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re-shedule introducers updates if router becomes firewalled

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orignal 2021-03-04 15:55:51 -05:00
parent 065cfe3b9d
commit e70ffc9d7c
3 changed files with 26 additions and 4 deletions
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24
libi2pd/SSU.cpp
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@ -653,6 +653,14 @@ namespace transport
return ret;
}
void SSUServer::RescheduleIntroducersUpdateTimer ()
{
m_IntroducersUpdateTimer.cancel ();
m_IntroducersUpdateTimer.expires_from_now (boost::posix_time::seconds(SSU_KEEP_ALIVE_INTERVAL/2));
m_IntroducersUpdateTimer.async_wait (std::bind (&SSUServer::HandleIntroducersUpdateTimer,
this, std::placeholders::_1));
}
void SSUServer::ScheduleIntroducersUpdateTimer ()
{
m_IntroducersUpdateTimer.expires_from_now (boost::posix_time::seconds(SSU_KEEP_ALIVE_INTERVAL));
@ -671,7 +679,12 @@ namespace transport
ScheduleIntroducersUpdateTimer ();
return;
}
if (i2p::context.GetStatus () != eRouterStatusFirewalled) return; // we don't need introducers
if (i2p::context.GetStatus () != eRouterStatusFirewalled)
{
// we don't need introducers
m_Introducers.clear ();
return;
}
// we are firewalled
if (!i2p::context.IsUnreachable ()) i2p::context.SetUnreachable ();
std::list<boost::asio::ip::udp::endpoint> newList;
@ -712,16 +725,21 @@ namespace transport
m_Introducers = newList;
if (m_Introducers.size () < SSU_MAX_NUM_INTRODUCERS)
{
std::set<std::shared_ptr<const i2p::data::RouterInfo> > requested;
for (auto i = m_Introducers.size (); i < SSU_MAX_NUM_INTRODUCERS; i++)
{
auto introducer = i2p::data::netdb.GetRandomIntroducer ();
if (introducer)
if (introducer && !requested.count (introducer)) // not requested already
{
auto address = introducer->GetSSUAddress (true); // v4
if (address && !address->host.is_unspecified ())
{
boost::asio::ip::udp::endpoint ep (address->host, address->port);
CreateDirectSession (introducer, ep, false);
if (std::find (m_Introducers.begin (), m_Introducers.end (), ep) == m_Introducers.end ()) // not connected yet
{
CreateDirectSession (introducer, ep, false);
requested.insert (introducer);
}
}
}
}