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/*
* Remote Laboratory FPGA Viewer Part
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* (c) 2012 Timothy Pearson
* Raptor Engineering
* http://www.raptorengineeringinc.com
*/
#include "define.h"
#include "part.h"
#include <kaboutdata.h> //::createAboutData()
#include <kaction.h>
#include <klocale.h>
#include <kmessagebox.h> //::start()
#include <kparts/genericfactory.h>
#include <kstatusbar.h>
#include <kstdaction.h>
#include <tqfile.h> //encodeName()
#include <tqtimer.h> //postInit() hack
#include <tqvbox.h>
#include <tqsocket.h>
#include <tqmutex.h>
#include <tqeventloop.h>
#include <tqapplication.h>
#include <unistd.h> //access()
#include <stdint.h>
#include "tracewidget.h"
#include "floatspinbox.h"
#include "layout.h"
/* exception handling */
struct exit_exception {
int c;
exit_exception(int c):c(c) { }
};
namespace RemoteLab {
typedef KParts::GenericFactory<RemoteLab::FPGAViewPart> Factory;
K_EXPORT_COMPONENT_FACTORY( libremotelab_fpgaviewer, RemoteLab::Factory )
FPGAViewPart::FPGAViewPart(TQWidget *parentWidget, const char *widgetName, TQObject *parent, const char *name, const TQStringList&)
: ReadOnlyPart( parent, name ), m_socket(0), m_base(0)
{
// Initialize mutex
m_instrumentMutex = new TQMutex(false);
// Initialize kpart
setInstance(Factory::instance());
setWidget(new TQVBox(parentWidget, widgetName));
// Create timers
m_updateTimer = new TQTimer(this);
// Create widgets
m_base = new FPGAViewBase(widget());
TQTimer::singleShot(0, this, TQT_SLOT(postInit()));
}
FPGAViewPart::~FPGAViewPart() {
if (m_socket) {
m_socket->close();
while (m_socket->state() == TQSocket::Closing) {
tqApp->processEvents();
}
delete m_socket;
}
delete m_instrumentMutex;
}
void FPGAViewPart::postInit() {
connect(m_updateTimer, SIGNAL(timeout()), this, SLOT(updateDisplay()));
}
bool FPGAViewPart::openURL(const KURL &url) {
return connectToServer(url.url());
}
bool FPGAViewPart::closeURL() {
if (m_socket) {
m_socket->close();
while (m_socket->state() != TQSocket::Idle) {
tqApp->processEvents();
}
}
m_url = KURL();
if (m_instrumentMutex->locked()) {
throw exit_exception(-1);
}
return true;
}
int FPGAViewPart::connectToServer(TQString server) {
if (!m_socket) {
m_socket = new TDEKerberosClientSocket(this);
}
m_socket->setServiceName("remotefpga");
m_socket->setServerFQDN(server);
m_socket->connectToHost(server, 4004);
while ((m_socket->state() != TQSocket::Connected) && (m_socket->state() != TQSocket::Idle)) {
tqApp->eventLoop()->processEvents(TQEventLoop::AllEvents);
}
if (m_socket->state() != TQSocket::Connected) {
return -1;
}
if (m_socket->setUsingKerberos(true) != 0) {
m_socket->close();
KMessageBox::error(0, i18n("<qt>Unable to establish Kerberos protocol with remote server<p>Please verify that you currently hold a valid Kerberos ticket</qt>"), i18n("Connection Failed"));
return -1;
}
TQDataStream ds(m_socket);
// RAJA FIXME
// How do we know which service to request?
// ds << TQString("SERV");
// ds <<
return 0;
}
void FPGAViewPart::updateDisplay() {
// RAJA FIXME
}
KAboutData* FPGAViewPart::createAboutData() {
return new KAboutData( APP_NAME, I18N_NOOP( APP_PRETTYNAME ), APP_VERSION );
}
} //namespace RemoteLab
#include "part.moc"
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