116 lines
2.5 KiB
Go
116 lines
2.5 KiB
Go
package ffs
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"syscall"
|
|
"time"
|
|
|
|
"bazil.org/fuse"
|
|
"bazil.org/fuse/fs"
|
|
)
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// CONSTANTS //////////////////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
const (
|
|
DREAMS_DIR_INODE_BASE = 0x2000
|
|
DREAMS_DIR_MAX_INODES = 0x1000
|
|
)
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// TYPE: DreamsDir ////////////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
type DreamsDir struct {
|
|
_attr fuse.Attr
|
|
_entries []fuse.Dirent
|
|
}
|
|
|
|
func NewDreamsDir(inodeBase uint64, rootUID, rootGID uint32) *DreamsDir {
|
|
now := time.Now()
|
|
dir := &DreamsDir{
|
|
_attr: fuse.Attr{
|
|
Inode: inodeBase,
|
|
Nlink: 1,
|
|
Mode: os.ModeDir | 0500,
|
|
Uid: rootUID,
|
|
Gid: rootGID,
|
|
Atime: now,
|
|
Ctime: now,
|
|
Mtime: now,
|
|
},
|
|
}
|
|
|
|
// add basic entries
|
|
dir._entries = append(
|
|
dir._entries,
|
|
fuse.Dirent{Inode: dir._attr.Inode, Name: ".", Type: fuse.DT_Dir},
|
|
fuse.Dirent{Inode: ROOT_INODE, Name: "..", Type: fuse.DT_Dir},
|
|
)
|
|
|
|
return dir
|
|
}
|
|
|
|
func (d *DreamsDir) GetAttr() *fuse.Attr {
|
|
return &d._attr
|
|
}
|
|
|
|
func (d *DreamsDir) Attr(ctx context.Context, a *fuse.Attr) error {
|
|
*a = d._attr
|
|
return nil
|
|
}
|
|
|
|
func (d *DreamsDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
|
|
pounce := G_FS._pounce
|
|
dreams := pounce.Dreams
|
|
items := make([]fuse.Dirent, len(dreams)+2)
|
|
|
|
items[0] = fuse.Dirent{Inode: d._attr.Inode, Name: ".", Type: fuse.DT_Dir}
|
|
items[1] = fuse.Dirent{Inode: ROOT_INODE, Name: "..", Type: fuse.DT_Dir}
|
|
|
|
i := 2
|
|
for shortURL := range dreams {
|
|
items[i] = fuse.Dirent{
|
|
Inode: uint64(2000 + i),
|
|
Name: shortURL,
|
|
Type: fuse.DT_File,
|
|
}
|
|
i++
|
|
}
|
|
|
|
return items, nil
|
|
}
|
|
|
|
func (d *DreamsDir) Lookup(ctx context.Context, name string) (fs.Node, error) {
|
|
if name == "." {
|
|
return d, nil
|
|
}
|
|
|
|
dreams := G_FS._pounce.Dreams
|
|
dream, exists := dreams[name]
|
|
if !exists {
|
|
fmt.Printf("[D] DreamsDir().Lookup('%v'): ENOENT\n", name)
|
|
return nil, syscall.ENOENT
|
|
}
|
|
|
|
fmt.Printf("[D] DreamsDir().Lookup('%v'): OK\n", name)
|
|
now := time.Now()
|
|
return &DreamFile{
|
|
Dream: dream,
|
|
_attr: fuse.Attr{
|
|
Inode: 0,
|
|
Nlink: 1,
|
|
Mode: 0400,
|
|
Size: 0,
|
|
Ctime: now,
|
|
Atime: now,
|
|
Mtime: now,
|
|
Uid: d._attr.Uid,
|
|
Gid: d._attr.Gid,
|
|
},
|
|
}, nil
|
|
}
|