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@ -28,7 +28,7 @@ namespace transport
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}
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SSU2Session::SSU2Session (SSU2Server& server, std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter,
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std::shared_ptr<const i2p::data::RouterInfo::Address> addr, bool peerTest):
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std::shared_ptr<const i2p::data::RouterInfo::Address> addr):
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TransportSession (in_RemoteRouter, SSU2_CONNECT_TIMEOUT),
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m_Server (server), m_Address (addr), m_DestConnID (0), m_SourceConnID (0),
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m_State (eSSU2SessionStateUnknown), m_SendPacketNum (0), m_ReceivePacketNum (0),
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@ -52,6 +52,7 @@ namespace transport
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SSU2Session::~SSU2Session ()
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{
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Terminate ();
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}
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void SSU2Session::Connect ()
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@ -135,6 +136,7 @@ namespace transport
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m_SessionConfirmedFragment1.reset (nullptr);
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SetTerminationTimeout (SSU2_TERMINATION_TIMEOUT);
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transports.PeerConnected (shared_from_this ());
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if (m_OnEstablished) m_OnEstablished ();
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}
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void SSU2Session::Done ()
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@ -1810,19 +1812,74 @@ namespace transport
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{
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if (router && address)
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{
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if (address->UsesIntroducer ()) return false; // not implemented yet
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GetService ().post (
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[this, router, address]()
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{
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auto session = std::make_shared<SSU2Session> (*this, router, address);
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session->Connect ();
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});
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if (address->UsesIntroducer ())
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GetService ().post (std::bind (&SSU2Server::ConnectThroughIntroducer, this, router, address));
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else
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GetService ().post (
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[this, router, address]()
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{
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auto session = std::make_shared<SSU2Session> (*this, router, address);
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session->Connect ();
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});
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}
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else
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return false;
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return true;
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}
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void SSU2Server::ConnectThroughIntroducer (std::shared_ptr<const i2p::data::RouterInfo> router,
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std::shared_ptr<const i2p::data::RouterInfo::Address> address)
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{
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auto session = std::make_shared<SSU2Session> (*this, router, address);
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session->SetState (eSSU2SessionStateIntroduced);
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// try to find existing session first
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for (auto& it: address->ssu->introducers)
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{
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auto it1 = m_SessionsByRouterHash.find (it.iKey);
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if (it1 != m_SessionsByRouterHash.end ())
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{
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it1->second->Introduce (session, it.iTag);
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return;
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}
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}
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// we have to start a new session to an introducer
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std::shared_ptr<i2p::data::RouterInfo> r;
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uint32_t relayTag = 0;
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for (auto& it: address->ssu->introducers)
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{
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r = i2p::data::netdb.FindRouter (it.iKey);
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if (r)
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{
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relayTag = it.iTag;
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if (relayTag) break;
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}
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}
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if (r)
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{
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if (relayTag)
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{
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// introducer and tag found connect to it through SSU2
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auto addr = address->IsV6 () ? r->GetSSU2V6Address () : r->GetSSU2V4Address ();
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if (addr)
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{
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auto s = std::make_shared<SSU2Session> (*this, r, addr);
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s->SetOnEstablished (
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[session, s, relayTag]()
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{
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s->Introduce (session, relayTag);
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});
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s->Connect ();
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}
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}
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}
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else
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{
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// introducers not found, try to request them
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for (auto& it: address->ssu->introducers)
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i2p::data::netdb.RequestDestination (it.iKey);
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}
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}
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void SSU2Server::ScheduleTermination ()
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{
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m_TerminationTimer.expires_from_now (boost::posix_time::seconds(SSU2_TERMINATION_CHECK_TIMEOUT));
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