void updateNode(LiveSystem liveSystem, QNode node)
{
var childNodes = list <LiveMarketNode>(node.children());
var totalTicks = sum(convert(childNodes, child => child.ticksReceived));
if (totalTicks == 0)
{
return;
}
var tickRate = sum(convert(childNodes, child => child.tickRate));
var tickLag = max(convert(childNodes, child => child.tickLag));
node.color = tickLag - 5000;
node.size = isEqualSizes_ ? 1 : Math.Max(1F, tickRate);
var isDown = exists(childNodes, child => child.isDown);
var downText = isDown ? "" : "DOWN ";
var lastTickProcessed = max(convert(childNodes, child => child.lastTickProcessed));
node.text =
downText +
liveSystem.pv().name() + " - " + liveSystem.id() + "\n" +
tickRate.ToString("n0") + "/min, " + tickLag + "ms\n" +
totalTicks.ToString("n0") + "\n" +
lastTickProcessed.ToString("HH:mm:ss") + "\n";
}
public void killAndRestart(QNode selected, string runOn)
{
if (selected is LiveMarketNode || selected is LiveSystemNode)
{
killAndRestart(selected.parent(), runOn);
return;
}
restart(runOn, selected.text);
}
public static void kill(QNode selected)
{
if (selected is LiveMarketNode || selected is LiveSystemNode)
{
kill(selected.parent());
return;
}
kill(selected.text);
}
public List <QNode> nodes()
{
var bySystem = new LazyDictionary <string, List <LiveSystem> > (system => new List <LiveSystem>());
each(systems, liveSystem => bySystem.get(liveSystem.siv().system()).Add(liveSystem));
var result = list(convert(bySystem.keys(), system => {
var liveSystems = bySystem.get(system);
var systemNode = new QNode(system, liveSystems.Count, 0);
each(liveSystems, liveSystem => {
var liveSystemNode = systemNode.add(new LiveSystemNode(liveSystem, 1, 0));
var liveMarkets = list <MsivPv>(liveSystem.liveMarkets());
each(liveMarkets, liveMarket => {
try {
var symbol = new Symbol(liveMarket.market());
var liveMarketNode = new LiveMarketNode(symbol, 1, 0);
liveSystemNode.add(liveMarketNode);
var topic = new Topic(liveSystem.topicName(OrderTable.prefix, symbol.name + "." + SystemHeartbeat.SUFFIX));
topic.subscribeIfNeeded();
updateModelNodes += () => updateNode(topic, liveMarket, liveMarketNode);
symbol.subscribe(bar => recordMarketDataTickReceived(liveMarket, bar.time));
topic.subscribe(fields => {
var tickTime = fields.time("lastTickProcessed");
ticks.get(liveMarket).systemProcessed(date(tickTime));
});
} catch (Exception ex) {
LogC.err("exception caught subscribing to tick data for " + liveMarket + ", " + system, ex);
gui.alertUser("exception caught susbcribing to data for " + liveMarket + ", " + system + ".\nSkipping... see log for details.");
}
});
updateModelNodes += () => updateNode(liveSystem, liveSystemNode);
});
updateModelNodes += () => updateNode(systemNode);
return(systemNode);
}));
timerManager().everyMillis(1000, updateModelNodes, out timer);
LiveLauncher.subscribeHeartbeat(gui.launcherAvailable);
LogC.ignore(timer);
return(result);
}
static void updateNode(QNode node)
{
node.size = sum(convert(node.children(), child => child.size));
node.color = max(convert(node.children(), child => child.color));
}
void setParent(QNode newParent)
{
Bomb.unlessNull(parent_, () => "parent is already set to " + parent_.text);
parent_ = newParent;
}