tomFlowee
447a2e12e6
When a peer never sends headers we now ban it after a timeout based on the idea that we don't even know if this peer is on the same chain as we are.
48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (C) 2021 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 "CleanPeersAction.h"
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#include "DownloadManager.h"
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#include "Peer.h"
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#include <Logger.h>
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CleanPeersAction::CleanPeersAction(DownloadManager *parent)
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: Action(parent)
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{
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setInterval(35 * 1000);
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}
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void CleanPeersAction::execute(const boost::system::error_code &error)
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{
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if (error)
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return;
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for (auto peer : m_dlm->connectionManager().connectedPeers()) {
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logDebug() << "peer" << peer->connectionId() << "headers" << peer->peerAddress().lastReceivedGoodHeaders()
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<< time(nullptr) - peer->peerAddress().lastConnected() << "s";
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// ban peers that never responded to our request for headers
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if (peer->peerAddress().lastReceivedGoodHeaders() == 0
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&& time(nullptr) - peer->peerAddress().lastConnected() > 90) {
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m_dlm->connectionManager().punish(peer, PUNISHMENT_MAX);
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continue;
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}
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}
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again();
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}
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