+const gchar *
+our_get_chassis() {
+
+ if(CHASSIS)
+ return CHASSIS;
+
+ return "desktop";
+}
+
+const gchar *
+our_get_icon_name() {
+
+ if(ICON)
+ return ICON;
+
+ return "";
+}
+
+const gchar *
+our_get_kernel_name() {
+
+ return "TODO";
+}
+
+const gchar *
+our_get_kernel_version() {
+
+ return "TODO";
+}
+
+const gchar *
+our_get_kernel_release() {
+
+ return "TODO";
+}
+
+const gchar *
+our_get_os_cpename() {
+
+ return "TODO";
+}
+
+const gchar *
+our_get_os_pretty_name() {
+
+ return "TODO";
+}
+
+/* --- end method/property/dbus signal code, begin bus/name handlers --- */
+
+static void hostnamed_on_bus_acquired(GDBusConnection *conn,
+ const gchar *name,
+ gpointer user_data) {
+
+ g_printf("got bus/name, exporting %s's interface...\n", name);
+
+ hostnamed_interf = hostname1_skeleton_new();
+
+ /* attach function pointers to generated struct's method handlers */
+ g_signal_connect(hostnamed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL);
+ g_signal_connect(hostnamed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL);
+ g_signal_connect(hostnamed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL);
+ g_signal_connect(hostnamed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL);
+ g_signal_connect(hostnamed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL);
+
+ /* set our properties before export */
+ hostname1_set_hostname(hostnamed_interf, our_get_hostname());
+ hostname1_set_static_hostname(hostnamed_interf, our_get_static_hostname());
+ hostname1_set_pretty_hostname(hostnamed_interf, our_get_pretty_hostname());
+ hostname1_set_chassis(hostnamed_interf, our_get_chassis());
+ hostname1_set_icon_name(hostnamed_interf, our_get_icon_name());
+ hostname1_set_kernel_name(hostnamed_interf, our_get_kernel_name());
+ hostname1_set_kernel_version(hostnamed_interf, our_get_kernel_version());
+ hostname1_set_kernel_release(hostnamed_interf, our_get_kernel_release());
+ hostname1_set_operating_system_cpename(hostnamed_interf, our_get_os_cpename());
+ hostname1_set_operating_system_pretty_name(hostnamed_interf, our_get_os_pretty_name());
+
+ if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(hostnamed_interf),
+ conn,
+ "/org/freedesktop/hostname1",
+ NULL)) {
+
+ g_printf("failed to export %s's interface!\n", name); /* unusual edge case, TODO check errno */
+ hostnamed_mem_clean();
+
+ } else {
+
+ dbus_interface_exported = TRUE;
+ g_printf("exported %s's interface on the system bus...\n", name);
+ }
+}
+
+static void hostnamed_on_name_acquired(GDBusConnection *conn,
+ const gchar *name,
+ gpointer user_data) {
+
+ g_printf("success!\n");
+}
+
+static void hostnamed_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);
+ hostnamed_mem_clean();
+ }
+
+ g_printf("lost name %s, exiting...\n", name);
+
+ hostnamed_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 hostnamed_mem_clean() {
+
+ g_printf("exiting...\n");
+
+ if(dbus_interface_exported)
+ g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(hostnamed_interf));
+
+ if(g_main_loop_is_running(hostnamed_loop))
+ g_main_loop_quit(hostnamed_loop);
+
+}
+
+/* wrapper for glib's unix signal handling; called only once if terminatating signal is raised against us */
+gboolean unix_sig_terminate_handler(gpointer data) {
+
+ g_printf("caught SIGINT/HUP/TERM, exiting\n");
+
+ hostnamed_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);
+
+ /* TODO: the "only once" guarantee only counts towards specific signals.
+ * make sure calling a SIGINT and SIGHUP doesn't cause term_handler()
+ * to be called twice */
+}
+
+int main() {
+
+ /* TODO: check for valid, writable config at init. if no, complain to `make install` */
+
+ set_signal_handlers();
+
+ if(!determine_chassis_and_icon())
+ return 1;
+
+ hostnamed_loop = g_main_loop_new(NULL, TRUE);
+ hostnamed_freeable = g_ptr_array_new();
+
+ bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
+ "org.freedesktop.hostname1",
+ G_BUS_NAME_OWNER_FLAGS_NONE,
+ hostnamed_on_bus_acquired,
+ hostnamed_on_name_acquired,
+ hostnamed_on_name_lost,
+ NULL,
+ NULL);
+
+ g_main_loop_run(hostnamed_loop);
+ /* runs until single g_main_loop_quit() call is raised inside <interface>_mem_clean() */
+ g_main_loop_unref(hostnamed_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(hostnamed_freeable, TRUE);
+
+ return 0;
+}
+
+gboolean determine_chassis_and_icon() {
+
+ char *hwproduct, *hwmodel, *hwvendor, *hwmachine;
+ size_t hwproduct_size, hwmodel_size, hwvendor_size, hwmachine_size;
+ int hwproduct_name[2], hwmodel_name[2], hwvendor_name[2], hwmachine_name[2];
+ unsigned int i;
+ gboolean UNSURE_CHASSIS_FLAG, UNSURE_ICON_FLAG;
+
+ hwproduct = hwmodel = hwvendor = hwmachine = NULL;
+ hwproduct_size = hwmodel_size = hwvendor_size = hwmachine_size = 0;
+ UNSURE_CHASSIS_FLAG = UNSURE_ICON_FLAG = FALSE;
+
+ hwproduct_name[0] = CTL_HW;
+ hwproduct_name[1] = HW_PRODUCT;
+
+ hwmodel_name[0] = CTL_HW;
+ hwmodel_name[1] = HW_MODEL;
+
+ hwvendor_name[0] = CTL_HW;
+ hwvendor_name[1] = HW_VENDOR;
+
+ hwmachine_name[0] = CTL_HW;
+ hwmachine_name[1] = HW_MACHINE;
+
+ /* pass NULL buffer to check size first, then pass hw to be filled according to freshly-set hw_size */
+ if(-1 == sysctl(hwproduct_name, 2, NULL, &hwproduct_size, NULL, 0) || -1 == sysctl(hwproduct_name, 2, hwproduct, &hwproduct_size, NULL, 0))
+ return FALSE;
+
+ if(-1 == sysctl(hwmodel_name, 2, NULL, &hwmodel_size, NULL, 0) || -1 == sysctl(hwmodel_name, 2, hwmodel, &hwmodel_size, NULL, 0))
+ return FALSE;
+
+ if(-1 == sysctl(hwvendor_name, 2, NULL, &hwvendor_size, NULL, 0) || -1 == sysctl(hwvendor_name, 2, hwvendor, &hwvendor_size, NULL, 0))
+ return FALSE;
+
+ if(-1 == sysctl(hwmachine_name, 2, NULL, &hwmachine_size, NULL, 0) || -1 == sysctl(hwmachine_name, 2, hwmachine, &hwmachine_size, NULL, 0))
+ return FALSE;
+
+ /* TODO: test for laptop, if not, dmidecode for desktop vs. server
+ * probably move this code to vm test func and set a global after running it early, once */
+
+ for(; i < G_N_ELEMENTS(chassis_indicator_table); i++) {
+ if(strcasestr(hwproduct, chassis_indicator_table[i].match_string)
+ || strcasestr(hwmodel, chassis_indicator_table[i].match_string)
+ || strcasestr(hwvendor, chassis_indicator_table[i].match_string)) {
+
+ if(!UNSURE_CHASSIS_FLAG && chassis_indicator_table[i].chassis) {
+
+ UNSURE_CHASSIS_FLAG = chassis_indicator_table[i].chassis_precedence;
+ CHASSIS = chassis_indicator_table[i].chassis;
+ }
+
+ if(!UNSURE_ICON_FLAG && chassis_indicator_table[i].icon) {
+
+ UNSURE_ICON_FLAG = chassis_indicator_table[i].icon_precedence;
+ ICON = chassis_indicator_table[i].icon;
+ }
+ }
+ }
+
+ if(up_native_is_laptop()) {
+
+ if(!CHASSIS)
+ CHASSIS = "laptop";
+ if(!ICON)
+ ICON = "input-touchpad"; /* TODO pull an icon package that actually has the icons we're looking for */
+
+ } else if(is_server(hwmachine)) {
+
+ if(!CHASSIS)
+ CHASSIS = "server";
+ if(!ICON)
+ ICON = "uninterruptible-power-supply";
+
+ } else if(!CHASSIS || !ICON) {
+
+ if(!CHASSIS)
+ CHASSIS = "desktop";
+ if(!ICON)
+ ICON = "computer";
+ }
+
+ return (CHASSIS && ICON);
+}
+
+gboolean is_server(gchar *arch) {
+
+ unsigned int i;
+
+ for(; i < G_N_ELEMENTS(server_archs); i++)
+ if(strcasestr(arch, server_archs[i]))
+ return TRUE;
+
+ return FALSE;
+}
+
+gboolean up_native_is_laptop() {
+
+ struct apm_power_info bstate;
+ struct sensordev acpiac;
+
+ if (up_native_get_sensordev("acpiac0", &acpiac))
+ return TRUE;
+
+ if (-1 == ioctl(up_apm_get_fd(), APM_IOC_GETPOWER, &bstate))
+ g_error("ioctl on apm fd failed : %s", g_strerror(errno));
+
+ return bstate.ac_state != APM_AC_UNKNOWN;
+}
+
+int up_apm_get_fd() {
+
+ static int apm_fd = 0;
+
+ if(apm_fd == 0) {
+
+ g_debug("apm_fd is not initialized yet, opening");
+
+ /* open /dev/apm */
+ if((apm_fd = open("/dev/apm", O_RDONLY)) == -1) {
+ if(errno != ENXIO && errno != ENOENT)
+ g_error("cannot open device file");
+ }
+ }
+
+ return apm_fd;
+}