag = false;
Error.PrintSystemOut(FwNs.Core.LC.cResources.SR.DataFileDefrag_Process_Defrag_process_begins);
this._transactionRowLookup = this._database.TxManager.GetTransactionIDList();
Error.PrintSystemOut(FwNs.Core.LC.cResources.SR.DataFileDefrag_Process_transaction_count__ + this._transactionRowLookup.Size());
List <Table> allTables = this._database.schemaManager.GetAllTables();
this._rootsList = new int[allTables.Count][];
IScaledRAInterface interface2 = null;
try
{
Stream stream = this._database.logger.GetFileAccess().OpenOutputStreamElement(this._dataFileName + ".new");
this._fileStreamOut = new BufferedStream(stream, 0x1000);
for (int i = 0; i < this._cache.InitialFreePos; i++)
{
this._fileStreamOut.WriteByte(0);
}
this._fileOffset = this._cache.InitialFreePos;
int index = 0;
int count = allTables.Count;
while (index < count)
{
Table table = allTables[index];
if (table.GetTableType() == 5)
{
this._rootsList[index] = this.WriteTableToDataFile(table);
}
else
{
this._rootsList[index] = null;
}
Error.PrintSystemOut(FwNs.Core.LC.cResources.SR.DataFileDefrag_WriteTableToDataFile_table__ + table.GetName().Name + FwNs.Core.LC.cResources.SR.DataFileDefrag_Process__complete);
index++;
}
this._fileStreamOut.Flush();
this._fileStreamOut.Close();
this._fileStreamOut = null;
interface2 = ScaledRAFile.NewScaledRAFile(this._database, this._dataFileName + ".new", false, this._database.IsFilesInAssembly());
interface2.Seek(12L);
interface2.WriteLong(this._fileOffset);
int map = 0;
if (this._database.logger.PropIncrementBackup)
{
map = BitMap.Set(map, 1);
}
map = BitMap.Set(BitMap.Set(map, 4), 2);
interface2.Seek(0x1cL);
interface2.WriteInt(map);
int num4 = 0;
int length = this._rootsList.Length;
while (num4 < length)
{
int[] s = this._rootsList[num4];
if (s != null)
{
Error.PrintSystemOut(FwNs.Core.LC.cResources.SR.DataFileDefrag_Process_roots__ + StringUtil.GetList(s, ",", ""));
}
num4++;
}
flag = true;
}
catch (IOException exception)
{
throw Error.GetError(0x1c4, exception);
}
catch (OutOfMemoryException exception2)
{
throw Error.GetError(460, exception2);
}
catch (Exception exception3)
{
throw Error.GetError(0x1ca, exception3);
}
finally
{
try
{
if (this._fileStreamOut != null)
{
this._fileStreamOut.Close();
}
if (interface2 != null)
{
interface2.Dispose();
}
}
catch (Exception exception4)
{
this._database.logger.LogSevereEvent(FwNs.Core.LC.cResources.SR.DataFileDefrag_Process_backupFile_failed, exception4);
}
if (!flag)
{
this._database.logger.GetFileAccess().RemoveElement(this._dataFileName + ".new");
}
}
Error.PrintSystemOut(FwNs.Core.LC.cResources.SR.DataFileDefrag_Process_Defrag_transfer_complete__ + this._stopw.ElapsedTime());
}