public static IList <T> Read <T>(byte[] bytes, long offset, Func <IBinaryBufferReader, IHerculesEventBuilder <T> > eventBuilderProvider, ILog log)
{
var reader = new BinaryBufferReader(bytes, offset)
{
Endianness = Endianness.Big
};
var count = reader.ReadInt32();
var result = new List <T>(count);
for (var i = 0; i < count; i++)
{
var startPosition = reader.Position;
try
{
result.Add(ReadEvent(reader, eventBuilderProvider(reader)));
}
catch (Exception e)
{
log.Error(e, "Failed to read event from position {Position}.", startPosition);
reader.Position = startPosition;
ReadEvent(reader, DummyEventBuilder.Instance);
}
}
return(result);
}
protected private void HandleEvents(RawReadStreamPayload result, StreamCoordinates queryCoordinates)
{
int count;
using (new OperationContextToken("HandleEvents"))
using (var operationSpan = tracer.BeginConsumerCustomOperationSpan("HandleEvents"))
using (iterationMetric?.For("handle_time").Measure())
{
// ReSharper disable once AssignNullToNotNullAttribute
var reader = new BinaryBufferReader(result.Content.Array, result.Content.Offset)
{
Endianness = Endianness.Big
};
count = reader.ReadInt32();
for (var i = 0; i < count; i++)
{
var startPosition = reader.Position;
try
{
var @event = EventsBinaryReader.ReadEvent(reader, settings.EventBuilderProvider(reader));
settings.OnEvent?.Invoke(@event, queryCoordinates);
}
catch (Exception e)
{
log.Error(e, "Failed to read event from position {Position}.", startPosition);
reader.Position = startPosition;
EventsBinaryReader.ReadEvent(reader, DummyEventBuilder.Instance);
}
}
operationSpan.SetOperationDetails(count);
LogProgress(count);
}
if (count == 0)
{
Thread.Sleep(settings.DelayOnNoEvents);
}
}
