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//===========================================
// Lumina-Desktop source code
// Copyright (c) 2016, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "imgDialog.h"
#include "ui_imgDialog.h"
#include <QMessageBox>
#include <LuminaOS.h>
#include <LuminaXDG.h>
#include <unistd.h>
#include <sys/types.h>
#include <signal.h>
imgDialog::imgDialog(QWidget *parent) : QDialog(parent), ui(new Ui::imgDialog()){
ui->setupUi(this); //load the designer form
QString title = tr("Burn IMG to Device");
if( getuid()==0){ title.append(" ("+tr("Admin Mode")+")"); }
this->setWindowTitle(title);
ui->frame_running->setVisible(false);
ui->frame_setup->setVisible(true);
ddProc = 0;
unitdiv = 1;
//Setup the signals/slots
ui->tool_refresh->setIcon( LXDG::findIcon("view-refresh","drive-removable-media-usb-pendrive") );
connect(ui->push_cancel, SIGNAL(clicked()), this, SLOT(cancel()) );
connect(ui->push_start, SIGNAL(clicked()), this, SLOT(start_process()) );
connect(ui->tool_refresh, SIGNAL(clicked()), this, SLOT(loadDeviceList()) );
loadDeviceList(); //do the initial load of the available devices
//Setup the possible transfer rate units
ui->combo_rate_units->clear();
ui->combo_rate_units->addItem(tr("Kilobyte(s)"), "k");
ui->combo_rate_units->addItem(tr("Megabyte(s)"), "m");
ui->combo_rate_units->addItem(tr("Gigabyte(s)"), "g");
ui->combo_rate_units->setCurrentIndex(1); //MB
//Setup the Process Timer
procTimer = new QTimer(this);
procTimer->setInterval(1000); //1 second updates
connect(procTimer, SIGNAL(timeout()), this, SLOT(getProcStatus()) );
//Determine which type of system this is for the process status signal
BSD_signal = LOS::OSName().contains("BSD"); //assume everything else is Linux-like
}
imgDialog::~imgDialog(){
}
void imgDialog::loadIMG(QString filepath){
ui->label_iso->setText(filepath.section("/",-1)); //only show the filename
ui->label_iso->setWhatsThis(filepath); //save the full path for later
}
//============================
// PRIVATE SLOTS
//============================
void imgDialog::start_process(){
//Sanity Checks
if( !QFile::exists(ui->combo_devices->currentData().toString()) ){ loadDeviceList(); return; } //USB device no longer available
if(!QFile::exists(ui->label_iso->whatsThis()) ){ return; } //IMG file no longer available
qDebug() << "Start Process...";
//Read the size of the img file
QString units = ui->combo_rate_units->currentData().toString();
if(units=="k"){ unitdiv = 1024; }
else if(units=="m"){ unitdiv = 1024*1024; }
else if(units=="g"){ unitdiv = 1024*1024*1024; }
qint64 bytes = QFileInfo(ui->label_iso->whatsThis()).size();
//qDebug() << "IMG File size:" << bytes;
//Set the progressBar maximum
ui->progressBar->setRange(0, qRound(bytes/unitdiv) );
ui->progressBar->setValue(0);
ui->label_dev->setText( ui->combo_devices->currentText() );
ui->label_time->setText("0:00");
ui->frame_running->setVisible(true);
ui->frame_setup->setVisible(false);
//qDebug() << "Blocks:" << ui->progressBar->maximum();
//Initialize the process
if(ddProc==0){
ddProc = new QProcess(this);
connect(ddProc, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(procFinished()) );
connect(ddProc, SIGNAL(readyRead()), this, SLOT(procInfoAvailable()) );
ddProc->setProcessChannelMode(QProcess::MergedChannels);
}
//Generate the command
QString prog; QStringList args;
//if( ::getuid()!=0){ prog = "qsudo"; args<<"dd"; }
//else{
prog = "dd";
//}
args << "if="+ui->label_iso->whatsThis();
args << "of="+ui->combo_devices->currentData().toString();
args << "bs="+QString::number(ui->spin_rate_num->value())+units;
if(ui->check_sync->isChecked()){ args << "conv=sync"; }
//Start the process
startTime = QDateTime::currentDateTime();
ddProc->start(prog, args);
//Start the timer to watch for updates
procTimer->start();
ui->push_start->setEnabled(false);
}
void imgDialog::cancel(){
if(ddProc==0 || ddProc->state()==QProcess::NotRunning){
this->close();
}else{
//Prompt if the transfer should be cancelled
if(QMessageBox::Yes == QMessageBox::question(this, tr("Cancel Image Burn?"), tr("Do you wish to stop the current IMG burn process?")+"\n\n"+tr("Warning: This will leave the USB device in an inconsistent state")) ){
ddProc->kill();
}
}
}
void imgDialog::loadDeviceList(){
ui->combo_devices->clear();
//Probe the system for USB devices
QDir devDir("/dev");
QString filter = (BSD_signal) ? "da*" : "sd*";
QStringList usb = devDir.entryList(QStringList() << filter, QDir::System, QDir::Name);
//Filter out any devices which are currently mounted/used
//Create the list
for(int i=0; i<usb.length(); i++){
ui->combo_devices->addItem(usb[i], devDir.absoluteFilePath(usb[i]));
}
}
void imgDialog::getProcStatus(){
if(ddProc==0 || ddProc->state()!=QProcess::Running ){ return; }
QStringList pidlist = LUtils::getCmdOutput("pgrep -S -f \"dd if="+ui->label_iso->whatsThis()+"\"");
if(pidlist.isEmpty()){ return; }
int pid = pidlist.first().simplified().toInt(); //just use the first pid - the pgrep should be detailed enough to only match one
//qDebug() << "Sending signal to show status on PID:" << pid;
if(BSD_signal){ ::kill(pid, SIGINFO); } //On BSD systems, the INFO signal is used to poke dd for status updates
else{ ::kill(pid, SIGUSR1); } //On linux systems, the USR1 signal is used to poke dd for status updates
//Now update the elapsed time on the UI
int elapsed = startTime.secsTo( QDateTime::currentDateTime() );
int min = elapsed/60;
int secs = elapsed%60;
ui->label_time->setText( QString::number(min)+":"+ (secs < 10 ? "0" : "")+QString::number(secs) );
}
void imgDialog::procInfoAvailable(){
lastmsg = ddProc->readAll();
if(lastmsg.endsWith("\n")){ lastmsg.chop(1); }
//qDebug() << "Got Process Info:" << lastmsg;
//Now look for the " bytes transferred" line
QStringList records = lastmsg.split("\n").filter(" bytes transferred ");
if(!records.isEmpty()){
//Update the progress bar
//qDebug() << "Got status update:" << records.last();
ui->progressBar->setValue( qRound(records.last().section(" bytes",0,0).toDouble()/unitdiv) );
}
}
void imgDialog::procFinished(){
qDebug() << "Process Finished:" << ddProc->exitCode();
procTimer->stop();
ui->frame_running->setVisible(false);
ui->frame_setup->setVisible(true);
if(ddProc->exitStatus()==QProcess::NormalExit){
if(ddProc->exitCode() !=0 ){
if(lastmsg.contains("permission denied", Qt::CaseInsensitive) && LUtils::isValidBinary("qsudo") ){
if(QMessageBox::Yes == QMessageBox::question(this, tr("Administrator Permissions Needed"), tr("This operation requires administrator priviledges.")+"\n\n"+tr("Would you like to enable these priviledges?"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes) ){
QProcess::startDetached("qsudo", QStringList() << "lumina-archiver" << "--burn-img" << ui->label_iso->whatsThis());
exit(0);
}
}else{
QMessageBox::warning(this, tr("ERROR"), tr("The process could not be completed:")+"\n\n"+lastmsg);
}
}else{
QMessageBox::information(this, tr("SUCCESS"), tr("The image was successfully burned to the USB device") );
this->close();
}
}
}
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