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

 /****************************************************************************
 **
 ** Copyright (C) 2004-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 **
 ** This file is part of the documentation of the Qt Toolkit.
 **
 ** Licensees holding a valid Qt License Agreement may use this file in
 ** accordance with the rights, responsibilities and obligations
 ** contained therein.  Please consult your licensing agreement or
 ** contact [email protected] if any conditions of this licensing
 ** agreement are not clear to you.
 **
 ** Further information about Qt licensing is available at:
 ** http://trolltech.com/products/appdev/licensing.
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 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 ****************************************************************************/

 #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();
 }


Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies) Trademarks
Qt 4.4.3