diff options
Diffstat (limited to 'clients/tde/src/part/fpgaview/part.cpp')
| -rw-r--r-- | clients/tde/src/part/fpgaview/part.cpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/clients/tde/src/part/fpgaview/part.cpp b/clients/tde/src/part/fpgaview/part.cpp new file mode 100644 index 0000000..dab2742 --- /dev/null +++ b/clients/tde/src/part/fpgaview/part.cpp @@ -0,0 +1,155 @@ +/* + * 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" |