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 += 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 += 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 += on_unit_load_entry_changed;
 145                 unit_load_entry.activate += on_unit_load;
 146                 unit_load_button.clicked += 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 += on_server_snapshot;
 156                 server_reload_button.clicked += 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 += unit_changed;
 173                 job_view.cursor_changed += 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 += 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 += on_start;
 280                 stop_button.clicked += on_stop;
 281                 reload_button.clicked += on_reload;
 282                 restart_button.clicked += 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 += on_cancel;
 297
 298                 bbox.pack_start(cancel_button, false, true, 0);
 299
 300                 bus = Bus.get(session ? BusType.SESSION : 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 += on_unit_new;
 308                 manager.job_new += on_job_new;
 309                 manager.unit_removed += on_unit_removed;
 310                 manager.job_removed += 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                         Unit u = bus.get_object(
 329                                         "org.freedesktop.systemd1",
 330                                         i.unit_path,
 331                                         "org.freedesktop.systemd1.Unit") as Unit;
 332
 333                         u.changed += on_unit_changed;
 334
 335                         unit_model.append(out iter);
 336                         unit_model.set(iter,
 337                                        0, i.id,
 338                                        1, i.description,
 339                                        2, i.load_state,
 340                                        3, i.active_state,
 341                                        4, i.sub_state,
 342                                        5, i.job_type != "" ? "→ %s".printf(i.job_type) : "",
 343                                        6, u);
 344                 }
 345         }
 346
 347         public void populate_job_model() throws DBus.Error {
 348                 job_model.clear();
 349
 350                 var list = manager.list_jobs();
 351
 352                 foreach (var i in list) {
 353                         TreeIter iter;
 354
 355                         Job j = bus.get_object(
 356                                         "org.freedesktop.systemd1",
 357                                         i.job_path,
 358                                         "org.freedesktop.systemd1.Job") as Job;
 359
 360                         j.changed += on_job_changed;
 361
 362                         job_model.append(out iter);
 363                         job_model.set(iter,
 364                                       0, "%u".printf(i.id),
 365                                       1, i.name,
 366                                       2, "→ %s".printf(i.type),
 367                                       3, i.state,
 368                                       4, j,
 369                                       5, i.id);
 370                 }
 371         }
 372
 373         public Unit? get_current_unit() {
 374                 TreePath p;
 375                 unit_view.get_cursor(out p, null);
 376
 377                 if (p == null)
 378                         return null;
 379
 380                 TreeModel model = unit_view.get_model();
 381                 TreeIter iter;
 382                 Unit u;
 383
 384                 model.get_iter(out iter, p);
 385                 model.get(iter, 6, out u);
 386
 387                 return u;
 388         }
 389
 390         public void unit_changed() {
 391                 Unit u = get_current_unit();
 392
 393                 if (u == null)
 394                         clear_unit();
 395                 else
 396                         show_unit(u);
 397         }
 398
 399         public void clear_unit() {
 400                 current_unit_id = null;
 401
 402                 start_button.set_sensitive(false);
 403                 stop_button.set_sensitive(false);
 404                 reload_button.set_sensitive(false);
 405                 restart_button.set_sensitive(false);
 406
 407                 unit_id_label.set_text_or_na();
 408                 unit_aliases_label.set_text_or_na();
 409                 unit_description_label.set_text_or_na();
 410                 unit_description_label.set_text_or_na();
 411                 unit_load_state_label.set_text_or_na();
 412                 unit_active_state_label.set_text_or_na();
 413                 unit_sub_state_label.set_text_or_na();
 414                 unit_fragment_path_label.set_text_or_na();
 415                 unit_active_enter_timestamp_label.set_text_or_na();
 416                 unit_active_exit_timestamp_label.set_text_or_na();
 417                 unit_can_reload_label.set_text_or_na();
 418                 unit_can_start_label.set_text_or_na();
 419                 unit_cgroup_label.set_text_or_na();
 420         }
 421
 422         public string make_dependency_string(string? prefix, string word, string[] dependencies) {
 423                 bool first = true;
 424                 string r;
 425
 426                 if (prefix == null)
 427                         r = "";
 428                 else
 429                         r = prefix;
 430
 431                 foreach (string i in dependencies) {
 432                         if (r != "")
 433                                 r += first ? "\n" : ",";
 434
 435                         if (first) {
 436                                 r += word;
 437                                 first = false;
 438                         }
 439
 440                         r += " <a href=\"" + i + "\">" + i + "</a>";
 441                 }
 442
 443                 return r;
 444         }
 445
 446         public void show_unit(Unit unit) {
 447                 current_unit_id = unit.id;
 448
 449                 unit_id_label.set_text_or_na(current_unit_id);
 450
 451                 string a = "";
 452                 foreach (string i in unit.names) {
 453                         if (i == current_unit_id)
 454                                 continue;
 455
 456                         if (a == "")
 457                                 a = i;
 458                         else
 459                                 a += "\n" + i;
 460                 }
 461
 462                 unit_aliases_label.set_text_or_na(a);
 463
 464                 string[]
 465                         requires = unit.requires,
 466                         requires_overridable = unit.requires_overridable,
 467                         requisite = unit.requisite,
 468                         requisite_overridable = unit.requisite_overridable,
 469                         wants = unit.wants,
 470                         required_by = unit.required_by,
 471                         required_by_overridable = unit.required_by_overridable,
 472                         wanted_by = unit.wanted_by,
 473                         conflicts = unit.conflicts,
 474                         before = unit.before,
 475                         after = unit.after;
 476
 477                 unit_dependency_label.set_markup_or_na(
 478                                 make_dependency_string(
 479                                 make_dependency_string(
 480                                 make_dependency_string(
 481                                 make_dependency_string(
 482                                 make_dependency_string(
 483                                 make_dependency_string(
 484                                 make_dependency_string(
 485                                 make_dependency_string(
 486                                 make_dependency_string(
 487                                 make_dependency_string(
 488                                 make_dependency_string(null,
 489                                 "requires", requires),
 490                                 "overridable requires", requires_overridable),
 491                                 "requisite", requisite),
 492                                 "overridable requisite", requisite_overridable),
 493                                 "wants", wants),
 494                                 "conflicts", conflicts),
 495                                 "required by", required_by),
 496                                 "overridable required by", required_by_overridable),
 497                                 "wanted by", wanted_by),
 498                                 "after", after),
 499                                 "before", before));
 500
 501                 unit_description_label.set_text_or_na(unit.description);
 502                 unit_load_state_label.set_text_or_na(unit.load_state);
 503                 unit_active_state_label.set_text_or_na(unit.active_state);
 504                 unit_sub_state_label.set_text_or_na(unit.sub_state);
 505                 if (unit.fragment_path != null)
 506                         unit_fragment_path_label.set_markup_or_na("<a href=\"file://" + unit.fragment_path +"\">" + unit.fragment_path + "</a>" );
 507                 else
 508                         unit_fragment_path_label.set_markup_or_na(null);
 509
 510                 uint64 t = unit.active_enter_timestamp;
 511                 if (t > 0) {
 512                         Time timestamp = Time.local((time_t) (t / 1000000));
 513                         unit_active_enter_timestamp_label.set_text_or_na(timestamp.format("%a, %d %b %Y %H:%M:%S %z"));
 514                 } else
 515                         unit_active_enter_timestamp_label.set_text_or_na();
 516
 517                 t = unit.active_exit_timestamp;
 518                 if (t > 0) {
 519                         Time timestamp = Time.local((time_t) (t / 1000000));
 520                         unit_active_exit_timestamp_label.set_text_or_na(timestamp.format("%a, %d %b %Y %H:%M:%S %z"));
 521                 } else
 522                         unit_active_exit_timestamp_label.set_text_or_na();
 523
 524                 bool b = unit.can_start;
 525                 start_button.set_sensitive(b);
 526                 stop_button.set_sensitive(b);
 527                 restart_button.set_sensitive(b);
 528                 unit_can_start_label.set_text_or_na(b ? "Yes" : "No");
 529
 530                 b = unit.can_reload;
 531                 reload_button.set_sensitive(b);
 532                 unit_can_reload_label.set_text_or_na(b ? "Yes" : "No");
 533
 534                 unit_cgroup_label.set_text_or_na(unit.default_control_group);
 535         }
 536
 537         public Job? get_current_job() {
 538                 TreePath p;
 539                 job_view.get_cursor(out p, null);
 540
 541                 if (p == null)
 542                         return null;
 543
 544                 TreeIter iter;
 545                 TreeModel model = job_view.get_model();
 546                 Job *j;
 547
 548                 model.get_iter(out iter, p);
 549                 model.get(iter, 4, out j);
 550
 551                 return j;
 552         }
 553
 554         public void job_changed() {
 555                 Job j = get_current_job();
 556
 557                 if (j == null)
 558                         clear_job();
 559                 else
 560                         show_job(j);
 561         }
 562
 563         public void clear_job() {
 564                 current_job_id = 0;
 565
 566                 job_id_label.set_text_or_na();
 567                 job_state_label.set_text_or_na();
 568                 job_type_label.set_text_or_na();
 569
 570                 cancel_button.set_sensitive(false);
 571         }
 572
 573         public void show_job(Job job) {
 574                 current_job_id = job.id;
 575
 576                 job_id_label.set_text_or_na("%u".printf(current_job_id));
 577                 job_state_label.set_text_or_na(job.state);
 578                 job_type_label.set_text_or_na(job.job_type);
 579
 580                 cancel_button.set_sensitive(true);
 581         }
 582
 583         public void on_start() {
 584                 Unit u = get_current_unit();
 585
 586                 if (u == null)
 587                         return;
 588
 589                 try {
 590                         u.start("replace");
 591                 } catch (DBus.Error e) {
 592                         show_error(e.message);
 593                 }
 594         }
 595
 596         public void on_stop() {
 597                 Unit u = get_current_unit();
 598
 599                 if (u == null)
 600                         return;
 601
 602                 try {
 603                         u.stop("replace");
 604                 } catch (DBus.Error e) {
 605                         show_error(e.message);
 606                 }
 607         }
 608
 609         public void on_reload() {
 610                 Unit u = get_current_unit();
 611
 612                 if (u == null)
 613                         return;
 614
 615                 try {
 616                         u.reload("replace");
 617                 } catch (DBus.Error e) {
 618                         show_error(e.message);
 619                 }
 620         }
 621
 622         public void on_restart() {
 623                 Unit u = get_current_unit();
 624
 625                 if (u == null)
 626                         return;
 627
 628                 try {
 629                         u.restart("replace");
 630                 } catch (DBus.Error e) {
 631                         show_error(e.message);
 632                 }
 633         }
 634
 635         public void on_cancel() {
 636                 Job j = get_current_job();
 637
 638                 if (j == null)
 639                         return;
 640
 641                 try {
 642                         j.cancel();
 643                 } catch (DBus.Error e) {
 644                         show_error(e.message);
 645                 }
 646         }
 647
 648         public void update_unit_iter(TreeIter iter, string id, Unit u) {
 649
 650                 string t = "";
 651                 Unit.JobLink jl = u.job;
 652
 653                 if (jl.id != 0) {
 654                         Job j = bus.get_object(
 655                                         "org.freedesktop.systemd1",
 656                                         jl.path,
 657                                         "org.freedesktop.systemd1.Job") as Job;
 658
 659                         t = j.job_type;
 660                 }
 661
 662                 unit_model.set(iter,
 663                                0, id,
 664                                1, u.description,
 665                                2, u.load_state,
 666                                3, u.active_state,
 667                                4, u.sub_state,
 668                                5, t != "" ? "→ %s".printf(t) : "",
 669                                6, u);
 670         }
 671
 672         public void on_unit_new(string id, ObjectPath path) {
 673                 Unit u = bus.get_object(
 674                                 "org.freedesktop.systemd1",
 675                                 path,
 676                                 "org.freedesktop.systemd1.Unit") as Unit;
 677
 678                 u.changed += on_unit_changed;
 679
 680                 TreeIter iter;
 681                 unit_model.append(out iter);
 682                 update_unit_iter(iter, id, u);
 683         }
 684
 685         public void update_job_iter(TreeIter iter, uint32 id, Job j) {
 686                 job_model.set(iter,
 687                               0, "%u".printf(id),
 688                               1, j.unit.id,
 689                               2, "→ %s".printf(j.job_type),
 690                               3, j.state,
 691                               4, j,
 692                               5, id);
 693         }
 694
 695         public void on_job_new(uint32 id, ObjectPath path) {
 696                 Job j = bus.get_object(
 697                                 "org.freedesktop.systemd1",
 698                                 path,
 699                                 "org.freedesktop.systemd1.Job") as Job;
 700
 701                 j.changed += on_job_changed;
 702
 703                 TreeIter iter;
 704                 job_model.append(out iter);
 705                 update_job_iter(iter, id, j);
 706         }
 707
 708         public void on_unit_removed(string id, ObjectPath path) {
 709                 TreeIter iter;
 710                 if (!(unit_model.get_iter_first(out iter)))
 711                         return;
 712
 713                 do {
 714                         string name;
 715
 716                         unit_model.get(iter, 0, out name);
 717
 718                         if (id == name) {
 719                                 if (current_unit_id == name)
 720                                         clear_unit();
 721
 722                                 unit_model.remove(iter);
 723                                 break;
 724                         }
 725
 726                 } while (unit_model.iter_next(ref iter));
 727         }
 728
 729         public void on_job_removed(uint32 id, ObjectPath path) {
 730                 TreeIter iter;
 731                 if (!(job_model.get_iter_first(out iter)))
 732                         return;
 733
 734                 do {
 735                         uint32 j;
 736
 737                         job_model.get(iter, 5, out j);
 738
 739                         if (id == j) {
 740                                 if (current_job_id == j)
 741                                         clear_job();
 742
 743                                 job_model.remove(iter);
 744
 745                                 break;
 746                         }
 747
 748                 } while (job_model.iter_next(ref iter));
 749         }
 750
 751         public void on_unit_changed(Unit u) {
 752                 TreeIter iter;
 753                 string id;
 754
 755                 if (!(unit_model.get_iter_first(out iter)))
 756                         return;
 757
 758                 id = u.id;
 759
 760                 do {
 761                         string name;
 762
 763                         unit_model.get(iter, 0, out name);
 764
 765                         if (id == name) {
 766                                 update_unit_iter(iter, id, u);
 767
 768                                 if (current_unit_id == id)
 769                                         show_unit(u);
 770
 771                                 break;
 772                         }
 773
 774                 } while (unit_model.iter_next(ref iter));
 775         }
 776
 777         public void on_job_changed(Job j) {
 778                 TreeIter iter;
 779                 uint32 id;
 780
 781                 if (!(job_model.get_iter_first(out iter)))
 782                         return;
 783
 784                 id = j.id;
 785
 786                 do {
 787                         uint32 k;
 788
 789                         job_model.get(iter, 5, out k);
 790
 791                         if (id == k) {
 792                                 update_job_iter(iter, id, j);
 793
 794                                 if (current_job_id == id)
 795                                         show_job(j);
 796
 797                                 break;
 798                         }
 799
 800                 } while (job_model.iter_next(ref iter));
 801         }
 802
 803         public bool unit_filter(TreeModel model, TreeIter iter) {
 804                 string id, active_state, job;
 805
 806                 model.get(iter, 0, out id, 3, out active_state, 5, out job);
 807
 808                 if (id == null)
 809                         return false;
 810
 811                 switch (unit_type_combo_box.get_active()) {
 812
 813                         case 0:
 814                                 return true;
 815
 816                         case 1:
 817                                 return active_state != "inactive" || job != "";
 818
 819                         case 2:
 820                                 return id.has_suffix(".service");
 821
 822                         case 3:
 823                                 return id.has_suffix(".socket");
 824
 825                         case 4:
 826                                 return id.has_suffix(".device");
 827
 828                         case 5:
 829                                 return id.has_suffix(".mount");
 830
 831                         case 6:
 832                                 return id.has_suffix(".automount");
 833
 834                         case 7:
 835                                 return id.has_suffix(".target");
 836
 837                         case 8:
 838                                 return id.has_suffix(".snapshot");
 839                 }
 840
 841                 return false;
 842         }
 843
 844         public void unit_type_changed() {
 845                 TreeModelFilter model = (TreeModelFilter) unit_view.get_model();
 846
 847                 model.refilter();
 848         }
 849
 850         public void on_server_reload() {
 851                 try {
 852                         manager.reload();
 853                 } catch (DBus.Error e) {
 854                         show_error(e.message);
 855                 }
 856         }
 857
 858         public void on_server_snapshot() {
 859                 try {
 860                         manager.create_snapshot();
 861
 862                         if (unit_type_combo_box.get_active() != 0)
 863                                 unit_type_combo_box.set_active(8);
 864
 865                 } catch (DBus.Error e) {
 866                         show_error(e.message);
 867                 }
 868         }
 869
 870         public void on_unit_load() {
 871                 string t = unit_load_entry.get_text();
 872
 873                 if (t == "")
 874                         return;
 875
 876                 try {
 877                         var path = manager.load_unit(t);
 878
 879                         Unit u = bus.get_object(
 880                                         "org.freedesktop.systemd1",
 881                                         path,
 882                                         "org.freedesktop.systemd1.Unit") as Unit;
 883
 884                         var m = new MessageDialog(this,
 885                                                   DialogFlags.DESTROY_WITH_PARENT,
 886                                                   MessageType.INFO,
 887                                                   ButtonsType.CLOSE,
 888                                                   "Unit available as id %s", u.id);
 889                         m.title = "Unit";
 890                         m.run();
 891                         m.destroy();
 892
 893                         show_unit(u);
 894                 } catch (DBus.Error e) {
 895                         show_error(e.message);
 896                 }
 897         }
 898
 899         public void on_unit_load_entry_changed() {
 900                 unit_load_button.set_sensitive(unit_load_entry.get_text() != "");
 901         }
 902
 903         public bool on_activate_link(string uri) {
 904
 905                 try {
 906                         string path = manager.get_unit(uri);
 907
 908                         Unit u = bus.get_object(
 909                                         "org.freedesktop.systemd1",
 910                                         path,
 911                                         "org.freedesktop.systemd1.Unit") as Unit;
 912
 913                         show_unit(u);
 914                 } catch (DBus.Error e) {
 915                         show_error(e.message);
 916                 }
 917
 918                 return true;
 919         }
 920
 921         public void show_error(string e) {
 922                 var m = new MessageDialog(this,
 923                                           DialogFlags.DESTROY_WITH_PARENT,
 924                                           MessageType.ERROR,
 925                                           ButtonsType.CLOSE, "%s", e);
 926                 m.title = "Error";
 927                 m.run();
 928                 m.destroy();
 929         }
 930
 931 }
 932
 933 static const OptionEntry entries[] = {
 934         { "session", 0,   0,                   OptionArg.NONE,   out session, "Connect to session bus", null },
 935         { "system",  0,   OptionFlags.REVERSE, OptionArg.NONE,   out session, "Connect to system bus", null },
 936         { null }
 937 };
 938
 939 void show_error(string e) {
 940         var m = new MessageDialog(null, 0, MessageType.ERROR, ButtonsType.CLOSE, "%s", e);
 941         m.run();
 942         m.destroy();
 943 }
 944
 945 int main (string[] args) {
 946
 947         try {
 948                 Gtk.init_with_args(ref args, "[OPTION...]", entries, "systemadm");
 949
 950                 MainWindow window = new MainWindow();
 951                 window.show_all();
 952
 953                 Gtk.main();
 954         } catch (DBus.Error e) {
 955                 show_error(e.message);
 956         } catch (GLib.Error e) {
 957                 show_error(e.message);
 958         }
 959
 960         return 0;
 961 }