List<PingData> mbrs=new ArrayList<PingData>();
ConcurrentMap<Address,ConnectionHandler> map=routingTable.get(group);
if(map != null) {
for(Address logical_addr: map.keySet()) {
physical_addrs=address_mappings.get(logical_addr);
PingData rsp=new PingData(logical_addr, null, true, UUID.get(logical_addr),
physical_addrs != null? new ArrayList<PhysicalAddress>(physical_addrs) : null);
mbrs.add(rsp);
}
}
output.writeShort(mbrs.size());