Home · All Namespaces · All Classes · Main Classes · Grouped Classes · Modules · Functions

torrentserver.cpp Example File
network/torrent/torrentserver.cpp

 /****************************************************************************
 **
 ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information ([email protected])
 **
 ** This file is part of the example classes of the Qt Toolkit.
 **
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Nokia.
 **
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License versions 2.0 or 3.0 as published by the Free
 ** Software Foundation and appearing in the file LICENSE.GPL included in
 ** the packaging of this file.  Please review the following information
 ** to ensure GNU General Public Licensing requirements will be met:
 ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
 ** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
 ** exception, Nokia gives you certain additional rights. These rights
 ** are described in the Nokia Qt GPL Exception version 1.3, included in
 ** the file GPL_EXCEPTION.txt in this package.
 **
 ** Qt for Windows(R) Licensees
 ** As a special exception, Nokia, as the sole copyright holder for Qt
 ** Designer, grants users of the Qt/Eclipse Integration plug-in the
 ** right for the Qt/Eclipse Integration to link to functionality
 ** provided by Qt Designer and its related libraries.
 **
 ** If you are unsure which license is appropriate for your use, please
 ** contact the sales department at [email protected].
 **
 ****************************************************************************/

 #include "connectionmanager.h"
 #include "peerwireclient.h"
 #include "ratecontroller.h"
 #include "torrentclient.h"
 #include "torrentserver.h"

 Q_GLOBAL_STATIC(TorrentServer, torrentServer)

 TorrentServer *TorrentServer::instance()
 {
     return torrentServer();
 }

 void TorrentServer::addClient(TorrentClient *client)
 {
     clients << client;
 }

 void TorrentServer::removeClient(TorrentClient *client)
 {
     clients.removeAll(client);
 }

 void TorrentServer::incomingConnection(int socketDescriptor)
 {
     PeerWireClient *client =
         new PeerWireClient(ConnectionManager::instance()->clientId(), this);

     if (client->setSocketDescriptor(socketDescriptor)) {
         if (ConnectionManager::instance()->canAddConnection() && !clients.isEmpty()) {
             connect(client, SIGNAL(infoHashReceived(const QByteArray &)),
                     this, SLOT(processInfoHash(const QByteArray &)));
             connect(client, SIGNAL(error(QAbstractSocket::SocketError)),
                     this, SLOT(removeClient()));
             RateController::instance()->addSocket(client);
             ConnectionManager::instance()->addConnection(client);
             return;
         }
     }
     client->abort();
     delete client;
 }

 void TorrentServer::removeClient()
 {
     PeerWireClient *peer = qobject_cast<PeerWireClient *>(sender());
     RateController::instance()->removeSocket(peer);
     ConnectionManager::instance()->removeConnection(peer);
     peer->deleteLater();
 }

 void TorrentServer::processInfoHash(const QByteArray &infoHash)
 {
     PeerWireClient *peer = qobject_cast<PeerWireClient *>(sender());
     foreach (TorrentClient *client, clients) {
         if (client->state() >= TorrentClient::Searching && client->infoHash() == infoHash) {
             peer->disconnect(peer, 0, this, 0);
             client->setupIncomingConnection(peer);
             return;
         }
     }
     removeClient();
 }