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handle session handshakes in separate thread
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This commit is contained in:
orignal 2024-11-27 18:31:58 -05:00
parent cc768de8ea
commit 8b9f427aa4
2 changed files with 109 additions and 60 deletions
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59
libi2pd/NTCP2.cpp
View file

@ -491,7 +491,6 @@ namespace transport
void NTCP2Session::HandleSessionRequestReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred)
{
(void) bytes_transferred;
if (ecode)
{
LogPrint (eLogWarning, "NTCP2: SessionRequest read error: ", ecode.message ());
@ -499,7 +498,17 @@ namespace transport
}
else
{
LogPrint (eLogDebug, "NTCP2: SessionRequest received ", bytes_transferred);
boost::asio::post (m_Server.GetEstablisherService (),
[s = shared_from_this (), bytes_transferred] ()
{
s->ProcessSessionRequest (bytes_transferred);;
});
}
}
void NTCP2Session::ProcessSessionRequest (size_t len)
{
LogPrint (eLogDebug, "NTCP2: SessionRequest received ", len);
uint16_t paddingLen = 0;
bool clockSkew = false;
if (m_Establisher->ProcessSessionRequestMessage (paddingLen, clockSkew))
@ -520,15 +529,14 @@ namespace transport
else
{
LogPrint (eLogWarning, "NTCP2: SessionRequest padding length ", (int)paddingLen, " is too long");
Terminate ();
boost::asio::post (m_Server.GetService (), std::bind (&NTCP2Session::Terminate, shared_from_this ()));
}
}
else
SendSessionCreated ();
}
else
Terminate ();
}
boost::asio::post (m_Server.GetService (), std::bind (&NTCP2Session::Terminate, shared_from_this ()));
}
void NTCP2Session::HandleSessionRequestPaddingReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred)
@ -539,7 +547,13 @@ namespace transport
Terminate ();
}
else
SendSessionCreated ();
{
boost::asio::post (m_Server.GetEstablisherService (),
[s = shared_from_this ()] ()
{
s->SendSessionCreated ();
});
}
}
void NTCP2Session::SendSessionCreated ()
@ -561,7 +575,17 @@ namespace transport
else
{
m_HandshakeInterval = i2p::util::GetMillisecondsSinceEpoch () - m_HandshakeInterval;
LogPrint (eLogDebug, "NTCP2: SessionCreated received ", bytes_transferred);
boost::asio::post (m_Server.GetEstablisherService (),
[s = shared_from_this (), bytes_transferred] ()
{
s->ProcessSessionCreated (bytes_transferred);
});
}
}
void NTCP2Session::ProcessSessionCreated (size_t len)
{
LogPrint (eLogDebug, "NTCP2: SessionCreated received ", len);
uint16_t paddingLen = 0;
if (m_Establisher->ProcessSessionCreatedMessage (paddingLen))
{
@ -575,7 +599,7 @@ namespace transport
else
{
LogPrint (eLogWarning, "NTCP2: SessionCreated padding length ", (int)paddingLen, " is too long");
Terminate ();
boost::asio::post (m_Server.GetService (), std::bind (&NTCP2Session::Terminate, shared_from_this ()));
}
}
else
@ -585,8 +609,7 @@ namespace transport
{
if (GetRemoteIdentity ())
i2p::data::netdb.SetUnreachable (GetRemoteIdentity ()->GetIdentHash (), true); // assume wrong s key
Terminate ();
}
boost::asio::post (m_Server.GetService (), std::bind (&NTCP2Session::Terminate, shared_from_this ()));
}
}
@ -600,7 +623,11 @@ namespace transport
else
{
m_Establisher->m_SessionCreatedBufferLen += bytes_transferred;
SendSessionConfirmed ();
boost::asio::post (m_Server.GetEstablisherService (),
[s = shared_from_this ()] ()
{
s->SendSessionConfirmed ();
});
}
}
@ -679,7 +706,7 @@ namespace transport
// part 2
std::vector<uint8_t> buf(m_Establisher->m3p2Len - 16); // -MAC
memset (nonce, 0, 12); // set nonce to 0 again
if (m_Establisher->ProcessSessionConfirmedMessagePart2 (nonce, buf.data ()))
if (m_Establisher->ProcessSessionConfirmedMessagePart2 (nonce, buf.data ())) // TODO:handle in establisher thread
{
KeyDerivationFunctionDataPhase ();
// Bob data phase keys
@ -811,7 +838,11 @@ namespace transport
void NTCP2Session::ClientLogin ()
{
m_Establisher->CreateEphemeralKey ();
SendSessionRequest ();
boost::asio::post (m_Server.GetEstablisherService (),
[s = shared_from_this ()] ()
{
s->SendSessionRequest ();
});
}
void NTCP2Session::ServerLogin ()
@ -1367,6 +1398,7 @@ namespace transport
void NTCP2Server::Start ()
{
m_EstablisherService.Start ();
if (!IsRunning ())
{
StartIOService ();
@ -1476,6 +1508,7 @@ namespace transport
m_TerminationTimer.cancel ();
m_ProxyEndpoint = nullptr;
}
m_EstablisherService.Stop ();
StopIOService ();
}

16
libi2pd/NTCP2.h
View file

@ -172,9 +172,11 @@ namespace transport
void HandleSessionRequestSent (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleSessionRequestReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void ProcessSessionRequest (size_t len);
void HandleSessionRequestPaddingReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleSessionCreatedSent (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleSessionCreatedReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void ProcessSessionCreated (size_t len);
void HandleSessionCreatedPaddingReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleSessionConfirmedSent (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleSessionConfirmedReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred);
@ -239,6 +241,18 @@ namespace transport
class NTCP2Server: private i2p::util::RunnableServiceWithWork
{
private:
class EstablisherService: public i2p::util::RunnableServiceWithWork
{
public:
EstablisherService (): RunnableServiceWithWork ("NTCP2e") {};
auto& GetService () { return GetIOService (); };
void Start () { StartIOService (); };
void Stop () { StopIOService (); };
};
public:
enum ProxyType
@ -254,6 +268,7 @@ namespace transport
void Start ();
void Stop ();
auto& GetService () { return GetIOService (); };
auto& GetEstablisherService () { return m_EstablisherService.GetService (); };
std::mt19937& GetRng () { return m_Rng; };
bool AddNTCP2Session (std::shared_ptr<NTCP2Session> session, bool incoming = false);
@ -294,6 +309,7 @@ namespace transport
std::unique_ptr<boost::asio::ip::tcp::endpoint> m_ProxyEndpoint;
std::shared_ptr<boost::asio::ip::tcp::endpoint> m_Address4, m_Address6, m_YggdrasilAddress;
std::mt19937 m_Rng;
EstablisherService m_EstablisherService;
public: