Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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;
+}