func uploadChunked(dbx files.Client, r io.Reader, commitInfo *files.CommitInfo, sizeTotal int64) (err error) {
res, err := dbx.UploadSessionStart(files.NewUploadSessionStartArg(),
&io.LimitedReader{R: r, N: chunkSize})
if err != nil {
return
}
written := chunkSize
for (sizeTotal - written) > chunkSize {
args := files.NewUploadSessionCursor(res.SessionId, uint64(written))
err = dbx.UploadSessionAppend(args, &io.LimitedReader{R: r, N: chunkSize})
if err != nil {
return
}
written += chunkSize
}
cursor := files.NewUploadSessionCursor(res.SessionId, uint64(written))
args := files.NewUploadSessionFinishArg(cursor, commitInfo)
if _, err = dbx.UploadSessionFinish(args, r); err != nil {
return
}
return
}
