2N Helios IP Configuration Manual page 10

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Data Retrieval in PullPoint Mode

To retrieve events from 2N® Helios IP in the PullPoint mode, create the PullPoint via

the

CreatePullPoint

subscription time.

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

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

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

request. 2N® Helios IP sends the

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

the

RenewResponse

Send the

the

UnsubscribeResponse

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

Renew

message.

Unsubscribe

request to unsubscribe explicitly. 2N® Helios IP will reply with

message.

GetMessagesResponse

request before expiry. 2N® Helios IP will reply with

CreatePullPointResponse

including the list of events.

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