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// Copyright 2016 the Go-FUSE Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package benchmark
import (
"context"
"path/filepath"
"strings"
"syscall"
"github.com/hanwen/go-fuse/v2/fs"
"github.com/hanwen/go-fuse/v2/fuse"
)
type StatFS struct {
fs.Inode
files map[string]fuse.Attr
}
var _ = (fs.NodeOnAdder)((*StatFS)(nil))
func (r *StatFS) OnAdd(ctx context.Context) {
for nm, a := range r.files {
r.addFile(nm, a)
}
r.files = nil
}
func (r *StatFS) AddFile(name string, a fuse.Attr) {
if r.files == nil {
r.files = map[string]fuse.Attr{}
}
r.files[name] = a
}
func (r *StatFS) addFile(name string, a fuse.Attr) {
dir, base := filepath.Split(name)
p := r.EmbeddedInode()
// Add directories leading up to the file.
for _, component := range strings.Split(dir, "/") {
if len(component) == 0 {
continue
}
ch := p.GetChild(component)
if ch == nil {
// Create a directory
ch = p.NewPersistentInode(context.Background(), &fs.Inode{},
fs.StableAttr{Mode: syscall.S_IFDIR})
// Add it
p.AddChild(component, ch, true)
}
p = ch
}
// Create the file
child := p.NewPersistentInode(context.Background(), &fs.MemRegularFile{
Data: make([]byte, a.Size),
Attr: a,
}, fs.StableAttr{})
// And add it
p.AddChild(base, child, true)
}
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