func writeProviderEntry(dstore ds.Datastore, k key.Key, p peer.ID, t time.Time) error { dsk := mkProvKey(k).ChildString(base32.RawStdEncoding.EncodeToString([]byte(p))) buf := make([]byte, 16) n := binary.PutVarint(buf, t.UnixNano()) return dstore.Put(dsk, buf[:n]) }
func putRoutingRecord(ds datastore.Datastore, k key.Key, value *dhtpb.Record) error { data, err := proto.Marshal(value) if err != nil { return err } dskey := k.DsKey() // TODO namespace if err := ds.Put(dskey, data); err != nil { return err } return nil }
func putRoutingProviders(ds datastore.Datastore, k key.Key, newRecords []*dhtpb.Message_Peer) error { log.Event(context.Background(), "putRoutingProviders", &k) oldRecords, err := getRoutingProviders(ds, k) if err != nil { return err } mergedRecords := make(map[string]*dhtpb.Message_Peer) for _, provider := range oldRecords { mergedRecords[provider.GetId()] = provider // add original records } for _, provider := range newRecords { mergedRecords[provider.GetId()] = provider // overwrite old record if new exists } var protomsg dhtpb.Message protomsg.ProviderPeers = make([]*dhtpb.Message_Peer, 0, len(mergedRecords)) for _, provider := range mergedRecords { protomsg.ProviderPeers = append(protomsg.ProviderPeers, provider) } data, err := proto.Marshal(&protomsg) if err != nil { return err } return ds.Put(providerKey(k), data) }