diff options
Diffstat (limited to 'xmpp-vala/src/module/xep/0176_jingle_ice_udp/transport_parameters.vala')
| -rw-r--r-- | xmpp-vala/src/module/xep/0176_jingle_ice_udp/transport_parameters.vala | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/xmpp-vala/src/module/xep/0176_jingle_ice_udp/transport_parameters.vala b/xmpp-vala/src/module/xep/0176_jingle_ice_udp/transport_parameters.vala new file mode 100644 index 00000000..8b8aa07d --- /dev/null +++ b/xmpp-vala/src/module/xep/0176_jingle_ice_udp/transport_parameters.vala @@ -0,0 +1,114 @@ +using Gee; +using Xmpp.Xep; +using Xmpp; + +public abstract class Xmpp.Xep.JingleIceUdp.IceUdpTransportParameters : Jingle.TransportParameters, Object { + public string ns_uri { get { return NS_URI; } } + public string remote_pwd { get; private set; } + public string remote_ufrag { get; private set; } + public string local_pwd { get; private set; } + public string local_ufrag { get; private set; } + + public ConcurrentList<Candidate> local_candidates = new ConcurrentList<Candidate>(Candidate.equals_func); + public ConcurrentList<Candidate> unsent_local_candidates = new ConcurrentList<Candidate>(Candidate.equals_func); + public Gee.List<Candidate> remote_candidates = new ArrayList<Candidate>(Candidate.equals_func); + + public Jid local_full_jid { get; private set; } + public Jid peer_full_jid { get; private set; } + private uint8 components_; + public uint8 components { get { return components_; } } + + public bool incoming { get; private set; default = false; } + private bool connection_created = false; + + private weak Jingle.Content? content = null; + + protected IceUdpTransportParameters(uint8 components, Jid local_full_jid, Jid peer_full_jid, StanzaNode? node = null) { + this.components_ = components; + this.local_full_jid = local_full_jid; + this.peer_full_jid = peer_full_jid; + if (node != null) { + incoming = true; + remote_pwd = node.get_attribute("pwd"); + remote_ufrag = node.get_attribute("ufrag"); + foreach (StanzaNode candidateNode in node.get_subnodes("candidate")) { + remote_candidates.add(Candidate.parse(candidateNode)); + } + } + } + + public void init(string ufrag, string pwd) { + this.local_ufrag = ufrag; + this.local_pwd = pwd; + debug("Initialized for %s", pwd); + } + + public void set_content(Jingle.Content content) { + this.content = content; + this.content.weak_ref(unset_content); + } + + public void unset_content() { + this.content = null; + } + + public StanzaNode to_transport_stanza_node() { + var node = new StanzaNode.build("transport", NS_URI) + .add_self_xmlns() + .put_attribute("ufrag", local_ufrag) + .put_attribute("pwd", local_pwd); + foreach (Candidate candidate in unsent_local_candidates) { + node.put_node(candidate.to_xml()); + } + unsent_local_candidates.clear(); + return node; + } + + public virtual void handle_transport_accept(StanzaNode node) throws Jingle.IqError { + string? pwd = node.get_attribute("pwd"); + string? ufrag = node.get_attribute("ufrag"); + if (pwd != null) remote_pwd = pwd; + if (ufrag != null) remote_ufrag = ufrag; + foreach (StanzaNode candidateNode in node.get_subnodes("candidate")) { + remote_candidates.add(Candidate.parse(candidateNode)); + } + } + + public virtual void handle_transport_info(StanzaNode node) throws Jingle.IqError { + string? pwd = node.get_attribute("pwd"); + string? ufrag = node.get_attribute("ufrag"); + if (pwd != null) remote_pwd = pwd; + if (ufrag != null) remote_ufrag = ufrag; + uint8 components = 0; + foreach (StanzaNode candidateNode in node.get_subnodes("candidate")) { + remote_candidates.add(Candidate.parse(candidateNode)); + } + } + + public virtual void create_transport_connection(XmppStream stream, Jingle.Content content) { + connection_created = true; + + check_send_transport_info(); + } + + public void add_local_candidate_threadsafe(Candidate candidate) { + if (local_candidates.contains(candidate)) return; + + debug("New local candidate %u %s %s:%u", candidate.component, candidate.type_.to_string(), candidate.ip, candidate.port); + unsent_local_candidates.add(candidate); + local_candidates.add(candidate); + + if (this.content != null && (this.connection_created || !this.incoming)) { + Timeout.add(50, () => { + check_send_transport_info(); + return false; + }); + } + } + + private void check_send_transport_info() { + if (this.content != null && unsent_local_candidates.size > 0) { + content.send_transport_info(to_transport_stanza_node()); + } + } +}
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