restic/internal/fuse/root.go

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// +build !openbsd
// +build !windows
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package fuse
import (
"time"
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"github.com/restic/restic/internal/debug"
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"github.com/restic/restic/internal/restic"
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"golang.org/x/net/context"
"bazil.org/fuse/fs"
)
// Config holds settings for the fuse mount.
type Config struct {
OwnerIsRoot bool
Host string
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Tags []restic.TagList
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Paths []string
}
// Root is the root node of the fuse mount of a repository.
type Root struct {
repo restic.Repository
cfg Config
inode uint64
snapshots restic.Snapshots
blobSizeCache *BlobSizeCache
snCount int
lastCheck time.Time
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*MetaDir
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}
// ensure that *Root implements these interfaces
var _ = fs.HandleReadDirAller(&Root{})
var _ = fs.NodeStringLookuper(&Root{})
const rootInode = 1
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// NewRoot initializes a new root node from a repository.
func NewRoot(ctx context.Context, repo restic.Repository, cfg Config) (*Root, error) {
debug.Log("NewRoot(), config %v", cfg)
root := &Root{
repo: repo,
inode: rootInode,
cfg: cfg,
blobSizeCache: NewBlobSizeCache(ctx, repo.Index()),
}
entries := map[string]fs.Node{
"snapshots": NewSnapshotsDir(root, fs.GenerateDynamicInode(root.inode, "snapshots"), "", ""),
"tags": NewTagsDir(root, fs.GenerateDynamicInode(root.inode, "tags")),
"hosts": NewHostsDir(root, fs.GenerateDynamicInode(root.inode, "hosts")),
"ids": NewSnapshotsIDSDir(root, fs.GenerateDynamicInode(root.inode, "ids")),
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}
root.MetaDir = NewMetaDir(root, rootInode, entries)
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return root, nil
}
// Root is just there to satisfy fs.Root, it returns itself.
func (r *Root) Root() (fs.Node, error) {
debug.Log("Root()")
return r, nil
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}