/**
* Adds a specific <tt>LocalCandidate</tt> to the list of <tt>LocalCandidate</tt>s harvested for
* {@link #hostCandidate} by this harvest.
*
* @param candidate the <tt>LocalCandidate</tt> to be added to the list of
* <tt>LocalCandidate</tt>s harvested for {@link #hostCandidate} by this harvest
* @return <tt>true</tt> if the list of <tt>LocalCandidate</tt>s changed as a result of the method
* invocation; otherwise, <tt>false</tt>
*/
protected boolean addCandidate(LocalCandidate candidate) {
boolean added;
// try to add the candidate to the component and then only add it to the
// harvest if it wasn't deemed redundant
if (!candidates.contains(candidate)
&& hostCandidate.getParentComponent().addLocalCandidate(candidate)) {
added = candidates.add(candidate);
} else {
added = false;
}
return added;
}
/**
* Create a UPnP candidate.
*
* @param socket local socket
* @param externalIP external IP address
* @param port local port
* @param component parent component
* @param device the UPnP gateway device
* @return a new <tt>UPNPCandidate</tt> instance which represents the specified
* <tt>TransportAddress</tt>
* @throws Exception if something goes wrong during candidate creation
*/
private List<LocalCandidate> createUPNPCandidate(
IceSocketWrapper socket,
String externalIP,
int port,
Component component,
GatewayDevice device)
throws Exception {
List<LocalCandidate> ret = new ArrayList<>();
TransportAddress addr = new TransportAddress(externalIP, port, Transport.UDP);
HostCandidate base = new HostCandidate(socket, component);
UPNPCandidate candidate = new UPNPCandidate(addr, base, component, device);
IceSocketWrapper stunSocket = candidate.getStunSocket(null);
candidate.getStunStack().addSocket(stunSocket);
component.getComponentSocket().add(candidate.getCandidateIceSocketWrapper());
ret.add(candidate);
ret.add(base);
return ret;
}
/**
* Gets the <tt>Candidate</tt>s harvested for {@link #hostCandidate} during this harvest.
*
* @return an array containing the <tt>Candidate</tt>s harvested for {@link #hostCandidate} during
* this harvest
*/
LocalCandidate[] getCandidates() {
return candidates.toArray(NO_CANDIDATES);
}
/**
* Gets the number of <tt>Candidate</tt>s harvested for {@link #hostCandidate} during this
* harvest.
*
* @return the number of <tt>Candidate</tt>s harvested for {@link #hostCandidate} during this
* harvest
*/
int getCandidateCount() {
return candidates.size();
}
public void addSocket(IceSocketWrapper socket) {
sockets.add(socket);
}