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public static Create ( bool isSimple = false ) : |
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| isSimple | bool | |
| return | ||
/// <summary>
/// Creates a LogFileWriter that initially queues message
/// </summary>
public LogFileWriterInMemory()
{
m_saveHelper = LogMessageSaveHelper.Create();
m_stream = new MemoryStream();
m_stream.Write(282497); //VersionNumber: Compressed. With LogSaveHelper
m_zipStream = new DeflateStream(m_stream, CompressionMode.Compress, CompressionLevel.Level1, true);
m_zipStream.FlushMode = FlushType.Sync;
m_tmpBuffer = new byte[40960];
m_tmpStream = new MemoryStream();
m_logCount = 0;
}
/// <summary>
/// Creates a LogFileWriter that initially queues message
/// </summary>
public LogFileWriter(string logFileName)
{
CompressionLevel level = CompressionLevel.Level1;
FileName = logFileName;
m_saveHelper = LogMessageSaveHelper.Create();
FilePath.ValidatePathName(logFileName);
m_stream = new FileStream(logFileName, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.Read);
m_stream.Write(282497); //VersionNumber: Compressed. With LogSaveHelper
m_zipStream = new DeflateStream(m_stream, CompressionMode.Compress, level, true);
m_zipStream.FlushMode = FlushType.Sync;
m_tmpBuffer = new byte[40960];
m_tmpStream = new MemoryStream();
m_logCount = 0;
m_syncRoot = new object();
}
/// <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);
}
/// <summary>
/// Writes the log data to the stream
/// </summary>
/// <param name="stream"></param>
/// <param name="saveHelper"></param>
internal void Save(Stream stream, LogMessageSaveHelper saveHelper = null)
{
if (saveHelper == null)
{
saveHelper = LogMessageSaveHelper.Create(true);
}
stream.Write((byte)4);
saveHelper.SaveEventPublisherDetails(stream, EventPublisherDetails);
saveHelper.SaveStackMessages(stream, InitialStackMessages);
saveHelper.SaveStackTrace(stream, InitialStackTrace);
saveHelper.SaveStackMessages(stream, CurrentStackMessages);
saveHelper.SaveStackTrace(stream, CurrentStackTrace);
stream.Write(UtcTime);
LogMessageAttributes.Save(stream);
saveHelper.SaveString(stream, Message);
saveHelper.SaveString(stream, Details);
saveHelper.SaveString(stream, ExceptionString);
stream.Write(ManagedThreadID);
stream.Write(PreviousFirstChanceExceptionSequenceNumber);
}
/// <summary>
/// Loads a log messages from the supplied stream
/// </summary>
/// <param name="stream">the stream to load the log message from.</param>
/// <param name="saveHelper">A save helper that will condense objects</param>
internal LogMessage(Stream stream, LogMessageSaveHelper saveHelper = null)
{
if (saveHelper == null)
{
saveHelper = LogMessageSaveHelper.Create(true);
}
byte version = stream.ReadNextByte();
switch (version)
{
case 1:
EventPublisherDetails = saveHelper.LoadEventPublisherDetails(stream);
InitialStackMessages = saveHelper.LoadStackMessages(stream);
InitialStackTrace = saveHelper.LoadStackTrace(stream);
CurrentStackMessages = saveHelper.LoadStackMessages(stream);
CurrentStackTrace = saveHelper.LoadStackTrace(stream);
UtcTime = stream.ReadDateTime();
LogMessageAttributes = new LogMessageAttributes(stream);
Message = stream.ReadString();
Details = stream.ReadString();
Exception = null;
ExceptionString = stream.ReadString();
ManagedThreadID = -1;
PreviousFirstChanceExceptionSequenceNumber = -1;
break;
case 2:
EventPublisherDetails = saveHelper.LoadEventPublisherDetails(stream);
InitialStackMessages = saveHelper.LoadStackMessages(stream);
InitialStackTrace = saveHelper.LoadStackTrace(stream);
CurrentStackMessages = saveHelper.LoadStackMessages(stream);
CurrentStackTrace = saveHelper.LoadStackTrace(stream);
UtcTime = stream.ReadDateTime();
LogMessageAttributes = new LogMessageAttributes(stream);
Message = stream.ReadString();
Details = stream.ReadString();
Exception = null;
ExceptionString = stream.ReadString();
ManagedThreadID = stream.ReadInt32();
PreviousFirstChanceExceptionSequenceNumber = -1;
break;
case 3:
EventPublisherDetails = saveHelper.LoadEventPublisherDetails(stream);
InitialStackMessages = saveHelper.LoadStackMessages(stream);
InitialStackTrace = saveHelper.LoadStackTrace(stream);
CurrentStackMessages = saveHelper.LoadStackMessages(stream);
CurrentStackTrace = saveHelper.LoadStackTrace(stream);
UtcTime = stream.ReadDateTime();
LogMessageAttributes = new LogMessageAttributes(stream);
Message = saveHelper.LoadString(stream);
Details = saveHelper.LoadString(stream);
Exception = null;
ExceptionString = saveHelper.LoadString(stream);
ManagedThreadID = stream.ReadInt32();
PreviousFirstChanceExceptionSequenceNumber = -1;
break;
case 4:
EventPublisherDetails = saveHelper.LoadEventPublisherDetails(stream);
InitialStackMessages = saveHelper.LoadStackMessages(stream);
InitialStackTrace = saveHelper.LoadStackTrace(stream);
CurrentStackMessages = saveHelper.LoadStackMessages(stream);
CurrentStackTrace = saveHelper.LoadStackTrace(stream);
UtcTime = stream.ReadDateTime();
LogMessageAttributes = new LogMessageAttributes(stream);
Message = saveHelper.LoadString(stream);
Details = saveHelper.LoadString(stream);
Exception = null;
ExceptionString = saveHelper.LoadString(stream);
ManagedThreadID = stream.ReadInt32();
PreviousFirstChanceExceptionSequenceNumber = stream.ReadInt32();
break;
default:
throw new VersionNotFoundException();
}
}