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Packages: gio-2.0
D-Bus
Program: client
struct FooStruct {
int i;
string s;
public FooStruct (int i, string s) {
this.i = i;
this.s = s;
}
}
[DBus (name = "org.example.Test")]
interface Test : Object {
public abstract FooStruct test_property { owned get; set; }
public abstract FooStruct test_struct (FooStruct f, out FooStruct g) throws IOError;
}
void main () {
// client
Test test = Bus.get_proxy_sync (BusType.SESSION, "org.example.Test", "/org/example/test", DBusProxyFlags.DO_NOT_LOAD_PROPERTIES);
FooStruct f, g, h;
f = FooStruct (42, "hello");
h = test.test_struct (f, out g);
assert (g.i == 23);
assert (g.s == "world");
assert (h.i == 11);
assert (h.s == "vala");
test.test_property = f;
g = test.test_property;
assert (g.i == 42);
assert (g.s == "hello");
}
Program: server
struct FooStruct {
int i;
string s;
public FooStruct (int i, string s) {
this.i = i;
this.s = s;
}
}
[DBus (name = "org.example.Test")]
class Test : Object {
public FooStruct test_property { owned get; set; }
public FooStruct test_struct (FooStruct f, out FooStruct g) {
assert (f.i == 42);
assert (f.s == "hello");
g = FooStruct (23, "world");
return FooStruct (11, "vala");
}
}
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_structs_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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