mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
513 lines
14 KiB
Go
513 lines
14 KiB
Go
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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"strings"
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"time"
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"github.com/chrislusf/seaweedfs/weed/filer2"
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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: &filer_pb.Entry{
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Name: req.Name,
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IsDirectory: entry.IsDirectory(),
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Attributes: filer2.EntryAttributeToPb(entry),
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Chunks: entry.Chunks,
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Extended: entry.Extended,
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},
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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) 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 := filer2.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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for limit > 0 {
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entries, err := fs.filer.ListDirectoryEntries(stream.Context(), util.FullPath(req.Directory), lastFileName, includeLastFile, paginationLimit)
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if err != nil {
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return err
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}
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if len(entries) == 0 {
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return nil
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}
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includeLastFile = false
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for _, entry := range entries {
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lastFileName = entry.Name()
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if req.Prefix != "" {
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if !strings.HasPrefix(entry.Name(), req.Prefix) {
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continue
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}
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}
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if err := stream.Send(&filer_pb.ListEntriesResponse{
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Entry: &filer_pb.Entry{
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Name: entry.Name(),
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IsDirectory: entry.IsDirectory(),
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Chunks: entry.Chunks,
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Attributes: filer2.EntryAttributeToPb(entry),
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Extended: entry.Extended,
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},
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}); err != nil {
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return err
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}
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limit--
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if limit == 0 {
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return nil
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}
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}
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if len(entries) < paginationLimit {
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break
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}
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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) (targetUrl string, err error) {
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fid, err := needle.ParseFileIdFromString(fileId)
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if err != nil {
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return "", 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 "", fmt.Errorf("not found volume %d in %s", fid.VolumeId, fileId)
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}
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return fmt.Sprintf("http://%s/%s", locations[0].Url, fileId), nil
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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", req)
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resp = &filer_pb.CreateEntryResponse{}
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chunks, garbage, err2 := fs.cleanupChunks(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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if req.Entry.Attributes == nil {
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glog.V(3).Infof("CreateEntry %s: nil attributes", filepath.Join(req.Directory, req.Entry.Name))
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resp.Error = fmt.Sprintf("can not create entry with empty attributes")
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return
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}
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createErr := fs.filer.CreateEntry(ctx, &filer2.Entry{
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FullPath: util.JoinPath(req.Directory, req.Entry.Name),
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Attr: filer2.PbToEntryAttribute(req.Entry.Attributes),
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Chunks: chunks,
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}, req.OExcl, req.IsFromOtherCluster)
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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(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 := &filer2.Entry{
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FullPath: util.JoinPath(req.Directory, req.Entry.Name),
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Attr: entry.Attr,
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Extended: req.Entry.Extended,
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Chunks: chunks,
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}
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glog.V(3).Infof("updating %s: %+v, chunks %d: %v => %+v, chunks %d: %v, extended: %v => %v",
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fullpath, entry.Attr, len(entry.Chunks), entry.Chunks,
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req.Entry.Attributes, len(req.Entry.Chunks), req.Entry.Chunks,
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entry.Extended, req.Entry.Extended)
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if req.Entry.Attributes != nil {
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if req.Entry.Attributes.Mtime != 0 {
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newEntry.Attr.Mtime = time.Unix(req.Entry.Attributes.Mtime, 0)
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}
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if req.Entry.Attributes.FileMode != 0 {
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newEntry.Attr.Mode = os.FileMode(req.Entry.Attributes.FileMode)
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}
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newEntry.Attr.Uid = req.Entry.Attributes.Uid
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newEntry.Attr.Gid = req.Entry.Attributes.Gid
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newEntry.Attr.Mime = req.Entry.Attributes.Mime
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newEntry.Attr.UserName = req.Entry.Attributes.UserName
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newEntry.Attr.GroupNames = req.Entry.Attributes.GroupName
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}
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if filer2.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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} 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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fs.filer.NotifyUpdateEvent(ctx, entry, newEntry, true, req.IsFromOtherCluster)
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return &filer_pb.UpdateEntryResponse{}, err
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}
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func (fs *FilerServer) cleanupChunks(existingEntry *filer2.Entry, newEntry *filer_pb.Entry) (chunks, garbage []*filer_pb.FileChunk, err error) {
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chunks = newEntry.Chunks
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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 = filer2.MinusChunks(fs.lookupFileId, existingEntry.Chunks, newEntry.Chunks)
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if err != nil {
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return 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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var coveredChunks []*filer_pb.FileChunk
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if !filer2.HasChunkManifest(newEntry.Chunks) {
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chunks, coveredChunks = filer2.CompactFileChunks(fs.lookupFileId, newEntry.Chunks)
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garbage = append(garbage, coveredChunks...)
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}
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chunks, err = filer2.MaybeManifestize(fs.saveAsChunk(
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newEntry.Attributes.Replication,
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newEntry.Attributes.Collection,
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"",
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needle.SecondsToTTL(newEntry.Attributes.TtlSec),
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false), 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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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, util.FullPath(fullpath))
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if err == filer_pb.ErrNotFound {
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entry = &filer2.Entry{
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FullPath: fullpath,
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Attr: filer2.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(filer2.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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entry.Chunks, err = filer2.MaybeManifestize(fs.saveAsChunk(
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entry.Replication,
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entry.Collection,
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"",
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needle.SecondsToTTL(entry.TtlSec),
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false), 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)
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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)
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resp = &filer_pb.DeleteEntryResponse{}
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if err != nil {
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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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ttlStr := ""
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if req.TtlSec > 0 {
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ttlStr = strconv.Itoa(int(req.TtlSec))
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}
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collection, replication, _ := fs.detectCollection(req.ParentPath, req.Collection, req.Replication)
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var altRequest *operation.VolumeAssignRequest
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dataCenter := req.DataCenter
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if dataCenter == "" {
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dataCenter = fs.option.DataCenter
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}
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assignRequest := &operation.VolumeAssignRequest{
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Count: uint64(req.Count),
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Replication: replication,
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Collection: collection,
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Ttl: ttlStr,
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DataCenter: dataCenter,
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}
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if dataCenter != "" {
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altRequest = &operation.VolumeAssignRequest{
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Count: uint64(req.Count),
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Replication: replication,
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Collection: collection,
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Ttl: ttlStr,
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DataCenter: "",
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}
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}
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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: collection,
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Replication: replication,
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}, nil
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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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})
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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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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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}
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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{
|
|
GrpcAddresses: b,
|
|
ResourceCount: int32(len(m)),
|
|
})
|
|
}
|
|
|
|
resp.Resources = localBrokers
|
|
|
|
return resp, nil
|
|
|
|
}
|