Files
nzbget/daemon/queue/UrlCoordinator.h
2019-01-21 23:40:12 +01:00

93 lines
2.5 KiB
C++

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