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, 6, 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, 6, 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, 6, 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, 6, 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, 6, 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
 389                 string a = "";
 390                 foreach (string i in unit.names) {
 391                         if (i == current_unit_id)
 392                                 continue;
 393
 394                         if (a == "")
 395                                 a = i;
 396                         else
 397                                 a += "\n" + i;
 398                 }
 399
 400                 unit_aliases_label.set_text_or_na(a);
 401                 unit_description_label.set_text_or_na(unit.description);
 402                 unit_load_state_label.set_text_or_na(unit.load_state);
 403                 unit_active_state_label.set_text_or_na(unit.active_state);
 404                 unit_sub_state_label.set_text_or_na(unit.sub_state);
 405                 unit_fragment_path_label.set_text_or_na(unit.fragment_path);
 406
 407                 uint64 t = unit.active_enter_timestamp;
 408                 if (t > 0) {
 409                         Time timestamp = Time.local((time_t) (t / 1000000));
 410                         unit_active_enter_timestamp_label.set_text_or_na(timestamp.format("%a, %d %b %Y %H:%M:%S %z"));
 411                 } else
 412                         unit_active_enter_timestamp_label.set_text_or_na();
 413
 414                 t = unit.active_exit_timestamp;
 415                 if (t > 0) {
 416                         Time timestamp = Time.local((time_t) (t / 1000000));
 417                         unit_active_exit_timestamp_label.set_text_or_na(timestamp.format("%a, %d %b %Y %H:%M:%S %z"));
 418                 } else
 419                         unit_active_exit_timestamp_label.set_text_or_na();
 420
 421                 bool b = unit.can_start;
 422                 start_button.set_sensitive(b);
 423                 stop_button.set_sensitive(b);
 424                 restart_button.set_sensitive(b);
 425                 unit_can_start_label.set_text_or_na(b ? "Yes" : "No");
 426
 427                 b = unit.can_reload;
 428                 reload_button.set_sensitive(b);
 429                 unit_can_reload_label.set_text_or_na(b ? "Yes" : "No");
 430
 431                 unit_cgroup_label.set_text_or_na(unit.default_control_group);
 432         }
 433
 434         public Job? get_current_job() {
 435                 TreePath p;
 436                 job_view.get_cursor(out p, null);
 437
 438                 if (p == null)
 439                         return null;
 440
 441                 TreeIter iter;
 442                 TreeModel model = job_view.get_model();
 443                 Job *j;
 444
 445                 model.get_iter(out iter, p);
 446                 model.get(iter, 4, out j);
 447
 448                 return j;
 449         }
 450
 451         public void job_changed() {
 452                 Job j = get_current_job();
 453
 454                 if (j == null)
 455                         clear_job();
 456                 else
 457                         show_job(j);
 458         }
 459
 460         public void clear_job() {
 461                 current_job_id = 0;
 462
 463                 job_id_label.set_text_or_na();
 464                 job_state_label.set_text_or_na();
 465                 job_type_label.set_text_or_na();
 466
 467                 cancel_button.set_sensitive(false);
 468         }
 469
 470         public void show_job(Job job) {
 471                 current_job_id = job.id;
 472
 473                 job_id_label.set_text_or_na("%u".printf(current_job_id));
 474                 job_state_label.set_text_or_na(job.state);
 475                 job_type_label.set_text_or_na(job.job_type);
 476
 477                 cancel_button.set_sensitive(true);
 478         }
 479
 480         public void on_start() {
 481                 Unit u = get_current_unit();
 482
 483                 if (u == null)
 484                         return;
 485
 486                 try {
 487                         u.start("replace");
 488                 } catch (DBus.Error e) {
 489                         show_error(e.message);
 490                 }
 491         }
 492
 493         public void on_stop() {
 494                 Unit u = get_current_unit();
 495
 496                 if (u == null)
 497                         return;
 498
 499                 try {
 500                         u.stop("replace");
 501                 } catch (DBus.Error e) {
 502                         show_error(e.message);
 503                 }
 504         }
 505
 506         public void on_reload() {
 507                 Unit u = get_current_unit();
 508
 509                 if (u == null)
 510                         return;
 511
 512                 try {
 513                         u.reload("replace");
 514                 } catch (DBus.Error e) {
 515                         show_error(e.message);
 516                 }
 517         }
 518
 519         public void on_restart() {
 520                 Unit u = get_current_unit();
 521
 522                 if (u == null)
 523                         return;
 524
 525                 try {
 526                         u.restart("replace");
 527                 } catch (DBus.Error e) {
 528                         show_error(e.message);
 529                 }
 530         }
 531
 532         public void on_cancel() {
 533                 Job j = get_current_job();
 534
 535                 if (j == null)
 536                         return;
 537
 538                 try {
 539                         j.cancel();
 540                 } catch (DBus.Error e) {
 541                         show_error(e.message);
 542                 }
 543         }
 544
 545         public void on_unit_new(string id, ObjectPath path) {
 546                 Unit u = bus.get_object(
 547                                 "org.freedesktop.systemd1",
 548                                 path,
 549                                 "org.freedesktop.systemd1.Unit") as Unit;
 550
 551                 string t = "";
 552                 Unit.JobLink jl = u.job;
 553
 554                 if (jl.id != 0) {
 555                         Job j = bus.get_object(
 556                                         "org.freedesktop.systemd1",
 557                                         jl.path,
 558                                         "org.freedesktop.systemd1.Job") as Job;
 559
 560                         t = j.job_type;
 561                 }
 562
 563                 TreeIter iter;
 564                 unit_model.append(out iter);
 565                 unit_model.set(iter,
 566                                0, id,
 567                                1, u.description,
 568                                2, u.load_state,
 569                                3, u.active_state,
 570                                4, u.sub_state,
 571                                5, t != "" ? "→ %s".printf(t) : "",
 572                                6, u);
 573         }
 574
 575         public void on_job_new(uint32 id, ObjectPath path) {
 576                 Job j = bus.get_object(
 577                                 "org.freedesktop.systemd1",
 578                                 path,
 579                                 "org.freedesktop.systemd1.Job") as Job;
 580
 581                 TreeIter iter;
 582                 job_model.append(out iter);
 583                 job_model.set(iter,
 584                               0, "%u".printf(j.id),
 585                               1, j.unit.id,
 586                               2, "→ %s".printf(j.job_type),
 587                               3, j.state,
 588                               4, j,
 589                               5, id);
 590         }
 591
 592         public void on_unit_removed(string id, ObjectPath path) {
 593                 TreeIter iter;
 594                 if (!(unit_model.get_iter_first(out iter)))
 595                         return;
 596
 597                 do {
 598                         string name;
 599
 600                         unit_model.get(iter, 0, out name);
 601
 602                         if (id == name) {
 603                                 if (current_unit_id == name)
 604                                         clear_unit();
 605
 606                                 unit_model.remove(iter);
 607                                 break;
 608                         }
 609
 610                 } while (unit_model.iter_next(ref iter));
 611         }
 612
 613         public void on_job_removed(uint32 id, ObjectPath path) {
 614                 TreeIter iter;
 615                 if (!(job_model.get_iter_first(out iter)))
 616                         return;
 617
 618                 do {
 619                         uint32 j;
 620
 621                         job_model.get(iter, 5, out j);
 622
 623                         if (id == j) {
 624                                 if (current_job_id == j)
 625                                         clear_job();
 626
 627                                 job_model.remove(iter);
 628
 629                                 break;
 630                         }
 631
 632                 } while (job_model.iter_next(ref iter));
 633         }
 634
 635         public bool unit_filter(TreeModel model, TreeIter iter) {
 636                 string id, active_state;
 637
 638                 model.get(iter, 0, out id, 3, out active_state);
 639
 640                 if (id == null)
 641                         return false;
 642
 643                 switch (unit_type_combo_box.get_active()) {
 644
 645                         case 0:
 646                                 return true;
 647
 648                         case 1:
 649                                 return active_state != "inactive";
 650
 651                         case 2:
 652                                 return id.has_suffix(".service");
 653
 654                         case 3:
 655                                 return id.has_suffix(".socket");
 656
 657                         case 4:
 658                                 return id.has_suffix(".device");
 659
 660                         case 5:
 661                                 return id.has_suffix(".mount");
 662
 663                         case 6:
 664                                 return id.has_suffix(".automount");
 665
 666                         case 7:
 667                                 return id.has_suffix(".target");
 668
 669                         case 8:
 670                                 return id.has_suffix(".snapshot");
 671                 }
 672
 673                 return false;
 674         }
 675
 676         public void unit_type_changed() {
 677                 TreeModelFilter model = (TreeModelFilter) unit_view.get_model();
 678
 679                 model.refilter();
 680         }
 681
 682         public void on_server_reload() {
 683                 try {
 684                         manager.reload();
 685                 } catch (DBus.Error e) {
 686                         show_error(e.message);
 687                 }
 688         }
 689
 690         public void on_server_snapshot() {
 691                 try {
 692                         manager.create_snapshot();
 693
 694                         if (unit_type_combo_box.get_active() != 0)
 695                                 unit_type_combo_box.set_active(8);
 696
 697                 } catch (DBus.Error e) {
 698                         show_error(e.message);
 699                 }
 700         }
 701
 702         public void show_error(string e) {
 703                 var m = new MessageDialog(this,
 704                                           DialogFlags.DESTROY_WITH_PARENT,
 705                                           MessageType.ERROR,
 706                                           ButtonsType.CLOSE, "%s", e);
 707                 m.run();
 708                 m.destroy();
 709         }
 710
 711 }
 712
 713 static const OptionEntry entries[] = {
 714         { "session", 0,   0,                   OptionArg.NONE,   out session, "Connect to session bus", null },
 715         { "system",  0,   OptionFlags.REVERSE, OptionArg.NONE,   out session, "Connect to system bus", null },
 716         { null }
 717 };
 718
 719 void show_error(string e) {
 720         var m = new MessageDialog(null, 0, MessageType.ERROR, ButtonsType.CLOSE, "%s", e);
 721         m.run();
 722         m.destroy();
 723 }
 724
 725 int main (string[] args) {
 726
 727         try {
 728                 Gtk.init_with_args(ref args, "[OPTION...]", entries, "systemadm");
 729
 730                 MainWindow window = new MainWindow();
 731                 window.show_all();
 732
 733                 Gtk.main();
 734         } catch (DBus.Error e) {
 735                 show_error(e.message);
 736         } catch (GLib.Error e) {
 737                 show_error(e.message);
 738         }
 739
 740         return 0;
 741 }