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c427305805
Decoupling initialization from loading the database means we need to assert if the database is actually loaded before performing any operations on it (i.e. check if the manager is "valid")
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
// Copyright (c) 2014-2023 The Dash Core developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_NETFULFILLEDMAN_H
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#define BITCOIN_NETFULFILLEDMAN_H
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#include <netaddress.h>
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#include <serialize.h>
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#include <sync.h>
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#include <memory>
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template<typename T>
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class CFlatDB;
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class CNetFulfilledRequestManager;
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class NetFulfilledRequestStore
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{
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protected:
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typedef std::map<std::string, int64_t> fulfilledreqmapentry_t;
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typedef std::map<CService, fulfilledreqmapentry_t> fulfilledreqmap_t;
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protected:
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//keep track of what node has/was asked for and when
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fulfilledreqmap_t mapFulfilledRequests;
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mutable RecursiveMutex cs_mapFulfilledRequests;
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public:
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SERIALIZE_METHODS(NetFulfilledRequestStore, obj)
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{
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LOCK(obj.cs_mapFulfilledRequests);
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READWRITE(obj.mapFulfilledRequests);
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}
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void Clear();
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std::string ToString() const;
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};
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// Fulfilled requests are used to prevent nodes from asking for the same data on sync
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// and from being banned for doing so too often.
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class CNetFulfilledRequestManager : public NetFulfilledRequestStore
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{
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private:
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using db_type = CFlatDB<NetFulfilledRequestStore>;
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private:
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const std::unique_ptr<db_type> m_db;
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bool is_valid{false};
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public:
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explicit CNetFulfilledRequestManager();
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~CNetFulfilledRequestManager();
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bool LoadCache(bool load_cache);
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bool IsValid() const { return is_valid; }
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void CheckAndRemove();
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void AddFulfilledRequest(const CService& addr, const std::string& strRequest);
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bool HasFulfilledRequest(const CService& addr, const std::string& strRequest);
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void RemoveAllFulfilledRequests(const CService& addr);
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void DoMaintenance();
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};
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#endif // BITCOIN_NETFULFILLEDMAN_H
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