connectionmanager.cpp Example Filenetwork/torrent/connectionmanager.cpp/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/ ** ** 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 <QByteArray> #include <QDateTime> static const int MaxConnections = 250; Q_GLOBAL_STATIC(ConnectionManager, connectionManager) ConnectionManager *ConnectionManager::instance() { return connectionManager(); } bool ConnectionManager::canAddConnection() const { return (connections.size() < MaxConnections); } void ConnectionManager::addConnection(PeerWireClient *client) { connections << client; } void ConnectionManager::removeConnection(PeerWireClient *client) { connections.remove(client); } int ConnectionManager::maxConnections() const { return MaxConnections; } QByteArray ConnectionManager::clientId() const { if (id.isEmpty()) { // Generate peer id int startupTime = int(QDateTime::currentDateTime().toTime_t()); QString s; s.sprintf("-QT%04x-", (QT_VERSION % 0xffff00) >> 8); id += s.toLatin1(); id += QByteArray::number(startupTime, 10); id += QByteArray(20 - id.size(), '-'); } return id; } |