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77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
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* Copyright (c) 2013-2020, 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 NETDB_REQUESTS_H__
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#define NETDB_REQUESTS_H__
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#include <memory>
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#include <set>
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#include <map>
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#include "Identity.h"
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#include "RouterInfo.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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typedef std::function<void (std::shared_ptr<RouterInfo>)> RequestComplete;
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RequestedDestination (const IdentHash& destination, bool isExploratory = false):
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m_Destination (destination), m_IsExploratory (isExploratory), m_CreationTime (0) {};
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~RequestedDestination () { if (m_RequestComplete) m_RequestComplete (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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void ClearExcludedPeers ();
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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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uint64_t GetCreationTime () const { return m_CreationTime; };
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std::shared_ptr<I2NPMessage> CreateRequestMessage (std::shared_ptr<const RouterInfo>, std::shared_ptr<const i2p::tunnel::InboundTunnel> replyTunnel);
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std::shared_ptr<I2NPMessage> CreateRequestMessage (const IdentHash& floodfill);
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void SetRequestComplete (const RequestComplete& requestComplete) { m_RequestComplete = requestComplete; };
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bool IsRequestComplete () const { return m_RequestComplete != nullptr; };
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void Success (std::shared_ptr<RouterInfo> r);
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void Fail ();
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private:
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IdentHash m_Destination;
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bool m_IsExploratory;
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std::set<IdentHash> m_ExcludedPeers;
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uint64_t m_CreationTime;
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RequestComplete m_RequestComplete;
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};
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class NetDbRequests
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{
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public:
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void Start ();
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void Stop ();
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std::shared_ptr<RequestedDestination> CreateRequest (const IdentHash& destination, bool isExploratory, RequestedDestination::RequestComplete requestComplete = nullptr);
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void RequestComplete (const IdentHash& ident, std::shared_ptr<RouterInfo> r);
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std::shared_ptr<RequestedDestination> FindRequest (const IdentHash& ident) const;
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void ManageRequests ();
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private:
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mutable std::mutex m_RequestedDestinationsMutex;
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std::map<IdentHash, std::shared_ptr<RequestedDestination> > m_RequestedDestinations;
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};
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}
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}
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#endif
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