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/* This file is part of the KDE project
Copyright (C) 2000 Alexander Neundorf <neundorf@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kshellcmdexecutor.h"
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#include <stdlib.h>
#include <tqsocketnotifier.h>
#include <kinputdialog.h>
#include <kglobalsettings.h>
#include <kdesu/process.h>
#include <klocale.h>
KShellCommandExecutor::KShellCommandExecutor(const TQString& command, TQWidget* parent)
:TQTextView(parent)
,m_shellProcess(0)
,m_command(command)
,m_readNotifier(0)
,m_writeNotifier(0)
{
setTextFormat(PlainText);
setFont( KGlobalSettings::fixedFont() );
}
KShellCommandExecutor::~KShellCommandExecutor()
{
if (m_shellProcess!=0)
{
::kill(m_shellProcess->pid()+1, SIGTERM);
delete m_shellProcess;
};
}
int KShellCommandExecutor::exec()
{
//kdDebug()<<"---------- KShellCommandExecutor::exec()"<<endl;
setText("");
if (m_shellProcess!=0)
{
::kill(m_shellProcess->pid(),SIGTERM);
delete m_shellProcess;
};
if (m_readNotifier!=0)
delete m_readNotifier;
if (m_writeNotifier!=0)
delete m_writeNotifier;
m_shellProcess=new PtyProcess();
m_shellProcess->setTerminal(true);
QCStringList args;
args+="-c";
args+=m_command.local8Bit();
//kdDebug()<<"------- executing: "<<m_command.local8Bit()<<endl;
TQCString shell( getenv("SHELL") );
if (shell.isEmpty())
shell = "sh";
int ret = m_shellProcess->exec(shell, args);
if (ret < 0)
{
//kdDebug()<<"could not execute"<<endl;
return 0;
}
m_readNotifier=new TQSocketNotifier(m_shellProcess->fd(),TQSocketNotifier::Read, this);
m_writeNotifier=new TQSocketNotifier(m_shellProcess->fd(),TQSocketNotifier::Write, this);
m_writeNotifier->setEnabled(false);
connect (m_readNotifier, TQT_SIGNAL(activated(int)), this,TQT_SLOT(readDataFromShell()));
connect (m_writeNotifier, TQT_SIGNAL(activated(int)), this,TQT_SLOT(writeDataToShell()));
return 1;
}
void KShellCommandExecutor::readDataFromShell()
{
//kdDebug()<<"--------- reading ------------"<<endl;
char buffer[16*1024];
int bytesRead=::read(m_shellProcess->fd(), buffer, 16*1024-1);
//0-terminate the buffer
//process exited
if (bytesRead<=0)
{
slotFinished();
}
else if (bytesRead>0)
{
//kdDebug()<<"***********************\n"<<buffer<<"###################\n"<<endl;
buffer[bytesRead]='\0';
this->append(TQString::fromLocal8Bit(buffer));
setTextFormat(PlainText);
};
}
void KShellCommandExecutor::writeDataToShell()
{
//kdDebug()<<"--------- writing ------------"<<endl;
bool ok;
TQString str = KInputDialog::getText( TQString::null,
i18n( "Input Required:" ), TQString::null, &ok, this );
if ( ok )
{
TQCString input=str.local8Bit();
::write(m_shellProcess->fd(),input,input.length());
::write(m_shellProcess->fd(),"\n",1);
}
else
slotFinished();
if (m_writeNotifier)
{
m_writeNotifier->setEnabled(false);
}
}
void KShellCommandExecutor::slotFinished()
{
setTextFormat(PlainText);
if (m_shellProcess!=0)
{
delete m_readNotifier;
m_readNotifier = 0;
delete m_writeNotifier;
m_writeNotifier = 0;
//kdDebug()<<"slotFinished: pid: "<<m_shellProcess->pid()<<endl;
::kill(m_shellProcess->pid()+1, SIGTERM);
::kill(m_shellProcess->pid(), SIGTERM);
};
delete m_shellProcess;
m_shellProcess=0;
emit finished();
}
#include "kshellcmdexecutor.moc"
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