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package weed_server
import ( "context" "fmt" "os" "path/filepath" "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/util" "strconv" "strings" )
func (fs *FilerServer) LookupDirectoryEntry(ctx context.Context, req *filer_pb.LookupDirectoryEntryRequest) (*filer_pb.LookupDirectoryEntryResponse, error) {
entry, err := fs.filer.FindEntry(filer2.FullPath(filepath.Join(req.Directory, req.Name))) if err != nil { return nil, fmt.Errorf("%s not found under %s: %v", req.Name, req.Directory, err) }
return &filer_pb.LookupDirectoryEntryResponse{ Entry: &filer_pb.Entry{ Name: req.Name, IsDirectory: entry.IsDirectory(), Attributes: filer2.EntryAttributeToPb(entry), Chunks: entry.Chunks, }, }, nil }
func (fs *FilerServer) ListEntries(ctx context.Context, req *filer_pb.ListEntriesRequest) (*filer_pb.ListEntriesResponse, error) {
limit := int(req.Limit) if limit == 0 { limit = fs.option.DirListingLimit }
resp := &filer_pb.ListEntriesResponse{} lastFileName := req.StartFromFileName includeLastFile := req.InclusiveStartFrom for limit > 0 { entries, err := fs.filer.ListDirectoryEntries(filer2.FullPath(req.Directory), lastFileName, includeLastFile, limit) if err != nil { return nil, err } if len(entries) == 0 { return resp, nil }
includeLastFile = false
for _, entry := range entries {
lastFileName = entry.Name()
if req.Prefix != "" { if !strings.HasPrefix(entry.Name(), req.Prefix) { continue } }
resp.Entries = append(resp.Entries, &filer_pb.Entry{ Name: entry.Name(), IsDirectory: entry.IsDirectory(), Chunks: entry.Chunks, Attributes: filer2.EntryAttributeToPb(entry), }) limit-- }
}
return resp, 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 for _, loc := range fs.filer.MasterClient.GetLocations(uint32(vid)) { 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) CreateEntry(ctx context.Context, req *filer_pb.CreateEntryRequest) (resp *filer_pb.CreateEntryResponse, err error) {
fullpath := filer2.FullPath(filepath.Join(req.Directory, req.Entry.Name)) chunks, garbages := filer2.CompactFileChunks(req.Entry.Chunks)
fs.filer.DeleteChunks(garbages)
err = fs.filer.CreateEntry(&filer2.Entry{ FullPath: fullpath, Attr: filer2.PbToEntryAttribute(req.Entry.Attributes), Chunks: chunks, })
if err == nil { }
return &filer_pb.CreateEntryResponse{}, err }
func (fs *FilerServer) UpdateEntry(ctx context.Context, req *filer_pb.UpdateEntryRequest) (*filer_pb.UpdateEntryResponse, error) {
fullpath := filepath.Join(req.Directory, req.Entry.Name) entry, err := fs.filer.FindEntry(filer2.FullPath(fullpath)) if err != nil { return &filer_pb.UpdateEntryResponse{}, fmt.Errorf("not found %s: %v", fullpath, err) }
// remove old chunks if not included in the new ones
unusedChunks := filer2.FindUnusedFileChunks(entry.Chunks, req.Entry.Chunks)
chunks, garbages := filer2.CompactFileChunks(req.Entry.Chunks)
newEntry := &filer2.Entry{ FullPath: filer2.FullPath(filepath.Join(req.Directory, req.Entry.Name)), Attr: entry.Attr, Chunks: chunks, }
glog.V(3).Infof("updating %s: %+v, chunks %d: %v => %+v, chunks %d: %v", fullpath, entry.Attr, len(entry.Chunks), entry.Chunks, req.Entry.Attributes, len(req.Entry.Chunks), req.Entry.Chunks)
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
}
if filer2.EqualEntry(entry, newEntry) { return &filer_pb.UpdateEntryResponse{}, err }
if err = fs.filer.UpdateEntry(newEntry); err == nil { fs.filer.DeleteChunks(unusedChunks) fs.filer.DeleteChunks(garbages) }
fs.filer.NotifyUpdateEvent(entry, newEntry, true)
return &filer_pb.UpdateEntryResponse{}, err }
func (fs *FilerServer) DeleteEntry(ctx context.Context, req *filer_pb.DeleteEntryRequest) (resp *filer_pb.DeleteEntryResponse, err error) { err = fs.filer.DeleteEntryMetaAndData(filer2.FullPath(filepath.Join(req.Directory, req.Name)), req.IsRecursive, req.IsDeleteData) return &filer_pb.DeleteEntryResponse{}, err }
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)) }
var altRequest *operation.VolumeAssignRequest
dataCenter := req.DataCenter if dataCenter == "" { dataCenter = fs.option.DataCenter }
assignRequest := &operation.VolumeAssignRequest{ Count: uint64(req.Count), Replication: req.Replication, Collection: req.Collection, Ttl: ttlStr, DataCenter: dataCenter, } if dataCenter != "" { altRequest = &operation.VolumeAssignRequest{ Count: uint64(req.Count), Replication: req.Replication, Collection: req.Collection, Ttl: ttlStr, DataCenter: "", } } assignResult, err := operation.Assign(fs.filer.GetMaster(), assignRequest, altRequest) if err != nil { return nil, fmt.Errorf("assign volume: %v", err) } if assignResult.Error != "" { return nil, fmt.Errorf("assign volume result: %v", assignResult.Error) }
return &filer_pb.AssignVolumeResponse{ FileId: assignResult.Fid, Count: int32(assignResult.Count), Url: assignResult.Url, PublicUrl: assignResult.PublicUrl, }, err }
func (fs *FilerServer) DeleteCollection(ctx context.Context, req *filer_pb.DeleteCollectionRequest) (resp *filer_pb.DeleteCollectionResponse, err error) {
for _, master := range fs.option.Masters { _, err = util.Get(fmt.Sprintf("http://%s/col/delete?collection=%s", master, req.Collection)) }
return &filer_pb.DeleteCollectionResponse{}, err }
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