1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*
* kdiskfreesp.cpp
*
* Copyright (c) 1999 Michael Kropfberger <[email protected]>
*
* 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 <tqfile.h>
#include <tqtextstream.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(TQObject *parent, const char *name)
: TQObject(parent,name)
{
dfProc = new KProcess(); TQ_CHECK_PTR(dfProc);
dfProc->setEnvironment("LANGUAGE", "C");
connect( dfProc, TQT_SIGNAL(receivedStdout(KProcess *, char *, int) ),
this, TQT_SLOT (receivedDFStdErrOut(KProcess *, char *, int)) );
connect(dfProc,TQT_SIGNAL(processExited(KProcess *) ),
this, TQT_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)
{
TQCString tmp(data,len+1); // adds a zero-byte
dfStringErrOut.append(tmp);
}
/***************************************************************************
* reads the df-commands results
**/
int KDiskFreeSp::readDF( const TQString & mountPoint )
{
if (readingDFStdErrOut || dfProc->isRunning())
return -1;
m_mountPoint = mountPoint;
dfStringErrOut=""; // yet no data received
dfProc->clearArguments();
(*dfProc) << TQString::fromLocal8Bit(DF_COMMAND) << TQString::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;
TQTextStream t (dfStringErrOut, IO_ReadOnly);
TQString s=t.readLine();
if ( (s.isEmpty()) || ( s.left(10) != TQString::fromLatin1("Filesystem") ) )
kdError() << "Error running df command... got [" << s << "]" << endl;
while ( !t.eof() ) {
TQString 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;
//TQString 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%
TQString 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 TQString & path )
{
KDiskFreeSp * job = new KDiskFreeSp;
TQString mountPoint = KIO::findPathMountPoint( path );
job->readDF( mountPoint );
return job;
}
|
