Example #1
0
func (zkts *Server) GetSrvKeyspace(cell, keyspace string) (*topo.SrvKeyspace, error) {
	path := zkPathForVtKeyspace(cell, keyspace)
	data, stat, err := zkts.zconn.Get(path)
	if err != nil {
		if zookeeper.IsError(err, zookeeper.ZNONODE) {
			err = topo.ErrNoNode
		}
		return nil, err
	}
	return topo.NewSrvKeyspace(data, stat.Version())
}
Example #2
0
func (tr *TopoReader) GetSrvKeyspace(req topo.GetSrvKeyspaceArgs, reply *topo.SrvKeyspace) (err error) {
	keyspacePath := zkPathForVtKeyspace(req.Cell, req.Keyspace)
	zkrReply := &zk.ZkNode{}
	if err := tr.zkr.Get(&zk.ZkPath{Path: keyspacePath}, zkrReply); err != nil {
		return err
	}

	keyspace, err := topo.NewSrvKeyspace(zkrReply.Data, zkrReply.Stat.Version())
	*reply = *keyspace
	return
}
Example #3
0
func (tr *TopoReader) GetSrvKeyspace(ctx context.Context, req *topo.GetSrvKeyspaceArgs, reply *topo.SrvKeyspace) (err error) {
	keyspacePath := zkPathForVtKeyspace(req.Cell, req.Keyspace)
	zkrReply := &zk.ZkNode{}
	if err := tr.zkr.Get(&zk.ZkPath{Path: keyspacePath}, zkrReply); err != nil {
		return err
	}

	keyspace := topo.NewSrvKeyspace(int64(zkrReply.Stat.Version()))
	if len(zkrReply.Data) > 0 {
		if err := json.Unmarshal([]byte(zkrReply.Data), keyspace); err != nil {
			return fmt.Errorf("SrvKeyspace unmarshal failed: %v %v", zkrReply.Data, err)
		}
	}
	*reply = *keyspace
	return
}
Example #4
0
func (zkts *Server) GetSrvKeyspace(cell, keyspace string) (*topo.SrvKeyspace, error) {
	path := zkPathForVtKeyspace(cell, keyspace)
	data, stat, err := zkts.zconn.Get(path)
	if err != nil {
		if zookeeper.IsError(err, zookeeper.ZNONODE) {
			err = topo.ErrNoNode
		}
		return nil, err
	}
	srvKeyspace := topo.NewSrvKeyspace(int64(stat.Version()))
	if len(data) > 0 {
		if err := json.Unmarshal([]byte(data), srvKeyspace); err != nil {
			return nil, fmt.Errorf("SrvKeyspace unmarshal failed: %v %v", data, err)
		}
	}
	return srvKeyspace, nil
}
Example #5
0
// GetSrvKeyspace implements topo.Server.
func (s *Server) GetSrvKeyspace(ctx context.Context, cellName, keyspace string) (*topo.SrvKeyspace, error) {
	cell, err := s.getCell(cellName)
	if err != nil {
		return nil, err
	}

	resp, err := cell.Get(srvKeyspaceFilePath(keyspace), false /* sort */, false /* recursive */)
	if err != nil {
		return nil, convertError(err)
	}
	if resp.Node == nil {
		return nil, ErrBadResponse
	}

	value := topo.NewSrvKeyspace(int64(resp.Node.ModifiedIndex))
	if err := json.Unmarshal([]byte(resp.Node.Value), value); err != nil {
		return nil, fmt.Errorf("bad serving keyspace data (%v): %q", err, resp.Node.Value)
	}
	return value, nil
}