torrentserver.cpp Example Filenetwork/torrent/torrentserver.cpp/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor ** the names of its contributors may be used to endorse or promote ** products derived from this software without specific prior written ** permission. ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** $QT_END_LICENSE$ ** ****************************************************************************/ #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(QByteArray)), this, SLOT(processInfoHash(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(); } |