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send TokenRequest message:

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orignal 2022-03-23 19:13:44 -04:00
parent 70dca81c40
commit 861166d8a9
2 changed files with 84 additions and 7 deletions
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9
libi2pd/SSU2.h
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@ -24,6 +24,7 @@ namespace transport
const int SSU2_CONNECT_TIMEOUT = 5; // 5 seconds
const int SSU2_TERMINATION_TIMEOUT = 330; // 5.5 minutes
const int SSU2_TERMINATION_CHECK_TIMEOUT = 30; // 30 seconds
const int SSU2_TOKEN_EXPIRATION_TIMEOUT = 9; // in second
const size_t SSU2_SOCKET_RECEIVE_BUFFER_SIZE = 0x1FFFF; // 128K
const size_t SSU2_SOCKET_SEND_BUFFER_SIZE = 0x1FFFF; // 128K
const size_t SSU2_MTU = 1488;
@ -33,7 +34,8 @@ namespace transport
eSSU2SessionRequest = 0,
eSSU2SessionCreated = 1,
eSSU2SessionConfirmed = 2,
eSSU2Retry = 9
eSSU2Retry = 9,
eSSU2TokenRequest = 10
};
enum SSU2BlockType
@ -104,6 +106,7 @@ namespace transport
void SendSessionRequest (uint64_t token = 0);
void SendSessionCreated (const uint8_t * X);
void SendSessionConfirmed (const uint8_t * Y);
void SendTokenRequest ();
void HandlePayload (const uint8_t * buf, size_t len);
bool ExtractEndpoint (const uint8_t * buf, size_t size, boost::asio::ip::udp::endpoint& ep);
@ -147,6 +150,9 @@ namespace transport
bool CreateSession (std::shared_ptr<const i2p::data::RouterInfo> router,
std::shared_ptr<const i2p::data::RouterInfo::Address> address);
void UpdateOutgoingToken (const boost::asio::ip::udp::endpoint& ep, uint64_t token, uint32_t exp);
uint64_t FindOutgoingToken (const boost::asio::ip::udp::endpoint& ep);
private:
@ -164,6 +170,7 @@ namespace transport
boost::asio::ip::udp::socket m_Socket, m_SocketV6;
std::unordered_map<uint64_t, std::shared_ptr<SSU2Session> > m_Sessions;
std::map<boost::asio::ip::udp::endpoint, std::shared_ptr<SSU2Session> > m_PendingOutgoingSessions;
std::map<boost::asio::ip::udp::endpoint, std::pair<uint64_t, uint32_t> > m_IncomingTokens, m_OutgoingTokens; // remote endpoint -> (token, expires in seconds)
i2p::util::MemoryPoolMt<Packet> m_PacketsPool;
boost::asio::deadline_timer m_TerminationTimer;
};