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disksensor.cpp
1/***************************************************************************
2 * Copyright (C) 2003 by Hans Karlsson *
3 * karlsson.h@home.se *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 ***************************************************************************/
10#include "disksensor.h"
11
12#include <tqfile.h>
13#include <tqtextstream.h>
14#include <tqstring.h>
15#include <tqregexp.h>
16#include <tdeprocess.h>
17#include <tdeprocio.h>
18
19DiskSensor::DiskSensor( int msec ) : Sensor( msec )
20{
21 connect(&ksp, TQ_SIGNAL(receivedStdout(TDEProcess *, char *, int )),
22 this,TQ_SLOT(receivedStdout(TDEProcess *, char *, int )));
23 connect(&ksp, TQ_SIGNAL(processExited(TDEProcess *)),
24 this,TQ_SLOT(processExited( TDEProcess * )));
25
26 // update values on startup
27 ksp.clearArguments();
28 ksp << "df";
29 ksp.start( TDEProcIO::Block,TDEProcIO::Stdout);
30 init = 1;
31}
32DiskSensor::~DiskSensor()
33{}
34
35long DiskSensor::getFreeSpace(TQString mntPt) const
36{
37 TQRegExp rx( "^\\S*\\s*\\d+\\s+\\d+\\s+(\\d+)");
38 rx.search(mntMap[mntPt]);
39 return rx.cap(1).toLong();
40}
41
42long DiskSensor::getUsedSpace(TQString mntPt) const
43{
44 TQRegExp rx( "^\\S*\\s*\\d+\\s+(\\d+)\\s+\\d+");
45 rx.search(mntMap[mntPt]);
46 return rx.cap(1).toLong();
47}
48
49long DiskSensor::getTotalSpace(TQString mntPt) const
50{
51
52 TQRegExp rx( "^\\S*\\s*(\\d+)\\s+\\d+\\s+\\d+");
53 rx.search(mntMap[mntPt]);
54
55 return rx.cap(1).toLong();
56
57}
58
59int DiskSensor::getPercentUsed(TQString mntPt) const
60{
61 TQRegExp rx( "\\s+(\\d+)%\\s+");
62 rx.search(mntMap[mntPt]);
63 return rx.cap(1).toInt();
64}
65
66int DiskSensor::getPercentFree(TQString mntPt) const
67{
68 return ( 100 - getPercentUsed( mntPt ) );
69}
70
71void DiskSensor::receivedStdout(TDEProcess *, char *buffer, int len )
72{
73
74 buffer[len] = 0;
75 sensorResult += TQString( TQCString(buffer) );
76
77}
78
79void DiskSensor::processExited(TDEProcess *)
80{
81 TQStringList stringList = TQStringList::split('\n',sensorResult);
82 sensorResult = "";
83 TQStringList::Iterator it = stringList.begin();
84 //TQRegExp rx( "^(/dev/).*(/\\S*)$");
85 TQRegExp rx( ".*\\s+(/\\S*)$");
86
87 while( it != stringList.end())
88 {
89 rx.search( *it );
90 if ( !rx.cap(0).isEmpty())
91 {
92 mntMap[rx.cap(1)] = *it;
93 }
94 it++;
95 }
96 stringList.clear();
97
98 TQString format;
99 TQString mntPt;
100 SensorParams *sp;
101 Meter *meter;
102
103 TQObjectListIt lit( *objList );
104 while (lit != 0)
105 {
106 sp = (SensorParams*)(*lit);
107 meter = sp->getMeter();
108 format = sp->getParam("FORMAT");
109 mntPt = sp->getParam("MOUNTPOINT");
110 if (mntPt.length() == 0)
111 mntPt="/";
112
113 if (format.length() == 0 )
114 {
115 format = "%u";
116 }
117 format.replace( TQRegExp("%fp", false),TQString::number(getPercentFree(mntPt)));
118 format.replace( TQRegExp("%fg",false),
119 TQString::number(getFreeSpace(mntPt)/(1024*1024)));
120 format.replace( TQRegExp("%fkb",false),
121 TQString::number(getFreeSpace(mntPt)*8) );
122 format.replace( TQRegExp("%fk",false),
123 TQString::number(getFreeSpace(mntPt)) );
124 format.replace( TQRegExp("%f", false),TQString::number(getFreeSpace(mntPt)/1024));
125
126 format.replace( TQRegExp("%up", false),TQString::number(getPercentUsed(mntPt)));
127 format.replace( TQRegExp("%ug",false),
128 TQString::number(getUsedSpace(mntPt)/(1024*1024)));
129 format.replace( TQRegExp("%ukb",false),
130 TQString::number(getUsedSpace(mntPt)*8) );
131 format.replace( TQRegExp("%uk",false),
132 TQString::number(getUsedSpace(mntPt)) );
133 format.replace( TQRegExp("%u", false),TQString::number(getUsedSpace(mntPt)/1024));
134
135 format.replace( TQRegExp("%tg",false),
136 TQString::number(getTotalSpace(mntPt)/(1024*1024)));
137 format.replace( TQRegExp("%tkb",false),
138 TQString::number(getTotalSpace(mntPt)*8));
139 format.replace( TQRegExp("%tk",false),
140 TQString::number(getTotalSpace(mntPt)));
141 format.replace( TQRegExp("%t", false),TQString::number(getTotalSpace(mntPt)/1024));
142 meter->setValue(format);
143 ++lit;
144 }
145 if ( init == 1 )
146 {
147 emit initComplete();
148 init = 0;
149 }
150}
151
152void DiskSensor::update()
153{
154 ksp.clearArguments();
155 ksp << "df";
156 ksp.start( TDEProcIO::NotifyOnExit,TDEProcIO::Stdout);
157}
158
159void DiskSensor::setMaxValue( SensorParams *sp )
160{
161 Meter *meter;
162 meter = sp->getMeter();
163 const TQString mntPt = sp->getParam( "MOUNTPOINT" );
164
165 TQString f;
166 f = sp->getParam("FORMAT");
167 if( f == "%fp" || f == "%up" )
168 meter->setMax( 100 );
169 else
170 meter->setMax( getTotalSpace( mntPt ) / 1024 );
171}
172
173
174
175#include "disksensor.moc"
SensorParams
Hans Karlsson.
Definition: sensorparams.h:32

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