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