v2api (go-fuse v2 api): initial noop implementation

Compiles and mounts but does nothing useful.

2 files changed, 70 insertions, 0 deletions

diff --git a/internal/fusefrontend/node.go b/internal/fusefrontend/node.go
new file mode 100644
index 0000000..fde6a1a
--- /dev/null
+++ b/internal/fusefrontend/node.go
@@ -0,0 +1,50 @@
+package fusefrontend
+
+import (
+	"context"
+	"syscall"
+
+	"github.com/hanwen/go-fuse/v2/fs"
+	"github.com/hanwen/go-fuse/v2/fuse"
+
+	"github.com/rfjakob/gocryptfs/internal/contentenc"
+	"github.com/rfjakob/gocryptfs/internal/nametransform"
+)
+
+// Node is a file or directory in the filesystem tree
+// in a gocryptfs mount.
+type Node struct {
+	fs.Inode
+}
+
+// RootNode is the root of the filesystem tree of Nodes.
+type RootNode struct {
+	Node
+
+	// This flag is set to zero each time fs.isFiltered() is called
+	// (uint32 so that it can be reset with CompareAndSwapUint32).
+	// When -idle was used when mounting, idleMonitor() sets it to 1
+	// periodically.
+	IsIdle uint32
+}
+
+func NewRootNode(args Args, c *contentenc.ContentEnc, n nametransform.NameTransformer) *RootNode {
+	// TODO
+	return &RootNode{}
+}
+
+func (n *Node) path() string {
+	return n.Path(n.Root())
+}
+
+func (n *Node) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*fs.Inode, syscall.Errno) {
+	return nil, 1
+}
+
+func (n *Node) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
+	return 1
+}
+
+func (n *Node) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
+	return nil, 1
+}
diff --git a/internal/fusefrontend_reverse/r_node.go b/internal/fusefrontend_reverse/r_node.go
new file mode 100644
index 0000000..58ce664
--- /dev/null
+++ b/internal/fusefrontend_reverse/r_node.go
@@ -0,0 +1,20 @@
+package fusefrontend_reverse
+
+import (
+	"github.com/hanwen/go-fuse/v2/fs"
+
+	"github.com/rfjakob/gocryptfs/internal/contentenc"
+	"github.com/rfjakob/gocryptfs/internal/fusefrontend"
+	"github.com/rfjakob/gocryptfs/internal/nametransform"
+)
+
+// RNode is a file or directory in the filesystem tree
+// in a `gocryptfs -reverse` mount.
+type RNode struct {
+	fs.Inode
+}
+
+func NewRootNode(args fusefrontend.Args, c *contentenc.ContentEnc, n nametransform.NameTransformer) *RNode {
+	// TODO
+	return &RNode{}
+}