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Packages: gio-2.0
D-Bus
Program: client
[DBus (name = "org.example.Test")]
interface Test : Object {
public abstract int get_test () throws DBusError, IOError;
}
MainLoop main_loop;
void main () {
// client
Bus.get_proxy.begin<Test> (BusType.SESSION, "org.example.Test", "/org/example/test", 0, null, (o,r) => {
try {
Test test = Bus.get_proxy.end<Test> (r);
assert (test.get_test () == 4711);
} catch {
} finally {
main_loop.quit ();
}
});
main_loop = new MainLoop (null, false);
main_loop.run ();
}
Program: server
[DBus (name = "org.example.Test")]
class Test : Object {
public int get_test () throws DBusError, IOError {
return 4711;
}
}
MainLoop main_loop;
void client_exit (Pid pid, int status) {
// client finished, terminate server
assert (status == 0);
main_loop.quit ();
}
void main () {
var conn = Bus.get_sync (BusType.SESSION);
conn.register_object ("/org/example/test", new Test ());
// try to register service in session bus
var request_result = conn.call_sync ("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "RequestName",
new Variant ("(su)", "org.example.Test", 0x4), null, 0, -1);
assert ((uint) request_result.get_child_value (0) == 1);
// server ready, spawn client
Pid client_pid;
Process.spawn_async (null, { "dbus_async_bus_client" }, null, SpawnFlags.DO_NOT_REAP_CHILD, null, out client_pid);
ChildWatch.add (client_pid, client_exit);
main_loop = new MainLoop ();
main_loop.run ();
}
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