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select introducers

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orignal 2014-09-06 20:43:20 -04:00
parent 119603845b
commit 44751955cc
6 changed files with 82 additions and 64 deletions
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24
SSU.h
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@ -33,8 +33,9 @@ namespace ssu
const int SSU_CONNECT_TIMEOUT = 5; // 5 seconds
const int SSU_TERMINATION_TIMEOUT = 330; // 5.5 minutes
const int SSU_KEEP_ALIVE_INETRVAL = 30; // 30 seconds
const int SSU_KEEP_ALIVE_INTERVAL = 30; // 30 seconds
const int SSU_TO_INTRODUCER_SESSION_DURATION = 3600; // 1 hour
const int SSU_MAX_NUM_INTRODUCERS = 3;
// payload types (4 bits)
const uint8_t PAYLOAD_TYPE_SESSION_REQUEST = 0;
@ -78,8 +79,7 @@ namespace ssu
size_t GetNumSentBytes () const { return m_NumSentBytes; };
size_t GetNumReceivedBytes () const { return m_NumReceivedBytes; };
void StartToIntroducer ();
void StopToIntroducer ();
void SendKeepAlive ();
uint32_t GetRelayTag () const { return m_RelayTag; };
private:
@ -109,7 +109,6 @@ namespace ssu
void SendPeerTest (uint32_t nonce, uint32_t address, uint16_t port, const uint8_t * introKey, bool toAddress = true);
void ProcessData (uint8_t * buf, size_t len);
void SendSesionDestroyed ();
void SendKeepAlive ();
void Send (uint8_t type, const uint8_t * payload, size_t len); // with session key
void Send (const uint8_t * buf, size_t size);
@ -122,9 +121,6 @@ namespace ssu
void ScheduleTermination ();
void HandleTerminationTimer (const boost::system::error_code& ecode);
void ScheduleKeepAlive ();
void HandleKeepAliveTimer (const boost::system::error_code& ecode);
private:
@ -134,7 +130,7 @@ namespace ssu
const i2p::data::RouterInfo * m_RemoteRouter;
boost::asio::deadline_timer m_Timer;
i2p::data::DHKeysPair * m_DHKeysPair; // X - for client and Y - for server
bool m_PeerTest, m_ToIntroducer;
bool m_PeerTest;
SessionState m_State;
bool m_IsSessionKey;
uint32_t m_RelayTag;
@ -172,13 +168,15 @@ namespace ssu
void Run ();
void Receive ();
void HandleReceivedFrom (const boost::system::error_code& ecode, std::size_t bytes_transferred);
std::set<SSUSession *> GetIntroducers (int maxNumIntroducers);
void HandleReceivedFrom (const boost::system::error_code& ecode, std::size_t bytes_transferred);
template<typename Filter>
SSUSession * GetRandomSession (Filter filter);
std::set<SSUSession *> FindIntroducers (int maxNumIntroducers);
void ScheduleIntroducersUpdateTimer ();
void HandleIntroducersUpdateTimer (const boost::system::error_code& ecode);
private:
bool m_IsRunning;
@ -188,6 +186,8 @@ namespace ssu
boost::asio::ip::udp::endpoint m_Endpoint;
boost::asio::ip::udp::socket m_Socket;
boost::asio::ip::udp::endpoint m_SenderEndpoint;
boost::asio::deadline_timer m_IntroducersUpdateTimer;
std::list<boost::asio::ip::udp::endpoint> m_Introducers; // introducers we are connected to
uint8_t m_ReceiveBuffer[2*SSU_MTU];
std::map<boost::asio::ip::udp::endpoint, SSUSession *> m_Sessions;
std::map<uint32_t, boost::asio::ip::udp::endpoint> m_Relays; // we are introducer