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/*
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_SENSORSHELLAGENT_H
#define KSG_SENSORSHELLAGENT_H
#include <qobject.h>
#include <qptrlist.h>
#include <qguardedptr.h>
#include <SensorAgent.h>
class QString;
class KProcess;
namespace KSGRD {
class SensorClient;
class SensorManager;
/**
The SensorShellAgent starts a ksysguardd process and handles the
asynchronous communication. It keeps a list of pending requests
that have not been answered yet by ksysguard. The current
implementation only allowes one pending requests. Incoming requests
are queued in an input FIFO.
*/
class SensorShellAgent : public SensorAgent
{
Q_OBJECT
public:
SensorShellAgent( SensorManager *sm );
~SensorShellAgent();
bool start( const QString &host, const QString &shell,
const QString &command = "", int port = -1 );
void hostInfo( QString &shell, QString &command, int &port) const;
private slots:
void msgSent( KProcess* );
void msgRcvd( KProcess*, char *buffer, int buflen );
void errMsgRcvd( KProcess*, char *buffer, int buflen );
void daemonExited( KProcess* );
private:
bool writeMsg( const char *msg, int len );
bool txReady();
QGuardedPtr<KProcess> mDaemon;
QString mShell;
QString mCommand;
int mRetryCount;
};
}
#endif
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