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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the examples of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include "connectionmanager.h" |
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43 |
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44 #include <QByteArray> |
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45 #include <QDateTime> |
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46 |
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47 static const int MaxConnections = 250; |
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48 |
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49 Q_GLOBAL_STATIC(ConnectionManager, connectionManager) |
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50 |
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51 ConnectionManager *ConnectionManager::instance() |
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52 { |
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53 return connectionManager(); |
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54 } |
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55 |
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56 bool ConnectionManager::canAddConnection() const |
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57 { |
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58 return (connections.size() < MaxConnections); |
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59 } |
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60 |
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61 void ConnectionManager::addConnection(PeerWireClient *client) |
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62 { |
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63 connections << client; |
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64 } |
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65 |
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66 void ConnectionManager::removeConnection(PeerWireClient *client) |
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67 { |
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68 connections.remove(client); |
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69 } |
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70 |
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71 int ConnectionManager::maxConnections() const |
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72 { |
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73 return MaxConnections; |
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74 } |
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75 |
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76 QByteArray ConnectionManager::clientId() const |
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77 { |
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78 if (id.isEmpty()) { |
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79 // Generate peer id |
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80 int startupTime = int(QDateTime::currentDateTime().toTime_t()); |
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81 |
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82 QString s; |
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83 s.sprintf("-QT%04x-", (QT_VERSION % 0xffff00) >> 8); |
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84 id += s.toLatin1(); |
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85 id += QByteArray::number(startupTime, 10); |
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86 id += QByteArray(20 - id.size(), '-'); |
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87 } |
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88 return id; |
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89 } |