81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (C) 2021-2022 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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#include "NotificationCenter.h"
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#include <cassert>
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NotificationCenter::NotificationCenter()
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{
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}
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void NotificationCenter::notifyNewBlock(int height)
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{
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P2PNet::Notification n;
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n.blockHeight = height;
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std::vector<NotificationListener*> listeners;
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{
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std::unique_lock<std::mutex> lock(m_lock);
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listeners = m_listeners;
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}
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if (listeners.empty())
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return;
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size_t i = 0;
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while (i < listeners.size()) {
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auto copy = listeners.at(i);
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copy->notifyNewBlock(n);
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if (listeners.at(i) == copy) // it didn't remove itself.
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++i;
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}
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}
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void NotificationCenter::notifyNewTransaction(const P2PNet::Notification &n)
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{
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size_t i = 0;
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std::unique_lock<std::mutex> lock(m_lock);
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if (m_listeners.empty())
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return;
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while (i < m_listeners.size()) {
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auto copy = m_listeners.at(i);
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copy->notifyNewTransaction(n);
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if (copy->isCollating())
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copy->updateSegment(n);
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if (m_listeners.at(i) == copy) // it didn't remove itself.
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++i;
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}
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}
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void NotificationCenter::addListener(NotificationListener *nl)
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{
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assert(nl);
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std::unique_lock<std::mutex> lock(m_lock);
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m_listeners.push_back(nl);
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}
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void NotificationCenter::removeListener(NotificationListener *nl)
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{
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std::unique_lock<std::mutex> lock(m_lock);
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auto iter = m_listeners.begin();
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while (iter != m_listeners.end()) {
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if (*iter == nl)
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iter = m_listeners.erase(iter);
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else
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++iter;
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}
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}
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