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send termiation with reason

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orignal 2022-07-09 17:05:23 -04:00
parent bb6227281a
commit 3ff3417ff2
4 changed files with 48 additions and 12 deletions
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21
libi2pd/SSU2Session.cpp
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@ -25,7 +25,7 @@ namespace transport
m_DestConnID (0), m_SourceConnID (0), m_State (eSSU2SessionStateUnknown),
m_SendPacketNum (0), m_ReceivePacketNum (0), m_IsDataReceived (false),
m_WindowSize (SSU2_MAX_WINDOW_SIZE), m_RelayTag (0),
m_ConnectTimer (server.GetService ())
m_ConnectTimer (server.GetService ()), m_TerminationReason (eSSU2TerminationReasonNormalClose)
{
m_NoiseState.reset (new i2p::crypto::NoiseSymmetricState);
if (in_RemoteRouter && m_Address)
@ -168,11 +168,12 @@ namespace transport
}
}
void SSU2Session::RequestTermination ()
void SSU2Session::RequestTermination (SSU2TerminationReason reason)
{
if (m_State == eSSU2SessionStateEstablished || m_State == eSSU2SessionStateClosing)
{
m_State = eSSU2SessionStateClosing;
m_TerminationReason = reason;
SendTermination ();
}
}
@ -329,7 +330,7 @@ namespace transport
LogPrint (eLogInfo, "SSU2: Packet was not Acked after ", it->second->numResends, " attempts. Terminate session");
m_SentPackets.clear ();
m_SendQueue.clear ();
RequestTermination ();
RequestTermination (eSSU2TerminationReasonTimeout);
return;
}
else
@ -2097,6 +2098,15 @@ namespace transport
return CreatePeerTestBlock (buf, len, 1, eSSU2PeerTestCodeAccept, nullptr,
signedData, 10 + asz + i2p::context.GetIdentity ()->GetSignatureLen ());
}
size_t SSU2Session::CreateTerminationBlock (uint8_t * buf, size_t len)
{
buf[0] = eSSU2BlkTermination;
htobe16buf (buf + 1, 9);
htobe64buf (buf + 3, m_ReceivePacketNum);
buf[11] = (uint8_t)m_TerminationReason;
return 12;
}
std::shared_ptr<const i2p::data::RouterInfo> SSU2Session::ExtractRouterInfo (const uint8_t * buf, size_t size)
{
@ -2157,10 +2167,7 @@ namespace transport
void SSU2Session::SendTermination ()
{
uint8_t payload[32];
size_t payloadSize = 12;
payload[0] = eSSU2BlkTermination;
htobe16buf (payload + 1, 9);
memset (payload + 3, 0, 9);
size_t payloadSize = CreateTerminationBlock (payload, 32);
payloadSize += CreatePaddingBlock (payload + payloadSize, 32 - payloadSize);
SendData (payload, payloadSize);
}