Function run_test

tools/checking_benchmark.cpp:120–170

}

void run_test(std::string const& save_path, lt::create_flags_t const flags
	, lt::disk_io_constructor_type disk)
{
	auto const torrent_buf = generate_torrent(7000, save_path, flags);

	std::cout << "drop caches now. e.g. \"echo 1 | sudo tee /proc/sys/vm/drop_caches\"\n";
	std::cout << "press enter to continue\n";

	char dummy;
	std::cin.read(&dummy, 1);

	lt::session_params params;
	params.disk_io_constructor = disk;
	auto& s = params.settings;
	s.set_bool(lt::settings_pack::enable_dht, false);
	s.set_bool(lt::settings_pack::enable_upnp, false);
	s.set_bool(lt::settings_pack::enable_natpmp, false);
	s.set_bool(lt::settings_pack::enable_lsd, false);
	s.set_int(lt::settings_pack::hashing_threads, 1);
	s.set_int(lt::settings_pack::alert_mask
		, lt::alert_category::error | lt::alert_category::storage | lt::alert_category::status);
	s.set_str(lt::settings_pack::listen_interfaces, "");

	lt::session ses(params);
	lt::add_torrent_params atp = lt::load_torrent_buffer(torrent_buf);
	atp.save_path = save_path;
	atp.flags &= ~(lt::torrent_flags::paused | lt::torrent_flags::auto_managed);
	lt::torrent_handle h = ses.add_torrent(atp);
	auto const start = lt::clock_type::now();
	for (;;)
	{
		ses.wait_for_alert(5s);
		std::vector<lt::alert*> alerts;
		ses.pop_alerts(&alerts);
		for (lt::alert const* a : alerts)
		{
			std::cout << a->message() << '\n';
			if (auto const* sca = lt::alert_cast<lt::state_changed_alert>(a))
			{
				if (sca->state != lt::torrent_status::checking_files
					&& sca->state != lt::torrent_status::checking_resume_data)
					goto done;
			}
		}
	}
done:
	auto const end = lt::clock_type::now();
	std::cout << "\n\nduration: "
		<< (std::chrono::duration_cast<milliseconds>(end - start).count() / 1000.)
		<< "s\n";
}

}