public void When_multiple_messages_written_then_they_are_consumed_in_order_leaving_nothing()
{
var guidMessages = new GuidMessageReaderWriter();
var store = new SegmentChainMessageStore(guidMessages, _pool);
var lowerBoundEstimationOfMessagesPerSegment = SingleThreadSegmentPool.SegmentSize / sizeof(Guid);
var atLeastTwoSegmentsOfMessages = lowerBoundEstimationOfMessagesPerSegment * 2;
var guids = Enumerable.Range(0, atLeastTwoSegmentsOfMessages).Select(i => Guid.NewGuid()).ToArray();
var env = new Envelope();
var head = default(Segment *);
fixed(Guid *g = guids)
{
for (var i = 0; i < guids.Length; i++)
{
store.Write(ref env, ref *(g + i), ref head);
}
}
store.Consume(guidMessages.MessageHandler, ref head);
CollectionAssert.AreEquivalent(guids, guidMessages.Received);
// nothing is left
guidMessages.Received.Clear();
store.Consume(guidMessages.MessageHandler, ref head);
CollectionAssert.IsEmpty(guidMessages.Received);
}
public void When_multiple_messages_written_then_they_are_consumed_in_order_leaving_nothing()
{
var guidMessages = new GuidMessageReaderWriter();
var store = new SegmentChainMessageStore(guidMessages, _pool);
var lowerBoundEstimationOfMessagesPerSegment = SingleThreadSegmentPool.SegmentSize/sizeof (Guid);
var atLeastTwoSegmentsOfMessages = lowerBoundEstimationOfMessagesPerSegment*2;
var guids = Enumerable.Range(0, atLeastTwoSegmentsOfMessages).Select(i => Guid.NewGuid()).ToArray();
var env = new Envelope();
var head = default(Segment*);
fixed (Guid* g = guids)
{
for (var i = 0; i < guids.Length; i++)
{
store.Write(ref env, ref *(g + i), ref head);
}
}
store.Consume(guidMessages.MessageHandler, ref head);
CollectionAssert.AreEquivalent(guids, guidMessages.Received);
// nothing is left
guidMessages.Received.Clear();
store.Consume(guidMessages.MessageHandler, ref head);
CollectionAssert.IsEmpty(guidMessages.Received);
}
public TimerWheel(ActorId thisActor, ISegmentPool pool, IMessageWriter writer, MessageHandler handler,
TimeSpan tickLength, Func <long> getTicks, long ticksPerSecond)
{
_envelope = new Envelope(thisActor);
_pool = pool;
_handler = handler;
_getTicks = getTicks;
_store = new SegmentChainMessageStore(writer, pool);
var segment = _pool.Pop();
_wheel = (Segment **)segment->Buffer;
_segment = segment;
// ensure clean wheel
for (var i = 0; i < TimeoutsPerSegment; i++)
{
_wheel[i] = null;
}
_ticksPerMilisecond = ticksPerSecond / 1000;
_clockTickDurationInStopWatch = (long)tickLength.TotalMilliseconds * _ticksPerMilisecond;
_startTime = _getTicks();
}
