I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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#ifndef TRANSIT_TUNNEL_H__
#define TRANSIT_TUNNEL_H__
#include <inttypes.h>
#include "aes.h"
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#include "I2NPProtocol.h"
#include "TunnelEndpoint.h"
#include "TunnelGateway.h"
#include "TunnelBase.h"
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namespace i2p
{
namespace tunnel
{
class TransitTunnel: public TunnelBase // tunnel patricipant
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{
public:
TransitTunnel (uint32_t receiveTunnelID,
const uint8_t * nextIdent, uint32_t nextTunnelID,
const uint8_t * layerKey,const uint8_t * ivKey);
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virtual void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg);
virtual void SendTunnelDataMsg (i2p::I2NPMessage * msg);
virtual size_t GetNumTransmittedBytes () const { return m_NumTransmittedBytes; };
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uint32_t GetTunnelID () const { return m_TunnelID; };
// implements TunnelBase
void EncryptTunnelMsg (I2NPMessage * tunnelMsg);
uint32_t GetNextTunnelID () const { return m_NextTunnelID; };
const i2p::data::IdentHash& GetNextIdentHash () const { return m_NextIdent; };
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private:
uint32_t m_TunnelID, m_NextTunnelID;
i2p::data::IdentHash m_NextIdent;
size_t m_NumTransmittedBytes;
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i2p::crypto::TunnelEncryption m_Encryption;
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};
class TransitTunnelGateway: public TransitTunnel
{
public:
TransitTunnelGateway (uint32_t receiveTunnelID,
const uint8_t * nextIdent, uint32_t nextTunnelID,
const uint8_t * layerKey,const uint8_t * ivKey):
TransitTunnel (receiveTunnelID, nextIdent, nextTunnelID,
layerKey, ivKey), m_Gateway(this) {};
void SendTunnelDataMsg (i2p::I2NPMessage * msg);
size_t GetNumTransmittedBytes () const { return m_Gateway.GetNumSentBytes (); };
private:
TunnelGateway m_Gateway;
};
class TransitTunnelEndpoint: public TransitTunnel
{
public:
TransitTunnelEndpoint (uint32_t receiveTunnelID,
const uint8_t * nextIdent, uint32_t nextTunnelID,
const uint8_t * layerKey,const uint8_t * ivKey):
TransitTunnel (receiveTunnelID, nextIdent, nextTunnelID, layerKey, ivKey) {};
void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg);
size_t GetNumTransmittedBytes () const { return m_Endpoint.GetNumReceivedBytes (); }
private:
TunnelEndpoint m_Endpoint;
};
TransitTunnel * CreateTransitTunnel (uint32_t receiveTunnelID,
const uint8_t * nextIdent, uint32_t nextTunnelID,
const uint8_t * layerKey,const uint8_t * ivKey,
bool isGateway, bool isEndpoint);
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}
}
#endif