public void adding_multiple_same_read_message()
{
var buffer = new StreamBuffer(10, 10, -1, true);
var id1 = Guid.NewGuid();
buffer.AddReadMessage(BuildMessageAt(id1, 0));
buffer.AddReadMessage(BuildMessageAt(id1, 0));
Assert.AreEqual(2, buffer.BufferCount);
OutstandingMessage message;
Assert.IsTrue(buffer.TryDequeue(out message));
Assert.AreEqual(id1, message.EventId);
Assert.IsTrue(buffer.TryDequeue(out message));
Assert.AreEqual(id1, message.EventId);
Assert.IsFalse(buffer.Live);
}
public void HandleReadCompleted(ResolvedEvent[] events, int newposition, bool isEndOfStream)
{
lock (_lock)
{
if ((_state & PersistentSubscriptionState.OutstandingPageRequest) == 0)
{
return;
}
_state &= ~PersistentSubscriptionState.OutstandingPageRequest;
if (_streamBuffer.Live)
{
return;
}
foreach (var ev in events)
{
_streamBuffer.AddReadMessage(new OutstandingMessage(ev.OriginalEvent.EventId, null, ev, 0));
}
if (_streamBuffer.Live)
{
SetLive();
}
if (isEndOfStream)
{
SetLive();
_streamBuffer.MoveToLive();
return;
}
_lastPulledEvent = newposition;
TryReadingNewBatch();
TryPushingMessagesToClients();
}
}
public void HandleReadCompleted(ResolvedEvent[] events, long newposition, bool isEndOfStream)
{
lock (_lock)
{
if ((_state & PersistentSubscriptionState.OutstandingPageRequest) == 0) return;
_state &= ~PersistentSubscriptionState.OutstandingPageRequest;
if (_streamBuffer.Live) return;
foreach (var ev in events)
{
_streamBuffer.AddReadMessage(new OutstandingMessage(ev.OriginalEvent.EventId, null, ev, 0));
}
if (events.Length > 0)
{
_statistics.SetLastKnownEventNumber(events[events.Length - 1].OriginalEventNumber);
}
if (_streamBuffer.Live)
{
SetLive();
}
if (isEndOfStream)
{
if(_streamBuffer.TryMoveToLive()){
SetLive();
return;
}
}
_nextEventToPullFrom = newposition;
TryReadingNewBatch();
TryPushingMessagesToClients();
}
}
public void adding_multiple_same_read_message()
{
var buffer = new StreamBuffer(10, 10, -1, true);
var id1 = Guid.NewGuid();
buffer.AddReadMessage(BuildMessageAt(id1, 0));
buffer.AddReadMessage(BuildMessageAt(id1, 0));
Assert.AreEqual(2, buffer.BufferCount);
var messagePointer = buffer.Scan().First();
Assert.AreEqual(id1, messagePointer.Message.EventId);
messagePointer.MarkSent();
Assert.AreEqual(1, buffer.BufferCount);
messagePointer = buffer.Scan().First();
Assert.AreEqual(id1, messagePointer.Message.EventId);
messagePointer.MarkSent();
Assert.AreEqual(0, buffer.BufferCount);
Assert.IsFalse(buffer.Live);
}
public void adding_read_message_in_correct_order()
{
var buffer = new StreamBuffer(10, 10, -1, true);
var id = Guid.NewGuid();
buffer.AddReadMessage(BuildMessageAt(id, 0));
Assert.AreEqual(1, buffer.BufferCount);
OutstandingMessage message = buffer.Scan().First().Message;
Assert.AreEqual(id, message.EventId);
Assert.IsFalse(buffer.Live);
}
public void adding_messages_to_read_after_same_on_live_switches_to_live()
{
var buffer = new StreamBuffer(10, 10, -1, true);
var id1 = Guid.NewGuid();
buffer.AddLiveMessage(BuildMessageAt(id1, 0));
buffer.AddReadMessage(BuildMessageAt(id1, 0));
Assert.IsTrue(buffer.Live);
Assert.AreEqual(1, buffer.BufferCount);
OutstandingMessage message;
Assert.IsTrue(buffer.TryDequeue(out message));
Assert.AreEqual(id1, message.EventId);
}
public void HandleReadCompleted(ResolvedEvent[] events, IPersistentSubscriptionStreamPosition newPosition, bool isEndOfStream)
{
lock (_lock) {
if ((_state & PersistentSubscriptionState.OutstandingPageRequest) == 0)
{
return;
}
_state &= ~PersistentSubscriptionState.OutstandingPageRequest;
if (StreamBuffer.Live)
{
return;
}
foreach (var ev in events)
{
StreamBuffer.AddReadMessage(OutstandingMessage.ForNewEvent(ev, _settings.EventSource.GetStreamPositionFor(ev)));
}
if (events.Length > 0)
{
_statistics.SetLastKnownEventPosition(_settings.EventSource.GetStreamPositionFor(events[^ 1]));
public void adding_messages_to_read_after_same_on_live_switches_to_live()
{
var buffer = new StreamBuffer(10, 10, -1, true);
var id1 = Guid.NewGuid();
buffer.AddLiveMessage(BuildMessageAt(id1, 0));
buffer.AddReadMessage(BuildMessageAt(id1, 0));
Assert.IsTrue(buffer.Live);
Assert.AreEqual(1, buffer.BufferCount);
var messagePointer = buffer.Scan().First();
Assert.AreEqual(id1, messagePointer.Message.EventId);
messagePointer.MarkSent();
Assert.AreEqual(0, buffer.BufferCount);
}
public void retried_messages_appear_in_version_order()
{
var buffer = new StreamBuffer(10, 10, -1, true);
var id1 = Guid.NewGuid();
buffer.AddReadMessage(BuildMessageAt(id1, 0));
var id2 = Guid.NewGuid();
var id3 = Guid.NewGuid();
var id4 = Guid.NewGuid();
var id5 = Guid.NewGuid();
buffer.AddRetry(BuildMessageAt(id2, 2));
buffer.AddRetry(BuildMessageAt(id3, 3));
buffer.AddRetry(BuildMessageAt(id4, 1));
buffer.AddRetry(BuildMessageAt(id5, 2));
var messagePointer = buffer.Scan().First();
Assert.AreEqual(id4, messagePointer.Message.EventId);
messagePointer.MarkSent();
messagePointer = buffer.Scan().First();
Assert.AreEqual(id2, messagePointer.Message.EventId);
messagePointer.MarkSent();
messagePointer = buffer.Scan().First();
Assert.AreEqual(id5, messagePointer.Message.EventId);
messagePointer.MarkSent();
messagePointer = buffer.Scan().First();
Assert.AreEqual(id3, messagePointer.Message.EventId);
messagePointer.MarkSent();
}
public void retried_messages_appear_first()
{
var buffer = new StreamBuffer(10, 10, -1, true);
var id1 = Guid.NewGuid();
buffer.AddReadMessage(BuildMessageAt(id1, 0));
var id2 = Guid.NewGuid();
buffer.AddRetry(BuildMessageAt(id2, 2));
Assert.AreEqual(2, buffer.BufferCount);
Assert.AreEqual(1, buffer.RetryBufferCount);
Assert.AreEqual(1, buffer.ReadBufferCount);
var messagePointer = buffer.Scan().First();
Assert.AreEqual(id2, messagePointer.Message.EventId);
messagePointer.MarkSent();
Assert.AreEqual(1, buffer.BufferCount);
Assert.AreEqual(0, buffer.RetryBufferCount);
Assert.AreEqual(1, buffer.ReadBufferCount);
messagePointer = buffer.Scan().First();
Assert.AreEqual(id1, messagePointer.Message.EventId);
messagePointer.MarkSent();
Assert.AreEqual(0, buffer.BufferCount);
Assert.AreEqual(0, buffer.RetryBufferCount);
Assert.AreEqual(0, buffer.ReadBufferCount);
Assert.IsFalse(buffer.Live);
}
public void skipped_messages_are_not_removed()
{
var buffer = new StreamBuffer(10, 10, -1, true);
var id1 = Guid.NewGuid();
buffer.AddReadMessage(BuildMessageAt(id1, 0));
var id2 = Guid.NewGuid();
buffer.AddReadMessage(BuildMessageAt(id2, 1));
var id3 = Guid.NewGuid();
buffer.AddReadMessage(BuildMessageAt(id3, 2));
Assert.AreEqual(3, buffer.BufferCount);
var messagePointer2 = buffer.Scan().Skip(1).First(); // Skip the first message.
Assert.AreEqual(id2, messagePointer2.Message.EventId);
messagePointer2.MarkSent();
Assert.AreEqual(2, buffer.BufferCount);
var messagePointers = buffer.Scan().ToArray();
Assert.AreEqual(id1, messagePointers[0].Message.EventId);
Assert.AreEqual(id3, messagePointers[1].Message.EventId);
}
public void adding_messages_with_lower_in_live()
{
var buffer = new StreamBuffer(10, 10, -1, true);
var id1 = Guid.NewGuid();
var id2 = Guid.NewGuid();
buffer.AddLiveMessage(BuildMessageAt(id1, 5));
buffer.AddLiveMessage(BuildMessageAt(id1, 6));
buffer.AddLiveMessage(BuildMessageAt(id2, 7));
buffer.AddReadMessage(BuildMessageAt(id1, 7));
Assert.IsTrue(buffer.Live);
Assert.AreEqual(1, buffer.BufferCount);
var messagePointer = buffer.Scan().First();
Assert.AreEqual(id2, messagePointer.Message.EventId);
messagePointer.MarkSent();
Assert.AreEqual(0, buffer.BufferCount);
}
public void adding_messages_with_lower_in_live()
{
var buffer = new StreamBuffer(10, 10, -1, true);
var id1 = Guid.NewGuid();
var id2 = Guid.NewGuid();
buffer.AddLiveMessage(BuildMessageAt(id1, 5));
buffer.AddLiveMessage(BuildMessageAt(id1, 6));
buffer.AddLiveMessage(BuildMessageAt(id2, 7));
buffer.AddReadMessage(BuildMessageAt(id1, 7));
Assert.IsTrue(buffer.Live);
Assert.AreEqual(1, buffer.BufferCount);
OutstandingMessage message;
Assert.IsTrue(buffer.TryDequeue(out message));
Assert.AreEqual(id2, message.EventId);
}
