public Log(string fileNamePrefix, LogHeaderFormatter headerFormatter, string logComponent, bool handleKnownExceptions)
{
this.headerFormatter = headerFormatter;
this.fileNamePrefix = fileNamePrefix;
this.logComponent = logComponent;
this.handleKnownExceptions = handleKnownExceptions;
this.maxWaitAppendCount = 50;
}
public Stream GetLogFile(DateTime forDate, LogHeaderFormatter logHeaderFormatter, bool forceLogFileRollOver)
{
if (this.logFile != null)
{
try
{
if (forceLogFileRollOver || !this.logFileId.SameLogSeries(forDate, this) || (this.maxLogFileSize > 0L && this.logFile.Position > this.maxLogFileSize))
{
this.logFile.Close();
this.logFile = null;
}
}
catch (ObjectDisposedException)
{
this.logFile = null;
}
}
if (this.logFile == null)
{
lock (this.fileRollOverLock)
{
if (this.logFile == null)
{
SortedList <LogDirectory.LogFileId, FileInfo> logFileList = this.GetLogFileList();
int num = this.EnforceDirectorySizeQuota(logFileList);
if (num > 0)
{
Log.EventLog.LogEvent(CommonEventLogConstants.Tuple_DeleteLogDueToQuota, null, new object[]
{
this.logComponent,
this.FullName,
this.maxDirectorySize,
num
});
LogDirectory.OnDirSizeQuotaExceededHandler onDirSizeQuotaExceeded = this.OnDirSizeQuotaExceeded;
if (onDirSizeQuotaExceeded != null)
{
onDirSizeQuotaExceeded(this.logComponent, this.FullName, this.maxDirectorySize, num);
}
}
if (this.maxAge < TimeSpan.MaxValue)
{
this.DeleteOldLogFiles(logFileList, num, forDate - this.maxAge);
}
bool startNewLog = forceLogFileRollOver || (logHeaderFormatter != null && logHeaderFormatter.CsvOption == LogHeaderCsvOption.CsvStrict);
bool flag2 = false;
this.logFileId = this.GenerateLogFileId(logFileList, forDate, startNewLog, out flag2);
int i = 0;
while (i < 20)
{
try
{
this.logFile = new LogDirectory.BufferedStream(this.GetLogFileNameFromId(this.logFileId), this.bufferLength, this.flushToDisk);
if (this.maxLogFileSize > 0L && this.logFile.Position > this.maxLogFileSize)
{
this.logFile.Close();
this.logFile = null;
}
}
catch (IOException)
{
this.logFile = null;
}
if (this.logFile == null)
{
this.logFileId = this.logFileId.Next;
flag2 = true;
i++;
}
else
{
if (logHeaderFormatter != null && flag2)
{
logHeaderFormatter.Write(this.logFile, forDate);
}
if (this.streamFlushTimer == null && this.streamFlushInterval != TimeSpan.MaxValue)
{
this.streamFlushTimer = new Timer(new TimerCallback(this.FlushStream), null, TimeSpan.Zero, this.streamFlushInterval);
break;
}
break;
}
}
}
}
}
return(this.logFile);
}
public Log(string fileNamePrefix, LogHeaderFormatter headerFormatter, string logComponent) : this(fileNamePrefix, headerFormatter, logComponent, true)
{
}
