MainWindow::~MainWindow()
{
delete ui;
deleteProcess();
if(socket_)
socket_->deleteLater();
}
/*===================================================
Class Player.
====================================================*/
Player::Player(QObject *parent)
:QObject(parent), m_is_started(false), m_is_alive(false), m_process(NULL) {
//Set up the QProcess deletion timer.
m_processDeletionTimer = new QTimer(this);
m_processDeletionTimer->setSingleShot(true);
QObject::connect(m_processDeletionTimer, SIGNAL(timeout()), this, SLOT(deleteProcess()));
}
void ChildForm::runProcess()
{
RunProcessDialog rpd(this);
// If the process failed to start, then it
// cannot be deleted from the processError call
// because it may be called from within the call to
// _proc->start()... so _proc cannot be deleted...
if ((_proc != nullptr) && (_procError == true))
{
deleteProcess();
}
if (_proc == nullptr)
{
if (rpd.exec() == RunProcessDialog::Accepted)
{
_procError = false;
_redirectStdout = rpd.isStdoutRedirected();
_redirectStderr = rpd.isStderrRedirected();
_proc = new QProcess(this);
connect(_proc, SIGNAL(readyReadStandardOutput()), this, SLOT(readFromStdout()));
connect(_proc, SIGNAL(readyReadStandardError()), this, SLOT(readFromStderr()));
connect(_proc, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
connect(_proc, SIGNAL(finished(int,QProcess::ExitStatus)), this,
SLOT(processDone(int,QProcess::ExitStatus)));
_proc->setWorkingDirectory(rpd.getWorkingDirectory());
QStringList args = rpd.getArguments();
suppressOutput(rpd.isOutputSuppressed());
MainWindow::getMainWindow()->swapProcessIcon(true);
_proc->start(rpd.getProgram(), args);
}
}
static int replyHandler(ExHttp *pHttp)
{
int rType ;
int ret = -1 ;
rType = checkpath( pHttp ) ;
if ( strcmp( pHttp->method, "PUT" )==0 )
ret = putProcess( pHttp, rType ) ;
else if ( *pHttp->method=='D' )
ret = deleteProcess( pHttp, rType ) ;
else {
switch ( rType ) {
case 0: /* static file */
ret = staticProcess( pHttp ) ;
break ;
case 1: /* dyanamic page: '.cgi' extension */
ret = cgiProcess( pHttp ) ;
break ;
default:
ex_error_reply( pHttp, rType ) ;
}
}
clearHttp( pHttp ) ;
return ret ;
}
GuiEditBoundaryConditions::GuiEditBoundaryConditions()
{
connect(m_Ui.pushButtonAdd, SIGNAL(clicked()), this, SLOT(addVol()));
connect(m_Ui.pushButtonDelete, SIGNAL(clicked()), this, SLOT(delVol()));
connect(m_Ui.pushButtonAddBoundaryType, SIGNAL(clicked()), this, SLOT(addBoundaryType()));
connect(m_Ui.pushButtonDeleteBoundaryType, SIGNAL(clicked()), this, SLOT(deleteBoundaryType()));
connect(m_Ui.listWidgetBoundaryType, SIGNAL(itemSelectionChanged()), this, SLOT(changePhysicalValues()));
connect(m_Ui.pushButton_AddProcess, SIGNAL(clicked()), this, SLOT(addProcess()));
connect(m_Ui.pushButton_RemoveProcess, SIGNAL(clicked()), this, SLOT(deleteProcess()));
connect(m_Ui.pushButton_ImportHostFile, SIGNAL(clicked()), this, SLOT(importHostFile()));
connect(m_Ui.pushButton_ExportHostFile, SIGNAL(clicked()), this, SLOT(exportHostFile()));
connect(m_Ui.pushButtonAllA, SIGNAL(clicked()), this, SLOT(allA()));
connect(m_Ui.pushButtonAllB, SIGNAL(clicked()), this, SLOT(allB()));
connect(m_Ui.pushButtonAllOff, SIGNAL(clicked()), this, SLOT(allOff()));
setupSolvers();
loadMpiParameters();
m_BcMap = NULL;
delegate = new GuiVolumeDelegate();
delegate->setFirstCol(3);
//set initial tab
m_Ui.tabWidget->setCurrentIndex(0);
}
void processCleanup(void) {
dictIterator *di = dictGetIterator(server.process);
dictEntry *de;
while ((de = dictNext(di)) != NULL) {
struct ProcessInfo *p = dictGetEntryVal(de);
if (p->time_stamp != g_time) deleteProcess(p->pid);
}
dictReleaseIterator(di);
}
void ChatSession::executeShellCommand(const QString& com) {
// if (!proc->isRunning()) {
proc = new QProcess(this);
QStringList list = QStringList::split(" ",com);
proc->setArguments(list);
proc->start();
connect(proc, SIGNAL(processExited()),
this, SLOT(deleteProcess()));
// }
}
/*Implementierung des FCFS
head:Kopfelement der Liste der Prozesse
current:aktuelles Element
tStep:aktueller Zeitschritt
*/
LINK fcfs(LINK head,LINK current,int tStep)
{
updateProcess(current,tStep);
/*TODO: Implementieren Sie den First Come First Serve Algorithmus
Beachten Sie den Rueckgabewert der deleteProcess Methode
*/
if(current->sTime <= 0){
current = deleteProcess(current);
}
return current;
}
LINK roundRobin(LINK head,LINK current,int tStep)
{
updateProcess(current,tStep);
/*TODO: Implementieren Sie den Round Robin Algorithmus
Unterscheiden Sie die Faelle, falls der Prozess fertig ist
oder eben noch nicht.
*/
//nachgucken, ob der Prozess fertig ist und falls ja loeschen
if(current->sTime<=0){
deleteProcess(current);
}
current = current->next;
return current;
}
/*Implementierung des spn
head:Kopfelement der Liste der Prozesse
current:aktuelles Element
tStep:aktueller Zeitschritt
*/
LINK spn(LINK head,LINK current,int tStep)
{
updateProcess(current,tStep);
/*TODO: Implementieren Sie die Shortest Job Next Algorithmus
Nutzen Sie die untere Hilfsfunktion!
*/
//ueberpruefen, ob der Prozess fertig ist
if(current->sTime <= 0){
deleteProcess(current);
//nach dem naechsten kuerzesten Prozess gucken
current = findShortestPr(head);
}
return current;
}
void MainWindow::on_create_local_server_clicked()
{
deleteProcess();
server_name_ = ui->server_name->text();
if(server_name_.isEmpty())
{
qCritical()<<"Please input a server name";
return;
}
QStringList param_list;
param_list<<server_name_;
process_ = new QProcess(this);
process_->start(SERVER_BIN, param_list);
connect(process_, SIGNAL(started()), this, SLOT(slotProcessStarted()));
connect(process_, SIGNAL(error(QProcess::ProcessError)),
this, SLOT(slotProcessHasError(QProcess::ProcessError)));
}
int main(void)
{
LINK next = 0;
LINK head = 0;
/*TODO:head initialisieren*/
head = (LINK)malloc(sizeof(PROCESS));
head->pId = 0;
head->next = head;
head->prev = head;
readProcesses(head);
while(head->next!=head)
{
printList(head);
next=findNextProcess(head);
deleteProcess(next);
}
return 0;
}
/* Set up links between parents, children and siblings */
int touchupProcs () {
struct Process *proc;
struct Process *pproc;
for (proc = first_process; proc->next_process; proc = proc->next_process) {
/* Dummy process only used for finding siblings to init, like kthreadd */
if (proc->pid == 0) {
continue;
}
pproc = getProcByPid(proc->ppid);
if (pproc) {
addChildProc(pproc, proc);
}
}
/* Siblings added, don't need the dummy anymore */
deleteProcess(first_process);
return 0;
}
void TgtProcessIntf::processDone(int, QProcess::ExitStatus)
{
deleteProcess();
}
TgtProcessIntf::~TgtProcessIntf()
{
tgtDisconnect();
deleteProcess();
}
void
WriteHandle::deferredDeleteProcess(ProcessId processId)
{
scheduler.schedule(PROCESS_DELETE_TIME, [=] { deleteProcess(processId); });
}
int main(int argc, char *argv[])
{
//Initialize variables to be used later
simulatorStructure simulator;
taskInfoBlock test;
processControlBlock *process = NULL, *currentProcess = NULL, *tempPCB = NULL;
interrupted = 0;
int maxTimeProcessing = 0;
List log;
char logBuffer [100];
FILE *output;
ListNode *tempNode = NULL;
// initializes log to print info to
// log will print to file or terminal -at the end of the program- depending on the config file
init(&log);
// Check if configuration file isn't provided
if(argc != 2)
{
// Display error
puts("Error: Invalid parameters");
// End program with error
return 1;
}
// Read into simulator configuration struct
// Check if getting simulator configuration failed
if(!getSimulatorConfiguration(&simulator, argv[1]))
{
// Display error
puts("Error: Invalid configuration file");
// End program with error
return 1;
}
// assign maximum allowed processing time from the simulator configuration
maxTimeProcessing = (simulator.quantum * simulator.processorCycleTime * 1000);
// Create process queue
// Check if creating process queue failed
if(!createProcessQueue(&process, simulator.processFilePath))
{
// Display error
puts("Error: Failed to create job queue");
// End program with error
return 1;
}
// Set current process
currentProcess = &process[0];
// begin writing to log
insert(&log, "System Start 0 (microsec)\n");
// Begin Simulation Loop and go until no processes remain
while(currentProcess != NULL)
{
// Set process's arrival time if not already set
if(currentProcess->arrivalTime == 0)
{
currentProcess->arrivalTime = time(NULL);
}
// if a thread throws an interrupt
if(interrupted == 1)
{
tempPCB = currentProcess;
//search for the process whose I/O just finished
while(tempPCB->ioInterrupted == false)
{
tempPCB = tempPCB->nextPCB;
}
//reset Finished and Interrupted so that the process can continue being processed
tempPCB->ioFinished = true;
tempPCB->ioInterrupted = false;
//reset interrupt flag
interrupted = 0;
}
//Process current task by busy waiting
// if not blocked for I/O wait, continue to process next job
if( currentProcess->ioFinished && currentProcess->currentJob < currentProcess->numberOfJobs)
{
// if a process has a CPU operation
if(currentProcess->jobs[currentProcess->currentJob].operation == 'P')
{
// Sleep
//if the quantum time is less than the remaining job time, take the entire quantum
if(simulator.quantum < currentProcess->jobs[currentProcess->currentJob].cyclesRemaining)
{
//write to log
sprintf(logBuffer, "PID %d: CPU Process %d (microsec)", currentProcess->pid, maxTimeProcessing);
insert(&log, logBuffer);
//sleep for maximum time
usleep(maxTimeProcessing);
// Subtract quantum time from process
currentProcess->timeRemaining -= simulator.quantum;
currentProcess->jobs[currentProcess->currentJob].cyclesRemaining -= simulator.quantum;
}
//if the quantum is greater than required time, finish the job
else
{
// write to log
sprintf(logBuffer, "PID %d: CPU Process %d (microsec)", currentProcess->pid, currentProcess->jobs[currentProcess->currentJob].cyclesRemaining * simulator.processorCycleTime * 1000);
insert(&log, logBuffer);
// sleep for remaining job time
usleep(currentProcess->jobs[currentProcess->currentJob].cyclesRemaining * simulator.processorCycleTime * 1000);
// Subtract time run from process
currentProcess->timeRemaining -= currentProcess->jobs[currentProcess->currentJob].cyclesRemaining;
currentProcess->jobs[currentProcess->currentJob].cyclesRemaining -= currentProcess->jobs[currentProcess->currentJob].cyclesRemaining;
}
}
// if a process has an I/O operation
else
{
// output to log
sprintf(logBuffer, "PID %d: Began %s I/O Process", currentProcess->pid, currentProcess->jobs[currentProcess->currentJob].name);
insert(&log, logBuffer);
// set ioFinished to false so this process will be skipped in the queue
currentProcess->ioFinished = false;
// write reassurance the program is working to the terminal
printf("Working...\n");
currentProcess->threadBeingCreated = true;
// create thread
threadCreate(¤tProcess, simulator, &log);
// wait for thread to finish creating itself
// weird errors happen to process if not made to wait for thread creation
while(currentProcess->threadBeingCreated);
}
}
//If the currentProcess's job is finished, delete it
if( currentProcess->jobs[currentProcess->currentJob].cyclesRemaining <= 0 )
{
if(currentProcess->currentJob < currentProcess->numberOfJobs)
{
currentProcess->currentJob++;
}
}
//Delete the process if it is done
if( currentProcess->timeRemaining <= 0 && currentProcess->ioInterrupted == false && currentProcess->ioFinished == true)
{
sprintf(logBuffer, "PID %d: finished", currentProcess->pid);
insert(&log, logBuffer);
currentProcess = deleteProcess( currentProcess );
}
//Get the next process, context switch
//context switches do not get printed because they happen so many times in larger processes that it takes up the entire log file
else
{
setCurrentProcess(¤tProcess, simulator);
}
}
//last log output
insert(&log, "\nSystem End 0 (microsec)");
//Print output to monitor if specified by the configuration file
if(strcmp(simulator.logType, "Log to Monitor") == 0 || strcmp(simulator.logType, "Log to Both") == 0)
{
print(&log);
}
//Print output to log file if specified by the configuration file
if(strcmp(simulator.logType, "Log to File") == 0 || strcmp(simulator.logType, "Log to Both") == 0)
{
//Open the output log file
output = fopen("Log.txt", "w");
//Check to see that the linked list is not empty
if(!empty(&log))
{
//Print the first node
tempNode = log.head;
fprintf(output, "%s\n", tempNode->dataItem);
//Iterate through the linked list
while(tempNode->next != 0)
{
//Go to the next node
tempNode = tempNode->next;
//Print the next node
fprintf(output, "%s\n", tempNode->dataItem);
}
}
//Close the output file
fclose(output);
}
// Free memory
free(simulator.version);
free(simulator.processorScheduling);
free(simulator.processFilePath);
free(simulator.memoryType);
free(simulator.logType);
//End the program
return 0;
}
void ChildForm::closeEvent(QCloseEvent*)
{
deleteProcess();
emit closeWindowSignal();
}
void TgtProcessIntf::closeEvent(QCloseEvent*)
{
deleteProcess();
}
void MainWindow::slotProcessHasError(const QProcess::ProcessError & process_error)
{
qDebug()<<"Process has error: [ error"<<process_error<<"]";
deleteProcess();
}
