Готовые отчеты / ОСиС. Лабораторная работа 10

};

#endif // MAINWINDOW_H

Таблица 14 — Файл mainwindow.cpp

#include "mainwindow.h" #include "abstract_paging.h" #include "clock_paging.h" #include "fifo_paging.h" #include "lfu_paging.h" #include "lru_paging.h" #include "reverselru_paging.h" #include "ui_mainwindow.h" #include <QMessageBox> #include <memory>

MainWindow::MainWindow(QWidget *parent)

: QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this);

}

MainWindow::~MainWindow() { delete ui; }

void MainWindow::on_startButton_clicked() { ui->statusBar->showMessage(""); std::unique_ptr<AbstractPaging> paging; if (ui->clockButton->isChecked()) {

paging = std::unique_ptr<AbstractPaging>(

new ClockPaging(ui->frameCountSpin->value()));

}else if (ui->fifoButton->isChecked()) { paging = std::unique_ptr<AbstractPaging>(

new FifoPaging(ui->frameCountSpin->value()));

}else if (ui->lfuButton->isChecked()) {

paging = std::unique_ptr<AbstractPaging>(

new LfuPaging(ui->frameCountSpin->value()));

}else if (ui->lruButton->isChecked()) { paging = std::unique_ptr<AbstractPaging>(

new LruPaging(ui->frameCountSpin->value()));

}else {

paging = std::unique_ptr<AbstractPaging>(

new ReverseLruPaging(ui->frameCountSpin->value()));

}

QStringList stringList = ui->referLine->text().split(QRegExp("[.,;\\s] +"));

ui->resultWidget->clear();

for (QString string : stringList) { bool isOk = true;

int page = string.toInt(&isOk); if (isOk == false) {

QMessageBox::critical(this, "Ошибка",

"Ошибка при чтении ссылочной строки"); ui->resultWidget->clear();

return;

}

int pageFaultCountBefore = paging->getPageFaultCount(); paging->refer(page);

int pageFaultCountAfter = paging->getPageFaultCount(); QString resultLine = QString::number(page) + ": "; const std::list<int> list = paging->getList();

for (auto page : list) {

resultLine += QString::number(page) + ", ";

}

resultLine.chop(2);

if (pageFaultCountBefore != pageFaultCountAfter) {

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resultLine += " [отказ страницы]";

}

ui->resultWidget->addItem(resultLine);

};

ui->statusBar->showMessage("Число отказов страниц: " + QString::number(paging->getPageFaultCount()));

}

void MainWindow::on_infoButton_clicked() { QMessageBox::information(this, "Информация",

"Программа для моделирования стратегий замещения" "страниц в оперативной памяти.\nАвтор: Коваленко" "Леонид (ИКПИ-85).\n");

}

Таблица 15 — Файл main.cpp

#include "mainwindow.h" #include <QApplication>

int main(int argc, char *argv[]) { QApplication a(argc, argv); MainWindow w;

w.show(); return a.exec();

}

Таблица 16 — Файл mainwindow.ui

<?xml version="1.0" encoding="UTF-8"?><ui version="4.0"><class>MainWindow</class><widget class="QMainWindow" name="MainWindow"><property name="geometry"><rect><x>0</x><y>0</y><width>390</width><height>370</ height></rect></property><property name="sizePolicy"><sizepolicy hsizetype="Expanding" vsizetype="Expanding"><horstretch>0</horstretch><verstretch>0</verstretch></ sizepolicy></property><property name="minimumSize"><size><width>390</width><height>370</height></size></ property><property name="maximumSize"><size><width>390</width><height>370</height></size></ property><property name="windowTitle"><string>Моделирование</string></property><widget class="QWidget" name="centralWidget"><widget class="QListWidget" name="resultWidget"><property name="geometry"><rect><x>10</x><y>125</y><width>370</width><height>220</ height></rect></property><property name="editTriggers"><set>QAbstractItemView::NoEditTriggers</set></ property><property name="defaultDropAction"><enum>Qt::IgnoreAction</enum></property></ widget><widget class="QLineEdit" name="referLine"><property name="geometry"><rect><x>200</x><y>10</y><width>180</width><height>27</ height></rect></property><property name="text"><string>1 2 3 1 2 3 1 2 3 4 5</string></property></widget><widget class="QLabel" name="label"><property name="geometry"><rect><x>10</x><y>13</y><width>180</width><height>20</ height></rect></property><property name="text"><string>Ссылочная строка:</string></property><property name="alignment"><set>Qt::AlignCenter</set></property></widget><widget class="QRadioButton" name="fifoButton"><property name="geometry"><rect><x>10</x><y>70</y><width>70</width><height>25</ height></rect></property><property name="text"><string>FIFO</string></property><property name="checked"><bool>true</bool></property></widget><widget class="QRadioButton" name="reverseLRUButton"><property name="geometry"><rect><x>80</x><y>70</y><width>121</width><height>25</

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height></rect></property><property name="text"><string>ReverseLRU</string></property></widget><widget class="QPushButton" name="startButton"><property name="geometry"><rect><x>200</x><y>70</y><width>180</width><height>25</ height></rect></property><property name="text"><string>Начать</string></property></widget><widget class="QLabel" name="label_2"><property name="geometry"><rect><x>10</x><y>43</y><width>180</width><height>20</ height></rect></property><property name="text"><string>Число страниц:</string></property><property name="alignment"><set>Qt::AlignCenter</set></property></widget><widget class="QSpinBox" name="frameCountSpin"><property name="geometry"><rect><x>200</x><y>40</y><width>180</width><height>27</ height></rect></property><property name="alignment"><set>Qt::AlignCenter</set></property><property name="minimum"><number>1</number></property><property name="maximum"><number>1000</number></property><property name="singleStep"><number>1</number></property><property name="value"><number>3</number></property></widget><widget class="QRadioButton" name="clockButton"><property name="geometry"><rect><x>10</x><y>95</y><width>70</width><height>25</ height></rect></property><property name="text"><string>Clock</string></property><property name="checked"><bool>false</bool></property></widget><widget class="QRadioButton" name="lfuButton"><property name="geometry"><rect><x>140</x><y>95</y><width>60</width><height>25</ height></rect></property><property name="text"><string>LFU</string></property></widget><widget class="QRadioButton" name="lruButton"><property name="geometry"><rect><x>80</x><y>95</y><width>60</width><height>25</ height></rect></property><property name="text"><string>LRU</string></property></widget><widget class="QPushButton" name="infoButton"><property name="geometry"><rect><x>200</x><y>95</y><width>180</width><height>25</ height></rect></property><property name="text"><string>Информация</string></property></widget></widget><widget class="QStatusBar" name="statusBar"/></widget><layoutdefault spacing="6" margin="11"/><resources/><connections/></ui>

Заключение В результате выполнения лабораторной работы мы разработали

программу, моделирующую стратегии замещения страниц в оперативной памяти.

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