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I2P: End-to-End encrypted and anonymous Internet
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56 lines
1.1 KiB
56 lines
1.1 KiB
#ifndef SSU_DATA_H__ |
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#define SSU_DATA_H__ |
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#include <inttypes.h> |
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#include <map> |
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#include <vector> |
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#include "I2NPProtocol.h" |
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namespace i2p |
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{ |
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namespace ssu |
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{ |
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// data flags |
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const uint8_t DATA_FLAG_EXTENDED_DATA_INCLUDED = 0x02; |
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const uint8_t DATA_FLAG_WANT_REPLY = 0x04; |
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const uint8_t DATA_FLAG_REQUEST_PREVIOUS_ACKS = 0x08; |
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const uint8_t DATA_FLAG_EXPLICIT_CONGESTION_NOTIFICATION = 0x10; |
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const uint8_t DATA_FLAG_ACK_BITFIELDS_INCLUDED = 0x40; |
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const uint8_t DATA_FLAG_EXPLICIT_ACKS_INCLUDED = 0x80; |
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class SSUSession; |
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class SSUData |
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{ |
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public: |
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SSUData (SSUSession& session); |
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~SSUData (); |
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void ProcessMessage (uint8_t * buf, size_t len); |
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void Send (i2p::I2NPMessage * msg); |
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private: |
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void SendMsgAck (uint32_t msgID); |
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void ProcessSentMessageAck (uint32_t msgID); |
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private: |
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struct IncompleteMessage |
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{ |
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I2NPMessage * msg; |
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uint8_t nextFragmentNum; |
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IncompleteMessage (I2NPMessage * m): msg (m), nextFragmentNum (1) {}; |
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}; |
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SSUSession& m_Session; |
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std::map<uint32_t, IncompleteMessage *> m_IncomleteMessages; |
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std::map<uint32_t, std::vector<uint8_t *> > m_SentMessages; // msgID -> fragments |
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}; |
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} |
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} |
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#endif |
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