src/interfaces/hostnamed/hostnamed.c

   1 #include <gio/gio.h>
   2
   3 GDBusNodeInfo *spect_data;
   4
   5 static void handle_method_call(GDBusConnection *conn,
   6                                                            const gchar *sender,
   7                                                            const gchar *obj_path,
   8                                                            const gchar *interf_name,
   9                                                            const gchar *method_name,
  10                                                            GVariant *params,
  11                                                            GDBusMethodInvocation *invc,
  12                                                            gpointer usrdat) {
  13
  14         GVariant *xml_ret_gvar;
  15         GString  *xml_ret;
  16
  17         g_dbus_interface_info_generate_xml(spect_data->interfaces[0], (guint)0, xml_ret);
  18         xml_ret_gvar = g_variant_new_string(xml_ret->str);
  19         g_dbus_method_invocation_return_value(invc, xml_ret_gvar);
  20
  21 }
  22
  23 static GVariant * handle_get_property(GDBusConnection *conn,
  24                                                                           const gchar *sender,
  25                                                                           const gchar *obj_path,
  26                                                                           const gchar *interf_name,
  27                                                                           const gchar *prop_name,
  28                                                                           GError **err,
  29                                                                           gpointer usr_data) {
  30
  31         GVariant *ret;
  32
  33         return ret;
  34 }
  35
  36 static gboolean handle_set_property(GDBusConnection *conn,
  37                                                                         const gchar *sender,
  38                                                                         const gchar *obj_path,
  39                                                                         const gchar *interf_name,
  40                                                                         const gchar *prop_name,
  41                                                                         GVariant *val,
  42                                                                         GError **err,
  43                                                                         gpointer usr_data) {
  44
  45         g_dbus_connection_emit_signal(conn,
  46                                                                   NULL,
  47                                                                   obj_path,
  48                                                                   "org.freedesktop.DBus.Properties",
  49                                                                   "PropertiesChanged",
  50                                                                   NULL, /* incorrect */
  51                                                                   NULL);
  52
  53         return TRUE;
  54 }
  55
  56 /* "hot" functions initially passed to gdbus */
  57 static const GDBusInterfaceVTable interface_vtable =
  58 {
  59         handle_method_call,
  60         handle_get_property,
  61         handle_set_property
  62 };
  63
  64 /* end method/property functions, begin bus name handlers
  65  * TODO: these should be intertwined as to handle edge cases
  66  * for when the system cannot immediately grab the name, as
  67  * well as cases where the system unintendedly loses the name
  68  */
  69 static void on_bus_acquired(GDBusConnection *conn,
  70                                                         const gchar *name,
  71                                                         gpointer user_data) {
  72
  73         GError *err;
  74
  75         g_print("got bus, name: %s\n", name);
  76
  77         //GDBusObjectSkeleton *hostnamed_dbobj = g_dbus_object_skeleton_new("/org/freedesktop/hostname1");
  78
  79         g_dbus_connection_register_object(conn,
  80                                                                           "/org/freedesktop/hostname1",
  81                                                                           spect_data->interfaces[0],
  82                                                                           &interface_vtable,
  83                                                                           NULL, NULL, NULL);
  84 }
  85
  86 static void on_name_acquired(GDBusConnection *conn,
  87                                                          const gchar *name,
  88                                                          gpointer user_data) {
  89
  90         g_print("got name %s\n", name);
  91 }
  92
  93 static void on_name_lost(GDBusConnection *conn,
  94                                                  const gchar *name,
  95                                                  gpointer user_data) {
  96
  97         g_print("lost name %s, exiting...", name);
  98         //TODO exit through g_main_loop properly...
  99         exit(0);
 100 }
 101
 102 /* safe call to try and start hostnamed */
 103 GError * hostnamed_init() {
 104
 105         guint bus_descriptor;
 106         GError *err = NULL;
 107         gchar **hostnamed_ispect_xml = g_malloc(3000);
 108         gchar  *hostnamed_joined_xml = g_malloc(3000);
 109
 110         g_file_get_contents("conf/hostnamed-ispect.xml", hostnamed_ispect_xml, NULL, err);
 111         hostnamed_joined_xml = g_strjoinv("\n", hostnamed_ispect_xml);
 112         spect_data = g_dbus_node_info_new_for_xml(hostnamed_joined_xml, NULL);
 113
 114         bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
 115                                         "org.freedesktop.hostname1",
 116                                                     G_BUS_NAME_OWNER_FLAGS_NONE,
 117                                                     on_bus_acquired,
 118                                                     on_name_acquired,
 119                                                     on_name_lost,
 120                                                     NULL,
 121                                                     NULL);
 122
 123         //TODO: malloc and return reference as if a main() closed
 124         return err;
 125 }