using Gee; using Xmpp.Core; namespace Xmpp.Xep.Ping { private const string NS_URI = "urn:xmpp:ping"; public class Module : XmppStreamModule { public const string ID = "0199_ping"; public static ModuleIdentity IDENTITY = new ModuleIdentity(NS_URI, ID); public void send_ping(XmppStream stream, string jid, ResponseListener? listener = null) { Iq.Stanza iq = new Iq.Stanza.get(new StanzaNode.build("ping", NS_URI).add_self_xmlns()); iq.to = jid; Iq.Module.get_module(stream).send_iq(stream, iq, listener == null? null : new IqResponseListenerImpl(listener)); } private class IqResponseListenerImpl : Iq.ResponseListener, Object { ResponseListener listener; public IqResponseListenerImpl(ResponseListener listener) { this.listener = listener; } public void on_result(XmppStream stream, Iq.Stanza iq) { listener.on_result(stream); } } public override void attach(XmppStream stream) { Iq.Module.require(stream); Iq.Module.get_module(stream).register_for_namespace(NS_URI, new IqHandlerImpl()); } public override void detach(XmppStream stream) { } public static Module? get_module(XmppStream stream) { return (Module?) stream.get_module(IDENTITY); } public static void require(XmppStream stream) { if (get_module(stream) == null) stream.add_module(new Module()); } public override string get_ns() { return NS_URI; } public override string get_id() { return ID; } private class IqHandlerImpl : Iq.Handler, Object { public void on_iq_get(XmppStream stream, Iq.Stanza iq) { Iq.Module.get_module(stream).send_iq(stream, new Iq.Stanza.result(iq)); } public void on_iq_set(XmppStream stream, Iq.Stanza iq) { } } } public interface ResponseListener : Object { public abstract void on_result(XmppStream stream); } }