ab093d58d6* Move container info classes to separate file * Introduce better `container_info` class * Rename legacy to `container_info_entry` * Conversion * Test * Fixes
107 lines
2.5 KiB
C++
107 lines
2.5 KiB
C++
#pragma once
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#include <nano/lib/locks.hpp>
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#include <nano/lib/numbers.hpp>
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#include <nano/node/fwd.hpp>
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#include <nano/secure/common.hpp>
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#include <nano/store/transaction.hpp>
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#include <boost/multi_index/hashed_index.hpp>
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#include <boost/multi_index/ordered_index.hpp>
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#include <boost/multi_index_container.hpp>
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#include <atomic>
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#include <chrono>
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#include <condition_variable>
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#include <thread>
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namespace mi = boost::multi_index;
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namespace nano::scheduler
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{
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class hinted_config final
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{
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public:
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explicit hinted_config (nano::network_constants const &);
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nano::error deserialize (nano::tomlconfig & toml);
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nano::error serialize (nano::tomlconfig & toml) const;
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public:
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bool enabled{ true };
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std::chrono::milliseconds check_interval{ 1000 };
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std::chrono::milliseconds block_cooldown{ 10000 };
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unsigned hinting_threshold_percent{ 10 };
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unsigned vacancy_threshold_percent{ 20 };
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};
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/*
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* Monitors inactive vote cache and schedules elections with the highest observed vote tally.
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*/
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class hinted final
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{
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public:
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hinted (hinted_config const &, nano::node &, nano::vote_cache &, nano::active_elections &, nano::online_reps &, nano::stats &);
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~hinted ();
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void start ();
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void stop ();
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/*
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* Notify about changes in AEC vacancy
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*/
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void notify ();
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nano::container_info container_info () const;
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private:
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bool predicate () const;
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void run ();
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void run_iterative ();
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void activate (secure::read_transaction &, nano::block_hash const & hash, bool check_dependents);
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nano::uint128_t tally_threshold () const;
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nano::uint128_t final_tally_threshold () const;
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private: // Dependencies
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nano::node & node;
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nano::vote_cache & vote_cache;
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nano::active_elections & active;
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nano::online_reps & online_reps;
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nano::stats & stats;
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private:
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hinted_config const & config;
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std::atomic<bool> stopped{ false };
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nano::condition_variable condition;
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mutable nano::mutex mutex;
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std::thread thread;
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private:
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bool cooldown (nano::block_hash const & hash);
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struct cooldown_entry
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{
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nano::block_hash hash;
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std::chrono::steady_clock::time_point timeout;
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};
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// clang-format off
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class tag_hash {};
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class tag_timeout {};
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// clang-format on
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// clang-format off
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using ordered_cooldowns = boost::multi_index_container<cooldown_entry,
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mi::indexed_by<
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mi::hashed_unique<mi::tag<tag_hash>,
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mi::member<cooldown_entry, nano::block_hash, &cooldown_entry::hash>>,
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mi::ordered_non_unique<mi::tag<tag_timeout>,
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mi::member<cooldown_entry, std::chrono::steady_clock::time_point, &cooldown_entry::timeout>>
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>>;
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// clang-format on
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ordered_cooldowns cooldowns_m;
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};
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}
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