/**
* @param now what time is it now
* @return whether the in-network downloader is considered hopeless
*/
private boolean isHopeless(InNetworkDownloader downloader, long now) {
if (now - downloader.getStartTime()
< UpdateSettings.UPDATE_GIVEUP_FACTOR.getValue()
* UpdateSettings.UPDATE_DOWNLOAD_DELAY.getValue()) return false;
if (downloader.getDownloadAttempts() < UpdateSettings.UPDATE_MIN_ATTEMPTS.getValue())
return false;
return true;
}
/** @return whether we killed any hopeless update downloads */
private void killHopelessUpdates(List<? extends DownloadInformation> updates) {
if (updates == null) return;
if (!downloadManager.get().hasInNetworkDownload()) return;
long now = clock.now();
for (DownloadInformation info : updates) {
Downloader downloader = downloadManager.get().getDownloaderForURN(info.getUpdateURN());
if (downloader != null && downloader instanceof InNetworkDownloader) {
InNetworkDownloader iDownloader = (InNetworkDownloader) downloader;
if (isHopeless(iDownloader, now)) iDownloader.stop(false);
}
}
}