private string GetCurrentFilePath(TraceEventCache eventCache)
{
var result = StringTemplate.Format(CultureInfo.CurrentCulture, FilePathTemplate,
delegate(string name, out object value)
{
switch (name.ToUpperInvariant())
{
case "ACTIVITYID":
value = Trace.CorrelationManager.ActivityId;
break;
case "APPDATA":
value = traceFormatter.HttpTraceContext.AppDataPath;
break;
case "APPDOMAIN":
value = AppDomain.CurrentDomain.FriendlyName;
break;
case "APPLICATIONNAME":
value = traceFormatter.FormatApplicationName();
break;
case "DATETIME":
case "UTCDATETIME":
value = TraceFormatter.FormatUniversalTime(eventCache);
break;
case "LOCALDATETIME":
value = TraceFormatter.FormatLocalTime(eventCache);
break;
case "MACHINENAME":
value = Environment.MachineName;
break;
case "PROCESSID":
value = traceFormatter.FormatProcessId(eventCache);
break;
case "PROCESSNAME":
value = traceFormatter.FormatProcessName();
break;
case "USER":
value = Environment.UserDomainName + "-" + Environment.UserName;
break;
default:
value = "{" + name + "}";
return(true);
}
return(true);
});
return(result);
}
protected override void WriteTrace(TraceEventCache eventCache, string source, TraceEventType eventType, int id, string message, Guid?relatedActivityId, object[] data)
{
var traceTime = TraceFormatter.FormatUniversalTime(eventCache);
int maxPerHour = MaxTracesPerHour;
bool sendEmail = false;
if (maxPerHour > 0)
{
lock (floodLimitLock)
{
if (traceTime > floodLimitReset)
{
// start a new flood limit
floodLimitReset = traceTime.Add(floodLimitWindow);
floodNumberOfTraces = 0;
}
if (floodNumberOfTraces < maxPerHour)
{
floodNumberOfTraces++;
sendEmail = true;
}
}
}
else
{
sendEmail = true;
}
if (sendEmail)
{
string subject = traceFormatter.Format(SubjectTemplate, this, eventCache, source,
eventType, id, message, relatedActivityId, data);
string body = traceFormatter.Format(BodyTemplate, this, eventCache, source, eventType, id,
message, relatedActivityId, data);
// Use hidden/undocumented attribute to switch versions (for testing)
if (Attributes["poolVersion"] == "B")
{
SmtpWorkerPoolB.BeginSend(FromAddress, ToAddress, subject, body, null, null);
return;
}
SmtpWorkerPoolC.BeginSend(FromAddress, ToAddress, subject, body, null, null);
}
else
{
Debug.WriteLine("Dropped message due to flood protection.");
}
}