dbus: complete target unit coverage

src/dbus-target.c

@@ -19,11 +19,14 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <errno.h>
+
 #include "dbus-unit.h"
 #include "dbus-target.h"
 
 #define BUS_TARGET_INTERFACE                                            \
         " <interface name=\"org.freedesktop.systemd1.Target\">\n"       \
+        "  <property name=\"SysVRunLevel\" type=\"s\" access=\"read\"/>\n" \
         " </interface>\n"
 
 #define INTROSPECTION                                                   \
@@ -37,9 +40,31 @@
 
 const char bus_target_interface[] = BUS_TARGET_INTERFACE;
 
+static int bus_target_append_runlevel(Manager *n, DBusMessageIter *i, const char *property, void *data) {
+        Target *t = data;
+        const char *d;
+        char buf[2];
+
+        assert(n);
+        assert(i);
+        assert(property);
+        assert(t);
+
+        buf[0] = (char) target_get_runlevel(t);
+        buf[1] = 0;
+
+        d = buf;
+
+        if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d))
+                return -ENOMEM;
+
+        return 0;
+}
+
 DBusHandlerResult bus_target_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
         const BusProperty properties[] = {
                 BUS_UNIT_PROPERTIES,
+                { "org.freedesktop.systemd1.Target", "SysVRunLevel", bus_target_append_runlevel, "s", u },
                 { NULL, NULL, NULL, NULL, NULL }
         };