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44 lines
883 B
C++
44 lines
883 B
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "base/flat_map.h"
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namespace MTP::details {
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// Received msgIds and wereAcked msgIds count stored.
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inline constexpr auto kIdsBufferSize = 400;
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class ReceivedIdsManager final {
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public:
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enum class State {
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NotFound,
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NeedsAck,
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NoAckNeeded,
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};
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enum class Result {
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Success,
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Duplicate,
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TooOld,
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};
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[[nodiscard]] Result registerMsgId(mtpMsgId msgId, bool needAck);
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[[nodiscard]] mtpMsgId min() const;
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[[nodiscard]] mtpMsgId max() const;
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[[nodiscard]] State lookup(mtpMsgId msgId) const;
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void shrink();
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void clear();
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private:
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base::flat_map<mtpMsgId, bool> _idsNeedAck;
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};
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} // namespace MTP::details
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