#include "ndgui.h"
ndgui::ndgui(QMainWindow *parent) :
QMainWindow(parent) {
_tag = "[nd:ndgui]";
_started = false;
_userChoice = false;
_tryAgain = false;
createAction();
connect(&networkDiscovery, SIGNAL(addInterface(const QString &)), this, SLOT(addInterface( const QString &)));
connect(&networkDiscovery, SIGNAL(changeProgressBarValue(const QString & , const int& )), this, SLOT(updateIfProgressBar(const QString & , const int&)));
connect(&networkDiscovery, SIGNAL(connectionEstablished(QString)), this, SLOT(handleConnectionEstablished(QString)));
connect(&networkDiscovery, SIGNAL(abortBoot(QString)), this, SLOT(abortBoot(const QString)));
connect(&networkDiscovery, SIGNAL(updateStatusLabel(QString,QString)), this, SLOT(updateIfStatus(const QString &, const QString &)));
connect(&networkDiscovery, SIGNAL(allProcessesFinished()), this, SLOT(handleAllProcessesFinished()));
connect(&networkDiscovery, SIGNAL(continueBoot(QString, int)), this, SLOT(continueBoot(QString, int)));
_webView = new QWebView(this);
connect(_webView->page()->mainFrame(), SIGNAL(
javaScriptWindowObjectCleared()), this, SLOT(attachToDOM()));
setCentralWidget(_webView);
setWindowTitle(tr("NetD"));
setAttribute(Qt::WA_QuitOnClose, true);
setWindowFlags(Qt::FramelessWindowHint);
showFullScreen();
_webView->load(QUrl("qrc:html/networkdiscovery_userchoice.html"));
_webView->show();
qxtLog->debug() << _tag << "start singel shot";
QTimer::singleShot(2000, this, SLOT(prepareNetworkDiscover()));
}
ndgui::~ndgui() {
}
/**
* creates an action which you can trigger with the F5 Button during the first
* seconds.
*/
void ndgui::createAction() {
_allowUserChoice = new QAction(tr("&quit"), this);
_allowUserChoice->setShortcut(QKeySequence(Qt::Key_F5));
connect(_allowUserChoice, SIGNAL(triggered()), this, SLOT(setUserChoiceTrue()));
this->addAction(_allowUserChoice);
}
/**
* is the connected to the triggered action pressing the F5 button.
* set the _userChoice member true
*/
void ndgui::setUserChoiceTrue() {
_userChoice = true;
}
/**
* is connected to the singleShot event. Triggering this method means
* that we go on with the main NetworkDiscovery screen.
* connects the loadFinished signal of the _webView with the
* startNetworkDiscovery slot and removes the
* action.
*/
void ndgui::prepareNetworkDiscover() {
connect(_webView, SIGNAL(loadFinished(bool)), this,
SLOT(startNetworkDiscovery()));
this->removeAction(_allowUserChoice);
_webView->load(QUrl("qrc:html/networkdiscovery.html"));
_webView->show();
}
/**
* main starting point of the whole procedure.
* disconnect the loadFinished signal with the startNetworkDiscovery
* and starts the networkDiscovery.
*/
void ndgui::startNetworkDiscovery(){
disconnect(_webView,SIGNAL(loadFinished(bool)), this, SLOT(startNetworkDiscovery()));
if(!_started) {
if (!_tryAgain) {
_started = true;
QStringList l;
l << "-d";
networkDiscovery.initAndRun("209.85.148.105", _userChoice, true, "/var/tmp/logfile","/var/tmp/qt_c_socket_custom", DEFAULT_PATHTODHCPCDEXE, &l);
} else {
_tryAgain = false;
networkDiscovery.tryAgain();
}
}
else {
qxtLog->debug() << _tag << "NetworkDiscovery already started";
}
}
/**
* if we have a user choice (_userChoice = true) than networkDiscovery will
* emit connectionEstablished signals.
* Add the interface name to a _ifNameList. This list holds all interfaces
* the user can choose out of.
*/
void ndgui::handleConnectionEstablished(QString ifName) {
_ifNameList.append(ifName);
}
/**
* if we have a user choice (_userChoice = true) than networkDiscovery will
* emit a allProcessesFinished signal if all processes are done.
* This method determines if user will see an abort boot dialog (no interface names in
* the ifNameList list) or an
* choose interface dialog (one or more interface names in the list (add with
* handleConnectionEstablished)).
*/
void ndgui::handleAllProcessesFinished() {
qxtLog->debug() << _tag << "all Processes finished";
if(_ifNameList.size() > 0) {
QString jsonArr = "[";
for(int i = 0; i < _ifNameList.size()-1; i++) {
jsonArr += "\"" + _ifNameList.value(i) + "\",";
}
jsonArr += "\"" + _ifNameList.last() + "\"]";
chooseInterfaceDialog(jsonArr);
} else {
abortBoot("No usable interfaces found!");
}
}
/**
* this method will restart the system.
* triggered through a button click in the gui.
*/
void ndgui::restartSystem() {
QFile file("/proc/sysrq-trigger");
if (file.open(QIODevice::WriteOnly)) {
file.write("b");
file.close();
} else {
qxtLog->debug() << _tag << "Could not open /proc/sysrq-trigger";
}
}
/**
* this method will restart the system.
* triggered through a button click in the gui.
*/
void ndgui::shutDownSystem() {
QFile file("/proc/sysrq-trigger");
if (file.open(QIODevice::WriteOnly)) {
file.write("o");
file.close();
} else {
qxtLog->debug() << _tag << "Could not open /proc/sysrq-trigger";
}
}
/**
* represents the end of the NetworkDiscovery life time.
* will start the fbgui screen. All networkDiscovery signals
* will be ignored after this point.
*/
void ndgui::continueBoot(QString ifName, int userChoice) {
if (!userChoice) {
QString text = "continue with interface: " + ifName;
qxtLog->debug() << _tag << text << "no user choice";
} else {
QString text = "continue with interface: " + ifName;
qxtLog->debug() << _tag << text << "with user choice";
QString gateway = networkDiscovery.getGatewayForInterface(ifName);
networkDiscovery.ip4_replaceDefaultRoute(ifName,gateway,0);
}
if (networkDiscovery.checkConnectivityViaTcp()) {
emit initFbgui();
} else {
abortBoot("Interface was suddenly made unusable ");
}
}
/**
* read the log file. Log File will be presented inside of a dialog.
*/
QString ndgui::readLogFile() {
qxtLog->debug() << _tag << "show log";
return networkDiscovery.readLogFile();
}
/**/
void ndgui::tryAgain() {
qxtLog->debug()<< _tag << " try again ";
_tryAgain = true;
_started = false;
_ifNameList.clear();
_manConfList.clear();
createAction();
_webView->load(QUrl("qrc:html/networkdiscovery_userchoice.html"));
_webView->show();
QTimer::singleShot(2000, this, SLOT(prepareNetworkDiscover()));
}
/*test html gui version*/
/**
* fills the drop down box of the manual interface configuration
* dialog.
*/
QVariantList ndgui::getManualConfInterfaces() {
qxtLog->debug() << _tag << "call getManualConfInterfaces";
QVariantList jsonArr;
foreach (QString s, _manConfList) {
QVariant e(s);
jsonArr << e;
}
qxtLog->debug() << _tag << "value of jsonArr:" << jsonArr;
return jsonArr;
}
/**
* takes the entered manual configuration dates and delivers it
* to the networkDiscovery for further actions.
*/
int ndgui::ip4_setManualConfiguration(QVariantMap jsonArr) {
return networkDiscovery.ip4_setManualConfiguration(jsonArr);
}
/* slots */
/************************************************/
//////////////////////////////////////////////////
/************************************************/
/**
* stellt ein ndgui/fbgui Objekt zur verwendung durch die html bereit.
*/
void ndgui::attachToDOM(){
_webView->page()->mainFrame()->addToJavaScriptWindowObject(QString("fbgui"), this);
loadJQuery();
}
void ndgui::loadJQuery() {
QString js;
QString pathToJsDir(":/html");
pathToJsDir.append("/js");
QDir qrcJSDir(pathToJsDir);
QFileInfoList fiList = qrcJSDir.entryInfoList();
QFileInfo fi;
foreach(fi, fiList)
{
if (fi.suffix() == "js") {
//qxtLog->debug()<< fi.fileName();
//qxtLog->debug() << fi.fileName();
//if (fi.fileName() != "test.js" && fi.fileName() != "nd-functions.js") {
QFile file;
file.setFileName(pathToJsDir + "/" + fi.fileName());
file.open(QIODevice::ReadOnly);
js = file.readAll();
file.close();
_webView->page()->mainFrame()->evaluateJavaScript(js);
//qxtLog->debug() << "evaluated " + fi.fileName();
//}
}
}
}
//diese methoden müssen später in die javascriptInterface Klasse eingefügt werden.
// dieser code muss später in die javascriptInterface klasse der fbgui eingefügt werden
// tausche dazu ndgui zu javascriptinterface
// und _webView->page()->mainFrame() zu _parent
void ndgui::abortBoot(const QString msg) {
QString code = QString("abortBootDialog('\%1')").arg(msg);
_webView->page()->mainFrame()->evaluateJavaScript(code);
}
/**
* opens ths chooseInterfaceDialog
*/
void ndgui::chooseInterfaceDialog(const QString msg) {
QString code = QString("chooseInterfaceDialog(\%1)").arg(msg);
_webView->page()->mainFrame()->evaluateJavaScript(code);
}
/**
* updates the over all status
*/
void ndgui::updateStatus(const QString &status) {
if (status == "")
return;
QString code = QString("updateStatus('\%1')").arg(status);
_webView->page()->mainFrame()->evaluateJavaScript(code);
}
/**
* updates the progress bar for each interface.
*
* @param ifname
* the name ot the interface to update
*
* @param percent
* the progress in percent
*/
void ndgui::updateIfProgressBar(const QString &ifName, const int& percent) {
if (percent == 0)
return;
QString code = QString("updateIfProgressBar('\%1',\%2)").arg(ifName).arg(percent);
_webView->page()->mainFrame()->evaluateJavaScript(code);
}
/**
* update the status for each interface
*
* @param ifName
* the name ot the interface to update
*
* @param status
* the new status of the interface.
*/
void ndgui::updateIfStatus(const QString &ifName, const QString &status) {
if (ifName == "")
return;
QString code = QString("updateIfStatus('\%1','\%2')").arg(ifName).arg(status);
_webView->page()->mainFrame()->evaluateJavaScript(code);
}
/**
* adds an interface to the DOM tree. Creates its progress bar and it's status label.
*
* @param ifName
* name of the new interface.
*/
void ndgui::addInterface(const QString &ifName) {
if (ifName == "")
return;
_manConfList.append(ifName);
QString code = QString("addInterface('\%1')").arg(ifName);
_webView->page()->mainFrame()->evaluateJavaScript(code);
}
/**
* just for debugging.
*/
void ndgui::notifyCall(QString msg){
qxtLog->debug() << _tag << "------ called:" << msg;
}
