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