91 lines
2.7 KiB
Go
91 lines
2.7 KiB
Go
/*
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* Copyright (c) 2015 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package main
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import (
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"bazil.org/fuse"
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"bazil.org/fuse/fs"
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"golang.org/x/net/context"
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"log"
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)
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type versionedDir struct {
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dirs map[string]*versionedDir
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files map[string]*versionedFile
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node *versionedNode
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inode uint64
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parent *versionedDir
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}
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func newVersionedDir(node *versionedNode, inode uint64, parent *versionedDir) *versionedDir {
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return &versionedDir{
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dirs: make(map[string]*versionedDir),
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files: make(map[string]*versionedFile),
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node: node,
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inode: inode,
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parent: parent}
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}
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func (this versionedDir) Attr(attr *fuse.Attr) {
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log.Printf("versionedDir::Attr: %s", this.node)
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this.node.attr(attr)
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attr.Inode = this.inode
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}
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func (this versionedDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
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log.Printf("versionedDir::ReadDirAll: %s", this.node)
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entries := []fuse.Dirent{{Inode: this.inode, Name: ".", Type: fuse.DT_Dir}}
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if this.parent != nil {
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entry := fuse.Dirent{Inode: this.parent.inode, Name: "..", Type: fuse.DT_Dir}
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entries = append(entries, entry)
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}
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for name, dir := range this.dirs {
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entry := fuse.Dirent{Inode: dir.inode, Name: name, Type: fuse.DT_Dir}
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entries = append(entries, entry)
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}
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for name, file := range this.files {
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entry := fuse.Dirent{Inode: file.inode, Name: name, Type: fuse.DT_File}
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entries = append(entries, entry)
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}
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return entries, nil
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}
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func (this versionedDir) Lookup(ctx context.Context, name string) (fs.Node, error) {
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log.Printf("versionedDir::Lookup: %s", this.node)
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if dir, ok := this.dirs[name]; ok {
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return dir, nil
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}
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if file, ok := this.files[name]; ok {
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return file, nil
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}
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return nil, fuse.ENOENT
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}
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