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give priority to SSU2 over SSU

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orignal 2022-06-30 12:53:50 -04:00
parent 6ca9a599ff
commit 28db337166
1 changed files with 53 additions and 53 deletions
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106
libi2pd/Transports.cpp
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@ -453,7 +453,7 @@ namespace transport
peer.router = netdb.FindRouter (ident); // try to get new one from netdb
if (peer.router) // we have RI already
{
if (peer.numAttempts < 2) // NTCP2, 0 - ipv6, 1- ipv4
if (peer.numAttempts < 2) // NTCP2, 0 - ipv6, 1 - ipv4
{
if (m_NTCP2Server) // we support NTCP2
{
@ -491,60 +491,12 @@ namespace transport
else
peer.numAttempts = 2; // switch to SSU
}
if (peer.numAttempts == 2 || peer.numAttempts == 3) // SSU
{
if (m_SSUServer)
{
std::shared_ptr<const RouterInfo::Address> address;
if (peer.numAttempts == 2) // SSU ipv6
{
if (context.GetRouterInfo ().IsSSUV6 () && peer.router->IsReachableBy (RouterInfo::eSSUV6))
{
address = peer.router->GetSSUV6Address ();
if (address && m_CheckReserved && i2p::util::net::IsInReservedRange(address->host))
address = nullptr;
}
peer.numAttempts++;
}
if (!address && peer.numAttempts == 3) // SSU ipv4
{
if (context.GetRouterInfo ().IsSSU (true) && peer.router->IsReachableBy (RouterInfo::eSSUV4))
{
address = peer.router->GetSSUAddress (true);
if (address && m_CheckReserved && i2p::util::net::IsInReservedRange(address->host))
address = nullptr;
}
peer.numAttempts++;
}
if (address && address->IsReachableSSU ())
{
if (m_SSUServer->CreateSession (peer.router, address))
return true;
}
}
else
peer.numAttempts += 2; // switch to Mesh
}
if (peer.numAttempts == 4) // Mesh
{
peer.numAttempts++;
if (m_NTCP2Server && context.GetRouterInfo ().IsMesh () && peer.router->IsMesh ())
{
auto address = peer.router->GetYggdrasilAddress ();
if (address)
{
auto s = std::make_shared<NTCP2Session> (*m_NTCP2Server, peer.router, address);
m_NTCP2Server->Connect (s);
return true;
}
}
}
if (peer.numAttempts == 5 || peer.numAttempts == 6) // SSU2
if (peer.numAttempts == 2 || peer.numAttempts == 3) // SSU2, 2 - ipv6, 3 - ipv4
{
if (m_SSU2Server)
{
std::shared_ptr<const RouterInfo::Address> address;
if (peer.numAttempts == 5) // SSU2 ipv6
if (peer.numAttempts == 2) // SSU2 ipv6
{
if (context.GetRouterInfo ().IsSSU2V6 () && peer.router->IsReachableBy (RouterInfo::eSSU2V6))
{
@ -554,7 +506,7 @@ namespace transport
}
peer.numAttempts++;
}
if (!address && peer.numAttempts == 6) // SSU2 ipv4
if (!address && peer.numAttempts == 3) // SSU2 ipv4
{
if (context.GetRouterInfo ().IsSSU2V4 () && peer.router->IsReachableBy (RouterInfo::eSSU2V4))
{
@ -571,7 +523,55 @@ namespace transport
}
}
else
peer.numAttempts += 2;
peer.numAttempts += 2; // switch to mesh
}
if (peer.numAttempts == 4) // Mesh
{
peer.numAttempts++;
if (m_NTCP2Server && context.GetRouterInfo ().IsMesh () && peer.router->IsMesh ())
{
auto address = peer.router->GetYggdrasilAddress ();
if (address)
{
auto s = std::make_shared<NTCP2Session> (*m_NTCP2Server, peer.router, address);
m_NTCP2Server->Connect (s);
return true;
}
}
}
if (peer.numAttempts == 5 || peer.numAttempts == 6) // SSU, 5 - ipv6, 6 - ipv4
{
if (m_SSUServer)
{
std::shared_ptr<const RouterInfo::Address> address;
if (peer.numAttempts == 5) // SSU ipv6
{
if (context.GetRouterInfo ().IsSSUV6 () && peer.router->IsReachableBy (RouterInfo::eSSUV6))
{
address = peer.router->GetSSUV6Address ();
if (address && m_CheckReserved && i2p::util::net::IsInReservedRange(address->host))
address = nullptr;
}
peer.numAttempts++;
}
if (!address && peer.numAttempts == 6) // SSU ipv4
{
if (context.GetRouterInfo ().IsSSU (true) && peer.router->IsReachableBy (RouterInfo::eSSUV4))
{
address = peer.router->GetSSUAddress (true);
if (address && m_CheckReserved && i2p::util::net::IsInReservedRange(address->host))
address = nullptr;
}
peer.numAttempts++;
}
if (address && address->IsReachableSSU ())
{
if (m_SSUServer->CreateSession (peer.router, address))
return true;
}
}
else
peer.numAttempts += 2;
}
LogPrint (eLogInfo, "Transports: No compatble NTCP2 or SSU addresses available");
i2p::data::netdb.SetUnreachable (ident, true); // we are here because all connection attempts failed