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105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
/*
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* Copyright (c) 2013-2023, The PurpleI2P Project
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*
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* This file is part of Purple i2pd project and licensed under BSD3
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*
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* See full license text in LICENSE file at top of project tree
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*/
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#ifndef PROFILING_H__
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#define PROFILING_H__
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#include <memory>
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#include "Identity.h"
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namespace i2p
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{
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namespace data
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{
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const char PEER_PROFILES_DB_FILENAME[] = "peerProfiles.dat";
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/** example json peer profile (pretty-printed):
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{
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"peerid": "<base64-ident>",
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"lasttime": { "update": 123456789, "decline": 123456789, "unreachable": 123456789 },
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"tunnels": { "agreed": 17. "declined": 4, "noreply: 2 },
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"usage": { "taken": 10, "rejected": 3 }
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} */
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// params
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const char PEER_PROFILE_PEER_ID[] = "peerid";
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const char PEER_PROFILE_LAST_UPDATE_TIME[] = "lasttime.update";
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const char PEER_PROFILE_LAST_DECLINE_TIME[] = "lasttime.decline";
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const char PEER_PROFILE_LAST_UNREACHABLE_TIME[] = "lasttime.unreachable";
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const char PEER_PROFILE_PARTICIPATION_AGREED[] = "tunnels.agreed";
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const char PEER_PROFILE_PARTICIPATION_DECLINED[] = "tunnels.declined";
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const char PEER_PROFILE_PARTICIPATION_NON_REPLIED[] = "tunnels.noreply";
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const char PEER_PROFILE_USAGE_TAKEN[] = "usage.taken";
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const char PEER_PROFILE_USAGE_REJECTED[] = "usage.rejected";
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const char PEER_PROFILE_USAGE_CONNECTED[] = "usage.connected";
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const int PEER_PROFILE_EXPIRATION_TIMEOUT = 36; // in hours (1.5 days)
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const int PEER_PROFILE_AUTOCLEAN_TIMEOUT = 6 * 3600; // in seconds (6 hours)
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const int PEER_PROFILE_AUTOCLEAN_VARIANCE = 3600; // in seconds (1 hour)
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const int PEER_PROFILE_DECLINED_RECENTLY_INTERVAL = 150; // in seconds (2.5 minutes)
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const int PEER_PROFILE_PERSIST_INTERVAL = 3300; // in seconds (55 minutes)
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const int PEER_PROFILE_UNREACHABLE_INTERVAL = 2*3600; // on seconds (2 hours)
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const int PEER_PROFILE_USEFUL_THRESHOLD = 3;
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class RouterProfile
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{
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public:
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RouterProfile ();
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RouterProfile& operator= (const RouterProfile& ) = default;
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std::string Dump (const std::string& peerid);
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std::string Load (const std::string& jsondata);
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bool IsBad ();
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bool IsUnreachable ();
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bool IsUseful() const;
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bool IsReal () const { return m_HasConnected || m_NumTunnelsAgreed > 0 || m_NumTunnelsDeclined > 0; }
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void TunnelBuildResponse (uint8_t ret);
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void TunnelNonReplied ();
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void Unreachable ();
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void Connected ();
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uint64_t GetLastUpdateTime () const { return m_LastUpdateTime; };
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private:
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bool IsAlwaysDeclining () const { return !m_NumTunnelsAgreed && m_NumTunnelsDeclined >= 5; };
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bool IsLowPartcipationRate () const;
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bool IsLowReplyRate () const;
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bool IsDeclinedRecently ();
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private:
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// lasttime
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uint64_t m_LastUpdateTime;
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uint64_t m_LastDeclineTime;
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uint64_t m_LastUnreachableTime;
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// participation
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uint32_t m_NumTunnelsAgreed;
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uint32_t m_NumTunnelsDeclined;
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uint32_t m_NumTunnelsNonReplied;
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// usage
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uint32_t m_NumTimesTaken;
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uint32_t m_NumTimesRejected;
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bool m_HasConnected; // successful trusted(incoming or NTCP2) connection
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};
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std::shared_ptr<RouterProfile> GetRouterProfile (const IdentHash& identHash);
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/** database file operations */
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void LoadProfilesDB (); /*< read saved peer profiles from file to memory */
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void SaveProfilesDB (); /*< serialize and write to file known peer profiles */
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/** memory database operations */
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void PruneExpiredProfiles (); /*< discard peer profiles inactive for long time */
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void ClearProfilesDB (); /*< discard ALL known peer profiles */
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}
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}
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#endif
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