Hello
I updated the test case to also work with vala-0.10.0 .
Still not working.
Is there anybody who can tell about signals in vala + GDBus ?
Regards
Jörn
> Hello
> I've got an issue connecting dbus signals with GDBus.
>
> In this mail I send an example showing the problem with two programs
> 'client.vala' and 'server.vala'.
> These two shall run at the same time and the server is sending signals
> every few seconds, while the client connects to these.
>
> Funny thing is while it is perfectly possible to read properties and
> call functions from the client, I cannot catch signals from the server
> there. Also the notify from the changed property is lost somewhere (but
> I'm not sure if notify is working at all via dbus).
>
> The signals that are sent from the server every few seconds can be
> watched in 'dbus-monitor' on another commandline window.
>
> Please give me a hint what I'm doing wrong here. I'm using vala-0.9.8
> release.
>
> Regards,
> Jörn
>
>
>
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> vala-list mailing list
> [email protected]
> http://mail.gnome.org/mailman/listinfo/vala-list
[DBus (name = "org.example.Demo")]
interface DemoNotify : Object {
public signal void TestSign(string ff);
public signal void Lctest(string ff);
public abstract string TestProp { owned get; set; }
public abstract int ping (string msg) throws IOError;
}
void main () {
try {
DemoNotify demonotify = Bus.get_proxy_sync(BusType.SESSION, "org.example.Demo", "/org/example/Demo");
demonotify.Lctest.connect( () => { print("signal reached client");});
demonotify.notify.connect( (s,p) => { print("%s\n", p.name); });
demonotify.ping ("Hello from Vala");
print("prop:%s\n", demonotify.TestProp);
}
catch (IOError e) {
print("%s\n", e.message);
}
new MainLoop(null, false).run();
}
//$ valac --pkg gio-2.0 client.vala
[DBus (name = "org.example.Demo")]
public class DemoServer : Object {
public signal void Lctest(string ff);
private string _TestProp = "startval";
public signal void TestSign(string ff);
public string TestProp {
owned get{
return _TestProp;
}
set{
_TestProp = value;
}
}
private int counter;
public int ping (string msg) {
stdout.printf ("%s\n", msg);
return counter++;
}
}
public class Test {
private DBusConnection conn;
private int i = 0;
private void on_bus_acquired(DBusConnection connection, string name) {
print("bus acquired\n");
try {
conn = connection;
var sv = new DemoServer ();
conn.register_object ("/org/example/Demo", sv);
Timeout.add_seconds(4, () => {
sv.TestProp = "fff" + i.to_string();
sv.Lctest("signal from server\n");
i++;
return true;
});
}
catch(IOError e) {
print("%s\n", e.message);
}
}
private void on_name_acquired(DBusConnection connection, string name) {
print("name acquired\n");
}
private void on_name_lost(DBusConnection connection, string name) {
print("name_lost\n");
}
public static void main () {
var t = new Test();
try {
uint owner_id = Bus.own_name(BusType.SESSION,
"org.example.Demo",
GLib.BusNameOwnerFlags.NONE,
t.on_bus_acquired,
t.on_name_acquired,
t.on_name_lost);
}
catch (IOError e) {
stderr.printf ("%s\n", e.message);
}
new MainLoop(null, false).run();
}
}
//$ valac --pkg gio-2.0 server.vala
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