public override async Task PerformTask(ISkraprWorker worker)
{
worker.Logger.LogDebug("{taskName} Started processing subtasks.", Name);
foreach (var task in Tasks)
{
await worker.ProcessSkraprTask(task);
}
worker.Logger.LogDebug("{taskName} Completed processing subtasks.", Name);
}
private async Task ProcessNodeTask(Tuple <long, IList <ISkraprTask> > nodeTask, ISkraprWorker worker, ActionBlock <Tuple <long, IList <ISkraprTask> > > subTaskFlow)
{
worker.Logger.LogDebug("{taskName} Started processing subtasks for nodeId {nodeId}", Name, nodeTask.Item1);
try
{
foreach (var task in nodeTask.Item2)
{
await worker.ProcessSkraprTask(task);
}
}
catch (Exception ex) when(ex is AssertionFailedException || ex is NavigationFailedException)
{
//Add it back into the queue.
subTaskFlow.Post(nodeTask);
}
catch (Exception ex) when(ex is OperationCanceledException || ex is TaskCanceledException)
{
worker.Logger.LogWarning("{taskName} is terminating due to a cancellation request.", Name);
throw;
}
catch (Exception ex)
{
worker.Logger.LogError("{taskName} An unhandled exception occurred processing subtasks for nodeId {nodeId}: {exception}", Name, nodeTask.Item1, ex);
throw;
}
worker.Logger.LogDebug("{taskName} Completed processing subtasks for nodeId {nodeId}", Name, nodeTask.Item1);
if (subTaskFlow.InputCount == 0)
{
subTaskFlow.Complete();
}
worker.Logger.LogDebug("{taskName} {count} nodes remaining", Name, subTaskFlow.InputCount);
}