+ eventBus.post(new GenericError(String.format("Could not start download of %s from %s (%s).", dccSendReceived.filename(), dccSendReceived.source().nick().get(), fnfe1.getMessage())));
+ }
+ }
+
+ @Subscribe
+ public void dccAcceptReceived(final DccAcceptReceived dccAcceptReceived) {
+ final Optional<Network> network = getNetwork(dccAcceptReceived.connection());
+ if (!network.isPresent()) {
+ return;
+ }
+
+ Collection<Download> packDownloads = downloads.get(dccAcceptReceived.filename());
+ if (packDownloads.isEmpty()) {
+ /* unknown download, ignore. */
+ return;
+ }
+
+ /* check if it’s already downloading. */
+ Collection<Download> runningDownloads = FluentIterable.from(packDownloads).filter(FILTER_RUNNING).toSet();
+ if (!runningDownloads.isEmpty()) {
+ eventBus.post(new GenericMessage(String.format("Ignoring offer for %s, it’s already being downloaded.", dccAcceptReceived.filename())));
+ return;
+ }
+
+ /* locate the correct download. */
+ Collection<Download> requestedDownload = FluentIterable.from(packDownloads).filter(new Predicate<Download>() {
+
+ @Override
+ public boolean apply(Download download) {
+ return download.bot().network().equals(network.get()) && download.bot().name().equalsIgnoreCase(dccAcceptReceived.source().nick().get());
+ }
+ }).toSet();
+
+ /* we did not request this download. */
+ if (requestedDownload.isEmpty()) {
+ return;
+ }
+
+ Download download = requestedDownload.iterator().next();
+
+ try {
+ File outputFile = new File(temporaryDirectory, dccAcceptReceived.filename());
+ if (outputFile.length() != dccAcceptReceived.position()) {
+ eventBus.post(new GenericError(String.format("Download %s from %s does not start at the right position!")));
+ logger.log(Level.WARNING, String.format("Download %s from %s: have %d bytes but wants to resume from %d!", dccAcceptReceived.filename(), dccAcceptReceived.source(), outputFile.length(), dccAcceptReceived.position()));
+
+ downloads.removeAll(download.pack().name());
+ return;
+ }
+ OutputStream outputStream = new FileOutputStream(outputFile, true);
+ DccReceiver dccReceiver = new DccReceiver(eventBus, download.remoteAddress(), dccAcceptReceived.port(), dccAcceptReceived.filename(), dccAcceptReceived.position(), download.filesize(), outputStream);
+ download.filename(outputFile.getPath()).outputStream(outputStream).dccReceiver(dccReceiver);
+ dccReceivers.add(dccReceiver);
+ dccReceiver.start();
+ eventBus.post(new DownloadStarted(download));
+ } catch (FileNotFoundException fnfe1) {