tomFlowee
6c9f1c4651
Instead of all places having their own copy and being wasteful in that way, we move ownership of an app wide version to the application singleton.
95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (C) 2024-2025 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 BLOCKHEADERSCHECKER_H
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#define BLOCKHEADERSCHECKER_H
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#include <QFile>
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#include <QObject>
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class QNetworkReply;
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class BlockHeadersChecker : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(int wantedHeight READ wantedHeight WRITE setWantedHeight NOTIFY wantedHeightChanged FINAL)
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Q_PROPERTY(int totalDownload READ totalDownload NOTIFY totalDownloadChanged FINAL)
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Q_PROPERTY(int bytesDownloaded READ bytesDownloaded NOTIFY bytesDownloadedChanged FINAL)
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Q_PROPERTY(Status status READ status NOTIFY statusChanged FINAL)
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public:
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BlockHeadersChecker(QObject *parent = nullptr);
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enum Status {
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Unset,
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NoDownloadNeeded,
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Checking,
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Downloading,
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Verifying,
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Success,
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DiskFailure,
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NetworkFailure
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};
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Q_ENUM(Status)
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int wantedHeight() const;
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void setWantedHeight(int h);
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/// the download progress in bytes
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void setBytesDownloaded(int count);
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int bytesDownloaded();
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/// the download target in bytes
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int totalDownload() const;
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void setTotalDownload(int newTotalDownload);
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void setStatus(Status newStatus);
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Status status() const;
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Q_INVOKABLE void restart();
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signals:
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void wantedHeightChanged();
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void bytesDownloadedChanged();
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void totalDownloadChanged();
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void statusChanged();
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// helper signal for threading.
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void finishUp(Status status);
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private slots:
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void startChecking();
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void headerReturned();
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void downloadFinished();
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void onBytesDownloaded();
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private:
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void processNewHeaders();
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int m_wantedHeight = 0;
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int m_checkpoint = 0; // start download at checkpoint-height
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int m_downloadTo = 0; // download to this point (we have the rest)
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int m_totalDownload = 0;
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int m_bytesDownloaded = 0; // download progress
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QNetworkReply *m_headerReply = nullptr;
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QNetworkReply *m_downloadReply = nullptr;
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QFile *m_newHeaders = nullptr;
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Status m_status = Unset;
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};
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#endif
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