void timer_Elapsed(object sender, ElapsedEventArgs e)
{
BerkeleyDbStorage errorStorage = null;
BdbException bdbExc = null;
Exception regExc = null;
var errorHandleIteration = -1;
lock (disposeLock)
{
if (timer == null)
{
return; // for race condition where Elapsed event fires even after Dispose called
}
timer.Stop();
if (storage == null)
{
return;
}
if (storage.IsShuttingDown)
{
return;
}
if (storage.IsInRecovery)
{
return;
}
try
{
storage.BlockOnRecovery();
callback();
}
catch (BdbException exc)
{
errorStorage = storage;
errorHandleIteration = errorStorage.HandleIteration;
bdbExc = exc;
}
catch (Exception exc)
{
errorStorage = storage;
errorHandleIteration = errorStorage.HandleIteration;
regExc = exc;
}
}
// needed to store storage in case Dispose called after lock, but need to do error handling outside of lock
// because error handler might wind up calling Dispose, which also uses lock
if (errorStorage != null && errorHandleIteration == errorStorage.HandleIteration)
{
if (bdbExc != null)
{
errorStorage.HandleBdbError(bdbExc);
}
else
{
errorStorage.HandleGeneralError(regExc);
}
}
if (timer != null)
{
timer.Start();
}
}
