36 lines
749 B
C++
36 lines
749 B
C++
//
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
|
|
//
|
|
// 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
|