-rw-r--r-- | example/ntp.cpp | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/example/ntp.cpp b/example/ntp.cpp deleted file mode 100644 index 5357cae..0000000 --- a/example/ntp.cpp +++ b/dev/null | |||
@@ -1,130 +0,0 @@ | |||
1 | #include "ntp.h" | ||
2 | #include <qpushbutton.h> | ||
3 | #include <qregexp.h> | ||
4 | #include <qlabel.h> | ||
5 | #include <qlineedit.h> | ||
6 | #include <qmultilineedit.h> | ||
7 | #include <opie/oprocess.h> | ||
8 | #include <qpe/config.h> | ||
9 | #include <qpe/global.h> | ||
10 | #include <qpe/timeconversion.h> | ||
11 | #include <qpe/tzselect.h> | ||
12 | #include <qpe/timestring.h> | ||
13 | #include <qpe/qpedialog.h> | ||
14 | #include <sys/time.h> | ||
15 | #include <time.h> | ||
16 | #include <stdlib.h> | ||
17 | |||
18 | |||
19 | Ntp::Ntp( QWidget* parent, const char* name, WFlags fl ) | ||
20 | : NtpBase( parent, name, fl ) | ||
21 | { | ||
22 | Config cfg("ntp",Config::User); | ||
23 | cfg.setGroup("settings"); | ||
24 | _maxOffset = cfg.readNumEntry("maxOffset",5); | ||
25 | _minLookupDiff = cfg.readNumEntry("minLookupDiff",10); | ||
26 | LineEditNtpServer->setText( cfg.readEntry("ntpServer") ); | ||
27 | ntpProcess = new OProcess( ); | ||
28 | connect ( ntpProcess, SIGNAL(receivedStdout(OProcess*,char*,int)), | ||
29 | this, SLOT(getNtpOutput(OProcess*,char*,int))); | ||
30 | connect ( ntpProcess, SIGNAL(processExited(OProcess*)), | ||
31 | this, SLOT(ntpFinished(OProcess*))); | ||
32 | connect(runNtp, SIGNAL(clicked()), this, SLOT(slotRunNtp())); | ||
33 | _nextCorrection = new QTimer( this ); | ||
34 | connect( _nextCorrection, SIGNAL(timeout()), SLOT(correctClock()) ); | ||
35 | slotRunNtp(); | ||
36 | } | ||
37 | |||
38 | Ntp::~Ntp() | ||
39 | { | ||
40 | Config cfg("ntp",Config::User); | ||
41 | cfg.setGroup("settings"); | ||
42 | cfg.writeEntry("ntpServer", LineEditNtpServer->text()); | ||
43 | } | ||
44 | |||
45 | |||
46 | void Ntp::slotRunNtp() | ||
47 | { | ||
48 | TextLabelStartTime->setText(QDateTime::currentDateTime().toString()); | ||
49 | ntpProcess->clearArguments(); | ||
50 | *ntpProcess << "ntpdate" << LineEditNtpServer->text(); | ||
51 | bool ret = ntpProcess->start(OProcess::NotifyOnExit,OProcess::AllOutput); | ||
52 | if ( !ret ) { | ||
53 | qDebug("Error while executing ntp"); | ||
54 | outPut->append("\nError while executing\n\n"); | ||
55 | } | ||
56 | } | ||
57 | |||
58 | void Ntp::getNtpOutput(OProcess *proc, char *buffer, int buflen) | ||
59 | { | ||
60 | QString lineStr, lineStrOld; | ||
61 | lineStr = buffer; | ||
62 | lineStr=lineStr.left(buflen); | ||
63 | if (lineStr!=lineStrOld) | ||
64 | { | ||
65 | outPut->append(lineStr); | ||
66 | _ntpOutput += lineStr; | ||
67 | } | ||
68 | lineStrOld = lineStr; | ||
69 | } | ||
70 | |||
71 | void Ntp::ntpFinished(OProcess*) | ||
72 | { | ||
73 | Config cfg("ntp",Config::User); | ||
74 | cfg.setGroup("lookups"); | ||
75 | int lastLookup = cfg.readNumEntry("time",0); | ||
76 | int lookupCount = cfg.readNumEntry("count",-1); | ||
77 | int time = TimeConversion::toUTC( QDateTime::currentDateTime() ); | ||
78 | cfg.writeEntry("time", time); | ||
79 | |||
80 | float timeShift = getTimeShift(); | ||
81 | int secsSinceLast = time - lastLookup; | ||
82 | TextLabelNewTime->setText(QDateTime::currentDateTime().toString()); | ||
83 | if ( lastLookup > 0 && secsSinceLast > 60*_minLookupDiff) | ||
84 | { | ||
85 | lookupCount++; | ||
86 | cfg.writeEntry("count",lookupCount); | ||
87 | cfg.setGroup("lookup_"+QString::number(lookupCount)); | ||
88 | _shiftPerSec = timeShift / secsSinceLast; | ||
89 | float nextCorr = _maxOffset / _shiftPerSec; | ||
90 | qDebug("secs since last lookup %i", secsSinceLast);qDebug("timeshift since last lookup %f", timeShift);qDebug("timeshift since per sec %f", _shiftPerSec);qDebug("in %f secs the time will be shifted by %i", nextCorr,_maxOffset); | ||
91 | cfg.writeEntry("secsSinceLast",secsSinceLast); | ||
92 | cfg.writeEntry("timeShift",QString::number(timeShift)); | ||
93 | } | ||
94 | } | ||
95 | |||
96 | void Ntp::correctClock() | ||
97 | { | ||
98 | qDebug("current time: %s",QDateTime::currentDateTime().toString().latin1()); | ||
99 | Config cfg("ntp",Config::User); | ||
100 | cfg.setGroup("correction"); | ||
101 | int lastTime = cfg.readNumEntry("time",0); | ||
102 | int now = TimeConversion::toUTC( QDateTime::currentDateTime() ); | ||
103 | int corr = int((now - lastTime) * _shiftPerSec); | ||
104 | outPut->append( "time will be shifted by "+QString::number(corr)+ "secs"); | ||
105 | struct timeval myTv; | ||
106 | myTv.tv_sec = TimeConversion::toUTC( QDateTime::currentDateTime().addSecs(corr) ); | ||
107 | myTv.tv_usec = 0; | ||
108 | |||
109 | if ( myTv.tv_sec != -1 ) | ||
110 | ::settimeofday( &myTv, 0 ); | ||
111 | Global::writeHWClock(); | ||
112 | cfg.writeEntry("time",now); | ||
113 | qDebug("current time: %s",QDateTime::currentDateTime().toString().latin1()); | ||
114 | } | ||
115 | |||
116 | float Ntp::getTimeShift() | ||
117 | { | ||
118 | QString _offset = "offset"; | ||
119 | QString _sec = "sec"; | ||
120 | QRegExp _reOffset = QRegExp(_offset); | ||
121 | QRegExp _reEndOffset = QRegExp(_sec); | ||
122 | int posOffset = _reOffset.match( _ntpOutput ); | ||
123 | int posEndOffset = _reEndOffset.match( _ntpOutput, posOffset ); | ||
124 | posOffset += _offset.length() + 1; | ||
125 | QString diff = _ntpOutput.mid(posOffset, posEndOffset-posOffset-1); | ||
126 | qDebug("%s", _ntpOutput.latin1()); | ||
127 | qDebug("diff = >%s<",diff.latin1()); | ||
128 | TextLabelTimeShift->setText(diff); | ||
129 | return diff.toFloat(); | ||
130 | } \ No newline at end of file | ||