/// <summary>
/// I'm aware that by default, new threads are created as foreground threads, and that this thread _could_
/// have been set to be a background thread (in which case, it'd be stopped as soon as the main thread stopped.)
/// I've intentionally left it as a foreground thread, to force me to programatically shut it down.
///
/// </summary>
public static void Run()
{
// This thread randomly changes instrument prices over time.
// Each time there is a change, we need to notify attached clients too.
var rand = new Random();
do
{
// Random delay between 100ms and 500ms
int delay = rand.Next(100, 500);
Thread.Sleep(delay);
// Followed by change of price of some instrument
int instrumentIndex = rand.Next(0, InstrumentCatalogue.Count);
string key = InstrumentCatalogue.SymbolFromIndex(instrumentIndex);
// We'll do a change between 0.05% and 0.005%
decimal delta = rand.Next(5, 50) / 10000.0m;
IInstrument inst = InstrumentCatalogue.Find(key);
bool increase = rand.Next(1000) >= 500;
decimal ask = increase ? inst.CurrentAskPrice * (1.0m + delta) : inst.CurrentAskPrice * (1.0m - delta);
decimal bid = increase ? inst.CurrentBidPrice * (1.0m + delta) : inst.CurrentBidPrice * (1.0m - delta);
Debug.WriteLine("Price update for {0}, Ask: {1}, Bid: {2}", key, ask, bid);
inst.UpdatePricing(bid, ask, DateTime.Now);
} while (_keepGoing);
_waitHandle.Set();
}
