[Ignore] // this is an integration test
public void StressUttServerLoadAndSubscribe()
{
// return an increasing number of trades until failure
// on a 4GB workstation, the limit is about 13,000 trades.
Trade trade = XmlSerializerHelper.DeserializeFromString <Trade>(
ResourceHelper.GetResourceWithPartialName(Assembly.GetExecutingAssembly(), "SampleSwap.xml"));
NamedValueSet tradeProps = new NamedValueSet(
ResourceHelper.GetResourceWithPartialName(Assembly.GetExecutingAssembly(), "SampleSwap.nvs"));
using (Reference <ILogger> loggerRef = Reference <ILogger> .Create(new TraceLogger(true)))
{
//NamedValueSet serverSettings = new NamedValueSet();
//serverSettings.Set(CfgPropName.NodeType, (int)NodeType.Router);
//serverSettings.Set(CfgPropName.EnvName, "UTT");
//using (CoreServer server = new CoreServer(logger, serverSettings))
{
//server.Start();
//using (ICoreClient client = new CoreClientFactory(loggerRef).SetEnv("UTT").SetHosts("localhost:8113").Create())
using (ICoreClient client = new CoreClientFactory(loggerRef).SetEnv("UTT").Create())
{
// delete the test trades
IExpression deleteExpr = Expr.ALL;
client.DeleteObjects <Trade>(deleteExpr);
const int maxLoops = 3;
const int loopRepeat = 3;
const int incrementPerLoop = 1024;
int itemsPerLoop = 1024;
int itemsSaved = 0;
for (int loop = 0; loop < maxLoops; loop++)
{
string loopName = $"Test.{loop}.";
for (int repeat = 0; repeat < loopRepeat; repeat++)
{
// create trades
loggerRef.Target.LogDebug("[{0}-{1}] Creating {2} trades...", loop, repeat, itemsPerLoop);
ICoreItem[] items = new ICoreItem[itemsPerLoop];
for (int i = 0; i < itemsPerLoop; i++)
{
string tradeName = $"Test.{loop}.{i}";
items[i] = client.MakeObject <Trade>(trade, tradeName, tradeProps);
itemsSaved++;
}
client.SaveItems(items);
// start subscription
loggerRef.Target.LogDebug("[{0}-{1}] Receiving {2} trades...", loop, repeat, itemsPerLoop);
long itemsReceived = 0;
DateTime testStartedTime = DateTime.Now;
DateTime lastReceiveTime = testStartedTime;
ISubscription subscription = client.CreateSubscription <Trade>(Expr.StartsWith(Expr.SysPropItemName, loopName));
subscription.UserCallback = delegate
{
Interlocked.Increment(ref itemsReceived);
lastReceiveTime = DateTime.Now;
};
//subscription.ExcludeDataBody = true;
subscription.Start();
// wait a bit to ensure subscription is up to date
while ((Interlocked.Add(ref itemsReceived, 0) < itemsPerLoop) && ((DateTime.Now - testStartedTime) < TimeSpan.FromSeconds(10)))
{
Thread.Sleep(100);
}
Thread.Sleep(100);
subscription.Cancel();
// load all that have been saved
loggerRef.Target.LogDebug("[{0}-{1}] Received {2} trades in {3} seconds.", loop, repeat, itemsReceived, (lastReceiveTime - testStartedTime).TotalSeconds);
Assert.AreEqual(itemsPerLoop, Interlocked.Add(ref itemsReceived, 0));
// delete the test trades
//client.DeleteObjects<Trade>(deleteExpr);
//GC.Collect();
}
// next loop
itemsPerLoop += incrementPerLoop;
} // for loop
}
}
}
}
