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feat: Make workspace watching realtime instead of polling (#4922)

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* feat: Make workspace watching realtime instead of polling

This was leading to performance issues on the frontend, where
the page should only be rendered if changes occur. While this
could be changed on the frontend, it was always the intention
to make this socket ~realtime anyways.

* Fix workspace tests waiting, erroring on workspace update, and add comments to workspace events
This commit is contained in:
Kyle Carberry
2022-11-07 07:25:18 -08:00
committed by GitHub
parent a5cc1970cf
commit 56b963a940
12 changed files with 239 additions and 77 deletions
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14
coderd/httpapi/httpapi.go
View File

@ -228,14 +228,20 @@ func ServerSentEventSender(rw http.ResponseWriter, r *http.Request) (sendEvent f
buf := &bytes.Buffer{}
enc := json.NewEncoder(buf)
_, err := buf.WriteString(fmt.Sprintf("event: %s\ndata: ", sse.Type))
_, err := buf.WriteString(fmt.Sprintf("event: %s\n", sse.Type))
if err != nil {
return err
}
err = enc.Encode(sse.Data)
if err != nil {
return err
if sse.Data != nil {
_, err = buf.WriteString("data: ")
if err != nil {
return err
}
err = enc.Encode(sse.Data)
if err != nil {
return err
}
}
err = buf.WriteByte('\n')