/// <summary>
/// Reads all log messages from the supplied file.
/// </summary>
public static void Compact(ICollection<string> inputFileNames, string outputFileName)
{
LogCollection logs = new LogCollection();
foreach (var file in inputFileNames)
{
using (var stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
{
if (stream.ReadBoolean())
{
//Wrong File Version
break;
}
if (stream.ReadNextByte() != 1)
{
//Wrong File Version
break;
}
using (var zipStream = new DeflateStream(stream, CompressionMode.Decompress, true))
using (var bs = new BufferedStream(zipStream, 8192))
{
while (bs.ReadBoolean())
{
var message = new LogMessage(bs);
logs.Pass1(message);
}
}
}
}
logs.Compact();
foreach (var file in inputFileNames)
{
using (var stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
{
if (stream.ReadBoolean())
{
//Wrong File Version
break;
}
if (stream.ReadNextByte() != 1)
{
//Wrong File Version
break;
}
using (var zipStream = new DeflateStream(stream, CompressionMode.Decompress, true))
using (var bs = new BufferedStream(zipStream, 8192))
{
while (bs.ReadBoolean())
{
var message = new LogMessage(bs);
logs.Pass2(message);
}
}
}
}
logs.Save(outputFileName);
}
/// <summary>
/// Reads all log messages from the supplied file.
/// </summary>
public static List<LogMessage> Read(string logFileName)
{
List<LogMessage> lst = new List<LogMessage>();
FilePath.ValidatePathName(logFileName);
using (var stream = new FileStream(logFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete))
{
try
{
LogMessageSaveHelper helper;
int version = stream.ReadInt32();
switch (version)
{
case 282497:
helper = LogMessageSaveHelper.Create(); //VersionNumber: Compressed. With LogSaveHelper
break;
default:
throw new VersionNotFoundException();
}
using (var zipStream = new DeflateStream(stream, CompressionMode.Decompress, true))
using (var bs = new BufferedStream(zipStream))
{
while (bs.ReadBoolean())
{
var message = new LogMessage(bs, helper);
lst.Add(message);
}
bs.Dispose();
}
}
catch (EndOfStreamException)
{
}
catch (ZlibException)
{
}
}
return lst;
}
