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/*
KSysGuard, the KDE System Guard
Copyright (c) 1999 - 2001 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.
*/
#include <stdlib.h>
#include <kdebug.h>
#include <kpassdlg.h>
#include <kprocess.h>
#include "SensorClient.h"
#include "SensorManager.h"
#include "SensorShellAgent.h"
using namespace KSGRD;
SensorShellAgent::SensorShellAgent( SensorManager *sm )
: SensorAgent( sm ), mDaemon( 0 )
{
}
SensorShellAgent::~SensorShellAgent()
{
if ( mDaemon ) {
mDaemon->writeStdin( "quit\n", strlen( "quit\n" ) );
delete mDaemon;
mDaemon = 0;
}
}
bool SensorShellAgent::start( const QString &host, const QString &shell,
const QString &command, int )
{
mRetryCount = 3;
mDaemon = new KProcess;
mDaemon->setUseShell(true);
setHostName( host );
mShell = shell;
mCommand = command;
connect( mDaemon, SIGNAL( processExited( KProcess* ) ),
SLOT( daemonExited( KProcess* ) ) );
connect( mDaemon, SIGNAL( receivedStdout( KProcess*, char*, int ) ),
SLOT( msgRcvd( KProcess*, char*, int ) ) );
connect( mDaemon, SIGNAL( receivedStderr( KProcess*, char*, int ) ),
SLOT( errMsgRcvd( KProcess*, char*, int ) ) );
connect( mDaemon, SIGNAL( wroteStdin( KProcess* ) ),
SLOT( msgSent( KProcess* ) ) );
QString cmd;
if ( !command.isEmpty() )
cmd = command;
else
cmd = mShell + " " + hostName() + " ksysguardd";
*mDaemon << cmd;
if ( !mDaemon->start( KProcess::NotifyOnExit, KProcess::All ) ) {
sensorManager()->hostLost( this );
kdDebug (1215) << "Command '" << cmd << "' failed" << endl;
return false;
}
return true;
}
void SensorShellAgent::hostInfo( QString &shell, QString &command,
int &port) const
{
shell = mShell;
command = mCommand;
port = -1;
}
void SensorShellAgent::msgSent( KProcess* )
{
setTransmitting( false );
// Try to send next request if available.
executeCommand();
}
void SensorShellAgent::msgRcvd( KProcess*, char *buffer, int buflen )
{
if ( !buffer || buflen == 0 )
return;
mRetryCount = 3; //we recieved an answer, so reset our retry count back to 3
QString aux = QString::fromLocal8Bit( buffer, buflen );
processAnswer( aux );
}
void SensorShellAgent::errMsgRcvd( KProcess*, char *buffer, int buflen )
{
if ( !buffer || buflen == 0 )
return;
QString buf = QString::fromLocal8Bit( buffer, buflen );
kdDebug(1215) << "SensorShellAgent: Warning, received text over stderr!"
<< endl << buf << endl;
}
void SensorShellAgent::daemonExited( KProcess *process )
{
kdDebug() << "daemonExited" << endl;
if ( mRetryCount-- <= 0 || !mDaemon->start( KProcess::NotifyOnExit, KProcess::All ) ) {
kdDebug() << "daemon could not be restart" << endl;
setDaemonOnLine( false );
sensorManager()->hostLost( this );
sensorManager()->requestDisengage( this );
}
}
bool SensorShellAgent::writeMsg( const char *msg, int len )
{
return mDaemon->writeStdin( msg, len );
}
bool SensorShellAgent::txReady()
{
return !transmitting();
}
#include "SensorShellAgent.moc"
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