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Diffstat (limited to 'kio/kfile/kdiskfreesp.cpp')
| -rw-r--r-- | kio/kfile/kdiskfreesp.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/kio/kfile/kdiskfreesp.cpp b/kio/kfile/kdiskfreesp.cpp new file mode 100644 index 000000000..f748b2a66 --- /dev/null +++ b/kio/kfile/kdiskfreesp.cpp @@ -0,0 +1,169 @@ +/* + * kdiskfreesp.cpp + * + * Copyright (c) 1999 Michael Kropfberger <michael.kropfberger@gmx.net> + * + * Requires the Qt widget libraries, available at no cost at + * http://www.troll.no/ + * + * + * 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 "kdiskfreesp.h" +#include <qfile.h> +#include <qtextstream.h> + +#include <kdebug.h> +#include <kprocess.h> +#include <kio/global.h> +#include <config-kfile.h> + +#include "kdiskfreesp.moc" + +#define DF_COMMAND "df" +#define DF_ARGS "-k" +#define NO_FS_TYPE true + +#define BLANK ' ' +#define FULL_PERCENT 95.0 + +/*************************************************************************** + * constructor +**/ +KDiskFreeSp::KDiskFreeSp(QObject *parent, const char *name) + : QObject(parent,name) +{ + dfProc = new KProcess(); Q_CHECK_PTR(dfProc); + dfProc->setEnvironment("LANGUAGE", "C"); + connect( dfProc, SIGNAL(receivedStdout(KProcess *, char *, int) ), + this, SLOT (receivedDFStdErrOut(KProcess *, char *, int)) ); + connect(dfProc,SIGNAL(processExited(KProcess *) ), + this, SLOT(dfDone() ) ); + + readingDFStdErrOut=false; +} + + +/*************************************************************************** + * destructor +**/ +KDiskFreeSp::~KDiskFreeSp() +{ + delete dfProc; +} + +/*************************************************************************** + * is called, when the df-command writes on StdOut +**/ +void KDiskFreeSp::receivedDFStdErrOut(KProcess *, char *data, int len) +{ + QCString tmp(data,len+1); // adds a zero-byte + dfStringErrOut.append(tmp); +} + +/*************************************************************************** + * reads the df-commands results +**/ +int KDiskFreeSp::readDF( const QString & mountPoint ) +{ + if (readingDFStdErrOut || dfProc->isRunning()) + return -1; + m_mountPoint = mountPoint; + dfStringErrOut=""; // yet no data received + dfProc->clearArguments(); + (*dfProc) << QString::fromLocal8Bit(DF_COMMAND) << QString::fromLocal8Bit(DF_ARGS); + if (!dfProc->start( KProcess::NotifyOnExit, KProcess::AllOutput )) + kdError() << "could not execute ["<< DF_COMMAND << "]" << endl; + return 1; +} + + +/*************************************************************************** + * is called, when the df-command has finished +**/ +void KDiskFreeSp::dfDone() +{ + readingDFStdErrOut=true; + + QTextStream t (dfStringErrOut, IO_ReadOnly); + QString s=t.readLine(); + if ( (s.isEmpty()) || ( s.left(10) != QString::fromLatin1("Filesystem") ) ) + kdError() << "Error running df command... got [" << s << "]" << endl; + while ( !t.eof() ) { + QString u,v; + s=t.readLine(); + s=s.simplifyWhiteSpace(); + if ( !s.isEmpty() ) { + //kdDebug(kfile_area) << "GOT: [" << s << "]" << endl; + + if (s.find(BLANK)<0) // devicename was too long, rest in next line + if ( !t.eof() ) { // just appends the next line + v=t.readLine(); + s=s.append(v); + s=s.simplifyWhiteSpace(); + //kdDebug(kfile_area) << "SPECIAL GOT: [" << s << "]" << endl; + }//if silly linefeed + + //kdDebug(kfile_area) << "[" << s << "]" << endl; + + //QString deviceName = s.left(s.find(BLANK)); + s=s.remove(0,s.find(BLANK)+1 ); + //kdDebug(kfile_area) << " DeviceName: [" << deviceName << "]" << endl; + + if (!NO_FS_TYPE) + s=s.remove(0,s.find(BLANK)+1 ); // eat fs type + + u=s.left(s.find(BLANK)); + unsigned long kBSize = u.toULong(); + s=s.remove(0,s.find(BLANK)+1 ); + //kdDebug(kfile_area) << " Size: [" << kBSize << "]" << endl; + + u=s.left(s.find(BLANK)); + unsigned long kBUsed = u.toULong(); + s=s.remove(0,s.find(BLANK)+1 ); + //kdDebug(kfile_area) << " Used: [" << kBUsed << "]" << endl; + + u=s.left(s.find(BLANK)); + unsigned long kBAvail = u.toULong(); + s=s.remove(0,s.find(BLANK)+1 ); + //kdDebug(kfile_area) << " Avail: [" << kBAvail << "]" << endl; + + + s=s.remove(0,s.find(BLANK)+1 ); // delete the capacity 94% + QString mountPoint = s.stripWhiteSpace(); + //kdDebug(kfile_area) << " MountPoint: [" << mountPoint << "]" << endl; + + if ( mountPoint == m_mountPoint ) + { + //kdDebug(kfile_area) << "Found mount point. Emitting" << endl; + emit foundMountPoint( mountPoint, kBSize, kBUsed, kBAvail ); + emit foundMountPoint( kBSize, kBUsed, kBAvail, mountPoint ); // sic! + } + }//if not header + }//while further lines available + + readingDFStdErrOut=false; + emit done(); + delete this; +} + +KDiskFreeSp * KDiskFreeSp::findUsageInfo( const QString & path ) +{ + KDiskFreeSp * job = new KDiskFreeSp; + QString mountPoint = KIO::findPathMountPoint( path ); + job->readDF( mountPoint ); + return job; +} |