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I2P: End-to-End encrypted and anonymous Internet
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103 lines
3.3 KiB
103 lines
3.3 KiB
#ifndef NETDB_H__ |
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#define NETDB_H__ |
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#include <inttypes.h> |
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#include <set> |
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#include <map> |
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#include <string> |
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#include <thread> |
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#include "Queue.h" |
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#include "I2NPProtocol.h" |
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#include "RouterInfo.h" |
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#include "LeaseSet.h" |
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#include "Tunnel.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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class RequestedDestination |
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{ |
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public: |
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RequestedDestination (const IdentHash& destination, bool isLeaseSet, bool isExploratory = false): |
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m_Destination (destination), m_IsLeaseSet (isLeaseSet), m_IsExploratory (isExploratory), |
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m_LastRouter (nullptr), m_LastReplyTunnel (nullptr), m_LastOutboundTunnel (nullptr) {}; |
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const IdentHash& GetDestination () const { return m_Destination; }; |
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int GetNumExcludedPeers () const { return m_ExcludedPeers.size (); }; |
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const std::set<IdentHash>& GetExcludedPeers () { return m_ExcludedPeers; }; |
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const RouterInfo * GetLastRouter () const { return m_LastRouter; }; |
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const i2p::tunnel::InboundTunnel * GetLastReplyTunnel () const { return m_LastReplyTunnel; }; |
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bool IsExploratory () const { return m_IsExploratory; }; |
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bool IsExcluded (const IdentHash& ident) const { return m_ExcludedPeers.count (ident); }; |
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I2NPMessage * CreateRequestMessage (const RouterInfo * router, const i2p::tunnel::InboundTunnel * replyTunnel); |
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i2p::tunnel::OutboundTunnel * GetLastOutboundTunnel () const { return m_LastOutboundTunnel; }; |
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void SetLastOutboundTunnel (i2p::tunnel::OutboundTunnel * tunnel) { m_LastOutboundTunnel = tunnel; }; |
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private: |
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IdentHash m_Destination; |
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bool m_IsLeaseSet, m_IsExploratory; |
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std::set<IdentHash> m_ExcludedPeers; |
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const RouterInfo * m_LastRouter; |
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const i2p::tunnel::InboundTunnel * m_LastReplyTunnel; |
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i2p::tunnel::OutboundTunnel * m_LastOutboundTunnel; |
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}; |
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class NetDb |
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{ |
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public: |
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NetDb (); |
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~NetDb (); |
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void Start (); |
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void Stop (); |
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void AddRouterInfo (uint8_t * buf, int len); |
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void AddLeaseSet (uint8_t * buf, int len); |
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RouterInfo * FindRouter (const IdentHash& ident) const; |
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LeaseSet * FindLeaseSet (const IdentHash& destination) const; |
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void RequestDestination (const char * b32); // in base32 |
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void RequestDestination (const IdentHash& destination, bool isLeaseSet = false); |
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void HandleDatabaseStoreMsg (uint8_t * buf, size_t len); |
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void HandleDatabaseSearchReplyMsg (I2NPMessage * msg); |
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const RouterInfo * GetRandomNTCPRouter (bool floodfillOnly = false) const; |
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const RouterInfo * GetRandomRouter () const; |
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void PostI2NPMsg (I2NPMessage * msg); |
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private: |
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void Load (const char * directory); |
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void SaveUpdated (const char * directory); |
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void DownloadRouterInfo (const std::string& address, const std::string& filename); // for reseed |
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void Run (); // exploratory thread |
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void Explore (); |
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const RouterInfo * GetClosestFloodfill (const IdentHash& destination, const std::set<IdentHash>& excluded) const; |
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RequestedDestination * CreateRequestedDestination (const IdentHash& dest, |
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bool isLeaseSet, bool isExploratory = false); |
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void DeleteRequestedDestination (const IdentHash& dest); |
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private: |
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std::map<IdentHash, LeaseSet *> m_LeaseSets; |
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std::map<IdentHash, RouterInfo *> m_RouterInfos; |
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std::map<IdentHash, RequestedDestination *> m_RequestedDestinations; |
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bool m_IsRunning; |
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std::thread * m_Thread; |
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i2p::util::Queue<I2NPMessage> m_Queue; // of I2NPDatabaseStoreMsg |
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}; |
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extern NetDb netdb; |
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} |
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} |
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#endif
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