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move unsent I2NP messages to new session if replaced

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orignal 2024-06-01 20:02:04 -04:00
parent a1322d4667
commit bc8adf1433
3 changed files with 27 additions and 7 deletions
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21
libi2pd/NTCP2.cpp
View file

@ -412,6 +412,7 @@ namespace transport
m_IsEstablished = true;
m_Establisher.reset (nullptr);
SetTerminationTimeout (NTCP2_TERMINATION_TIMEOUT);
SendQueue ();
transports.PeerConnected (shared_from_this ());
}
@ -1133,7 +1134,7 @@ namespace transport
void NTCP2Session::SendQueue ()
{
if (!m_SendQueue.empty ())
if (!m_SendQueue.empty () && m_IsEstablished)
{
std::vector<std::shared_ptr<I2NPMessage> > msgs;
auto ts = i2p::util::GetMillisecondsSinceEpoch ();
@ -1170,6 +1171,21 @@ namespace transport
}
}
void NTCP2Session::MoveSendQueue (std::shared_ptr<NTCP2Session> other)
{
if (!other || m_SendQueue.empty ()) return;
std::vector<std::shared_ptr<I2NPMessage> > msgs;
auto ts = i2p::util::GetMillisecondsSinceEpoch ();
for (auto it: m_SendQueue)
if (!it->IsExpired (ts))
msgs.push_back (it);
else
it->Drop ();
m_SendQueue.clear ();
if (!msgs.empty ())
other->PostI2NPMessages (msgs);
}
size_t NTCP2Session::CreatePaddingBlock (size_t msgLen, uint8_t * buf, size_t len)
{
if (len < 3) return 0;
@ -1263,7 +1279,7 @@ namespace transport
else
m_SendQueue.push_back (std::move (it));
if (!m_IsSending)
if (!m_IsSending && m_IsEstablished)
SendQueue ();
else if (m_SendQueue.size () > NTCP2_MAX_OUTGOING_QUEUE_SIZE)
{
@ -1426,6 +1442,7 @@ namespace transport
{
// replace by new session
auto s = it->second;
s->MoveSendQueue (session);
m_NTCP2Sessions.erase (it);
s->Terminate ();
}

1
libi2pd/NTCP2.h
View file

@ -151,6 +151,7 @@ namespace transport
void SendLocalRouterInfo (bool update) override; // after handshake or by update
void SendI2NPMessages (const std::vector<std::shared_ptr<I2NPMessage> >& msgs) override;
void MoveSendQueue (std::shared_ptr<NTCP2Session> other);
private:

4
libi2pd/SSU2Session.cpp
View file

@ -383,10 +383,12 @@ namespace transport
m_SendQueue.push_back (std::move (it));
}
}
if (IsEstablished ())
{
SendQueue ();
if (m_SendQueue.size () > 0) // windows is full
Resend (i2p::util::GetMillisecondsSinceEpoch ());
}
SetSendQueueSize (m_SendQueue.size ());
}