dncurrency/nano/lib/work.hpp
2019-05-24 09:36:59 +01:00

54 lines
1.8 KiB
C++

#pragma once
#include <nano/lib/config.hpp>
#include <nano/lib/numbers.hpp>
#include <nano/lib/utility.hpp>
#include <boost/optional.hpp>
#include <boost/thread/thread.hpp>
#include <atomic>
#include <condition_variable>
#include <memory>
#include <thread>
namespace nano
{
class block;
bool work_validate (nano::block_hash const &, uint64_t, uint64_t * = nullptr);
bool work_validate (nano::block const &, uint64_t * = nullptr);
uint64_t work_value (nano::block_hash const &, uint64_t);
class opencl_work;
class work_item final
{
public:
nano::uint256_union item;
std::function<void(boost::optional<uint64_t> const &)> callback;
uint64_t difficulty;
};
class work_pool final
{
public:
work_pool (unsigned, std::chrono::nanoseconds = std::chrono::nanoseconds (0), std::function<boost::optional<uint64_t> (nano::uint256_union const &, uint64_t)> = nullptr);
~work_pool ();
void loop (uint64_t);
void stop ();
void cancel (nano::uint256_union const &);
void generate (nano::uint256_union const &, std::function<void(boost::optional<uint64_t> const &)>);
void generate (nano::uint256_union const &, std::function<void(boost::optional<uint64_t> const &)>, uint64_t);
uint64_t generate (nano::uint256_union const &);
uint64_t generate (nano::uint256_union const &, uint64_t);
nano::network_constants network_constants;
std::atomic<int> ticket;
bool done;
std::vector<boost::thread> threads;
std::list<nano::work_item> pending;
std::mutex mutex;
std::condition_variable producer_condition;
std::chrono::nanoseconds pow_rate_limiter;
std::function<boost::optional<uint64_t> (nano::uint256_union const &, uint64_t)> opencl;
nano::observer_set<bool> work_observers;
};
std::unique_ptr<seq_con_info_component> collect_seq_con_info (work_pool & work_pool, const std::string & name);
}