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package resources
import (
"context"
"math/rand"
"time"
"github.com/docker/go-p9p"
)
type DirRef struct {
path string
info p9p.Dir
session Session
children map[string]Ref
readdir *p9p.Readdir
}
func NewDirRef(path string, session Session, children map[string]Ref) *DirRef {
d := &DirRef{
path: path,
session: session,
children: children,
}
d.info = d.createInfo()
return d
}
func (d *DirRef) createInfo() p9p.Dir {
dir := p9p.Dir{}
dir.Qid.Path = rand.Uint64()
dir.Qid.Version = 0
dir.Name = d.path
dir.Mode = 0664
dir.Length = 0
dir.AccessTime = time.Now()
dir.ModTime = time.Now()
dir.MUID = "none"
uname, _ := d.session.GetAuth()
dir.UID = uname
dir.GID = uname
dir.Qid.Type |= p9p.QTDIR
dir.Mode |= p9p.DMDIR
return dir
}
func (d *DirRef) Info() p9p.Dir {
return d.info
}
func (d *DirRef) Get(name string) (Ref, error) {
child, ok := d.children[name]
if !ok {
return nil, p9p.ErrNotfound
}
return child, nil
}
func (d *DirRef) Read(ctx context.Context, p []byte, offset int64) (n int, err error) {
if d.readdir != nil {
return d.readdir.Read(ctx, p, offset)
}
dir := make([]p9p.Dir, 0, len(d.children))
for _, child := range d.children {
dir = append(dir, child.Info())
}
d.readdir = p9p.NewFixedReaddir(p9p.NewCodec(), dir)
return d.readdir.Read(ctx, p, offset)
}
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