private void ExecutableTimer_Elapsed(object sender, ElapsedEventArgs e)
{
//Checking whether previous executing tasks have finished. If yes, return, else beginning new execution
if (Interlocked.Exchange(ref _isLock, 1) != 0)
{
return;
}
Logger.WriteLog(LogLevel.Info, "Searching instances and collecting data have started");
lock (_lockObject)
{
//Running tasks
List <Task> serviceTasks = new List <Task>()
{
Task.Factory.StartNew(() => Searcher.InstanceSearch()),
Task.Factory.StartNew(() => Collector.CollectData())
};
//Waiting for both tasks to finish and handling exceptions if have been raised
try
{
Task.WaitAll(serviceTasks.ToArray());
Logger.WriteLog(LogLevel.Info, "Searching instances and collecting data have successfully finished");
}
catch (AggregateException ex)
{
foreach (Exception innerException in ex.Flatten().InnerExceptions)
{
Logger.WriteLog(LogLevel.Error, "Exception has occurred", innerException);
}
}
}
//Signaling that service can start new execution
Interlocked.Exchange(ref _isLock, 0);
}