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/*
* Remote Laboratory FPGA Programming 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) 2012-2013 Timothy Pearson
* Raptor Engineering
* http://www.raptorengineeringinc.com
*/
#include "define.h"
#include "part.h"
#include <kaboutdata.h> //::createAboutData()
#include <tdeaction.h>
#include <tdelocale.h>
#include <ktextedit.h>
#include <tdefiledialog.h>
#include <kmessagebox.h> //::start()
#include <tdeparts/genericfactory.h>
#include <kstatusbar.h>
#include <kstdaction.h>
#include <knuminput.h>
#include <kmdcodec.h>
#include <kurlrequester.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 <tqgroupbox.h>
#include <tqcheckbox.h>
#include <tqpushbutton.h>
#include <tqprogressbar.h>
#include <unistd.h> //access()
#include <stdint.h>
#include <tqpainter.h>
#include "tracewidget.h"
#include "floatspinbox.h"
#include "layout.h"
#define NETWORK_COMM_TIMEOUT_MS 2500
enum connectionModes {
ModeIdle = 0,
ModeProgramming = 1
};
enum connectionStates {
ModeIdle_StateStatusRequest = 0,
ModeIdle_StateProcessStatus = 1,
ModeIdle_StateDelay = 2,
ModeIdle_StateGetLogMessages = 3,
ModeProgramming_StateReadFile = 100,
ModeProgramming_StateInitProgramming = 101,
ModeProgramming_StateWaitForCompletion = 102,
ModeProgramming_StateRequestStatus = 103
};
namespace RemoteLab {
typedef KParts::GenericFactory<RemoteLab::FPGAProgramPart> Factory;
#define CLIENT_LIBRARY "libremotelab_fpgaprogrammer"
K_EXPORT_COMPONENT_FACTORY(libremotelab_fpgaprogrammer, RemoteLab::Factory)
FPGAProgramPart::FPGAProgramPart(TQWidget *parentWidget, const char *widgetName, TQObject *parent, const char *name, const TQStringList&)
: RemoteInstrumentPart( parent, name ), m_base(NULL), m_commHandlerState(0), m_connectionActiveAndValid(false), m_tickerState(0)
{
// Initialize important base class variables
m_clientLibraryName = CLIENT_LIBRARY;
// Initialize mutex
m_connectionMutex = new TQMutex(false);
// Initialize kpart
setInstance(Factory::instance());
setWidget(new TQVBox(parentWidget, widgetName));
// Create timers
m_forcedUpdateTimer = new TQTimer(this);
connect(m_forcedUpdateTimer, SIGNAL(timeout()), this, SLOT(mainEventLoop()));
m_updateTimeoutTimer = new TQTimer(this);
connect(m_updateTimeoutTimer, SIGNAL(timeout()), this, SLOT(mainEventLoop()));
m_pingDelayTimer = new TQTimer(this);
connect(m_pingDelayTimer, SIGNAL(timeout()), this, SLOT(mainEventLoop()));
// Create widgets
m_base = new FPGAProgramBase(widget());
// Initialize widgets
m_base->programmingLogBox->setReadOnly(true);
connect(m_base->programRunButton, SIGNAL(clicked()), this, SLOT(programRunButtonClicked()));
connect(m_base->clearProgrammingLogButton, SIGNAL(clicked()), this, SLOT(clearProgrammingLogBox()));
connect(m_base->saveProgrammingLogButton, SIGNAL(clicked()), this, SLOT(saveProgrammingLogBox()));
connect(m_base->programmingInputFile, SIGNAL(textChanged(const TQString &)), this, SLOT(processLockouts()));
TQTimer::singleShot(0, this, TQT_SLOT(postInit()));
}
FPGAProgramPart::~FPGAProgramPart() {
if (m_connectionMutex->locked()) {
printf("[WARNING] Exiting when data transfer still in progress!\n\r"); fflush(stdout);
}
disconnectFromServer();
delete m_connectionMutex;
}
void FPGAProgramPart::processLockouts() {
TQWidget* mainWidget = widget();
if (mainWidget) {
if ((m_socket) && (m_socket->state() == TQSocket::Connected) && (connToServerState > 0) && (connToServerConnecting == false)) {
mainWidget->setEnabled(true);
}
else {
mainWidget->setEnabled(false);
}
}
if ((m_base->programmingInputFile->url() != "") && (m_commHandlerMode == 0) && (m_connectionActiveAndValid == true)) {
m_base->programRunButton->setEnabled(true);
}
else {
m_base->programRunButton->setEnabled(false);
}
if (m_commHandlerMode == 1) {
m_base->programmingInputFile->setEnabled(false);
}
else {
m_base->programmingInputFile->setEnabled(true);
}
if ((m_connectionActiveAndValid == true) && (m_commHandlerMode == 0)) {
m_base->programmingStatusLabel->setText(i18n("Ready"));
}
}
void FPGAProgramPart::resizeToHint() {
resize(widget()->sizeHint());
}
void FPGAProgramPart::connectionClosed() {
closeURL();
}
void FPGAProgramPart::postInit() {
setUsingFixedSize(false);
}
bool FPGAProgramPart::openURL(const KURL &url) {
int ret;
ret = connectToServer(url.url());
processLockouts();
return (ret != 0);
}
bool FPGAProgramPart::closeURL() {
disconnectFromServer();
m_url = KURL();
return true;
}
void FPGAProgramPart::disconnectFromServerCallback() {
m_forcedUpdateTimer->stop();
m_updateTimeoutTimer->stop();
}
void FPGAProgramPart::connectionFinishedCallback() {
connect(m_socket, SIGNAL(readyRead()), m_socket, SLOT(processPendingData()));
m_socket->processPendingData();
connect(m_socket, SIGNAL(newDataReceived()), this, SLOT(mainEventLoop()));
m_tickerState = 0;
m_commHandlerState = ModeIdle_StateStatusRequest;
m_commHandlerMode = ModeIdle;
m_socket->setDataTimeout(NETWORK_COMM_TIMEOUT_MS);
m_updateTimeoutTimer->start(NETWORK_COMM_TIMEOUT_MS, TRUE);
processLockouts();
mainEventLoop();
return;
}
void FPGAProgramPart::connectionStatusChangedCallback() {
processLockouts();
}
void FPGAProgramPart::programRunButtonClicked() {
m_commHandlerState = ModeProgramming_StateReadFile;
m_commHandlerMode = ModeProgramming;
processLockouts();
}
void FPGAProgramPart::clearProgrammingLogBox() {
m_base->programmingLogBox->setText("");
}
void FPGAProgramPart::saveProgrammingLogBox() {
TQString saveFileName = KFileDialog::getSaveFileName(TQString::null, "*.txt|Text Files (*.txt)", 0, i18n("Save log file..."));
if (saveFileName != "") {
TQFile file(saveFileName);
if (file.open(IO_WriteOnly)) {
TQCString logFile = m_base->programmingLogBox->text().ascii();
m_programmingFileData = file.writeBlock(logFile.data(), logFile.size());
file.close();
}
else {
KMessageBox::error(0, i18n("<qt>Unable to save log file<p>Please check permissions and try again</qt>"), i18n("Save Failed"));
}
}
}
#define UPDATEDISPLAY_TIMEOUT m_connectionActiveAndValid = false; \
m_tickerState = 0; \
m_commHandlerState = ModeIdle_StateStatusRequest; \
m_commHandlerMode = ModeIdle; \
m_socket->clearIncomingData(); \
setStatusMessage(i18n("Server ping timeout. Please verify the status of your network connection.")); \
m_updateTimeoutTimer->start(NETWORK_COMM_TIMEOUT_MS, TRUE); \
m_connectionMutex->unlock(); \
return;
#define SET_WATCHDOG_TIMER if (!m_updateTimeoutTimer->isActive()) m_updateTimeoutTimer->start(NETWORK_COMM_TIMEOUT_MS, TRUE);
#define PAT_WATCHDOG_TIMER m_updateTimeoutTimer->stop(); m_updateTimeoutTimer->start(NETWORK_COMM_TIMEOUT_MS, TRUE);
#define SET_NEXT_STATE(x) m_commHandlerState = x;
#define EXEC_NEXT_STATE_IMMEDIATELY m_forcedUpdateTimer->start(0, TRUE);
void FPGAProgramPart::setTickerMessage(TQString message) {
m_connectionActiveAndValid = true;
TQString tickerChar;
switch (m_tickerState) {
case 0:
tickerChar = "-";
break;
case 1:
tickerChar = "\\";
break;
case 2:
tickerChar = "|";
break;
case 3:
tickerChar = "/";
break;
}
setStatusMessage(message + TQString("... %1").arg(tickerChar));
m_tickerState++;
if (m_tickerState > 3) {
m_tickerState = 0;
}
}
void FPGAProgramPart::mainEventLoop() {
TQDataStream ds(m_socket);
ds.setPrintableData(true);
if (!m_connectionMutex->tryLock()) {
EXEC_NEXT_STATE_IMMEDIATELY
return;
}
if (m_socket) {
if (m_commHandlerMode == ModeIdle) {
// Normal operation
switch (m_commHandlerState) {
case ModeIdle_StateStatusRequest:
// Get status of remote system
// Clear buffers to synchronize frames in case of data corruption
m_socket->clearIncomingData();
ds << TQString("STATUS");
m_socket->writeEndOfFrame();
SET_NEXT_STATE(ModeIdle_StateProcessStatus)
break;
case ModeIdle_StateProcessStatus:
// Get all data
if (m_socket->canReadFrame()) {
PAT_WATCHDOG_TIMER
TQString status;
ds >> status;
m_socket->clearFrameTail();
if (status == "") {
// Transfer probably failed
UPDATEDISPLAY_TIMEOUT
}
else if (status == "IDLE") {
// Do nothing
}
else if (status == "LOGMESSAGES") {
EXEC_NEXT_STATE_IMMEDIATELY
// Retrieve messages on next event loop
SET_NEXT_STATE(ModeIdle_StateGetLogMessages);
m_commHandlerNextState = ModeIdle_StateDelay;
m_commHandlerNextMode = ModeIdle;
}
setTickerMessage(i18n("Connected"));
if (m_commHandlerState == ModeIdle_StateProcessStatus) {
m_pingDelayTimer->start(250, TRUE);
SET_NEXT_STATE(ModeIdle_StateDelay);
}
}
else {
if (!m_updateTimeoutTimer->isActive()) {
UPDATEDISPLAY_TIMEOUT
}
}
break;
case ModeIdle_StateDelay:
// Let the client and server rest for a bit to lower CPU/network overhead
if (!m_pingDelayTimer->isActive()) {
EXEC_NEXT_STATE_IMMEDIATELY
// Execute query on next event loop
SET_NEXT_STATE(ModeIdle_StateStatusRequest);
}
PAT_WATCHDOG_TIMER
break;
case ModeIdle_StateGetLogMessages:
// Get new log messages
if (m_socket->canReadFrame()) {
PAT_WATCHDOG_TIMER
TQString messages;
ds >> messages;
m_socket->clearFrameTail();
if (messages == "") {
// Transfer probably failed
UPDATEDISPLAY_TIMEOUT
}
else {
m_base->programmingLogBox->append(messages);
m_pingDelayTimer->start(250, TRUE);
SET_NEXT_STATE(m_commHandlerNextState);
m_commHandlerMode = m_commHandlerNextMode;
}
}
else {
if (!m_updateTimeoutTimer->isActive()) {
UPDATEDISPLAY_TIMEOUT
}
}
break;
}
}
else if (m_commHandlerMode == ModeProgramming) {
// Program mode!
if (m_commHandlerState == ModeProgramming_StateReadFile) {
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();
// Busy indicator
m_base->programmingProgressBar->setTotalSteps(0);
m_base->programmingProgressBar->setProgress(0);
// Transmit file to remote server
m_base->programmingStatusLabel->setText(i18n("Sending data to server") + "...");
ds << TQString("FILE");
m_socket->writeEndOfFrame();
m_programmingFileTotalSize = m_programmingFileData.size();
m_programmingFileTransferredBytes = 0;
ds << m_programmingFileTotalSize;
m_socket->writeEndOfFrame();
m_base->programmingProgressBar->setTotalSteps(m_programmingFileTotalSize);
SET_NEXT_STATE(ModeProgramming_StateInitProgramming);
}
else {
KMessageBox::error(0, i18n("<qt>Unable to open selected programming file</qt>"), i18n("Program Failed"));
m_commHandlerMode = ModeIdle;
SET_NEXT_STATE(ModeIdle_StateStatusRequest);
m_base->programmingProgressBar->reset();
processLockouts();
}
PAT_WATCHDOG_TIMER
}
else if (m_commHandlerState == ModeProgramming_StateInitProgramming) {
TQ_ULONG bytesLeft = (m_programmingFileTotalSize-m_programmingFileTransferredBytes);
TQ_ULONG bytesToTransfer = bytesLeft;
TQ_ULONG maxTransferChunk = maximumSocketDataChunkSize();
if (bytesToTransfer > maxTransferChunk) {
bytesToTransfer = maxTransferChunk;
}
m_programmingFileTransferredBytes = m_programmingFileTransferredBytes + m_socket->writeBlock(m_programmingFileData.data()+m_programmingFileTransferredBytes, bytesToTransfer);
m_socket->flush();
m_base->programmingProgressBar->setProgress(m_programmingFileTransferredBytes);
if (m_programmingFileTransferredBytes >= m_programmingFileTotalSize) {
// Initiate programming
m_base->programmingStatusLabel->setText(i18n("Programming device") + "...");
ds << TQString("PROGRAM");
m_socket->writeEndOfFrame();
// Request status
ds << TQString("STATUS");
m_socket->writeEndOfFrame();
// Busy indicator
m_base->programmingProgressBar->setTotalSteps(0);
m_base->programmingProgressBar->setProgress(0);
SET_NEXT_STATE(ModeProgramming_StateWaitForCompletion);
}
else {
setTickerMessage(i18n("Transmitting data"));
EXEC_NEXT_STATE_IMMEDIATELY
}
PAT_WATCHDOG_TIMER
}
else if (m_commHandlerState == ModeProgramming_StateWaitForCompletion) {
// Get response
if (m_socket->canReadFrame()) {
PAT_WATCHDOG_TIMER
TQString result;
ds >> result;
if (result == "PROGRAMMING") {
m_socket->clearFrameTail();
setTickerMessage(i18n("Programming device"));
// Request status
ds << TQString("STATUS");
m_socket->writeEndOfFrame();
}
else if (result == "LOGMESSAGES") {
m_socket->clearFrameTail();
EXEC_NEXT_STATE_IMMEDIATELY
// Retrieve messages on next event loop
SET_NEXT_STATE(ModeIdle_StateGetLogMessages);
m_commHandlerMode = ModeIdle;
m_commHandlerNextState = ModeProgramming_StateRequestStatus;
m_commHandlerNextMode = ModeProgramming;
}
else if (result == "DONE") {
TQ_INT32 retCode;
TQString log;
ds >> retCode;
m_socket->clearFrameTail();
if (retCode != 0) {
// Error!
m_commHandlerMode = ModeIdle;
SET_NEXT_STATE(ModeIdle_StateStatusRequest);
EXEC_NEXT_STATE_IMMEDIATELY
m_base->programmingProgressBar->reset();
KMessageBox::error(0, i18n("<qt>Programming process failure<p>Please see log for details</qt>"), i18n("Program Failed"));
processLockouts();
}
else {
// Done!
m_commHandlerMode = ModeIdle;
SET_NEXT_STATE(ModeIdle_StateStatusRequest);
EXEC_NEXT_STATE_IMMEDIATELY
m_base->programmingProgressBar->reset();
processLockouts();
}
}
else if (result == "ERROR") {
// Error!
m_socket->clearFrameTail();
m_commHandlerMode = ModeIdle;
SET_NEXT_STATE(ModeIdle_StateStatusRequest);
EXEC_NEXT_STATE_IMMEDIATELY
m_base->programmingProgressBar->reset();
KMessageBox::error(0, i18n("<qt>Unknown error</qt>"), i18n("Program Failed"));
processLockouts();
}
else {
// Unknown response
// Request status
m_socket->clearFrameTail();
ds << TQString("STATUS");
m_socket->writeEndOfFrame();
}
}
else {
if (!m_updateTimeoutTimer->isActive()) {
m_commHandlerMode = ModeIdle;
SET_NEXT_STATE(ModeIdle_StateStatusRequest);
EXEC_NEXT_STATE_IMMEDIATELY
m_base->programmingProgressBar->reset();
processLockouts();
UPDATEDISPLAY_TIMEOUT
}
}
}
else if (m_commHandlerState == ModeProgramming_StateRequestStatus) {
// Request status
ds << TQString("STATUS");
m_socket->writeEndOfFrame();
SET_NEXT_STATE(ModeProgramming_StateWaitForCompletion);
PAT_WATCHDOG_TIMER
}
}
SET_WATCHDOG_TIMER
}
else {
SET_NEXT_STATE(ModeIdle_StateStatusRequest);
m_commHandlerMode = ModeIdle;
}
m_connectionMutex->unlock();
}
TDEAboutData* FPGAProgramPart::createAboutData() {
return new TDEAboutData( APP_NAME, I18N_NOOP( APP_PRETTYNAME ), APP_VERSION );
}
} //namespace RemoteLab
#include "part.moc"
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