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check if we connected recently to an endpoint before sending peer test

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orignal 2024-09-17 21:49:23 -04:00
parent ca4db7aab2
commit f20391d460
3 changed files with 45 additions and 15 deletions
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24
libi2pd/SSU2.cpp
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@ -210,6 +210,22 @@ namespace transport
return ep.port ();
}
bool SSU2Server::IsConnectedRecently (const boost::asio::ip::udp::endpoint& ep) const
{
if (!ep.port () || ep.address ().is_unspecified ()) return false;
auto it = m_ConnectedRecently.find (ep);
if (it != m_ConnectedRecently.end ())
return i2p::util::GetSecondsSinceEpoch () <= it->second + SSU2_HOLE_PUNCH_EXPIRATION;
return false;
}
void SSU2Server::AddConnectedRecently (const boost::asio::ip::udp::endpoint& ep, uint64_t ts)
{
if (!ep.port () || ep.address ().is_unspecified () ||
i2p::util::GetSecondsSinceEpoch () > ts + SSU2_HOLE_PUNCH_EXPIRATION) return;
m_ConnectedRecently.try_emplace (ep, ts);
}
void SSU2Server::AdjustTimeOffset (int64_t offset, std::shared_ptr<const i2p::data::IdentityEx> from)
{
if (offset)
@ -1001,6 +1017,14 @@ namespace transport
it++;
}
for (auto it = m_ConnectedRecently.begin (); it != m_ConnectedRecently.end (); )
{
if (ts > it->second + SSU2_HOLE_PUNCH_EXPIRATION)
it = m_ConnectedRecently.erase (it);
else
it++;
}
m_PacketsPool.CleanUpMt ();
m_SentPacketsPool.CleanUp ();
m_IncompleteMessagesPool.CleanUp ();