/**
* Utility method for converting the non-firewalled elements of an AlternateLocationCollection to
* a smaller set of endpoints.
*/
private static Set getAsEndpoints(AlternateLocationCollection col) {
if (col == null || !col.hasAlternateLocations()) return Collections.EMPTY_SET;
long now = System.currentTimeMillis();
synchronized (col) {
Set endpoints = null;
int i = 0;
for (Iterator iter = col.iterator(); iter.hasNext() && i < MAX_LOCATIONS; ) {
Object o = iter.next();
if (!(o instanceof DirectAltLoc)) continue;
DirectAltLoc al = (DirectAltLoc) o;
if (al.canBeSent(AlternateLocation.MESH_RESPONSE)) {
IpPort host = al.getHost();
if (!NetworkUtils.isMe(host)) {
if (endpoints == null) endpoints = new HashSet();
if (!(host instanceof Endpoint)) host = new Endpoint(host.getAddress(), host.getPort());
endpoints.add(host);
i++;
al.send(now, AlternateLocation.MESH_RESPONSE);
}
} else if (!al.canBeSentAny()) iter.remove();
}
return endpoints == null ? Collections.EMPTY_SET : endpoints;
}
}
/**
* Constructs a new RemoteFileDesc exactly like the other one, but with a different remote host.
*
* <p>It is okay to use the same internal structures for URNs because the Set is immutable.
*/
public RemoteFileDesc(RemoteFileDesc rfd, IpPort ep) {
this(
ep.getAddress(), // host
ep.getPort(), // port
COPY_INDEX, // index (unknown)
rfd.getFileName(), // filename
rfd.getSize(), // filesize
DataUtils.EMPTY_GUID, // client GUID
0, // speed
false, // chat capable
2, // quality
false, // browse hostable
rfd.getUrns(), // urns
false, // reply to MCast
false, // is firewalled
AlternateLocation.ALT_VENDOR, // vendor
System.currentTimeMillis(), // timestamp
Collections.EMPTY_SET, // push proxies
rfd.getCreationTime(), // creation time
0); // firewalled transfer
}