Re: [Vala] Vala/DBus with dict object

[Marcelo Boveto Shima <marceloshima gmail com>]

Thanks.

But no luck yet. Now it is segfaulting at OpenSessionWithParameters call.
I am using vala 0.5.6.
am I missing something else?

using GLib;

public class Sessiondb.Main : Object {
    private const string CK_NAME = "org.freedesktop.ConsoleKit";
    private const string CK_PATH = "/org/freedesktop/ConsoleKit";
    private const string CK_INTERFACE = "org.freedesktop.ConsoleKit";
    private const string CK_MANAGER_PATH = "/org/freedesktop/ConsoleKit/Manager";
    private const string CK_MANAGER_INTERFACE = "org.freedesktop.ConsoleKit.Manager";
    private const string CK_SEAT_INTERFACE = "org.freedesktop.ConsoleKit.Seat";
    private const string CK_SESSION_INTERFACE = "org.freedesktop.ConsoleKit.Session";

    private dynamic DBus.Object ckmanager;

    public Main () {
    }

    public struct Test {
        public string key;
        public Value? value ;

        Test (string a, Value? b){
            key = a;
            value = b;
        }
    }

    public void run () {
        try {
            var conn = DBus.Bus.get (DBus.BusType.SYSTEM);
            this.ckmanager = conn.get_object ("org.freedesktop.ConsoleKit", "/org/freedesktop/ConsoleKit/Manager", "org.freedesktop.ConsoleKit.Manager");

            Value sessiontype2 = Value (typeof(string));
            sessiontype2.set_string ("sessiondb");

            Test sessiontype = Test ("session-type", sessiontype2);
            Test[] parameters = {sessiontype};

            stderr.printf ("parameters[0].key = %s\n", parameters[0].key);
            stderr.printf ("parameters[0].value.get_string() = %s\n", parameters[0].value.get_string());

            stderr.printf ("Executing OpenSessionWithParameters\n");
            string cookie = this.ckmanager.OpenSessionWithParameters (parameters);

            stderr.printf ("finished: %s \n", cookie);

        } catch (Error e) {
            stderr.printf ("Oops: %s\n", e.message);
        }

    }

    static int main (string[] args) {
        var main = new Main ();
        main.run ();
        return 0;
    }
}


Thanks

2009/2/19 Frederik Sdun <frederik sdun googlemail com>

Hi,

the siganture a(sv) is an array of structs with a string and a value,
not a Dict/HashTable. A hashtable has the signature a{av}.

Regards, Frederik

Am Donnerstag, den 19.02.2009, 00:32 -0300 schrieb Marcelo Boveto Shima:

> Hello!
>
> I am trying to invoke some ConsoleKit methods and I succeed on
> almost every method, but not OpenSessionWithParameters.
> It has the signature a(sv) (1). I don´t know what I am doing wrong.
> I created a method with the same signature and it worked.
>
> It works with python/dbus.
>
> The code is:
> using GLib;
>
> public class Sessiondb.Main : Object {
>     private const string CK_NAME = "org.freedesktop.ConsoleKit";
>     private const string CK_PATH = "/org/freedesktop/ConsoleKit";
>     private const string CK_INTERFACE = "org.freedesktop.ConsoleKit";
>     private const string CK_MANAGER_PATH =
> "/org/freedesktop/ConsoleKit/Manager";
>     private const string CK_MANAGER_INTERFACE =
> "org.freedesktop.ConsoleKit.Manager";
>     private const string CK_SEAT_INTERFACE =
> "org.freedesktop.ConsoleKit.Seat";
>     private const string CK_SESSION_INTERFACE =
> "org.freedesktop.ConsoleKit.Session";
>
>     private dynamic DBus.Object ckmanager;
>
>     public Main () {
>     }
>     public void run () {
>         try {
>             var conn = DBus.Bus.get (DBus.BusType.SYSTEM);
>
>             this.ckmanager = conn.get_object
> ("org.freedesktop.ConsoleKit", "/org/freedesktop/ConsoleKit/Manager",
> "org.freedesktop.ConsoleKit.Manager");
>
>             HashTable<string,Value?> parameters = new
> HashTable<string,Value?>(str_hash,str_equal);
>
>             Value sessiontype = Value (typeof(string));
>             sessiontype.set_string ("sessiondb");
>             parameters.insert("session-type" , sessiontype);
>
>             string cookie = ckmanager.OpenSessionWithParameters
> (parameters);
>
>             stderr.printf ("finished: %s \n", cookie);
>
>         } catch (Error e) {
>             stderr.printf ("Oops: %s\n", e.message);
>         }
>     }
>     static int main (string[] args) {
>         var main = new Main ();
>         main.run ();
>         return 0;
>     }
> }
>
>
> The error is Method "OpenSessionWithParameters" with signature "a{sv}"
> on interface "org.freedesktop.ConsoleKit.Manager" doesn't exist.
>
> Thanks
> Shima.
>
> (1)
> http://people.freedesktop.org/~mccann/doc/ConsoleKit/ConsoleKit.html#Manager.OpenSessionWithParameters

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