package s3api import ( "context" "fmt" "io" "os" "strings" "time" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" ) func (s3a *S3ApiServer) mkdir(parentDirectoryPath string, dirName string, fn func(entry *filer_pb.Entry)) error { return s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { entry := &filer_pb.Entry{ Name: dirName, IsDirectory: true, Attributes: &filer_pb.FuseAttributes{ Mtime: time.Now().Unix(), Crtime: time.Now().Unix(), FileMode: uint32(0777 | os.ModeDir), Uid: OS_UID, Gid: OS_GID, }, } if fn != nil { fn(entry) } request := &filer_pb.CreateEntryRequest{ Directory: parentDirectoryPath, Entry: entry, } glog.V(1).Infof("mkdir: %v", request) if err := filer_pb.CreateEntry(client, request); err != nil { glog.V(0).Infof("mkdir %v: %v", request, err) return fmt.Errorf("mkdir %s/%s: %v", parentDirectoryPath, dirName, err) } return nil }) } func (s3a *S3ApiServer) mkFile(parentDirectoryPath string, fileName string, chunks []*filer_pb.FileChunk) error { return s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { entry := &filer_pb.Entry{ Name: fileName, IsDirectory: false, Attributes: &filer_pb.FuseAttributes{ Mtime: time.Now().Unix(), Crtime: time.Now().Unix(), FileMode: uint32(0770), Uid: OS_UID, Gid: OS_GID, }, Chunks: chunks, } request := &filer_pb.CreateEntryRequest{ Directory: parentDirectoryPath, Entry: entry, } glog.V(1).Infof("create file: %s/%s", parentDirectoryPath, fileName) if err := filer_pb.CreateEntry(client, request); err != nil { glog.V(0).Infof("create file %v:%v", request, err) return fmt.Errorf("create file %s/%s: %v", parentDirectoryPath, fileName, err) } return nil }) } func (s3a *S3ApiServer) list(parentDirectoryPath, prefix, startFrom string, inclusive bool, limit int) (entries []*filer_pb.Entry, err error) { err = s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { request := &filer_pb.ListEntriesRequest{ Directory: parentDirectoryPath, Prefix: prefix, StartFromFileName: startFrom, InclusiveStartFrom: inclusive, Limit: uint32(limit), } glog.V(4).Infof("read directory: %v", request) stream, err := client.ListEntries(context.Background(), request) if err != nil { glog.V(0).Infof("read directory %v: %v", request, err) return fmt.Errorf("list dir %v: %v", parentDirectoryPath, err) } for { resp, recvErr := stream.Recv() if recvErr != nil { if recvErr == io.EOF { break } else { return recvErr } } entries = append(entries, resp.Entry) } return nil }) return } func (s3a *S3ApiServer) rm(parentDirectoryPath, entryName string, isDirectory, isDeleteData, isRecursive bool) error { return s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { request := &filer_pb.DeleteEntryRequest{ Directory: parentDirectoryPath, Name: entryName, IsDeleteData: isDeleteData, IsRecursive: isRecursive, } glog.V(1).Infof("delete entry %v/%v: %v", parentDirectoryPath, entryName, request) if _, err := client.DeleteEntry(context.Background(), request); err != nil { glog.V(0).Infof("delete entry %v: %v", request, err) return fmt.Errorf("delete entry %s/%s: %v", parentDirectoryPath, entryName, err) } return nil }) } func (s3a *S3ApiServer) streamRemove(quiet bool, fn func() (finished bool, parentDirectoryPath string, entryName string, isDeleteData, isRecursive bool), respFn func(err string)) error { return s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { stream, err := client.StreamDeleteEntries(context.Background()) if err != nil { glog.V(0).Infof("stream delete entry: %v", err) return fmt.Errorf("stream delete entry: %v", err) } waitc := make(chan struct{}) go func() { for { resp, err := stream.Recv() if err == io.EOF { // read done. close(waitc) return } if err != nil { glog.V(0).Infof("streamRemove: %v", err) return } respFn(resp.Error) } }() for { finished, parentDirectoryPath, entryName, isDeleteData, isRecursive := fn() if finished { break } err = stream.Send(&filer_pb.DeleteEntryRequest{ Directory: parentDirectoryPath, Name: entryName, IsDeleteData: isDeleteData, IsRecursive: isRecursive, IgnoreRecursiveError: quiet, }) if err != nil { glog.V(0).Infof("streamRemove: %v", err) break } } stream.CloseSend() <-waitc return err }) } func (s3a *S3ApiServer) exists(parentDirectoryPath string, entryName string, isDirectory bool) (exists bool, err error) { err = s3a.withFilerClient(func(client filer_pb.SeaweedFilerClient) error { request := &filer_pb.LookupDirectoryEntryRequest{ Directory: parentDirectoryPath, Name: entryName, } glog.V(4).Infof("exists entry %v/%v: %v", parentDirectoryPath, entryName, request) resp, err := filer_pb.LookupEntry(client, request) if err != nil { if err == filer_pb.ErrNotFound { exists = false return nil } glog.V(0).Infof("exists entry %v: %v", request, err) return fmt.Errorf("exists entry %s/%s: %v", parentDirectoryPath, entryName, err) } exists = resp.Entry.IsDirectory == isDirectory return nil }) return } func objectKey(key *string) *string { if strings.HasPrefix(*key, "/") { t := (*key)[1:] return &t } return key }