From 03d1199d5f73fdb4302adddc91f5aeea350a13a7 Mon Sep 17 00:00:00 2001 From: Konstantin Lebedev Date: Thu, 20 May 2021 11:45:21 +0500 Subject: [PATCH] Revert "revert PR #1903 avoid http error: superfluous response.WriteHeader" This reverts commit ac71117e --- weed/command/filer_cat.go | 2 +- weed/filer/filer_on_meta_event.go | 2 +- weed/filer/read_write.go | 2 +- weed/filer/stream.go | 26 +++++++++++++++++++++- weed/s3api/s3api_object_handlers.go | 6 ++++- weed/server/common.go | 8 +++---- weed/server/filer_server_handlers_read.go | 10 ++++----- weed/server/volume_server_handlers_read.go | 7 ++---- weed/shell/command_fs_cat.go | 2 +- 9 files changed, 45 insertions(+), 20 deletions(-) diff --git a/weed/command/filer_cat.go b/weed/command/filer_cat.go index a46098b04..c4281feba 100644 --- a/weed/command/filer_cat.go +++ b/weed/command/filer_cat.go @@ -110,7 +110,7 @@ func runFilerCat(cmd *Command, args []string) bool { filerCat.filerClient = client - return filer.StreamContent(&filerCat, writer, respLookupEntry.Entry.Chunks, 0, math.MaxInt64) + return filer.StreamContent(&filerCat, writer, respLookupEntry.Entry.Chunks, 0, math.MaxInt64, false) }) diff --git a/weed/filer/filer_on_meta_event.go b/weed/filer/filer_on_meta_event.go index c9f75a5ca..a91faeb24 100644 --- a/weed/filer/filer_on_meta_event.go +++ b/weed/filer/filer_on_meta_event.go @@ -52,7 +52,7 @@ func (f *Filer) maybeReloadFilerConfiguration(event *filer_pb.SubscribeMetadataR func (f *Filer) readEntry(chunks []*filer_pb.FileChunk) ([]byte, error) { var buf bytes.Buffer - err := StreamContent(f.MasterClient, &buf, chunks, 0, math.MaxInt64) + err := StreamContent(f.MasterClient, &buf, chunks, 0, math.MaxInt64, false) if err != nil { return nil, err } diff --git a/weed/filer/read_write.go b/weed/filer/read_write.go index c4c90fb63..d92d526d5 100644 --- a/weed/filer/read_write.go +++ b/weed/filer/read_write.go @@ -27,7 +27,7 @@ func ReadEntry(masterClient *wdclient.MasterClient, filerClient filer_pb.Seaweed return err } - return StreamContent(masterClient, byteBuffer, respLookupEntry.Entry.Chunks, 0, math.MaxInt64) + return StreamContent(masterClient, byteBuffer, respLookupEntry.Entry.Chunks, 0, math.MaxInt64, false) } diff --git a/weed/filer/stream.go b/weed/filer/stream.go index 2c25b8722..661a210ea 100644 --- a/weed/filer/stream.go +++ b/weed/filer/stream.go @@ -3,6 +3,7 @@ package filer import ( "bytes" "fmt" + "golang.org/x/sync/errgroup" "io" "math" "strings" @@ -13,7 +14,7 @@ import ( "github.com/chrislusf/seaweedfs/weed/wdclient" ) -func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, chunks []*filer_pb.FileChunk, offset int64, size int64) error { +func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, chunks []*filer_pb.FileChunk, offset int64, size int64, isCheck bool) error { glog.V(9).Infof("start to stream content for chunks: %+v\n", chunks) chunkViews := ViewFromChunks(masterClient.GetLookupFileIdFunction(), chunks, offset, size) @@ -33,6 +34,17 @@ func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, c fileId2Url[chunkView.FileId] = urlStrings } + if isCheck { + // Pre-check all chunkViews urls + gErr := new(errgroup.Group) + CheckAllChunkViews(chunkViews, &fileId2Url, gErr) + if err := gErr.Wait(); err != nil { + glog.Errorf("check all chunks: %v", err) + return fmt.Errorf("check all chunks: %v", err) + } + return nil + } + for _, chunkView := range chunkViews { urlStrings := fileId2Url[chunkView.FileId] @@ -41,6 +53,7 @@ func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, c glog.Errorf("read chunk: %v", err) return fmt.Errorf("read chunk: %v", err) } + _, err = w.Write(data) if err != nil { glog.Errorf("write chunk: %v", err) @@ -52,6 +65,17 @@ func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, c } +func CheckAllChunkViews(chunkViews []*ChunkView, fileId2Url *map[string][]string, gErr *errgroup.Group) { + for _, chunkView := range chunkViews { + urlStrings := (*fileId2Url)[chunkView.FileId] + glog.V(9).Infof("Check chunk: %+v\n url: %v", chunkView, urlStrings) + gErr.Go(func() error { + _, err := retriedFetchChunkData(urlStrings, chunkView.CipherKey, chunkView.IsGzipped, chunkView.IsFullChunk(), chunkView.Offset, int(chunkView.Size)) + return err + }) + } +} + // ---------------- ReadAllReader ---------------------------------- func ReadAll(masterClient *wdclient.MasterClient, chunks []*filer_pb.FileChunk) ([]byte, error) { diff --git a/weed/s3api/s3api_object_handlers.go b/weed/s3api/s3api_object_handlers.go index a8dc34b54..f1a539ac5 100644 --- a/weed/s3api/s3api_object_handlers.go +++ b/weed/s3api/s3api_object_handlers.go @@ -326,7 +326,11 @@ func passThroughResponse(proxyResponse *http.Response, w http.ResponseWriter) { for k, v := range proxyResponse.Header { 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) } diff --git a/weed/server/common.go b/weed/server/common.go index 7882109e5..571944c10 100644 --- a/weed/server/common.go +++ b/weed/server/common.go @@ -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") if rangeReq == "" { 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) 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-Range", ra.contentRange(totalSize)) - err = writeFn(w, ra.start, ra.length, http.StatusPartialContent) + err = writeFn(w, ra.start, ra.length) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return @@ -305,7 +305,7 @@ func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64 pw.CloseWithError(e) 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) return } diff --git a/weed/server/filer_server_handlers_read.go b/weed/server/filer_server_handlers_read.go index 1d90871d8..6bc09e953 100644 --- a/weed/server/filer_server_handlers_read.go +++ b/weed/server/filer_server_handlers_read.go @@ -131,6 +131,9 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request, if r.Method == "HEAD" { w.Header().Set("Content-Length", strconv.FormatInt(totalSize, 10)) + processRangeRequest(r, w, totalSize, mimeType, func(writer io.Writer, offset int64, size int64) error { + return filer.StreamContent(fs.filer.MasterClient, writer, entry.Chunks, offset, size, true) + }) return } @@ -150,10 +153,7 @@ 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 { - if httpStatusCode != 0 { - w.WriteHeader(httpStatusCode) - } + processRangeRequest(r, w, totalSize, mimeType, func(writer io.Writer, offset int64, size int64) error { if offset+size <= int64(len(entry.Content)) { _, err := writer.Write(entry.Content[offset : offset+size]) if err != nil { @@ -161,7 +161,7 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request, } return err } - return filer.StreamContent(fs.filer.MasterClient, writer, entry.Chunks, offset, size) + return filer.StreamContent(fs.filer.MasterClient, writer, entry.Chunks, offset, size, false) }) } diff --git a/weed/server/volume_server_handlers_read.go b/weed/server/volume_server_handlers_read.go index 2db46ac9b..3e977cfd4 100644 --- a/weed/server/volume_server_handlers_read.go +++ b/weed/server/volume_server_handlers_read.go @@ -27,7 +27,7 @@ var fileNameEscaper = strings.NewReplacer(`\`, `\\`, `"`, `\"`) 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() start := time.Now() @@ -261,13 +261,10 @@ func writeResponseContent(filename, mimeType string, rs io.ReadSeeker, w http.Re 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 { return e } - if httpStatusCode != 0 { - w.WriteHeader(httpStatusCode) - } _, e = io.CopyN(writer, rs, size) return e }) diff --git a/weed/shell/command_fs_cat.go b/weed/shell/command_fs_cat.go index 3c5e13663..df43d93dc 100644 --- a/weed/shell/command_fs_cat.go +++ b/weed/shell/command_fs_cat.go @@ -52,7 +52,7 @@ func (c *commandFsCat) Do(args []string, commandEnv *CommandEnv, writer io.Write return err } - return filer.StreamContent(commandEnv.MasterClient, writer, respLookupEntry.Entry.Chunks, 0, math.MaxInt64) + return filer.StreamContent(commandEnv.MasterClient, writer, respLookupEntry.Entry.Chunks, 0, math.MaxInt64, false) })