gio/gapplicationimpl-dbus.c

   1 /*
   2  * Copyright © 2010 Codethink Limited
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General
  15  * Public License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  *
  19  * Authors: Ryan Lortie <desrt@desrt.ca>
  20  */
  21
  22 #include "gapplicationimpl.h"
  23
  24 #include "gactiongroup.h"
  25 #include "gactiongroupexporter.h"
  26 #include "gremoteactiongroup.h"
  27 #include "gdbusactiongroup.h"
  28 #include "gapplication.h"
  29 #include "gfile.h"
  30 #include "gdbusconnection.h"
  31 #include "gdbusintrospection.h"
  32 #include "gdbuserror.h"
  33
  34 #include <string.h>
  35 #include <stdio.h>
  36
  37 #include "gapplicationcommandline.h"
  38 #include "gdbusmethodinvocation.h"
  39
  40 G_GNUC_INTERNAL gboolean
  41 g_dbus_action_group_sync (GDBusActionGroup  *group,
  42                           GCancellable      *cancellable,
  43                           GError           **error);
  44
  45
  46 /* DBus Interface definition {{{1 */
  47
  48 /* For documentation of these interfaces, see
  49  * http://live.gnome.org/GTK+/GApplication-dbus-apis
  50  */
  51 static const gchar org_gtk_Application_xml[] =
  52   "<node>"
  53   "  <interface name='org.gtk.Application'>"
  54   "    <method name='Activate'>"
  55   "      <arg type='a{sv}' name='platform-data' direction='in'/>"
  56   "    </method>"
  57   "    <method name='Open'>"
  58   "      <arg type='as' name='uris' direction='in'/>"
  59   "      <arg type='s' name='hint' direction='in'/>"
  60   "      <arg type='a{sv}' name='platform-data' direction='in'/>"
  61   "    </method>"
  62   "    <method name='CommandLine'>"
  63   "      <arg type='o' name='path' direction='in'/>"
  64   "      <arg type='aay' name='arguments' direction='in'/>"
  65   "      <arg type='a{sv}' name='platform-data' direction='in'/>"
  66   "      <arg type='i' name='exit-status' direction='out'/>"
  67   "    </method>"
  68   "  </interface>"
  69   "</node>";
  70
  71 static GDBusInterfaceInfo *org_gtk_Application;
  72
  73 static const gchar org_gtk_private_CommandLine_xml[] =
  74   "<node>"
  75   "  <interface name='org.gtk.private.CommandLine'>"
  76   "    <method name='Print'>"
  77   "      <arg type='s' name='message' direction='in'/>"
  78   "    </method>"
  79   "    <method name='PrintError'>"
  80   "      <arg type='s' name='message' direction='in'/>"
  81   "    </method>"
  82   "  </interface>"
  83   "</node>";
  84
  85 static GDBusInterfaceInfo *org_gtk_private_CommandLine;
  86
  87 /* GApplication implementation {{{1 */
  88 struct _GApplicationImpl
  89 {
  90   GDBusConnection *session_bus;
  91   GActionGroup    *exported_actions;
  92   const gchar     *bus_name;
  93
  94   gchar           *object_path;
  95   guint            object_id;
  96   guint            actions_id;
  97
  98   gboolean         properties_live;
  99   gboolean         primary;
 100   gpointer         app;
 101 };
 102
 103
 104 static GApplicationCommandLine *
 105 g_dbus_command_line_new (GDBusMethodInvocation *invocation);
 106
 107
 108 static void
 109 g_application_impl_method_call (GDBusConnection       *connection,
 110                                 const gchar           *sender,
 111                                 const gchar           *object_path,
 112                                 const gchar           *interface_name,
 113                                 const gchar           *method_name,
 114                                 GVariant              *parameters,
 115                                 GDBusMethodInvocation *invocation,
 116                                 gpointer               user_data)
 117 {
 118   GApplicationImpl *impl = user_data;
 119   GApplicationClass *class;
 120
 121   class = G_APPLICATION_GET_CLASS (impl->app);
 122
 123   if (strcmp (method_name, "Activate") == 0)
 124     {
 125       GVariant *platform_data;
 126
 127       g_variant_get (parameters, "(@a{sv})", &platform_data);
 128       class->before_emit (impl->app, platform_data);
 129       g_signal_emit_by_name (impl->app, "activate");
 130       class->after_emit (impl->app, platform_data);
 131       g_variant_unref (platform_data);
 132
 133       g_dbus_method_invocation_return_value (invocation, NULL);
 134     }
 135
 136   else if (strcmp (method_name, "Open") == 0)
 137     {
 138       GVariant *platform_data;
 139       const gchar *hint;
 140       GVariant *array;
 141       GFile **files;
 142       gint n, i;
 143
 144       g_variant_get (parameters, "(@ass@a{sv})",
 145                      &array, &hint, &platform_data);
 146
 147       n = g_variant_n_children (array);
 148       files = g_new (GFile *, n + 1);
 149
 150       for (i = 0; i < n; i++)
 151         {
 152           const gchar *uri;
 153
 154           g_variant_get_child (array, i, "&s", &uri);
 155           files[i] = g_file_new_for_uri (uri);
 156         }
 157       g_variant_unref (array);
 158       files[n] = NULL;
 159
 160       class->before_emit (impl->app, platform_data);
 161       g_signal_emit_by_name (impl->app, "open", files, n, hint);
 162       class->after_emit (impl->app, platform_data);
 163
 164       g_variant_unref (platform_data);
 165
 166       for (i = 0; i < n; i++)
 167         g_object_unref (files[i]);
 168       g_free (files);
 169
 170       g_dbus_method_invocation_return_value (invocation, NULL);
 171     }
 172
 173   else if (strcmp (method_name, "CommandLine") == 0)
 174     {
 175       GApplicationCommandLine *cmdline;
 176       GVariant *platform_data;
 177       int status;
 178
 179       cmdline = g_dbus_command_line_new (invocation);
 180       platform_data = g_variant_get_child_value (parameters, 2);
 181       class->before_emit (impl->app, platform_data);
 182       g_signal_emit_by_name (impl->app, "command-line", cmdline, &status);
 183       g_application_command_line_set_exit_status (cmdline, status);
 184       class->after_emit (impl->app, platform_data);
 185       g_variant_unref (platform_data);
 186       g_object_unref (cmdline);
 187     }
 188   else
 189     g_assert_not_reached ();
 190 }
 191
 192 static gchar *
 193 application_path_from_appid (const gchar *appid)
 194 {
 195   gchar *appid_path, *iter;
 196
 197   appid_path = g_strconcat ("/", appid, NULL);
 198   for (iter = appid_path; *iter; iter++)
 199     {
 200       if (*iter == '.')
 201         *iter = '/';
 202
 203       if (*iter == '-')
 204         *iter = '_';
 205     }
 206
 207   return appid_path;
 208 }
 209
 210 /* Attempt to become the primary instance.
 211  *
 212  * Returns %TRUE if everything went OK, regardless of if we became the
 213  * primary instance or not.  %FALSE is reserved for when something went
 214  * seriously wrong (and @error will be set too, in that case).
 215  *
 216  * After a %TRUE return, impl->primary will be TRUE if we were
 217  * successful.
 218  */
 219 static gboolean
 220 g_application_impl_attempt_primary (GApplicationImpl  *impl,
 221                                     GCancellable      *cancellable,
 222                                     GError           **error)
 223 {
 224   const static GDBusInterfaceVTable vtable = {
 225     g_application_impl_method_call,
 226   };
 227   GVariant *reply;
 228   guint32 rval;
 229
 230   if (org_gtk_Application == NULL)
 231     {
 232       GError *error = NULL;
 233       GDBusNodeInfo *info;
 234
 235       info = g_dbus_node_info_new_for_xml (org_gtk_Application_xml, &error);
 236       if G_UNLIKELY (info == NULL)
 237         g_error ("%s", error->message);
 238       org_gtk_Application = g_dbus_node_info_lookup_interface (info, "org.gtk.Application");
 239       g_assert (org_gtk_Application != NULL);
 240       g_dbus_interface_info_ref (org_gtk_Application);
 241       g_dbus_node_info_unref (info);
 242     }
 243
 244   /* We could possibly have been D-Bus activated as a result of incoming
 245    * requests on either the application or actiongroup interfaces.
 246    * Because of how GDBus dispatches messages, we need to ensure that
 247    * both of those things are registered before we attempt to request
 248    * our name.
 249    *
 250    * The action group need not be populated yet, as long as it happens
 251    * before we return to the mainloop.  The reason for that is because
 252    * GDBus does the check to make sure the object exists from the worker
 253    * thread but doesn't actually dispatch the action invocation until we
 254    * hit the mainloop in this thread.  There is also no danger of
 255    * receiving 'activate' or 'open' signals until after 'startup' runs,
 256    * for the same reason.
 257    */
 258   impl->object_id = g_dbus_connection_register_object (impl->session_bus, impl->object_path,
 259                                                        org_gtk_Application, &vtable, impl, NULL, error);
 260
 261   if (impl->object_id == 0)
 262     return FALSE;
 263
 264   impl->actions_id = g_dbus_connection_export_action_group (impl->session_bus, impl->object_path,
 265                                                             impl->exported_actions, error);
 266
 267   if (impl->actions_id == 0)
 268     return FALSE;
 269
 270   if (impl->bus_name == NULL)
 271     {
 272       /* If this is a non-unique application then it is sufficient to
 273        * have our object paths registered. We can return now.
 274        *
 275        * Note: non-unique applications always act as primary-instance.
 276        */
 277       impl->primary = TRUE;
 278       return TRUE;
 279     }
 280
 281   /* If this is a unique application then we need to attempt to own
 282    * the well-known name and fall back to remote mode (!is_primary)
 283    * in the case that we can't do that.
 284    */
 285   /* DBUS_NAME_FLAG_DO_NOT_QUEUE: 0x4 */
 286   reply = g_dbus_connection_call_sync (impl->session_bus, "org.freedesktop.DBus", "/org/freedesktop/DBus",
 287                                        "org.freedesktop.DBus", "RequestName",
 288                                        g_variant_new ("(su)", impl->bus_name, 0x4), G_VARIANT_TYPE ("(u)"),
 289                                        0, -1, cancellable, error);
 290
 291   if (reply == NULL)
 292     return FALSE;
 293
 294   g_variant_get (reply, "(u)", &rval);
 295   g_variant_unref (reply);
 296
 297   /* DBUS_REQUEST_NAME_REPLY_EXISTS: 3 */
 298   impl->primary = (rval != 3);
 299
 300   return TRUE;
 301 }
 302
 303 /* Stop doing the things that the primary instance does.
 304  *
 305  * This should be called if attempting to become the primary instance
 306  * failed (in order to clean up any partial success) and should also
 307  * be called when freeing the GApplication.
 308  *
 309  * It is safe to call this multiple times.
 310  */
 311 static void
 312 g_application_impl_stop_primary (GApplicationImpl *impl)
 313 {
 314   if (impl->object_id)
 315     {
 316       g_dbus_connection_unregister_object (impl->session_bus, impl->object_id);
 317       impl->object_id = 0;
 318     }
 319
 320   if (impl->actions_id)
 321     {
 322       g_dbus_connection_unexport_action_group (impl->session_bus, impl->actions_id);
 323       impl->actions_id = 0;
 324     }
 325
 326   if (impl->primary && impl->bus_name)
 327     {
 328       g_dbus_connection_call (impl->session_bus, "org.freedesktop.DBus",
 329                               "/org/freedesktop/DBus", "org.freedesktop.DBus",
 330                               "ReleaseName", g_variant_new ("(s)", impl->bus_name),
 331                               NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
 332       impl->primary = FALSE;
 333     }
 334 }
 335
 336 void
 337 g_application_impl_destroy (GApplicationImpl *impl)
 338 {
 339   g_application_impl_stop_primary (impl);
 340
 341   if (impl->session_bus)
 342     g_object_unref (impl->session_bus);
 343
 344   g_free (impl->object_path);
 345
 346   g_slice_free (GApplicationImpl, impl);
 347 }
 348
 349 GApplicationImpl *
 350 g_application_impl_register (GApplication        *application,
 351                              const gchar         *appid,
 352                              GApplicationFlags    flags,
 353                              GActionGroup        *exported_actions,
 354                              GRemoteActionGroup **remote_actions,
 355                              GCancellable        *cancellable,
 356                              GError             **error)
 357 {
 358   GDBusActionGroup *actions;
 359   GApplicationImpl *impl;
 360
 361   impl = g_slice_new0 (GApplicationImpl);
 362
 363   impl->app = application;
 364   impl->exported_actions = exported_actions;
 365
 366   /* non-unique applications do not attempt to acquire a bus name */
 367   if (~flags & G_APPLICATION_NON_UNIQUE)
 368     impl->bus_name = appid;
 369
 370   impl->session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, cancellable, NULL);
 371
 372   if (impl->session_bus == NULL)
 373     {
 374       /* If we can't connect to the session bus, proceed as a normal
 375        * non-unique application.
 376        */
 377       *remote_actions = NULL;
 378       return impl;
 379     }
 380
 381   impl->object_path = application_path_from_appid (appid);
 382
 383   /* Only try to be the primary instance if
 384    * G_APPLICATION_IS_LAUNCHER was not specified.
 385    */
 386   if (~flags & G_APPLICATION_IS_LAUNCHER)
 387     {
 388       if (!g_application_impl_attempt_primary (impl, cancellable, error))
 389         {
 390           g_application_impl_destroy (impl);
 391           return NULL;
 392         }
 393
 394       if (impl->primary)
 395         return impl;
 396
 397       /* We didn't make it.  Drop our service-side stuff. */
 398       g_application_impl_stop_primary (impl);
 399
 400       if (flags & G_APPLICATION_IS_SERVICE)
 401         {
 402           g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_FAILED,
 403                        "Unable to acquire bus name `%s'", appid);
 404           g_application_impl_destroy (impl);
 405
 406           return NULL;
 407         }
 408     }
 409
 410   /* We are non-primary.  Try to get the primary's list of actions.
 411    * This also serves as a mechanism to ensure that the primary exists
 412    * (ie: DBus service files installed correctly, etc).
 413    */
 414   actions = g_dbus_action_group_get (impl->session_bus, impl->bus_name, impl->object_path);
 415   if (!g_dbus_action_group_sync (actions, cancellable, error))
 416     {
 417       /* The primary appears not to exist.  Fail the registration. */
 418       g_application_impl_destroy (impl);
 419       g_object_unref (actions);
 420
 421       return NULL;
 422     }
 423
 424   *remote_actions = G_REMOTE_ACTION_GROUP (actions);
 425
 426   return impl;
 427 }
 428
 429 void
 430 g_application_impl_activate (GApplicationImpl *impl,
 431                              GVariant         *platform_data)
 432 {
 433   g_dbus_connection_call (impl->session_bus,
 434                           impl->bus_name,
 435                           impl->object_path,
 436                           "org.gtk.Application",
 437                           "Activate",
 438                           g_variant_new ("(@a{sv})", platform_data),
 439                           NULL, 0, -1, NULL, NULL, NULL);
 440 }
 441
 442 void
 443 g_application_impl_open (GApplicationImpl  *impl,
 444                          GFile            **files,
 445                          gint               n_files,
 446                          const gchar       *hint,
 447                          GVariant          *platform_data)
 448 {
 449   GVariantBuilder builder;
 450   gint i;
 451
 452   g_variant_builder_init (&builder, G_VARIANT_TYPE ("(assa{sv})"));
 453   g_variant_builder_open (&builder, G_VARIANT_TYPE_STRING_ARRAY);
 454   for (i = 0; i < n_files; i++)
 455     {
 456       gchar *uri = g_file_get_uri (files[i]);
 457       g_variant_builder_add (&builder, "s", uri);
 458       g_free (uri);
 459     }
 460   g_variant_builder_close (&builder);
 461   g_variant_builder_add (&builder, "s", hint);
 462   g_variant_builder_add_value (&builder, platform_data);
 463
 464   g_dbus_connection_call (impl->session_bus,
 465                           impl->bus_name,
 466                           impl->object_path,
 467                           "org.gtk.Application",
 468                           "Open",
 469                           g_variant_builder_end (&builder),
 470                           NULL, 0, -1, NULL, NULL, NULL);
 471 }
 472
 473 static void
 474 g_application_impl_cmdline_method_call (GDBusConnection       *connection,
 475                                         const gchar           *sender,
 476                                         const gchar           *object_path,
 477                                         const gchar           *interface_name,
 478                                         const gchar           *method_name,
 479                                         GVariant              *parameters,
 480                                         GDBusMethodInvocation *invocation,
 481                                         gpointer               user_data)
 482 {
 483   const gchar *message;
 484
 485   g_variant_get_child (parameters, 0, "&s", &message);
 486
 487   if (strcmp (method_name, "Print") == 0)
 488     g_print ("%s", message);
 489   else if (strcmp (method_name, "PrintError") == 0)
 490     g_printerr ("%s", message);
 491   else
 492     g_assert_not_reached ();
 493
 494   g_dbus_method_invocation_return_value (invocation, NULL);
 495 }
 496
 497 typedef struct
 498 {
 499   GMainLoop *loop;
 500   int status;
 501 } CommandLineData;
 502
 503 static void
 504 g_application_impl_cmdline_done (GObject      *source,
 505                                  GAsyncResult *result,
 506                                  gpointer      user_data)
 507 {
 508   CommandLineData *data = user_data;
 509   GError *error = NULL;
 510   GVariant *reply;
 511
 512   reply = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source),
 513                                          result, &error);
 514
 515   if (reply != NULL)
 516     {
 517       g_variant_get (reply, "(i)", &data->status);
 518       g_variant_unref (reply);
 519     }
 520
 521   else
 522     {
 523       g_printerr ("%s\n", error->message);
 524       g_error_free (error);
 525       data->status = 1;
 526     }
 527
 528   g_main_loop_quit (data->loop);
 529 }
 530
 531 int
 532 g_application_impl_command_line (GApplicationImpl  *impl,
 533                                  gchar            **arguments,
 534                                  GVariant          *platform_data)
 535 {
 536   const static GDBusInterfaceVTable vtable = {
 537     g_application_impl_cmdline_method_call
 538   };
 539   const gchar *object_path = "/org/gtk/Application/CommandLine";
 540   GMainContext *context;
 541   CommandLineData data;
 542   guint object_id;
 543
 544   context = g_main_context_new ();
 545   data.loop = g_main_loop_new (context, FALSE);
 546   g_main_context_push_thread_default (context);
 547
 548   if (org_gtk_private_CommandLine == NULL)
 549     {
 550       GError *error = NULL;
 551       GDBusNodeInfo *info;
 552
 553       info = g_dbus_node_info_new_for_xml (org_gtk_private_CommandLine_xml, &error);
 554       if G_UNLIKELY (info == NULL)
 555         g_error ("%s", error->message);
 556       org_gtk_private_CommandLine = g_dbus_node_info_lookup_interface (info, "org.gtk.private.CommandLine");
 557       g_assert (org_gtk_private_CommandLine != NULL);
 558       g_dbus_interface_info_ref (org_gtk_private_CommandLine);
 559       g_dbus_node_info_unref (info);
 560     }
 561
 562   object_id = g_dbus_connection_register_object (impl->session_bus, object_path,
 563                                                  org_gtk_private_CommandLine,
 564                                                  &vtable, &data, NULL, NULL);
 565   /* In theory we should try other paths... */
 566   g_assert (object_id != 0);
 567
 568   g_dbus_connection_call (impl->session_bus,
 569                           impl->bus_name,
 570                           impl->object_path,
 571                           "org.gtk.Application",
 572                           "CommandLine",
 573                           g_variant_new ("(o^aay@a{sv})", object_path,
 574                                          arguments, platform_data),
 575                           G_VARIANT_TYPE ("(i)"), 0, G_MAXINT, NULL,
 576                           g_application_impl_cmdline_done, &data);
 577
 578   g_main_loop_run (data.loop);
 579
 580   g_main_context_pop_thread_default (context);
 581   g_main_context_unref (context);
 582   g_main_loop_unref (data.loop);
 583
 584   return data.status;
 585 }
 586
 587 void
 588 g_application_impl_flush (GApplicationImpl *impl)
 589 {
 590   if (impl->session_bus)
 591     g_dbus_connection_flush_sync (impl->session_bus, NULL, NULL);
 592 }
 593
 594
 595 /* GDBusCommandLine implementation {{{1 */
 596
 597 typedef GApplicationCommandLineClass GDBusCommandLineClass;
 598 static GType g_dbus_command_line_get_type (void);
 599 typedef struct
 600 {
 601   GApplicationCommandLine  parent_instance;
 602   GDBusMethodInvocation   *invocation;
 603
 604   GDBusConnection *connection;
 605   const gchar     *bus_name;
 606   const gchar     *object_path;
 607 } GDBusCommandLine;
 608
 609
 610 G_DEFINE_TYPE (GDBusCommandLine,
 611                g_dbus_command_line,
 612                G_TYPE_APPLICATION_COMMAND_LINE)
 613
 614 static void
 615 g_dbus_command_line_print_literal (GApplicationCommandLine *cmdline,
 616                                    const gchar             *message)
 617 {
 618   GDBusCommandLine *gdbcl = (GDBusCommandLine *) cmdline;
 619
 620   g_dbus_connection_call (gdbcl->connection,
 621                           gdbcl->bus_name,
 622                           gdbcl->object_path,
 623                           "org.gtk.private.CommandLine", "Print",
 624                           g_variant_new ("(s)", message),
 625                           NULL, 0, -1, NULL, NULL, NULL);
 626 }
 627
 628 static void
 629 g_dbus_command_line_printerr_literal (GApplicationCommandLine *cmdline,
 630                                       const gchar             *message)
 631 {
 632   GDBusCommandLine *gdbcl = (GDBusCommandLine *) cmdline;
 633
 634   g_dbus_connection_call (gdbcl->connection,
 635                           gdbcl->bus_name,
 636                           gdbcl->object_path,
 637                           "org.gtk.private.CommandLine", "PrintError",
 638                           g_variant_new ("(s)", message),
 639                           NULL, 0, -1, NULL, NULL, NULL);
 640 }
 641
 642 static void
 643 g_dbus_command_line_finalize (GObject *object)
 644 {
 645   GApplicationCommandLine *cmdline = G_APPLICATION_COMMAND_LINE (object);
 646   GDBusCommandLine *gdbcl = (GDBusCommandLine *) object;
 647   gint status;
 648
 649   status = g_application_command_line_get_exit_status (cmdline);
 650
 651   g_dbus_method_invocation_return_value (gdbcl->invocation,
 652                                          g_variant_new ("(i)", status));
 653   g_object_unref (gdbcl->invocation);
 654
 655   G_OBJECT_CLASS (g_dbus_command_line_parent_class)
 656     ->finalize (object);
 657 }
 658
 659 static void
 660 g_dbus_command_line_init (GDBusCommandLine *gdbcl)
 661 {
 662 }
 663
 664 static void
 665 g_dbus_command_line_class_init (GApplicationCommandLineClass *class)
 666 {
 667   GObjectClass *object_class = G_OBJECT_CLASS (class);
 668
 669   object_class->finalize = g_dbus_command_line_finalize;
 670   class->printerr_literal = g_dbus_command_line_printerr_literal;
 671   class->print_literal = g_dbus_command_line_print_literal;
 672 }
 673
 674 static GApplicationCommandLine *
 675 g_dbus_command_line_new (GDBusMethodInvocation *invocation)
 676 {
 677   GDBusCommandLine *gdbcl;
 678   GVariant *args;
 679
 680   args = g_dbus_method_invocation_get_parameters (invocation);
 681
 682   gdbcl = g_object_new (g_dbus_command_line_get_type (),
 683                         "arguments", g_variant_get_child_value (args, 1),
 684                         "platform-data", g_variant_get_child_value (args, 2),
 685                         NULL);
 686   gdbcl->connection = g_dbus_method_invocation_get_connection (invocation);
 687   gdbcl->bus_name = g_dbus_method_invocation_get_sender (invocation);
 688   g_variant_get_child (args, 0, "&o", &gdbcl->object_path);
 689   gdbcl->invocation = g_object_ref (invocation);
 690
 691   return G_APPLICATION_COMMAND_LINE (gdbcl);
 692 }
 693
 694 /* Epilogue {{{1 */
 695
 696 /* vim:set foldmethod=marker: */