void ExternalIPCounter::CountIP( const SockAddr& addr, int weight ) {
// ignore anyone who claims our external IP is
// INADDR_ANY or on a local network
if(addr.is_addr_any() || is_ip_local(addr))
return;
// timestamp the first time we get a vote
if(! _HeatStarted)
_HeatStarted = time(NULL);
// attempt to insert this vote
std::pair<candidate_map::iterator, bool> inserted = _map.insert(std::make_pair(addr, weight));
// if the new IP wasn't inserted, it's already in there
// increase the vote counter
if (!inserted.second)
inserted.first->second += weight;
// if the IP vout count exceeds the current leader, replace it
if(addr.isv4() && (_winnerV4 == _map.end() || inserted.first->second > _winnerV4->second))
_winnerV4 = inserted.first;
if(addr.isv6() && (_winnerV6 == _map.end() || inserted.first->second > _winnerV6->second))
_winnerV6 = inserted.first;
_TotalVotes += weight;
Rotate();
}
/* Check that the remote IP is actually remote. It must be to ensure
* that test packets will pass through our device.
*/
static void check_remote_address(struct config *config,
struct wire_client_netdev *netdev)
{
if (is_ip_local(&config->live_remote_ip)) {
die("error: live_remote_ip %s is not remote\n",
config->live_remote_ip_string);
}
}
void ExternalIPCounter::CountIP( const SockAddr& addr, const SockAddr& voter, int weight ) {
// Don't let local peers vote on our IP address
if (is_ip_local(voter))
return;
// Accept an empty voter address.
if ( ! voter.is_addr_any() ) {
// TODO: we should support IPv6 voters as well
// If voter is in bloom filter, return
uint32 vaddr = voter.get_addr4();
sha1_hash key = _sha_callback((const byte*)&vaddr, 4);
if (_voterFilter.test(key))
return;
_voterFilter.add(key);
}
CountIP(addr, weight);
}
