private PeerStatistics GetPeerStatistics(IPEndPoint peerEndPoint)
{
if (!this.peersStatistics.TryGetValue(peerEndPoint, out PeerStatistics statistics))
{
// ensures no other threads have created already an entry between existence check and lock acquisition.
if (!this.peersStatistics.TryGetValue(peerEndPoint, out statistics))
{
statistics = new PeerStatistics(this.diagnosticSettings.MaxPeerLoggedEvents, peerEndPoint);
this.peersStatistics.Add(peerEndPoint, statistics);
}
}
return(statistics);
}
private Task UpdatePeerStatistics(PeerEventBase peerEvent, CancellationToken cancellation)
{
PeerStatistics statistics = GetPeerStatistics(peerEvent.PeerEndPoint);
switch (peerEvent)
{
case PeerConnected @event:
statistics.Inbound = @event.Inbound;
statistics.LogEvent($"Peer Connected");
break;
case PeerConnectionAttempt @event:
statistics.Inbound = @event.Inbound;
statistics.LogEvent($"Attempting Connection");
break;
case PeerConnectionAttemptFailed @event:
statistics.Inbound = @event.Inbound;
statistics.LogEvent($"Connection attempt FAILED. Reason: {@event.Reason}.");
break;
case PeerDisconnected @event:
statistics.Inbound = @event.Inbound;
statistics.LogEvent($"Disconnected. Reason: {@event.Reason}. Exception: {@event.Exception?.ToString()}");
break;
case PeerMessageReceived @event:
statistics.ReceivedMessages++;
statistics.BytesReceived += @event.MessageSize;
statistics.LogEvent($"Message Received: {@event.Message.Payload.Command}");
break;
case PeerMessageSent @event:
statistics.SentMessages++;
statistics.BytesSent += @event.Size;
statistics.LogEvent($"Message Sent: {@event.Message.Payload.Command}");
break;
case PeerMessageSendFailure @event:
statistics.LogEvent($"Message Send Failure: {@event.Message?.Payload.Command}. Exception: {@event.Exception?.ToString()}");
break;
}
return(Task.CompletedTask);
}