chiark / gitweb /
systemadm: display dependencies sorted
[elogind.git] / src / systemadm.vala
1 /***
2   This file is part of systemd.
3
4   Copyright 2010 Lennart Poettering
5
6   systemd is free software; you can redistribute it and/or modify it
7   under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2 of the License, or
9   (at your option) any later version.
10
11   systemd is distributed in the hope that it will be useful, but
12   WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14   General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
18 ***/
19
20 using Gtk;
21 using GLib;
22 using Pango;
23
24 static bool user = false;
25
26 public string format_time(uint64 time_ns) {
27         if (time_ns <= 0)
28                 return "";
29         Time timestamp = Time.local((time_t) (time_ns / 1000000));
30         return timestamp.format("%a, %d %b %Y %H:%M:%S");
31 }
32
33 public void new_column(TreeView view, int column_id, string title) {
34         TreeViewColumn col;
35         col = new TreeViewColumn.with_attributes(title, new CellRendererText(), "text", column_id);
36         col.set_sort_column_id(column_id);
37         view.insert_column(col, -1);
38 }
39
40 public class LeftLabel : Label {
41         public LeftLabel(string? text = null) {
42                 if (text != null)
43                         set_markup("<b>%s</b>".printf(text));
44                 set_alignment(0, 0);
45                 set_padding(6, 0);
46         }
47 }
48
49 public class RightLabel : WrapLabel {
50
51         public RightLabel(string? text = null) {
52                 set_selectable(true);
53                 set_text_or_na(text);
54         }
55
56         public void set_text_or_na(string? text = null) {
57                 if (text == null || text == "")
58                         set_markup("<i>n/a</i>");
59                 else
60                         set_text(text);
61         }
62
63         public void set_markup_or_na(string? text = null) {
64                 if (text == null || text == "")
65                         set_markup("<i>n/a</i>");
66                 else
67                         set_markup(text);
68         }
69 }
70
71 public class MainWindow : Window {
72
73         private string? current_unit_id;
74         private uint32 current_job_id;
75
76         private TreeView unit_view;
77         private TreeView job_view;
78
79         private ListStore unit_model;
80         private ListStore job_model;
81
82         private Gee.HashMap<string, Unit> unit_map;
83
84         private Button start_button;
85         private Button stop_button;
86         private Button restart_button;
87         private Button reload_button;
88         private Button cancel_button;
89
90         private Entry unit_load_entry;
91         private Button unit_load_button;
92
93         private Button server_snapshot_button;
94         private Button server_reload_button;
95
96         private Manager manager;
97
98         private RightLabel unit_id_label;
99         private RightLabel unit_aliases_label;
100         private RightLabel unit_dependency_label;
101         private RightLabel unit_description_label;
102         private RightLabel unit_load_state_label;
103         private RightLabel unit_active_state_label;
104         private RightLabel unit_sub_state_label;
105         private RightLabel unit_fragment_path_label;
106         private RightLabel unit_active_enter_timestamp_label;
107         private RightLabel unit_active_exit_timestamp_label;
108         private RightLabel unit_can_start_label;
109         private RightLabel unit_can_reload_label;
110         private RightLabel unit_cgroup_label;
111
112         private RightLabel job_id_label;
113         private RightLabel job_state_label;
114         private RightLabel job_type_label;
115
116         private ComboBox unit_type_combo_box;
117         private CheckButton inactive_checkbox;
118
119         public MainWindow() throws IOError {
120                 title = user ? "systemd User Service Manager" : "systemd System Manager";
121                 set_position(WindowPosition.CENTER);
122                 set_default_size(1000, 700);
123                 set_border_width(12);
124                 destroy.connect(Gtk.main_quit);
125
126                 Notebook notebook = new Notebook();
127                 add(notebook);
128
129                 Box unit_vbox = new VBox(false, 12);
130                 notebook.append_page(unit_vbox, new Label("Units"));
131                 unit_vbox.set_border_width(12);
132
133                 Box job_vbox = new VBox(false, 12);
134                 notebook.append_page(job_vbox, new Label("Jobs"));
135                 job_vbox.set_border_width(12);
136
137                 unit_type_combo_box = new ComboBox.text();
138                 Box type_hbox = new HBox(false, 6);
139                 type_hbox.pack_start(unit_type_combo_box, false, false, 0);
140                 unit_vbox.pack_start(type_hbox, false, false, 0);
141
142                 unit_type_combo_box.append_text("All unit types");
143                 unit_type_combo_box.append_text("Targets");
144                 unit_type_combo_box.append_text("Services");
145                 unit_type_combo_box.append_text("Devices");
146                 unit_type_combo_box.append_text("Mounts");
147                 unit_type_combo_box.append_text("Automounts");
148                 unit_type_combo_box.append_text("Swaps");
149                 unit_type_combo_box.append_text("Sockets");
150                 unit_type_combo_box.append_text("Paths");
151                 unit_type_combo_box.append_text("Timers");
152                 unit_type_combo_box.append_text("Snapshots");
153                 unit_type_combo_box.set_active(0); // Show All
154                 unit_type_combo_box.changed.connect(unit_type_changed);
155
156                 inactive_checkbox = new CheckButton.with_label("inactive too");
157                 inactive_checkbox.toggled.connect(unit_type_changed);
158                 type_hbox.pack_start(inactive_checkbox, false, false, 0);
159
160                 unit_load_entry = new Entry();
161                 unit_load_button = new Button.with_mnemonic("_Load");
162                 unit_load_button.set_sensitive(false);
163
164                 unit_load_entry.changed.connect(on_unit_load_entry_changed);
165                 unit_load_entry.activate.connect(on_unit_load);
166                 unit_load_button.clicked.connect(on_unit_load);
167
168                 Box unit_load_hbox = new HBox(false, 6);
169                 unit_load_hbox.pack_start(unit_load_entry, false, true, 0);
170                 unit_load_hbox.pack_start(unit_load_button, false, true, 0);
171
172                 server_snapshot_button = new Button.with_mnemonic("Take S_napshot");
173                 server_reload_button = new Button.with_mnemonic("Reload _Configuration");
174
175                 server_snapshot_button.clicked.connect(on_server_snapshot);
176                 server_reload_button.clicked.connect(on_server_reload);
177
178                 type_hbox.pack_end(server_snapshot_button, false, true, 0);
179                 type_hbox.pack_end(server_reload_button, false, true, 0);
180                 type_hbox.pack_end(unit_load_hbox, false, true, 24);
181
182                 unit_model = new ListStore(7, typeof(string), typeof(string), typeof(string), typeof(string), typeof(string), typeof(string), typeof(Unit));
183                 job_model = new ListStore(6, typeof(string), typeof(string), typeof(string), typeof(string), typeof(Job), typeof(uint32));
184
185                 unit_map = new Gee.HashMap<string, Unit>();
186
187                 TreeModelFilter unit_model_filter;
188                 unit_model_filter = new TreeModelFilter(unit_model, null);
189                 unit_model_filter.set_visible_func(unit_filter);
190
191                 TreeModelSort unit_model_sort = new TreeModelSort.with_model(unit_model_filter);
192
193                 unit_view = new TreeView.with_model(unit_model_sort);
194                 job_view = new TreeView.with_model(job_model);
195
196                 unit_view.cursor_changed.connect(unit_changed);
197                 job_view.cursor_changed.connect(job_changed);
198
199                 new_column(unit_view, 2, "Load State");
200                 new_column(unit_view, 3, "Active State");
201                 new_column(unit_view, 4, "Unit State");
202                 new_column(unit_view, 0, "Unit");
203                 new_column(unit_view, 5, "Job");
204
205                 new_column(job_view, 0, "Job");
206                 new_column(job_view, 1, "Unit");
207                 new_column(job_view, 2, "Type");
208                 new_column(job_view, 3, "State");
209
210                 ScrolledWindow scroll = new ScrolledWindow(null, null);
211                 scroll.set_policy(PolicyType.AUTOMATIC, PolicyType.AUTOMATIC);
212                 scroll.set_shadow_type(ShadowType.IN);
213                 scroll.add(unit_view);
214                 unit_vbox.pack_start(scroll, true, true, 0);
215
216                 scroll = new ScrolledWindow(null, null);
217                 scroll.set_policy(PolicyType.AUTOMATIC, PolicyType.AUTOMATIC);
218                 scroll.set_shadow_type(ShadowType.IN);
219                 scroll.add(job_view);
220                 job_vbox.pack_start(scroll, true, true, 0);
221
222                 unit_id_label = new RightLabel();
223                 unit_aliases_label = new RightLabel();
224                 unit_dependency_label = new RightLabel();
225                 unit_description_label = new RightLabel();
226                 unit_load_state_label = new RightLabel();
227                 unit_active_state_label = new RightLabel();
228                 unit_sub_state_label = new RightLabel();
229                 unit_fragment_path_label = new RightLabel();
230                 unit_active_enter_timestamp_label = new RightLabel();
231                 unit_active_exit_timestamp_label = new RightLabel();
232                 unit_can_start_label = new RightLabel();
233                 unit_can_reload_label = new RightLabel();
234                 unit_cgroup_label = new RightLabel();
235
236                 job_id_label = new RightLabel();
237                 job_state_label = new RightLabel();
238                 job_type_label = new RightLabel();
239
240                 unit_dependency_label.set_track_visited_links(false);
241                 unit_dependency_label.set_selectable(false);
242                 unit_dependency_label.activate_link.connect(on_activate_link);
243
244                 unit_fragment_path_label.set_track_visited_links(false);
245
246                 Table unit_table = new Table(8, 6, false);
247                 unit_table.set_row_spacings(6);
248                 unit_table.set_border_width(0);
249                 unit_vbox.pack_start(unit_table, false, true, 0);
250
251                 Table job_table = new Table(2, 2, false);
252                 job_table.set_row_spacings(6);
253                 job_table.set_border_width(0);
254                 job_vbox.pack_start(job_table, false, true, 0);
255
256                 unit_table.attach(new LeftLabel("Id:"),                     0, 1, 0, 1, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
257                 unit_table.attach(unit_id_label,                            1, 6, 0, 1, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
258                 unit_table.attach(new LeftLabel("Aliases:"),                0, 1, 1, 2, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
259                 unit_table.attach(unit_aliases_label,                       1, 6, 1, 2, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
260                 unit_table.attach(new LeftLabel("Description:"),            0, 1, 2, 3, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
261                 unit_table.attach(unit_description_label,                   1, 6, 2, 3, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
262                 unit_table.attach(new LeftLabel("Dependencies:"),           0, 1, 3, 4, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
263                 unit_table.attach(unit_dependency_label,                    1, 6, 3, 4, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
264                 unit_table.attach(new LeftLabel("Fragment Path:"),          0, 1, 4, 5, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
265                 unit_table.attach(unit_fragment_path_label,                 1, 6, 4, 5, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
266                 unit_table.attach(new LeftLabel("Control Group:"),          0, 1, 5, 6, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
267                 unit_table.attach(unit_cgroup_label,                        1, 6, 5, 6, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
268
269                 unit_table.attach(new LeftLabel("Load State:"),             0, 1, 6, 7, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
270                 unit_table.attach(unit_load_state_label,                    1, 2, 6, 7, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
271                 unit_table.attach(new LeftLabel("Active State:"),           0, 1, 7, 8, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
272                 unit_table.attach(unit_active_state_label,                  1, 2, 7, 8, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
273                 unit_table.attach(new LeftLabel("Unit State:"),             0, 1, 8, 9, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
274                 unit_table.attach(unit_sub_state_label,                     1, 2, 8, 9, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
275
276                 unit_table.attach(new LeftLabel("Active Enter Timestamp:"), 2, 3, 7, 8, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
277                 unit_table.attach(unit_active_enter_timestamp_label,        3, 4, 7, 8, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
278                 unit_table.attach(new LeftLabel("Active Exit Timestamp:"),  2, 3, 8, 9, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
279                 unit_table.attach(unit_active_exit_timestamp_label,         3, 4, 8, 9, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
280
281                 unit_table.attach(new LeftLabel("Can Start/Stop:"),         4, 5, 7, 8, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
282                 unit_table.attach(unit_can_start_label,                     5, 6, 7, 8, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
283                 unit_table.attach(new LeftLabel("Can Reload:"),             4, 5, 8, 9, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
284                 unit_table.attach(unit_can_reload_label,                    5, 6, 8, 9, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
285
286                 job_table.attach(new LeftLabel("Id:"),                      0, 1, 0, 1, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
287                 job_table.attach(job_id_label,                              1, 2, 0, 1, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
288                 job_table.attach(new LeftLabel("State:"),                   0, 1, 1, 2, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
289                 job_table.attach(job_state_label,                           1, 2, 1, 2, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
290                 job_table.attach(new LeftLabel("Type:"),                    0, 1, 2, 3, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
291                 job_table.attach(job_type_label,                            1, 2, 2, 3, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
292
293                 ButtonBox bbox = new HButtonBox();
294                 bbox.set_layout(ButtonBoxStyle.START);
295                 bbox.set_spacing(6);
296                 unit_vbox.pack_start(bbox, false, true, 0);
297
298                 start_button = new Button.with_mnemonic("_Start");
299                 stop_button = new Button.with_mnemonic("Sto_p");
300                 reload_button = new Button.with_mnemonic("_Reload");
301                 restart_button = new Button.with_mnemonic("Res_tart");
302
303                 start_button.clicked.connect(on_start);
304                 stop_button.clicked.connect(on_stop);
305                 reload_button.clicked.connect(on_reload);
306                 restart_button.clicked.connect(on_restart);
307
308                 bbox.pack_start(start_button, false, true, 0);
309                 bbox.pack_start(stop_button, false, true, 0);
310                 bbox.pack_start(restart_button, false, true, 0);
311                 bbox.pack_start(reload_button, false, true, 0);
312
313                 bbox = new HButtonBox();
314                 bbox.set_layout(ButtonBoxStyle.START);
315                 bbox.set_spacing(6);
316                 job_vbox.pack_start(bbox, false, true, 0);
317
318                 cancel_button = new Button.with_mnemonic("_Cancel");
319
320                 cancel_button.clicked.connect(on_cancel);
321
322                 bbox.pack_start(cancel_button, false, true, 0);
323
324                 manager = Bus.get_proxy_sync(
325                                 user ? BusType.SESSION : BusType.SYSTEM,
326                                 "org.freedesktop.systemd1",
327                                 "/org/freedesktop/systemd1");
328
329                 manager.unit_new.connect(on_unit_new);
330                 manager.job_new.connect(on_job_new);
331                 manager.unit_removed.connect(on_unit_removed);
332                 manager.job_removed.connect(on_job_removed);
333
334                 manager.subscribe();
335
336                 clear_unit();
337                 clear_job();
338                 populate_unit_model();
339                 populate_job_model();
340         }
341
342         public void populate_unit_model() throws IOError {
343                 unit_model.clear();
344
345                 var list = manager.list_units();
346
347                 foreach (var i in list) {
348                         TreeIter iter;
349
350                         Properties p = Bus.get_proxy_sync(
351                                         user ? BusType.SESSION : BusType.SYSTEM,
352                                         "org.freedesktop.systemd1",
353                                         i.unit_path);
354
355                         p.properties_changed.connect(on_unit_changed);
356
357                         Unit u = Bus.get_proxy_sync(
358                                         user ? BusType.SESSION : BusType.SYSTEM,
359                                         "org.freedesktop.systemd1",
360                                         i.unit_path);
361
362                         unit_map[i.id] = u;
363
364                         unit_model.append(out iter);
365                         unit_model.set(iter,
366                                        0, i.id,
367                                        1, i.description,
368                                        2, i.load_state,
369                                        3, i.active_state,
370                                        4, i.sub_state,
371                                        5, i.job_type != "" ? "→ %s".printf(i.job_type) : "",
372                                        6, u);
373                 }
374         }
375
376         public void populate_job_model() throws IOError {
377                 job_model.clear();
378
379                 var list = manager.list_jobs();
380
381                 foreach (var i in list) {
382                         TreeIter iter;
383
384                         Properties p = Bus.get_proxy_sync(
385                                         user ? BusType.SESSION : BusType.SYSTEM,
386                                         "org.freedesktop.systemd1",
387                                         i.job_path);
388
389                         p.properties_changed.connect(on_job_changed);
390
391                         Job j = Bus.get_proxy_sync(
392                                         user ? BusType.SESSION : BusType.SYSTEM,
393                                         "org.freedesktop.systemd1",
394                                         i.job_path);
395
396                         job_model.append(out iter);
397                         job_model.set(iter,
398                                       0, "%u".printf(i.id),
399                                       1, i.name,
400                                       2, "→ %s".printf(i.type),
401                                       3, i.state,
402                                       4, j,
403                                       5, i.id);
404                 }
405         }
406
407         public Unit? get_current_unit() {
408                 TreePath p;
409                 unit_view.get_cursor(out p, null);
410
411                 if (p == null)
412                         return null;
413
414                 TreeModel model = unit_view.get_model();
415                 TreeIter iter;
416                 Unit u;
417
418                 model.get_iter(out iter, p);
419                 model.get(iter, 6, out u);
420
421                 return u;
422         }
423
424         public Unit? get_unit(string id) {
425                 return this.unit_map[id];
426         }
427
428         public void unit_changed() {
429                 Unit u = get_current_unit();
430
431                 if (u == null)
432                         clear_unit();
433                 else
434                         show_unit(u);
435         }
436
437         public void clear_unit() {
438                 current_unit_id = null;
439
440                 start_button.set_sensitive(false);
441                 stop_button.set_sensitive(false);
442                 reload_button.set_sensitive(false);
443                 restart_button.set_sensitive(false);
444
445                 unit_id_label.set_text_or_na();
446                 unit_aliases_label.set_text_or_na();
447                 unit_description_label.set_text_or_na();
448                 unit_description_label.set_text_or_na();
449                 unit_load_state_label.set_text_or_na();
450                 unit_active_state_label.set_text_or_na();
451                 unit_sub_state_label.set_text_or_na();
452                 unit_fragment_path_label.set_text_or_na();
453                 unit_active_enter_timestamp_label.set_text_or_na();
454                 unit_active_exit_timestamp_label.set_text_or_na();
455                 unit_can_reload_label.set_text_or_na();
456                 unit_can_start_label.set_text_or_na();
457                 unit_cgroup_label.set_text_or_na();
458         }
459
460         public string make_dependency_string(string? prefix, string word, string[] dependencies) {
461                 Gee.Collection<unowned string> sorted = new Gee.TreeSet<string>();
462                 foreach (string i in dependencies)
463                         sorted.add(i);
464
465                 bool first = true;
466                 string r;
467
468                 if (prefix == null)
469                         r = "";
470                 else
471                         r = prefix;
472
473                 foreach (string i in sorted) {
474                         if (r != "")
475                                 r += first ? "\n" : ",";
476
477                         if (first) {
478                                 r += word;
479                                 first = false;
480                         }
481
482                         r += " <a href=\"" + i + "\">" + i + "</a>";
483                 }
484
485                 return r;
486         }
487
488         public void show_unit(Unit unit) {
489                 current_unit_id = unit.id;
490
491                 unit_id_label.set_text_or_na(current_unit_id);
492
493                 string a = "";
494                 foreach (string i in unit.names) {
495                         if (i == current_unit_id)
496                                 continue;
497
498                         if (a == "")
499                                 a = i;
500                         else
501                                 a += "\n" + i;
502                 }
503
504                 unit_aliases_label.set_text_or_na(a);
505
506                 string[]
507                         requires = unit.requires,
508                         requires_overridable = unit.requires_overridable,
509                         requisite = unit.requisite,
510                         requisite_overridable = unit.requisite_overridable,
511                         wants = unit.wants,
512                         required_by = unit.required_by,
513                         required_by_overridable = unit.required_by_overridable,
514                         wanted_by = unit.wanted_by,
515                         conflicts = unit.conflicts,
516                         before = unit.before,
517                         after = unit.after;
518
519                 unit_dependency_label.set_markup_or_na(
520                                 make_dependency_string(
521                                 make_dependency_string(
522                                 make_dependency_string(
523                                 make_dependency_string(
524                                 make_dependency_string(
525                                 make_dependency_string(
526                                 make_dependency_string(
527                                 make_dependency_string(
528                                 make_dependency_string(
529                                 make_dependency_string(
530                                 make_dependency_string(null,
531                                 "requires", requires),
532                                 "overridable requires", requires_overridable),
533                                 "requisite", requisite),
534                                 "overridable requisite", requisite_overridable),
535                                 "wants", wants),
536                                 "conflicts", conflicts),
537                                 "required by", required_by),
538                                 "overridable required by", required_by_overridable),
539                                 "wanted by", wanted_by),
540                                 "after", after),
541                                 "before", before));
542
543                 unit_description_label.set_text_or_na(unit.description);
544                 unit_load_state_label.set_text_or_na(unit.load_state);
545                 unit_active_state_label.set_text_or_na(unit.active_state);
546                 unit_sub_state_label.set_text_or_na(unit.sub_state);
547
548                 string fp = unit.fragment_path;
549                 if (fp != "")
550                         unit_fragment_path_label.set_markup_or_na("<a href=\"file://" + fp +"\">" + fp + "</a>" );
551                 else
552                         unit_fragment_path_label.set_text_or_na();
553
554
555                 unit_active_enter_timestamp_label.set_text_or_na(format_time(unit.active_enter_timestamp));
556
557                 unit_active_exit_timestamp_label.set_text_or_na(format_time(unit.active_exit_timestamp));
558
559                 bool b = unit.can_start;
560                 start_button.set_sensitive(b);
561                 stop_button.set_sensitive(b);
562                 restart_button.set_sensitive(b);
563                 unit_can_start_label.set_text_or_na(b ? "Yes" : "No");
564
565                 b = unit.can_reload;
566                 reload_button.set_sensitive(b);
567                 unit_can_reload_label.set_text_or_na(b ? "Yes" : "No");
568
569                 unit_cgroup_label.set_text_or_na(unit.default_control_group);
570         }
571
572         public Job? get_current_job() {
573                 TreePath p;
574                 job_view.get_cursor(out p, null);
575
576                 if (p == null)
577                         return null;
578
579                 TreeIter iter;
580                 TreeModel model = job_view.get_model();
581                 Job *j;
582
583                 model.get_iter(out iter, p);
584                 model.get(iter, 4, out j);
585
586                 return j;
587         }
588
589         public void job_changed() {
590                 Job j = get_current_job();
591
592                 if (j == null)
593                         clear_job();
594                 else
595                         show_job(j);
596         }
597
598         public void clear_job() {
599                 current_job_id = 0;
600
601                 job_id_label.set_text_or_na();
602                 job_state_label.set_text_or_na();
603                 job_type_label.set_text_or_na();
604
605                 cancel_button.set_sensitive(false);
606         }
607
608         public void show_job(Job job) {
609                 current_job_id = job.id;
610
611                 job_id_label.set_text_or_na("%u".printf(current_job_id));
612                 job_state_label.set_text_or_na(job.state);
613                 job_type_label.set_text_or_na(job.job_type);
614
615                 cancel_button.set_sensitive(true);
616         }
617
618         public void on_start() {
619                 Unit u = get_current_unit();
620
621                 if (u == null)
622                         return;
623
624                 try {
625                         u.start("replace");
626                 } catch (IOError e) {
627                         show_error(e.message);
628                 }
629         }
630
631         public void on_stop() {
632                 Unit u = get_current_unit();
633
634                 if (u == null)
635                         return;
636
637                 try {
638                         u.stop("replace");
639                 } catch (IOError e) {
640                         show_error(e.message);
641                 }
642         }
643
644         public void on_reload() {
645                 Unit u = get_current_unit();
646
647                 if (u == null)
648                         return;
649
650                 try {
651                         u.reload("replace");
652                 } catch (IOError e) {
653                         show_error(e.message);
654                 }
655         }
656
657         public void on_restart() {
658                 Unit u = get_current_unit();
659
660                 if (u == null)
661                         return;
662
663                 try {
664                         u.restart("replace");
665                 } catch (IOError e) {
666                         show_error(e.message);
667                 }
668         }
669
670         public void on_cancel() {
671                 Job j = get_current_job();
672
673                 if (j == null)
674                         return;
675
676                 try {
677                         j.cancel();
678                 } catch (IOError e) {
679                         show_error(e.message);
680                 }
681         }
682
683         public void update_unit_iter(TreeIter iter, string id, Unit u) {
684
685                 try  {
686                         string t = "";
687                         Unit.JobLink jl = u.job;
688
689                         if (jl.id != 0) {
690                                 Job j = Bus.get_proxy_sync(
691                                                 user ? BusType.SESSION : BusType.SYSTEM,
692                                                 "org.freedesktop.systemd1",
693                                                 jl.path);
694
695                                 t = j.job_type;
696                         }
697
698                         unit_model.set(iter,
699                                        0, id,
700                                        1, u.description,
701                                        2, u.load_state,
702                                        3, u.active_state,
703                                        4, u.sub_state,
704                                        5, t != "" ? "→ %s".printf(t) : "",
705                                        6, u);
706                 } catch (IOError e) {
707                         show_error(e.message);
708                 }
709         }
710
711         public void on_unit_new(string id, ObjectPath path) {
712                 try {
713
714                         Properties p = Bus.get_proxy_sync(
715                                         user ? BusType.SESSION : BusType.SYSTEM,
716                                         "org.freedesktop.systemd1",
717                                         path);
718
719                         p.properties_changed.connect(on_unit_changed);
720
721                         TreeIter iter;
722                         unit_model.append(out iter);
723
724                         Unit u = Bus.get_proxy_sync(
725                                         user ? BusType.SESSION : BusType.SYSTEM,
726                                         "org.freedesktop.systemd1",
727                                         path);
728
729                         unit_map[id] = u;
730
731                         update_unit_iter(iter, id, u);
732                 } catch (IOError e) {
733                         show_error(e.message);
734                 }
735         }
736
737         public void update_job_iter(TreeIter iter, uint32 id, Job j) {
738                 job_model.set(iter,
739                               0, "%u".printf(id),
740                               1, j.unit.id,
741                               2, "→ %s".printf(j.job_type),
742                               3, j.state,
743                               4, j,
744                               5, id);
745         }
746
747         public void on_job_new(uint32 id, ObjectPath path) {
748
749                 try  {
750
751                         Properties p = Bus.get_proxy_sync(
752                                         user ? BusType.SESSION : BusType.SYSTEM,
753                                         "org.freedesktop.systemd1",
754                                         path);
755
756                         p.properties_changed.connect(on_job_changed);
757
758                         TreeIter iter;
759                         job_model.append(out iter);
760
761                         Job j = Bus.get_proxy_sync(
762                                         user ? BusType.SESSION : BusType.SYSTEM,
763                                         "org.freedesktop.systemd1",
764                                         path);
765
766                         update_job_iter(iter, id, j);
767
768                 } catch (IOError e) {
769                         show_error(e.message);
770                 }
771         }
772
773         public void on_unit_removed(string id, ObjectPath path) {
774                 TreeIter iter;
775                 if (!(unit_model.get_iter_first(out iter)))
776                         return;
777
778                 do {
779                         string name;
780
781                         unit_model.get(iter, 0, out name);
782
783                         if (id == name) {
784                                 if (current_unit_id == name)
785                                         clear_unit();
786
787                                 unit_model.remove(iter);
788                                 break;
789                         }
790
791                 } while (unit_model.iter_next(ref iter));
792
793                 unit_map.unset(id);
794         }
795
796         public void on_job_removed(uint32 id, ObjectPath path, string res) {
797                 TreeIter iter;
798                 if (!(job_model.get_iter_first(out iter)))
799                         return;
800
801                 do {
802                         uint32 j;
803
804                         job_model.get(iter, 5, out j);
805
806                         if (id == j) {
807                                 if (current_job_id == j)
808                                         clear_job();
809
810                                 job_model.remove(iter);
811
812                                 break;
813                         }
814
815                 } while (job_model.iter_next(ref iter));
816         }
817
818         public void on_unit_changed(Properties p, string iface, HashTable<string, Value?> changed_properties, string[] invalidated_properties) {
819
820                 try {
821                         TreeIter iter;
822                         string id;
823
824                         Unit u = Bus.get_proxy_sync(
825                                         user ? BusType.SESSION : BusType.SYSTEM,
826                                         p.get_name(),
827                                         p.get_object_path());
828
829                         if (!(unit_model.get_iter_first(out iter)))
830                                 return;
831
832                         id = u.id;
833
834                         do {
835                                 string name;
836
837                                 unit_model.get(iter, 0, out name);
838
839                                 if (id == name) {
840                                         update_unit_iter(iter, id, u);
841
842                                         if (current_unit_id == id)
843                                                 show_unit(u);
844
845                                         break;
846                                 }
847
848                         } while (unit_model.iter_next(ref iter));
849
850                 } catch (IOError e) {
851                         show_error(e.message);
852                 }
853         }
854
855         public void on_job_changed(Properties p, string iface, HashTable<string, Value?> changed_properties, string[] invalidated_properties) {
856                 try {
857                         TreeIter iter;
858                         uint32 id;
859
860                         Job j = Bus.get_proxy_sync(
861                                         user ? BusType.SESSION : BusType.SYSTEM,
862                                         p.get_name(),
863                                         p.get_object_path());
864
865                         if (!(job_model.get_iter_first(out iter)))
866                                 return;
867
868                         id = j.id;
869
870                         do {
871                                 uint32 k;
872
873                                 job_model.get(iter, 5, out k);
874
875                                 if (id == k) {
876                                         update_job_iter(iter, id, j);
877
878                                         if (current_job_id == id)
879                                                 show_job(j);
880
881                                         break;
882                                 }
883
884                         } while (job_model.iter_next(ref iter));
885
886                 } catch (IOError e) {
887                         show_error(e.message);
888                 }
889         }
890
891         public bool unit_filter(TreeModel model, TreeIter iter) {
892                 string id, active_state, job;
893
894                 model.get(iter, 0, out id, 3, out active_state, 5, out job);
895
896                 if (id == null)
897                         return false;
898
899                 if (!inactive_checkbox.get_active()
900                     && active_state == "inactive" && job == "")
901                         return false;
902
903                 switch (unit_type_combo_box.get_active()) {
904                 case 0:
905                         return true;
906                 case 1:
907                         return id.has_suffix(".target");
908                 case 2:
909                         return id.has_suffix(".service");
910                 case 3:
911                         return id.has_suffix(".device");
912                 case 4:
913                         return id.has_suffix(".mount");
914                 case 5:
915                         return id.has_suffix(".automount");
916                 case 6:
917                         return id.has_suffix(".swap");
918                 case 7:
919                         return id.has_suffix(".socket");
920                 case 8:
921                         return id.has_suffix(".path");
922                 case 9:
923                         return id.has_suffix(".timer");
924                 case 10:
925                         return id.has_suffix(".snapshot");
926                 default:
927                         assert(false);
928                         return false;
929                 }
930         }
931
932         public void unit_type_changed() {
933                 TreeModelFilter model = (TreeModelFilter) ((TreeModelSort) unit_view.get_model()).get_model();
934
935                 model.refilter();
936         }
937
938         public void on_server_reload() {
939                 try {
940                         manager.reload();
941                 } catch (IOError e) {
942                         show_error(e.message);
943                 }
944         }
945
946         public void on_server_snapshot() {
947                 try {
948                         manager.create_snapshot();
949
950                         if (unit_type_combo_box.get_active() != 0)
951                                 unit_type_combo_box.set_active(8);
952
953                 } catch (IOError e) {
954                         show_error(e.message);
955                 }
956         }
957
958         public void on_unit_load() {
959                 string t = unit_load_entry.get_text();
960
961                 if (t == "")
962                         return;
963
964                 try {
965                         var path = manager.load_unit(t);
966
967                         Unit u = Bus.get_proxy_sync(
968                                         user ? BusType.SESSION : BusType.SYSTEM,
969                                         "org.freedesktop.systemd1",
970                                         path);
971
972                         var m = new MessageDialog(this,
973                                                   DialogFlags.DESTROY_WITH_PARENT,
974                                                   MessageType.INFO,
975                                                   ButtonsType.CLOSE,
976                                                   "Unit available as id %s", u.id);
977                         m.title = "Unit";
978                         m.run();
979                         m.destroy();
980
981                         show_unit(u);
982                 } catch (IOError e) {
983                         show_error(e.message);
984                 }
985         }
986
987         public void on_unit_load_entry_changed() {
988                 unit_load_button.set_sensitive(unit_load_entry.get_text() != "");
989         }
990
991         public bool on_activate_link(string uri) {
992
993                 try {
994                         string path = manager.get_unit(uri);
995
996                         Unit u = Bus.get_proxy_sync(
997                                         user ? BusType.SESSION : BusType.SYSTEM,
998                                         "org.freedesktop.systemd1",
999                                         path);
1000
1001                         show_unit(u);
1002                 } catch (IOError e) {
1003                         show_error(e.message);
1004                 }
1005
1006                 return true;
1007         }
1008
1009         public void show_error(string e) {
1010                 var m = new MessageDialog(this,
1011                                           DialogFlags.DESTROY_WITH_PARENT,
1012                                           MessageType.ERROR,
1013                                           ButtonsType.CLOSE, "%s", e);
1014                 m.title = "Error";
1015                 m.run();
1016                 m.destroy();
1017         }
1018
1019 }
1020
1021 static const OptionEntry entries[] = {
1022         { "user",    0,   0,                   OptionArg.NONE, out user, "Connect to user service manager", null },
1023         { "system",  0,   OptionFlags.REVERSE, OptionArg.NONE, out user, "Connect to system manager",       null },
1024         { null }
1025 };
1026
1027 void show_error(string e) {
1028         var m = new MessageDialog(null, 0, MessageType.ERROR, ButtonsType.CLOSE, "%s", e);
1029         m.run();
1030         m.destroy();
1031 }
1032
1033 int main(string[] args) {
1034
1035         try {
1036                 Gtk.init_with_args(ref args, "[OPTION...]", entries, "systemadm");
1037
1038                 MainWindow window = new MainWindow();
1039                 window.show_all();
1040
1041                 Gtk.main();
1042         } catch (IOError e) {
1043                 show_error(e.message);
1044         } catch (GLib.Error e) {
1045                 stderr.printf("%s\n", e.message);
1046         }
1047
1048         return 0;
1049 }