Merge pull request #2074 from kmlebedev/head_check_all_chunks

avoid http error: superfluous response.WriteHeader
This commit is contained in:
Chris Lu 2021-05-24 00:39:55 -07:00 committed by GitHub
commit 15859a7daa
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 18 additions and 18 deletions

View file

@ -43,13 +43,12 @@ func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, c
stats.FilerRequestHistogram.WithLabelValues("chunkDownload").Observe(time.Since(start).Seconds()) stats.FilerRequestHistogram.WithLabelValues("chunkDownload").Observe(time.Since(start).Seconds())
if err != nil { if err != nil {
stats.FilerRequestCounter.WithLabelValues("chunkDownloadError").Inc() stats.FilerRequestCounter.WithLabelValues("chunkDownloadError").Inc()
glog.Errorf("read chunk: %v", err)
return fmt.Errorf("read chunk: %v", err) return fmt.Errorf("read chunk: %v", err)
} }
_, err = w.Write(data) _, err = w.Write(data)
if err != nil { if err != nil {
stats.FilerRequestCounter.WithLabelValues("chunkDownloadedError").Inc() stats.FilerRequestCounter.WithLabelValues("chunkDownloadedError").Inc()
glog.Errorf("write chunk: %v", err)
return fmt.Errorf("write chunk: %v", err) return fmt.Errorf("write chunk: %v", err)
} }
stats.FilerRequestCounter.WithLabelValues("chunkDownload").Inc() stats.FilerRequestCounter.WithLabelValues("chunkDownload").Inc()

View file

@ -332,7 +332,11 @@ func passThroughResponse(proxyResponse *http.Response, w http.ResponseWriter) {
for k, v := range proxyResponse.Header { for k, v := range proxyResponse.Header {
w.Header()[k] = v w.Header()[k] = v
} }
w.WriteHeader(proxyResponse.StatusCode) if proxyResponse.Header.Get("Content-Range") != "" && proxyResponse.StatusCode == 200 {
w.WriteHeader(http.StatusPartialContent)
} else {
w.WriteHeader(proxyResponse.StatusCode)
}
io.Copy(w, proxyResponse.Body) io.Copy(w, proxyResponse.Body)
} }

View file

@ -232,12 +232,12 @@ func adjustHeaderContentDisposition(w http.ResponseWriter, r *http.Request, file
} }
} }
func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64, mimeType string, writeFn func(writer io.Writer, offset int64, size int64, httpStatusCode int) error) { func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64, mimeType string, writeFn func(writer io.Writer, offset int64, size int64) error) {
rangeReq := r.Header.Get("Range") rangeReq := r.Header.Get("Range")
if rangeReq == "" { if rangeReq == "" {
w.Header().Set("Content-Length", strconv.FormatInt(totalSize, 10)) w.Header().Set("Content-Length", strconv.FormatInt(totalSize, 10))
if err := writeFn(w, 0, totalSize, 0); err != nil { if err := writeFn(w, 0, totalSize); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError) http.Error(w, err.Error(), http.StatusInternalServerError)
return return
} }
@ -277,7 +277,7 @@ func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64
w.Header().Set("Content-Length", strconv.FormatInt(ra.length, 10)) w.Header().Set("Content-Length", strconv.FormatInt(ra.length, 10))
w.Header().Set("Content-Range", ra.contentRange(totalSize)) w.Header().Set("Content-Range", ra.contentRange(totalSize))
err = writeFn(w, ra.start, ra.length, http.StatusPartialContent) err = writeFn(w, ra.start, ra.length)
if err != nil { if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError) http.Error(w, err.Error(), http.StatusInternalServerError)
return return
@ -305,7 +305,7 @@ func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64
pw.CloseWithError(e) pw.CloseWithError(e)
return return
} }
if e = writeFn(part, ra.start, ra.length, 0); e != nil { if e = writeFn(part, ra.start, ra.length); e != nil {
pw.CloseWithError(e) pw.CloseWithError(e)
return return
} }

View file

@ -150,10 +150,7 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request,
} }
} }
processRangeRequest(r, w, totalSize, mimeType, func(writer io.Writer, offset int64, size int64, httpStatusCode int) error { processRangeRequest(r, w, totalSize, mimeType, func(writer io.Writer, offset int64, size int64) error {
if httpStatusCode != 0 {
w.WriteHeader(httpStatusCode)
}
if offset+size <= int64(len(entry.Content)) { if offset+size <= int64(len(entry.Content)) {
_, err := writer.Write(entry.Content[offset : offset+size]) _, err := writer.Write(entry.Content[offset : offset+size])
if err != nil { if err != nil {
@ -161,7 +158,10 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request,
} }
return err return err
} }
return filer.StreamContent(fs.filer.MasterClient, writer, entry.Chunks, offset, size) err = filer.StreamContent(fs.filer.MasterClient, writer, entry.Chunks, offset, size)
if err != nil {
glog.Errorf("failed to stream content %s: %v", r.URL, err)
}
return err
}) })
} }

View file

@ -27,7 +27,7 @@ var fileNameEscaper = strings.NewReplacer(`\`, `\\`, `"`, `\"`)
func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request) { func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request) {
// println(r.Method + " " + r.URL.Path) glog.V(9).Info(r.Method + " " + r.URL.Path + " " + r.Header.Get("Range"))
stats.VolumeServerRequestCounter.WithLabelValues("get").Inc() stats.VolumeServerRequestCounter.WithLabelValues("get").Inc()
start := time.Now() start := time.Now()
@ -261,13 +261,10 @@ func writeResponseContent(filename, mimeType string, rs io.ReadSeeker, w http.Re
return nil return nil
} }
processRangeRequest(r, w, totalSize, mimeType, func(writer io.Writer, offset int64, size int64, httpStatusCode int) error { processRangeRequest(r, w, totalSize, mimeType, func(writer io.Writer, offset int64, size int64) error {
if _, e = rs.Seek(offset, 0); e != nil { if _, e = rs.Seek(offset, 0); e != nil {
return e return e
} }
if httpStatusCode != 0 {
w.WriteHeader(httpStatusCode)
}
_, e = io.CopyN(writer, rs, size) _, e = io.CopyN(writer, rs, size)
return e return e
}) })