private void Loop_Tick(object sender, EventArgs e)
{
switch (programState)
{
// idle
default:
case 0:
break;
// poll nodes
case 1:
CurrentNodes = new ArrayList();
CurrentNodes.AddRange(Comms.PollNodes());
DisplayNodes(CurrentNodes);
break;
// alert node
case 2:
AlertNodes(AlertingNodes);
break;
// alert failed
case 3:
_ = MessageBox.Show("Failed to alert");
programState = 1;
break;
// poll alert responses and nodes
case 4:
CurrentNodes = new ArrayList();
CurrentNodes.AddRange(Comms.PollNodes());
AlertingNodes = new ArrayList();
AlertingNodes.AddRange
(
Comms.PollAlertingNodes((AlertNode[])CurrentNodes.ToArray(typeof(AlertNode)))
);
DisplayNodes(CurrentNodes);
if (AlertingNodes.Count == 0)
{
programState = 1;
}
break;
}
}
private void AlertNodes(ArrayList nodes)
{
if (alertAtempts == 5)
{
programState = 3;
}
else if (nodes.Count == 0)
{
programState = 1;
}
else
{
bool success = true;
foreach (AlertNode alertNode in nodes)
{
success = success && Comms.AlertNode(alertNode);
}
programState = success ? 4 : 2;
alertAtempts = success ? 0 : alertAtempts + 1;
}
}