1 files changed, 56 insertions, 0 deletions
diff --git a/vala-xmpp/src/module/xep/0199_ping.vala b/vala-xmpp/src/module/xep/0199_ping.vala
new file mode 100644
index 00000000..82da1d23
--- /dev/null
+++ b/vala-xmpp/src/module/xep/0199_ping.vala
@@ -0,0 +1,56 @@
+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 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(NS_URI, ID);
+        }
+
+        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);
+    }
+}