54 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			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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#include "mtproto/details/mtproto_received_ids_manager.h"
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namespace MTP::details {
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bool ReceivedIdsManager::registerMsgId(mtpMsgId msgId, bool needAck) {
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	const auto i = _idsNeedAck.find(msgId);
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	if (i == _idsNeedAck.end()) {
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		if (_idsNeedAck.size() < kIdsBufferSize || msgId > min()) {
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			_idsNeedAck.emplace(msgId, needAck);
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			return true;
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		}
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		MTP_LOG(-1, ("No need to handle - %1 < min = %2").arg(msgId).arg(min()));
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	} else {
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		MTP_LOG(-1, ("No need to handle - %1 already is in map").arg(msgId));
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	}
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	return false;
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}
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mtpMsgId ReceivedIdsManager::min() const {
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	return _idsNeedAck.empty() ? 0 : _idsNeedAck.begin()->first;
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}
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mtpMsgId ReceivedIdsManager::max() const {
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	auto end = _idsNeedAck.end();
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	return _idsNeedAck.empty() ? 0 : (--end)->first;
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}
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ReceivedIdsManager::State ReceivedIdsManager::lookup(mtpMsgId msgId) const {
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	auto i = _idsNeedAck.find(msgId);
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	if (i == _idsNeedAck.end()) {
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		return State::NotFound;
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	}
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	return i->second ? State::NeedsAck : State::NoAckNeeded;
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}
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void ReceivedIdsManager::shrink() {
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	auto size = _idsNeedAck.size();
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	while (size-- > kIdsBufferSize) {
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		_idsNeedAck.erase(_idsNeedAck.begin());
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	}
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}
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void ReceivedIdsManager::clear() {
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	_idsNeedAck.clear();
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}
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} // namespace MTP::details
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