mirror of https://github.com/restic/restic.git
86 lines
2.0 KiB
Go
86 lines
2.0 KiB
Go
// +build darwin freebsd linux
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package fuse
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import (
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"os"
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"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"
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"bazil.org/fuse/fs"
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)
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// Config holds settings for the fuse mount.
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type Config struct {
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OwnerIsRoot bool
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Hosts []string
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Tags []restic.TagList
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Paths []string
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SnapshotTemplate string
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}
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// Root is the root node of the fuse mount of a repository.
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type Root struct {
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repo restic.Repository
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cfg Config
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inode uint64
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snapshots restic.Snapshots
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blobCache *blobCache
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blobSizeCache *BlobSizeCache
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snCount int
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lastCheck time.Time
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*MetaDir
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uid, gid uint32
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}
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// ensure that *Root implements these interfaces
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var _ = fs.HandleReadDirAller(&Root{})
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var _ = fs.NodeStringLookuper(&Root{})
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const rootInode = 1
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// Size of the blob cache. TODO: make this configurable.
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const blobCacheSize = 64 << 20
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// NewRoot initializes a new root node from a repository.
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func NewRoot(ctx context.Context, repo restic.Repository, cfg Config) *Root {
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debug.Log("NewRoot(), config %v", cfg)
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root := &Root{
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repo: repo,
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inode: rootInode,
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cfg: cfg,
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blobCache: newBlobCache(blobCacheSize),
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blobSizeCache: NewBlobSizeCache(ctx, repo.Index()),
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}
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if !cfg.OwnerIsRoot {
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root.uid = uint32(os.Getuid())
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root.gid = uint32(os.Getgid())
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}
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entries := map[string]fs.Node{
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"snapshots": NewSnapshotsDir(root, fs.GenerateDynamicInode(root.inode, "snapshots"), "", ""),
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"tags": NewTagsDir(root, fs.GenerateDynamicInode(root.inode, "tags")),
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"hosts": NewHostsDir(root, fs.GenerateDynamicInode(root.inode, "hosts")),
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"ids": NewSnapshotsIDSDir(root, fs.GenerateDynamicInode(root.inode, "ids")),
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}
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root.MetaDir = NewMetaDir(root, rootInode, entries)
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return root
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}
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// Root is just there to satisfy fs.Root, it returns itself.
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func (r *Root) Root() (fs.Node, error) {
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debug.Log("Root()")
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return r, nil
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}
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