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package eu.siacs.conversations.xmpp.jingle;
import java.math.BigInteger;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import android.util.Log;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xmpp.OnIqPacketReceived;
import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
import eu.siacs.conversations.xmpp.stanzas.IqPacket;
public class JingleConnectionManager {
private XmppConnectionService xmppConnectionService;
private List<JingleConnection> connections = new ArrayList<JingleConnection>(); // make
// concurrent
private ConcurrentHashMap<String, Element> primaryCandidates = new ConcurrentHashMap<String, Element>();
private SecureRandom random = new SecureRandom();
public JingleConnectionManager(XmppConnectionService service) {
this.xmppConnectionService = service;
}
public void deliverPacket(Account account, JinglePacket packet) {
for (JingleConnection connection : connections) {
if (connection.getAccountJid().equals(account.getJid()) && connection
.getSessionId().equals(packet.getSessionId()) && connection
.getCounterPart().equals(packet.getFrom())) {
connection.deliverPacket(packet);
return;
}
}
Log.d("xmppService","delivering packet failed "+packet.toString());
}
public JingleConnection createNewConnection(Message message) {
Account account = message.getConversation().getAccount();
JingleConnection connection = new JingleConnection(this);
connection.init(message);
connections.add(connection);
return connection;
}
public JingleConnection createNewConnection(JinglePacket packet) {
JingleConnection connection = new JingleConnection(this);
connections.add(connection);
return connection;
}
private String generateInternalId(String account, String counterpart,
String sid) {
return account + "#" + counterpart + "#" + sid;
}
public XmppConnectionService getXmppConnectionService() {
return this.xmppConnectionService;
}
public void getPrimaryCandidate(Account account,
final OnPrimaryCandidateFound listener) {
if (!this.primaryCandidates.containsKey(account.getJid())) {
String xmlns = "http://jabber.org/protocol/bytestreams";
final String proxy = account.getXmppConnection()
.findDiscoItemByFeature(xmlns);
if (proxy != null) {
IqPacket iq = new IqPacket(IqPacket.TYPE_GET);
iq.setTo(proxy);
iq.query(xmlns);
account.getXmppConnection().sendIqPacket(iq,
new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(Account account,
IqPacket packet) {
Element streamhost = packet
.query()
.findChild("streamhost",
"http://jabber.org/protocol/bytestreams");
if (streamhost != null) {
Log.d("xmppService", "streamhost found "
+ streamhost.toString());
Element candidate = new Element("candidate");
candidate.setAttribute("cid",
nextRandomId());
candidate.setAttribute("host",
streamhost.getAttribute("host"));
candidate.setAttribute("port",
streamhost.getAttribute("port"));
candidate.setAttribute("type", "proxy");
candidate.setAttribute("jid", proxy);
candidate
.setAttribute("priority", "655360");
primaryCandidates.put(account.getJid(),
candidate);
listener.onPrimaryCandidateFound(true,
candidate);
} else {
listener.onPrimaryCandidateFound(false,
null);
}
}
});
} else {
listener.onPrimaryCandidateFound(false, null);
}
} else {
listener.onPrimaryCandidateFound(true,
this.primaryCandidates.get(account.getJid()));
}
}
public String nextRandomId() {
return new BigInteger(50, random).toString(32);
}
}
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