mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-11-25 11:39:12 +08:00
294 lines
8.2 KiB
Go
294 lines
8.2 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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)
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func (fs *FilerServer) LookupDirectoryEntry(ctx context.Context, req *filer_pb.LookupDirectoryEntryRequest) (*filer_pb.LookupDirectoryEntryResponse, error) {
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entry, err := fs.filer.FindEntry(ctx, filer2.FullPath(filepath.ToSlash(filepath.Join(req.Directory, req.Name))))
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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.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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},
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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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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(), filer2.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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},
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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) CreateEntry(ctx context.Context, req *filer_pb.CreateEntryRequest) (resp *filer_pb.CreateEntryResponse, err error) {
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fullpath := filer2.FullPath(filepath.ToSlash(filepath.Join(req.Directory, req.Entry.Name)))
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chunks, garbages := filer2.CompactFileChunks(req.Entry.Chunks)
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if req.Entry.Attributes == nil {
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return nil, fmt.Errorf("can not create entry with empty attributes")
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}
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err = fs.filer.CreateEntry(ctx, &filer2.Entry{
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FullPath: fullpath,
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Attr: filer2.PbToEntryAttribute(req.Entry.Attributes),
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Chunks: chunks,
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})
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if err == nil {
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fs.filer.DeleteChunks(fullpath, garbages)
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}
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return &filer_pb.CreateEntryResponse{}, err
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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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fullpath := filepath.ToSlash(filepath.Join(req.Directory, req.Entry.Name))
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entry, err := fs.filer.FindEntry(ctx, filer2.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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// remove old chunks if not included in the new ones
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unusedChunks := filer2.MinusChunks(entry.Chunks, req.Entry.Chunks)
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chunks, garbages := filer2.CompactFileChunks(req.Entry.Chunks)
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newEntry := &filer2.Entry{
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FullPath: filer2.FullPath(filepath.ToSlash(filepath.Join(req.Directory, req.Entry.Name))),
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Attr: entry.Attr,
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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",
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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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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(entry.FullPath, unusedChunks)
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fs.filer.DeleteChunks(entry.FullPath, garbages)
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}
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fs.filer.NotifyUpdateEvent(entry, newEntry, true)
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return &filer_pb.UpdateEntryResponse{}, 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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err = fs.filer.DeleteEntryMetaAndData(ctx, filer2.FullPath(filepath.ToSlash(filepath.Join(req.Directory, req.Name))), req.IsRecursive, req.IgnoreRecursiveError, req.IsDeleteData)
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return &filer_pb.DeleteEntryResponse{}, err
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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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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: req.Replication,
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Collection: req.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: req.Replication,
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Collection: req.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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return nil, fmt.Errorf("assign volume: %v", err)
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}
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if assignResult.Error != "" {
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return nil, fmt.Errorf("assign volume result: %v", assignResult.Error)
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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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}, err
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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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err = fs.filer.MasterClient.WithClient(ctx, func(client master_pb.SeaweedClient) error {
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_, err := client.CollectionDelete(ctx, &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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input := &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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output, err := operation.Statistics(fs.filer.GetMaster(), fs.grpcDialOption, input)
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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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return &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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}, nil
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}
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