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