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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef NETSOCKETMONITOR_H
#define NETSOCKETMONITOR_H
#include <qmutex.h>
#include <qptrlist.h>
#include <util/constants.h>
namespace net
{
using bt::Uint32;
class BufferedSocket;
class UploadThread;
class DownloadThread;
/**
* @author Joris Guisson <joris.guisson@gmail.com>
*
* Monitors all sockets for upload and download traffic.
* It uses two threads to do this.
*/
class SocketMonitor
{
static SocketMonitor self;
QMutex mutex;
UploadThread* ut;
DownloadThread* dt;
QPtrList<BufferedSocket> smap;
Uint32 next_group_id;
SocketMonitor();
public:
virtual ~SocketMonitor();
/// Add a new socket, will start the threads if necessary
void add(BufferedSocket* sock);
/// Remove a socket, will stop threads if no more sockets are left
void remove(BufferedSocket* sock);
enum GroupType
{
UPLOAD_GROUP,
DOWNLOAD_GROUP
};
/**
* Creata a new upload or download group
* @param type Wether it is an upload or download group
* @param limit Limit of group in bytes/s
* @return The group ID
*/
Uint32 newGroup(GroupType type,Uint32 limit);
/**
* Change the group limit
* @param type The group type
* @param gid The group id
* @param limit The limit
*/
void setGroupLimit(GroupType type,Uint32 gid,Uint32 limit);
/**
* Remove a group
* @param type The group type
* @param gid The group id
*/
void removeGroup(GroupType type,Uint32 gid);
typedef QPtrList<BufferedSocket>::iterator Itr;
/// Get the begin of the list of sockets
Itr begin() {return smap.begin();}
/// Get the end of the list of sockets
Itr end() {return smap.end();}
/// lock the monitor
void lock();
/// unlock the monitor
void unlock();
/// Tell upload thread a packet is ready
void signalPacketReady();
static void setDownloadCap(Uint32 bytes_per_sec);
static void setUploadCap(Uint32 bytes_per_sec);
static void setSleepTime(Uint32 sleep_time);
static SocketMonitor & instance() {return self;}
};
}
#endif
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