improve codestyle

Author: JojiiOfficial

dmfs/dmfs.go

@@ -0,0 +1,94 @@
+package dmfs
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"syscall"
+
+	"github.com/DataManager-Go/libdatamanager"
+	dmConfig "github.com/DataManager-Go/libdatamanager/config"
+	"github.com/hanwen/go-fuse/v2/fs"
+)
+
+type dmanagerRoot struct {
+	fs.Inode
+
+	mounter *Mounter
+	config  *dmConfig.Config
+	libdm   *libdatamanager.LibDM
+}
+
+// implement the interfaces
+var _ = (fs.NodeOnAdder)((*dmanagerRoot)(nil))
+var _ = (fs.NodeRenamer)((*dmanagerRoot)(nil))
+var _ = (fs.NodeRmdirer)((*dmanagerRoot)(nil))
+
+// OnAdd is called on mounting the file system. Use it to populate
+// the file system tree.
+func (root *dmanagerRoot) OnAdd(ctx context.Context) {
+	root.debug("Init files")
+
+	userData, err := root.libdm.GetUserAttributeData()
+	if err != nil {
+		log.Fatal(err)
+		return
+	}
+
+	// Loop Namespaces and add childs in as folders
+	for _, namespace := range userData.Namespace {
+		nsName := removeNSName(namespace.Name)
+
+		// reuse child
+		nsp := root.Inode.GetChild(nsName)
+
+		// Create namespace folder
+		if nsp == nil {
+			nsp = root.Inode.NewInode(ctx, &fs.Inode{}, fs.StableAttr{
+				Mode: syscall.S_IFDIR,
+			})
+			root.AddChild(nsName, nsp, true)
+		}
+
+		// Use a no_group folder for files
+		// not associated to a groud
+		if len(namespace.Groups) == 0 {
+			namespace.Groups = []string{"no_group"}
+		}
+
+		// Add groups to namespace
+		for _, group := range namespace.Groups {
+			gp := nsp.GetChild(group)
+			if gp == nil {
+				gp = nsp.NewInode(ctx, &fs.Inode{}, fs.StableAttr{
+					Mode: syscall.S_IFDIR,
+				})
+
+				nsp.AddChild(group, gp, true)
+			}
+		}
+	}
+
+	root.debug("Init files success")
+
+}
+
+// Unlink if virtual file was unlinked
+func (root *dmanagerRoot) Rmdir(ctx context.Context, name string) syscall.Errno {
+	namespace := addNSName(name, root.libdm.Config)
+	// TODO delete namespace
+	fmt.Println("rm", namespace)
+	return 0
+}
+
+// Rename if virtual file was renamed
+func (root *dmanagerRoot) Rename(ctx context.Context, name string, newParent fs.InodeEmbedder, newName string, flags uint32) syscall.Errno {
+	fmt.Println("renome")
+	return 0
+}
+
+func (root *dmanagerRoot) debug(arg ...interface{}) {
+	if root.mounter.Debug {
+		fmt.Println(arg...)
+	}
+}

dmfs/dmfsRoot.go

@@ -45,7 +45,7 @@ func (mounter *Mounter) Mount() {
 	mounter.doneChan = make(chan bool, 1)
 
 	// Create the fs
-	root := &dmanagerFilesystem{
+	root := &dmanagerRoot{
 		mounter: mounter,
 		config:  mounter.Config,
 		libdm:   mounter.Libdm,