mirror of
https://github.com/PurpleI2P/i2pd
synced 2024-10-22 07:50:29 +03:00
77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/*
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* Copyright (c) 2024, The PurpleI2P Project
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*
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* This file is part of Purple i2pd project and licensed under BSD3
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*
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* See full license text in LICENSE file at top of project tree
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*/
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#ifndef SSU2_OUT_OF_SESSION_H__
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#define SSU2_OUT_OF_SESSION_H__
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#include <vector>
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#include "SSU2Session.h"
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namespace i2p
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{
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namespace transport
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{
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const int SSU2_PEER_TEST_RESEND_INTERVAL = 3000; // in milliseconds
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const int SSU2_PEER_TEST_RESEND_INTERVAL_VARIANCE = 2000; // in milliseconds
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const int SSU2_PEER_TEST_MAX_NUM_RESENDS = 3;
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class SSU2PeerTestSession: public SSU2Session // for PeerTest msgs 5,6,7
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{
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public:
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SSU2PeerTestSession (SSU2Server& server, uint64_t sourceConnID, uint64_t destConnID);
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uint8_t GetMsgNumReceived () const { return m_MsgNumReceived; }
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bool IsConnectedRecently () const { return m_IsConnectedRecently; }
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void SetStatusChanged () { m_IsStatusChanged = true; }
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void SendPeerTest (uint8_t msg, const uint8_t * signedData, size_t signedDataLen,
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std::shared_ptr<const i2p::data::RouterInfo::Address> addr);
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bool ProcessPeerTest (uint8_t * buf, size_t len) override;
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void Connect () override; // outgoing
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bool ProcessFirstIncomingMessage (uint64_t connID, uint8_t * buf, size_t len) override; // incoming
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private:
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void SendPeerTest (uint8_t msg, const uint8_t * signedData, size_t signedDataLen); // PeerTest message
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void SendPeerTest (uint8_t msg); // send or resend m_SignedData
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void HandlePeerTest (const uint8_t * buf, size_t len) override;
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void ScheduleResend ();
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private:
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uint8_t m_MsgNumReceived, m_NumResends;
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bool m_IsConnectedRecently, m_IsStatusChanged;
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std::vector<uint8_t> m_SignedData; // for resends
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boost::asio::deadline_timer m_PeerTestResendTimer;
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};
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class SSU2HolePunchSession: public SSU2Session // Charlie
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{
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public:
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SSU2HolePunchSession (SSU2Server& server, uint32_t nonce, const boost::asio::ip::udp::endpoint& remoteEndpoint,
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std::shared_ptr<const i2p::data::RouterInfo::Address> addr);
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void SendHolePunch (const uint8_t * relayResponseBlock, size_t relayResponseBlockLen);
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private:
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void SendHolePunch ();
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private:
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uint32_t m_Nonce;
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std::vector<uint8_t> m_RelayResponseBlock;
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};
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}
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}
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#endif
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