public PullResponse Pull(PullRequest request)
{
//TODO: Check URI
PullSubscription subsciption;
if (request.EnumerationContext == null || !_subscriptions.TryGetValue(request.EnumerationContext.Text, out subsciption))
{
throw Faults.InvalidEnumerationContext.Create();
}
EnumerationModeExtension.Activate(EnumerationMode.EnumerateObjectAndEPR, subsciption.EventType);
int maxElements = request.MaxElements != null
? request.MaxElements.Value
: 1;
TimeSpan maxTime = request.MaxTime != null
? request.MaxTime.Value
: TimeSpan.FromSeconds(10);
EnumerationItemList items = new EnumerationItemList(PullItems(subsciption.Buffer.FetchNotifications(maxElements, maxTime)));
//R7.2.13-5
if (items.Items.Count() == 0)
{
throw Faults.TimedOut.Create();
}
return(new PullResponse
{
Items = items,
EndOfSequence = null,
EnumerationContext = request.EnumerationContext
});
}
private OutgoingMessage Pull(IncomingMessage requestMessage)
{
var response = CreatePullResponse();
var request = requestMessage.GetPayload<PullRequest>();
IPullHandler handler;
var context = request.EnumerationContext.Text;
lock (_handlers)
{
if (!_handlers.TryGetValue(context, out handler))
{
throw new InvalidEnumerationContextFaultException();
}
}
var maxElements = GetMaxElements(request);
var maxTime = GetMaxTime(request);
var pullResult = handler.Pull(maxElements, maxTime, context);
var items = new EnumerationItemList(pullResult.Items, pullResult.EnumerationMode);
if (pullResult.EndOfSequence)
{
handler.Dispose();
lock (_handlers)
{
_handlers.Remove(context);
}
}
response.SetBody(
new SerializerBodyWriter(new PullResponse
{
Items = items,
EndOfSequence = pullResult.EndOfSequence ? new EndOfSequence() : null,
EnumerationContext = pullResult.EndOfSequence ? null : request.EnumerationContext
}));
return response;
}
