lookuphost.h

//------------------------------------------------------------------------------
// lookuphost.h
//------------------------------------------------------------------------------
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.
//
//------------------------------------------------------------------------------
// Copyright (C) 2015 "Zalewa" <zalewapl@gmail.com>
//------------------------------------------------------------------------------
#ifndef id98fdc6b8_d51c_4a3b_a61e_91ddc4105daf
#define id98fdc6b8_d51c_4a3b_a61e_91ddc4105daf

#include "dptr.h"

#include <QObject>
#include <QString>
#include <QThread>

class QHostInfo;

class LookupHost : public QObject
{
Q_OBJECT

friend class LookupHostAborter;
friend class LookupHostWorker;

public:
        static void finalizeAndJoin();
        static void lookupHost(const QString &name, QObject *receiver, const char *receiverSlot);

private:
        DPtr<LookupHost> d;

        static LookupHost *instance();
        static LookupHost *inst;

        LookupHost();
        virtual ~LookupHost();

        void finalizeAndJoin_();
        void lookupHost_(const QString &name, QObject *receiver, const char *receiverSlot);

private slots:
        void derefWorkCounter();
};

class LookupHostWorker : public QObject
{
Q_OBJECT

public:
        LookupHostWorker(const QString &hostName);

signals:
        void hostFound(const QHostInfo &);

public slots:
        void work();

private:
        QString hostName;

private slots:
        void hostFoundReceived(const QHostInfo&);
};


class LookupHostConsumerThread : public QThread
{
Q_OBJECT

public:
        void run();
};

#endif