public void StartCall(string methodName, CallSafeHandle call, CompletionQueueSafeHandle cq)
{
// We don't care about the payload type here.
AsyncCall <byte[], byte[]> asyncCall = new AsyncCall <byte[], byte[]>(
(payload) => payload, (payload) => payload);
asyncCall.InitializeServer(call);
var finishedTask = asyncCall.ServerSideStreamingRequestCallAsync(new NullObserver <byte[]>());
// TODO: this makes the call finish before all reads can be done which causes trouble
// in AsyncCall.HandleReadFinished callback. Revisit this.
asyncCall.SendStatusFromServerAsync(new Status(StatusCode.Unimplemented, "No such method.")).Wait();
finishedTask.Wait();
}