src/interfaces/hostnamed/hostnamed.c

   1 #include <gio/gio.h>
   2
   3 /* testing, for now */
   4 static GDBusNodeInfo *spect_data = NULL;
   5 static const gchar spect_xml[] =
   6                 "<node>"
   7                 " <interface name='org.freedesktop.DBus.Peer'>"
   8                 "  <method name='Ping'/>"
   9                 "  <method name='GetMachineId'>"
  10                 "   <arg type='s' name='machine_uuid' direction='out'/>"
  11                 "  </method>"
  12                 " </interface>"
  13                 " <interface name='org.freedesktop.DBus.Introspectable'>"
  14                 "  <method name='Introspect'>"
  15                 "   <arg name='data' type='s' direction='out'/>"
  16                 "  </method>"
  17                 " </interface>"
  18                 " <interface name='org.freedesktop.DBus.Properties'>"
  19                 "  <method name='Get'>"
  20                 "   <arg name='interface' direction='in' type='s'/>"
  21                 "   <arg name='property' direction='in' type='s'/>"
  22                 "   <arg name='value' direction='out' type='v'/>"
  23                 "  </method>"
  24                 "  <method name='GetAll'>"
  25                 "   <arg name='interface' direction='in' type='s'/>"
  26                 "   <arg name='properties' direction='out' type='a{sv}'/>"
  27                 "  </method>"
  28                 "  <method name='Set'>"
  29                 "   <arg name='interface' direction='in' type='s'/>"
  30                 "   <arg name='property' direction='in' type='s'/>"
  31                 "   <arg name='value' direction='in' type='v'/>"
  32                 "  </method>"
  33                 "  <signal name='PropertiesChanged'>"
  34                 "   <arg type='s' name='interface'/>"
  35                 "   <arg type='a{sv}' name='changed_properties'/>"
  36                 "   <arg type='as' name='invalidated_properties'/>"
  37                 "  </signal>"
  38                 " </interface>"
  39                 " <interface name='org.freedesktop.hostname1'>"
  40                 "  <property name='Hostname' type='s' access='read'>"
  41                 "   <annotation name='org.freedesktop.DBus.Property.EmitsChangedSignal' value='false'/>"
  42                 "  </property>"
  43                 "  <property name='StaticHostname' type='s' access='read'>"
  44                 "  </property>"
  45                 "  <property name='PrettyHostname' type='s' access='read'>"
  46                 "  </property>"
  47                 "  <property name='IconName' type='s' access='read'>"
  48                 "  </property>"
  49                 "  <property name='Chassis' type='s' access='read'>"
  50                 "  </property>"
  51                 "  <property name='KernelName' type='s' access='read'>"
  52                 "   <annotation name='org.freedesktop.DBus.Property.EmitsChangedSignal' value='const'/>"
  53                 "  </property>"
  54                 "  <property name='KernelRelease' type='s' access='read'>"
  55                 "   <annotation name='org.freedesktop.DBus.Property.EmitsChangedSignal' value='const'/>"
  56                 "  </property>"
  57                 "  <property name='KernelVersion' type='s' access='read'>"
  58                 "   <annotation name='org.freedesktop.DBus.Property.EmitsChangedSignal' value='const'/>"
  59                 "  </property>"
  60                 "  <property name='OperatingSystemPrettyName' type='s' access='read'>"
  61                 "   <annotation name='org.freedesktop.DBus.Property.EmitsChangedSignal' value='const'/>"
  62                 "  </property>"
  63                 "  <property name='OperatingSystemCPEName' type='s' access='read'>"
  64                 "   <annotation name='org.freedesktop.DBus.Property.EmitsChangedSignal' value='const'/>"
  65                 "  </property>"
  66                 "  <method name='SetHostname'>"
  67                 "   <arg type='s' direction='in'/>"
  68                 "   <arg type='b' direction='in'/>"
  69                 "  </method>"
  70                 "  <method name='SetStaticHostname'>"
  71                 "   <arg type='s' direction='in'/>"
  72                 "   <arg type='b' direction='in'/>"
  73                 "  </method>"
  74                 "  <method name='SetPrettyHostname'>"
  75                 "   <arg type='s' direction='in'/>"
  76                 "   <arg type='b' direction='in'/>"
  77                 "  </method>"
  78                 "  <method name='SetIconName'>"
  79                 "   <arg type='s' direction='in'/>"
  80                 "   <arg type='b' direction='in'/>"
  81                 "  </method>"
  82                 "  <method name='SetChassis'>"
  83                 "   <arg type='s' direction='in'/>"
  84                 "   <arg type='b' direction='in'/>"
  85                 "  </method>"
  86                 " </interface>"
  87                 "</node>";
  88
  89 static void handle_method_call(GDBusConnection *conn,
  90                                 const gchar *sender,
  91                                 const gchar *obj_path,
  92                                 const gchar *interf_name,
  93                                 const gchar *method_name,
  94                                 GVariant *params,
  95                                 GDBusMethodInvocation *invc,
  96                                 gpointer usrdat) {
  97
  98                 g_printf("%s wants to call %s, at %s with interface %s\n", sender, method_name, obj_path, interf_name);
  99
 100                 g_dbus_method_invocation_return_value(invc, &spect_xml);
 101
 102 }
 103
 104
 105 static GVariant * handle_get_property(GDBusConnection *conn,
 106                                 const gchar *sender,
 107                                 const gchar *obj_path,
 108                                 const gchar *interf_name,
 109                                 const gchar *prop_name,
 110                                 GError **err,
 111                                 gpointer usr_data) {
 112
 113                 GVariant *ret;
 114                 ret = g_variant_new_string("");
 115                 g_snprintf(ret, 100, "%s touched property %s at %s", sender, prop_name, obj_path);
 116
 117                 return ret;
 118 }
 119
 120 static gboolean handle_set_property(GDBusConnection *conn,
 121                                 const gchar *sender,
 122                                 const gchar *obj_path,
 123                                 const gchar *interf_name,
 124                                 const gchar *prop_name,
 125                                 GVariant *val,
 126                                 GError **err,
 127                                 gpointer usr_data) {
 128                 g_dbus_connection_emit_signal(conn,
 129                                                 NULL,
 130                                                 obj_path,
 131                                                 "org.freedesktop.DBus.Properties",
 132                                                 "PropertiesChanged",
 133                                                 NULL, /* incorrect */
 134                                                 NULL);
 135
 136                 return TRUE;
 137 }
 138
 139 static const GDBusInterfaceVTable interface_vtable =
 140 {
 141   handle_method_call,
 142   handle_get_property,
 143   handle_set_property
 144 };
 145
 146
 147
 148 static void on_bus_acquired(GDBusConnection *conn, const gchar *name, gpointer user_data) {
 149         g_print("got bus, name: %s\n", name);
 150
 151         guint reg_id;
 152
 153         reg_id = g_dbus_connection_register_object (conn,
 154                                                                                                 "/org/freedesktop/hostname1",
 155                                                                                                 spect_data->interfaces[0],
 156                                                                                                 &interface_vtable,
 157                                                                                                 NULL,
 158                                                                                                 NULL,
 159                                                                                                 NULL );
 160         g_assert(reg_id > 0);
 161 }
 162
 163 static void on_name_acquired(GDBusConnection *conn, const gchar *name, gpointer user_data) {
 164         g_print("got name %s\n", name);
 165 }
 166
 167 static void on_name_lost(GDBusConnection *conn, const gchar *name, gpointer user_data) {
 168         g_print("lost name %s, exiting...\n", name);
 169         exit(1);
 170 }
 171
 172 void hostnamed_init() {
 173
 174         guint bus_descriptor;
 175         GError *err = NULL;
 176         GMainLoop *loop;
 177
 178         spect_data = g_dbus_node_info_new_for_xml(spect_xml, NULL);
 179
 180         bus_descriptor = g_bus_own_name(G_BUS_TYPE_SESSION,
 181                                         (gchar *)"org.freedesktop.hostname1",
 182                                                     G_BUS_NAME_OWNER_FLAGS_NONE,
 183                                                     on_bus_acquired,
 184                                                     on_name_acquired,
 185                                                     on_name_lost,
 186                                                     NULL,
 187                                                     NULL);
 188
 189         loop = g_main_loop_new(NULL, FALSE);
 190         g_main_loop_run(loop);
 191
 192         /* unclear */
 193
 194         g_bus_unown_name(bus_descriptor);
 195         g_dbus_node_info_unref(spect_data);
 196 }
 197