here it is...

6 files changed, 507 insertions, 2 deletions

diff --git a/example/main.cpp b/example/main.cpp
index b705c44..2b23751 100644
--- a/example/main.cpp
+++ b/example/main.cpp
@@ -1,11 +1,11 @@
-#include "example.h"
+#include "ntp.h"
 #include <qpe/qpeapplication.h>
 
 int main( int argc, char ** argv )
 {
     QPEApplication a( argc, argv );
 
-    Example mw;
+    Ntp mw;
     a.showMainWidget( &mw );
 
     return a.exec();
diff --git a/example/netsystemtime.pro b/example/netsystemtime.pro
new file mode 100644
index 0000000..b98e45d
--- a/dev/null
+++ b/example/netsystemtime.pro
@@ -0,0 +1,10 @@
+TEMPLATE	= app
+CONFIG		= qt warn_on debug
+#CONFIG		= qt warn_on release
+HEADERS		= ntp.h
+SOURCES		= main.cpp ntp.cpp
+INCLUDEPATH	+= $(OPIEDIR)/include
+DEPENDPATH	+= $(OPIEDIR)/include
+LIBS            += -lqpe -lopie
+INTERFACES	= ntpbase.ui
+TARGET		= ../../bin/netsystemtime
diff --git a/example/ntp.cpp b/example/ntp.cpp
new file mode 100644
index 0000000..5357cae
--- a/dev/null
+++ b/example/ntp.cpp
@@ -0,0 +1,130 @@
+#include "ntp.h"
+#include <qpushbutton.h>
+#include <qregexp.h>
+#include <qlabel.h>
+#include <qlineedit.h>
+#include <qmultilineedit.h>
+#include <opie/oprocess.h>
+#include <qpe/config.h>
+#include <qpe/global.h>
+#include <qpe/timeconversion.h>
+#include <qpe/tzselect.h>
+#include <qpe/timestring.h>
+#include <qpe/qpedialog.h>
+#include <sys/time.h>
+#include <time.h>
+#include <stdlib.h>
+
+
+Ntp::Ntp( QWidget* parent,  const char* name, WFlags fl )
+    : NtpBase( parent, name, fl )
+{
+	Config cfg("ntp",Config::User);
+  cfg.setGroup("settings");
+ 	_maxOffset = cfg.readNumEntry("maxOffset",5);
+  _minLookupDiff = cfg.readNumEntry("minLookupDiff",10);
+  LineEditNtpServer->setText( cfg.readEntry("ntpServer") );
+ 	ntpProcess = new OProcess( );
+  connect ( ntpProcess, SIGNAL(receivedStdout(OProcess*,char*,int)),
+  					this, SLOT(getNtpOutput(OProcess*,char*,int)));
+  connect ( ntpProcess, SIGNAL(processExited(OProcess*)),
+  					this, SLOT(ntpFinished(OProcess*)));
+  connect(runNtp, SIGNAL(clicked()), this, SLOT(slotRunNtp()));
+ 	_nextCorrection = new QTimer( this );
+    connect( _nextCorrection, SIGNAL(timeout()), SLOT(correctClock()) );
+  slotRunNtp();
+}
+
+Ntp::~Ntp()
+{
+	Config cfg("ntp",Config::User);
+  cfg.setGroup("settings");
+  cfg.writeEntry("ntpServer", LineEditNtpServer->text());
+}
+
+
+void Ntp::slotRunNtp()
+{
+	TextLabelStartTime->setText(QDateTime::currentDateTime().toString());
+	ntpProcess->clearArguments();
+	*ntpProcess << "ntpdate" << LineEditNtpServer->text();
+	bool ret = ntpProcess->start(OProcess::NotifyOnExit,OProcess::AllOutput);
+  if ( !ret ) {
+     qDebug("Error while executing ntp");
+     outPut->append("\nError while executing\n\n");
+  }
+}
+
+void  Ntp::getNtpOutput(OProcess *proc, char *buffer, int buflen)
+{
+  QString lineStr, lineStrOld;
+  lineStr = buffer;
+  lineStr=lineStr.left(buflen);
+  if (lineStr!=lineStrOld)
+  {
+	        outPut->append(lineStr);
+         	_ntpOutput += lineStr;
+  }
+  lineStrOld = lineStr;
+}
+
+void  Ntp::ntpFinished(OProcess*)
+{
+	Config cfg("ntp",Config::User);
+  cfg.setGroup("lookups");
+  int lastLookup = cfg.readNumEntry("time",0);
+  int lookupCount = cfg.readNumEntry("count",-1);
+  int time = TimeConversion::toUTC( QDateTime::currentDateTime() );
+  cfg.writeEntry("time", time);
+ 	
+  float timeShift = getTimeShift();
+ 	int secsSinceLast = time - lastLookup;
+  TextLabelNewTime->setText(QDateTime::currentDateTime().toString());
+  if ( lastLookup > 0 && secsSinceLast > 60*_minLookupDiff)
+  {
+	  lookupCount++;
+   	cfg.writeEntry("count",lookupCount);
+	  cfg.setGroup("lookup_"+QString::number(lookupCount));
+    _shiftPerSec =  timeShift / secsSinceLast;
+    float nextCorr = _maxOffset / _shiftPerSec;
+   	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);
+		cfg.writeEntry("secsSinceLast",secsSinceLast);
+		cfg.writeEntry("timeShift",QString::number(timeShift));
+  }
+}
+
+void Ntp::correctClock()
+{
+	qDebug("current time: %s",QDateTime::currentDateTime().toString().latin1());
+	Config cfg("ntp",Config::User);
+  cfg.setGroup("correction");
+ 	int lastTime = cfg.readNumEntry("time",0);
+  int now = TimeConversion::toUTC( QDateTime::currentDateTime() );
+  int corr = int((now - lastTime) * _shiftPerSec);
+	outPut->append( "time will be shifted by "+QString::number(corr)+ "secs");
+  struct timeval myTv;
+  myTv.tv_sec = TimeConversion::toUTC( QDateTime::currentDateTime().addSecs(corr) );
+  myTv.tv_usec = 0;
+
+  if ( myTv.tv_sec != -1 )
+      ::settimeofday( &myTv, 0 );
+  Global::writeHWClock();
+  cfg.writeEntry("time",now);
+	qDebug("current time: %s",QDateTime::currentDateTime().toString().latin1());
+}
+
+float Ntp::getTimeShift()
+{
+	QString _offset = "offset";
+  QString _sec = "sec";
+  QRegExp _reOffset = QRegExp(_offset);
+  QRegExp _reEndOffset = QRegExp(_sec);
+  int posOffset = _reOffset.match( _ntpOutput );
+  int posEndOffset = _reEndOffset.match( _ntpOutput, posOffset );
+  posOffset += _offset.length() + 1;
+  QString diff = _ntpOutput.mid(posOffset, posEndOffset-posOffset-1);
+  qDebug("%s", _ntpOutput.latin1());
+  qDebug("diff = >%s<",diff.latin1());
+  TextLabelTimeShift->setText(diff);
+  return diff.toFloat();
+}
\ No newline at end of file
diff --git a/example/ntp.h b/example/ntp.h
new file mode 100644
index 0000000..c9c2e9b
--- a/dev/null
+++ b/example/ntp.h
@@ -0,0 +1,35 @@
+#ifndef NTP_H
+#define NTP_H
+#include "ntpbase.h"
+#include <qdatetime.h>
+#include <qtimer.h>
+
+class OProcess;
+class QString;
+
+
+class Ntp : public NtpBase
+{
+    Q_OBJECT
+
+public:
+    Ntp( QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
+    ~Ntp();
+
+    OProcess *ntpProcess;
+
+private:
+		QString _ntpOutput;
+  	int _maxOffset;
+   	float _shiftPerSec;
+  	QTimer *_nextCorrection;
+   	float getTimeShift();
+    int _minLookupDiff;
+private slots:
+    void slotRunNtp();
+    void getNtpOutput(OProcess *proc, char *buffer, int buflen);
+    void ntpFinished(OProcess*);
+    void correctClock();
+};
+
+#endif
diff --git a/example/ntpbase.ui b/example/ntpbase.ui
new file mode 100644
index 0000000..eb09e4a
--- a/dev/null
+++ b/example/ntpbase.ui
@@ -0,0 +1,322 @@
+<!DOCTYPE UI><UI>
+<class>NtpBase</class>
+<widget>
+    <class>QWidget</class>
+    <property stdset="1">
+        <name>name</name>
+        <cstring>NtpBase</cstring>
+    </property>
+    <property stdset="1">
+        <name>geometry</name>
+        <rect>
+            <x>0</x>
+            <y>0</y>
+            <width>296</width>
+            <height>337</height>
+        </rect>
+    </property>
+    <property stdset="1">
+        <name>caption</name>
+        <string>Network Time</string>
+    </property>
+    <property>
+        <name>layoutMargin</name>
+    </property>
+    <property>
+        <name>layoutSpacing</name>
+    </property>
+    <grid>
+        <property stdset="1">
+            <name>margin</name>
+            <number>2</number>
+        </property>
+        <property stdset="1">
+            <name>spacing</name>
+            <number>1</number>
+        </property>
+        <widget row="0"  column="0" >
+            <class>QTabWidget</class>
+            <property stdset="1">
+                <name>name</name>
+                <cstring>TabWidgetMain</cstring>
+            </property>
+            <property>
+                <name>layoutMargin</name>
+            </property>
+            <property>
+                <name>layoutSpacing</name>
+            </property>
+            <widget>
+                <class>QWidget</class>
+                <property stdset="1">
+                    <name>name</name>
+                    <cstring>tabNtp</cstring>
+                </property>
+                <attribute>
+                    <name>title</name>
+                    <string>NTP</string>
+                </attribute>
+                <grid>
+                    <property stdset="1">
+                        <name>margin</name>
+                        <number>3</number>
+                    </property>
+                    <property stdset="1">
+                        <name>spacing</name>
+                        <number>3</number>
+                    </property>
+                    <widget row="1"  column="0" >
+                        <class>QPushButton</class>
+                        <property stdset="1">
+                            <name>name</name>
+                            <cstring>runNtp</cstring>
+                        </property>
+                        <property stdset="1">
+                            <name>text</name>
+                            <string>get time from network</string>
+                        </property>
+                    </widget>
+                    <widget row="0"  column="0" >
+                        <class>QFrame</class>
+                        <property stdset="1">
+                            <name>name</name>
+                            <cstring>FrameNtp</cstring>
+                        </property>
+                        <property stdset="1">
+                            <name>frameShape</name>
+                            <enum>StyledPanel</enum>
+                        </property>
+                        <property stdset="1">
+                            <name>frameShadow</name>
+                            <enum>Raised</enum>
+                        </property>
+                        <property>
+                            <name>layoutMargin</name>
+                        </property>
+                        <grid>
+                            <property stdset="1">
+                                <name>margin</name>
+                                <number>11</number>
+                            </property>
+                            <property stdset="1">
+                                <name>spacing</name>
+                                <number>6</number>
+                            </property>
+                            <widget row="0"  column="0" >
+                                <class>QLayoutWidget</class>
+                                <property stdset="1">
+                                    <name>name</name>
+                                    <cstring>Layout4</cstring>
+                                </property>
+                                <vbox>
+                                    <property stdset="1">
+                                        <name>margin</name>
+                                        <number>0</number>
+                                    </property>
+                                    <property stdset="1">
+                                        <name>spacing</name>
+                                        <number>6</number>
+                                    </property>
+                                    <widget>
+                                        <class>QLabel</class>
+                                        <property stdset="1">
+                                            <name>name</name>
+                                            <cstring>TextLabel1</cstring>
+                                        </property>
+                                        <property stdset="1">
+                                            <name>autoMask</name>
+                                            <bool>false</bool>
+                                        </property>
+                                        <property stdset="1">
+                                            <name>text</name>
+                                            <string>Start Time:</string>
+                                        </property>
+                                    </widget>
+                                    <widget>
+                                        <class>QLabel</class>
+                                        <property stdset="1">
+                                            <name>name</name>
+                                            <cstring>TextLabelStartTime</cstring>
+                                        </property>
+                                        <property stdset="1">
+                                            <name>text</name>
+                                            <string></string>
+                                        </property>
+                                    </widget>
+                                    <widget>
+                                        <class>QLabel</class>
+                                        <property stdset="1">
+                                            <name>name</name>
+                                            <cstring>TextLabel3</cstring>
+                                        </property>
+                                        <property stdset="1">
+                                            <name>text</name>
+                                            <string>Time Shift:</string>
+                                        </property>
+                                    </widget>
+                                    <widget>
+                                        <class>QLabel</class>
+                                        <property stdset="1">
+                                            <name>name</name>
+                                            <cstring>TextLabelTimeShift</cstring>
+                                        </property>
+                                        <property stdset="1">
+                                            <name>text</name>
+                                            <string></string>
+                                        </property>
+                                    </widget>
+                                    <widget>
+                                        <class>QLabel</class>
+                                        <property stdset="1">
+                                            <name>name</name>
+                                            <cstring>TextLabel5</cstring>
+                                        </property>
+                                        <property stdset="1">
+                                            <name>text</name>
+                                            <string>New Time:</string>
+                                        </property>
+                                    </widget>
+                                    <widget>
+                                        <class>QLabel</class>
+                                        <property stdset="1">
+                                            <name>name</name>
+                                            <cstring>TextLabelNewTime</cstring>
+                                        </property>
+                                        <property stdset="1">
+                                            <name>text</name>
+                                            <string></string>
+                                        </property>
+                                    </widget>
+                                    <spacer>
+                                        <property>
+                                            <name>name</name>
+                                            <cstring>Spacer1</cstring>
+                                        </property>
+                                        <property stdset="1">
+                                            <name>orientation</name>
+                                            <enum>Vertical</enum>
+                                        </property>
+                                        <property stdset="1">
+                                            <name>sizeType</name>
+                                            <enum>Expanding</enum>
+                                        </property>
+                                        <property>
+                                            <name>sizeHint</name>
+                                            <size>
+                                                <width>20</width>
+                                                <height>20</height>
+                                            </size>
+                                        </property>
+                                    </spacer>
+                                </vbox>
+                            </widget>
+                            <widget row="1"  column="0" >
+                                <class>QLayoutWidget</class>
+                                <property stdset="1">
+                                    <name>name</name>
+                                    <cstring>Layout6</cstring>
+                                </property>
+                                <hbox>
+                                    <property stdset="1">
+                                        <name>margin</name>
+                                        <number>0</number>
+                                    </property>
+                                    <property stdset="1">
+                                        <name>spacing</name>
+                                        <number>6</number>
+                                    </property>
+                                    <widget>
+                                        <class>QLabel</class>
+                                        <property stdset="1">
+                                            <name>name</name>
+                                            <cstring>TextLabel7</cstring>
+                                        </property>
+                                        <property stdset="1">
+                                            <name>text</name>
+                                            <string>NTP Server:</string>
+                                        </property>
+                                    </widget>
+                                    <widget>
+                                        <class>QLineEdit</class>
+                                        <property stdset="1">
+                                            <name>name</name>
+                                            <cstring>LineEditNtpServer</cstring>
+                                        </property>
+                                    </widget>
+                                </hbox>
+                            </widget>
+                        </grid>
+                    </widget>
+                </grid>
+            </widget>
+            <widget>
+                <class>QWidget</class>
+                <property stdset="1">
+                    <name>name</name>
+                    <cstring>tab</cstring>
+                </property>
+                <attribute>
+                    <name>title</name>
+                    <string>Auto Correction</string>
+                </attribute>
+                <widget>
+                    <class>QTable</class>
+                    <property stdset="1">
+                        <name>name</name>
+                        <cstring>TableLookups</cstring>
+                    </property>
+                    <property stdset="1">
+                        <name>geometry</name>
+                        <rect>
+                            <x>10</x>
+                            <y>10</y>
+                            <width>270</width>
+                            <height>220</height>
+                        </rect>
+                    </property>
+                    <property stdset="1">
+                        <name>numRows</name>
+                        <number>2</number>
+                    </property>
+                    <property stdset="1">
+                        <name>numCols</name>
+                        <number>2</number>
+                    </property>
+                </widget>
+            </widget>
+            <widget>
+                <class>QWidget</class>
+                <property stdset="1">
+                    <name>name</name>
+                    <cstring>TabDebug</cstring>
+                </property>
+                <attribute>
+                    <name>title</name>
+                    <string>Debug</string>
+                </attribute>
+                <grid>
+                    <property stdset="1">
+                        <name>margin</name>
+                        <number>3</number>
+                    </property>
+                    <property stdset="1">
+                        <name>spacing</name>
+                        <number>6</number>
+                    </property>
+                    <widget row="0"  column="0" >
+                        <class>QMultiLineEdit</class>
+                        <property stdset="1">
+                            <name>name</name>
+                            <cstring>outPut</cstring>
+                        </property>
+                        <property stdset="1">
+                            <name>wordWrap</name>
+                            <enum>WidgetWidth</enum>
+                        </property>
+                    </widget>
+                </grid>
+            </widget>
+        </widget>
+    </grid>
+</widget>
+</UI>
diff --git a/example/opie-netsystemtime.control b/example/opie-netsystemtime.control
new file mode 100644
index 0000000..e6f5e2d
--- a/dev/null
+++ b/example/opie-netsystemtime.control
@@ -0,0 +1,8 @@
+Files: bin/netsystemtime apps/Settings/ntpdatetime.desktop
+Priority: optional
+Section: opie/settings
+Maintainer: Patrick S. Vogt <tille@handhelds.org>
+Architecture: arm
+Version: $QPE_VERSION-$SUB_VERSION
+Depends: opie-base ($QPE_VERSION)
+Description: ntp ( Network  Time  Protocol) gui