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https://github.com/octoleo/restic.git
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fuse: Add debug logs
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parent
7c76ff3aaf
commit
6ee9baa9c5
@ -11,6 +11,7 @@ import (
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"golang.org/x/net/context"
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"restic"
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"restic/debug"
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"restic/repository"
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)
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@ -27,8 +28,10 @@ type dir struct {
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}
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func newDir(repo *repository.Repository, node *restic.Node, ownerIsRoot bool) (*dir, error) {
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debug.Log("newDir", "new dir for %v (%v)", node.Name, node.Subtree.Str())
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tree, err := restic.LoadTree(repo, *node.Subtree)
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if err != nil {
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debug.Log("newDir", " error loading tree %v: %v", node.Subtree.Str(), err)
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return nil, err
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}
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items := make(map[string]*restic.Node)
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@ -65,14 +68,17 @@ func replaceSpecialNodes(repo *repository.Repository, node *restic.Node) ([]*res
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}
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func newDirFromSnapshot(repo *repository.Repository, snapshot SnapshotWithId, ownerIsRoot bool) (*dir, error) {
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debug.Log("newDirFromSnapshot", "new dir for snapshot %v (%v)", snapshot.ID.Str(), snapshot.Tree.Str())
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tree, err := restic.LoadTree(repo, *snapshot.Tree)
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if err != nil {
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debug.Log("newDirFromSnapshot", " loadTree(%v) failed: %v", snapshot.ID.Str(), err)
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return nil, err
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}
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items := make(map[string]*restic.Node)
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for _, n := range tree.Nodes {
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nodes, err := replaceSpecialNodes(repo, n)
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if err != nil {
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debug.Log("newDirFromSnapshot", " replaceSpecialNodes(%v) failed: %v", n, err)
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return nil, err
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}
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@ -98,6 +104,7 @@ func newDirFromSnapshot(repo *repository.Repository, snapshot SnapshotWithId, ow
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}
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func (d *dir) Attr(ctx context.Context, a *fuse.Attr) error {
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debug.Log("dir.Attr", "called")
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a.Inode = d.inode
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a.Mode = os.ModeDir | d.node.Mode
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@ -112,6 +119,7 @@ func (d *dir) Attr(ctx context.Context, a *fuse.Attr) error {
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}
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func (d *dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
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debug.Log("dir.ReadDirAll", "called")
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ret := make([]fuse.Dirent, 0, len(d.items))
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for _, node := range d.items {
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@ -136,8 +144,10 @@ func (d *dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
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}
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func (d *dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
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debug.Log("dir.Lookup", "Lookup(%v)", name)
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node, ok := d.items[name]
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if !ok {
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debug.Log("dir.Lookup", " Lookup(%v) -> not found", name)
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return nil, fuse.ENOENT
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}
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switch node.Type {
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@ -148,6 +158,7 @@ func (d *dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
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case "symlink":
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return newLink(d.repo, node, d.ownerIsRoot)
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default:
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debug.Log("dir.Lookup", " node %v has unknown type %v", name, node.Type)
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return nil, fuse.ENOENT
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}
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}
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@ -8,6 +8,7 @@ import (
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"restic"
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"restic/backend"
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"restic/debug"
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"restic/pack"
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"bazil.org/fuse"
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@ -47,6 +48,7 @@ var blobPool = sync.Pool{
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}
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func newFile(repo BlobLoader, node *restic.Node, ownerIsRoot bool) (*file, error) {
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debug.Log("newFile", "create new file for %v with %d blobs", node.Name, len(node.Content))
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sizes := make([]uint, len(node.Content))
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for i, id := range node.Content {
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size, err := repo.LookupBlobSize(id)
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@ -67,6 +69,7 @@ func newFile(repo BlobLoader, node *restic.Node, ownerIsRoot bool) (*file, error
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}
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func (f *file) Attr(ctx context.Context, a *fuse.Attr) error {
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debug.Log("file.Attr", "Attr(%v)", f.node.Name)
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a.Inode = f.node.Inode
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a.Mode = f.node.Mode
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a.Size = f.node.Size
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@ -84,6 +87,7 @@ func (f *file) Attr(ctx context.Context, a *fuse.Attr) error {
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}
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func (f *file) getBlobAt(i int) (blob []byte, err error) {
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debug.Log("file.getBlobAt", "getBlobAt(%v, %v)", f.node.Name, i)
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if f.blobs[i] != nil {
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return f.blobs[i], nil
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}
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@ -100,6 +104,7 @@ func (f *file) getBlobAt(i int) (blob []byte, err error) {
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blob, err = f.repo.LoadBlob(pack.Data, f.node.Content[i], buf)
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if err != nil {
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debug.Log("file.getBlobAt", "LoadBlob(%v, %v) failed: %v", f.node.Name, f.node.Content[i], err)
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return nil, err
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}
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f.blobs[i] = blob
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@ -108,6 +113,7 @@ func (f *file) getBlobAt(i int) (blob []byte, err error) {
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}
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func (f *file) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
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debug.Log("file.Read", "Read(%v), file size %v", req.Size, f.node.Size)
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offset := req.Offset
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// Skip blobs before the offset
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@ -13,6 +13,7 @@ import (
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"restic"
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"restic/backend"
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"restic/debug"
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"restic/repository"
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"golang.org/x/net/context"
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@ -39,6 +40,7 @@ type SnapshotsDir struct {
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}
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func NewSnapshotsDir(repo *repository.Repository, ownerIsRoot bool) *SnapshotsDir {
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debug.Log("NewSnapshotsDir", "fuse mount initiated")
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return &SnapshotsDir{
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repo: repo,
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knownSnapshots: make(map[string]SnapshotWithId),
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@ -54,10 +56,12 @@ func (sn *SnapshotsDir) Attr(ctx context.Context, attr *fuse.Attr) error {
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attr.Uid = uint32(os.Getuid())
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attr.Gid = uint32(os.Getgid())
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}
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debug.Log("SnapshotsDir.Attr", "attr is %v", attr)
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return nil
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}
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func (sn *SnapshotsDir) updateCache(ctx context.Context) error {
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debug.Log("SnapshotsDir.updateCache", "called")
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sn.Lock()
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defer sn.Unlock()
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@ -75,10 +79,12 @@ func (sn *SnapshotsDir) get(name string) (snapshot SnapshotWithId, ok bool) {
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sn.RLock()
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snapshot, ok = sn.knownSnapshots[name]
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sn.RUnlock()
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debug.Log("SnapshotsDir.get", "get(%s) -> %v %v", name, snapshot, ok)
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return snapshot, ok
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}
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func (sn *SnapshotsDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
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debug.Log("SnapshotsDir.ReadDirAll", "called")
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err := sn.updateCache(ctx)
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if err != nil {
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return nil, err
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@ -96,21 +102,25 @@ func (sn *SnapshotsDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
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})
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}
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debug.Log("SnapshotsDir.ReadDirAll", " -> %d entries", len(ret))
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return ret, nil
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}
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func (sn *SnapshotsDir) Lookup(ctx context.Context, name string) (fs.Node, error) {
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debug.Log("SnapshotsDir.updateCache", "Lookup(%s)", name)
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snapshot, ok := sn.get(name)
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if !ok {
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// We don't know about it, update the cache
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err := sn.updateCache(ctx)
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if err != nil {
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debug.Log("SnapshotsDir.updateCache", " Lookup(%s) -> err %v", name, err)
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return nil, err
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}
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snapshot, ok = sn.get(name)
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if !ok {
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// We still don't know about it, this time it really doesn't exist
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debug.Log("SnapshotsDir.updateCache", " Lookup(%s) -> not found", name)
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return nil, fuse.ENOENT
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}
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}
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