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https://github.com/RGBCube/serenity
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ProcessManager: Rename it to SystemMonitor
This is a more appropriate name now that it does a lot more than just manage processes ^)
This commit is contained in:
Sergey Bugaev
Andreas Kling
parent
c7040cee62
commit
cbdda91065
23 changed files with 9 additions and 9 deletions
260
Applications/SystemMonitor/main.cpp
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260
Applications/SystemMonitor/main.cpp
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#include "GraphWidget.h"
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#include "MemoryStatsWidget.h"
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#include "NetworkStatisticsWidget.h"
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#include "ProcessFileDescriptorMapWidget.h"
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#include "ProcessMemoryMapWidget.h"
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#include "ProcessStacksWidget.h"
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#include "ProcessTableView.h"
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#include <LibCore/CTimer.h>
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#include <LibDraw/PNGLoader.h>
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#include <LibGUI/GAction.h>
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#include <LibGUI/GApplication.h>
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#include <LibGUI/GBoxLayout.h>
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#include <LibGUI/GGroupBox.h>
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#include <LibGUI/GJsonArrayModel.h>
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#include <LibGUI/GLabel.h>
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#include <LibGUI/GMenuBar.h>
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#include <LibGUI/GSortingProxyModel.h>
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#include <LibGUI/GSplitter.h>
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#include <LibGUI/GTabWidget.h>
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#include <LibGUI/GToolBar.h>
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#include <LibGUI/GWidget.h>
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#include <LibGUI/GWindow.h>
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#include <signal.h>
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#include <stdio.h>
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#include <unistd.h>
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static String human_readable_size(u32 size)
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{
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if (size < (64 * KB))
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return String::format("%u", size);
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if (size < MB)
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return String::format("%u KB", size / KB);
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if (size < GB)
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return String::format("%u MB", size / MB);
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return String::format("%u GB", size / GB);
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}
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static GWidget* build_file_systems_tab();
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int main(int argc, char** argv)
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{
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GApplication app(argc, argv);
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auto* keeper = new GWidget;
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keeper->set_layout(make<GBoxLayout>(Orientation::Vertical));
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keeper->set_fill_with_background_color(true);
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keeper->set_background_color(Color::WarmGray);
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keeper->layout()->set_margins({ 4, 4, 4, 4 });
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auto* tabwidget = new GTabWidget(keeper);
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auto* process_container_splitter = new GSplitter(Orientation::Vertical, nullptr);
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tabwidget->add_widget("Processes", process_container_splitter);
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auto* process_table_container = new GWidget(process_container_splitter);
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auto* graphs_container = new GWidget;
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graphs_container->set_fill_with_background_color(true);
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graphs_container->set_background_color(Color::WarmGray);
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graphs_container->set_layout(make<GBoxLayout>(Orientation::Vertical));
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graphs_container->layout()->set_margins({ 4, 4, 4, 4 });
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auto* cpu_graph_group_box = new GGroupBox("CPU usage", graphs_container);
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cpu_graph_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
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cpu_graph_group_box->layout()->set_margins({ 6, 16, 6, 6 });
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cpu_graph_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
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cpu_graph_group_box->set_preferred_size(0, 120);
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auto* cpu_graph = new GraphWidget(cpu_graph_group_box);
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cpu_graph->set_max(100);
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cpu_graph->set_text_color(Color::Green);
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cpu_graph->set_graph_color(Color::from_rgb(0x00bb00));
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cpu_graph->text_formatter = [](int value, int) {
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return String::format("%d%%", value);
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};
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auto* memory_graph_group_box = new GGroupBox("Memory usage", graphs_container);
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memory_graph_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
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memory_graph_group_box->layout()->set_margins({ 6, 16, 6, 6 });
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memory_graph_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
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memory_graph_group_box->set_preferred_size(0, 120);
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auto* memory_graph = new GraphWidget(memory_graph_group_box);
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memory_graph->set_text_color(Color::Cyan);
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memory_graph->set_graph_color(Color::from_rgb(0x00bbbb));
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memory_graph->text_formatter = [](int value, int max) {
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return String::format("%d / %d KB", value, max);
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};
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tabwidget->add_widget("Graphs", graphs_container);
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tabwidget->add_widget("File systems", build_file_systems_tab());
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auto* network_stats_widget = new NetworkStatisticsWidget(nullptr);
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tabwidget->add_widget("Network", network_stats_widget);
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process_table_container->set_layout(make<GBoxLayout>(Orientation::Vertical));
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process_table_container->layout()->set_margins({ 4, 0, 4, 4 });
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process_table_container->layout()->set_spacing(0);
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auto* toolbar = new GToolBar(process_table_container);
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toolbar->set_has_frame(false);
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auto* process_table_view = new ProcessTableView(*cpu_graph, process_table_container);
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auto* memory_stats_widget = new MemoryStatsWidget(*memory_graph, graphs_container);
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auto* refresh_timer = new CTimer(1000, [&] {
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process_table_view->refresh();
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memory_stats_widget->refresh();
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});
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auto kill_action = GAction::create("Kill process", GraphicsBitmap::load_from_file("/res/icons/kill16.png"), [process_table_view](const GAction&) {
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pid_t pid = process_table_view->selected_pid();
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if (pid != -1)
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kill(pid, SIGKILL);
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});
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auto stop_action = GAction::create("Stop process", GraphicsBitmap::load_from_file("/res/icons/stop16.png"), [process_table_view](const GAction&) {
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pid_t pid = process_table_view->selected_pid();
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if (pid != -1)
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kill(pid, SIGSTOP);
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});
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auto continue_action = GAction::create("Continue process", GraphicsBitmap::load_from_file("/res/icons/continue16.png"), [process_table_view](const GAction&) {
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pid_t pid = process_table_view->selected_pid();
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if (pid != -1)
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kill(pid, SIGCONT);
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});
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toolbar->add_action(kill_action);
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toolbar->add_action(stop_action);
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toolbar->add_action(continue_action);
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auto menubar = make<GMenuBar>();
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auto app_menu = make<GMenu>("System Monitor");
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app_menu->add_action(GAction::create("Quit", { Mod_Alt, Key_F4 }, [](const GAction&) {
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GApplication::the().quit(0);
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return;
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}));
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menubar->add_menu(move(app_menu));
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auto process_menu = make<GMenu>("Process");
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process_menu->add_action(kill_action);
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process_menu->add_action(stop_action);
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process_menu->add_action(continue_action);
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menubar->add_menu(move(process_menu));
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auto process_context_menu = make<GMenu>("Process context menu");
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process_context_menu->add_action(kill_action);
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process_context_menu->add_action(stop_action);
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process_context_menu->add_action(continue_action);
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process_table_view->on_context_menu_request = [&](const GModelIndex& index, const GContextMenuEvent& event) {
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(void)index;
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process_context_menu->popup(event.screen_position());
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};
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auto frequency_menu = make<GMenu>("Frequency");
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frequency_menu->add_action(GAction::create("0.25 sec", [refresh_timer](auto&) {
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refresh_timer->restart(250);
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}));
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frequency_menu->add_action(GAction::create("0.5 sec", [refresh_timer](auto&) {
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refresh_timer->restart(500);
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}));
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frequency_menu->add_action(GAction::create("1 sec", [refresh_timer](auto&) {
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refresh_timer->restart(1000);
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}));
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frequency_menu->add_action(GAction::create("3 sec", [refresh_timer](auto&) {
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refresh_timer->restart(3000);
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}));
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frequency_menu->add_action(GAction::create("5 sec", [refresh_timer](auto&) {
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refresh_timer->restart(5000);
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}));
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menubar->add_menu(move(frequency_menu));
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auto help_menu = make<GMenu>("Help");
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help_menu->add_action(GAction::create("About", [](const GAction&) {
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dbgprintf("FIXME: Implement Help/About\n");
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}));
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menubar->add_menu(move(help_menu));
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app.set_menubar(move(menubar));
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auto* process_tab_widget = new GTabWidget(process_container_splitter);
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auto* open_files_widget = new ProcessFileDescriptorMapWidget(nullptr);
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process_tab_widget->add_widget("Open files", open_files_widget);
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auto* memory_map_widget = new ProcessMemoryMapWidget(nullptr);
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process_tab_widget->add_widget("Memory map", memory_map_widget);
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auto* stacks_widget = new ProcessStacksWidget(nullptr);
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process_tab_widget->add_widget("Stacks", stacks_widget);
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process_table_view->on_process_selected = [&](pid_t pid) {
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open_files_widget->set_pid(pid);
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stacks_widget->set_pid(pid);
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memory_map_widget->set_pid(pid);
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};
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auto* window = new GWindow;
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window->set_title("System Monitor");
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window->set_rect(20, 200, 680, 400);
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window->set_main_widget(keeper);
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window->show();
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window->set_icon(load_png("/res/icons/16x16/app-system-monitor.png"));
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return app.exec();
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}
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GWidget* build_file_systems_tab()
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{
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auto* fs_widget = new GWidget(nullptr);
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fs_widget->set_layout(make<GBoxLayout>(Orientation::Vertical));
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fs_widget->layout()->set_margins({ 4, 4, 4, 4 });
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auto* fs_table_view = new GTableView(fs_widget);
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fs_table_view->set_size_columns_to_fit_content(true);
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Vector<GJsonArrayModel::FieldSpec> df_fields;
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df_fields.empend("mount_point", "Mount point", TextAlignment::CenterLeft);
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df_fields.empend("class_name", "Class", TextAlignment::CenterLeft);
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df_fields.empend(
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"Size", TextAlignment::CenterRight,
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[](const JsonObject& object) {
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return human_readable_size(object.get("total_block_count").to_u32() * object.get("block_size").to_u32());
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},
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[](const JsonObject& object) {
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return object.get("total_block_count").to_u32() * object.get("block_size").to_u32();
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});
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df_fields.empend(
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"Used", TextAlignment::CenterRight,
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[](const JsonObject& object) {
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auto total_blocks = object.get("total_block_count").to_u32();
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auto free_blocks = object.get("free_block_count").to_u32();
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auto used_blocks = total_blocks - free_blocks;
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return human_readable_size(used_blocks * object.get("block_size").to_u32()); },
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[](const JsonObject& object) {
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auto total_blocks = object.get("total_block_count").to_u32();
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auto free_blocks = object.get("free_block_count").to_u32();
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auto used_blocks = total_blocks - free_blocks;
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return used_blocks * object.get("block_size").to_u32();
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});
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df_fields.empend(
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"Available", TextAlignment::CenterRight,
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[](const JsonObject& object) {
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return human_readable_size(object.get("free_block_count").to_u32() * object.get("block_size").to_u32());
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},
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[](const JsonObject& object) {
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return object.get("free_block_count").to_u32() * object.get("block_size").to_u32();
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});
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df_fields.empend("Access", TextAlignment::CenterLeft, [](const JsonObject& object) {
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return object.get("readonly").to_bool() ? "Read-only" : "Read/Write";
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});
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df_fields.empend("free_block_count", "Free blocks", TextAlignment::CenterRight);
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df_fields.empend("total_block_count", "Total blocks", TextAlignment::CenterRight);
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df_fields.empend("free_inode_count", "Free inodes", TextAlignment::CenterRight);
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df_fields.empend("total_inode_count", "Total inodes", TextAlignment::CenterRight);
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df_fields.empend("block_size", "Block size", TextAlignment::CenterRight);
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fs_table_view->set_model(GSortingProxyModel::create(GJsonArrayModel::create("/proc/df", move(df_fields))));
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fs_table_view->model()->update();
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return fs_widget;
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}
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