public static string InstrumentedDownload(this WebRequest request, Func <WebRequest, String> downloader)
{
var stopwatch = Stopwatch.StartNew();
var url = request.RequestUri.AbsoluteUri;
Logger.LogDebug("Download", nameof(url), url, "Proxy", request.GetProxyString());
try
{
var result = downloader(request);
var kbytes = Convert.ToInt32(result.Length / 1024);
stopwatch.Stop();
Logger.LogInfo("Download", "KBytes", kbytes, "Result", true, "ElapsedMs", stopwatch.ElapsedMilliseconds);
return(result);
}
catch (WebException e)
{
stopwatch.Stop();
Logger.LogError("Download Error", e, nameof(url), url, "ElapsedMs", stopwatch.ElapsedMilliseconds);
throw;
}
}
private void CheckDeadlock()
{
double inactivityPeriodMs;
lock (_statusLock)
{
inactivityPeriodMs = (DateTime.UtcNow - _lastStatus).TotalMilliseconds;
}
if (inactivityPeriodMs > TimeoutMs)
{
Logger.LogError("Deadlock Detected", nameof(TimeoutMs), TimeoutMs, nameof(inactivityPeriodMs), inactivityPeriodMs);
AbortProgram();
}
}
private void LogUnhandledException(object sender, UnhandledExceptionEventArgs args)
{
Logger.LogError("App Domain Unhandled Exception",
args.ExceptionObject,
"IsTerminating", args.IsTerminating);
}
