I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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#ifndef ROUTER_CONTEXT_H__
#define ROUTER_CONTEXT_H__
#include <inttypes.h>
#include <string>
#include <memory>
#include <boost/asio.hpp>
#include <cryptopp/dsa.h>
#include <cryptopp/osrng.h>
#include "Identity.h"
#include "RouterInfo.h"
#include "Garlic.h"
namespace i2p
{
const char ROUTER_INFO[] = "router.info";
const char ROUTER_KEYS[] = "router.keys";
const int ROUTER_INFO_UPDATE_INTERVAL = 1800; // 30 minutes
class RouterContext: public i2p::garlic::GarlicDestination
{
public:
RouterContext ();
void Init ();
i2p::data::RouterInfo& GetRouterInfo () { return m_RouterInfo; };
std::shared_ptr<const i2p::data::RouterInfo> GetSharedRouterInfo () const
{
return std::shared_ptr<const i2p::data::RouterInfo> (&m_RouterInfo,
[](const i2p::data::RouterInfo *) {});
}
CryptoPP::RandomNumberGenerator& GetRandomNumberGenerator () { return m_Rnd; };
void UpdatePort (int port); // called from Daemon
void UpdateAddress (const boost::asio::ip::address& host); // called from SSU or Daemon
bool AddIntroducer (const i2p::data::RouterInfo& routerInfo, uint32_t tag);
void RemoveIntroducer (const boost::asio::ip::udp::endpoint& e);
bool IsUnreachable () const { return m_IsUnreachable; };
void SetUnreachable ();
bool IsFloodfill () const { return m_IsFloodfill; };
void SetFloodfill (bool floodfill);
bool AcceptsTunnels () const { return m_AcceptsTunnels; };
void SetAcceptsTunnels (bool acceptsTunnels) { m_AcceptsTunnels = acceptsTunnels; };
bool SupportsV6 () const { return m_RouterInfo.IsV6 (); };
void SetSupportsV6 (bool supportsV6);
void UpdateNTCPV6Address (const boost::asio::ip::address& host); // called from NTCP session
// implements LocalDestination
const i2p::data::PrivateKeys& GetPrivateKeys () const { return m_Keys; };
const uint8_t * GetEncryptionPrivateKey () const { return m_Keys.GetPrivateKey (); };
const uint8_t * GetEncryptionPublicKey () const { return GetIdentity ().GetStandardIdentity ().publicKey; };
void SetLeaseSetUpdated () {};
// implements GarlicDestination
const i2p::data::LeaseSet * GetLeaseSet () { return nullptr; };
void HandleI2NPMessage (const uint8_t * buf, size_t len, i2p::tunnel::InboundTunnel * from);
private:
void CreateNewRouter ();
void NewRouterInfo ();
void UpdateRouterInfo ();
bool Load ();
void SaveKeys ();
private:
i2p::data::RouterInfo m_RouterInfo;
i2p::data::PrivateKeys m_Keys;
CryptoPP::AutoSeededRandomPool m_Rnd;
uint64_t m_LastUpdateTime;
bool m_IsUnreachable, m_AcceptsTunnels, m_IsFloodfill;
};
extern RouterContext context;
}
#endif