package org.klomp.snark;
import java.net.URI;
import java.util.List;
import net.i2p.I2PAppContext;
import net.i2p.update.*;
/**
* <p>Handles the request to update the router by firing up a magnet.
* {@link net.i2p.util.EepGet} calls to download the latest signed update file
* and displaying the status to anyone who asks.
* </p>
* <p>After the download completes the signed update file is verified with
* {@link net.i2p.crypto.TrustedUpdate}, and if it's authentic the payload
* of the signed update file is unpacked and the router is restarted to complete
* the update process.
* </p>
*
* This does not do any checking, that is handled by the NewsFetcher.
*
* @since 0.9.4
*/
class UpdateHandler implements Updater {
private final I2PAppContext _context;
private final UpdateManager _umgr;
private final SnarkManager _smgr;
public UpdateHandler(I2PAppContext ctx, UpdateManager umgr, SnarkManager smgr) {
_context = ctx;
_umgr = umgr;
_smgr = smgr;
}
/**
* Start a download and return a handle to the download task.
* Should not block.
*
* @param id plugin name or ignored
* @param maxTime how long you have
* @return active task or null if unable to download
*/
public UpdateTask update(UpdateType type, UpdateMethod method, List<URI> updateSources,
String id, String newVersion, long maxTime) {
if ((type != UpdateType.ROUTER_SIGNED && type != UpdateType.ROUTER_SIGNED_SU3) ||
method != UpdateMethod.TORRENT || updateSources.isEmpty())
return null;
UpdateRunner update = new UpdateRunner(_context, _umgr, _smgr, type, updateSources, newVersion);
_umgr.notifyProgress(update, "<b>" + _smgr.util().getString("Updating") + "</b>");
return update;
}
}