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find new introducers to connect

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This commit is contained in:
orignal 2021-04-24 11:11:12 -04:00
parent 7a19533380
commit db93a7315f
3 changed files with 10 additions and 8 deletions
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7
libi2pd/NetDb.cpp
View file

@ -1168,12 +1168,13 @@ namespace data
});
}
std::shared_ptr<const RouterInfo> NetDb::GetRandomIntroducer (bool v4) const
std::shared_ptr<const RouterInfo> NetDb::GetRandomIntroducer (bool v4, const std::set<IdentHash>& excluded) const
{
return GetRandomRouter (
[v4](std::shared_ptr<const RouterInfo> router)->bool
[v4, &excluded](std::shared_ptr<const RouterInfo> router)->bool
{
return router->IsIntroducer (v4) && !router->IsHidden () && !router->IsFloodfill (); // floodfills don't send relay tag
return router->IsIntroducer (v4) && !excluded.count (router->GetIdentHash ()) &&
!router->IsHidden () && !router->IsFloodfill (); // floodfills don't send relay tag
});
}

2
libi2pd/NetDb.hpp
View file

@ -87,7 +87,7 @@ namespace data
std::shared_ptr<const RouterInfo> GetHighBandwidthRandomRouter (std::shared_ptr<const RouterInfo> compatibleWith, bool reverse) const;
std::shared_ptr<const RouterInfo> GetRandomPeerTestRouter (bool v4, const std::set<IdentHash>& excluded) const;
std::shared_ptr<const RouterInfo> GetRandomSSUV6Router () const; // TODO: change to v6 peer test later
std::shared_ptr<const RouterInfo> GetRandomIntroducer (bool v4) const;
std::shared_ptr<const RouterInfo> GetRandomIntroducer (bool v4, const std::set<IdentHash>& excluded) const;
std::shared_ptr<const RouterInfo> GetClosestFloodfill (const IdentHash& destination, const std::set<IdentHash>& excluded, bool closeThanUsOnly = false) const;
std::vector<IdentHash> GetClosestFloodfills (const IdentHash& destination, size_t num,
std::set<IdentHash>& excluded, bool closeThanUsOnly = false) const;

9
libi2pd/SSU.cpp
View file

@ -778,6 +778,7 @@ namespace transport
i2p::context.RemoveIntroducer (it);
}
std::set<i2p::data::IdentHash> excluded;
if (numIntroducers < SSU_MAX_NUM_INTRODUCERS)
{
// create new
@ -809,16 +810,16 @@ namespace transport
newList.push_back (ep);
if (newList.size () >= SSU_MAX_NUM_INTRODUCERS) break;
}
excluded.insert (it1->GetRemoteIdentity ()->GetIdentHash ());
}
}
introducers = newList;
if (introducers.size () < SSU_MAX_NUM_INTRODUCERS)
{
std::set<std::shared_ptr<const i2p::data::RouterInfo> > requested;
for (auto i = introducers.size (); i < SSU_MAX_NUM_INTRODUCERS; i++)
{
auto introducer = i2p::data::netdb.GetRandomIntroducer (v4);
if (introducer && !requested.count (introducer)) // not requested already
auto introducer = i2p::data::netdb.GetRandomIntroducer (v4, excluded);
if (introducer)
{
auto address = v4 ? introducer->GetSSUAddress (true) : introducer->GetSSUV6Address ();
if (address && !address->host.is_unspecified () && address->port)
@ -827,7 +828,7 @@ namespace transport
if (std::find (introducers.begin (), introducers.end (), ep) == introducers.end ()) // not connected yet
{
CreateDirectSession (introducer, ep, false);
requested.insert (introducer);
excluded.insert (introducer->GetIdentHash ());
}
}
}