chiark / gitweb /
manager: fix GC algorithm
[elogind.git] / 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 DBus;
23 using Pango;
24
25 static bool session = false;
26
27 public class LeftLabel : Label {
28         public LeftLabel(string? text = null) {
29                 if (text != null)
30                         set_markup("<b>%s</b>".printf(text));
31                 set_alignment(0, 0);
32                 set_padding(6, 0);
33         }
34 }
35
36 public class RightLabel : Label {
37         public RightLabel(string? text = null) {
38                 set_text_or_na(text);
39                 set_alignment(0, 0);
40                 set_ellipsize(EllipsizeMode.START);
41                 set_selectable(true);
42         }
43
44         public void set_text_or_na(string? text = null) {
45                 if (text == null || text == "")
46                         set_markup("<i>n/a</i>");
47                 else
48                         set_text(text);
49         }
50 }
51
52 public class MainWindow : Window {
53
54         private string? current_unit_id;
55         private uint32 current_job_id;
56
57         private TreeView unit_view;
58         private TreeView job_view;
59
60         private ListStore unit_model;
61         private ListStore job_model;
62
63         private Button start_button;
64         private Button stop_button;
65         private Button restart_button;
66         private Button reload_button;
67         private Button cancel_button;
68
69         private Button server_snapshot_button;
70         private Button server_reload_button;
71
72         private Connection bus;
73         private Manager manager;
74
75         private RightLabel unit_id_label;
76         private RightLabel unit_aliases_label;
77         private RightLabel unit_description_label;
78         private RightLabel unit_load_state_label;
79         private RightLabel unit_active_state_label;
80         private RightLabel unit_sub_state_label;
81         private RightLabel unit_fragment_path_label;
82         private RightLabel unit_active_enter_timestamp_label;
83         private RightLabel unit_active_exit_timestamp_label;
84         private RightLabel unit_can_start_label;
85         private RightLabel unit_can_reload_label;
86         private RightLabel unit_cgroup_label;
87
88         private RightLabel job_id_label;
89         private RightLabel job_state_label;
90         private RightLabel job_type_label;
91
92         private ComboBox unit_type_combo_box;
93
94         public MainWindow() throws DBus.Error {
95                 title = "systemdadm";
96                 position = WindowPosition.CENTER;
97                 set_default_size(1000, 700);
98                 set_border_width(12);
99                 destroy += Gtk.main_quit;
100
101                 Notebook notebook = new Notebook();
102                 add(notebook);
103
104                 Box unit_vbox = new VBox(false, 12);
105                 notebook.append_page(unit_vbox, new Label("Units"));
106                 unit_vbox.set_border_width(12);
107
108                 Box job_vbox = new VBox(false, 12);
109                 notebook.append_page(job_vbox, new Label("Jobs"));
110                 job_vbox.set_border_width(12);
111
112                 unit_type_combo_box = new ComboBox.text();
113                 Box type_hbox = new HBox(false, 6);
114                 type_hbox.pack_start(unit_type_combo_box, false, false, 0);
115                 unit_vbox.pack_start(type_hbox, false, false, 0);
116
117                 unit_type_combo_box.append_text("Show All Units");
118                 unit_type_combo_box.append_text("Show Only Live Units");
119                 unit_type_combo_box.append_text("Services");
120                 unit_type_combo_box.append_text("Sockets");
121                 unit_type_combo_box.append_text("Devices");
122                 unit_type_combo_box.append_text("Mounts");
123                 unit_type_combo_box.append_text("Automounts");
124                 unit_type_combo_box.append_text("Targets");
125                 unit_type_combo_box.append_text("Snapshots");
126                 unit_type_combo_box.set_active(1);
127                 unit_type_combo_box.changed += unit_type_changed;
128
129                 server_snapshot_button = new Button.with_mnemonic("Take _Snapshot");
130                 server_reload_button = new Button.with_mnemonic("Reload _Configuration");
131
132                 server_snapshot_button.clicked += on_server_snapshot;
133                 server_reload_button.clicked += on_server_reload;
134
135                 type_hbox.pack_end(server_snapshot_button, false, true, 0);
136                 type_hbox.pack_end(server_reload_button, false, true, 0);
137
138                 unit_model = new ListStore(7, typeof(string), typeof(string), typeof(string), typeof(string), typeof(string), typeof(string), typeof(Unit));
139                 job_model = new ListStore(6, typeof(string), typeof(string), typeof(string), typeof(string), typeof(Job), typeof(uint32));
140
141                 TreeModelFilter unit_model_filter;
142                 unit_model_filter = new TreeModelFilter(unit_model, null);
143                 unit_model_filter.set_visible_func(unit_filter);
144
145                 unit_view = new TreeView.with_model(unit_model_filter);
146                 job_view = new TreeView.with_model(job_model);
147
148                 unit_view.cursor_changed += unit_changed;
149                 job_view.cursor_changed += job_changed;
150
151                 unit_view.insert_column_with_attributes(-1, "Load State", new CellRendererText(), "text", 2);
152                 unit_view.insert_column_with_attributes(-1, "Active State", new CellRendererText(), "text", 3);
153                 unit_view.insert_column_with_attributes(-1, "Unit State", new CellRendererText(), "text", 4);
154                 unit_view.insert_column_with_attributes(-1, "Unit", new CellRendererText(), "text", 0);
155                 unit_view.insert_column_with_attributes(-1, "Job", new CellRendererText(), "text", 5);
156
157                 job_view.insert_column_with_attributes(-1, "Job", new CellRendererText(), "text", 0);
158                 job_view.insert_column_with_attributes(-1, "Unit", new CellRendererText(), "text", 1);
159                 job_view.insert_column_with_attributes(-1, "Type", new CellRendererText(), "text", 2);
160                 job_view.insert_column_with_attributes(-1, "State", new CellRendererText(), "text", 3);
161
162                 ScrolledWindow scroll = new ScrolledWindow(null, null);
163                 scroll.set_policy(PolicyType.AUTOMATIC, PolicyType.AUTOMATIC);
164                 scroll.set_shadow_type(ShadowType.IN);
165                 scroll.add(unit_view);
166                 unit_vbox.pack_start(scroll, true, true, 0);
167
168                 scroll = new ScrolledWindow(null, null);
169                 scroll.set_policy(PolicyType.AUTOMATIC, PolicyType.AUTOMATIC);
170                 scroll.set_shadow_type(ShadowType.IN);
171                 scroll.add(job_view);
172                 job_vbox.pack_start(scroll, true, true, 0);
173
174                 unit_id_label = new RightLabel();
175                 unit_aliases_label = new RightLabel();
176                 unit_description_label = new RightLabel();
177                 unit_load_state_label = new RightLabel();
178                 unit_active_state_label = new RightLabel();
179                 unit_sub_state_label = new RightLabel();
180                 unit_fragment_path_label = new RightLabel();
181                 unit_active_enter_timestamp_label = new RightLabel();
182                 unit_active_exit_timestamp_label = new RightLabel();
183                 unit_can_start_label = new RightLabel();
184                 unit_can_reload_label = new RightLabel();
185                 unit_cgroup_label = new RightLabel();
186
187                 job_id_label = new RightLabel();
188                 job_state_label = new RightLabel();
189                 job_type_label = new RightLabel();
190
191                 Table unit_table = new Table(8, 6, false);
192                 unit_table.set_row_spacings(6);
193                 unit_table.set_border_width(0);
194                 unit_vbox.pack_start(unit_table, false, true, 0);
195
196                 Table job_table = new Table(2, 2, false);
197                 job_table.set_row_spacings(6);
198                 job_table.set_border_width(0);
199                 job_vbox.pack_start(job_table, false, true, 0);
200
201                 unit_table.attach(new LeftLabel("Id:"),                     0, 1, 0, 1, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
202                 unit_table.attach(unit_id_label,                            1, 5, 0, 1, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
203                 unit_table.attach(new LeftLabel("Aliases:"),                0, 1, 1, 2, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
204                 unit_table.attach(unit_aliases_label,                       1, 5, 1, 2, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
205                 unit_table.attach(new LeftLabel("Description:"),            0, 1, 2, 3, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
206                 unit_table.attach(unit_description_label,                   1, 5, 2, 3, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
207                 unit_table.attach(new LeftLabel("Fragment Path:"),          0, 1, 3, 4, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
208                 unit_table.attach(unit_fragment_path_label,                 1, 5, 3, 4, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
209                 unit_table.attach(new LeftLabel("Control Group:"),          0, 1, 4, 5, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
210                 unit_table.attach(unit_cgroup_label,                        1, 5, 4, 5, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
211
212                 unit_table.attach(new LeftLabel("Load State:"),             0, 1, 5, 6, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
213                 unit_table.attach(unit_load_state_label,                    1, 2, 5, 6, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
214                 unit_table.attach(new LeftLabel("Active State:"),           0, 1, 6, 7, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
215                 unit_table.attach(unit_active_state_label,                  1, 2, 6, 7, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
216                 unit_table.attach(new LeftLabel("Unit State:"),             0, 1, 7, 8, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
217                 unit_table.attach(unit_sub_state_label,                     1, 2, 7, 8, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
218
219                 unit_table.attach(new LeftLabel("Active Enter Timestamp:"), 2, 3, 6, 7, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
220                 unit_table.attach(unit_active_enter_timestamp_label,        3, 4, 6, 7, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
221                 unit_table.attach(new LeftLabel("Active Exit Timestamp:"),  2, 3, 7, 8, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
222                 unit_table.attach(unit_active_exit_timestamp_label,         3, 4, 7, 8, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
223
224                 unit_table.attach(new LeftLabel("Can Start/Stop:"),         4, 5, 6, 7, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
225                 unit_table.attach(unit_can_start_label,                     5, 6, 6, 7, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
226                 unit_table.attach(new LeftLabel("Can Reload:"),             4, 5, 7, 8, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
227                 unit_table.attach(unit_can_reload_label,                    5, 6, 7, 8, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
228
229                 job_table.attach(new LeftLabel("Id:"),                      0, 1, 0, 1, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
230                 job_table.attach(job_id_label,                              1, 2, 0, 1, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
231                 job_table.attach(new LeftLabel("State:"),                   0, 1, 1, 2, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
232                 job_table.attach(job_state_label,                           1, 2, 1, 2, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
233                 job_table.attach(new LeftLabel("Type:"),                    0, 1, 2, 3, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
234                 job_table.attach(job_type_label,                            1, 2, 2, 3, AttachOptions.EXPAND|AttachOptions.FILL, AttachOptions.FILL, 0, 0);
235
236                 ButtonBox bbox = new HButtonBox();
237                 bbox.set_layout(ButtonBoxStyle.START);
238                 bbox.set_spacing(6);
239                 unit_vbox.pack_start(bbox, false, true, 0);
240
241                 start_button = new Button.with_mnemonic("_Start");
242                 stop_button = new Button.with_mnemonic("Sto_p");
243                 reload_button = new Button.with_mnemonic("_Reload");
244                 restart_button = new Button.with_mnemonic("Res_tart");
245
246                 start_button.clicked += on_start;
247                 stop_button.clicked += on_stop;
248                 reload_button.clicked += on_reload;
249                 restart_button.clicked += on_restart;
250
251                 bbox.pack_start(start_button, false, true, 0);
252                 bbox.pack_start(stop_button, false, true, 0);
253                 bbox.pack_start(restart_button, false, true, 0);
254                 bbox.pack_start(reload_button, false, true, 0);
255
256                 bbox = new HButtonBox();
257                 bbox.set_layout(ButtonBoxStyle.START);
258                 bbox.set_spacing(6);
259                 job_vbox.pack_start(bbox, false, true, 0);
260
261                 cancel_button = new Button.with_mnemonic("_Cancel");
262
263                 cancel_button.clicked += on_cancel;
264
265                 bbox.pack_start(cancel_button, false, true, 0);
266
267                 bus = Bus.get(session ? BusType.SESSION : BusType.SYSTEM);
268
269                 manager = bus.get_object(
270                                 "org.freedesktop.systemd1",
271                                 "/org/freedesktop/systemd1",
272                                 "org.freedesktop.systemd1.Manager") as Manager;
273
274                 manager.unit_new += on_unit_new;
275                 manager.job_new += on_job_new;
276                 manager.unit_removed += on_unit_removed;
277                 manager.job_removed += on_job_removed;
278
279                 manager.subscribe();
280
281                 clear_unit();
282                 clear_job();
283                 populate_unit_model();
284                 populate_job_model();
285         }
286
287         public void populate_unit_model() throws DBus.Error {
288                 unit_model.clear();
289
290                 var list = manager.list_units();
291
292                 foreach (var i in list) {
293                         TreeIter iter;
294
295                         Unit u = bus.get_object(
296                                         "org.freedesktop.systemd1",
297                                         i.unit_path,
298                                         "org.freedesktop.systemd1.Unit") as Unit;
299
300                         unit_model.append(out iter);
301                         unit_model.set(iter,
302                                        0, i.id,
303                                        1, i.description,
304                                        2, i.load_state,
305                                        3, i.active_state,
306                                        4, i.sub_state,
307                                        5, i.job_type != "" ? "→ %s".printf(i.job_type) : "",
308                                        6, u);
309                 }
310         }
311
312         public void populate_job_model() throws DBus.Error {
313                 job_model.clear();
314
315                 var list = manager.list_jobs();
316
317                 foreach (var i in list) {
318                         TreeIter iter;
319
320                         Job j = bus.get_object(
321                                         "org.freedesktop.systemd1",
322                                         i.job_path,
323                                         "org.freedesktop.systemd1.Job") as Job;
324
325                         job_model.append(out iter);
326                         job_model.set(iter,
327                                       0, "%u".printf(i.id),
328                                       1, i.name,
329                                       2, "→ %s".printf(i.type),
330                                       3, i.state,
331                                       4, j,
332                                       5, i.id);
333                 }
334         }
335
336         public Unit? get_current_unit() {
337                 TreePath p;
338                 unit_view.get_cursor(out p, null);
339
340                 if (p == null)
341                         return null;
342
343                 TreeModel model = unit_view.get_model();
344                 TreeIter iter;
345                 Unit u;
346
347                 model.get_iter(out iter, p);
348                 model.get(iter, 6, out u);
349
350                 return u;
351         }
352
353         public void unit_changed() {
354                 Unit u = get_current_unit();
355
356                 if (u == null)
357                         clear_unit();
358                 else
359                         show_unit(u);
360         }
361
362         public void clear_unit() {
363                 current_unit_id = null;
364
365                 start_button.set_sensitive(false);
366                 stop_button.set_sensitive(false);
367                 reload_button.set_sensitive(false);
368                 restart_button.set_sensitive(false);
369
370                 unit_id_label.set_text_or_na();
371                 unit_aliases_label.set_text_or_na();
372                 unit_description_label.set_text_or_na();
373                 unit_load_state_label.set_text_or_na();
374                 unit_active_state_label.set_text_or_na();
375                 unit_sub_state_label.set_text_or_na();
376                 unit_fragment_path_label.set_text_or_na();
377                 unit_active_enter_timestamp_label.set_text_or_na();
378                 unit_active_exit_timestamp_label.set_text_or_na();
379                 unit_can_reload_label.set_text_or_na();
380                 unit_can_start_label.set_text_or_na();
381                 unit_cgroup_label.set_text_or_na();
382         }
383
384         public void show_unit(Unit unit) {
385                 current_unit_id = unit.id;
386
387                 unit_id_label.set_text_or_na(current_unit_id);
388                 unit_aliases_label.set_text_or_na(string.joinv("\n", unit.names));
389
390                 unit_description_label.set_text_or_na(unit.description);
391                 unit_load_state_label.set_text_or_na(unit.load_state);
392                 unit_active_state_label.set_text_or_na(unit.active_state);
393                 unit_sub_state_label.set_text_or_na(unit.sub_state);
394                 unit_fragment_path_label.set_text_or_na(unit.fragment_path);
395
396                 uint64 t = unit.active_enter_timestamp;
397                 if (t > 0) {
398                         TimeVal tv = { (long) (t / 1000000), (long) (t % 1000000) };
399                         unit_active_enter_timestamp_label.set_text_or_na(tv.to_iso8601());
400                 } else
401                         unit_active_enter_timestamp_label.set_text_or_na();
402
403                 t = unit.active_exit_timestamp;
404                 if (t > 0) {
405                         TimeVal tv = { (long) (t / 1000000), (long) (t % 1000000) };
406                         unit_active_exit_timestamp_label.set_text_or_na(tv.to_iso8601());
407                 } else
408                         unit_active_exit_timestamp_label.set_text_or_na();
409
410                 bool b = unit.can_start;
411                 start_button.set_sensitive(b);
412                 stop_button.set_sensitive(b);
413                 restart_button.set_sensitive(b);
414                 unit_can_start_label.set_text_or_na(b ? "Yes" : "No");
415
416                 b = unit.can_reload;
417                 reload_button.set_sensitive(b);
418                 unit_can_reload_label.set_text_or_na(b ? "Yes" : "No");
419
420                 unit_cgroup_label.set_text_or_na(unit.default_control_group);
421         }
422
423         public Job? get_current_job() {
424                 TreePath p;
425                 job_view.get_cursor(out p, null);
426
427                 if (p == null)
428                         return null;
429
430                 TreeIter iter;
431                 TreeModel model = job_view.get_model();
432                 Job *j;
433
434                 model.get_iter(out iter, p);
435                 model.get(iter, 4, out j);
436
437                 return j;
438         }
439
440         public void job_changed() {
441                 Job j = get_current_job();
442
443                 if (j == null)
444                         clear_job();
445                 else
446                         show_job(j);
447         }
448
449         public void clear_job() {
450                 current_job_id = 0;
451
452                 job_id_label.set_text_or_na();
453                 job_state_label.set_text_or_na();
454                 job_type_label.set_text_or_na();
455
456                 cancel_button.set_sensitive(false);
457         }
458
459         public void show_job(Job job) {
460                 current_job_id = job.id;
461
462                 job_id_label.set_text_or_na("%u".printf(current_job_id));
463                 job_state_label.set_text_or_na(job.state);
464                 job_type_label.set_text_or_na(job.job_type);
465
466                 cancel_button.set_sensitive(true);
467         }
468
469         public void on_start() {
470                 Unit u = get_current_unit();
471
472                 if (u == null)
473                         return;
474
475                 try {
476                         u.start("replace");
477                 } catch (DBus.Error e) {
478                         message("%s", e.message);
479                 }
480         }
481
482         public void on_stop() {
483                 Unit u = get_current_unit();
484
485                 if (u == null)
486                         return;
487
488                 try {
489                         u.stop("replace");
490                 } catch (DBus.Error e) {
491                         message("%s", e.message);
492                 }
493         }
494
495         public void on_reload() {
496                 Unit u = get_current_unit();
497
498                 if (u == null)
499                         return;
500
501                 try {
502                         u.reload("replace");
503                 } catch (DBus.Error e) {
504                         message("%s", e.message);
505                 }
506         }
507
508         public void on_restart() {
509                 Unit u = get_current_unit();
510
511                 if (u == null)
512                         return;
513
514                 try {
515                         u.restart("replace");
516                 } catch (DBus.Error e) {
517                         message("%s", e.message);
518                 }
519         }
520
521         public void on_cancel() {
522                 Job j = get_current_job();
523
524                 if (j == null)
525                         return;
526
527                 try {
528                         j.cancel();
529                 } catch (DBus.Error e) {
530                         message("%s", e.message);
531                 }
532         }
533
534         public void on_unit_new(string id, ObjectPath path) {
535                 Unit u = bus.get_object(
536                                 "org.freedesktop.systemd1",
537                                 path,
538                                 "org.freedesktop.systemd1.Unit") as Unit;
539
540                 string t = "";
541                 Unit.JobLink jl = u.job;
542
543                 if (jl.id != 0) {
544                         Job j = bus.get_object(
545                                         "org.freedesktop.systemd1",
546                                         jl.path,
547                                         "org.freedesktop.systemd1.Job") as Job;
548
549                         t = j.job_type;
550                 }
551
552                 TreeIter iter;
553                 unit_model.append(out iter);
554                 unit_model.set(iter,
555                                0, id,
556                                1, u.description,
557                                2, u.load_state,
558                                3, u.active_state,
559                                4, u.sub_state,
560                                5, t != "" ? "→ %s".printf(t) : "",
561                                6, u);
562         }
563
564         public void on_job_new(uint32 id, ObjectPath path) {
565                 Job j = bus.get_object(
566                                 "org.freedesktop.systemd1",
567                                 path,
568                                 "org.freedesktop.systemd1.Job") as Job;
569
570                 TreeIter iter;
571                 job_model.append(out iter);
572                 job_model.set(iter,
573                               0, "%u".printf(j.id),
574                               1, j.unit.id,
575                               2, "→ %s".printf(j.job_type),
576                               3, j.state,
577                               4, j,
578                               5, id);
579         }
580
581         public void on_unit_removed(string id, ObjectPath path) {
582                 TreeIter iter;
583                 if (!(unit_model.get_iter_first(out iter)))
584                         return;
585
586                 do {
587                         string name;
588
589                         unit_model.get(iter, 0, out name);
590
591                         if (id == name) {
592                                 if (current_unit_id == name)
593                                         clear_unit();
594
595                                 unit_model.remove(iter);
596                                 break;
597                         }
598
599                 } while (unit_model.iter_next(ref iter));
600         }
601
602         public void on_job_removed(uint32 id, ObjectPath path) {
603                 TreeIter iter;
604                 if (!(job_model.get_iter_first(out iter)))
605                         return;
606
607                 do {
608                         uint32 j;
609
610                         job_model.get(iter, 5, out j);
611
612                         if (id == j) {
613                                 if (current_job_id == j)
614                                         clear_job();
615
616                                 job_model.remove(iter);
617
618                                 break;
619                         }
620
621                 } while (job_model.iter_next(ref iter));
622         }
623
624         public bool unit_filter(TreeModel model, TreeIter iter) {
625                 string id, active_state;
626
627                 model.get(iter, 0, out id, 3, out active_state);
628
629                 if (id == null)
630                         return false;
631
632                 switch (unit_type_combo_box.get_active()) {
633
634                         case 0:
635                                 return true;
636
637                         case 1:
638                                 return active_state != "inactive";
639
640                         case 2:
641                                 return id.has_suffix(".service");
642
643                         case 3:
644                                 return id.has_suffix(".socket");
645
646                         case 4:
647                                 return id.has_suffix(".device");
648
649                         case 5:
650                                 return id.has_suffix(".mount");
651
652                         case 6:
653                                 return id.has_suffix(".automount");
654
655                         case 7:
656                                 return id.has_suffix(".target");
657
658                         case 8:
659                                 return id.has_suffix(".snapshot");
660                 }
661
662                 return false;
663         }
664
665         public void unit_type_changed() {
666                 TreeModelFilter model = (TreeModelFilter) unit_view.get_model();
667
668                 model.refilter();
669         }
670
671         public void on_server_reload() {
672                 try {
673                         manager.reload();
674                 } catch (DBus.Error e) {
675                         message("%s", e.message);
676                 }
677         }
678
679         public void on_server_snapshot() {
680                 try {
681                         manager.create_snapshot();
682
683                         if (unit_type_combo_box.get_active() != 0)
684                                 unit_type_combo_box.set_active(8);
685
686                 } catch (DBus.Error e) {
687                         message("%s", e.message);
688                 }
689         }
690 }
691
692 static const OptionEntry entries[] = {
693         { "session", 0,   0,                   OptionArg.NONE,   out session, "Connect to session bus", null },
694         { "system",  0,   OptionFlags.REVERSE, OptionArg.NONE,   out session, "Connect to system bus", null },
695         { null }
696 };
697
698 int main (string[] args) {
699
700         try {
701                 Gtk.init_with_args(ref args, "[OPTION...]", entries, "systemadm");
702
703                 MainWindow window = new MainWindow();
704                 window.show_all();
705
706                 Gtk.main();
707         } catch (DBus.Error e) {
708                 message("%s", e.message);
709         } catch (GLib.Error e) {
710                 message("%s", e.message);
711         }
712
713         return 0;
714 }