// read nodes.json compatible data into database
func (db *NodeDB) ImportNodes(r io.Reader, persistent bool) error {
nodes, err := readNodesJSON(r)
if err != nil {
return err
}
if nodes.Version != 1 {
return ErrUnknownVersion
}
for _, node := range nodes.Nodes {
var addr alfred.HardwareAddr
if err := addr.Parse(node.NodeInfo.NodeID); err != nil {
log.Printf("Import: error parsing NodeID %s: %v, skipping", node.NodeInfo.NodeID, err)
continue
}
n := &NodeInfo{NodeInfo: gluon.NodeInfo{Source: addr, Data: &node.NodeInfo}}
m := store.NewMeta(n)
m.Updated = time.Time(node.LastSeen).Local()
m.Created = time.Time(node.FirstSeen).Local()
if !persistent {
m.InvalidateIn(db.validTimeGluon)
}
err := db.Main.Batch(func(tx *bolt.Tx) error {
return db.Main.UpdateMeta(tx, store.NewMeta(&NodeInfo{}), m)
})
if err != nil {
log.Printf("Import: error on node %v", node.NodeInfo.NodeID)
}
}
return err
}
func (db *NodeDB) ResolveNodeID(tx *bolt.Tx, mac alfred.HardwareAddr) (string, bool) {
id := &NodeID{}
m := store.NewMeta(id)
if db.Main.Get(tx, mac, m) == nil && m.GetItem(id) == nil {
if bytes, err := id.Bytes(); err == nil {
return string(bytes), true
}
}
// when we have no nodeID, we return a synthetic one
return mac.String(), false
}