protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
if (FileConnection != null)
{
FileConnection.Dispose();
FileConnection = null;
}
}
_disposed = true;
}
// Delete the file in any case
try
{
File.Delete(LockFileName);
}
catch (Exception)
{
// Ignore
}
}
private void CloseLogFile(bool raiseOnResetEvent)
{
if (FileConnection != null)
{
FileConnection.Dispose();
FileConnection = null;
}
if (raiseOnResetEvent)
{
OnReset?.Invoke();
}
}
private void ResetInitialization()
{
lock (_syncRoot)
{
if (FileConnection != null)
{
FileConnection.Dispose();
FileConnection = null;
}
OnReset?.Invoke();
EnsureInitialize();
}
}
private void EnsureInitialize()
{
TouchLockFile();
RemoveOldLockFiles();
if (FileConnection != null)
{
return;
}
lock (_syncRoot)
{
if (FileConnection != null)
{
return;
}
DateTime creationDate = DateTime.Now;
string fileNamePrefix = creationDate.ToString("yyyyMMdd");
string fileName;
FileStream stream;
Exception ex;
for (int i = 0; i < 10; i++)
{
fileName = fileNamePrefix + (i > 0 ? "_" + i : string.Empty) + ".txt";
string filePath = Path.Combine(_logDirectoryPath, fileName);
if (!File.Exists(filePath))
{
stream = TryOpenFile(filePath, out ex);
if (stream == null)
{
// Ignoring this exception if the file has already created
if (File.Exists(filePath))
{
continue;
}
throw new Exception("Failed to create file '{0}'".FormatWith(filePath), ex);
}
FileConnection = new LogFileInfo
{
CreationDate = creationDate.Date,
StartupTime = creationDate,
FileName = fileName,
FilePath = filePath,
FileStream = stream,
OldEntries = new string[0]
};
WriteUTF8EncodingHeader(stream);
return;
}
string[] alreadyWritten;
if (!TryReadAndOpen(filePath, out alreadyWritten, out stream, out ex))
{
// Trying another file name, since the file may be in use by another process
continue;
}
FileConnection = new LogFileInfo
{
CreationDate = creationDate.Date,
StartupTime = creationDate,
FileName = fileName,
FilePath = filePath,
FileStream = stream,
OldEntries = alreadyWritten
};
return;
}
throw new InvalidOperationException("Failed to open/create a log file");
}
}
private void ResetInitialization()
{
lock (_syncRoot)
{
if (FileConnection != null)
{
FileConnection.Dispose();
FileConnection = null;
}
if (OnReset != null)
{
OnReset();
}
EnsureInitialize();
}
}
private void EnsureInitialize()
{
TouchLockFile();
RemoveOldLockFiles();
if (FileConnection != null) return;
lock (_syncRoot)
{
if (FileConnection != null) return;
DateTime creationDate = DateTime.Now;
string fileNamePrefix = creationDate.ToString("yyyyMMdd");
string fileName;
FileStream stream;
Exception ex;
for (int i = 0; i < 10; i++)
{
fileName = fileNamePrefix + (i > 0 ? "_" + i : string.Empty) + ".txt";
string filePath = Path.Combine(_logDirectoryPath, fileName);
if (!File.Exists(filePath))
{
stream = TryOpenFile(filePath, out ex);
if (stream == null)
{
// Ignoring this exception if the file has already created
if (File.Exists(filePath)) continue;
throw new Exception("Failed to create file '{0}'".FormatWith(filePath), ex);
}
FileConnection = new LogFileInfo
{
CreationDate = creationDate.Date,
StartupTime = creationDate,
FileName = fileName,
FilePath = filePath,
FileStream = stream
};
WriteUTF8EncodingHeader(stream);
return;
}
string[] alreadyWritten;
if (!TryReadAndOpen(filePath, out alreadyWritten, out stream, out ex))
{
// Trying another file name, since the file may be in use by another process
continue;
}
FileConnection = new LogFileInfo
{
CreationDate = creationDate.Date,
StartupTime = creationDate,
FileName = fileName,
FilePath = filePath,
FileStream = stream
};
return;
}
throw new InvalidOperationException("Failed to open/create a log file");
}
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
if (FileConnection != null)
{
FileConnection.Dispose();
FileConnection = null;
}
}
_disposed = true;
}
// Delete the file in any case
try
{
File.Delete(LockFileName);
}
catch (Exception)
{
// Ignore
}
}
