/// <summary>
/// Write exception to file.
/// </summary>
/// <param name="ex">Exception to write.</param>
/// <param name="maxFiles">Maximum files per same exception.</param>
/// <param name="logsFolder">Folder where exception reports will be created.</param>
/// <param name="writeAsHtml">True - write as HTML, false - write as TEXT.</param>
public void WriteException(Exception ex, int maxFiles, string logsFolder, bool writeAsHtml)
{
var ev = WritingException;
var le = new LogHelperEventArgs()
{
Exception = ex
};
if (ev != null)
{
ev(this, le);
}
if (le.Cancel)
{
return;
}
var allowToReport = AllowReportExceptionToFile(ex);
if (!allowToReport)
{
return;
}
// Must wrap into lock so that process won't attempt to delete/write same file twice from different threads.
lock (WriteLock)
{
// Create file.
var prefix = "FCE_" + ex.GetType().Name;
var ext = writeAsHtml ? "htm" : "txt";
var di = new System.IO.DirectoryInfo(logsFolder);
// Create folder if not exists.
if (!di.Exists)
{
di.Create();
}
// Get exception files ordered with oldest on top.
var files = di.GetFiles(prefix + "*." + ext).OrderBy(x => x.CreationTime).ToArray();
// Remove excess files if necessary.
if (maxFiles > 0 && files.Count() > 0 && files.Count() > maxFiles)
{
// Remove oldest file.
files[0].Delete();
}
var fileTime = HiResDateTime.Current.Now;
var fileName = string.Format("{0}\\{1}_{2:yyyyMMdd_HHmmss.ffffff}.{3}",
di.FullName, prefix, fileTime, ext);
var fi = new System.IO.FileInfo(fileName);
var content = writeAsHtml ? ExceptionInfo(ex, "") : ex.ToString();
System.IO.File.AppendAllText(fileName, content);
}
}
void _WriteFile(Exception ex, string subject, string body)
{
var ev = WritingException;
var le = new LogHelperEventArgs()
{
Exception = ex
};
if (ev != null)
{
ev(this, le);
}
if (le.Cancel)
{
return;
}
// Must wrap into lock so that process won't attempt to delete/write same file twice from different threads.
lock (WriteLock)
{
// Create file.
var prefix = "FCE_" + ex.GetType().Name;
var ext = WriteAsHtml ? ".htm" : ".txt";
var di = new System.IO.DirectoryInfo(_OverrideLogFolder ?? DefaultLogsFolder);
// Create folder if not exists.
if (!di.Exists)
{
di.Create();
}
// Get exception files ordered with oldest on top.
var files = di.GetFiles(prefix + "*." + ext).OrderBy(x => x.CreationTime).ToArray();
// Remove excess files if necessary.
if (MaxFiles > 0 && files.Length > 0 && files.Length > MaxFiles)
{
// Remove oldest file.
files[0].Delete();
}
#if NETSTANDARD
var fileTime = DateTime.Now;
#else
var fileTime = HiResDateTime.Current.Now;
#endif
var fileName = string.Format("{0}\\{1}_{2:yyyyMMdd_HHmmss.ffffff}{3}",
di.FullName, prefix, fileTime, ext);
var fi = new System.IO.FileInfo(fileName);
var content = WriteAsHtml ? ExceptionInfo(ex, body) : ex.ToString();
System.IO.File.AppendAllText(fileName, content);
}
}
/// <summary>
/// Write exception details to file.
/// </summary>
/// <param name="ex">Exception to write.</param>
/// <param name="subject">Use custom subject instead of generated from exception</param>
public void WriteException(Exception ex, string subject = null, string body = null)
{
// Check if exception can be ignored.
var le = new LogHelperEventArgs()
{
Exception = ex
};
WritingException?.Invoke(this, le);
// If Exception reporting was cancelled then return.
if (le.Cancel)
{
return;
}
Interlocked.Increment(ref ExceptionsCount);
if (!LogToFile)
{
return;
}
_GroupException(fileExceptions, ex, subject, body, _WriteFile);
}
public void WriteException(Exception ex, int maxFiles, string logsFolder, bool writeAsHtml)
{
var ev = WritingException;
var le = new LogHelperEventArgs()
{
Exception = ex
};
if (ev != null)
{
ev(this, le);
}
if (le.Cancel)
{
return;
}
// Must wrap into lock so that process won't attempt to delete/write same file twice from different threads.
lock (WriteLock)
{
var n = DateTime.Now;
var type = ex.GetType();
if (exeptionTimes.ContainsKey(type))
{
// Increase counter.
exeptionCount[type] = exeptionCount[type] + 1;
// Do not allow write if not enough time passed.
if (n.Subtract(exeptionTimes[type]).Milliseconds < 500)
{
return;
}
}
else
{
exeptionTimes.Add(type, n);
exeptionCount.Add(type, 1);
}
var count = exeptionCount[type];
// Reset count and update last write time.
exeptionCount[type] = 0;
exeptionTimes[type] = n;
// Create file.
var prefix = "FCE_" + ex.GetType().Name;
var ext = writeAsHtml ? "htm" : "txt";
var di = new System.IO.DirectoryInfo(logsFolder);
if (di.Exists)
{
var files = di.GetFiles(prefix + "*." + ext).OrderBy(x => x.CreationTime).ToArray();
if (maxFiles > 0 && files.Count() > 0 && files.Count() > maxFiles)
{
// Remove oldest file.
files[0].Delete();
}
}
else
{
di.Create();
}
//var fileTime = JocysCom.ClassLibrary.HiResDateTime.Current.Now;
var fileTime = HiResDateTime.Current.Now;
var fileName = string.Format("{0}\\{1}_{2:yyyyMMdd_HHmmss.ffffff}{3}.{4}",
di.FullName, prefix, fileTime, count == 1 ? "" : "." + count.ToString(), ext);
var fi = new System.IO.FileInfo(fileName);
var content = writeAsHtml ? ExceptionInfo(ex, "") : ex.ToString();
System.IO.File.AppendAllText(fileName, content);
}
}