--- /dev/null
+Packages: dbus-glib-1
+
+Program: client
+
+[DBus (name = "org.example.Test")]
+interface Test : Object {
+ public abstract int test_int (int i, out int j);
+ public abstract string test_string (string s, out string t);
+}
+
+void main () {
+ var conn = DBus.Bus.get (DBus.BusType.SESSION);
+
+ // client
+ var test = (Test) conn.get_object ("org.example.Test", "/org/example/test");
+
+ int j, k;
+ k = test.test_int (42, out j);
+ assert (j == 23);
+ assert (k == 11);
+
+ string t, u;
+ u = test.test_string ("hello", out t);
+ assert (t == "world");
+ assert (u == "vala");
+}
+
+Program: server
+
+[DBus (name = "org.example.Test")]
+class Test : Object {
+ public int test_int (int i, out int j) {
+ assert (i == 42);
+ j = 23;
+ return 11;
+ }
+
+ public string test_string (string s, out string t) {
+ assert (s == "hello");
+ t = "world";
+ return "vala";
+ }
+}
+
+MainLoop main_loop;
+int exit_status;
+
+void client_exit (Pid pid, int status) {
+ // client finished, terminate server
+ if (status != 0) {
+ exit_status = 1;
+ }
+ main_loop.quit ();
+}
+
+int main () {
+ var conn = DBus.Bus.get (DBus.BusType.SESSION);
+ dynamic DBus.Object bus = conn.get_object ("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus");
+
+ // try to register service in session bus
+ uint request_name_result = bus.request_name ("org.example.Test", (uint) 0);
+ if (request_name_result == DBus.RequestNameReply.PRIMARY_OWNER) {
+ // start server
+ var server = new Test ();
+ conn.register_object ("/org/example/test", server);
+
+ // server ready, spawn client
+ Pid client_pid;
+ Process.spawn_async (null, { "client" }, null, SpawnFlags.DO_NOT_REAP_CHILD, null, out client_pid);
+ ChildWatch.add (client_pid, client_exit);
+
+ main_loop = new MainLoop (null, false);
+ main_loop.run ();
+ } else {
+ exit_status = 1;
+ }
+ return exit_status;
+}