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ListenBucketNotification should set proper MIME type. (#4621)

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This is needed to avoid proxies buffering the connection
this is also a HTTP standard way to handle this situation
where server is sending back events in asynchronously.

For more details read https://goo.gl/RCML9f

Fixes - https://github.com/minio/minio-go/issues/731
This commit is contained in:
Harshavardhana 2017-07-03 19:59:41 -07:00 committed by Dee Koder
parent 344f9ec608
commit 4e0c08e9c5
1 changed files with 9 additions and 0 deletions
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9
cmd/bucket-notification-handlers.go
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@ -204,6 +204,15 @@ func writeNotification(w http.ResponseWriter, notification map[string][]Notifica
if err != nil { if err != nil {
return err return err
} }
// https://github.com/containous/traefik/issues/560
// https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events
//
// Proxies might buffer the connection to avoid this we
// need the proper MIME type before writing to client.
// This MIME header tells the proxies to avoid buffering
w.Header().Set("Content-Type", "text/event-stream")
// Add additional CRLF characters for client to // Add additional CRLF characters for client to
// differentiate the individual events properly. // differentiate the individual events properly.
_, err = w.Write(append(notificationBytes, crlf...)) _, err = w.Write(append(notificationBytes, crlf...))