mirror of https://github.com/kiwix/libkiwix.git
108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
/*
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* Copyright 2018 Matthieu Gautier <mgautier@kymeria.fr>
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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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* 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 Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#ifndef KIWIX_DOWNLOADER_H
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#define KIWIX_DOWNLOADER_H
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#include <string>
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#include <vector>
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#include <map>
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#include <memory>
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#include <stdexcept>
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namespace kiwix
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{
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class Aria2;
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struct DownloadedFile {
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DownloadedFile()
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: success(false) {}
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bool success;
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std::string path;
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};
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class AriaError : public std::runtime_error {
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public:
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AriaError(const std::string& message) : std::runtime_error(message) {}
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};
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class Download {
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public:
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typedef enum { K_ACTIVE, K_WAITING, K_PAUSED, K_ERROR, K_COMPLETE, K_REMOVED, K_UNKNOWN } StatusResult;
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Download() :
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m_status(K_UNKNOWN) {}
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Download(std::shared_ptr<Aria2> p_aria, std::string did)
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: mp_aria(p_aria),
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m_status(K_UNKNOWN),
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m_did(did) {};
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void updateStatus(bool follow=false);
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void pauseDownload();
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void resumeDownload();
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void cancelDownload();
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StatusResult getStatus() { return m_status; }
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std::string getDid() { return m_did; }
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std::string getFollowedBy() { return m_followedBy; }
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uint64_t getTotalLength() { return m_totalLength; }
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uint64_t getCompletedLength() { return m_completedLength; }
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uint64_t getDownloadSpeed() { return m_downloadSpeed; }
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uint64_t getVerifiedLength() { return m_verifiedLength; }
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std::string getPath() { return m_path; }
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std::vector<std::string>& getUris() { return m_uris; }
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protected:
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std::shared_ptr<Aria2> mp_aria;
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StatusResult m_status;
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std::string m_did = "";
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std::string m_followedBy = "";
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uint64_t m_totalLength;
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uint64_t m_completedLength;
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uint64_t m_downloadSpeed;
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uint64_t m_verifiedLength;
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std::vector<std::string> m_uris;
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std::string m_path;
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};
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/**
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* A tool to download things.
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*
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*/
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class Downloader
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{
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public:
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Downloader();
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virtual ~Downloader();
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void close();
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Download* startDownload(const std::string& uri, const std::vector<std::pair<std::string, std::string>>& options = {});
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Download* getDownload(const std::string& did);
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size_t getNbDownload() { return m_knownDownloads.size(); }
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std::vector<std::string> getDownloadIds();
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private:
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std::map<std::string, std::unique_ptr<Download>> m_knownDownloads;
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std::shared_ptr<Aria2> mp_aria;
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};
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}
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#endif
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