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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 <QtNetwork> |
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43 |
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44 #include "client.h" |
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45 #include "connection.h" |
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46 #include "peermanager.h" |
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47 |
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48 Client::Client() |
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49 { |
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50 peerManager = new PeerManager(this); |
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51 peerManager->setServerPort(server.serverPort()); |
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52 peerManager->startBroadcasting(); |
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53 |
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54 QObject::connect(peerManager, SIGNAL(newConnection(Connection *)), |
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55 this, SLOT(newConnection(Connection *))); |
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56 QObject::connect(&server, SIGNAL(newConnection(Connection *)), |
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57 this, SLOT(newConnection(Connection *))); |
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58 } |
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59 |
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60 void Client::sendMessage(const QString &message) |
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61 { |
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62 if (message.isEmpty()) |
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63 return; |
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64 |
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65 QList<Connection *> connections = peers.values(); |
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66 foreach (Connection *connection, connections) |
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67 connection->sendMessage(message); |
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68 } |
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69 |
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70 QString Client::nickName() const |
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71 { |
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72 return QString(peerManager->userName()) + "@" + QHostInfo::localHostName() |
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73 + ":" + QString::number(server.serverPort()); |
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74 } |
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75 |
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76 bool Client::hasConnection(const QHostAddress &senderIp, int senderPort) const |
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77 { |
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78 if (senderPort == -1) |
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79 return peers.contains(senderIp); |
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80 |
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81 if (!peers.contains(senderIp)) |
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82 return false; |
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83 |
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84 QList<Connection *> connections = peers.values(senderIp); |
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85 foreach (Connection *connection, connections) { |
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86 if (connection->peerPort() == senderPort) |
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87 return true; |
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88 } |
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89 |
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90 return false; |
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91 } |
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92 |
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93 void Client::newConnection(Connection *connection) |
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94 { |
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95 connection->setGreetingMessage(peerManager->userName()); |
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96 |
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97 connect(connection, SIGNAL(error(QAbstractSocket::SocketError)), |
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98 this, SLOT(connectionError(QAbstractSocket::SocketError))); |
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99 connect(connection, SIGNAL(disconnected()), this, SLOT(disconnected())); |
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100 connect(connection, SIGNAL(readyForUse()), this, SLOT(readyForUse())); |
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101 } |
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102 |
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103 void Client::readyForUse() |
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104 { |
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105 Connection *connection = qobject_cast<Connection *>(sender()); |
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106 if (!connection || hasConnection(connection->peerAddress(), |
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107 connection->peerPort())) |
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108 return; |
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109 |
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110 connect(connection, SIGNAL(newMessage(const QString &, const QString &)), |
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111 this, SIGNAL(newMessage(const QString &, const QString &))); |
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112 |
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113 peers.insert(connection->peerAddress(), connection); |
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114 QString nick = connection->name(); |
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115 if (!nick.isEmpty()) |
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116 emit newParticipant(nick); |
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117 } |
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118 |
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119 void Client::disconnected() |
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120 { |
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121 if (Connection *connection = qobject_cast<Connection *>(sender())) |
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122 removeConnection(connection); |
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123 } |
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124 |
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125 void Client::connectionError(QAbstractSocket::SocketError /* socketError */) |
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126 { |
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127 if (Connection *connection = qobject_cast<Connection *>(sender())) |
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128 removeConnection(connection); |
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129 } |
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130 |
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131 void Client::removeConnection(Connection *connection) |
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132 { |
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133 if (peers.contains(connection->peerAddress())) { |
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134 peers.remove(connection->peerAddress()); |
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135 QString nick = connection->name(); |
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136 if (!nick.isEmpty()) |
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137 emit participantLeft(nick); |
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138 } |
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139 connection->deleteLater(); |
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140 } |