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kobergj
15 lines
1.1 KiB
Markdown
15 lines
1.1 KiB
Markdown
# SSE
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The `sse` service is responsible for sending sse (Server-Sent Events) to a user. See [What is Server-Sent Events](https://medium.com/yemeksepeti-teknoloji/what-is-server-sent-events-sse-and-how-to-implement-it-904938bffd73) for a simple introduction and examples of server sent events.
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## The Log Service Ecosystem
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Log services like the `userlog`, `clientlog` and `sse` are responsible for composing notifications for a certain audience.
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- The `userlog` service translates and adjusts messages to be human readable.
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- The `clientlog` service composes machine readable messages, so clients can act without the need to query the server.
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- The `sse` service is only responsible for sending these messages. It does not care about their form or language.
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## Subscribing
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Clients can subscribe to the `/sse` endpoint to be informed by the server when an event happens. The `sse` endpoint will respect language changes of the user without needing to reconnect. Note that SSE has a limitation of six open connections per browser which can be reached if one has opened various tabs of the Web UI pointing to the same Infinite Scale instance.
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