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using Gee;
using Xmpp.Core;
namespace Xmpp.Xep.ServiceDiscovery {
private const string NS_URI = "http://jabber.org/protocol/disco";
public const string NS_URI_INFO = NS_URI + "#info";
public const string NS_URI_ITEMS = NS_URI + "#items";
public class Module : XmppStreamModule, Iq.Handler {
public const string ID = "0030_service_discovery_module";
public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, ID);
public ArrayList<Identity> identities = new ArrayList<Identity>();
public Module.with_identity(string category, string type, string? name = null) {
add_identity(category, type, name);
}
public void add_feature(XmppStream stream, string feature) {
Flag.get_flag(stream).add_own_feature(feature);
}
public void add_feature_notify(XmppStream stream, string feature) {
add_feature(stream, feature + "+notify");
}
public void add_identity(string category, string type, string? name = null) {
identities.add(new Identity(category, type, name));
}
[CCode (has_target = false)] public delegate void OnInfoResult(XmppStream stream, InfoResult query_result, Object? store);
public void request_info(XmppStream stream, string jid, OnInfoResult listener, Object? store) {
Iq.Stanza iq = new Iq.Stanza.get(new StanzaNode.build("query", NS_URI_INFO).add_self_xmlns());
iq.to = jid;
stream.get_module(Iq.Module.IDENTITY).send_iq(stream, iq, on_request_info_response, Tuple.create(listener, store));
}
[CCode (has_target = false)] public delegate void OnItemsResult(XmppStream stream, ItemsResult query_result);
public void request_items(XmppStream stream, string jid, OnItemsResult listener, Object? store) {
Iq.Stanza iq = new Iq.Stanza.get(new StanzaNode.build("query", NS_URI_ITEMS).add_self_xmlns());
iq.to = jid;
stream.get_module(Iq.Module.IDENTITY).send_iq(stream, iq);
}
public void on_iq_get(XmppStream stream, Iq.Stanza iq) {
StanzaNode? query_node = iq.stanza.get_subnode("query", NS_URI_INFO);
if (query_node != null) {
send_query_result(stream, iq);
}
}
public void on_iq_set(XmppStream stream, Iq.Stanza iq) { }
public override void attach(XmppStream stream) {
Iq.Module.require(stream);
stream.get_module(Iq.Module.IDENTITY).register_for_namespace(NS_URI_INFO, this);
stream.add_flag(new Flag());
add_feature(stream, NS_URI_INFO);
}
public override void detach(XmppStream stream) { }
public static void require(XmppStream stream) {
if (stream.get_module(IDENTITY) == null) stream.add_module(new ServiceDiscovery.Module());
}
public override string get_ns() { return NS_URI; }
public override string get_id() { return ID; }
private static void on_request_info_response(XmppStream stream, Iq.Stanza iq, Object o) {
Tuple<OnInfoResult, Object> tuple = o as Tuple<OnInfoResult, Object>;
OnInfoResult on_result = tuple.a;
InfoResult? result = InfoResult.create_from_iq(iq);
if (result != null) {
Flag.get_flag(stream).set_entitiy_features(iq.from, result.features);
on_result(stream, result, tuple.b);
}
}
private void send_query_result(XmppStream stream, Iq.Stanza iq_request) {
InfoResult query_result = new ServiceDiscovery.InfoResult(iq_request);
query_result.features = Flag.get_flag(stream).features;
query_result.identities = identities;
stream.get_module(Iq.Module.IDENTITY).send_iq(stream, query_result.iq);
}
}
public class Identity {
public string category { get; set; }
public string type_ { get; set; }
public string? name { get; set; }
public Identity(string category, string type, string? name = null) {
this.category = category;
this.type_ = type;
this.name = name;
}
}
public class Item {
public string jid;
public string? name;
public string? node;
public Item(string jid, string? name = null, string? node = null) {
this.jid = jid;
this.name = name;
this.node = node;
}
}
}
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