private async Task <ITransport> AcceptWebSocketAsync(HttpListenerContext httpListenerContext)
{
try
{
if (!httpListenerContext.Request.IsWebSocketRequest)
{
httpListenerContext.Response.StatusCode = 400;
httpListenerContext.Response.Close();
return(null);
}
var context = await httpListenerContext.AcceptWebSocketAsync(
LimeUri.LIME_URI_SCHEME, _bufferSize, _keepAliveInterval)
.WithCancellation(_acceptTransportCts.Token)
.ConfigureAwait(false);
return(new ServerWebSocketTransport(context, _envelopeSerializer, _traceWriter, _bufferSize));
}
catch (OperationCanceledException) when(_acceptTransportCts.IsCancellationRequested)
{
}
catch (Exception ex)
{
ListenerException.RaiseEvent(this, new ExceptionEventArgs(ex));
}
return(null);
}
private async Task AcceptTransportsAsync()
{
while (!_acceptTransportCts.IsCancellationRequested)
{
try
{
var httpContext = await _httpListener
.GetContextAsync()
.WithCancellation(_acceptTransportCts.Token)
.ConfigureAwait(false);
await _httpListenerContextBufferBlock
.SendAsync(httpContext, _acceptTransportCts.Token)
.ConfigureAwait(false);
}
catch (OperationCanceledException) when(_acceptTransportCts.IsCancellationRequested)
{
break;
}
catch (Exception ex)
{
var args = new ExceptionEventArgs(ex);
ListenerException.RaiseEvent(this, new ExceptionEventArgs(ex));
await args.WaitForDeferralsAsync();
}
}
}