gio/tests/gdbus-example-objectmanager-server.c

   1
   2 #include "gdbus-example-objectmanager-generated.h"
   3
   4 /* ---------------------------------------------------------------------------------------------------- */
   5
   6 static GDBusObjectManagerServer *manager = NULL;
   7
   8 static gboolean
   9 on_animal_poke (ExampleAnimal          *animal,
  10                 GDBusMethodInvocation  *invocation,
  11                 gboolean                make_sad,
  12                 gboolean                make_happy,
  13                 gpointer                user_data)
  14 {
  15   if ((make_sad && make_happy) || (!make_sad && !make_happy))
  16     {
  17       g_dbus_method_invocation_return_dbus_error (invocation,
  18                                                   "org.gtk.GDBus.Examples.ObjectManager.Error.Failed",
  19                                                   "Exactly one of make_sad or make_happy must be TRUE");
  20       goto out;
  21     }
  22
  23   if (make_sad)
  24     {
  25       if (g_strcmp0 (example_animal_get_mood (animal), "Sad") == 0)
  26         {
  27           g_dbus_method_invocation_return_dbus_error (invocation,
  28                                                       "org.gtk.GDBus.Examples.ObjectManager.Error.SadAnimalIsSad",
  29                                                       "Sad animal is already sad");
  30           goto out;
  31         }
  32
  33       example_animal_set_mood (animal, "Sad");
  34       example_animal_complete_poke (animal, invocation);
  35       goto out;
  36     }
  37
  38   if (make_happy)
  39     {
  40       if (g_strcmp0 (example_animal_get_mood (animal), "Happy") == 0)
  41         {
  42           g_dbus_method_invocation_return_dbus_error (invocation,
  43                                                       "org.gtk.GDBus.Examples.ObjectManager.Error.HappyAnimalIsHappy",
  44                                                       "Happy animal is already happy");
  45           goto out;
  46         }
  47
  48       example_animal_set_mood (animal, "Happy");
  49       example_animal_complete_poke (animal, invocation);
  50       goto out;
  51     }
  52
  53   g_assert_not_reached ();
  54
  55  out:
  56   return TRUE; /* to indicate that the method was handled */
  57 }
  58
  59
  60 static void
  61 on_bus_acquired (GDBusConnection *connection,
  62                  const gchar     *name,
  63                  gpointer         user_data)
  64 {
  65   GDBusObjectSkeleton *object;
  66   guint n;
  67
  68   g_print ("Acquired a message bus connection\n");
  69
  70   /* Create a new org.freedesktop.DBus.ObjectManager rooted at /example/Animals */
  71   manager = g_dbus_object_manager_server_new (connection, "/example/Animals");
  72
  73   for (n = 0; n < 10; n++)
  74     {
  75       gchar *s;
  76       ExampleAnimal *animal;
  77
  78       /* Create a new D-Bus object at the path /example/Animals/N where N is 000..009 */
  79       s = g_strdup_printf ("/example/Animals/%03d", n);
  80       object = g_dbus_object_skeleton_new (s);
  81       g_free (s);
  82
  83       /* Make the newly created object export the interface
  84        * org.gtk.GDBus.Example.ObjectManager.Animal (note
  85        * that @object takes its own reference to @animal).
  86        */
  87       animal = example_animal_skeleton_new ();
  88       example_animal_set_mood (animal, "Happy");
  89       g_dbus_object_skeleton_add_interface (object, G_DBUS_INTERFACE_SKELETON (animal));
  90       g_object_unref (animal);
  91
  92       /* Cats are odd animals - so some of our objects implement the
  93        * org.gtk.GDBus.Example.ObjectManager.Cat interface in addition
  94        * to the .Animal interface
  95        */
  96       if (n % 2 == 1)
  97         {
  98           ExampleCat *cat;
  99           cat = example_cat_skeleton_new ();
 100           g_dbus_object_skeleton_add_interface (object, G_DBUS_INTERFACE_SKELETON (cat));
 101           g_object_unref (cat);
 102         }
 103
 104       /* Handle Poke() D-Bus method invocations on the .Animal interface */
 105       g_signal_connect (animal,
 106                         "handle-poke",
 107                         G_CALLBACK (on_animal_poke),
 108                         NULL); /* user_data */
 109
 110       /* Export the object (@manager takes its own reference to @object) */
 111       g_dbus_object_manager_server_export (manager, object);
 112       g_object_unref (object);
 113     }
 114 }
 115
 116 static void
 117 on_name_acquired (GDBusConnection *connection,
 118                   const gchar     *name,
 119                   gpointer         user_data)
 120 {
 121   g_print ("Acquired the name %s\n", name);
 122 }
 123
 124 static void
 125 on_name_lost (GDBusConnection *connection,
 126               const gchar     *name,
 127               gpointer         user_data)
 128 {
 129   g_print ("Lost the name %s\n", name);
 130 }
 131
 132
 133 gint
 134 main (gint argc, gchar *argv[])
 135 {
 136   GMainLoop *loop;
 137   guint id;
 138
 139   g_type_init ();
 140
 141   loop = g_main_loop_new (NULL, FALSE);
 142
 143   id = g_bus_own_name (G_BUS_TYPE_SESSION,
 144                        "org.gtk.GDBus.Examples.ObjectManager",
 145                        G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
 146                        G_BUS_NAME_OWNER_FLAGS_REPLACE,
 147                        on_bus_acquired,
 148                        on_name_acquired,
 149                        on_name_lost,
 150                        loop,
 151                        NULL);
 152
 153   g_main_loop_run (loop);
 154
 155   g_bus_unown_name (id);
 156   g_main_loop_unref (loop);
 157
 158   return 0;
 159 }