1package eu.siacs.conversations.xmpp.jingle;
2
3import java.math.BigInteger;
4import java.security.SecureRandom;
5import java.util.ArrayList;
6import java.util.List;
7import java.util.concurrent.ConcurrentHashMap;
8
9import android.util.Log;
10
11import eu.siacs.conversations.entities.Account;
12import eu.siacs.conversations.entities.Message;
13import eu.siacs.conversations.services.XmppConnectionService;
14import eu.siacs.conversations.xml.Element;
15import eu.siacs.conversations.xmpp.OnIqPacketReceived;
16import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
17import eu.siacs.conversations.xmpp.stanzas.IqPacket;
18
19public class JingleConnectionManager {
20
21 private XmppConnectionService xmppConnectionService;
22
23 private List<JingleConnection> connections = new ArrayList<JingleConnection>(); // make
24 // concurrent
25
26 private ConcurrentHashMap<String, Element> primaryCandidates = new ConcurrentHashMap<String, Element>();
27
28 private SecureRandom random = new SecureRandom();
29
30 public JingleConnectionManager(XmppConnectionService service) {
31 this.xmppConnectionService = service;
32 }
33
34 public void deliverPacket(Account account, JinglePacket packet) {
35 for (JingleConnection connection : connections) {
36 if (connection.getAccountJid().equals(account.getJid()) && connection
37 .getSessionId().equals(packet.getSessionId()) && connection
38 .getCounterPart().equals(packet.getFrom())) {
39 connection.deliverPacket(packet);
40 return;
41 }
42 }
43 Log.d("xmppService","delivering packet failed "+packet.toString());
44 }
45
46 public JingleConnection createNewConnection(Message message) {
47 Account account = message.getConversation().getAccount();
48 JingleConnection connection = new JingleConnection(this);
49 connection.init(message);
50 connections.add(connection);
51 return connection;
52 }
53
54 public JingleConnection createNewConnection(JinglePacket packet) {
55 JingleConnection connection = new JingleConnection(this);
56 connections.add(connection);
57 return connection;
58 }
59
60 private String generateInternalId(String account, String counterpart,
61 String sid) {
62 return account + "#" + counterpart + "#" + sid;
63
64 }
65
66 public XmppConnectionService getXmppConnectionService() {
67 return this.xmppConnectionService;
68 }
69
70 public void getPrimaryCandidate(Account account,
71 final OnPrimaryCandidateFound listener) {
72 if (!this.primaryCandidates.containsKey(account.getJid())) {
73 String xmlns = "http://jabber.org/protocol/bytestreams";
74 final String proxy = account.getXmppConnection()
75 .findDiscoItemByFeature(xmlns);
76 if (proxy != null) {
77 IqPacket iq = new IqPacket(IqPacket.TYPE_GET);
78 iq.setTo(proxy);
79 iq.query(xmlns);
80 account.getXmppConnection().sendIqPacket(iq,
81 new OnIqPacketReceived() {
82
83 @Override
84 public void onIqPacketReceived(Account account,
85 IqPacket packet) {
86 Element streamhost = packet
87 .query()
88 .findChild("streamhost",
89 "http://jabber.org/protocol/bytestreams");
90 if (streamhost != null) {
91 Log.d("xmppService", "streamhost found "
92 + streamhost.toString());
93 Element candidate = new Element("candidate");
94 candidate.setAttribute("cid",
95 nextRandomId());
96 candidate.setAttribute("host",
97 streamhost.getAttribute("host"));
98 candidate.setAttribute("port",
99 streamhost.getAttribute("port"));
100 candidate.setAttribute("type", "proxy");
101 candidate.setAttribute("jid", proxy);
102 candidate
103 .setAttribute("priority", "655360");
104 primaryCandidates.put(account.getJid(),
105 candidate);
106 listener.onPrimaryCandidateFound(true,
107 candidate);
108 } else {
109 listener.onPrimaryCandidateFound(false,
110 null);
111 }
112 }
113 });
114 } else {
115 listener.onPrimaryCandidateFound(false, null);
116 }
117
118 } else {
119 listener.onPrimaryCandidateFound(true,
120 this.primaryCandidates.get(account.getJid()));
121 }
122 }
123
124 public String nextRandomId() {
125 return new BigInteger(50, random).toString(32);
126 }
127}