I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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/*
* Copyright (c) 2013-2024, 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
*/
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#ifndef PROFILING_H__
#define PROFILING_H__
#include <memory>
#include <future>
#include <boost/asio.hpp>
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#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"; // deprecated
const char PEER_PROFILE_LAST_UPDATE_TIMESTAMP[] = "lastupdatetimestamp";
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 char PEER_PROFILE_USAGE_CONNECTED[] = "connected";
const char PEER_PROFILE_USAGE_DUPLICATED[] = "duplicated";
const int PEER_PROFILE_EXPIRATION_TIMEOUT = 36*60*60; // in seconds (1.5 days)
const int PEER_PROFILE_AUTOCLEAN_TIMEOUT = 1500; // in seconds (25 minutes)
const int PEER_PROFILE_AUTOCLEAN_VARIANCE = 900; // in seconds (15 minutes)
const int PEER_PROFILE_OBSOLETE_PROFILES_CLEAN_TIMEOUT = 5400; // in seconds (1.5 hours)
const int PEER_PROFILE_OBSOLETE_PROFILES_CLEAN_VARIANCE = 2400; // in seconds (40 minutes)
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 = 480; // in seconds (8 minutes)
const int PEER_PROFILE_USEFUL_THRESHOLD = 3;
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class RouterProfile
{
public:
RouterProfile ();
void Save (const IdentHash& identHash);
void Load (const IdentHash& identHash);
bool IsBad ();
bool IsUnreachable ();
bool IsReal () const { return m_HasConnected || m_NumTunnelsAgreed > 0 || m_NumTunnelsDeclined > 0; }
void TunnelBuildResponse (uint8_t ret);
void TunnelNonReplied ();
void Unreachable (bool unreachable);
void Connected ();
void Duplicated ();
uint64_t GetLastUpdateTime () const { return m_LastUpdateTime; };
bool IsUpdated () const { return m_IsUpdated; };
bool IsUseful() const;
bool IsDuplicated () const { return m_IsDuplicated; };
const boost::asio::ip::udp::endpoint& GetLastEndpoint () const { return m_LastEndpoint; }
void SetLastEndpoint (const boost::asio::ip::udp::endpoint& ep) { m_LastEndpoint = ep; }
bool HasLastEndpoint (bool v4) const { return !m_LastEndpoint.address ().is_unspecified () && m_LastEndpoint.port () &&
((v4 && m_LastEndpoint.address ().is_v4 ()) || (!v4 && m_LastEndpoint.address ().is_v6 ())); }
private:
void UpdateTime ();
bool IsAlwaysDeclining () const { return !m_NumTunnelsAgreed && m_NumTunnelsDeclined >= 5; };
bool IsLowPartcipationRate () const;
bool IsLowReplyRate () const;
bool IsDeclinedRecently ();
private:
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bool m_IsUpdated;
uint64_t m_LastDeclineTime, m_LastUnreachableTime, m_LastUpdateTime; // in seconds
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// participation
uint32_t m_NumTunnelsAgreed;
uint32_t m_NumTunnelsDeclined;
uint32_t m_NumTunnelsNonReplied;
// usage
uint32_t m_NumTimesTaken;
uint32_t m_NumTimesRejected;
bool m_HasConnected; // successful trusted(incoming or NTCP2) connection
bool m_IsDuplicated;
// connectivity
boost::asio::ip::udp::endpoint m_LastEndpoint; // SSU2 for non-published addresses
};
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std::shared_ptr<RouterProfile> GetRouterProfile (const IdentHash& identHash);
bool IsRouterBanned (const IdentHash& identHash); // check only existing profiles
void InitProfilesStorage ();
std::future<void> DeleteObsoleteProfiles ();
void SaveProfiles ();
std::future<void> PersistProfiles ();
}
}
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#endif