/** check whether a given address is in a network we can probably connect to */
bool IsReachable(const CNetAddr &addr)
{
LOCK(cs_mapLocalHost);
enum Network net = addr.GetNetwork();
return vfReachable[net] && !vfLimited[net];
}
bool IsLimited(const CNetAddr &addr)
{
return IsLimited(addr.GetNetwork());
}