fill in localed skeleton funcs
[systembsd.git] / src / interfaces / localed / localed.c
index cf9b3f9a97db1cb4114d3eefdc18af3a3267f355..b45633e46df25e7036c71660541754be8c1c72c2 100644 (file)
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <unistd.h>
+#include <limits.h>
+#include <signal.h>
+
+#include <sys/param.h>
+#include <string.h>
+
+#include <glib/gprintf.h>
+#include <glib-unix.h>
+#include <polkit/polkit.h>
+
+#include "localed-gen.h"
+#include "localed.h"
+
+#include "../../util.h"
+
+GPtrArray *localed_freeable;
+Locale1 *localed_interf;
+
+GMainLoop *localed_loop;
+
+guint bus_descriptor;
+gboolean dbus_interface_exported; /* reliable because of gdbus operational guarantees */
+
+/* --- begin method/property/dbus signal code --- */
+
+static gboolean
+on_handle_set_locale(Locale1 *hn1_passed_interf,
+                     GDBusMethodInvocation *invoc,
+                     const gchar *greet,
+                     gpointer data) {
+    return FALSE;
+}
+
+static gboolean
+on_handle_set_v_console_keyboard(Locale1 *hn1_passed_interf,
+                                 GDBusMethodInvocation *invoc,
+                                 const gchar *greet,
+                                 gpointer data) {
+    return FALSE;
+}
+
+static gboolean
+on_handle_set_x11_keyboard(Locale1 *hn1_passed_interf,
+                           GDBusMethodInvocation *invoc,
+                           const gchar *greet,
+                           gpointer data) {
+    return FALSE;
+}
+
+const gchar * const *
+our_get_locale() {
+    const gchar * const *ret = NULL; 
+
+    return ret;
+}
+
+const gchar *
+our_get_v_console_keymap() {
+    return "";
+}
+
+const gchar *
+our_get_v_console_keymap_toggle() {
+    return "";
+}
+
+const gchar *
+our_get_x11_layout() {
+    return "";
+}
+
+const gchar *
+our_get_x11_model() {
+    return "";
+}
+
+const gchar *
+our_get_x11_variant() {
+    return "";
+}
+
+const gchar *
+our_get_x11_options() {
+    return "";
+}
+
+
+/* --- end method/property/dbus signal code, begin bus/name handlers --- */
+
+static void localed_on_bus_acquired(GDBusConnection *conn,
+                                    const gchar *name,
+                                    gpointer user_data) {
+
+    g_printf("got bus/name, exporting %s's interface...\n", name);
+    localed_interf = locale1_skeleton_new();
+
+    /* attach function pointers to generated struct's method handlers */
+    g_signal_connect(localed_interf, "handle-set-locale", G_CALLBACK(on_handle_set_locale), NULL);
+    g_signal_connect(localed_interf, "handle-set-vconsole-keyboard", G_CALLBACK(on_handle_set_v_console_keyboard), NULL);
+    g_signal_connect(localed_interf, "handle-set-x11-keyboard", G_CALLBACK(on_handle_set_x11_keyboard), NULL);
+
+    /* set our properties before export */
+    locale1_set_locale(localed_interf, our_get_locale());
+    locale1_set_vconsole_keymap(localed_interf, our_get_v_console_keymap());
+    locale1_set_vconsole_keymap_toggle(localed_interf, our_get_v_console_keymap_toggle());
+    locale1_set_x11_layout(localed_interf, our_get_x11_layout());
+    locale1_set_x11_model(localed_interf, our_get_x11_model());
+    locale1_set_x11_variant(localed_interf, our_get_x11_variant());
+    locale1_set_x11_options(localed_interf, our_get_x11_options());
+
+    if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(localed_interf),
+                                         conn,
+                                         "/org/freedesktop/locale1",
+                                         NULL)) {
+
+        g_printf("failed to export %s's interface!\n", name);
+        localed_mem_clean();
+
+    } else {
+
+        dbus_interface_exported = TRUE;
+        g_printf("exported %s's interface on the system bus...\n", name);
+    }
+}
+
+static void localed_on_name_acquired(GDBusConnection *conn,
+                                     const gchar *name,
+                                     gpointer user_data) {
+
+    g_printf("success!\n");
+}
+
+static void localed_on_name_lost(GDBusConnection *conn,
+                                   const gchar *name,
+                                   gpointer user_data) {
+
+    if(!conn) {
+
+        g_printf("failed to connect to the system bus while trying to acquire name '%s': either dbus-daemon isn't running or we don't have permission to push names and/or their interfaces to it.\n", name);
+        localed_mem_clean();
+    }
+
+    g_print("lost name %s, exiting...\n", name);
+
+    localed_mem_clean();
+}
+
+/* --- end bus/name handlers, begin misc unix functions --- */
+
+/* safe call to clean and then exit
+ * this stops our GMainLoop safely before letting main() return */
+void localed_mem_clean() {
+
+    g_printf("exiting...\n");
+
+    if(dbus_interface_exported)
+        g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(localed_interf));
+
+    if(g_main_loop_is_running(localed_loop))
+        g_main_loop_quit(localed_loop);
+
+}
+
+/* wrapper for glib's unix signal handling; called only once if terminating signal is raised against us */
+gboolean unix_sig_terminate_handler(gpointer data) {
+
+    g_printf("caught SIGINT/HUP/TERM, exiting\n");
+
+    localed_mem_clean();
+    return G_SOURCE_REMOVE;
+}
+
+void set_signal_handlers() {
+
+    /* we don't care about its descriptor, we never need to unregister these */
+    g_unix_signal_add(SIGINT,  unix_sig_terminate_handler, NULL);
+    g_unix_signal_add(SIGHUP,  unix_sig_terminate_handler, NULL);
+    g_unix_signal_add(SIGTERM, unix_sig_terminate_handler, NULL);
+}
+
+int main() {
+
+    set_signal_handlers();
+
+    localed_loop = g_main_loop_new(NULL, TRUE);
+    localed_freeable = g_ptr_array_new();
+
+     bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
+                                    "org.freedesktop.locale1",
+                                    G_BUS_NAME_OWNER_FLAGS_NONE,
+                                    localed_on_bus_acquired,
+                                    localed_on_name_acquired,
+                                    localed_on_name_lost,
+                                    NULL,
+                                    NULL);
+
+    g_main_loop_run(localed_loop);
+    /* runs until single g_main_loop_quit() call is raised inside <interface>_mem_clean() */
+    g_main_loop_unref(localed_loop);
+
+    /* guaranteed unownable */
+    g_bus_unown_name(bus_descriptor);
+
+    /* at this point no operations can occur with our data, it is safe to free it + its container */
+    g_ptr_array_free(localed_freeable, TRUE);
+
+    return 0;
+}