1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
#include "GraphWidget.h"
#include "MemoryStatsWidget.h"
#include "NetworkStatisticsWidget.h"
#include "ProcessFileDescriptorMapWidget.h"
#include "ProcessMemoryMapWidget.h"
#include "ProcessStacksWidget.h"
#include "ProcessTableView.h"
#include <LibCore/CTimer.h>
#include <LibDraw/PNGLoader.h>
#include <LibGUI/GAction.h>
#include <LibGUI/GApplication.h>
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GGroupBox.h>
#include <LibGUI/GJsonArrayModel.h>
#include <LibGUI/GLabel.h>
#include <LibGUI/GMenuBar.h>
#include <LibGUI/GSortingProxyModel.h>
#include <LibGUI/GSplitter.h>
#include <LibGUI/GTabWidget.h>
#include <LibGUI/GToolBar.h>
#include <LibGUI/GWidget.h>
#include <LibGUI/GWindow.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
static String human_readable_size(u32 size)
{
if (size < (64 * KB))
return String::format("%u", size);
if (size < MB)
return String::format("%u KB", size / KB);
if (size < GB)
return String::format("%u MB", size / MB);
return String::format("%u GB", size / GB);
}
static GWidget* build_file_systems_tab();
int main(int argc, char** argv)
{
GApplication app(argc, argv);
auto* keeper = new GWidget;
keeper->set_layout(make<GBoxLayout>(Orientation::Vertical));
keeper->set_fill_with_background_color(true);
keeper->set_background_color(Color::WarmGray);
keeper->layout()->set_margins({ 4, 4, 4, 4 });
auto* tabwidget = new GTabWidget(keeper);
auto* process_container_splitter = new GSplitter(Orientation::Vertical, nullptr);
tabwidget->add_widget("Processes", process_container_splitter);
auto* process_table_container = new GWidget(process_container_splitter);
auto* graphs_container = new GWidget;
graphs_container->set_fill_with_background_color(true);
graphs_container->set_background_color(Color::WarmGray);
graphs_container->set_layout(make<GBoxLayout>(Orientation::Vertical));
graphs_container->layout()->set_margins({ 4, 4, 4, 4 });
auto* cpu_graph_group_box = new GGroupBox("CPU usage", graphs_container);
cpu_graph_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
cpu_graph_group_box->layout()->set_margins({ 6, 16, 6, 6 });
cpu_graph_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
cpu_graph_group_box->set_preferred_size(0, 120);
auto* cpu_graph = new GraphWidget(cpu_graph_group_box);
cpu_graph->set_max(100);
cpu_graph->set_text_color(Color::Green);
cpu_graph->set_graph_color(Color::from_rgb(0x00bb00));
cpu_graph->text_formatter = [](int value, int) {
return String::format("%d%%", value);
};
auto* memory_graph_group_box = new GGroupBox("Memory usage", graphs_container);
memory_graph_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
memory_graph_group_box->layout()->set_margins({ 6, 16, 6, 6 });
memory_graph_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
memory_graph_group_box->set_preferred_size(0, 120);
auto* memory_graph = new GraphWidget(memory_graph_group_box);
memory_graph->set_text_color(Color::Cyan);
memory_graph->set_graph_color(Color::from_rgb(0x00bbbb));
memory_graph->text_formatter = [](int value, int max) {
return String::format("%d / %d KB", value, max);
};
tabwidget->add_widget("Graphs", graphs_container);
tabwidget->add_widget("File systems", build_file_systems_tab());
auto* network_stats_widget = new NetworkStatisticsWidget(nullptr);
tabwidget->add_widget("Network", network_stats_widget);
process_table_container->set_layout(make<GBoxLayout>(Orientation::Vertical));
process_table_container->layout()->set_margins({ 4, 0, 4, 4 });
process_table_container->layout()->set_spacing(0);
auto* toolbar = new GToolBar(process_table_container);
toolbar->set_has_frame(false);
auto* process_table_view = new ProcessTableView(*cpu_graph, process_table_container);
auto* memory_stats_widget = new MemoryStatsWidget(*memory_graph, graphs_container);
auto* refresh_timer = new CTimer(1000, [&] {
process_table_view->refresh();
memory_stats_widget->refresh();
});
auto kill_action = GAction::create("Kill process", GraphicsBitmap::load_from_file("/res/icons/kill16.png"), [process_table_view](const GAction&) {
pid_t pid = process_table_view->selected_pid();
if (pid != -1)
kill(pid, SIGKILL);
});
auto stop_action = GAction::create("Stop process", GraphicsBitmap::load_from_file("/res/icons/stop16.png"), [process_table_view](const GAction&) {
pid_t pid = process_table_view->selected_pid();
if (pid != -1)
kill(pid, SIGSTOP);
});
auto continue_action = GAction::create("Continue process", GraphicsBitmap::load_from_file("/res/icons/continue16.png"), [process_table_view](const GAction&) {
pid_t pid = process_table_view->selected_pid();
if (pid != -1)
kill(pid, SIGCONT);
});
toolbar->add_action(kill_action);
toolbar->add_action(stop_action);
toolbar->add_action(continue_action);
auto menubar = make<GMenuBar>();
auto app_menu = make<GMenu>("Process Manager");
app_menu->add_action(GAction::create("Quit", { Mod_Alt, Key_F4 }, [](const GAction&) {
GApplication::the().quit(0);
return;
}));
menubar->add_menu(move(app_menu));
auto process_menu = make<GMenu>("Process");
process_menu->add_action(kill_action);
process_menu->add_action(stop_action);
process_menu->add_action(continue_action);
menubar->add_menu(move(process_menu));
auto process_context_menu = make<GMenu>("Process context menu");
process_context_menu->add_action(kill_action);
process_context_menu->add_action(stop_action);
process_context_menu->add_action(continue_action);
process_table_view->on_context_menu_request = [&](const GModelIndex& index, const GContextMenuEvent& event) {
(void)index;
process_context_menu->popup(event.screen_position());
};
auto frequency_menu = make<GMenu>("Frequency");
frequency_menu->add_action(GAction::create("0.25 sec", [refresh_timer](auto&) {
refresh_timer->restart(250);
}));
frequency_menu->add_action(GAction::create("0.5 sec", [refresh_timer](auto&) {
refresh_timer->restart(500);
}));
frequency_menu->add_action(GAction::create("1 sec", [refresh_timer](auto&) {
refresh_timer->restart(1000);
}));
frequency_menu->add_action(GAction::create("3 sec", [refresh_timer](auto&) {
refresh_timer->restart(3000);
}));
frequency_menu->add_action(GAction::create("5 sec", [refresh_timer](auto&) {
refresh_timer->restart(5000);
}));
menubar->add_menu(move(frequency_menu));
auto help_menu = make<GMenu>("Help");
help_menu->add_action(GAction::create("About", [](const GAction&) {
dbgprintf("FIXME: Implement Help/About\n");
}));
menubar->add_menu(move(help_menu));
app.set_menubar(move(menubar));
auto* process_tab_widget = new GTabWidget(process_container_splitter);
auto* open_files_widget = new ProcessFileDescriptorMapWidget(nullptr);
process_tab_widget->add_widget("Open files", open_files_widget);
auto* memory_map_widget = new ProcessMemoryMapWidget(nullptr);
process_tab_widget->add_widget("Memory map", memory_map_widget);
auto* stacks_widget = new ProcessStacksWidget(nullptr);
process_tab_widget->add_widget("Stacks", stacks_widget);
process_table_view->on_process_selected = [&](pid_t pid) {
open_files_widget->set_pid(pid);
stacks_widget->set_pid(pid);
memory_map_widget->set_pid(pid);
};
auto* window = new GWindow;
window->set_title("Process Manager");
window->set_rect(20, 200, 680, 400);
window->set_main_widget(keeper);
window->show();
window->set_icon(load_png("/res/icons/16x16/app-process-manager.png"));
return app.exec();
}
GWidget* build_file_systems_tab()
{
auto* fs_widget = new GWidget(nullptr);
fs_widget->set_layout(make<GBoxLayout>(Orientation::Vertical));
fs_widget->layout()->set_margins({ 4, 4, 4, 4 });
auto* fs_table_view = new GTableView(fs_widget);
fs_table_view->set_size_columns_to_fit_content(true);
Vector<GJsonArrayModel::FieldSpec> df_fields;
df_fields.empend("mount_point", "Mount point", TextAlignment::CenterLeft);
df_fields.empend("class_name", "Class", TextAlignment::CenterLeft);
df_fields.empend(
"Size", TextAlignment::CenterRight,
[](const JsonObject& object) {
return human_readable_size(object.get("total_block_count").to_u32() * object.get("block_size").to_u32());
},
[](const JsonObject& object) {
return object.get("total_block_count").to_u32() * object.get("block_size").to_u32();
});
df_fields.empend(
"Used", TextAlignment::CenterRight,
[](const JsonObject& object) {
auto total_blocks = object.get("total_block_count").to_u32();
auto free_blocks = object.get("free_block_count").to_u32();
auto used_blocks = total_blocks - free_blocks;
return human_readable_size(used_blocks * object.get("block_size").to_u32()); },
[](const JsonObject& object) {
auto total_blocks = object.get("total_block_count").to_u32();
auto free_blocks = object.get("free_block_count").to_u32();
auto used_blocks = total_blocks - free_blocks;
return used_blocks * object.get("block_size").to_u32();
});
df_fields.empend(
"Available", TextAlignment::CenterRight,
[](const JsonObject& object) {
return human_readable_size(object.get("free_block_count").to_u32() * object.get("block_size").to_u32());
},
[](const JsonObject& object) {
return object.get("free_block_count").to_u32() * object.get("block_size").to_u32();
});
df_fields.empend("Access", TextAlignment::CenterLeft, [](const JsonObject& object) {
return object.get("readonly").to_bool() ? "Read-only" : "Read/Write";
});
df_fields.empend("free_block_count", "Free blocks", TextAlignment::CenterRight);
df_fields.empend("total_block_count", "Total blocks", TextAlignment::CenterRight);
df_fields.empend("free_inode_count", "Free inodes", TextAlignment::CenterRight);
df_fields.empend("total_inode_count", "Total inodes", TextAlignment::CenterRight);
df_fields.empend("block_size", "Block size", TextAlignment::CenterRight);
fs_table_view->set_model(GSortingProxyModel::create(GJsonArrayModel::create("/proc/df", move(df_fields))));
fs_table_view->model()->update();
return fs_widget;
}
|
