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tdeutils/kdf/disks.cpp

336 lines
8.5 KiB

/*
* disks.cpp
*
* Copyright (c) 1998 Michael Kropfberger <michael.kropfberger@gmx.net>
*
* Requires the TQt widget libraries, available at no cost at
* http://www.troll.no/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <tqfileinfo.h>
#include <tqdir.h>
#include <tdeglobal.h>
#include <kdebug.h>
#include "disks.h"
#include "disks.moc"
/****************************************************/
/********************* DiskEntry ********************/
/****************************************************/
/**
* Constructor
**/
void DiskEntry::init()
{
device="";
type="";
mountedOn="";
options="";
size=0;
used=0;
avail=0;
isMounted=FALSE;
mntcmd="";
umntcmd="";
iconSetByUser=FALSE;
icoName="";
// BackgroundProcesses ****************************************
sysProc = new KShellProcess(); TQ_CHECK_PTR(sysProc);
connect( sysProc, TQT_SIGNAL(receivedStdout(TDEProcess *, char *, int) ),
this, TQT_SLOT (receivedSysStdErrOut(TDEProcess *, char *, int)) );
connect( sysProc, TQT_SIGNAL(receivedStderr(TDEProcess *, char *, int) ),
this, TQT_SLOT (receivedSysStdErrOut(TDEProcess *, char *, int)) );
readingSysStdErrOut=FALSE;
}
DiskEntry::DiskEntry(TQObject *parent, const char *name)
: TQObject (parent, name)
{
init();
}
DiskEntry::DiskEntry(const TQString & deviceName, TQObject *parent, const char *name)
: TQObject (parent, name)
{
init();
setDeviceName(deviceName);
}
DiskEntry::~DiskEntry()
{
disconnect(this);
delete sysProc;
}
int DiskEntry::toggleMount()
{
if (!mounted())
return mount();
else
return umount();
}
int DiskEntry::mount()
{
TQString cmdS=mntcmd;
if (cmdS.isEmpty()) // generate default mount cmd
if (getuid()!=0 ) // user mountable
{
cmdS="mount %d";
}
else // root mounts with all params/options
{
// FreeBSD's mount(8) is picky: -o _must_ go before
// the device and mountpoint.
cmdS=TQString::fromLatin1("mount -t%t -o%o %d %m");
}
cmdS.replace(TQString::fromLatin1("%d"),deviceName());
cmdS.replace(TQString::fromLatin1("%m"),mountPoint());
cmdS.replace(TQString::fromLatin1("%t"),fsType());
cmdS.replace(TQString::fromLatin1("%o"),mountOptions());
kdDebug() << "mount-cmd: [" << cmdS << "]" << endl;
int e=sysCall(cmdS);
if (!e) setMounted(TRUE);
kdDebug() << "mount-cmd: e=" << e << endl;
return e;
}
int DiskEntry::umount()
{
kdDebug() << "umounting" << endl;
TQString cmdS=umntcmd;
if (cmdS.isEmpty()) // generate default umount cmd
cmdS="umount %d";
cmdS.replace(TQString::fromLatin1("%d"),deviceName());
cmdS.replace(TQString::fromLatin1("%m"),mountPoint());
kdDebug() << "umount-cmd: [" << cmdS << "]" << endl;
int e=sysCall(cmdS);
if (!e) setMounted(FALSE);
kdDebug() << "umount-cmd: e=" << e << endl;
return e;
}
int DiskEntry::remount()
{
if (mntcmd.isEmpty() && umntcmd.isEmpty() // default mount/umount commands
&& (getuid()==0)) // you are root
{
TQString oldOpt=options;
if (options.isEmpty())
options="remount";
else
options+=",remount";
int e=mount();
options=oldOpt;
return e;
} else {
if (int e=umount())
return mount();
else return e;
}
}
void DiskEntry::setMountCommand(const TQString & mnt)
{
mntcmd=mnt;
}
void DiskEntry::setUmountCommand(const TQString & umnt)
{
umntcmd=umnt;
}
void DiskEntry::setIconName(const TQString & iconName)
{
iconSetByUser=TRUE;
icoName=iconName;
if (icoName.right(6) == "_mount")
icoName.truncate(icoName.length()-6);
else if (icoName.right(8) == "_unmount")
icoName.truncate(icoName.length()-8);
emit iconNameChanged();
}
TQString DiskEntry::iconName()
{
TQString iconName=icoName;
if (iconSetByUser) {
mounted() ? iconName+="_mount" : iconName+="_unmount";
return iconName;
} else
return guessIconName();
}
TQString DiskEntry::guessIconName()
{
TQString iconName;
// try to be intelligent
if (-1!=mountPoint().find("cdrom",0,FALSE)) iconName+="cdrom";
else if (-1!=deviceName().find("cdrom",0,FALSE)) iconName+="cdrom";
else if (-1!=mountPoint().find("writer",0,FALSE)) iconName+="cdwriter";
else if (-1!=deviceName().find("writer",0,FALSE)) iconName+="cdwriter";
else if (-1!=mountPoint().find("mo",0,FALSE)) iconName+="mo";
else if (-1!=deviceName().find("mo",0,FALSE)) iconName+="mo";
else if (-1!=deviceName().find("fd",0,FALSE)) {
if (-1!=deviceName().find("360",0,FALSE)) iconName+="5floppy";
if (-1!=deviceName().find("1200",0,FALSE)) iconName+="5floppy";
else iconName+="3floppy";
}
else if (-1!=mountPoint().find("floppy",0,FALSE)) iconName+="3floppy";
else if (-1!=mountPoint().find("zip",0,FALSE)) iconName+="zip";
else if (-1!=fsType().find("nfs",0,FALSE)) iconName+="nfs";
else iconName+="hdd";
mounted() ? iconName+="_mount" : iconName+="_unmount";
// if ( -1==mountOptions().find("user",0,FALSE) )
// iconName.prepend("root_"); // special root icon, normal user can<61>t mount
//debug("device %s is %s",deviceName().latin1(),iconName.latin1());
//emit iconNameChanged();
return iconName;
}
/***************************************************************************
* starts a command on the underlying system via /bin/sh
**/
int DiskEntry::sysCall(const TQString & command)
{
if (readingSysStdErrOut || sysProc->isRunning() ) return -1;
sysStringErrOut=i18n("Called: %1\n\n").arg(command); // put the called command on ErrOut
sysProc->clearArguments();
(*sysProc) << command;
if (!sysProc->start( TDEProcess::Block, TDEProcess::AllOutput ))
kdFatal() << i18n("could not execute %1").arg(command.local8Bit().data()) << endl;
if (sysProc->exitStatus()!=0) emit sysCallError(this, sysProc->exitStatus());
return (sysProc->exitStatus());
}
/***************************************************************************
* is called, when the Sys-command writes on StdOut or StdErr
**/
void DiskEntry::receivedSysStdErrOut(TDEProcess *, char *data, int len)
{
TQString tmp = TQString::fromLocal8Bit(data, len);
sysStringErrOut.append(tmp);
}
float DiskEntry::percentFull() const
{
if (size != 0) {
return 100 - ( ((float)avail / (float)size) * 100 );
} else {
return -1;
}
}
void DiskEntry::setDeviceName(const TQString & deviceName)
{
device=deviceName;
emit deviceNameChanged();
}
TQString DiskEntry::deviceRealName() const
{
TQFileInfo inf( device );
TQDir dir( inf.dirPath( true ) );
TQString relPath = inf.fileName();
if ( inf.isSymLink() ) {
TQString link = inf.readLink();
if ( link.startsWith( "/" ) )
return link;
relPath = link;
}
return dir.canonicalPath() + "/" + relPath;
}
void DiskEntry::setMountPoint(const TQString & mountPoint)
{
mountedOn=mountPoint;
emit mountPointChanged();
}
TQString DiskEntry::realMountPoint() const
{
TQDir dir( mountedOn );
return dir.canonicalPath();
}
void DiskEntry::setMountOptions(const TQString & mountOptions)
{
options=mountOptions;
emit mountOptionsChanged();
}
void DiskEntry::setFsType(const TQString & fsType)
{
type=fsType;
emit fsTypeChanged();
}
void DiskEntry::setMounted(bool nowMounted)
{
isMounted=nowMounted;
emit mountedChanged();
}
void DiskEntry::setKBSize(int kb_size)
{
size=kb_size;
emit kBSizeChanged();
}
void DiskEntry::setKBUsed(int kb_used)
{
used=kb_used;
if ( size < (used+avail) ) { //adjust kBAvail
kdWarning() << "device " << device << ": kBAvail(" << avail << ")+*kBUsed(" << used << ") exceeds kBSize(" << size << ")" << endl;
setKBAvail(size-used);
}
emit kBUsedChanged();
}
void DiskEntry::setKBAvail(int kb_avail)
{
avail=kb_avail;
if ( size < (used+avail) ) { //adjust kBUsed
kdWarning() << "device " << device << ": *kBAvail(" << avail << ")+kBUsed(" << used << ") exceeds kBSize(" << size << ")" << endl;
setKBUsed(size-avail);
}
emit kBAvailChanged();
}