i2pd/I2PTunnel.h

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#ifndef I2PTUNNEL_H__
#define I2PTUNNEL_H__
#include <inttypes.h>
#include <string>
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#include <set>
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#include <memory>
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#include <boost/asio.hpp>
#include "Identity.h"
#include "Destination.h"
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#include "Streaming.h"
#include "I2PService.h"
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namespace i2p
{
namespace client
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{
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const size_t I2P_TUNNEL_CONNECTION_BUFFER_SIZE = 8192;
const int I2P_TUNNEL_CONNECTION_MAX_IDLE = 3600; // in seconds
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const int I2P_TUNNEL_DESTINATION_REQUEST_TIMEOUT = 10; // in seconds
class I2PTunnelConnection: public I2PServiceHandler, public std::enable_shared_from_this<I2PTunnelConnection>
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{
public:
I2PTunnelConnection (I2PService * owner, boost::asio::ip::tcp::socket * socket,
const i2p::data::LeaseSet * leaseSet); // to I2P
I2PTunnelConnection (I2PService * owner, boost::asio::ip::tcp::socket * socket,
std::shared_ptr<i2p::stream::Stream> stream); // to I2P using simplified API :)
I2PTunnelConnection (I2PService * owner, std::shared_ptr<i2p::stream::Stream> stream, boost::asio::ip::tcp::socket * socket,
const boost::asio::ip::tcp::endpoint& target, bool quiet = true); // from I2P
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~I2PTunnelConnection ();
void I2PConnect (const uint8_t * msg = nullptr, size_t len = 0);
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void Connect ();
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private:
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void Terminate ();
void Receive ();
void HandleReceived (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleWrite (const boost::system::error_code& ecode);
void StreamReceive ();
void HandleStreamReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred);
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void HandleConnect (const boost::system::error_code& ecode);
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private:
uint8_t m_Buffer[I2P_TUNNEL_CONNECTION_BUFFER_SIZE], m_StreamBuffer[I2P_TUNNEL_CONNECTION_BUFFER_SIZE];
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boost::asio::ip::tcp::socket * m_Socket;
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std::shared_ptr<i2p::stream::Stream> m_Stream;
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boost::asio::ip::tcp::endpoint m_RemoteEndpoint;
bool m_IsQuiet; // don't send destination
};
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class I2PClientTunnel: public TCPIPAcceptor
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{
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protected:
// Implements TCPIPAcceptor
std::shared_ptr<I2PServiceHandler> CreateHandler(boost::asio::ip::tcp::socket * socket);
const char* GetName() { return "I2P Client Tunnel"; }
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public:
I2PClientTunnel (const std::string& destination, int port, ClientDestination * localDestination = nullptr);
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~I2PClientTunnel () {}
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void Start ();
void Stop ();
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private:
const i2p::data::IdentHash * GetIdentHash ();
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std::string m_Destination;
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const i2p::data::IdentHash * m_DestinationIdentHash;
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};
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class I2PServerTunnel: public I2PService
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{
public:
I2PServerTunnel (const std::string& address, int port, ClientDestination * localDestination);
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void Start ();
void Stop ();
private:
void Accept ();
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void HandleAccept (std::shared_ptr<i2p::stream::Stream> stream);
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private:
boost::asio::ip::tcp::endpoint m_Endpoint;
};
}
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}
#endif