// Parse, filter and output a captured packet
private void Process(TimestampedData timestampedData)
{
// Only parse the packet if we need to filter or raise an event
if (PacketCaptured != null || this.filters.PropertyFilters.Any())
{
try
{
var packet = this.packetParser.Parse(timestampedData.Data, timestampedData.Timestamp);
if (!this.filters.IsMatch(packet))
{
return;
}
try
{
PacketCaptured?.Invoke(packet);
}
catch (Exception ex)
{
this.logger.LogWarning(ex, "Unhandled error in event handler: {ErrorMessage}", ex.Message);
}
}
catch (Exception ex)
{
this.logger.LogWarning(ex, "Unable to parse packet of {Length} bytes received at {Timestamp}: {ErrorMessage}",
timestampedData.Data.Length, timestampedData.Timestamp, ex.Message);
return;
}
}
this.output?.Output(timestampedData);
this.Statistics.IncrementCaptured();
}
/// <summary>
/// Rises the PacketCaptured event with the given frame
/// </summary>
/// <param name="fFrame">The frame which was captured</param>
protected void InvokePacketCaptured(Frame fFrame)
{
if (PacketCaptured != null)
{
foreach (Delegate dDelgate in PacketCaptured.GetInvocationList())
{
if (dDelgate.Target != null && dDelgate.Target is DirectInterfaceIOHandler)
{
((DirectInterfaceIOHandler)dDelgate.Target).OnPacketCaptured(fFrame, this);
}
else if (dDelgate.Target != null && dDelgate.Target is System.ComponentModel.ISynchronizeInvoke &&
((System.ComponentModel.ISynchronizeInvoke)(dDelgate.Target)).InvokeRequired)
{
((System.ComponentModel.ISynchronizeInvoke)(dDelgate.Target)).BeginInvoke(dDelgate, new object[] { fFrame, this });
}
else
{
((PacketCapturedHandler)dDelgate)(fFrame, this);
}
}
}
}
