/kde/autobuild/kdebase/ksysguard/gui/ksgrd/SensorAgent.h

/*
    KSysGuard, the KDE System Guard
   
    Copyright (c) 1999, 2000 Chris Schlaeger <cs@kde.org>
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of version 2 of the GNU General Public
    License as published by the Free Software Foundation.

    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.

*/

#ifndef KSG_SENSORAGENT_H
#define KSG_SENSORAGENT_H

#include <tqobject.h>
#include <tqptrlist.h>

class KProcess;
class KShellProcess;

class TQString;

namespace KSGRD {

class SensorClient;
class SensorManager;
class SensorRequest;

class KDE_EXPORT SensorAgent : public QObject
{
  Q_OBJECT

  public:
    SensorAgent( SensorManager *sm );
    virtual ~SensorAgent();

    virtual bool start( const TQString &host, const TQString &shell,
                        const TQString &command = "", int port = -1 ) = 0;

    bool sendRequest( const TQString &req, SensorClient *client, int id = 0 );

    virtual void hostInfo( TQString &sh, TQString &cmd, int &port ) const = 0;

    void disconnectClient( SensorClient *client );

    const TQString &hostName() const;
        
  signals:
    void reconfigure( const SensorAgent* );

  protected:
    void processAnswer( const TQString &buffer );
    void executeCommand();

    SensorManager *sensorManager();

    void setDaemonOnLine( bool value );
    bool daemonOnLine() const;

    void setTransmitting( bool value );
    bool transmitting() const;

    void setHostName( const TQString &hostName );

  private:
    virtual bool writeMsg( const char *msg, int len ) = 0;
    virtual bool txReady() = 0;

    int mState;
    TQPtrList<SensorRequest> mInputFIFO;
    TQPtrList<SensorRequest> mProcessingFIFO;
    TQString mAnswerBuffer;
    TQString mErrorBuffer;

    SensorManager *mSensorManager;

    bool mDaemonOnLine;
    bool mTransmitting;
    TQString mHostName;
};

class SensorRequest
{
  public:
    SensorRequest( const TQString &request, SensorClient *client, int id );
    ~SensorRequest();

    void setRequest( const TQString& );
    TQString request() const;

    void setClient( SensorClient* );
    SensorClient *client();

    void setId( int );
    int id();

  private:
    TQString mRequest;
    SensorClient *mClient;
    int mId;
};

}
        
#endif

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