public void TestEventLogs()
{
// Normal event log helpers
LogManager.Fatal("Test", "This is a fatal error test at {0}!", DateTime.Now);
LogManager.Error("Test", "This is a fatal error test at {0}!", DateTime.Now);
LogManager.Warning("Test", "This is a fatal error test at {0}!", DateTime.Now);
LogManager.Info("Test", "This is a fatal error test at {0}!", DateTime.Now);
LogManager.Verbose("Test", "This is a fatal error test at {0}!", DateTime.Now);
// Advance event log
EventLog log = new EventLog("Advance Test", EventSeverity.Error, "This is advance event log test at {0}!", DateTime.Now);
log.CapturedException = new ArgumentNullException();
log.SetEnvironment("User", "Test user");
log.SetEnvironment("Object", this);
log.SetEnvironment("Method", GetType().GetMethod("TestEventLogs"));
LogManager.Log(log);
}
/// <summary>
/// Log event
/// </summary>
/// <param name="eventLog"></param>
public void Log(EventLog eventLog)
{
if (eventLog == null || eventLog.Severity < Severity)
return;
if (Synchronize)
{ // Write the log synchronizely
try
{
WriteLog(eventLog);
}
catch (Exception err)
{
System.Diagnostics.Trace.TraceError(String.Format("Write log failed! {0}. \nException: {1}\n", eventLog.ToString(), err.ToString()));
}
}
else
{ // Write log asynchronizely, put log to the queue
_logQueue.Add(eventLog);
}
}
/// <summary>
/// Write log to file
/// </summary>
/// <param name="log"></param>
protected override void WriteLog(EventLog log)
{
// Ensure file size
CalculateFileName();
// Open file for appending log
try
{
FileStream strm = new FileStream(_curLogFile, FileMode.Append, FileAccess.Write, FileShare.Write);
StreamWriter writer = new StreamWriter(strm, Encoding.UTF8);
writer.WriteLine(log.ToString());
writer.Close();
}
catch (Exception err)
{
System.Diagnostics.Trace.TraceError(err.ToString());
throw err;
}
}
/// <summary> /// Write event log. Implementation should override this method to do real logging operation /// </summary> /// <param name="log">Event log to be written</param> protected abstract void WriteLog(EventLog log);