You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
321 lines
8.0 KiB
321 lines
8.0 KiB
/*
|
|
* This file is part of the KDE libraries
|
|
* Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License version 2 as published by the Free Software Foundation.
|
|
*
|
|
* 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 "lpchelper.h"
|
|
#include "kpipeprocess.h"
|
|
#include "kmjob.h"
|
|
#include "lprsettings.h"
|
|
|
|
#include <kstandarddirs.h>
|
|
#include <tqtextstream.h>
|
|
#include <tqregexp.h>
|
|
#include <kdebug.h>
|
|
#include <klocale.h>
|
|
#include <kprocess.h>
|
|
#include <stdlib.h>
|
|
|
|
static TQString execute(const TQString& cmd)
|
|
{
|
|
KPipeProcess proc;
|
|
QString output;
|
|
if (proc.open(cmd))
|
|
{
|
|
QTextStream t(&proc);
|
|
while (!t.atEnd())
|
|
output.append(t.readLine()).append("\n");
|
|
proc.close();
|
|
}
|
|
return output;
|
|
}
|
|
|
|
LpcHelper::LpcHelper(TQObject *parent, const char *name)
|
|
: TQObject(parent, name)
|
|
{
|
|
// look for the "lpc" executable. Use the PATH variable and
|
|
// add some specific dirs.
|
|
QString PATH = getenv("PATH");
|
|
PATH.append(":/usr/sbin:/usr/local/sbin:/sbin:/opt/sbin:/opt/local/sbin");
|
|
m_exepath = KStandardDirs::findExe("lpc", PATH);
|
|
m_checkpcpath = KStandardDirs::findExe("checkpc", PATH);
|
|
m_lprmpath = KStandardDirs::findExe("lprm");
|
|
}
|
|
|
|
LpcHelper::~LpcHelper()
|
|
{
|
|
}
|
|
|
|
KMPrinter::PrinterState LpcHelper::state(const TQString& prname) const
|
|
{
|
|
if (m_state.tqcontains(prname))
|
|
return m_state[prname];
|
|
return KMPrinter::Unknown;
|
|
}
|
|
|
|
KMPrinter::PrinterState LpcHelper::state(KMPrinter *prt) const
|
|
{
|
|
return state(prt->printerName());
|
|
}
|
|
|
|
void LpcHelper::parsetqStatusLPR(TQTextStream &t)
|
|
{
|
|
QString printer, line;
|
|
int p(-1);
|
|
|
|
while (!t.atEnd())
|
|
{
|
|
line = t.readLine();
|
|
if (line.isEmpty())
|
|
continue;
|
|
else if (!line[0].isSpace() && (p = line.tqfind(':')) != -1)
|
|
{
|
|
printer = line.left(p);
|
|
m_state[printer] = KMPrinter::Idle;
|
|
}
|
|
else if (line.tqfind("printing is disabled") != -1)
|
|
{
|
|
if (!printer.isEmpty())
|
|
m_state[printer] = KMPrinter::PrinterState((KMPrinter::Stopped) | (m_state[printer] & ~KMPrinter::StateMask));
|
|
}
|
|
else if (line.tqfind("queuing is disabled") != -1)
|
|
{
|
|
if (!printer.isEmpty())
|
|
m_state[printer] = KMPrinter::PrinterState((KMPrinter::Rejecting) | (m_state[printer] & KMPrinter::StateMask));
|
|
}
|
|
else if (line.tqfind("entries") != -1)
|
|
{
|
|
if (!printer.isEmpty() &&
|
|
(m_state[printer] & KMPrinter::StateMask) != KMPrinter::Stopped &&
|
|
line.tqfind("no entries") == -1)
|
|
m_state[printer] = KMPrinter::PrinterState((m_state[printer] & ~KMPrinter::StateMask) | KMPrinter::Processing);
|
|
}
|
|
}
|
|
}
|
|
|
|
void LpcHelper::parsetqStatusLPRng(TQTextStream& t)
|
|
{
|
|
QStringList l;
|
|
int p(-1);
|
|
QString printer;
|
|
|
|
while (!t.atEnd())
|
|
if (t.readLine().stripWhiteSpace().startsWith("Printer"))
|
|
break;
|
|
while (!t.atEnd())
|
|
{
|
|
l = TQStringList::split(TQRegExp("\\s"), t.readLine(), false);
|
|
if (l.count() < 4)
|
|
continue;
|
|
p = l[0].tqfind('@');
|
|
if (p == 0)
|
|
printer = l[0];
|
|
else
|
|
printer = l[0].left(p);
|
|
int st(0);
|
|
if (l[1] == "disabled")
|
|
st = KMPrinter::Stopped;
|
|
else if (l[3] != "0")
|
|
st = KMPrinter::Processing;
|
|
else
|
|
st = KMPrinter::Idle;
|
|
if (l[2] == "disabled")
|
|
st |= KMPrinter::Rejecting;
|
|
m_state[printer] = KMPrinter::PrinterState(st);
|
|
}
|
|
}
|
|
|
|
void LpcHelper::updateStates()
|
|
{
|
|
KPipeProcess proc;
|
|
|
|
m_state.clear();
|
|
if (!m_exepath.isEmpty() && proc.open(m_exepath + " status all"))
|
|
{
|
|
QTextStream t(&proc);
|
|
|
|
switch (LprSettings::self()->mode())
|
|
{
|
|
default:
|
|
case LprSettings::LPR:
|
|
parsetqStatusLPR(t);
|
|
break;
|
|
case LprSettings::LPRng:
|
|
parsetqStatusLPRng(t);
|
|
break;
|
|
}
|
|
proc.close();
|
|
}
|
|
|
|
}
|
|
|
|
bool LpcHelper::enable(KMPrinter *prt, bool state, TQString& msg)
|
|
{
|
|
int st = m_state[prt->printerName()] & KMPrinter::StateMask;
|
|
if (changeState(prt->printerName(), (state ? "enable" : "disable"), msg))
|
|
{
|
|
m_state[prt->printerName()] = KMPrinter::PrinterState((state ? KMPrinter::Rejecting : 0) | st);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool LpcHelper::start(KMPrinter *prt, bool state, TQString& msg)
|
|
{
|
|
int rej = m_state[prt->printerName()] & ~KMPrinter::StateMask;
|
|
if (changeState(prt->printerName(), (state ? "start" : "stop"), msg))
|
|
{
|
|
m_state[prt->printerName()] = KMPrinter::PrinterState((state ? KMPrinter::Idle : KMPrinter::Stopped) | rej);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// status
|
|
// 0 : success
|
|
// -1 : permission denied
|
|
// -2 : unknown printer
|
|
// 1 : unknown error
|
|
int LpcHelper::parseStateChangeLPR(const TQString& result, const TQString& printer)
|
|
{
|
|
if (result.startsWith(printer + ":"))
|
|
return 0;
|
|
else if (result.startsWith("?Privileged"))
|
|
return -1;
|
|
else if (result.startsWith("unknown"))
|
|
return -2;
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
static TQString lprngAnswer(const TQString& result, const TQString& printer)
|
|
{
|
|
int p, q;
|
|
|
|
p = result.tqfind("\n" + printer);
|
|
if (p != -1)
|
|
{
|
|
q = result.tqfind(':', p)+2;
|
|
p = result.tqfind('\n', q);
|
|
QString answer = result.mid(q, p-q).stripWhiteSpace();
|
|
return answer;
|
|
}
|
|
return TQString::null;
|
|
}
|
|
|
|
int LpcHelper::parseStateChangeLPRng(const TQString& result, const TQString& printer)
|
|
{
|
|
QString answer = lprngAnswer(result, printer);
|
|
if (answer == "no")
|
|
return -1;
|
|
else if (answer == "disabled" || answer == "enabled" || answer == "started" || answer == "stopped")
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
bool LpcHelper::changeState(const TQString& printer, const TQString& op, TQString& msg)
|
|
{
|
|
if (m_exepath.isEmpty())
|
|
{
|
|
msg = i18n("The executable %1 couldn't be found in your PATH.").arg("lpc");
|
|
return false;
|
|
}
|
|
QString result = execute(m_exepath + " " + op + " " + KProcess::quote(printer));
|
|
int status;
|
|
|
|
switch (LprSettings::self()->mode())
|
|
{
|
|
default:
|
|
case LprSettings::LPR:
|
|
status = parseStateChangeLPR(result, printer);
|
|
break;
|
|
case LprSettings::LPRng:
|
|
status = parseStateChangeLPRng(result, printer);
|
|
break;
|
|
}
|
|
switch (status)
|
|
{
|
|
case 0:
|
|
break;
|
|
case -1:
|
|
msg = i18n("Permission denied.");
|
|
break;
|
|
case -2:
|
|
msg = i18n("Printer %1 does not exist.").arg(printer);
|
|
break;
|
|
default:
|
|
case 1:
|
|
msg = i18n("Unknown error: %1").arg(result.tqreplace(TQRegExp("\\n"), " "));
|
|
break;
|
|
}
|
|
return (status == 0);
|
|
}
|
|
|
|
bool LpcHelper::removeJob(KMJob *job, TQString& msg)
|
|
{
|
|
if (m_lprmpath.isEmpty())
|
|
{
|
|
msg = i18n("The executable %1 couldn't be found in your PATH.").arg("lprm");
|
|
return false;
|
|
}
|
|
QString result = execute(m_lprmpath + " -P " + KProcess::quote(job->printer()) + " " + TQString::number(job->id()));
|
|
if (result.tqfind("dequeued") != -1)
|
|
return true;
|
|
else if (result.tqfind("Permission denied") != -1 || result.tqfind("no permissions") != -1)
|
|
msg = i18n("Permission denied.");
|
|
else
|
|
msg = i18n("Execution of lprm failed: %1").arg(result);
|
|
return false;
|
|
}
|
|
|
|
// LPRng only
|
|
bool LpcHelper::changeJobState(KMJob *job, int state, TQString& msg)
|
|
{
|
|
if (m_lprmpath.isEmpty())
|
|
{
|
|
msg = i18n("The executable %1 couldn't be found in your PATH.").arg("lpc");
|
|
return false;
|
|
}
|
|
QString result = execute(m_exepath + (state == KMJob::Held ? " hold " : " release ") + KProcess::quote(job->printer()) + " " + TQString::number(job->id()));
|
|
QString answer = lprngAnswer(result, job->printer());
|
|
if (answer == "no")
|
|
{
|
|
msg = i18n("Permission denied.");
|
|
return false;
|
|
}
|
|
else
|
|
return true;
|
|
}
|
|
|
|
bool LpcHelper::restart(TQString& msg)
|
|
{
|
|
QString s;
|
|
if (m_exepath.isEmpty())
|
|
s = "lpc";
|
|
else if (m_checkpcpath.isEmpty())
|
|
s = "checkpc";
|
|
if (!s.isEmpty())
|
|
{
|
|
msg = i18n("The executable %1 couldn't be found in your PATH.").arg(s);
|
|
return false;
|
|
}
|
|
::system(TQFile::encodeName(m_exepath + " reread"));
|
|
::system(TQFile::encodeName(m_checkpcpath + " -f"));
|
|
return true;
|
|
}
|