tomFlowee
0fb5795305
Also use the more appropriate lock_guard for mutex usage. And I noticed that in the NotificationCenter we assumed a callback would be able to unregister itself, which requires a recursive mutex. As such the mutex has now been elevated to be such.
53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (C) 2021-2025 Tom Zander <tom@flowee.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef FLOWEE_NOTIFICATIONCENTER_H
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#define FLOWEE_NOTIFICATIONCENTER_H
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#include "NotificationListener.h"
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#include <vector>
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#include <mutex>
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/**
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* Notifications are sent here from the p2pnet lib for users to subscribe to.
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*/
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class NotificationCenter
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{
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public:
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NotificationCenter();
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/**
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* Called by the p2p lib to notify we received a new block moving the 'tip'.
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*/
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void notifyNewBlock(int height);
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/**
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* Called by an end user application (probably a wallet) when a transaction is found.
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* The wallet, as represented by a PrivacySegment, pushes a notification into the
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* center so listeners will be made aware.
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*/
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void notifyNewTransaction(const P2PNet::Notification ¬ification);
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void addListener(NotificationListener *nl);
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void removeListener(NotificationListener *nl);
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private:
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std::vector<NotificationListener*> m_listeners;
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mutable std::recursive_mutex m_lock;
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};
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#endif
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