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89 lines
3.6 KiB
C++
89 lines
3.6 KiB
C++
/***************************************************************************
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* Copyright (C) 2009 Matthias Fuchs <mat69@gmx.net> *
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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 2 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, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
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***************************************************************************/
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#ifndef CHECKSUMSEARCHTRANSFERDATASOURCE_H
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#define CHECKSUMSEARCHTRANSFERDATASOURCE_H
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#include "core/transferdatasource.h"
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#include <KIO/Job>
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class ChecksumSearch;
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class ChecksumSearchTransferDataSource;
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/**
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* ChecksumSearchController downloads the baseUrl of files one want to get checksums for
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* e.g. www.example.com/directory/file.zip the baseUrl would be www.example.com/directory/
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* the result is cached so not downloaded multiple times
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*/
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class ChecksumSearchController : public QObject
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{
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Q_OBJECT
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public:
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ChecksumSearchController(QObject *parent = 0);
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~ChecksumSearchController();
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/**
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* Registers a search, downloads baseUrl if that has not be downloaded and then
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* calls gotBaseUrl for any ChecksumSearchTransferDataSource that was registered
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* for this baseUrl
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* @param search ChecksumSearchTransferDataSource to register to baseUrl
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* @param baseUrl that is being downloaded
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*/
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void registerSearch(ChecksumSearchTransferDataSource *search, const KUrl &baseUrl);
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/**
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* Unregisters a search, do that e.g. if the search gets destroyed
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* @param search ChecksumSearchTransferDataSource to unregister to baseUrl
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* @param baseUrl can be empty, in that case search is unregistered for any url
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*/
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void unregisterSearch(ChecksumSearchTransferDataSource *search, const KUrl &baseUrl = KUrl());
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private slots:
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void slotEntries(KIO::Job *job, const KIO::UDSEntryList &entries);
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void slotResult(KJob *job);
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private:
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QMultiHash<KUrl, ChecksumSearchTransferDataSource*> m_searches;
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QHash<KUrl, KUrl> m_finished;
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QHash<KJob*, QPair<KUrl, KUrl> > m_jobs;
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};
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class ChecksumSearchTransferDataSource : public TransferDataSource
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{
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Q_OBJECT
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public:
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ChecksumSearchTransferDataSource(const KUrl &srcUrl, QObject *parent);
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virtual ~ChecksumSearchTransferDataSource();
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void start();
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void stop();
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void addSegments(const QPair<KIO::fileoffset_t, KIO::fileoffset_t> &segmentSize, const QPair<int, int> &segmentRange);
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private:
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void gotBaseUrl(const KUrl &urlToFile);
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private:
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KUrl m_src;
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static ChecksumSearchController s_controller;
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friend class ChecksumSearchController;
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};
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#endif
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