/*
* Returns true if both rfd "have the same content". Currently
* rfd1~=rfd2 iff either of the following conditions hold:
*
* <ul>
* <li>Both files have the same hash, i.e.,
* rfd1.getSHA1Urn().equals(rfd2.getSHA1Urn(). Note that this (almost)
* always means that rfd1.getSize()==rfd2.getSize(), though rfd1 and
* rfd2 may have different names.
* <li>Both files have the same name and size and don't have conflicting
* hashes, i.e., rfd1.getName().equals(rfd2.getName()) &&
* rfd1.getSize()==rfd2.getSize() && (rfd1.getSHA1Urn()==null ||
* rfd2.getSHA1Urn()==null ||
* rfd1.getSHA1Urn().equals(rfd2.getSHA1Urn())).
* </ul>
* Note that the second condition allows risky resumes, i.e., resumes when
* one (or both) of the files doesn't have a hash.
*
* @see getFile
*/
static boolean same(RemoteFileDesc rfd1, RemoteFileDesc rfd2) {
return same(
rfd1.getFileName(),
rfd1.getSize(),
rfd1.getSHA1Urn(),
rfd2.getFileName(),
rfd2.getSize(),
rfd2.getSHA1Urn());
}
/**
* Creates a new LimeWire result.
*
* @param sha1 The hash of the file.
* @param rfd The base descriptor for the file.
* @param hd The host data.
* @param ipPorts The endpoints for the file.
* @throws URISyntaxException If there's an error creating any associated URIs.
*/
public LimeWireResult(
final URI sha1,
final RemoteFileDesc rfd,
final GUID queryGUID,
final Set<? extends IpPort> ipPorts)
throws URISyntaxException {
super(
rfd.getFileName(),
sha1,
createThumbnailUrl(rfd.getFileName()),
-1,
-1,
rfd.getSize(),
"limewire",
sha1,
null);
this.m_queryGUID = queryGUID;
this.m_alts.addAll(ipPorts);
this.m_rfds.add(rfd);
}
/**
* Constructs a new RemoteFileDesc exactly like the other one, but with a different push proxy
* host. Will be handy when processing head pongs.
*/
public RemoteFileDesc(RemoteFileDesc rfd, PushEndpoint pe) {
this(
rfd.getHost(), // host - ignored
rfd.getPort(), // port -ignored
COPY_INDEX, // index (unknown)
rfd.getFileName(), // filename
rfd.getSize(), // filesize
rfd.getSpeed(), // speed
false, // chat capable
rfd.getQuality(), // quality
false, // browse hostable
rfd.getUrns(), // urns
false, // reply to MCast
true, // is firewalled
AlternateLocation.ALT_VENDOR, // vendor
System.currentTimeMillis(), // timestamp
rfd.getCreationTime(), // creation time
pe);
}
/**
* 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
}
/**
* Same as getFile(String, urn, int), except taking the values from the RFD. getFile(rfd) ==
* getFile(rfd.getFileName(), rfd.getSHA1Urn(), rfd.getSize());
*/
public synchronized File getFile(RemoteFileDesc rfd) throws IOException {
return getFile(rfd.getFileName(), rfd.getSHA1Urn(), rfd.getSize());
}