/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2006-2007 Igor Ulyanov <iulyanov@gmail.com>

 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * 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; version 2 of the License

 *

 * 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 St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#ifndef _TCPBASE_INCLUDED

#define _TCPBASE_INCLUDED

#include <QObject>

#include <QTcpServer>

#include <QTcpSocket>

#include <QByteArray>

#include <QString>

#include <QDir>

#include <QProcess>

#include <QThread>

#include <QPointer>

#include <QVector>

#include <QList>

#include <QImage>

#define MAXMSGCHARS 255

class TCPBase : public QObject

{

        Q_OBJECT

    public:

        TCPBase(bool demoMode, bool usesCustomLanguage, QObject * parent = 0);

        virtual ~TCPBase();

        virtual bool couldBeRemoved();

        virtual bool simultaneousRun();

        bool isConnected();

        bool hasStarted();

    signals:

        void isReadyNow();

    protected:

        bool m_hasStarted;

        quint16 ipc_port;

        void Start(bool couldCancelPreviousRequest);

        QByteArray readbuffer;

        QByteArray toSendBuf;

        QByteArray demo;

        void SendIPC(const QByteArray & buf);

        void RawSendIPC(const QByteArray & buf);

        virtual QStringList getArguments()=0;

        virtual void onClientRead();

        virtual void onClientDisconnect();

        virtual void SendToClientFirst();

    private:

        static QPointer<QTcpServer> IPCServer;

#ifdef HWLIBRARY

        QThread * thread;

#else

        QProcess * process;

#endif

        bool m_isDemoMode;

        bool m_connected;

        bool m_usesCustomLanguage;

        void RealStart();

        QPointer<QTcpSocket> IPCSocket;

    private slots:

        void NewConnection();

        void ClientDisconnect();

        void ClientRead();

        void StartProcessError(QProcess::ProcessError error);

        void onEngineDeath(int exitCode, QProcess::ExitStatus exitStatus);

        void tcpServerReady();

};

#ifdef HWLIBRARY

class EngineInstance : public QObject

{

    Q_OBJECT

public:

    EngineInstance(QObject *parent = 0);

    ~EngineInstance();

    void setArguments(const QStringList & arguments);

public slots:

    void start();

signals:

    void finished();

private:

    QList<QByteArray> m_arguments;

    QVector<char *> m_argv;

};

#endif

#endif // _TCPBASE_INCLUDED