private bool FilterDoublePackets(PayloadPacketHeader header)
{
if (_packetIdCache.Contains(header.PacketId))
{
return(false);
}
_packetIdCache.Enqueue(header.PacketId);
while (_packetIdCache.Count > _maxPacketIdCacheSize)
{
_packetIdCache.TryDequeue(out var id);
}
return(true);
}
private void OnData(V2ExtensionPacket v2ExtensionPacket)
{
try
{
Interlocked.Increment(ref _txPacketsCounter);
PayloadPacketHeader packetInfo = null;
using (var ms = new MemoryStream(v2ExtensionPacket.Payload.Payload))
{
packetInfo = PayloadHelper.ReadData <PayloadPacketHeader>(ms);
if (FilterDoublePackets(packetInfo) == false)
{
Interlocked.Increment(ref _doublePacketsCounter);
return;
}
var data = new byte[ms.Length - ms.Position];
ms.Read(data, 0, data.Length);
var pkt = new V2Packet
{
Device = new DeviceIdentity {
ComponentId = v2ExtensionPacket.ComponenId, SystemId = v2ExtensionPacket.SystemId
},
Header = packetInfo,
Data = data,
MessageType = v2ExtensionPacket.Payload.MessageType,
};
_onData.OnNext(pkt);
}
}
catch (Exception e)
{
_logger.Warn($"Error execute data:{e.Message}");
}
}