mirror of
https://github.com/nzbget/nzbget.git
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93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
/*
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* This file is part of nzbget. See <http://nzbget.net>.
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*
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* Copyright (C) 2012-2019 Andrey Prygunkov <hugbug@users.sourceforge.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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef URLCOORDINATOR_H
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#define URLCOORDINATOR_H
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#include "NString.h"
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#include "Log.h"
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#include "Thread.h"
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#include "WebDownloader.h"
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#include "DownloadInfo.h"
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#include "Observer.h"
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class UrlDownloader;
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class UrlCoordinator : public Thread, public Observer, public Debuggable
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{
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public:
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UrlCoordinator();
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virtual ~UrlCoordinator();
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virtual void Run();
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virtual void Stop();
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void Update(Subject* caller, void* aspect);
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// Editing the queue
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void AddUrlToQueue(std::unique_ptr<NzbInfo> nzbInfo, bool addFirst);
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bool HasMoreJobs() { return m_hasMoreJobs; }
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bool DeleteQueueEntry(DownloadQueue* downloadQueue, NzbInfo* nzbInfo, bool avoidHistory);
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protected:
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virtual void LogDebugInfo();
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private:
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typedef std::list<UrlDownloader*> ActiveDownloads;
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class DownloadQueueObserver: public Observer
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{
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public:
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UrlCoordinator* m_owner;
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virtual void Update(Subject* caller, void* aspect) { m_owner->DownloadQueueUpdate(caller, aspect); }
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};
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ActiveDownloads m_activeDownloads;
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bool m_hasMoreJobs = true;
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bool m_force;
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Mutex m_waitMutex;
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ConditionVar m_waitCond;
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DownloadQueueObserver m_downloadQueueObserver;
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NzbInfo* GetNextUrl(DownloadQueue* downloadQueue);
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void StartUrlDownload(NzbInfo* nzbInfo);
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void UrlCompleted(UrlDownloader* urlDownloader);
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void ResetHangingDownloads();
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void WaitJobs();
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void DownloadQueueUpdate(Subject* caller, void* aspect);
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};
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extern UrlCoordinator* g_UrlCoordinator;
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class UrlDownloader : public WebDownloader
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{
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public:
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void SetNzbInfo(NzbInfo* nzbInfo) { m_nzbInfo = nzbInfo; }
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NzbInfo* GetNzbInfo() { return m_nzbInfo; }
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const char* GetCategory() { return m_category; }
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protected:
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virtual void ProcessHeader(const char* line);
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private:
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NzbInfo* m_nzbInfo;
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CString m_category;
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};
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#endif
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