getMeta method
Request topic metadata
Implementation
Future getMeta(String topicName, GetQuery params) {
var packet = _packetGenerator.generate(packet_types.Get, topicName);
var data = packet.data as GetPacketData;
data.data = params.data?.toMap();
data.desc = params.desc?.toMap();
data.what = params.what;
data.sub = params.sub?.toMap();
packet.data = data;
return _send(packet);
}