Exemplo n.º 1
0
func (t *Lfs) stat(rid string) (zx.Dir, error) {
	rid, err := zx.AbsPath(rid)
	if err != nil {
		return nil, err
	}
	if rid == "/Ctl" {
		d := ctldir.Dup()
		d["tpath"] = t.path
		return d, nil
	}
	path := zx.Path(t.path, rid)
	st, err := os.Stat(path)
	if err != nil {
		return nil, err
	}
	nd := 0
	sum := ""
	if st.IsDir() {
		nd, sum = dirsz(path)
		if rid == "/" {
			nd++
		}
	}
	d := zx.NewDir(st, nd)
	if t.readattrs {
		t.fileAttrs(path, d)
	}
	if sum != "" {
		d["Sum"] = sum
	}
	d["tpath"] = t.path
	d["path"] = rid
	d["spath"] = rid
	d["proto"] = "lfs"
	if rid == "/" {
		d["name"] = "/"
	}
	if d["Uid"] == "" {
		d["Uid"] = dbg.Usr
	}
	if d["Gid"] == "" {
		d["Gid"] = dbg.Usr
	}
	if d["Wuid"] == "" {
		d["Wuid"] = dbg.Usr
	}
	return d, nil
}
Exemplo n.º 2
0
func (t *Lfs) get(rid string, off, count int64, dc chan<- []byte, cs *zx.CallStat) (int64, error) {
	rid, err := zx.AbsPath(rid)
	if err != nil {
		return 0, err
	}
	if rid == "/Ctl" {
		return t.getCtl(off, count, dc, cs)
	}
	path := zx.Path(t.path, rid)
	fd, err := os.Open(path)
	if err==nil && t.ai!=nil && !t.NoPermCheck {
		_, _, err = t.canWalkTo(rid, 0444)
	}
	if err != nil {
		return 0, err
	}
	defer fd.Close()
	st, err := fd.Stat()
	if err != nil {
		return 0, err
	}
	if off!=0 && !st.IsDir() {
		if _, err := fd.Seek(off, 0); err != nil {
			return 0, err
		}
	}
	if st.IsDir() {
		ds, err := ioutil.ReadDir(path)
		nd := 0
		tot := 0
		ctlsent := false
		var xds map[string]zx.Dir
		if t.readattrs {
			xds, _ = t.dirAttrs(path)
		}
	Dloop:
		for i := 0; i < len(ds); {
			if off > 0 {
				off--
				if !ctlsent && rid=="/" {
					ctlsent = true
				} else {
					i++
				}
				continue
			}
			switch count {
			case zx.All:
				break
			case 0:
				break Dloop
			default:
				count--
			}
			if !ctlsent && rid=="/" {
				ctlsent = true
				nd++
				d := ctldir
				n, _ := d.Send(dc)
				nd++ // but not i++
				tot += n
				continue
			}
			fi := ds[i]
			if fi.Name() == afname {
				if i == len(ds)-1 {
					break
				}
				ds = append(ds[:i], ds[i+1:]...)
				fi = ds[i]
			}
			cpath := zx.Path(path, fi.Name())
			n := 0
			sum := ""
			if fi.IsDir() {
				n, sum = dirsz(cpath)
			}
			d := zx.NewDir(fi, n)
			d["path"] = zx.Path(rid, fi.Name())
			d["spath"] = d["path"]
			d["tpath"] = t.path
			if t.readattrs {
				if xd, ok := xds[fi.Name()]; ok {
					for k, v := range xd {
						if zx.IsUpper(k) {
							d[k] = v
						}
					}
				} else {
					d["Uid"] = dbg.Usr
					d["Gid"] = dbg.Usr
				}
			}
			if sum != "" {
				d["Sum"] = sum
			}
			cs.Send(0)
			n, err := d.Send(dc)
			if err != nil {
				return int64(tot), err
			}
			nd++
			i++
			tot += n
		}
		return int64(tot), err
	}
	if count == zx.All {
		cs.Sending()
		nm, n, err := nchan.ReadBytesFrom(fd, dc)
		cs.Sends(nm, n)
		return n, err
	}
	rr := io.LimitReader(fd, count)
	cs.Sending()
	nm, n, err := nchan.ReadBytesFrom(rr, dc)
	cs.Sends(nm, n)
	return n, err
}