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resend SessionRequest and SessionCreated

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orignal 2022-06-24 13:07:02 -04:00
parent 827a88d772
commit ed04747b9d
3 changed files with 45 additions and 14 deletions
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11
libi2pd/SSU2Session.h
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@ -32,6 +32,7 @@ namespace transport
const int SSU2_PEER_TEST_EXPIRATION_TIMEOUT = 60; // 60 seconds
const size_t SSU2_MTU = 1488;
const size_t SSU2_MAX_PAYLOAD_SIZE = SSU2_MTU - 32;
const int SSU2_HANDSHAKE_RESEND_INTERVAL = 1; // in seconds
const int SSU2_RESEND_INTERVAL = 3; // in seconds
const int SSU2_MAX_NUM_RESENDS = 5;
const int SSU2_INCOMPLETE_MESSAGES_CLEANUP_TIMEOUT = 30; // in seconds
@ -80,6 +81,8 @@ namespace transport
{
eSSU2SessionStateUnknown,
eSSU2SessionStateTokenReceived,
eSSU2SessionStateSessionRequestSent,
eSSU2SessionStateSessionCreatedSent,
eSSU2SessionStateEstablished,
eSSU2SessionStateTerminated,
eSSU2SessionStateFailed,
@ -157,11 +160,10 @@ namespace transport
int numResends = 0;
};
struct SessionConfirmedFragment
struct HandshakePacket: public SentPacket
{
Header header;
uint8_t payload[SSU2_MAX_PAYLOAD_SIZE];
size_t payloadSize;
uint8_t headerX[48]; // not used in SessionConfirmed
};
typedef std::function<void ()> OnEstablished;
@ -263,7 +265,8 @@ namespace transport
SSU2Server& m_Server;
std::shared_ptr<i2p::crypto::X25519Keys> m_EphemeralKeys;
std::unique_ptr<i2p::crypto::NoiseSymmetricState> m_NoiseState;
std::unique_ptr<SessionConfirmedFragment> m_SessionConfirmedFragment1; // for Bob if applicable
std::unique_ptr<HandshakePacket> m_SessionConfirmedFragment1; // for Bob if applicable
std::unique_ptr<HandshakePacket> m_SentHandshakePacket; // SessionRequest or SessionCreated
std::shared_ptr<const i2p::data::RouterInfo::Address> m_Address;
boost::asio::ip::udp::endpoint m_RemoteEndpoint;
i2p::data::RouterInfo::CompatibleTransports m_RemoteTransports; // for peer tests