mirror of https://github.com/TakeV-Lambda/dino.git
99 lines
4.1 KiB
Vala
99 lines
4.1 KiB
Vala
using Gee;
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using Xmpp.Core;
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namespace Xmpp.Iq {
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private const string NS_URI = "jabber:client";
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public class Module : XmppStreamNegotiationModule {
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public const string ID = "iq_module";
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public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, ID);
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private HashMap<string, ResponseListener> responseListeners = new HashMap<string, ResponseListener>();
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private HashMap<string, ArrayList<Handler>> namespaceRegistrants = new HashMap<string, ArrayList<Handler>>();
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[CCode (has_target = false)] public delegate void OnResult(XmppStream stream, Iq.Stanza iq, Object reference);
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public void send_iq(XmppStream stream, Iq.Stanza iq, OnResult? listener = null, Object? reference = null) {
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try {
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stream.write(iq.stanza);
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} catch (IOStreamError e) {
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print(@"$(e.message)\n");
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}
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if (listener != null) {
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responseListeners[iq.id] = new ResponseListener(listener, reference);
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}
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}
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public void register_for_namespace(string namespace, Handler module) {
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if (!namespaceRegistrants.has_key(namespace)) {
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namespaceRegistrants.set(namespace, new ArrayList<Handler>());
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}
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namespaceRegistrants[namespace].add(module);
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}
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public override void attach(XmppStream stream) {
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stream.received_iq_stanza.connect(on_received_iq_stanza);
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}
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public override void detach(XmppStream stream) {
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stream.received_iq_stanza.disconnect(on_received_iq_stanza);
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}
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public static void require(XmppStream stream) {
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if (stream.get_module(IDENTITY) == null) stream.add_module(new Iq.Module());
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}
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public override bool mandatory_outstanding(XmppStream stream) { return false; }
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public override bool negotiation_active(XmppStream stream) { return false; }
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public override string get_ns() { return NS_URI; }
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public override string get_id() { return ID; }
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private void on_received_iq_stanza(XmppStream stream, StanzaNode node) {
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Iq.Stanza iq = new Iq.Stanza.from_stanza(node, Bind.Flag.has_flag(stream) ? Bind.Flag.get_flag(stream).my_jid : null);
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if (iq.type_ == Iq.Stanza.TYPE_RESULT || iq.is_error()) {
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if (responseListeners.has_key(iq.id)) {
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ResponseListener? listener = responseListeners.get(iq.id);
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if (listener != null) {
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listener.on_result(stream, iq, listener.reference);
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}
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responseListeners.unset(iq.id);
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}
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} else {
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ArrayList<StanzaNode> children = node.get_all_subnodes();
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if (children.size == 1 && namespaceRegistrants.has_key(children[0].ns_uri)) {
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ArrayList<Handler> handlers = namespaceRegistrants[children[0].ns_uri];
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foreach (Handler handler in handlers) {
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if (iq.type_ == Iq.Stanza.TYPE_GET) {
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handler.on_iq_get(stream, iq);
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} else if (iq.type_ == Iq.Stanza.TYPE_SET) {
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handler.on_iq_set(stream, iq);
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}
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}
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} else {
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Iq.Stanza unaviable_error = new Iq.Stanza.error(iq, new StanzaNode.build("service-unaviable", "urn:ietf:params:xml:ns:xmpp-stanzas").add_self_xmlns());
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send_iq(stream, unaviable_error);
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}
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}
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}
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private class ResponseListener {
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public OnResult on_result { get; private set; }
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public Object? reference { get; private set; }
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public ResponseListener(OnResult on_result, Object? reference = null) {
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this.on_result = on_result;
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this.reference = reference;
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}
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}
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}
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public interface Handler : Object {
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public abstract void on_iq_get(XmppStream stream, Iq.Stanza iq);
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public abstract void on_iq_set(XmppStream stream, Iq.Stanza iq);
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}
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}
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