public override void TraceData(System.Diagnostics.TraceEventCache eventCache, string source, System.Diagnostics.TraceEventType eventType, int id, object data)
{
var logEntry = (Microsoft.Practices.EnterpriseLibrary.Logging.LogEntry)data;
var fileLogEntry = new LogEntry
{
TimeStamp = logEntry.TimeStamp.Add(TimeZoneAdjustment),
ApplicationDomainId = AppDomain.CurrentDomain.Id,
ThreadId = System.Threading.Thread.CurrentThread.ManagedThreadId,
Message = logEntry.Message,
Severity = logEntry.Severity.ToString(),
};
string title = logEntry.Title;
title = title.Substring(title.IndexOf(')') + 2); // Removing ({AppDomainId} - {ThreadId}}) prefix.
// Extracting display options from title
if (title.StartsWith("RGB("))
{
fileLogEntry.DisplayOptions = title.Substring(0, title.IndexOf(')') + 1);
title = title.Substring(fileLogEntry.DisplayOptions.Length);
}
fileLogEntry.Title = title;
LoggerInstance.WriteEntry(fileLogEntry);
}
public static LogEntry Parse(string serializedLogEntry)
{
Verify.ArgumentNotNull(serializedLogEntry, "serializedLogEntry");
if(serializedLogEntry.IndexOf((char)65533) == -1
&& serializedLogEntry.IndexOf((char)160) == -1)
{
return null;
}
string[] parts = serializedLogEntry.Split((char)65533);
if(parts.Length != 8)
{
parts = serializedLogEntry.Split((char)160);
}
if(parts.Length != 8)
{
return null;
}
var result = new LogEntry();
try
{
string date = parts[0] + parts[1];
DateTime timeStamp;
if (!DateTime.TryParseExact(date, "yyyyMMddHH:mm:ss.ffff",
CultureInfo.InvariantCulture.DateTimeFormat, DateTimeStyles.None,
out timeStamp))
{
return null;
}
result.TimeStamp = timeStamp;
result.ApplicationDomainId = int.Parse(parts[2]);
result.ThreadId = int.Parse(parts[3]);
result.Severity = parts[4];
result.Title = parts[5];
result.DisplayOptions = parts[6];
result.Message = parts[7];
}
catch(Exception)
{
return null;
}
return result;
}
public void WriteEntry(LogEntry entry)
{
string logLine = entry.ToString();
byte[] bytes = Encoding.UTF8.GetBytes(logLine + "\n");
EnsureInitialize();
lock (_syncRoot)
{
FileConnection.NewEntries.Add(entry);
// Checking whether we should change the file after midnight
int dayNumber = entry.TimeStamp.Day;
if (dayNumber != FileConnection.CreationDate.Day
&& dayNumber == DateTime.Now.Day)
{
ResetInitialization();
}
// Writing the file in the "catch" block in order to prevent chance of corrupting the file by experiencing ThreadAbortException.
Exception thrownException = null;
try
{
}
finally
{
try
{
FileConnection.FileStream.Write(bytes, 0, bytes.Length);
if (_flushImmediately)
{
FileConnection.FileStream.Flush();
}
}
catch (Exception exception)
{
thrownException = exception;
}
}
// ThreadAbortException should have a higher priority, and therefore we're doing rethrow in a separate block
if (thrownException != null) throw thrownException;
}
}
