I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

93 lines
2.2 KiB

#ifndef I2CP_H__
#define I2CP_H__
#include <inttypes.h>
#include <string>
#include <memory>
#include <boost/asio.hpp>
#include "Destination.h"
namespace i2p
{
namespace client
{
const uint8_t I2CP_PRTOCOL_BYTE = 0x2A;
const size_t I2CP_SESSION_BUFFER_SIZE = 4096;
const size_t I2CP_HEADER_LENGTH_OFFSET = 0;
const size_t I2CP_HEADER_TYPE_OFFSET = I2CP_HEADER_LENGTH_OFFSET + 4;
const size_t I2CP_HEADER_SIZE = I2CP_HEADER_TYPE_OFFSET + 1;
const uint8_t I2CP_GET_DATE_MESSAGE = 32;
class I2CPSession;
class I2CPDestination: public LeaseSetDestination
{
public:
I2CPDestination (I2CPSession& owner, std::shared_ptr<const i2p::data::IdentityEx> identity, bool isPublic);
protected:
// implements LocalDestination
std::shared_ptr<const i2p::data::IdentityEx> GetIdentity () const { return m_Identity; };
void Sign (const uint8_t * buf, int len, uint8_t * signature) const { /* TODO */};
// I2CP
void HandleDataMessage (const uint8_t * buf, size_t len) {};
private:
I2CPSession& m_Owner;
std::shared_ptr<const i2p::data::IdentityEx> m_Identity;
};
class I2CPServer;
class I2CPSession: public std::enable_shared_from_this<I2CPSession>
{
public:
I2CPSession (I2CPServer& owner, std::shared_ptr<boost::asio::ip::tcp::socket> socket);
~I2CPSession ();
// message handlers
void GetDateMessageHandler (const uint8_t * buf, size_t len);
private:
void ReadProtocolByte ();
void Receive ();
void HandleReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleNextMessage (const uint8_t * buf);
void Terminate ();
private:
I2CPServer& m_Owner;
std::shared_ptr<boost::asio::ip::tcp::socket> m_Socket;
uint8_t m_Buffer[I2CP_SESSION_BUFFER_SIZE], * m_NextMessage;
size_t m_NextMessageLen, m_NextMessageOffset;
std::shared_ptr<I2CPDestination> m_Destination;
};
typedef void (I2CPSession::*I2CPMessageHandler)(const uint8_t * buf, size_t len);
class I2CPServer
{
public:
I2CPServer (const std::string& interface, int port);
private:
I2CPMessageHandler m_MessagesHandlers[256];
public:
const decltype(m_MessagesHandlers)& GetMessagesHandlers () const { return m_MessagesHandlers; };
};
}
}
#endif