Hello Matias
Is this what you are looking for?
This only works with async methods that release the mainloop in between.
Please see attached file.
Compiled with:
valac --pkg gio-2.0 async2.vala
Regards
Jörn
>
> Basically I want to call an async method that waits for a response from
> some object. But, if after, lets say 2 seconds, it don't receive a
> response, return an error.
>
> I attached a test case of what i think it can work, but i don't know how
> to resume/cancel an async method...
>
> Any help is welcome
> Thanks
> Matias
> _______________________________________________
> vala-list mailing list
> [email protected]
> http://mail.gnome.org/mailman/listinfo/vala-list
interface Foo : GLib.Object {
public signal void message_received ();
public abstract async bool send_message (string message, Cancellable? cancellable = null);
}
// depending on the size of number the timeout will be there before everything is finished
//public static const int NUMBER = 100000;
public static const int NUMBER = 100000000;
async void run () {
Cancellable cancellable = new Cancellable();
uint timeout = 0;
timeout = Timeout.add(2000, () => {
// Timed out
print("timed out\n");
cancellable.cancel();
timeout = 0;
return false; // no repeat for the timeout
});
bool result = yield _foo.send_message ("ping", cancellable);
if(timeout != 0) {
Source.remove(timeout);
}
if(result)
print("success\n");
else
print("no success\n");
}
Foo _foo;
class Test : GLib.Object, Foo {
public async bool send_message (string message, Cancellable? cancellable = null) {
//do something time consuming
for(int i = 0; i<NUMBER; i++) {
if(cancellable != null && cancellable.is_cancelled()) {
return false;
}
Idle.add(send_message.callback);
yield;
}
print("send message %s\n", message);
message_received();
return true;
}
}
void main (string[] args) {
_foo = new Test();//create_instance_of_foo ();
_foo.message_received.connect (() => {
print("received\n");
});
run.begin ();
var loop = new GLib.MainLoop (null, false);
loop.run ();
}
_______________________________________________
vala-list mailing list
[email protected]
http://mail.gnome.org/mailman/listinfo/vala-list
