I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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/*
* Copyright (c) 2013-2023, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
* See full license text in LICENSE file at top of project tree
*/
#ifndef PROFILING_H__
#define PROFILING_H__
#include <memory>
#include <boost/date_time/posix_time/posix_time.hpp>
#include "Identity.h"
namespace i2p
{
namespace data
{
// sections
const char PEER_PROFILE_SECTION_PARTICIPATION[] = "participation";
const char PEER_PROFILE_SECTION_USAGE[] = "usage";
// params
const char PEER_PROFILE_LAST_UPDATE_TIME[] = "lastupdatetime";
const char PEER_PROFILE_LAST_UNREACHABLE_TIME[] = "lastunreachabletime";
const char PEER_PROFILE_PARTICIPATION_AGREED[] = "agreed";
const char PEER_PROFILE_PARTICIPATION_DECLINED[] = "declined";
const char PEER_PROFILE_PARTICIPATION_NON_REPLIED[] = "nonreplied";
const char PEER_PROFILE_USAGE_TAKEN[] = "taken";
const char PEER_PROFILE_USAGE_REJECTED[] = "rejected";
const int PEER_PROFILE_EXPIRATION_TIMEOUT = 36; // in hours (1.5 days)
const int PEER_PROFILE_AUTOCLEAN_TIMEOUT = 6 * 3600; // in seconds (6 hours)
const int PEER_PROFILE_AUTOCLEAN_VARIANCE = 3600; // in seconds (1 hour)
const int PEER_PROFILE_DECLINED_RECENTLY_INTERVAL = 150; // in seconds (2.5 minutes)
const int PEER_PROFILE_PERSIST_INTERVAL = 3300; // in seconds (55 minutes)
const int PEER_PROFILE_UNREACHABLE_INTERVAL = 2*3600; // on seconds (2 hours)
class RouterProfile
{
public:
RouterProfile ();
RouterProfile& operator= (const RouterProfile& ) = default;
void Save (const IdentHash& identHash);
void Load (const IdentHash& identHash);
bool IsBad ();
bool IsUnreachable ();
void TunnelBuildResponse (uint8_t ret);
void TunnelNonReplied ();
void Unreachable ();
boost::posix_time::ptime GetLastUpdateTime () const { return m_LastUpdateTime; };
bool IsUpdated () const { return m_IsUpdated; };
private:
void UpdateTime ();
bool IsAlwaysDeclining () const { return !m_NumTunnelsAgreed && m_NumTunnelsDeclined >= 5; };
bool IsLowPartcipationRate () const;
bool IsLowReplyRate () const;
bool IsDeclinedRecently ();
private:
boost::posix_time::ptime m_LastUpdateTime; // TODO: use std::chrono
bool m_IsUpdated;
uint64_t m_LastDeclineTime, m_LastUnreachableTime; // in seconds
// participation
uint32_t m_NumTunnelsAgreed;
uint32_t m_NumTunnelsDeclined;
uint32_t m_NumTunnelsNonReplied;
// usage
uint32_t m_NumTimesTaken;
uint32_t m_NumTimesRejected;
};
std::shared_ptr<RouterProfile> GetRouterProfile (const IdentHash& identHash);
void InitProfilesStorage ();
void DeleteObsoleteProfiles ();
void SaveProfiles ();
void PersistProfiles ();
// static keys
bool CheckStaticKey (const i2p::data::Tag<32>& staticKey, const i2p::data::IdentHash& ident);
void UpdateStaticKey (const i2p::data::Tag<32>& staticKey, const i2p::data::IdentHash& ident);
}
}
#endif