#ifndef QSHELL_TELNET_HPP
#define QSHELL_TELNET_HPP
/*
 * ru utf 8
 *      Author: alexrayne <alexraynepe196@gmail.com>
  ------------------------------------------------------------------------
    Copyright (c) alexrayne

   All rights reserved.
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:
   - Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
   - Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
   - Neither the name of ARM nor the names of its contributors may be used
     to endorse or promote products derived from this software without
     specific prior written permission.
   *
   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   POSSIBILITY OF SUCH DAMAGE. *
*/

/*
 * ----------------------------------------------------------------------------
 * TelnetQShell - шелл для телнет IO
 * QTelnetTCPServer - TCP телнет сервер
*/

#include "qshell.hpp"
#include "telnet_hal.hpp"
#include "qio_devices.hpp"
#include <cstring>

class TelnetQShell : public QShell
{
    Q_OBJECT
public:
    typedef QShell          inherited;
    typedef QSockIODevice   port_t;
    typedef port_t::sockid_t  portid;
    typedef TelnetDevice    io_t;

    TelnetQShell();
    TelnetQShell(portid port
            , shell_t::const_cmd shell_name = shell_t::default_shell_name
            , QObject *parent = nullptr);
    TelnetQShell(portid port
            , const std::string& shell_name
            , QObject *parent = nullptr);
    virtual ~TelnetQShell();

protected:
    port_t  _port;
    io_t    telnet_io;
    std::string name;

    void close();
};



//-----------------------------------------------------------------------------
#include <QTcpServer>

class QTelnetTCPServer : public QTcpServer
{
    Q_OBJECT
public:
    typedef QTcpServer inherited;
    explicit QTelnetTCPServer(QObject *parent = nullptr);

    typedef TelnetQShell    service_t;

public slots:
    // terminate all shells provided by server
    void terminate_all() {
        emit request_terminate_all();
    }

signals:
    void request_terminate_all(void);

protected:

    /**
    * Processes incomming TCP connections
    * @param socketDescriptor The descriptor of the conection
    */
    void incomingConnection(qintptr handle) override;
    virtual
    service_t* new_service( unsigned id, qintptr handle);

    // used for telnet id generation. on new connection new sell id provides.
    static volatile unsigned id_counter;
};



#endif // QSHELL_TELNET_HPP
