public static IObservable <byte> ToObservable(
this FileStream source,
int buffersize,
IScheduler scheduler)
{
var bytes = Observable.Create <byte>(o =>
{
var initialState = new StreamReaderState(source, buffersize);
var currentStateSubscription = new SerialDisposable();
Action <StreamReaderState, Action <StreamReaderState> > iterator =
(state, self) =>
currentStateSubscription.Disposable = state.ReadNext()
.Subscribe(
bytesRead =>
{
for (int i = 0; i < bytesRead; i++)
{
o.OnNext(state.Buffer[i]);
}
if (bytesRead > 0)
{
self(state);
}
else
{
o.OnCompleted();
}
},
o.OnError);
var scheduledWork = scheduler.Schedule(initialState, iterator);
return(new CompositeDisposable(currentStateSubscription, scheduledWork));
});
return(Observable.Using(() => source, _ => bytes));
}
public static IObservable <byte> ToObservable(this FileStream source, int buffersize, IScheduler scheduler)
{
return(Observable.Create <byte>(o =>
{
var initialState = new StreamReaderState(source, buffersize);
var subscription = new MultipleAssignmentDisposable();
Action <StreamReaderState, Action <StreamReaderState> > action =
(state, self) =>
{
subscription.Disposable = state.ReadNext()
.Subscribe(
bytesRead =>
{
for (int i = 0; i < bytesRead; i++)
{
o.OnNext(state.Buffer[i]);
}
if (bytesRead > 0)
{
self(state);
}
else
{
o.OnCompleted();
}
},
o.OnError);
};
var scheduledAction = scheduler.Schedule(initialState, action);
return new CompositeDisposable(scheduledAction, subscription);
}));
}
