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nzbget/daemon/nntp/ServerPool.h
2016-03-30 22:10:57 +02:00

87 lines
2.6 KiB
C++

/*
* This file is part of nzbget. See <http://nzbget.net>.
*
* Copyright (C) 2004 Sven Henkel <sidddy@users.sourceforge.net>
* Copyright (C) 2007-2016 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 SERVERPOOL_H
#define SERVERPOOL_H
#include "Log.h"
#include "Container.h"
#include "Thread.h"
#include "NewsServer.h"
#include "NntpConnection.h"
class ServerPool : public Debuggable
{
public:
typedef std::vector<NewsServer*> RawServerList;
void SetTimeout(int timeout) { m_timeout = timeout; }
void SetRetryInterval(int retryInterval) { m_retryInterval = retryInterval; }
void AddServer(std::unique_ptr<NewsServer> newsServer);
void InitConnections();
int GetMaxNormLevel() { return m_maxNormLevel; }
Servers* GetServers() { return &m_servers; } // Only for read access (no lockings)
NntpConnection* GetConnection(int level, NewsServer* wantServer, RawServerList* ignoreServers);
void FreeConnection(NntpConnection* connection, bool used);
void CloseUnusedConnections();
void Changed();
int GetGeneration() { return m_generation; }
void BlockServer(NewsServer* newsServer);
bool IsServerBlocked(NewsServer* newsServer);
protected:
virtual void LogDebugInfo();
private:
class PooledConnection : public NntpConnection
{
public:
using NntpConnection::NntpConnection;
bool GetInUse() { return m_inUse; }
void SetInUse(bool inUse) { m_inUse = inUse; }
time_t GetFreeTime() { return m_freeTime; }
void SetFreeTimeNow();
private:
bool m_inUse = false;
time_t m_freeTime = 0;
};
typedef std::vector<int> Levels;
typedef std::vector<std::unique_ptr<PooledConnection>> Connections;
Servers m_servers;
RawServerList m_sortedServers;
Connections m_connections;
Levels m_levels;
int m_maxNormLevel = 0;
Mutex m_connectionsMutex;
int m_timeout = 60;
int m_retryInterval = 0;
int m_generation = 0;
void NormalizeLevels();
NntpConnection* LockedGetConnection(int level, NewsServer* wantServer, RawServerList* ignoreServers);
};
extern ServerPool* g_ServerPool;
#endif