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package weed_server
import ( "context" "fmt" "os" "path/filepath" "strconv" "time"
"github.com/chrislusf/seaweedfs/weed/filer" "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: filer.EntryAttributeToPb(entry), Chunks: entry.Chunks, Extended: entry.Extended, HardLinkId: entry.HardLinkId, HardLinkCounter: entry.HardLinkCounter, Content: entry.Content, }, }, nil }
func (fs *FilerServer) ListEntries(req *filer_pb.ListEntriesRequest, stream filer_pb.SeaweedFiler_ListEntriesServer) (err error) {
glog.V(4).Infof("ListEntries %v", req)
limit := int(req.Limit) if limit == 0 { limit = fs.option.DirListingLimit }
paginationLimit := filer.PaginationSize if limit < paginationLimit { paginationLimit = limit }
lastFileName := req.StartFromFileName includeLastFile := req.InclusiveStartFrom var listErr error for limit > 0 { var hasEntries bool lastFileName, listErr = fs.filer.StreamListDirectoryEntries(stream.Context(), util.FullPath(req.Directory), lastFileName, includeLastFile, int64(paginationLimit), req.Prefix, "", "", func(entry *filer.Entry) bool { hasEntries = true if err = stream.Send(&filer_pb.ListEntriesResponse{ Entry: &filer_pb.Entry{ Name: entry.Name(), IsDirectory: entry.IsDirectory(), Chunks: entry.Chunks, Attributes: filer.EntryAttributeToPb(entry), Extended: entry.Extended, HardLinkId: entry.HardLinkId, HardLinkCounter: entry.HardLinkCounter, Content: entry.Content, }, }); err != nil { return false }
limit-- if limit == 0 { return false } return true })
if listErr != nil { return listErr } if err != nil { return err } if !hasEntries { return nil }
includeLastFile = false
}
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) (targetUrls []string, err error) { fid, err := needle.ParseFileIdFromString(fileId) if err != nil { return nil, err } locations, found := fs.filer.MasterClient.GetLocations(uint32(fid.VolumeId)) if !found || len(locations) == 0 { return nil, fmt.Errorf("not found volume %d in %s", fid.VolumeId, fileId) } for _, loc := range locations { targetUrls = append(targetUrls, fmt.Sprintf("http://%s/%s", loc.Url, fileId)) } return }
func (fs *FilerServer) CreateEntry(ctx context.Context, req *filer_pb.CreateEntryRequest) (resp *filer_pb.CreateEntryResponse, err error) {
glog.V(4).Infof("CreateEntry %v/%v", req.Directory, req.Entry.Name)
resp = &filer_pb.CreateEntryResponse{}
chunks, garbage, err2 := fs.cleanupChunks(util.Join(req.Directory, req.Entry.Name), nil, req.Entry) if err2 != nil { return &filer_pb.CreateEntryResponse{}, fmt.Errorf("CreateEntry cleanupChunks %s %s: %v", req.Directory, req.Entry.Name, err2) }
createErr := fs.filer.CreateEntry(ctx, &filer.Entry{ FullPath: util.JoinPath(req.Directory, req.Entry.Name), Attr: filer.PbToEntryAttribute(req.Entry.Attributes), Chunks: chunks, Extended: req.Entry.Extended, HardLinkId: filer.HardLinkId(req.Entry.HardLinkId), HardLinkCounter: req.Entry.HardLinkCounter, Content: req.Entry.Content, }, req.OExcl, req.IsFromOtherCluster, req.Signatures)
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(fullpath, entry, req.Entry) if err2 != nil { return &filer_pb.UpdateEntryResponse{}, fmt.Errorf("UpdateEntry cleanupChunks %s: %v", fullpath, err2) }
newEntry := &filer.Entry{ FullPath: util.JoinPath(req.Directory, req.Entry.Name), Attr: entry.Attr, Extended: req.Entry.Extended, Chunks: chunks, HardLinkId: filer.HardLinkId(req.Entry.HardLinkId), HardLinkCounter: req.Entry.HardLinkCounter, Content: req.Entry.Content, }
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 filer.EqualEntry(entry, newEntry) { return &filer_pb.UpdateEntryResponse{}, err }
if err = fs.filer.UpdateEntry(ctx, entry, newEntry); err == nil { fs.filer.DeleteChunks(garbage)
fs.filer.NotifyUpdateEvent(ctx, entry, newEntry, true, req.IsFromOtherCluster, req.Signatures)
} else { glog.V(3).Infof("UpdateEntry %s: %v", filepath.Join(req.Directory, req.Entry.Name), err) }
return &filer_pb.UpdateEntryResponse{}, err }
func (fs *FilerServer) cleanupChunks(fullpath string, existingEntry *filer.Entry, newEntry *filer_pb.Entry) (chunks, garbage []*filer_pb.FileChunk, err error) {
// remove old chunks if not included in the new ones
if existingEntry != nil { garbage, err = filer.MinusChunks(fs.lookupFileId, existingEntry.Chunks, newEntry.Chunks) if err != nil { return newEntry.Chunks, nil, fmt.Errorf("MinusChunks: %v", err) } }
// files with manifest chunks are usually large and append only, skip calculating covered chunks
manifestChunks, nonManifestChunks := filer.SeparateManifestChunks(newEntry.Chunks)
chunks, coveredChunks := filer.CompactFileChunks(fs.lookupFileId, nonManifestChunks) garbage = append(garbage, coveredChunks...)
if newEntry.Attributes != nil { so := fs.detectStorageOption(fullpath, newEntry.Attributes.Collection, newEntry.Attributes.Replication, newEntry.Attributes.TtlSec, newEntry.Attributes.DiskType, "", "", ) chunks, err = filer.MaybeManifestize(fs.saveAsChunk(so), chunks) if err != nil { // not good, but should be ok
glog.V(0).Infof("MaybeManifestize: %v", err) } }
chunks = append(chunks, manifestChunks...)
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, fullpath) if err == filer_pb.ErrNotFound { entry = &filer.Entry{ FullPath: fullpath, Attr: filer.Attr{ Crtime: time.Now(), Mtime: time.Now(), Mode: os.FileMode(0644), Uid: OS_UID, Gid: OS_GID, }, } } else { offset = int64(filer.TotalSize(entry.Chunks)) }
for _, chunk := range req.Chunks { chunk.Offset = offset offset += int64(chunk.Size) }
entry.Chunks = append(entry.Chunks, req.Chunks...) so := fs.detectStorageOption(string(fullpath), entry.Collection, entry.Replication, entry.TtlSec, entry.DiskType, "", "") entry.Chunks, err = filer.MaybeManifestize(fs.saveAsChunk(so), 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, nil)
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, req.Signatures) resp = &filer_pb.DeleteEntryResponse{} if err != nil && err != filer_pb.ErrNotFound { resp.Error = err.Error() } return resp, nil }
func (fs *FilerServer) AssignVolume(ctx context.Context, req *filer_pb.AssignVolumeRequest) (resp *filer_pb.AssignVolumeResponse, err error) {
so := fs.detectStorageOption(req.Path, req.Collection, req.Replication, req.TtlSec, req.DiskType, req.DataCenter, req.Rack)
assignRequest, altRequest := so.ToAssignRequests(int(req.Count))
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: so.Collection, Replication: so.Replication, }, nil }
func (fs *FilerServer) CollectionList(ctx context.Context, req *filer_pb.CollectionListRequest) (resp *filer_pb.CollectionListResponse, err error) {
glog.V(4).Infof("CollectionList %v", req) resp = &filer_pb.CollectionListResponse{}
err = fs.filer.MasterClient.WithClient(func(client master_pb.SeaweedClient) error { masterResp, err := client.CollectionList(context.Background(), &master_pb.CollectionListRequest{ IncludeNormalVolumes: req.IncludeNormalVolumes, IncludeEcVolumes: req.IncludeEcVolumes, }) if err != nil { return err } for _, c := range masterResp.Collections { resp.Collections = append(resp.Collections, &filer_pb.Collection{Name: c.Name}) } return nil })
return }
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, DiskType: req.DiskType, }) 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, Signature: fs.filer.Signature, MetricsAddress: fs.metricsAddress, MetricsIntervalSec: int32(fs.metricsIntervalSec), }
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
}
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