2n Helios IP HTTP API Manual v2.8 Bedienungsanleitung PDF herunterladen (Seite 10)

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Data Retrieval in PullPoint Mode

To retrieve events from in the PullPoint mode, create the PullPoint via2N Helios IP

the request, specifying the type of events to be retrieved and theCreatePullPoint

subscription time.

If the subscription is successful, sends the 2N Helios IP

CreatePullPointResponse

including the Subscription Id for subsequent communication with .2N Helios IP

Now you can read out events from periodically using the 2N Helios IP

GetMessages

request. sends the including the list of2N Helios IP

GetMessagesResponse

events. In case there is no event in the queue, the event list is empty in the response.

The subscription time is limited (as specified in the CreatePullPoint request). When the

subscription time expires, you will be unsubscribed automatically. To extend the

subscription time, send the request before expiry. will replyRenew 2N Helios IP

with the message.RenewResponse

Send the request to unsubscribe explicitly. will reply withUnsubscribe 2N Helios IP

the message.UnsubscribeResponse

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2n Helios IP HTTP API Manual v2.8 Bedienungsanleitung Seite 10