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103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
#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 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 RequestDestination (const IdentHash& destination, const RouterInfo * floodfill, 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 Run (); // exploratory thread
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void Explore ();
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const RouterInfo * GetClosestFloodfill (const IdentHash& destination) 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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