Files
nzbget/daemon/queue/QueueCoordinator.h
Andrey Prygunkov 25dc60e71f #351: sleep longer in queue coordinator
Up to 2 second when queue is empty or downloads are paused.
2019-01-26 18:58:09 +01:00

126 lines
4.6 KiB
C++

/*
* This file is part of nzbget. See <http://nzbget.net>.
*
* Copyright (C) 2004 Sven Henkel <sidddy@users.sourceforge.net>
* Copyright (C) 2007-2019 Andrey Prygunkov <hugbug@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QUEUECOORDINATOR_H
#define QUEUECOORDINATOR_H
#include "Log.h"
#include "Thread.h"
#include "NzbFile.h"
#include "ArticleDownloader.h"
#include "DownloadInfo.h"
#include "Observer.h"
#include "QueueEditor.h"
#include "NntpConnection.h"
#include "DirectRenamer.h"
class QueueCoordinator : public Thread, public Observer, public Debuggable
{
public:
typedef std::list<ArticleDownloader*> ActiveDownloads;
QueueCoordinator();
virtual ~QueueCoordinator();
virtual void Run();
virtual void Stop();
void Update(Subject* caller, void* aspect);
// editing queue
NzbInfo* AddNzbFileToQueue(std::unique_ptr<NzbInfo> nzbInfo, NzbInfo* urlInfo, bool addFirst);
void CheckDupeFileInfos(NzbInfo* nzbInfo);
bool HasMoreJobs() { return m_hasMoreJobs; }
void DiscardTempFiles(FileInfo* fileInfo);
bool DeleteQueueEntry(DownloadQueue* downloadQueue, FileInfo* fileInfo);
bool SetQueueEntryCategory(DownloadQueue* downloadQueue, NzbInfo* nzbInfo, const char* category);
bool SetQueueEntryName(DownloadQueue* downloadQueue, NzbInfo* nzbInfo, const char* name);
bool MergeQueueEntries(DownloadQueue* downloadQueue, NzbInfo* destNzbInfo, NzbInfo* srcNzbInfo);
bool SplitQueueEntries(DownloadQueue* downloadQueue, RawFileList* fileList, const char* name, NzbInfo** newNzbInfo);
protected:
virtual void LogDebugInfo();
private:
class CoordinatorDownloadQueue : public DownloadQueue
{
public:
CoordinatorDownloadQueue(QueueCoordinator* owner) : m_owner(owner) {}
virtual bool EditEntry(int ID, EEditAction action, const char* args);
virtual bool EditList(IdList* idList, NameList* nameList, EMatchMode matchMode,
EEditAction action, const char* args);
virtual void HistoryChanged() { m_historyChanged = true; }
virtual void Save();
virtual void SaveChanged();
private:
QueueCoordinator* m_owner;
bool m_massEdit = false;
bool m_wantSave = false;
bool m_historyChanged = false;
bool m_stateChanged = false;
friend class QueueCoordinator;
};
class CoordinatorDirectRenamer : public DirectRenamer
{
public:
CoordinatorDirectRenamer(QueueCoordinator* owner) : m_owner(owner) {}
protected:
virtual void RenameCompleted(DownloadQueue* downloadQueue, NzbInfo* nzbInfo)
{ m_owner->DirectRenameCompleted(downloadQueue, nzbInfo); }
private:
QueueCoordinator* m_owner;
};
CoordinatorDownloadQueue m_downloadQueue{this};
ActiveDownloads m_activeDownloads;
QueueEditor m_queueEditor;
CoordinatorDirectRenamer m_directRenamer{this};
bool m_hasMoreJobs = true;
int m_downloadsLimit;
int m_serverConfigGeneration = 0;
Mutex m_waitMutex;
ConditionVar m_waitCond;
bool GetNextArticle(DownloadQueue* downloadQueue, FileInfo* &fileInfo, ArticleInfo* &articleInfo);
bool GetNextFirstArticle(NzbInfo* nzbInfo, FileInfo* &fileInfo, ArticleInfo* &articleInfo);
void StartArticleDownload(FileInfo* fileInfo, ArticleInfo* articleInfo, NntpConnection* connection);
void ArticleCompleted(ArticleDownloader* articleDownloader);
void DeleteDownloader(DownloadQueue* downloadQueue, ArticleDownloader* articleDownloader, bool fileCompleted);
void DeleteFileInfo(DownloadQueue* downloadQueue, FileInfo* fileInfo, bool completed);
void DirectRenameCompleted(DownloadQueue* downloadQueue, NzbInfo* nzbInfo);
void DiscardDirectRename(DownloadQueue* downloadQueue, NzbInfo* nzbInfo);
void DiscardDownloadedArticles(NzbInfo* nzbInfo, FileInfo* fileInfo);
void CheckHealth(DownloadQueue* downloadQueue, FileInfo* fileInfo);
void ResetHangingDownloads();
void AdjustDownloadsLimit();
void Load();
void SaveQueueIfChanged();
void SaveAllPartialState();
void SavePartialState(FileInfo* fileInfo);
void LoadPartialState(FileInfo* fileInfo);
void SaveAllFileState();
void WaitJobs();
void WakeUp();
};
extern QueueCoordinator* g_QueueCoordinator;
#endif