public void ErlSubscribe()
{
const int CNT = 10;
const int PERIOD_MS = 250;
/*
* ErlApp.Node.TraceLevel = ErlTraceLevel.Send;
* ErlApp.Node.Trace += (object sender, ErlTraceLevel type, Direction dir, string message) =>
* {
* if (message.StartsWith("REGSEND"))
* Console.WriteLine(message);
* };
*/
var qry = new Query("CRUD.WorldNews")
{
new Query.Param("Count", CNT),
new Query.Param("Period", PERIOD_MS)
};
var mail = store.OpenMailbox("News");
mail.BufferCapacity = 100;
var callCount = 0;
var done = 0;
mail.Receipt += delegate(Subscription subscription, Mailbox recipient, CRUDSubscriptionEvent data, Exception error)
{
if (data.Row != null)
{
System.Threading.Interlocked.Increment(ref callCount);
if (callCount >= CNT)
{
System.Threading.Interlocked.Increment(ref done);
}
}
};
var subscribe = store.Subscribe("NewsFeed", qry, mail);
var sw = Stopwatch.StartNew();
var maxWaitMs = 2 * (CNT * PERIOD_MS);
while (done == 0 && sw.ElapsedMilliseconds < maxWaitMs)
{
System.Threading.Thread.Sleep(500);
}
Assert.AreEqual(CNT, callCount);
var buffered = mail.Buffered;
Console.WriteLine(buffered.ToJSON(JSONWritingOptions.PrettyPrintRowsAsMap));
}
