public override IObservable <ClientTermination> Listen(
QbservableServiceOptions options,
Func <IQbservableProtocol, IParameterizedQbservableProvider> providerFactory)
=> from transport in clients
from result in Observable.FromAsync(async() =>
{
// TODO: Most of this code is boiler-plate and should be moved into the core library.
var watch = Stopwatch.StartNew();
var exceptions = new List <ExceptionDispatchInfo>();
var shutdownReason = QbservableProtocolShutdownReason.None;
try
{
using (var protocol = new TestQbservableProtocol(transport.GetHashCode(), transport.NextRight, transport.Left, options))
{
var provider = providerFactory(protocol);
try
{
await protocol.ExecuteServerAsync(provider).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
exceptions.Add(ExceptionDispatchInfo.Capture(ex));
}
finally
{
shutdownReason = protocol.ShutdownReason;
}
var protocolExceptions = protocol.Exceptions;
if (protocolExceptions != null)
{
foreach (var exception in protocolExceptions)
{
exceptions.Add(exception);
}
}
}
}
catch (OperationCanceledException)
{
shutdownReason = QbservableProtocolShutdownReason.ProtocolNegotiationCanceled;
}
catch (Exception ex)
{
shutdownReason = QbservableProtocolShutdownReason.ProtocolNegotiationError;
exceptions.Add(ExceptionDispatchInfo.Capture(ex));
}
return(new ClientTermination(watch.Elapsed, shutdownReason, exceptions));
})
select result;
public ServerDuplexSink(TestQbservableProtocol protocol)
{
Protocol = protocol;
}