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472 lines
13 KiB
472 lines
13 KiB
13 years ago
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/*
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* Remote Laboratory FPGA Programming Part
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* (c) 2012 Timothy Pearson
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* Raptor Engineering
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* http://www.raptorengineeringinc.com
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*/
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#include "define.h"
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#include "part.h"
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#include <kaboutdata.h> //::createAboutData()
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#include <kaction.h>
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#include <klocale.h>
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#include <kmessagebox.h> //::start()
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#include <kparts/genericfactory.h>
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#include <kstatusbar.h>
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#include <kstdaction.h>
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#include <knuminput.h>
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#include <kmdcodec.h>
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#include <kurlrequester.h>
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#include <tqfile.h> //encodeName()
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#include <tqtimer.h> //postInit() hack
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#include <tqvbox.h>
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#include <tqsocket.h>
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#include <tqmutex.h>
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#include <tqeventloop.h>
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#include <tqapplication.h>
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#include <tqgroupbox.h>
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#include <tqcheckbox.h>
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#include <tqpushbutton.h>
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#include <tqprogressbar.h>
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#include <unistd.h> //access()
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#include <stdint.h>
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#include <tqpainter.h>
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#include "tracewidget.h"
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#include "floatspinbox.h"
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#include "layout.h"
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// RAJA UNCOMMENT ME
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//#define SERVER_TIMEOUT_MS 10000
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// RAJA DEBUG ONLY
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#define SERVER_TIMEOUT_MS 100000
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#define FPGA_COMM_TIMEOUT_MS 500
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#define FPGA_DATA_PROCESSING_TIMEOUT_MS 2500
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namespace RemoteLab {
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typedef KParts::GenericFactory<RemoteLab::FPGAProgramPart> Factory;
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#define CLIENT_LIBRARY "libremotelab_fpgaprogrammer"
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K_EXPORT_COMPONENT_FACTORY(libremotelab_fpgaprogrammer, RemoteLab::Factory)
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FPGAProgramPart::FPGAProgramPart(TQWidget *parentWidget, const char *widgetName, TQObject *parent, const char *name, const TQStringList&)
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: RemoteInstrumentPart( parent, name ), m_socket(0), m_base(0), connToServerConnecting(false), connToServerState(-1), connToServerTimeoutTimer(NULL),
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m_commHandlerState(0), m_connectionActiveAndValid(false), m_tickerState(0)
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{
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// Initialize mutex
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m_connectionMutex = new TQMutex(false);
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// Initialize kpart
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setInstance(Factory::instance());
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setWidget(new TQVBox(parentWidget, widgetName));
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// Create timers
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m_updateTimer = new TQTimer(this);
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// Create widgets
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m_base = new FPGAProgramBase(widget());
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// Initialize widgets
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connect(m_base->programRunButton, SIGNAL(clicked()), this, SLOT(programRunButtonClicked()));
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TQTimer::singleShot(0, this, TQT_SLOT(postInit()));
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}
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FPGAProgramPart::~FPGAProgramPart() {
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if (m_connectionMutex->locked()) {
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printf("[WARNING] Exiting when data transfer still in progress!\n\r"); fflush(stdout);
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}
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disconnectFromServer();
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delete m_connectionMutex;
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}
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void FPGAProgramPart::processLockouts() {
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TQWidget* mainWidget = widget();
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if (mainWidget) {
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if ((m_socket) && (m_socket->state() == TQSocket::Connected) && (connToServerState > 0) && (connToServerConnecting == false)) {
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mainWidget->setEnabled(true);
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}
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else {
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mainWidget->setEnabled(false);
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}
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}
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if ((m_base->programmingInputFile->url() != "") && (m_commHandlerMode == 0) && (m_connectionActiveAndValid == true)) {
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m_base->programRunButton->setEnabled(true);
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}
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else {
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m_base->programRunButton->setEnabled(false);
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}
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if (m_commHandlerMode == 1) {
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m_base->programmingInputFile->setEnabled(false);
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}
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else {
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m_base->programmingInputFile->setEnabled(true);
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}
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if ((m_connectionActiveAndValid == true) && (m_commHandlerMode == 0)) {
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m_base->programmingStatusLabel->setText(i18n("Ready"));
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}
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}
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void FPGAProgramPart::resizeToHint() {
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resize(widget()->sizeHint());
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}
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void FPGAProgramPart::connectionClosed() {
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closeURL();
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}
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void FPGAProgramPart::postInit() {
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connect(m_updateTimer, SIGNAL(timeout()), this, SLOT(updateDisplay()));
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}
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bool FPGAProgramPart::openURL(const KURL &url) {
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int ret;
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ret = connectToServer(url.url());
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processLockouts();
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return (ret != 0);
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}
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bool FPGAProgramPart::closeURL() {
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disconnectFromServer();
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m_url = KURL();
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return true;
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}
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void FPGAProgramPart::disconnectFromServer() {
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if (m_socket) {
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m_socket->clearPendingData();
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m_socket->close();
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delete m_socket;
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m_socket = NULL;
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}
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processLockouts();
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}
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void FPGAProgramPart::finishConnectingToServer() {
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if (!m_socket) {
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connToServerState = -1;
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connToServerConnecting = false;
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processLockouts();
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return;
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}
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if (connToServerConnecting) {
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switch(connToServerState) {
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case 0:
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if (!connToServerTimeoutTimer) {
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connToServerTimeoutTimer = new TQTimer;
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connToServerTimeoutTimer->start(SERVER_TIMEOUT_MS, TRUE);
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}
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if ((m_socket->state() == TQSocket::Connecting) || (m_socket->state() == TQSocket::HostLookup)) {
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if (!connToServerTimeoutTimer->isActive()) {
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connToServerState = -3;
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connToServerConnecting = false;
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disconnectFromServer();
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KMessageBox::error(0, i18n("<qt>Unable to establish connection to remote server</qt>"), i18n("Connection Failed"));
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}
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}
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else {
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if (m_socket->state() == TQSocket::Connected) {
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printf("[DEBUG] Initial connection established...\n\r"); fflush(stdout);
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m_socket->setDataTimeout(SERVER_TIMEOUT_MS);
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m_socket->setUsingKerberos(true);
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connToServerState = 1;
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}
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else {
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connToServerState = -1;
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connToServerConnecting = false;
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disconnectFromServer();
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KMessageBox::error(0, i18n("<qt>Unable to establish connection to remote server</qt>"), i18n("Connection Failed"));
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}
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}
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break;
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case 1:
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if (m_socket->kerberosStatus() == TDEKerberosClientSocket::KerberosInitializing) {
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// Do nothing
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}
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else {
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if (m_socket->kerberosStatus() != TDEKerberosClientSocket::KerberosInUse) {
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connToServerState = -1;
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connToServerConnecting = false;
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disconnectFromServer();
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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"));
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}
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else {
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connToServerState = 2;
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}
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}
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break;
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case 2:
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// Connection established!
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// Read magic number and proto version from server
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TQDataStream ds(m_socket);
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TQ_UINT32 magicnum;
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TQ_UINT32 protover;
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ds >> magicnum;
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ds >> protover;
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printf("[DEBUG] Got magic number %d and protocol version %d\n\r", magicnum, protover); fflush(stdout);
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// Request connection to backend server
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TQString response;
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ds << TQString("SERV");
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ds << TQString(CLIENT_LIBRARY);
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ds >> response;
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printf("[RAJA DEBUG 400.0] Got '%s' from the server\n\r", response.ascii()); fflush(stdout);
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if (response == "OK") {
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connToServerState = 3;
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connToServerConnecting = false;
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connect(m_socket, SIGNAL(readyRead()), m_socket, SLOT(processPendingData()));
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connect(m_socket, SIGNAL(newDataReceived()), this, SLOT(updateDisplay()));
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m_tickerState = 0;
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m_commHandlerState = 0;
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m_commHandlerMode = 0;
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m_updateTimer->start(FPGA_COMM_TIMEOUT_MS, FALSE);
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processLockouts();
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updateDisplay();
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return;
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}
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else if (response == "ERRNOCONN") {
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connToServerState = -1;
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connToServerConnecting = false;
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disconnectFromServer();
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KMessageBox::error(0, i18n("<qt>Unable to establish connection with backend server<p>Please verify that you are currently connected to a workspace</qt>"), i18n("Connection Failed"));
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close();
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return;
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}
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else if (response == "ERRNOTAVL") {
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connToServerState = -1;
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connToServerConnecting = false;
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disconnectFromServer();
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KMessageBox::error(0, i18n("<qt>The backend server is not available at this time<p>Please try a different workspace, or try again later</qt>"), i18n("Connection Failed"));
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close();
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return;
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}
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else if (response == "ERRNOSERV") {
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connToServerState = -1;
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connToServerConnecting = false;
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disconnectFromServer();
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KMessageBox::error(0, i18n("<qt>The active laboratory workspace does not support the requested service</qt>"), i18n("Service Unavailable"));
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close();
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return;
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}
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else {
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connToServerState = -1;
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connToServerConnecting = false;
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disconnectFromServer();
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KMessageBox::error(0, i18n("<qt>Unable to establish connection with remote server</qt>"), i18n("Connection Failed"));
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close();
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return;
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}
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break;
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}
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TQTimer::singleShot(0, this, SLOT(finishConnectingToServer()));
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}
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}
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int FPGAProgramPart::connectToServer(TQString server) {
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if (m_socket) {
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return -1;
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}
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if (!m_socket) {
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m_socket = new TDEKerberosClientSocket(this);
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connect(m_socket, TQT_SIGNAL(statusMessageUpdated(const TQString&)), this, TQT_SLOT(setStatusMessage(const TQString&) ));
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}
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m_socket->setServiceName("remotefpga");
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m_socket->setServerFQDN(server);
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m_socket->connectToHost(server, 4004);
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// Finish connecting when appropriate
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connToServerState = 0;
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connToServerConnecting = true;
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TQTimer::singleShot(0, this, SLOT(finishConnectingToServer()));
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return 0;
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}
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void FPGAProgramPart::programRunButtonClicked() {
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m_commHandlerState = 0;
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m_commHandlerMode = 1;
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processLockouts();
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}
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#define UPDATEDISPLAY_TIMEOUT m_connectionActiveAndValid = false; \
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m_tickerState = 0; \
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m_commHandlerState = 0; \
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m_commHandlerMode = 0; \
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while (m_socket->bytesAvailable() > 0) { \
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m_socket->readBlock(data, 64); \
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} \
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setStatusMessage(i18n("Debug interface timeout, still waiting for data. Please verify that the FPGA is properly configured.")); \
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m_updateTimer->start(FPGA_COMM_TIMEOUT_MS, FALSE); \
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return;
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void FPGAProgramPart::updateDisplay() {
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m_updateTimer->stop();
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TQDataStream ds(m_socket);
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if (m_socket) {
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char data[64];
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if (m_commHandlerMode == 0) {
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// Normal operation
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switch (m_commHandlerState) {
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case 0:
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// Get status of remote system
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// RAJA FIXME
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ds << TQString("STATUS");
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m_updateTimer->start(FPGA_COMM_TIMEOUT_MS, FALSE);
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m_commHandlerState = 1;
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break;
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case 1:
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// Get all data
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if (m_socket->bytesAvailable() > 0) {
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// RAJA FIXME
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TQStringList statusDetails;
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ds >> statusDetails;
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m_connectionActiveAndValid = true;
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TQString tickerChar;
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switch (m_tickerState) {
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case 0:
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tickerChar = "-";
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break;
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case 1:
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tickerChar = "\\";
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break;
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case 2:
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tickerChar = "|";
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break;
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case 3:
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tickerChar = "/";
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break;
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}
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setStatusMessage(i18n("Running") + TQString("... %1").arg(tickerChar));
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m_tickerState++;
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if (m_tickerState > 3) {
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m_tickerState = 0;
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}
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m_updateTimer->start(FPGA_COMM_TIMEOUT_MS, FALSE);
|
||
|
|
|
||
|
|
m_commHandlerState = 0;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (!m_updateTimer->isActive()) {
|
||
|
|
UPDATEDISPLAY_TIMEOUT
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (m_commHandlerMode == 1) {
|
||
|
|
// Program mode!
|
||
|
|
// RAJA FIXME
|
||
|
|
if (m_commHandlerState == 0) {
|
||
|
|
m_base->programmingStatusLabel->setText(i18n("Reading input file") + "...");
|
||
|
|
TQFile file(m_base->programmingInputFile->url());
|
||
|
|
if (file.open(IO_ReadOnly)) {
|
||
|
|
m_programmingFileData = file.readAll();
|
||
|
|
file.close();
|
||
|
|
|
||
|
|
m_base->programmingProgressBar->setTotalSteps(0);
|
||
|
|
m_base->programmingProgressBar->setProgress(0);
|
||
|
|
m_base->programmingStatusLabel->setText(i18n("Sending data to server") + "...");
|
||
|
|
|
||
|
|
ds << TQString("FILE");
|
||
|
|
// RAJA FIXME
|
||
|
|
// Transmit file to remote server...
|
||
|
|
ds << m_programmingFileData;
|
||
|
|
|
||
|
|
m_base->programmingStatusLabel->setText(i18n("Programming device") + "...");
|
||
|
|
ds << TQString("PROGRAM");
|
||
|
|
|
||
|
|
m_commHandlerState = 1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
KMessageBox::error(0, i18n("<qt>Unable to open selected programming file</qt>"), i18n("Program Failed"));
|
||
|
|
m_commHandlerMode = 0;
|
||
|
|
m_commHandlerState = 0;
|
||
|
|
m_base->programmingProgressBar->setTotalSteps(1);
|
||
|
|
m_base->programmingProgressBar->setProgress(0);
|
||
|
|
processLockouts();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (m_commHandlerState == 1) {
|
||
|
|
// Get response
|
||
|
|
if (m_socket->bytesAvailable() > 0) {
|
||
|
|
// RAJA FIXME
|
||
|
|
TQString result;
|
||
|
|
ds >> result;
|
||
|
|
|
||
|
|
if (result == "PROGRAMMING") {
|
||
|
|
// RAJA FIXME
|
||
|
|
}
|
||
|
|
else if (result == "DONE") {
|
||
|
|
int retCode;
|
||
|
|
TQString log;
|
||
|
|
|
||
|
|
ds >> retCode;
|
||
|
|
ds >> log;
|
||
|
|
|
||
|
|
// RAJA FIXME
|
||
|
|
// Handle errors
|
||
|
|
|
||
|
|
// Done!
|
||
|
|
m_commHandlerMode = 0;
|
||
|
|
m_commHandlerState = 0;
|
||
|
|
m_base->programmingProgressBar->setTotalSteps(1);
|
||
|
|
m_base->programmingProgressBar->setProgress(0);
|
||
|
|
processLockouts();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (!m_updateTimer->isActive()) {
|
||
|
|
m_base->programmingProgressBar->setTotalSteps(1);
|
||
|
|
m_base->programmingProgressBar->setProgress(0);
|
||
|
|
m_commHandlerMode = 0;
|
||
|
|
m_commHandlerState = 0;
|
||
|
|
processLockouts();
|
||
|
|
UPDATEDISPLAY_TIMEOUT
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
m_commHandlerState = 0;
|
||
|
|
m_commHandlerMode = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
KAboutData* FPGAProgramPart::createAboutData() {
|
||
|
|
return new KAboutData( APP_NAME, I18N_NOOP( APP_PRETTYNAME ), APP_VERSION );
|
||
|
|
}
|
||
|
|
|
||
|
|
} //namespace RemoteLab
|
||
|
|
|
||
|
|
#include "part.moc"
|