X-Git-Url: https://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=systembsd.git;a=blobdiff_plain;f=src%2Finterfaces%2Flocaled%2Flocaled.c;h=160caafa932d40e628d33030a27fd7a7016621a5;hp=0196a4836b7820559877a8dfebae3dc61456289d;hb=254ceec0baac22cb12b44d2e7e223562b12c8d46;hpb=c62bceb740a118aef41309560df162d3a2185cd1

diff --git a/src/interfaces/localed/localed.c b/src/interfaces/localed/localed.c
index 0196a48..160caaf 100644
--- a/src/interfaces/localed/localed.c
+++ b/src/interfaces/localed/localed.c
@@ -16,11 +16,165 @@
 
 #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;
+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_hostname(Locale1 *hn1_passed_interf,
+                       GDBusMethodInvocation *invoc,
+                       const gchar *greet,
+                       gpointer data) {
+    return FALSE;
+}
+
+const gchar *
+our_get_hostname() {
+
+	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/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-hostname", G_CALLBACK(on_handle_set_hostname), NULL); */
+
+    /* 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)) {
+
+        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;
 }