diff options
Diffstat (limited to 'src/p2p')
| -rw-r--r-- | src/p2p/net_node.inl | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/p2p/net_node.inl b/src/p2p/net_node.inl index aa16e93d5..a830c1023 100644 --- a/src/p2p/net_node.inl +++ b/src/p2p/net_node.inl @@ -1436,13 +1436,28 @@ namespace nodetool }); } + auto get_host_string = [](const epee::net_utils::network_address &address) { +#if BOOST_VERSION > 106600 + if (address.get_type_id() == epee::net_utils::ipv6_network_address::get_type_id()) + { + boost::asio::ip::address_v6 actual_ip = address.as<const epee::net_utils::ipv6_network_address>().ip(); + if (actual_ip.is_v4_mapped()) + { + boost::asio::ip::address_v4 v4ip = make_address_v4(boost::asio::ip::v4_mapped, actual_ip); + return epee::net_utils::ipv4_network_address(v4ip.to_uint(), 0).host_str(); + } + } +#endif + return address.host_str(); + }; + std::unordered_set<std::string> hosts_added; std::deque<size_t> filtered; const size_t limit = use_white_list ? 20 : std::numeric_limits<size_t>::max(); for (int step = 0; step < 2; ++step) { bool skip_duplicate_class_B = step == 0; size_t idx = 0, skipped = 0; - zone.m_peerlist.foreach (use_white_list, [&classB, &filtered, &idx, &skipped, skip_duplicate_class_B, limit, next_needed_pruning_stripe](const peerlist_entry &pe){ + zone.m_peerlist.foreach (use_white_list, [&classB, &filtered, &idx, &skipped, skip_duplicate_class_B, limit, next_needed_pruning_stripe, &hosts_added, &get_host_string](const peerlist_entry &pe){ if (filtered.size() >= limit) return false; bool skip = false; @@ -1452,6 +1467,15 @@ namespace nodetool uint32_t actual_ip = na.as<const epee::net_utils::ipv4_network_address>().ip(); skip = classB.find(actual_ip & 0x0000ffff) != classB.end(); } + + // consider each host once, to avoid giving undue inflence to hosts running several nodes + if (!skip) + { + const auto i = hosts_added.find(get_host_string(pe.adr)); + if (i != hosts_added.end()) + skip = true; + } + if (skip) ++skipped; else if (next_needed_pruning_stripe == 0 || pe.pruning_seed == 0) @@ -1459,6 +1483,7 @@ namespace nodetool else if (next_needed_pruning_stripe == tools::get_pruning_stripe(pe.pruning_seed)) filtered.push_front(idx); ++idx; + hosts_added.insert(get_host_string(pe.adr)); return true; }); if (skipped == 0 || !filtered.empty()) |