示例#1
0
func dial(d zx.Dir) (zx.Tree, error) {
	addr := d["addr"]
	if addr == "" {
		return nil, errors.New("no address")
	}
	spath := d["spath"]
	if spath == "" {
		spath = d["path"]
	}
	if spath == "" {
		return nil, errors.New("no server path")
	}

	remslk.RLock()
	r := rems[addr]
	remslk.RUnlock()
	if r != nil {
		return r, nil
	}

	remslk.Lock()
	defer remslk.Unlock()
	toks := strings.Split(addr, "!")
	tree := "main"
	if len(toks) >= 4 {
		tree = toks[3]
	}
	c, err := ds.Dial(addr)
	if err != nil {
		return nil, err
	}
	if _, err := auth.AtClient(c, "", "zx"); err!=nil && err!=auth.ErrDisabled {
		close(c.In, err)
		close(c.Out, err)
		return nil, err
	}
	m := nchan.NewMux(c, true)
	r, err = New(m, tree)
	if err != nil {
		return nil, err
	}
	r.addr = addr
	hc := m.Hup()
	go func() {
		<-hc
		dbg.Warn("rfs hangup on %s", addr)
		r.gone()
	}()
	rems[addr] = r
	return r, nil
}
示例#2
0
/*
	Import the remote ZX server at the given address.
	This performs authentication if auth.Enabled and honors TLS configuration.
	Addresses of the form "*!*!lfs!tree!/a/b" are understood as a request to build
	a local fs at the given path.
	An address referring to a existing dir path is also used to build a local fs.
*/
func Import(addr string) (zx.RWTree, error) {
	if fi, err := os.Stat(addr); err == nil && fi.IsDir(){
		dir, err := filepath.Abs(addr)
		if err != nil {
			return nil, err
		}
		fs, err := lfs.New(addr, dir, lfs.RW)
		if err == nil {
			fs.SaveAttrs(true)
		}
		return fs, err
	}
	toks := strings.Split(addr, "!")
	if len(toks) < 2 {
		return nil, errors.New("bad address")
	}
	if len(toks) < 3 {
		toks = append(toks, "zx")
		addr = strings.Join(toks, "!")
	}
	if toks[2] == "lfs" {
		p := "/"
		if len(toks) >= 5 {
			p = toks[4]
		}
		fs, err := lfs.New(addr, p, lfs.RW)
		if err == nil {
			fs.SaveAttrs(true)
		}
		return fs, err
	}
	tree := "main"
	if len(toks) >= 4 {
		tree = toks[3]
	}
	c, err := ds.Dial(addr)
	if err != nil {
		return nil, err
	}
	if _, err := auth.AtClient(c, "", "zx"); err!=nil && err!=auth.ErrDisabled {
		err = fmt.Errorf("auth: %s", err)
		close(c.In, err)
		close(c.Out, err)
		return nil, err
	}
	return New(nchan.NewMux(c, true), tree)
}