kmthreadjob.cpp
/*
* 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 "kmthreadjob.h"
#include "kmjob.h"
#include "kmjobmanager.h"
#include <qfile.h>
#include <qtextstream.h>
#include <qstringlist.h>
#include <kstandarddirs.h>
#include <errno.h>
#include <sys/types.h>
#include <signal.h>
#define CHARSEP '$'
KMThreadJob::KMThreadJob(QObject *parent, const char *name)
: QObject(parent,name)
{
m_jobs.setAutoDelete(true);
}
KMThreadJob::~KMThreadJob()
{
}
QString KMThreadJob::jobFile()
{
QString f = locateLocal("data","kdeprint/printjobs");
return f;
}
bool KMThreadJob::saveJobs()
{
QFile f(jobFile());
if (f.open(IO_WriteOnly))
{
QTextStream t(&f);
QIntDictIterator<KMJob> it(m_jobs);
for (;it.current();++it)
t << it.current()->id() << CHARSEP << it.current()->name() << CHARSEP << it.current()->printer() << CHARSEP << it.current()->owner() << CHARSEP << it.current()->size() << endl;
return true;
}
return false;
}
bool KMThreadJob::loadJobs()
{
QFile f(jobFile());
if (f.exists() && f.open(IO_ReadOnly))
{
QTextStream t(&f);
QString line;
m_jobs.clear();
while (!t.eof())
{
line = t.readLine().stripWhiteSpace();
if (line.isEmpty())
continue;
QStringList ll = QStringList::split(CHARSEP,line,true);
if (ll.count() == 5)
{
KMJob *job = new KMJob();
job->setId(ll[0].toInt());
job->setName(ll[1]);
job->setPrinter(ll[2]);
job->setOwner(ll[3]);
job->setSize(ll[4].toInt());
job->setState(KMJob::Printing);
job->setType(KMJob::Threaded);
job->setUri("proc:/"+ll[0]);
if (job->id() > 0 && checkJob(job->id()))
m_jobs.insert(job->id(),job);
else
delete job;
}
}
return true;
}
return false;
}
bool KMThreadJob::checkJob(int ID)
{
return (kill((pid_t)ID,0) == 0 || errno == EPERM);
}
KMJob* KMThreadJob::findJob(int ID)
{
return m_jobs.find(ID);
}
KMJob* KMThreadJob::findJob(const QString& uri)
{
if (uri.startsWith("proc:/"))
{
int pid = uri.mid(6).toInt();
if (pid > 0)
return m_jobs.find(pid);
}
return NULL;
}
bool KMThreadJob::removeJob(int ID)
{
if (!checkJob(ID) || kill((pid_t)ID, SIGTERM) == 0)
{
m_jobs.remove(ID);
saveJobs();
return true;
}
else
return false;
}
void KMThreadJob::createJob(int ID, const QString& printer, const QString& name, const QString& owner, int size)
{
KMThreadJob mth(0);
KMJob *job = new KMJob();
job->setId(ID);
job->setPrinter(printer);
job->setName(name);
job->setOwner(owner);
job->setSize(size);
job->setType(KMJob::Threaded);
mth.createJob(job);
}
void KMThreadJob::createJob(KMJob *job)
{
if (job->id() > 0)
{
loadJobs();
if (!m_jobs.find(job->id()))
{
m_jobs.insert(job->id(),job);
saveJobs();
}
}
}
void KMThreadJob::updateManager(KMJobManager *mgr)
{
loadJobs();
QIntDictIterator<KMJob> it(m_jobs);
for (;it.current();++it)
{
KMJob *job = new KMJob(*(it.current()));
mgr->addJob(job);
}
}

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