#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 "localed-gen.h"
+#include "localed.h"
GPtrArray *localed_freeable;
-GDBusNodeInfo *spect_data;
-localedLocale1 *localed_interf;
+Locale1 *localed_interf;
+
+GMainLoop *localed_loop;
-/* begin method/property/signal code */
+guint bus_descriptor;
+gboolean dbus_interface_exported; /* reliable because of gdbus operational guarantees */
-/* TODO make sure these guys only work if called by root */
+/* --- begin method/property/dbus signal code --- */
-/* Example:
-static gboolean
-on_handle_set_hostname(localedLocale1 *hn1_passed_interf,
+/*static gboolean
+on_handle_set_hostname(Locale1 *hn1_passed_interf,
GDBusMethodInvocation *invoc,
const gchar *greet,
gpointer data) {
return FALSE;
-} */
-
-/* note: all localed/locale1's properties are read-only,
- * and do not need set_ functions, gdbus-codegen realized
- * this from the XML and handled the to-be error of trying
- * to set a read-only property's value
- */
-
-/* Example:
+}
const gchar *
our_get_hostname() {
- return "TODO";
+ gchar *hostname_buf, *ret;
+ size_t hostname_divider;
+
+ hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
+ ret = (gchar*) g_malloc0(MAXHOSTNAMELEN);
+ g_ptr_array_add(localed_freeable, hostname_buf);
+ g_ptr_array_add(localed_freeable, ret);
+
+ if(gethostname(hostname_buf, MAXHOSTNAMELEN))
+ return "";
+
+ hostname_divider = strcspn(hostname_buf, ".");
+
+ return strncpy(ret, hostname_buf, hostname_divider);
}*/
-/* end method/property/signal code, begin bus/name handlers */
+/* --- end method/property/dbus signal code, begin bus/name handlers --- */
static void localed_on_bus_acquired(GDBusConnection *conn,
- const gchar *name,
- gpointer user_data) {
+ const gchar *name,
+ gpointer user_data) {
- g_print("got bus, name: %s\n", name);
+ 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-hostname", G_CALLBACK(on_handle_set_hostname), NULL); */
-static void localed_on_name_acquired(GDBusConnection *conn,
- const gchar *name,
- gpointer user_data) {
-
- g_print("got '%s' on system bus\n", name);
-
- localed_interf = localed_locale1_skeleton_new();
-
- /* attach function pointers to generated struct's method handlers */
- /*g_signal_connect(localed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL);
- g_signal_connect(localed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL);
- g_signal_connect(localed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL);
- g_signal_connect(localed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL);
- g_signal_connect(localed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL); */
-
- /* set our properties before export */
- /*localed_locale1_set_hostname(localed_interf, our_get_hostname());
- localed_locale1_set_static_hostname(localed_interf, our_get_static_hostname());
- localed_locale1_set_pretty_hostname(localed_interf, our_get_pretty_hostname());
- localed_locale1_set_chassis(localed_interf, our_get_chassis());
- localed_locale1_set_icon_name(localed_interf, our_get_icon_name());
- localed_locale1_set_kernel_name(localed_interf, our_get_kernel_name());
- localed_locale1_set_kernel_version(localed_interf, our_get_kernel_version());
- localed_locale1_set_kernel_release(localed_interf, our_get_kernel_release());
- localed_locale1_set_operating_system_cpename(localed_interf, our_get_os_cpename());
- localed_locale1_set_operating_system_pretty_name(localed_interf, our_get_os_pretty_name()); */
+ /* set our properties before export
+ locale1_set_hostname(localed_interf, our_get_hostname()); */
if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(localed_interf),
- conn,
- "/org/freedesktop/locale1",
- NULL)) {
+ conn,
+ "/org/freedesktop/locale1",
+ NULL)) {
- g_printf("failed to export locale1's interface on system bus!");
- }
+ 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);
+ }
}
-/* free()'s */
-void localed_mem_clean() {
+static void localed_on_name_acquired(GDBusConnection *conn,
+ const gchar *name,
+ gpointer user_data) {
- g_ptr_array_foreach(localed_freeable, (GFunc) g_free, NULL);
+ g_printf("success!\n");
}
static void localed_on_name_lost(GDBusConnection *conn,
- const gchar *name,
- gpointer user_data) {
+ 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...", name);
+ g_print("lost name %s, exiting...\n", name);
localed_mem_clean();
- g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(localed_interf));
+}
+
+/* --- 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);
- /* TODO exit through g_main_loop properly... */
}
-/* safe call to try and start localed */
-void localed_init() {
+/* wrapper for glib's unix signal handling; called only once if terminating signal is raised against us */
+gboolean unix_sig_terminate_handler(gpointer data) {
- guint bus_descriptor;
- GError *err = NULL;
- gchar **localed_ispect_xml;
- gchar *localed_joined_xml;
+ g_printf("caught SIGINT/HUP/TERM, exiting\n");
- localed_freeable = g_ptr_array_new();
- localed_ispect_xml = g_malloc(3000);
+ localed_mem_clean();
+ return G_SOURCE_REMOVE;
+}
- g_file_get_contents("conf/localed-ispect.xml", localed_ispect_xml, NULL, NULL);
- localed_joined_xml = g_strjoinv("\n", localed_ispect_xml);
- spect_data = g_dbus_node_info_new_for_xml(localed_joined_xml, NULL);
+void set_signal_handlers() {
- g_free(localed_ispect_xml);
- g_ptr_array_add(localed_freeable, localed_joined_xml);
+ /* 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);
+}
- bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
+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,
NULL,
NULL);
- /* TODO: malloc and return reference as if a main() closed */
-}
-
-int main() {
-
- GMainLoop *localed_loop;
- localed_loop = g_main_loop_new(NULL, TRUE);
+ 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);
- /* config stuff here */
+ /* guaranteed unownable */
+ g_bus_unown_name(bus_descriptor);
- localed_init();
+ /* 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);
- g_main_loop_run(localed_loop);
- g_main_loop_unref(localed_loop);
-
- return 0;
+ return 0;
}
-