tdlight/tdutils/td/utils/FloodControlGlobal.h
2022-06-09 17:12:59 +03:00

36 lines
749 B
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/utils/common.h"
#include <atomic>
#include <memory>
namespace td {
// Restricts the total number of events
class FloodControlGlobal {
public:
explicit FloodControlGlobal(uint64 limit);
struct Finish {
void operator()(FloodControlGlobal *ctrl) const;
};
using Guard = std::unique_ptr<FloodControlGlobal, Finish>;
Guard try_start();
private:
std::atomic<uint64> active_count_{0};
uint64 limit_{0};
void finish();
};
} // namespace td