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Store and forward the original peering port in keepalive messages (#3878)

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Piotr Wójcik 2022-07-26 14:35:47 +02:00 • committed by GitHub
commit 97c809e16b
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4 changed files with 28 additions and 3 deletions
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8
nano/node/network.cpp
View file

@ -418,12 +418,16 @@ public:
}
node.stats.inc (nano::stat::type::message, nano::stat::detail::keepalive, nano::stat::dir::in);
node.network.merge_peers (message_a.peers);
// Check for special node port data
auto peer0 (message_a.peers[0]);
if (peer0.address () == boost::asio::ip::address_v6{} && peer0.port () != 0)
{
nano::endpoint new_endpoint (channel->get_tcp_endpoint ().address (), peer0.port ());
node.network.merge_peer (new_endpoint);
// Remember this for future forwarding to other peers
channel->set_peering_endpoint (new_endpoint);
}
}
void publish (nano::publish const & message_a) override
@ -652,9 +656,9 @@ void nano::network::random_fill (std::array<nano::endpoint, 8> & target_a) const
auto j (target_a.begin ());
for (auto i (peers.begin ()), n (peers.end ()); i != n; ++i, ++j)
{
debug_assert ((*i)->get_endpoint ().address ().is_v6 ());
debug_assert ((*i)->get_peering_endpoint ().address ().is_v6 ());
debug_assert (j < target_a.end ());
*j = (*i)->get_endpoint ();
*j = (*i)->get_peering_endpoint ();
}
}

2
nano/node/transport/tcp.cpp
View file

@ -257,7 +257,7 @@ nano::tcp_endpoint nano::transport::tcp_channels::bootstrap_peer (uint8_t connec
{
if (i->channel->get_network_version () >= connection_protocol_version_min)
{
result = i->endpoint ();
result = nano::transport::map_endpoint_to_tcp (i->channel->get_peering_endpoint ());
channels.get<last_bootstrap_attempt_tag> ().modify (i, [] (channel_tcp_wrapper & wrapper_a) {
wrapper_a.channel->set_last_bootstrap_attempt (std::chrono::steady_clock::now ());
});

17
nano/node/transport/transport.cpp
View file

@ -134,6 +134,23 @@ void nano::transport::channel::send (nano::message & message_a, std::function<vo
}
}
void nano::transport::channel::set_peering_endpoint (nano::endpoint endpoint)
{
peering_endpoint = endpoint;
}
nano::endpoint nano::transport::channel::get_peering_endpoint () const
{
if (peering_endpoint)
{
return *peering_endpoint;
}
else
{
return get_endpoint ();
}
}
boost::asio::ip::address_v6 nano::transport::mapped_from_v4_bytes (unsigned long address_a)
{
return boost::asio::ip::address_v6::v4_mapped (boost::asio::ip::address_v4 (address_a));

4
nano/node/transport/transport.hpp
View file

@ -134,6 +134,9 @@ namespace transport
network_version = network_version_a;
}
nano::endpoint get_peering_endpoint () const;
void set_peering_endpoint (nano::endpoint endpoint);
mutable nano::mutex channel_mutex;
private:
@ -142,6 +145,7 @@ namespace transport
std::chrono::steady_clock::time_point last_packet_sent{ std::chrono::steady_clock::now () };
boost::optional<nano::account> node_id{ boost::none };
std::atomic<uint8_t> network_version{ 0 };
std::optional<nano::endpoint> peering_endpoint{};
protected:
nano::node & node;