add mime, use simple insert and update filer store API

1. add mime type to file in filer
2. purge old chunks if overwrite during insert

weed/command/filer_copy.go

@@ -174,7 +174,7 @@ func uploadFileAsOne(filerUrl string, urlFolder string, f *os.File, fi os.FileIn
 	fmt.Printf("uploaded %s to %s\n", f.Name(), targetUrl)
 
 	if err = filer_operation.RegisterFile(filerUrl, filepath.Join(urlFolder, f.Name()), assignResult.Fid, fi.Size(),
-		os.Getuid(), os.Getgid(), copy.secret); err != nil {
+		mimeType, os.Getuid(), os.Getgid(), copy.secret); err != nil {
 		fmt.Printf("Failed to register file %s on %s: %v\n", f.Name(), filerUrl, err)
 		return false
 	}
@@ -185,6 +185,8 @@ func uploadFileAsOne(filerUrl string, urlFolder string, f *os.File, fi os.FileIn
 
 func uploadFileInChunks(filerUrl string, urlFolder string, f *os.File, fi os.FileInfo, chunkCount int, chunkSize int64) bool {
 
+	mimeType := detectMimeType(f)
+
 	var chunks []*filer_pb.FileChunk
 
 	for i := int64(0); i < int64(chunkCount); i++ {
@@ -235,6 +237,7 @@ func uploadFileInChunks(filerUrl string, urlFolder string, f *os.File, fi os.Fil
 					Uid:      uint32(os.Getuid()),
 					FileSize: uint64(fi.Size()),
 					FileMode: uint32(fi.Mode()),
+					Mime:     mimeType,
 				},
 				Chunks: chunks,
 			},

weed/filer2/abstract_sql/abstract_sql_store.go

@@ -77,26 +77,21 @@ func (store *AbstractSqlStore) FindEntry(fullpath filer2.FullPath) (*filer2.Entr
 	return entry, nil
 }
 
-func (store *AbstractSqlStore) DeleteEntry(fullpath filer2.FullPath) (*filer2.Entry, error) {
-
-	entry, err := store.FindEntry(fullpath)
-	if err != nil {
-		return nil, nil
-	}
+func (store *AbstractSqlStore) DeleteEntry(fullpath filer2.FullPath) (error) {
 
 	dir, name := fullpath.DirAndName()
 
 	res, err := store.DB.Exec(store.SqlDelete, hashToLong(dir), name, dir)
 	if err != nil {
-		return nil, fmt.Errorf("delete %s: %s", fullpath, err)
+		return fmt.Errorf("delete %s: %s", fullpath, err)
 	}
 
 	_, err = res.RowsAffected()
 	if err != nil {
-		return nil, fmt.Errorf("delete %s but no rows affected: %s", fullpath, err)
+		return fmt.Errorf("delete %s but no rows affected: %s", fullpath, err)
 	}
 
-	return entry, nil
+	return nil
 }
 
 func (store *AbstractSqlStore) ListDirectoryEntries(fullpath filer2.FullPath, startFileName string, inclusive bool, limit int) (entries []*filer2.Entry, err error) {

weed/filer2/cassandra/cassandra_store.go

@@ -88,22 +88,17 @@ func (store *CassandraStore) FindEntry(fullpath filer2.FullPath) (entry *filer2.
 	return entry, nil
 }
 
-func (store *CassandraStore) DeleteEntry(fullpath filer2.FullPath) (entry *filer2.Entry, err error) {
-
-	entry, err = store.FindEntry(fullpath)
-	if err != nil {
-		return nil, nil
-	}
+func (store *CassandraStore) DeleteEntry(fullpath filer2.FullPath) error {
 
 	dir, name := fullpath.DirAndName()
 
 	if err := store.session.Query(
 		"DELETE FROM filemeta WHERE directory=? AND name=?",
 		dir, name).Exec(); err != nil {
-		return entry, fmt.Errorf("delete %s : %v", entry.FullPath, err)
+		return fmt.Errorf("delete %s : %v", fullpath, err)
 	}
 
-	return entry, nil
+	return nil
 }
 
 func (store *CassandraStore) ListDirectoryEntries(fullpath filer2.FullPath, startFileName string, inclusive bool,

weed/filer2/entry.go

@@ -13,6 +13,7 @@ type Attr struct {
 	Mode   os.FileMode // file mode
 	Uid    uint32      // owner uid
 	Gid    uint32      // group gid
+	Mime   string
 }
 
 func (attr Attr) IsDirectory() bool {

weed/filer2/entry_codec.go

@@ -17,6 +17,7 @@ func (entry *Entry) EncodeAttributesAndChunks() ([]byte, error) {
 			FileMode: uint32(entry.Attr.Mode),
 			Uid:      entry.Uid,
 			Gid:      entry.Gid,
+			Mime:     entry.Mime,
 		},
 		Chunks: entry.Chunks,
 	}
@@ -36,6 +37,7 @@ func (entry *Entry) DecodeAttributesAndChunks(blob []byte) error {
 	entry.Attr.Mode = os.FileMode(message.Attributes.FileMode)
 	entry.Attr.Uid = message.Attributes.Uid
 	entry.Attr.Gid = message.Attributes.Gid
+	entry.Attr.Mime = message.Attributes.Mime
 
 	entry.Chunks = message.Chunks
 

weed/filer2/filer.go

@@ -9,6 +9,7 @@ import (
 	"path/filepath"
 	"strings"
 	"time"
+	"github.com/chrislusf/seaweedfs/weed/operation"
 )
 
 type Filer struct {
@@ -101,6 +102,10 @@ func (f *Filer) CreateEntry(entry *Entry) error {
 		}
 	*/
 
+	if oldEntry, err := f.FindEntry(entry.FullPath); err == nil {
+		f.deleteChunks(oldEntry)
+	}
+
 	if err := f.store.InsertEntry(entry); err != nil {
 		return fmt.Errorf("insert entry %s: %v", entry.FullPath, err)
 	}
@@ -116,26 +121,30 @@ func (f *Filer) FindEntry(p FullPath) (entry *Entry, err error) {
 	return f.store.FindEntry(p)
 }
 
-func (f *Filer) DeleteEntry(p FullPath) (fileEntry *Entry, err error) {
+func (f *Filer) DeleteEntryMetaAndData(p FullPath) (err error) {
 	entry, err := f.FindEntry(p)
 	if err != nil {
-		return nil, err
+		return err
 	}
+
 	if entry.IsDirectory() {
 		entries, err := f.ListDirectoryEntries(p, "", false, 1)
 		if err != nil {
-			return nil, fmt.Errorf("list folder %s: %v", p, err)
+			return fmt.Errorf("list folder %s: %v", p, err)
 		}
 		if len(entries) > 0 {
-			return nil, fmt.Errorf("folder %s is not empty", p)
+			return fmt.Errorf("folder %s is not empty", p)
 		}
 	}
+
+	f.deleteChunks(entry)
+
 	return f.store.DeleteEntry(p)
 }
 
 func (f *Filer) ListDirectoryEntries(p FullPath, startFileName string, inclusive bool, limit int) ([]*Entry, error) {
 	if strings.HasSuffix(string(p), "/") && len(p) > 1 {
-		p = p[0 : len(p)-1]
+		p = p[0: len(p)-1]
 	}
 	return f.store.ListDirectoryEntries(p, startFileName, inclusive, limit)
 }
@@ -164,3 +173,17 @@ func (f *Filer) cacheSetDirectory(dirpath string, dirEntry *Entry, level int) {
 
 	f.directoryCache.Set(dirpath, dirEntry, time.Duration(minutes)*time.Minute)
 }
+
+func (f *Filer) deleteChunks(entry *Entry) {
+	if f.master == "" {
+		return
+	}
+	if entry == nil {
+		return
+	}
+	for _, chunk := range entry.Chunks {
+		if err := operation.DeleteFile(f.master, chunk.FileId, ""); err != nil {
+			glog.V(0).Infof("deleting file %s: %v", chunk.FileId, err)
+		}
+	}
+}

weed/filer2/filerstore.go

@@ -11,7 +11,7 @@ type FilerStore interface {
 	InsertEntry(*Entry) error
 	UpdateEntry(*Entry) (err error)
 	FindEntry(FullPath) (entry *Entry, err error)
-	DeleteEntry(FullPath) (fileEntry *Entry, err error)
+	DeleteEntry(FullPath) (err error)
 	ListDirectoryEntries(dirPath FullPath, startFileName string, inclusive bool, limit int) ([]*Entry, error)
 }
 

weed/filer2/leveldb/leveldb_store.go

@@ -93,20 +93,15 @@ func (store *LevelDBStore) FindEntry(fullpath filer2.FullPath) (entry *filer2.En
 	return entry, nil
 }
 
-func (store *LevelDBStore) DeleteEntry(fullpath filer2.FullPath) (entry *filer2.Entry, err error) {
+func (store *LevelDBStore) DeleteEntry(fullpath filer2.FullPath) (err error) {
 	key := genKey(fullpath.DirAndName())
 
-	entry, err = store.FindEntry(fullpath)
-	if err != nil {
-		return nil, nil
-	}
-
 	err = store.db.Delete(key, nil)
 	if err != nil {
-		return entry, fmt.Errorf("delete %s : %v", entry.FullPath, err)
+		return fmt.Errorf("delete %s : %v", fullpath, err)
 	}
 
-	return entry, nil
+	return nil
 }
 
 func (store *LevelDBStore) ListDirectoryEntries(fullpath filer2.FullPath, startFileName string, inclusive bool,

weed/filer2/memdb/memdb_store.go

@@ -56,13 +56,9 @@ func (store *MemDbStore) FindEntry(fullpath filer2.FullPath) (entry *filer2.Entr
 	return entry, nil
 }
 
-func (store *MemDbStore) DeleteEntry(fullpath filer2.FullPath) (entry *filer2.Entry, err error) {
-	item := store.tree.Delete(entryItem{&filer2.Entry{FullPath: fullpath}})
-	if item == nil {
-		return nil, nil
-	}
-	entry = item.(entryItem).Entry
-	return entry, nil
+func (store *MemDbStore) DeleteEntry(fullpath filer2.FullPath) (err error) {
+	store.tree.Delete(entryItem{&filer2.Entry{FullPath: fullpath}})
+	return nil
 }
 
 func (store *MemDbStore) ListDirectoryEntries(fullpath filer2.FullPath, startFileName string, inclusive bool, limit int) (entries []*filer2.Entry, err error) {

weed/filer2/memdb/memdb_store_test.go

@@ -134,7 +134,7 @@ func TestCreateFileAndList(t *testing.T) {
 	}
 
 	// delete file and count
-	filer.DeleteEntry(file3Path)
+	filer.DeleteEntryMetaAndData(file3Path)
 	entries, _ = filer.ListDirectoryEntries(filer2.FullPath("/home/chris/this/is"), "", false, 100)
 	if len(entries) != 1 {
 		t.Errorf("list entries count: %v", len(entries))

weed/filer2/redis/redis_store.go

@@ -94,28 +94,23 @@ func (store *RedisStore) FindEntry(fullpath filer2.FullPath) (entry *filer2.Entr
 	return entry, nil
 }
 
-func (store *RedisStore) DeleteEntry(fullpath filer2.FullPath) (entry *filer2.Entry, err error) {
-
-	entry, err = store.FindEntry(fullpath)
-	if err != nil {
-		return nil, nil
-	}
+func (store *RedisStore) DeleteEntry(fullpath filer2.FullPath) (err error) {
 
 	_, err = store.Client.Del(string(fullpath)).Result()
 
 	if err != nil {
-		return entry, fmt.Errorf("delete %s : %v", entry.FullPath, err)
+		return fmt.Errorf("delete %s : %v", fullpath, err)
 	}
 
 	dir, name := fullpath.DirAndName()
 	if name != "" {
 		_, err = store.Client.SRem(genDirectoryListKey(dir), name).Result()
 		if err != nil {
-			return nil, fmt.Errorf("delete %s in parent dir: %v", entry.FullPath, err)
+			return fmt.Errorf("delete %s in parent dir: %v", fullpath, err)
 		}
 	}
 
-	return entry, nil
+	return nil
 }
 
 func (store *RedisStore) ListDirectoryEntries(fullpath filer2.FullPath, startFileName string, inclusive bool,

weed/filesys/filehandle.go

@@ -11,6 +11,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"strings"
 	"sync"
+	"net/http"
 )
 
 type FileHandle struct {
@@ -18,10 +19,6 @@ type FileHandle struct {
 	dirtyPages    *ContinuousDirtyPages
 	dirtyMetadata bool
 
-	cachePath string
-
-	handle uint64
-
 	f         *File
 	RequestId fuse.RequestID // unique ID for request
 	NodeId    fuse.NodeID    // file or directory the request is about
@@ -135,6 +132,11 @@ func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *f
 
 	resp.Size = len(req.Data)
 
+	if req.Offset == 0 {
+		fh.f.attributes.Mime = http.DetectContentType(req.Data)
+		fh.dirtyMetadata = true
+	}
+
 	if chunk != nil {
 		fh.f.Chunks = append(fh.f.Chunks, chunk)
 		glog.V(1).Infof("uploaded %s/%s to %s [%d,%d)", fh.f.dir.Path, fh.f.Name, chunk.FileId, chunk.Offset, chunk.Offset+int64(chunk.Size))

weed/operation/filer/register.go

@@ -17,7 +17,7 @@ type SubmitResult struct {
 	Error    string `json:"error,omitempty"`
 }
 
-func RegisterFile(filer string, path string, fileId string, fileSize int64, uid, gid int, secret security.Secret) error {
+func RegisterFile(filer string, path string, fileId string, fileSize int64, mime string, uid, gid int, secret security.Secret) error {
 	// TODO: jwt need to be used
 	_ = security.GenJwt(secret, fileId)
 
@@ -27,6 +27,7 @@ func RegisterFile(filer string, path string, fileId string, fileSize int64, uid,
 	values.Add("fileSize", strconv.FormatInt(fileSize, 10))
 	values.Add("uid", strconv.Itoa(uid))
 	values.Add("gid", strconv.Itoa(gid))
+	values.Add("mime", mime)
 	_, err := util.Post("http://"+filer+"/admin/register", values)
 	if err != nil {
 		return fmt.Errorf("Failed to register path %s on filer %s to file id %s : %v", path, filer, fileId, err)

weed/pb/filer.proto

@@ -72,6 +72,7 @@ message FuseAttributes {
     uint32 uid = 4;
     uint32 gid = 5;
     int64 crtime = 6;
+    string mime = 7;
 }
 
 message GetEntryAttributesRequest {

weed/pb/filer_pb/filer.pb.go

@@ -214,6 +214,7 @@ type FuseAttributes struct {
 	Uid      uint32 `protobuf:"varint,4,opt,name=uid" json:"uid,omitempty"`
 	Gid      uint32 `protobuf:"varint,5,opt,name=gid" json:"gid,omitempty"`
 	Crtime   int64  `protobuf:"varint,6,opt,name=crtime" json:"crtime,omitempty"`
+	Mime     string `protobuf:"bytes,7,opt,name=mime" json:"mime,omitempty"`
 }
 
 func (m *FuseAttributes) Reset()                    { *m = FuseAttributes{} }
@@ -263,6 +264,13 @@ func (m *FuseAttributes) GetCrtime() int64 {
 	return 0
 }
 
+func (m *FuseAttributes) GetMime() string {
+	if m != nil {
+		return m.Mime
+	}
+	return ""
+}
+
 type GetEntryAttributesRequest struct {
 	Name      string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
 	ParentDir string `protobuf:"bytes,2,opt,name=parent_dir,json=parentDir" json:"parent_dir,omitempty"`
@@ -931,62 +939,62 @@ var _SeaweedFiler_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("filer.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 899 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xb4, 0x56, 0xdd, 0x6e, 0xdc, 0x44,
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-	0x9c, 0x8d, 0x36, 0xa4, 0x52, 0x0a, 0xcd, 0x12, 0x0f, 0x1b, 0xad, 0x2f, 0x5f, 0x36, 0xda, 0x90,
-	0xe2, 0x6c, 0x91, 0x57, 0x30, 0xb5, 0x45, 0x80, 0x58, 0x09, 0x03, 0x5a, 0x34, 0xbf, 0xbf, 0xc9,
-	0x6d, 0x03, 0xda, 0x33, 0x6f, 0x03, 0x0e, 0xbc, 0x7a, 0x1b, 0x70, 0xe8, 0xa9, 0xd0, 0xad, 0xcb,
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-	0x0a, 0x00, 0x00,
+	// 906 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xb4, 0x56, 0x5b, 0x6f, 0xdc, 0x44,
+	0x14, 0x8e, 0xd7, 0xd9, 0x4d, 0x7c, 0x76, 0xc3, 0x65, 0x36, 0x2d, 0x66, 0x9b, 0x54, 0x61, 0xa0,
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+	0x61, 0xa3, 0xf5, 0xe5, 0xcb, 0x46, 0x1b, 0x52, 0x9c, 0x2d, 0xf2, 0x0a, 0x66, 0xb6, 0x08, 0x10,
+	0x2b, 0x61, 0x40, 0x8b, 0x16, 0xf7, 0x37, 0xb9, 0x6d, 0x40, 0x7b, 0xe6, 0x6d, 0xc0, 0x81, 0x57,
+	0x6f, 0x03, 0x0e, 0x3d, 0x15, 0xba, 0x75, 0x39, 0x51, 0xbf, 0xac, 0x5f, 0xff, 0x17, 0x00, 0x00,
+	0xff, 0xff, 0xf1, 0x42, 0x51, 0xbb, 0xc1, 0x0a, 0x00, 0x00,
 }

weed/server/filer_grpc_server.go

@@ -50,6 +50,7 @@ func (fs *FilerServer) ListEntries(ctx context.Context, req *filer_pb.ListEntrie
 				Gid:      entry.Gid,
 				Uid:      entry.Uid,
 				FileMode: uint32(entry.Mode),
+				Mime:     entry.Mime,
 			},
 		})
 	}
@@ -75,6 +76,7 @@ func (fs *FilerServer) GetEntryAttributes(ctx context.Context, req *filer_pb.Get
 	attributes.Gid = entry.Gid
 	attributes.Mtime = entry.Mtime.Unix()
 	attributes.Crtime = entry.Crtime.Unix()
+	attributes.Mime = entry.Mime
 
 	glog.V(3).Infof("GetEntryAttributes %v size %d chunks %d: %+v", fullpath, attributes.FileSize, len(entry.Chunks), attributes)
 
@@ -120,6 +122,7 @@ func (fs *FilerServer) CreateEntry(ctx context.Context, req *filer_pb.CreateEntr
 			Mode:   os.FileMode(req.Entry.Attributes.FileMode),
 			Uid:    req.Entry.Attributes.Uid,
 			Gid:    req.Entry.Attributes.Gid,
+			Mime:   req.Entry.Attributes.Mime,
 		},
 		Chunks: req.Entry.Chunks,
 	})
@@ -162,6 +165,7 @@ func (fs *FilerServer) UpdateEntry(ctx context.Context, req *filer_pb.UpdateEntr
 		}
 		newEntry.Attr.Uid = req.Entry.Attributes.Uid
 		newEntry.Attr.Gid = req.Entry.Attributes.Gid
+		newEntry.Attr.Mime = req.Entry.Attributes.Mime
 
 	}
 
@@ -180,14 +184,7 @@ func (fs *FilerServer) UpdateEntry(ctx context.Context, req *filer_pb.UpdateEntr
 }
 
 func (fs *FilerServer) DeleteEntry(ctx context.Context, req *filer_pb.DeleteEntryRequest) (resp *filer_pb.DeleteEntryResponse, err error) {
-	entry, err := fs.filer.DeleteEntry(filer2.FullPath(filepath.Join(req.Directory, req.Name)))
-	if err == nil {
-		for _, chunk := range entry.Chunks {
-			if err = operation.DeleteFile(fs.getMasterNode(), chunk.FileId, fs.jwt(chunk.FileId)); err != nil {
-				glog.V(0).Infof("deleting file %s: %v", chunk.FileId, err)
-			}
-		}
-	}
+	err = fs.filer.DeleteEntryMetaAndData(filer2.FullPath(filepath.Join(req.Directory, req.Name)))
 	return &filer_pb.DeleteEntryResponse{}, err
 }
 

weed/server/filer_server_handlers_admin.go

@@ -32,6 +32,7 @@ func (fs *FilerServer) registerHandler(w http.ResponseWriter, r *http.Request) {
 		writeJsonError(w, r, http.StatusInternalServerError, fmt.Errorf("parsing gid: %v", err))
 		return
 	}
+	mime := r.FormValue("mime")
 	entry := &filer2.Entry{
 		FullPath: filer2.FullPath(path),
 		Attr: filer2.Attr{
@@ -40,6 +41,7 @@ func (fs *FilerServer) registerHandler(w http.ResponseWriter, r *http.Request) {
 			Mtime:  time.Now(),
 			Uid:    uint32(uid),
 			Gid:    uint32(gid),
+			Mime:   mime,
 		},
 		Chunks: []*filer_pb.FileChunk{{
 			FileId: fileId,

weed/server/filer_server_handlers_read.go

@@ -111,9 +111,11 @@ func (fs *FilerServer) handleSingleChunk(w http.ResponseWriter, r *http.Request,
 
 func (fs *FilerServer) handleMultipleChunks(w http.ResponseWriter, r *http.Request, entry *filer2.Entry) {
 
-	mimeType := ""
-	if ext := path.Ext(entry.Name()); ext != "" {
-		mimeType = mime.TypeByExtension(ext)
+	mimeType := entry.Mime
+	if mimeType == "" {
+		if ext := path.Ext(entry.Name()); ext != "" {
+			mimeType = mime.TypeByExtension(ext)
+		}
 	}
 	if mimeType != "" {
 		w.Header().Set("Content-Type", mimeType)

weed/server/filer_server_handlers_write.go

@@ -195,19 +195,12 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) {
 // curl -X DELETE http://localhost:8888/path/to
 func (fs *FilerServer) DeleteHandler(w http.ResponseWriter, r *http.Request) {
 
-	entry, err := fs.filer.DeleteEntry(filer2.FullPath(r.URL.Path))
+	err := fs.filer.DeleteEntryMetaAndData(filer2.FullPath(r.URL.Path))
 	if err != nil {
 		glog.V(4).Infoln("deleting", r.URL.Path, ":", err.Error())
 		writeJsonError(w, r, http.StatusInternalServerError, err)
 		return
 	}
 
-	if entry != nil && !entry.IsDirectory() {
-		for _, chunk := range entry.Chunks {
-			oldFid := chunk.FileId
-			operation.DeleteFile(fs.getMasterNode(), oldFid, fs.jwt(oldFid))
-		}
-	}
-
 	writeJsonQuiet(w, r, http.StatusAccepted, map[string]string{"error": ""})
 }

weed/server/filer_ui/templates.go

@@ -47,9 +47,15 @@ var StatusTpl = template.Must(template.New("status").Parse(`<!DOCTYPE html>
 					</td>
 					<td align="right">
 					{{if $entry.IsDirectory}}
+					{{else}}
+						{{ $entry.Mime }}
+					{{end}}
+					</td>
+					<td align="right">
+					{{if $entry.IsDirectory}}
 					{{else}}
 						{{ $entry.Size }} bytes
-						&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+						&nbsp;&nbsp;&nbsp;
 					{{end}}
 					</td>
 					<td>