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send and process HolePunch message

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orignal 2022-05-04 13:58:06 -04:00
parent 18cb3912e5
commit 436992b069
2 changed files with 107 additions and 21 deletions
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8
libi2pd/SSU2.h
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@ -44,7 +44,8 @@ namespace transport
eSSU2SessionConfirmed = 2,
eSSU2Data = 6,
eSSU2Retry = 9,
eSSU2TokenRequest = 10
eSSU2TokenRequest = 10,
eSSU2HolePunch = 11
};
enum SSU2BlockType
@ -162,6 +163,7 @@ namespace transport
bool ProcessSessionCreated (uint8_t * buf, size_t len);
bool ProcessSessionConfirmed (uint8_t * buf, size_t len);
bool ProcessRetry (uint8_t * buf, size_t len);
bool ProcessHolePunch (uint8_t * buf, size_t len);
void ProcessData (uint8_t * buf, size_t len);
private:
@ -183,6 +185,7 @@ namespace transport
uint32_t SendData (const uint8_t * buf, size_t len); // returns packet num
void SendQuickAck ();
void SendTermination ();
void SendHolePunch (uint32_t nonce, const boost::asio::ip::udp::endpoint& ep, const uint8_t * introKey);
void HandlePayload (const uint8_t * buf, size_t len);
void HandleAck (const uint8_t * buf, size_t len);
@ -199,7 +202,7 @@ namespace transport
void HandleRelayIntro (const uint8_t * buf, size_t len);
void HandleRelayResponse (const uint8_t * buf, size_t len);
size_t CreateAddressBlock (const boost::asio::ip::udp::endpoint& ep, uint8_t * buf, size_t len);
size_t CreateAddressBlock (uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& ep);
size_t CreateAckBlock (uint8_t * buf, size_t len);
size_t CreatePaddingBlock (uint8_t * buf, size_t len, size_t minSize = 0);
size_t CreateI2NPBlock (uint8_t * buf, size_t len, std::shared_ptr<I2NPMessage>&& msg);
@ -273,7 +276,6 @@ namespace transport
const boost::asio::ip::udp::endpoint& to);
void Send (const uint8_t * header, size_t headerLen, const uint8_t * headerX, size_t headerXLen,
const uint8_t * payload, size_t payloadLen, const boost::asio::ip::udp::endpoint& to);
void SendHolePunch (const boost::asio::ip::udp::endpoint& to);
bool CreateSession (std::shared_ptr<const i2p::data::RouterInfo> router,
std::shared_ptr<const i2p::data::RouterInfo::Address> address);