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| ** This file is part of the examples of the Qt Toolkit. |
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| |
| #include <QtNetwork> |
| |
| #include "client.h" |
| #include "connection.h" |
| #include "peermanager.h" |
| |
| Client::Client() |
| { |
| peerManager = new PeerManager(this); |
| peerManager->setServerPort(server.serverPort()); |
| peerManager->startBroadcasting(); |
| |
| connect(peerManager, &PeerManager::newConnection, |
| this, &Client::newConnection); |
| connect(&server, &Server::newConnection, |
| this, &Client::newConnection); |
| } |
| |
| void Client::sendMessage(const QString &message) |
| { |
| if (message.isEmpty()) |
| return; |
| |
| for (Connection *connection : qAsConst(peers)) |
| connection->sendMessage(message); |
| } |
| |
| QString Client::nickName() const |
| { |
| return peerManager->userName() + '@' + QHostInfo::localHostName() |
| + ':' + QString::number(server.serverPort()); |
| } |
| |
| bool Client::hasConnection(const QHostAddress &senderIp, int senderPort) const |
| { |
| if (senderPort == -1) |
| return peers.contains(senderIp); |
| |
| if (!peers.contains(senderIp)) |
| return false; |
| |
| const QList<Connection *> connections = peers.values(senderIp); |
| for (const Connection *connection : connections) { |
| if (connection->peerPort() == senderPort) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| void Client::newConnection(Connection *connection) |
| { |
| connection->setGreetingMessage(peerManager->userName()); |
| |
| connect(connection, &Connection::errorOccurred, this, &Client::connectionError); |
| connect(connection, &Connection::disconnected, this, &Client::disconnected); |
| connect(connection, &Connection::readyForUse, this, &Client::readyForUse); |
| } |
| |
| void Client::readyForUse() |
| { |
| Connection *connection = qobject_cast<Connection *>(sender()); |
| if (!connection || hasConnection(connection->peerAddress(), |
| connection->peerPort())) |
| return; |
| |
| connect(connection, &Connection::newMessage, |
| this, &Client::newMessage); |
| |
| peers.insert(connection->peerAddress(), connection); |
| QString nick = connection->name(); |
| if (!nick.isEmpty()) |
| emit newParticipant(nick); |
| } |
| |
| void Client::disconnected() |
| { |
| if (Connection *connection = qobject_cast<Connection *>(sender())) |
| removeConnection(connection); |
| } |
| |
| void Client::connectionError(QAbstractSocket::SocketError /* socketError */) |
| { |
| if (Connection *connection = qobject_cast<Connection *>(sender())) |
| removeConnection(connection); |
| } |
| |
| void Client::removeConnection(Connection *connection) |
| { |
| if (peers.contains(connection->peerAddress())) { |
| peers.remove(connection->peerAddress()); |
| QString nick = connection->name(); |
| if (!nick.isEmpty()) |
| emit participantLeft(nick); |
| } |
| connection->deleteLater(); |
| } |