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#ifndef MESSAGELISTENER_H
#define MESSAGELISTENER_H

#include <QObject>
#include <QAbstractSocket>

#define DEFAULT_PORT 3112

class QTcpServer;
class QTcpSocket;
class QString;
class QHostAddress;

class MessageListener : public QObject
{
	Q_OBJECT
	
public:
	MessageListener(QObject *parent = 0);
	~MessageListener();
	QString remoteHost() const;
	
public slots:
	bool startListener(quint16 port = DEFAULT_PORT);
	void stopListener();
	void closeConnection();
	bool writeMessage(const QString &text);
	void connectToHost(const QString &address, quint16 port = DEFAULT_PORT);
	
signals:
	void receivedMessage(const QString text);
	void connected();
	void disconnected();
	void connectionFailed();
	
private:
	QTcpServer *listener;
	QTcpSocket *connection;
	inline void setupConnections();

private slots:
	void receivedConnection();
	void receivedData();
	void handleError(QAbstractSocket::SocketError error);
};

#endif