Closed
Description
openedon Apr 7, 2023
Product
Hot Chocolate
Is your feature request related to a problem?
Subscriptions over SSE work really well, but a problem we have is that there's no keep-alive mechanism. This manifests itself when using something like Azure Application Gateway which closes idle connections after a pre-configured timeout. There's an open discussion regarding this topic in the Web Hypertext Application Technology Working Group repository.
The solution you'd like
SSE support should be more explicit and allow a configurable keep-alive message to be dispatched to all connected clients. Alternatively, is there an injectable interface which allows us to get all connected subscribers and manually issue keep-alives in a background service?
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