X-Git-Url: https://uglyman.kremlin.cc/gitweb/gitweb.cgi?a=blobdiff_plain;f=src%2Finterfaces%2Flocaled%2Flocaled.c;h=b45633e46df25e7036c71660541754be8c1c72c2;hb=de46ace438056c7e63fcf3527fc9a3e6cc5c976e;hp=47c568a85b78319038718056523ef1fa11f1a506;hpb=a33bcdfac479063194c4051984ea0c5834319486;p=systembsd.git diff --git a/src/interfaces/localed/localed.c b/src/interfaces/localed/localed.c index 47c568a..b45633e 100644 --- a/src/interfaces/localed/localed.c +++ b/src/interfaces/localed/localed.c @@ -16,47 +16,98 @@ #include #include +#include #include #include #include #include +#include #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_hostname(Locale1 *hn1_passed_interf, - GDBusMethodInvocation *invoc, - const gchar *greet, - gpointer data) { +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_hostname() { +our_get_v_console_keymap_toggle() { + + return ""; +} - gchar *hostname_buf, *ret; - size_t hostname_divider; +const gchar * +our_get_x11_layout() { + + return ""; +} - 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); +const gchar * +our_get_x11_model() { + + return ""; +} - if(gethostname(hostname_buf, MAXHOSTNAMELEN)) - return ""; +const gchar * +our_get_x11_variant() { + + return ""; +} - hostname_divider = strcspn(hostname_buf, "."); +const gchar * +our_get_x11_options() { + + return ""; +} - return strncpy(ret, hostname_buf, hostname_divider); -}*/ /* --- end method/property/dbus signal code, begin bus/name handlers --- */ @@ -64,63 +115,102 @@ static void localed_on_bus_acquired(GDBusConnection *conn, 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-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, + const gchar *name, gpointer user_data) { - g_print("got '%s' on system bus\n", name); - - localed_interf = locale1_skeleton_new(); + g_printf("success!\n"); +} - /* 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_lost(GDBusConnection *conn, + const gchar *name, + gpointer user_data) { - /* 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)) { + if(!conn) { - g_printf("Failed to export Locale1's interface!"); + 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 --- */ -/* free()'s */ +/* safe call to clean and then exit + * this stops our GMainLoop safely before letting main() return */ void localed_mem_clean() { - g_ptr_array_foreach(localed_freeable, (GFunc) g_free, NULL); - g_ptr_array_free(localed_freeable, TRUE); + 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); + } -static void localed_on_name_lost(GDBusConnection *conn, - const gchar *name, - gpointer user_data) { +/* 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_print("lost name %s, exiting...", name); + g_printf("caught SIGINT/HUP/TERM, exiting\n"); localed_mem_clean(); - g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(localed_interf)); + 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() { - guint bus_descriptor; - GMainLoop *localed_loop; + set_signal_handlers(); - localed_loop = g_main_loop_new(NULL, TRUE); - localed_freeable = g_ptr_array_new(); + localed_loop = g_main_loop_new(NULL, TRUE); + localed_freeable = g_ptr_array_new(); - bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM, + bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM, "org.freedesktop.locale1", G_BUS_NAME_OWNER_FLAGS_NONE, localed_on_bus_acquired, @@ -129,12 +219,15 @@ int main() { NULL, NULL); - g_main_loop_run(localed_loop); - g_main_loop_unref(localed_loop); + g_main_loop_run(localed_loop); + /* runs until single g_main_loop_quit() call is raised inside _mem_clean() */ + g_main_loop_unref(localed_loop); - g_bus_unown_name(bus_descriptor); + /* guaranteed unownable */ + g_bus_unown_name(bus_descriptor); - localed_mem_clean(); + /* 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; + return 0; }