package weed_server import ( "context" "fmt" "os" "path/filepath" "strconv" "strings" "time" "github.com/chrislusf/seaweedfs/weed/filer2" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/operation" "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" "github.com/chrislusf/seaweedfs/weed/pb/master_pb" "github.com/chrislusf/seaweedfs/weed/storage/needle" "github.com/chrislusf/seaweedfs/weed/util" ) func (fs *FilerServer) LookupDirectoryEntry(ctx context.Context, req *filer_pb.LookupDirectoryEntryRequest) (*filer_pb.LookupDirectoryEntryResponse, error) { glog.V(4).Infof("LookupDirectoryEntry %s", filepath.Join(req.Directory, req.Name)) entry, err := fs.filer.FindEntry(ctx, util.JoinPath(req.Directory, req.Name)) if err == filer_pb.ErrNotFound { return &filer_pb.LookupDirectoryEntryResponse{}, err } if err != nil { glog.V(3).Infof("LookupDirectoryEntry %s: %+v, ", filepath.Join(req.Directory, req.Name), err) return nil, err } return &filer_pb.LookupDirectoryEntryResponse{ Entry: &filer_pb.Entry{ Name: req.Name, IsDirectory: entry.IsDirectory(), Attributes: filer2.EntryAttributeToPb(entry), Chunks: entry.Chunks, Extended: entry.Extended, }, }, nil } func (fs *FilerServer) ListEntries(req *filer_pb.ListEntriesRequest, stream filer_pb.SeaweedFiler_ListEntriesServer) error { glog.V(4).Infof("ListEntries %v", req) limit := int(req.Limit) if limit == 0 { limit = fs.option.DirListingLimit } paginationLimit := filer2.PaginationSize if limit < paginationLimit { paginationLimit = limit } lastFileName := req.StartFromFileName includeLastFile := req.InclusiveStartFrom for limit > 0 { entries, err := fs.filer.ListDirectoryEntries(stream.Context(), util.FullPath(req.Directory), lastFileName, includeLastFile, paginationLimit) if err != nil { return err } if len(entries) == 0 { return nil } includeLastFile = false for _, entry := range entries { lastFileName = entry.Name() if req.Prefix != "" { if !strings.HasPrefix(entry.Name(), req.Prefix) { continue } } if err := stream.Send(&filer_pb.ListEntriesResponse{ Entry: &filer_pb.Entry{ Name: entry.Name(), IsDirectory: entry.IsDirectory(), Chunks: entry.Chunks, Attributes: filer2.EntryAttributeToPb(entry), Extended: entry.Extended, }, }); err != nil { return err } limit-- if limit == 0 { return nil } } if len(entries) < paginationLimit { break } } return nil } func (fs *FilerServer) LookupVolume(ctx context.Context, req *filer_pb.LookupVolumeRequest) (*filer_pb.LookupVolumeResponse, error) { resp := &filer_pb.LookupVolumeResponse{ LocationsMap: make(map[string]*filer_pb.Locations), } for _, vidString := range req.VolumeIds { vid, err := strconv.Atoi(vidString) if err != nil { glog.V(1).Infof("Unknown volume id %d", vid) return nil, err } var locs []*filer_pb.Location locations, found := fs.filer.MasterClient.GetLocations(uint32(vid)) if !found { continue } for _, loc := range locations { locs = append(locs, &filer_pb.Location{ Url: loc.Url, PublicUrl: loc.PublicUrl, }) } resp.LocationsMap[vidString] = &filer_pb.Locations{ Locations: locs, } } return resp, nil } func (fs *FilerServer) lookupFileId(fileId string) (targetUrl string, err error) { fid, err := needle.ParseFileIdFromString(fileId) if err != nil { return "", err } locations, found := fs.filer.MasterClient.GetLocations(uint32(fid.VolumeId)) if !found || len(locations) == 0 { return "", fmt.Errorf("not found volume %d in %s", fid.VolumeId, fileId) } return fmt.Sprintf("http://%s/%s", locations[0].Url, fileId), nil } func (fs *FilerServer) CreateEntry(ctx context.Context, req *filer_pb.CreateEntryRequest) (resp *filer_pb.CreateEntryResponse, err error) { glog.V(4).Infof("CreateEntry %v", req) resp = &filer_pb.CreateEntryResponse{} chunks, garbage, err2 := fs.cleanupChunks(nil, req.Entry) if err2 != nil { return &filer_pb.CreateEntryResponse{}, fmt.Errorf("CreateEntry cleanupChunks %s %s: %v", req.Directory, req.Entry.Name, err2) } if req.Entry.Attributes == nil { glog.V(3).Infof("CreateEntry %s: nil attributes", filepath.Join(req.Directory, req.Entry.Name)) resp.Error = fmt.Sprintf("can not create entry with empty attributes") return } createErr := fs.filer.CreateEntry(ctx, &filer2.Entry{ FullPath: util.JoinPath(req.Directory, req.Entry.Name), Attr: filer2.PbToEntryAttribute(req.Entry.Attributes), Chunks: chunks, }, req.OExcl, req.IsFromOtherCluster) if createErr == nil { fs.filer.DeleteChunks(garbage) } else { glog.V(3).Infof("CreateEntry %s: %v", filepath.Join(req.Directory, req.Entry.Name), createErr) resp.Error = createErr.Error() } return } func (fs *FilerServer) UpdateEntry(ctx context.Context, req *filer_pb.UpdateEntryRequest) (*filer_pb.UpdateEntryResponse, error) { glog.V(4).Infof("UpdateEntry %v", req) fullpath := util.Join(req.Directory, req.Entry.Name) entry, err := fs.filer.FindEntry(ctx, util.FullPath(fullpath)) if err != nil { return &filer_pb.UpdateEntryResponse{}, fmt.Errorf("not found %s: %v", fullpath, err) } chunks, garbage, err2 := fs.cleanupChunks(entry, req.Entry) if err2 != nil { return &filer_pb.UpdateEntryResponse{}, fmt.Errorf("UpdateEntry cleanupChunks %s: %v", fullpath, err2) } newEntry := &filer2.Entry{ FullPath: util.JoinPath(req.Directory, req.Entry.Name), Attr: entry.Attr, Extended: req.Entry.Extended, Chunks: chunks, } glog.V(3).Infof("updating %s: %+v, chunks %d: %v => %+v, chunks %d: %v, extended: %v => %v", fullpath, entry.Attr, len(entry.Chunks), entry.Chunks, req.Entry.Attributes, len(req.Entry.Chunks), req.Entry.Chunks, entry.Extended, req.Entry.Extended) if req.Entry.Attributes != nil { if req.Entry.Attributes.Mtime != 0 { newEntry.Attr.Mtime = time.Unix(req.Entry.Attributes.Mtime, 0) } if req.Entry.Attributes.FileMode != 0 { newEntry.Attr.Mode = os.FileMode(req.Entry.Attributes.FileMode) } newEntry.Attr.Uid = req.Entry.Attributes.Uid newEntry.Attr.Gid = req.Entry.Attributes.Gid newEntry.Attr.Mime = req.Entry.Attributes.Mime newEntry.Attr.UserName = req.Entry.Attributes.UserName newEntry.Attr.GroupNames = req.Entry.Attributes.GroupName } if filer2.EqualEntry(entry, newEntry) { return &filer_pb.UpdateEntryResponse{}, err } if err = fs.filer.UpdateEntry(ctx, entry, newEntry); err == nil { fs.filer.DeleteChunks(garbage) } else { glog.V(3).Infof("UpdateEntry %s: %v", filepath.Join(req.Directory, req.Entry.Name), err) } fs.filer.NotifyUpdateEvent(ctx, entry, newEntry, true, req.IsFromOtherCluster) return &filer_pb.UpdateEntryResponse{}, err } func (fs *FilerServer) cleanupChunks(existingEntry *filer2.Entry, newEntry *filer_pb.Entry) (chunks, garbage []*filer_pb.FileChunk, err error) { chunks = newEntry.Chunks // remove old chunks if not included in the new ones if existingEntry != nil { garbage, err = filer2.MinusChunks(fs.lookupFileId, existingEntry.Chunks, newEntry.Chunks) if err != nil { return chunks, nil, fmt.Errorf("MinusChunks: %v", err) } } // files with manifest chunks are usually large and append only, skip calculating covered chunks var coveredChunks []*filer_pb.FileChunk if !filer2.HasChunkManifest(newEntry.Chunks) { chunks, coveredChunks = filer2.CompactFileChunks(fs.lookupFileId, newEntry.Chunks) garbage = append(garbage, coveredChunks...) } chunks, err = filer2.MaybeManifestize(fs.saveAsChunk( newEntry.Attributes.Replication, newEntry.Attributes.Collection, "", needle.SecondsToTTL(newEntry.Attributes.TtlSec), false), chunks) if err != nil { // not good, but should be ok glog.V(0).Infof("MaybeManifestize: %v", err) } return } func (fs *FilerServer) AppendToEntry(ctx context.Context, req *filer_pb.AppendToEntryRequest) (*filer_pb.AppendToEntryResponse, error) { glog.V(4).Infof("AppendToEntry %v", req) fullpath := util.NewFullPath(req.Directory, req.EntryName) var offset int64 = 0 entry, err := fs.filer.FindEntry(ctx, util.FullPath(fullpath)) if err == filer_pb.ErrNotFound { entry = &filer2.Entry{ FullPath: fullpath, Attr: filer2.Attr{ Crtime: time.Now(), Mtime: time.Now(), Mode: os.FileMode(0644), Uid: OS_UID, Gid: OS_GID, }, } } else { offset = int64(filer2.TotalSize(entry.Chunks)) } for _, chunk := range req.Chunks { chunk.Offset = offset offset += int64(chunk.Size) } entry.Chunks = append(entry.Chunks, req.Chunks...) entry.Chunks, err = filer2.MaybeManifestize(fs.saveAsChunk( entry.Replication, entry.Collection, "", needle.SecondsToTTL(entry.TtlSec), false), entry.Chunks) if err != nil { // not good, but should be ok glog.V(0).Infof("MaybeManifestize: %v", err) } err = fs.filer.CreateEntry(context.Background(), entry, false, false) return &filer_pb.AppendToEntryResponse{}, err } func (fs *FilerServer) DeleteEntry(ctx context.Context, req *filer_pb.DeleteEntryRequest) (resp *filer_pb.DeleteEntryResponse, err error) { glog.V(4).Infof("DeleteEntry %v", req) err = fs.filer.DeleteEntryMetaAndData(ctx, util.JoinPath(req.Directory, req.Name), req.IsRecursive, req.IgnoreRecursiveError, req.IsDeleteData, req.IsFromOtherCluster) resp = &filer_pb.DeleteEntryResponse{} if err != nil { resp.Error = err.Error() } return resp, nil } func (fs *FilerServer) AssignVolume(ctx context.Context, req *filer_pb.AssignVolumeRequest) (resp *filer_pb.AssignVolumeResponse, err error) { ttlStr := "" if req.TtlSec > 0 { ttlStr = strconv.Itoa(int(req.TtlSec)) } collection, replication, _ := fs.detectCollection(req.ParentPath, req.Collection, req.Replication) var altRequest *operation.VolumeAssignRequest dataCenter := req.DataCenter if dataCenter == "" { dataCenter = fs.option.DataCenter } assignRequest := &operation.VolumeAssignRequest{ Count: uint64(req.Count), Replication: replication, Collection: collection, Ttl: ttlStr, DataCenter: dataCenter, } if dataCenter != "" { altRequest = &operation.VolumeAssignRequest{ Count: uint64(req.Count), Replication: replication, Collection: collection, Ttl: ttlStr, DataCenter: "", } } assignResult, err := operation.Assign(fs.filer.GetMaster(), fs.grpcDialOption, assignRequest, altRequest) if err != nil { glog.V(3).Infof("AssignVolume: %v", err) return &filer_pb.AssignVolumeResponse{Error: fmt.Sprintf("assign volume: %v", err)}, nil } if assignResult.Error != "" { glog.V(3).Infof("AssignVolume error: %v", assignResult.Error) return &filer_pb.AssignVolumeResponse{Error: fmt.Sprintf("assign volume result: %v", assignResult.Error)}, nil } return &filer_pb.AssignVolumeResponse{ FileId: assignResult.Fid, Count: int32(assignResult.Count), Url: assignResult.Url, PublicUrl: assignResult.PublicUrl, Auth: string(assignResult.Auth), Collection: collection, Replication: replication, }, nil } func (fs *FilerServer) DeleteCollection(ctx context.Context, req *filer_pb.DeleteCollectionRequest) (resp *filer_pb.DeleteCollectionResponse, err error) { glog.V(4).Infof("DeleteCollection %v", req) err = fs.filer.MasterClient.WithClient(func(client master_pb.SeaweedClient) error { _, err := client.CollectionDelete(context.Background(), &master_pb.CollectionDeleteRequest{ Name: req.GetCollection(), }) return err }) return &filer_pb.DeleteCollectionResponse{}, err } func (fs *FilerServer) Statistics(ctx context.Context, req *filer_pb.StatisticsRequest) (resp *filer_pb.StatisticsResponse, err error) { var output *master_pb.StatisticsResponse err = fs.filer.MasterClient.WithClient(func(masterClient master_pb.SeaweedClient) error { grpcResponse, grpcErr := masterClient.Statistics(context.Background(), &master_pb.StatisticsRequest{ Replication: req.Replication, Collection: req.Collection, Ttl: req.Ttl, }) if grpcErr != nil { return grpcErr } output = grpcResponse return nil }) if err != nil { return nil, err } return &filer_pb.StatisticsResponse{ TotalSize: output.TotalSize, UsedSize: output.UsedSize, FileCount: output.FileCount, }, nil } func (fs *FilerServer) GetFilerConfiguration(ctx context.Context, req *filer_pb.GetFilerConfigurationRequest) (resp *filer_pb.GetFilerConfigurationResponse, err error) { t := &filer_pb.GetFilerConfigurationResponse{ Masters: fs.option.Masters, Collection: fs.option.Collection, Replication: fs.option.DefaultReplication, MaxMb: uint32(fs.option.MaxMB), DirBuckets: fs.filer.DirBucketsPath, Cipher: fs.filer.Cipher, } glog.V(4).Infof("GetFilerConfiguration: %v", t) return t, nil } func (fs *FilerServer) KeepConnected(stream filer_pb.SeaweedFiler_KeepConnectedServer) error { req, err := stream.Recv() if err != nil { return err } clientName := fmt.Sprintf("%s:%d", req.Name, req.GrpcPort) m := make(map[string]bool) for _, tp := range req.Resources { m[tp] = true } fs.brokersLock.Lock() fs.brokers[clientName] = m glog.V(0).Infof("+ broker %v", clientName) fs.brokersLock.Unlock() defer func() { fs.brokersLock.Lock() delete(fs.brokers, clientName) glog.V(0).Infof("- broker %v: %v", clientName, err) fs.brokersLock.Unlock() }() for { if err := stream.Send(&filer_pb.KeepConnectedResponse{}); err != nil { glog.V(0).Infof("send broker %v: %+v", clientName, err) return err } // println("replied") if _, err := stream.Recv(); err != nil { glog.V(0).Infof("recv broker %v: %v", clientName, err) return err } // println("received") } } func (fs *FilerServer) LocateBroker(ctx context.Context, req *filer_pb.LocateBrokerRequest) (resp *filer_pb.LocateBrokerResponse, err error) { resp = &filer_pb.LocateBrokerResponse{} fs.brokersLock.Lock() defer fs.brokersLock.Unlock() var localBrokers []*filer_pb.LocateBrokerResponse_Resource for b, m := range fs.brokers { if _, found := m[req.Resource]; found { resp.Found = true resp.Resources = []*filer_pb.LocateBrokerResponse_Resource{ { GrpcAddresses: b, ResourceCount: int32(len(m)), }, } return } localBrokers = append(localBrokers, &filer_pb.LocateBrokerResponse_Resource{ GrpcAddresses: b, ResourceCount: int32(len(m)), }) } resp.Resources = localBrokers return resp, nil }