protected virtual void OnClientErrorOccured(TcpClientErrorEventArgs e)
{
this.ClientErrorOccured?.Invoke(this, e);
}
protected virtual async Task HandleTcpClientAsync(TcpClient tcpClient, CancellationToken token)
{
using (tcpClient)
using (var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(token))
{
var sendQueue = this.CreateSendQueueActionBlock(linkedCts.Token);
RemoteTcpPeer remoteTcpPeer;
SslStream sslStream = null;
try
{
if (this.Config.UseSsl)
{
sslStream = this.CreateSslStream(tcpClient);
await this.AuthenticateSslStream(tcpClient, sslStream, linkedCts.Token)
.ConfigureAwait(false);
remoteTcpPeer = this.CreateRemoteTcpPeer(tcpClient, sslStream, sendQueue, linkedCts);
}
else
{
remoteTcpPeer = this.CreateRemoteTcpPeer(tcpClient, sendQueue, linkedCts);
}
}
catch (AuthenticationException ex)
{
var clientErrorEventArgs = new TcpClientErrorEventArgs(new ErrorData(ex));
this.OnClientErrorOccured(clientErrorEventArgs);
sendQueue.Complete();
sslStream?.Dispose();
return;
}
catch (Exception)
{
sendQueue.Complete();
return;
}
using (remoteTcpPeer)
{
var connectionEstablishedEventArgs = new ConnectionEstablishedEventArgs(new ConnectionEstablishedData(remoteTcpPeer));
this.OnConnectionEstablished(connectionEstablishedEventArgs);
try
{
await this.HandleRemotePeerAsync(remoteTcpPeer, linkedCts.Token).ConfigureAwait(false);
}
catch (Exception ex)
{
var unhandledErrorEventArgs = new UnhandledErrorEventArgs(new ErrorData(ex));
this.OnUnhandledError(unhandledErrorEventArgs);
}
finally
{
sendQueue.Complete();
sslStream?.Dispose();
}
}
}
}