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mediaapi/writers/download: Move comment next to code to which it refers

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This commit is contained in:
Robert Swain 2017-05-22 21:06:14 +02:00
parent f88c537f43
commit cd7e04ec0d
1 changed files with 3 additions and 3 deletions
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6
src/github.com/matrix-org/dendrite/mediaapi/writers/download.go
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@ -118,12 +118,12 @@ func Download(w http.ResponseWriter, req *http.Request, origin gomatrixserverlib
return return
} else if err == sql.ErrNoRows && r.MediaMetadata.Origin != cfg.ServerName { } else if err == sql.ErrNoRows && r.MediaMetadata.Origin != cfg.ServerName {
// If we do not have a record and the origin is remote, we need to fetch it and respond with that file // If we do not have a record and the origin is remote, we need to fetch it and respond with that file
// The following code using activeRemoteRequests is avoiding duplication of fetches from the remote server in the case
// of multiple simultaneous incoming requests for the same remote file - it will be downloaded once, cached and served
// to all clients.
mxcURL := "mxc://" + string(r.MediaMetadata.Origin) + "/" + string(r.MediaMetadata.MediaID) mxcURL := "mxc://" + string(r.MediaMetadata.Origin) + "/" + string(r.MediaMetadata.MediaID)
// The following code using activeRemoteRequests is avoiding duplication of fetches from the remote server in the case
// of multiple simultaneous incoming requests for the same remote file - it will be downloaded once, cached and served
// to all clients.
activeRemoteRequests.Lock() activeRemoteRequests.Lock()
mediaMetadata, err = db.GetMediaMetadata(r.MediaMetadata.MediaID, r.MediaMetadata.Origin) mediaMetadata, err = db.GetMediaMetadata(r.MediaMetadata.MediaID, r.MediaMetadata.Origin)
if err == nil { if err == nil {