mount with name

weed/mount/weedfs.go

@@ -2,17 +2,92 @@ package mount
 
 import (
 	"context"
+	"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache"
+	"github.com/chrislusf/seaweedfs/weed/pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/storage/types"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"github.com/chrislusf/seaweedfs/weed/util/grace"
+	"google.golang.org/grpc"
+	"os"
+	"path"
+	"path/filepath"
 	"syscall"
+	"time"
 
 	"github.com/hanwen/go-fuse/v2/fs"
 	"github.com/hanwen/go-fuse/v2/fuse"
 )
 
-type WeedFS struct {
-	fs.Inode
+type Option struct {
+	MountDirectory     string
+	FilerAddresses     []pb.ServerAddress
+	filerIndex         int
+	GrpcDialOption     grpc.DialOption
+	FilerMountRootPath string
+	Collection         string
+	Replication        string
+	TtlSec             int32
+	DiskType           types.DiskType
+	ChunkSizeLimit     int64
+	ConcurrentWriters  int
+	CacheDir           string
+	CacheSizeMB        int64
+	DataCenter         string
+	Umask              os.FileMode
+
+	MountUid         uint32
+	MountGid         uint32
+	MountMode        os.FileMode
+	MountCtime       time.Time
+	MountMtime       time.Time
+	MountParentInode uint64
+
+	VolumeServerAccess string // how to access volume servers
+	Cipher             bool   // whether encrypt data on volume server
+	UidGidMapper       *meta_cache.UidGidMapper
+
+	uniqueCacheDir         string
+	uniqueCacheTempPageDir string
 }
 
-func (r *WeedFS) OnAdd(ctx context.Context) {
+type WFS struct {
+	fs.Inode
+	option    *Option
+	metaCache *meta_cache.MetaCache
+	signature int32
+}
+
+func NewSeaweedFileSystem(option *Option) *WFS {
+	wfs := &WFS{
+		option:    option,
+		signature: util.RandomInt32(),
+	}
+
+	wfs.metaCache = meta_cache.NewMetaCache(path.Join(option.getUniqueCacheDir(), "meta"), util.FullPath(option.FilerMountRootPath), option.UidGidMapper, func(filePath util.FullPath, entry *filer_pb.Entry) {
+	})
+	grace.OnInterrupt(func() {
+		wfs.metaCache.Shutdown()
+	})
+
+	return wfs
+}
+
+func (option *Option) setupUniqueCacheDirectory() {
+	cacheUniqueId := util.Md5String([]byte(option.MountDirectory + string(option.FilerAddresses[0]) + option.FilerMountRootPath + util.Version()))[0:8]
+	option.uniqueCacheDir = path.Join(option.CacheDir, cacheUniqueId)
+	option.uniqueCacheTempPageDir = filepath.Join(option.uniqueCacheDir, "sw")
+	os.MkdirAll(option.uniqueCacheTempPageDir, os.FileMode(0777)&^option.Umask)
+}
+
+func (option *Option) getTempFilePageDir() string {
+	return option.uniqueCacheTempPageDir
+}
+func (option *Option) getUniqueCacheDir() string {
+	return option.uniqueCacheDir
+}
+
+func (r *WFS) OnAdd(ctx context.Context) {
 	ch := r.NewPersistentInode(
 		ctx, &fs.MemRegularFile{
 			Data: []byte("file.txt"),
@@ -23,10 +98,10 @@ func (r *WeedFS) OnAdd(ctx context.Context) {
 	r.AddChild("file.txt", ch, false)
 }
 
-func (r *WeedFS) Getattr(ctx context.Context, fh fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
+func (r *WFS) Getattr(ctx context.Context, fh fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
 	out.Mode = 0755
 	return 0
 }
 
-var _ = (fs.NodeGetattrer)((*WeedFS)(nil))
-var _ = (fs.NodeOnAdder)((*WeedFS)(nil))
+var _ = (fs.NodeGetattrer)((*WFS)(nil))
+var _ = (fs.NodeOnAdder)((*WFS)(nil))