Added FUSE support #55
69
fuse/main.go
69
fuse/main.go
@ -8,6 +8,7 @@ import (
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"github.com/hanwen/go-fuse/v2/fs"
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"github.com/hanwen/go-fuse/v2/fuse"
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"strconv"
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"strings"
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)
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func (i *Device) HeartRateBytes() ([]byte, error) {
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@ -46,6 +47,9 @@ type ITNode struct {
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fs.Inode
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kind int
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Ino uint64
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lst []DirEntry
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path string
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}
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var properties = []ITProperty {
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@ -56,6 +60,8 @@ var properties = []ITProperty {
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ITProperty{"version", 6, nil},
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ITProperty{"address", 7, nil},
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}
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var myfs *FS = nil;
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var inodemap map[string]uint64 = nil;
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var _ = (fs.NodeReaddirer)((*ITNode)(nil))
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@ -89,6 +95,36 @@ func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
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}
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return fs.NewListDirStream(r), 0
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case 2:
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// on device
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files, _ := myfs.ReadDir(n.path)
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r := make([]fuse.DirEntry, len(files))
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n.lst = files
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for ind, file := range files {
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name := file.path[strings.LastIndex(file.path, "/")+1:]
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ino := inodemap[file.path]
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if ino == 0 {
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ino = uint64(len(inodemap)) + 1
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inodemap[file.path] = ino
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}
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if file.flags & 0b1 == 1 {
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r[ind] = fuse.DirEntry{
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Name: name,
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Mode: fuse.S_IFDIR,
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Ino : ino + 10,
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}
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} else {
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r[ind] = fuse.DirEntry{
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Name: name,
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Mode: fuse.S_IFREG,
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Ino : ino + 10,
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}
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}
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}
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return fs.NewListDirStream(r), 0
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}
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r := make([]fuse.DirEntry, 0)
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return fs.NewListDirStream(r), 0
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@ -112,7 +148,7 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
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Mode: fuse.S_IFDIR,
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Ino: uint64(1),
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}
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operations := &ITNode{kind: 2, Ino: 1}
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operations := &ITNode{kind: 2, Ino: 1, path : ""}
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child := n.NewInode(ctx, operations, stable)
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return child, 0
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}
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@ -130,6 +166,34 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
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}
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}
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return nil, syscall.ENOENT
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case 2:
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// FS object
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for _, file := range n.lst {
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if file.path != n.path + "/" + name {
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continue;
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}
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log.Println("matched", name)
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if file.flags & 0b1 == 1 {
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stable := fs.StableAttr{
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Mode: fuse.S_IFDIR,
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Ino: inodemap[file.path],
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}
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operations := &ITNode{kind: 2, path: file.path}
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child := n.NewInode(ctx, operations, stable)
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return child, 0
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} else {
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stable := fs.StableAttr{
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Mode: fuse.S_IFREG,
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Ino: inodemap[file.path],
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}
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operations := &ITNode{kind: 2, path: file.path}
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child := n.NewInode(ctx, operations, stable)
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return child, 0
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}
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break;
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}
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}
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return nil, syscall.ENOENT
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}
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@ -202,6 +266,9 @@ func main() {
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log.Printf("Mounted on %s", mntDir)
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log.Printf("Unmount by calling 'fusermount -u %s'", mntDir)
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myfs = &FS{};
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inodemap = make(map[string]uint64)
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// Wait until unmount before exiting
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server.Wait()
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}
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