swsf-bruteforce/src/worker.hpp

#pragma once
#include <cstdint>
#include <string>

namespace swbf {
	constexpr static auto MAX_CODE_LENGTH = 8;
	constexpr static auto THREAD_COUNT = 26; // this is a-z

	/// private structure
	struct ThreadInfoData;

	/// Per-thread worker for brute-forcing
	struct BruteforceWorker {
		/// Options for the worker.
		struct Options {
			/// The target hash to find matches for.
			std::uint32_t targetHash;

			/// If `startLength` should be treated as the code length.
			bool exact;

			std::uint32_t startLength;
			std::uint32_t endLength;
		};

		BruteforceWorker(unsigned tid, const Options& options);

		/// Public-facing driver function - the thread pool runs this.
		void Bruteforce(char prefix);

	   private:
		void BruteforceForLength(char prefix, std::uint32_t length);

		void CopyDisplayData();
		ThreadInfoData& DisplayData();

		Options options;

		unsigned threadIndex;
		std::string test_buffer;
		std::uint32_t hash;
	};

	/// returns true when all threads finished
	bool DisplayThreadInfo();


	void BruteMain(const swbf::BruteforceWorker::Options& options);

} // namespace swbf