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478 lines
14 KiB
478 lines
14 KiB
package weed_server
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"time"
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"github.com/chrislusf/seaweedfs/weed/filer"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/operation"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
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"github.com/chrislusf/seaweedfs/weed/storage/needle"
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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func (fs *FilerServer) LookupDirectoryEntry(ctx context.Context, req *filer_pb.LookupDirectoryEntryRequest) (*filer_pb.LookupDirectoryEntryResponse, error) {
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glog.V(4).Infof("LookupDirectoryEntry %s", filepath.Join(req.Directory, req.Name))
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entry, err := fs.filer.FindEntry(ctx, util.JoinPath(req.Directory, req.Name))
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if err == filer_pb.ErrNotFound {
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return &filer_pb.LookupDirectoryEntryResponse{}, err
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}
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if err != nil {
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glog.V(3).Infof("LookupDirectoryEntry %s: %+v, ", filepath.Join(req.Directory, req.Name), err)
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return nil, err
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}
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return &filer_pb.LookupDirectoryEntryResponse{
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Entry: entry.ToProtoEntry(),
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}, nil
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}
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func (fs *FilerServer) ListEntries(req *filer_pb.ListEntriesRequest, stream filer_pb.SeaweedFiler_ListEntriesServer) (err error) {
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glog.V(4).Infof("ListEntries %v", req)
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limit := int(req.Limit)
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if limit == 0 {
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limit = fs.option.DirListingLimit
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}
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paginationLimit := filer.PaginationSize
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if limit < paginationLimit {
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paginationLimit = limit
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}
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lastFileName := req.StartFromFileName
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includeLastFile := req.InclusiveStartFrom
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var listErr error
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for limit > 0 {
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var hasEntries bool
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lastFileName, listErr = fs.filer.StreamListDirectoryEntries(stream.Context(), util.FullPath(req.Directory), lastFileName, includeLastFile, int64(paginationLimit), req.Prefix, "", "", func(entry *filer.Entry) bool {
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hasEntries = true
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if err = stream.Send(&filer_pb.ListEntriesResponse{
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Entry: entry.ToProtoEntry(),
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}); err != nil {
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return false
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}
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limit--
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if limit == 0 {
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return false
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}
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return true
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})
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if listErr != nil {
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return listErr
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}
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if err != nil {
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return err
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}
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if !hasEntries {
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return nil
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}
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includeLastFile = false
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}
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return nil
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}
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func (fs *FilerServer) LookupVolume(ctx context.Context, req *filer_pb.LookupVolumeRequest) (*filer_pb.LookupVolumeResponse, error) {
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resp := &filer_pb.LookupVolumeResponse{
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LocationsMap: make(map[string]*filer_pb.Locations),
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}
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for _, vidString := range req.VolumeIds {
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vid, err := strconv.Atoi(vidString)
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if err != nil {
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glog.V(1).Infof("Unknown volume id %d", vid)
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return nil, err
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}
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var locs []*filer_pb.Location
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locations, found := fs.filer.MasterClient.GetLocations(uint32(vid))
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if !found {
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continue
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}
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for _, loc := range locations {
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locs = append(locs, &filer_pb.Location{
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Url: loc.Url,
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PublicUrl: loc.PublicUrl,
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})
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}
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resp.LocationsMap[vidString] = &filer_pb.Locations{
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Locations: locs,
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}
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}
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return resp, nil
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}
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func (fs *FilerServer) lookupFileId(fileId string) (targetUrls []string, err error) {
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fid, err := needle.ParseFileIdFromString(fileId)
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if err != nil {
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return nil, err
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}
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locations, found := fs.filer.MasterClient.GetLocations(uint32(fid.VolumeId))
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if !found || len(locations) == 0 {
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return nil, fmt.Errorf("not found volume %d in %s", fid.VolumeId, fileId)
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}
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for _, loc := range locations {
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targetUrls = append(targetUrls, fmt.Sprintf("http://%s/%s", loc.Url, fileId))
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}
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return
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}
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func (fs *FilerServer) CreateEntry(ctx context.Context, req *filer_pb.CreateEntryRequest) (resp *filer_pb.CreateEntryResponse, err error) {
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glog.V(4).Infof("CreateEntry %v/%v", req.Directory, req.Entry.Name)
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resp = &filer_pb.CreateEntryResponse{}
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chunks, garbage, err2 := fs.cleanupChunks(util.Join(req.Directory, req.Entry.Name), nil, req.Entry)
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if err2 != nil {
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return &filer_pb.CreateEntryResponse{}, fmt.Errorf("CreateEntry cleanupChunks %s %s: %v", req.Directory, req.Entry.Name, err2)
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}
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newEntry := filer.FromPbEntry(req.Directory, req.Entry)
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newEntry.Chunks = chunks
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createErr := fs.filer.CreateEntry(ctx, newEntry, req.OExcl, req.IsFromOtherCluster, req.Signatures)
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if createErr == nil {
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fs.filer.DeleteChunks(garbage)
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} else {
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glog.V(3).Infof("CreateEntry %s: %v", filepath.Join(req.Directory, req.Entry.Name), createErr)
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resp.Error = createErr.Error()
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}
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return
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}
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func (fs *FilerServer) UpdateEntry(ctx context.Context, req *filer_pb.UpdateEntryRequest) (*filer_pb.UpdateEntryResponse, error) {
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glog.V(4).Infof("UpdateEntry %v", req)
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fullpath := util.Join(req.Directory, req.Entry.Name)
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entry, err := fs.filer.FindEntry(ctx, util.FullPath(fullpath))
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if err != nil {
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return &filer_pb.UpdateEntryResponse{}, fmt.Errorf("not found %s: %v", fullpath, err)
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}
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chunks, garbage, err2 := fs.cleanupChunks(fullpath, entry, req.Entry)
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if err2 != nil {
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return &filer_pb.UpdateEntryResponse{}, fmt.Errorf("UpdateEntry cleanupChunks %s: %v", fullpath, err2)
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}
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newEntry := filer.FromPbEntry(req.Directory, req.Entry)
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newEntry.Chunks = chunks
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if filer.EqualEntry(entry, newEntry) {
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return &filer_pb.UpdateEntryResponse{}, err
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}
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if err = fs.filer.UpdateEntry(ctx, entry, newEntry); err == nil {
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fs.filer.DeleteChunks(garbage)
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fs.filer.NotifyUpdateEvent(ctx, entry, newEntry, true, req.IsFromOtherCluster, req.Signatures)
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} else {
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glog.V(3).Infof("UpdateEntry %s: %v", filepath.Join(req.Directory, req.Entry.Name), err)
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}
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return &filer_pb.UpdateEntryResponse{}, err
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}
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func (fs *FilerServer) cleanupChunks(fullpath string, existingEntry *filer.Entry, newEntry *filer_pb.Entry) (chunks, garbage []*filer_pb.FileChunk, err error) {
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// remove old chunks if not included in the new ones
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if existingEntry != nil {
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garbage, err = filer.MinusChunks(fs.lookupFileId, existingEntry.Chunks, newEntry.Chunks)
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if err != nil {
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return newEntry.Chunks, nil, fmt.Errorf("MinusChunks: %v", err)
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}
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}
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// files with manifest chunks are usually large and append only, skip calculating covered chunks
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manifestChunks, nonManifestChunks := filer.SeparateManifestChunks(newEntry.Chunks)
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chunks, coveredChunks := filer.CompactFileChunks(fs.lookupFileId, nonManifestChunks)
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garbage = append(garbage, coveredChunks...)
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if newEntry.Attributes != nil {
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so, _ := fs.detectStorageOption(fullpath,
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newEntry.Attributes.Collection,
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newEntry.Attributes.Replication,
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newEntry.Attributes.TtlSec,
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newEntry.Attributes.DiskType,
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"",
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"",
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) // ignore readonly error for capacity needed to manifestize
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chunks, err = filer.MaybeManifestize(fs.saveAsChunk(so), chunks)
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if err != nil {
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// not good, but should be ok
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glog.V(0).Infof("MaybeManifestize: %v", err)
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}
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}
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chunks = append(chunks, manifestChunks...)
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return
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}
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func (fs *FilerServer) AppendToEntry(ctx context.Context, req *filer_pb.AppendToEntryRequest) (*filer_pb.AppendToEntryResponse, error) {
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glog.V(4).Infof("AppendToEntry %v", req)
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fullpath := util.NewFullPath(req.Directory, req.EntryName)
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var offset int64 = 0
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entry, err := fs.filer.FindEntry(ctx, fullpath)
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if err == filer_pb.ErrNotFound {
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entry = &filer.Entry{
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FullPath: fullpath,
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Attr: filer.Attr{
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Crtime: time.Now(),
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Mtime: time.Now(),
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Mode: os.FileMode(0644),
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Uid: OS_UID,
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Gid: OS_GID,
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},
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}
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} else {
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offset = int64(filer.TotalSize(entry.Chunks))
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}
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for _, chunk := range req.Chunks {
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chunk.Offset = offset
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offset += int64(chunk.Size)
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}
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entry.Chunks = append(entry.Chunks, req.Chunks...)
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so, err := fs.detectStorageOption(string(fullpath), entry.Collection, entry.Replication, entry.TtlSec, entry.DiskType, "", "")
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if err != nil {
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glog.Warningf("detectStorageOption: %v", err)
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return &filer_pb.AppendToEntryResponse{}, err
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}
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entry.Chunks, err = filer.MaybeManifestize(fs.saveAsChunk(so), entry.Chunks)
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if err != nil {
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// not good, but should be ok
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glog.V(0).Infof("MaybeManifestize: %v", err)
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}
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err = fs.filer.CreateEntry(context.Background(), entry, false, false, nil)
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return &filer_pb.AppendToEntryResponse{}, err
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}
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func (fs *FilerServer) DeleteEntry(ctx context.Context, req *filer_pb.DeleteEntryRequest) (resp *filer_pb.DeleteEntryResponse, err error) {
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glog.V(4).Infof("DeleteEntry %v", req)
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err = fs.filer.DeleteEntryMetaAndData(ctx, util.JoinPath(req.Directory, req.Name), req.IsRecursive, req.IgnoreRecursiveError, req.IsDeleteData, req.IsFromOtherCluster, req.Signatures)
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resp = &filer_pb.DeleteEntryResponse{}
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if err != nil && err != filer_pb.ErrNotFound {
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resp.Error = err.Error()
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}
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return resp, nil
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}
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func (fs *FilerServer) AssignVolume(ctx context.Context, req *filer_pb.AssignVolumeRequest) (resp *filer_pb.AssignVolumeResponse, err error) {
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so, err := fs.detectStorageOption(req.Path, req.Collection, req.Replication, req.TtlSec, req.DiskType, req.DataCenter, req.Rack)
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if err != nil {
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glog.V(3).Infof("AssignVolume: %v", err)
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return &filer_pb.AssignVolumeResponse{Error: fmt.Sprintf("assign volume: %v", err)}, nil
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}
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assignRequest, altRequest := so.ToAssignRequests(int(req.Count))
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assignResult, err := operation.Assign(fs.filer.GetMaster, fs.grpcDialOption, assignRequest, altRequest)
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if err != nil {
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glog.V(3).Infof("AssignVolume: %v", err)
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return &filer_pb.AssignVolumeResponse{Error: fmt.Sprintf("assign volume: %v", err)}, nil
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}
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if assignResult.Error != "" {
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glog.V(3).Infof("AssignVolume error: %v", assignResult.Error)
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return &filer_pb.AssignVolumeResponse{Error: fmt.Sprintf("assign volume result: %v", assignResult.Error)}, nil
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}
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return &filer_pb.AssignVolumeResponse{
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FileId: assignResult.Fid,
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Count: int32(assignResult.Count),
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Url: assignResult.Url,
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PublicUrl: assignResult.PublicUrl,
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Auth: string(assignResult.Auth),
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Collection: so.Collection,
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Replication: so.Replication,
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}, nil
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}
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func (fs *FilerServer) CollectionList(ctx context.Context, req *filer_pb.CollectionListRequest) (resp *filer_pb.CollectionListResponse, err error) {
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glog.V(4).Infof("CollectionList %v", req)
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resp = &filer_pb.CollectionListResponse{}
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err = fs.filer.MasterClient.WithClient(func(client master_pb.SeaweedClient) error {
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masterResp, err := client.CollectionList(context.Background(), &master_pb.CollectionListRequest{
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IncludeNormalVolumes: req.IncludeNormalVolumes,
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IncludeEcVolumes: req.IncludeEcVolumes,
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})
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if err != nil {
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return err
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}
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for _, c := range masterResp.Collections {
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resp.Collections = append(resp.Collections, &filer_pb.Collection{Name: c.Name})
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}
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return nil
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})
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return
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}
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func (fs *FilerServer) DeleteCollection(ctx context.Context, req *filer_pb.DeleteCollectionRequest) (resp *filer_pb.DeleteCollectionResponse, err error) {
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glog.V(4).Infof("DeleteCollection %v", req)
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err = fs.filer.MasterClient.WithClient(func(client master_pb.SeaweedClient) error {
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_, err := client.CollectionDelete(context.Background(), &master_pb.CollectionDeleteRequest{
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Name: req.GetCollection(),
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})
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return err
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})
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return &filer_pb.DeleteCollectionResponse{}, err
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}
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func (fs *FilerServer) Statistics(ctx context.Context, req *filer_pb.StatisticsRequest) (resp *filer_pb.StatisticsResponse, err error) {
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var output *master_pb.StatisticsResponse
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err = fs.filer.MasterClient.WithClient(func(masterClient master_pb.SeaweedClient) error {
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grpcResponse, grpcErr := masterClient.Statistics(context.Background(), &master_pb.StatisticsRequest{
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Replication: req.Replication,
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Collection: req.Collection,
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Ttl: req.Ttl,
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DiskType: req.DiskType,
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})
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if grpcErr != nil {
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return grpcErr
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}
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output = grpcResponse
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return nil
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})
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if err != nil {
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return nil, err
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}
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return &filer_pb.StatisticsResponse{
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TotalSize: output.TotalSize,
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UsedSize: output.UsedSize,
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FileCount: output.FileCount,
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}, nil
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}
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func (fs *FilerServer) GetFilerConfiguration(ctx context.Context, req *filer_pb.GetFilerConfigurationRequest) (resp *filer_pb.GetFilerConfigurationResponse, err error) {
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clusterId, _ := fs.filer.Store.KvGet(context.Background(), []byte("clusterId"))
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t := &filer_pb.GetFilerConfigurationResponse{
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Masters: fs.option.Masters,
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Collection: fs.option.Collection,
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Replication: fs.option.DefaultReplication,
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MaxMb: uint32(fs.option.MaxMB),
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DirBuckets: fs.filer.DirBucketsPath,
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Cipher: fs.filer.Cipher,
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Signature: fs.filer.Signature,
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MetricsAddress: fs.metricsAddress,
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MetricsIntervalSec: int32(fs.metricsIntervalSec),
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Version: util.Version(),
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ClusterId: string(clusterId),
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}
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glog.V(4).Infof("GetFilerConfiguration: %v", t)
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return t, nil
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}
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func (fs *FilerServer) KeepConnected(stream filer_pb.SeaweedFiler_KeepConnectedServer) error {
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req, err := stream.Recv()
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if err != nil {
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return err
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}
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clientName := fmt.Sprintf("%s:%d", req.Name, req.GrpcPort)
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m := make(map[string]bool)
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for _, tp := range req.Resources {
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m[tp] = true
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}
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fs.brokersLock.Lock()
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fs.brokers[clientName] = m
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glog.V(0).Infof("+ broker %v", clientName)
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fs.brokersLock.Unlock()
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defer func() {
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fs.brokersLock.Lock()
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delete(fs.brokers, clientName)
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glog.V(0).Infof("- broker %v: %v", clientName, err)
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fs.brokersLock.Unlock()
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}()
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for {
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if err := stream.Send(&filer_pb.KeepConnectedResponse{}); err != nil {
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glog.V(0).Infof("send broker %v: %+v", clientName, err)
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return err
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}
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// println("replied")
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if _, err := stream.Recv(); err != nil {
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glog.V(0).Infof("recv broker %v: %v", clientName, err)
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return err
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}
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// println("received")
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}
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}
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func (fs *FilerServer) LocateBroker(ctx context.Context, req *filer_pb.LocateBrokerRequest) (resp *filer_pb.LocateBrokerResponse, err error) {
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resp = &filer_pb.LocateBrokerResponse{}
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fs.brokersLock.Lock()
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defer fs.brokersLock.Unlock()
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var localBrokers []*filer_pb.LocateBrokerResponse_Resource
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for b, m := range fs.brokers {
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if _, found := m[req.Resource]; found {
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resp.Found = true
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resp.Resources = []*filer_pb.LocateBrokerResponse_Resource{
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{
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GrpcAddresses: b,
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ResourceCount: int32(len(m)),
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},
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}
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return
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}
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localBrokers = append(localBrokers, &filer_pb.LocateBrokerResponse_Resource{
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GrpcAddresses: b,
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ResourceCount: int32(len(m)),
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})
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}
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resp.Resources = localBrokers
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return resp, nil
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}
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