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start peer test for SSU2

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orignal 2022-06-01 21:51:02 -04:00
parent 56022c9442
commit 87a434c377
7 changed files with 92 additions and 4 deletions
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49
libi2pd/SSU2.cpp
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@ -106,12 +106,22 @@ namespace transport
return true;
}
void SSU2Session::SendPeerTest ()
{
// we are Alice
uint8_t payload[SSU2_MAX_PAYLOAD_SIZE];
size_t payloadSize = CreatePeerTestBlock (payload, SSU2_MAX_PAYLOAD_SIZE);
payloadSize += CreatePaddingBlock (payload + payloadSize, SSU2_MAX_PAYLOAD_SIZE - payloadSize);
SendData (payload, payloadSize);
}
void SSU2Session::Terminate ()
{
if (m_State != eSSU2SessionStateTerminated)
{
m_State = eSSU2SessionStateTerminated;
transports.PeerDisconnected (shared_from_this ());
m_OnEstablished = nullptr;
m_Server.RemoveSession (m_SourceConnID);
if (m_RelayTag)
m_Server.RemoveRelay (m_RelayTag);
@ -134,7 +144,11 @@ namespace transport
m_SessionConfirmedFragment1.reset (nullptr);
SetTerminationTimeout (SSU2_TERMINATION_TIMEOUT);
transports.PeerConnected (shared_from_this ());
if (m_OnEstablished) m_OnEstablished ();
if (m_OnEstablished)
{
m_OnEstablished ();
m_OnEstablished = nullptr;
}
}
void SSU2Session::Done ()
@ -1279,7 +1293,7 @@ namespace transport
uint32_t nonce = bufbe32toh (buf + 37);
switch (buf[0]) // msg
{
case 1: // Bob for Alice
case 1: // Bob from Alice
break;
case 2: // Charlie from Bob
break;
@ -1293,11 +1307,20 @@ namespace transport
if (payloadSize < SSU2_MAX_PAYLOAD_SIZE)
payloadSize += CreatePaddingBlock (payload + payloadSize, SSU2_MAX_PAYLOAD_SIZE - payloadSize);
it->second.first->SendData (payload, payloadSize);
m_PeerTests.erase (it);
}
break;
}
case 4: // Alice from Bob
break;
{
auto it = m_PeerTests.find (nonce);
if (it != m_PeerTests.end ())
{
// TODO: send to Charlie
m_PeerTests.erase (it);
}
break;
}
case 5: // Alice from Chralie 1
break;
case 6: // Chralie from Alice
@ -2119,6 +2142,26 @@ namespace transport
}
}
bool SSU2Server::StartPeerTest (std::shared_ptr<const i2p::data::RouterInfo> router, bool v4)
{
if (!router) return false;
auto addr = v4 ? router->GetSSU2V4Address () : router->GetSSU2V6Address ();
if (!addr) return false;
auto it = m_SessionsByRouterHash.find (router->GetIdentHash ());
if (it != m_SessionsByRouterHash.end ())
{
it->second->SendPeerTest ();
return true;
}
auto s = std::make_shared<SSU2Session> (*this, router, addr);
s->SetOnEstablished ([s]()
{
s->SendPeerTest ();
});
s->Connect ();
return true;
}
void SSU2Server::ScheduleTermination ()
{
m_TerminationTimer.expires_from_now (boost::posix_time::seconds(SSU2_TERMINATION_CHECK_TIMEOUT));