diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/download/DownloadService.java b/core/src/main/java/de/danoeh/antennapod/core/service/download/DownloadService.java index 296046031..703b9157f 100644 --- a/core/src/main/java/de/danoeh/antennapod/core/service/download/DownloadService.java +++ b/core/src/main/java/de/danoeh/antennapod/core/service/download/DownloadService.java @@ -7,48 +7,17 @@ import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; -import android.media.MediaMetadataRetriever; import android.os.Binder; import android.os.Build; import android.os.Handler; import android.os.IBinder; +import android.text.TextUtils; +import android.util.Log; +import android.webkit.URLUtil; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.annotation.VisibleForTesting; import androidx.core.app.NotificationCompat; -import android.text.TextUtils; -import android.util.Log; -import android.util.Pair; -import android.webkit.URLUtil; - -import org.apache.commons.io.FileUtils; -import org.greenrobot.eventbus.EventBus; -import org.xml.sax.SAXException; - -import java.io.File; -import java.io.IOException; -import java.net.HttpURLConnection; -import java.util.ArrayList; -import java.util.Collections; -import java.util.Date; -import java.util.LinkedList; -import java.util.List; -import java.util.concurrent.BlockingQueue; -import java.util.concurrent.Callable; -import java.util.concurrent.CompletionService; -import java.util.concurrent.ExecutionException; -import java.util.concurrent.ExecutorCompletionService; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.concurrent.Future; -import java.util.concurrent.LinkedBlockingDeque; -import java.util.concurrent.ScheduledFuture; -import java.util.concurrent.ScheduledThreadPoolExecutor; -import java.util.concurrent.TimeUnit; -import java.util.concurrent.atomic.AtomicInteger; - -import javax.xml.parsers.ParserConfigurationException; - import de.danoeh.antennapod.core.ClientConfig; import de.danoeh.antennapod.core.R; import de.danoeh.antennapod.core.event.DownloadEvent; @@ -56,24 +25,36 @@ import de.danoeh.antennapod.core.event.FeedItemEvent; import de.danoeh.antennapod.core.feed.Feed; import de.danoeh.antennapod.core.feed.FeedItem; import de.danoeh.antennapod.core.feed.FeedMedia; -import de.danoeh.antennapod.core.feed.FeedPreferences; -import de.danoeh.antennapod.core.gpoddernet.model.GpodnetEpisodeAction; -import de.danoeh.antennapod.core.gpoddernet.model.GpodnetEpisodeAction.Action; import de.danoeh.antennapod.core.preferences.GpodnetPreferences; import de.danoeh.antennapod.core.preferences.UserPreferences; import de.danoeh.antennapod.core.service.GpodnetSyncService; +import de.danoeh.antennapod.core.service.download.handler.FailedDownloadHandler; +import de.danoeh.antennapod.core.service.download.handler.FeedSyncThread; +import de.danoeh.antennapod.core.service.download.handler.MediaDownloadedHandler; import de.danoeh.antennapod.core.storage.DBReader; import de.danoeh.antennapod.core.storage.DBTasks; import de.danoeh.antennapod.core.storage.DBWriter; -import de.danoeh.antennapod.core.storage.DownloadRequestException; import de.danoeh.antennapod.core.storage.DownloadRequester; -import de.danoeh.antennapod.core.syndication.handler.FeedHandler; -import de.danoeh.antennapod.core.syndication.handler.FeedHandlerResult; -import de.danoeh.antennapod.core.syndication.handler.UnsupportedFeedtypeException; -import de.danoeh.antennapod.core.util.ChapterUtils; import de.danoeh.antennapod.core.util.DownloadError; -import de.danoeh.antennapod.core.util.InvalidFeedException; import de.danoeh.antennapod.core.util.gui.NotificationUtils; +import org.apache.commons.io.FileUtils; +import org.greenrobot.eventbus.EventBus; + +import java.io.File; +import java.io.IOException; +import java.net.HttpURLConnection; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.concurrent.CompletionService; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.ExecutorCompletionService; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledFuture; +import java.util.concurrent.ScheduledThreadPoolExecutor; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicInteger; /** * Manages the download of feedfiles in the app. Downloads can be enqueued via the startService intent. @@ -171,9 +152,18 @@ public class DownloadService extends Service { final int type = status.getFeedfileType(); if (successful) { if (type == Feed.FEEDFILETYPE_FEED) { - handleCompletedFeedDownload(downloader.getDownloadRequest()); + Log.d(TAG, "Handling completed Feed Download"); + feedSyncThread.submitCompletedDownload(downloader.getDownloadRequest()); } else if (type == FeedMedia.FEEDFILETYPE_FEEDMEDIA) { - handleCompletedFeedMediaDownload(status, downloader.getDownloadRequest()); + Log.d(TAG, "Handling completed FeedMedia Download"); + syncExecutor.execute(() -> { + MediaDownloadedHandler handler = new MediaDownloadedHandler(DownloadService.this, + status, downloader.getDownloadRequest()); + handler.run(); + saveDownloadStatus(handler.getUpdatedStatus()); + numberOfDownloads.decrementAndGet(); + queryDownloadsAsync(); + }); } } else { numberOfDownloads.decrementAndGet(); @@ -189,7 +179,7 @@ public class DownloadService extends Service { } else { Log.e(TAG, "Download failed"); saveDownloadStatus(status); - handleFailedDownload(status, downloader.getDownloadRequest()); + syncExecutor.execute(new FailedDownloadHandler(downloader.getDownloadRequest())); if (type == FeedMedia.FEEDFILETYPE_FEEDMEDIA) { FeedItem item = getFeedItemFromId(status.getFeedfileId()); @@ -279,7 +269,23 @@ public class DownloadService extends Service { }, (r, executor) -> Log.w(TAG, "SchedEx rejected submission of new task") ); downloadCompletionThread.start(); - feedSyncThread = new FeedSyncThread(); + feedSyncThread = new FeedSyncThread(DownloadService.this, new FeedSyncThread.FeedSyncCallback() { + @Override + public void finishedSyncingFeeds(int numberOfCompletedFeeds) { + numberOfDownloads.addAndGet(-numberOfCompletedFeeds); + queryDownloadsAsync(); + } + + @Override + public void failedSyncingFeed() { + numberOfDownloads.decrementAndGet(); + } + + @Override + public void downloadStatusGenerated(DownloadStatus downloadStatus) { + saveDownloadStatus(downloadStatus); + } + }); feedSyncThread.start(); setupNotificationBuilders(); @@ -334,7 +340,7 @@ public class DownloadService extends Service { .setContentIntent(ClientConfig.downloadServiceCallbacks.getNotificationContentIntent(this)) .setSmallIcon(R.drawable.stat_notify_sync); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { - notificationCompatBuilder.setVisibility(Notification.VISIBILITY_PUBLIC); + notificationCompatBuilder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC); } Log.d(TAG, "Notification set up"); @@ -535,7 +541,7 @@ public class DownloadService extends Service { ) .setAutoCancel(true); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { - builder.setVisibility(Notification.VISIBILITY_PUBLIC); + builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC); } NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); nm.notify(REPORT_ID, builder.build()); @@ -583,34 +589,13 @@ public class DownloadService extends Service { .setAutoCancel(true) .setContentIntent(ClientConfig.downloadServiceCallbacks.getAuthentificationNotificationContentIntent(DownloadService.this, downloadRequest)); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { - builder.setVisibility(Notification.VISIBILITY_PUBLIC); + builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC); } NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); nm.notify(downloadRequest.getSource().hashCode(), builder.build()); }); } - /** - * Is called whenever a Feed is downloaded - */ - private void handleCompletedFeedDownload(DownloadRequest request) { - Log.d(TAG, "Handling completed Feed Download"); - feedSyncThread.submitCompletedDownload(request); - } - - /** - * Is called whenever a FeedMedia is downloaded. - */ - private void handleCompletedFeedMediaDownload(DownloadStatus status, DownloadRequest request) { - Log.d(TAG, "Handling completed FeedMedia Download"); - syncExecutor.execute(new MediaHandlerThread(status, request)); - } - - private void handleFailedDownload(DownloadStatus status, DownloadRequest request) { - Log.d(TAG, "Handling failed download"); - syncExecutor.execute(new FailedDownloadHandler(status, request)); - } - @Nullable private FeedItem getFeedItemFromId(long id) { FeedMedia media = DBReader.getFeedMedia(id); @@ -621,300 +606,6 @@ public class DownloadService extends Service { } } - /** - * Takes a single Feed, parses the corresponding file and refreshes - * information in the manager - */ - private class FeedSyncThread extends Thread { - private static final String TAG = "FeedSyncThread"; - - private final BlockingQueue completedRequests = new LinkedBlockingDeque<>(); - private final CompletionService> parserService = new ExecutorCompletionService<>(Executors.newSingleThreadExecutor()); - private final ExecutorService dbService = Executors.newSingleThreadExecutor(); - private Future dbUpdateFuture; - private volatile boolean isActive = true; - private volatile boolean isCollectingRequests = false; - - private static final long WAIT_TIMEOUT = 3000; - - FeedSyncThread() { - super("FeedSyncThread"); - } - - /** - * Waits for completed requests. Once the first request has been taken, the method will wait WAIT_TIMEOUT ms longer to - * collect more completed requests. - * - * @return Collected feeds or null if the method has been interrupted during the first waiting period. - */ - private List> collectCompletedRequests() { - List> results = new LinkedList<>(); - DownloadRequester requester = DownloadRequester.getInstance(); - int tasks = 0; - - try { - DownloadRequest request = completedRequests.take(); - parserService.submit(new FeedParserTask(request)); - tasks++; - } catch (InterruptedException e) { - Log.e(TAG, "FeedSyncThread was interrupted"); - return null; - } - - tasks += pollCompletedDownloads(); - - isCollectingRequests = true; - - if (requester.isDownloadingFeeds()) { - // wait for completion of more downloads - long startTime = System.currentTimeMillis(); - long currentTime = startTime; - while (requester.isDownloadingFeeds() && (currentTime - startTime) < WAIT_TIMEOUT) { - try { - Log.d(TAG, "Waiting for " + (startTime + WAIT_TIMEOUT - currentTime) + " ms"); - sleep(startTime + WAIT_TIMEOUT - currentTime); - } catch (InterruptedException e) { - Log.d(TAG, "interrupted while waiting for more downloads"); - tasks += pollCompletedDownloads(); - } finally { - currentTime = System.currentTimeMillis(); - } - } - - tasks += pollCompletedDownloads(); - - } - - isCollectingRequests = false; - - for (int i = 0; i < tasks; i++) { - try { - Pair result = parserService.take().get(); - if (result != null) { - results.add(result); - } - } catch (InterruptedException e) { - Log.e(TAG, "FeedSyncThread was interrupted"); - } catch (ExecutionException e) { - Log.e(TAG, "ExecutionException in FeedSyncThread: " + e.getMessage()); - e.printStackTrace(); - } - } - - return results; - } - - private int pollCompletedDownloads() { - int tasks = 0; - while (!completedRequests.isEmpty()) { - parserService.submit(new FeedParserTask(completedRequests.poll())); - tasks++; - } - return tasks; - } - - @Override - public void run() { - while (isActive) { - final List> results = collectCompletedRequests(); - - if (results == null) { - continue; - } - - Log.d(TAG, "Bundling " + results.size() + " feeds"); - - // Save information of feed in DB - if (dbUpdateFuture != null) { - try { - dbUpdateFuture.get(); - } catch (InterruptedException e) { - Log.e(TAG, "FeedSyncThread was interrupted"); - } catch (ExecutionException e) { - Log.e(TAG, "ExecutionException in FeedSyncThread: " + e.getMessage()); - e.printStackTrace(); - } - } - - dbUpdateFuture = dbService.submit(() -> { - Feed[] savedFeeds = DBTasks.updateFeed(DownloadService.this, getFeeds(results)); - - for (int i = 0; i < savedFeeds.length; i++) { - Feed savedFeed = savedFeeds[i]; - - // If loadAllPages=true, check if another page is available and queue it for download - final boolean loadAllPages = results.get(i).first.getArguments().getBoolean(DownloadRequester.REQUEST_ARG_LOAD_ALL_PAGES); - final Feed feed = results.get(i).second.feed; - if (loadAllPages && feed.getNextPageLink() != null) { - try { - feed.setId(savedFeed.getId()); - DBTasks.loadNextPageOfFeed(DownloadService.this, savedFeed, true); - } catch (DownloadRequestException e) { - Log.e(TAG, "Error trying to load next page", e); - } - } - - ClientConfig.downloadServiceCallbacks.onFeedParsed(DownloadService.this, - savedFeed); - - numberOfDownloads.decrementAndGet(); - } - - queryDownloadsAsync(); - }); - - } - - if (dbUpdateFuture != null) { - try { - dbUpdateFuture.get(); - } catch (InterruptedException e) { - Log.e(TAG, "interrupted while updating the db"); - } catch (ExecutionException e) { - Log.e(TAG, "ExecutionException while updating the db: " + e.getMessage()); - } - } - - Log.d(TAG, "Shutting down"); - } - - /** - * Helper method - */ - private Feed[] getFeeds(List> results) { - Feed[] feeds = new Feed[results.size()]; - for (int i = 0; i < results.size(); i++) { - feeds[i] = results.get(i).second.feed; - } - return feeds; - } - - private class FeedParserTask implements Callable> { - - private final DownloadRequest request; - - private FeedParserTask(DownloadRequest request) { - this.request = request; - } - - @Override - public Pair call() throws Exception { - return parseFeed(request); - } - } - - private Pair parseFeed(DownloadRequest request) { - Feed feed = new Feed(request.getSource(), request.getLastModified()); - feed.setFile_url(request.getDestination()); - feed.setId(request.getFeedfileId()); - feed.setDownloaded(true); - feed.setPreferences(new FeedPreferences(0, true, FeedPreferences.AutoDeleteAction.GLOBAL, - request.getUsername(), request.getPassword())); - feed.setPageNr(request.getArguments().getInt(DownloadRequester.REQUEST_ARG_PAGE_NR, 0)); - - DownloadError reason = null; - String reasonDetailed = null; - boolean successful = true; - FeedHandler feedHandler = new FeedHandler(); - - FeedHandlerResult result = null; - try { - result = feedHandler.parseFeed(feed); - Log.d(TAG, feed.getTitle() + " parsed"); - if (!checkFeedData(feed)) { - throw new InvalidFeedException(); - } - - } catch (SAXException | IOException | ParserConfigurationException e) { - successful = false; - e.printStackTrace(); - reason = DownloadError.ERROR_PARSER_EXCEPTION; - reasonDetailed = e.getMessage(); - } catch (UnsupportedFeedtypeException e) { - e.printStackTrace(); - successful = false; - reason = DownloadError.ERROR_UNSUPPORTED_TYPE; - reasonDetailed = e.getMessage(); - } catch (InvalidFeedException e) { - e.printStackTrace(); - successful = false; - reason = DownloadError.ERROR_PARSER_EXCEPTION; - reasonDetailed = e.getMessage(); - } finally { - File feedFile = new File(request.getDestination()); - if (feedFile.exists()) { - boolean deleted = feedFile.delete(); - Log.d(TAG, "Deletion of file '" + feedFile.getAbsolutePath() + "' " + (deleted ? "successful" : "FAILED")); - } - } - - if (successful) { - // we create a 'successful' download log if the feed's last refresh failed - List log = DBReader.getFeedDownloadLog(feed); - if (log.size() > 0 && !log.get(0).isSuccessful()) { - saveDownloadStatus( - new DownloadStatus(feed, feed.getHumanReadableIdentifier(), - DownloadError.SUCCESS, successful, reasonDetailed)); - } - return Pair.create(request, result); - } else { - numberOfDownloads.decrementAndGet(); - saveDownloadStatus( - new DownloadStatus(feed, feed.getHumanReadableIdentifier(), reason, - successful, reasonDetailed)); - return null; - } - } - - - /** - * Checks if the feed was parsed correctly. - */ - private boolean checkFeedData(Feed feed) { - if (feed.getTitle() == null) { - Log.e(TAG, "Feed has no title."); - return false; - } - if (!hasValidFeedItems(feed)) { - Log.e(TAG, "Feed has invalid items"); - return false; - } - return true; - } - - private boolean hasValidFeedItems(Feed feed) { - for (FeedItem item : feed.getItems()) { - if (item.getTitle() == null) { - Log.e(TAG, "Item has no title"); - return false; - } - if (item.getPubDate() == null) { - Log.e(TAG, "Item has no pubDate. Using current time as pubDate"); - if (item.getTitle() != null) { - Log.e(TAG, "Title of invalid item: " + item.getTitle()); - } - item.setPubDate(new Date()); - } - } - return true; - } - - public void shutdown() { - isActive = false; - if (isCollectingRequests) { - interrupt(); - } - } - - void submitCompletedDownload(DownloadRequest request) { - completedRequests.offer(request); - if (isCollectingRequests) { - interrupt(); - } - } - - } - /** * Creates the destination file and writes FeedMedia File_url directly after starting download * to make it possible to resume download after the service was killed by the system. @@ -951,120 +642,6 @@ public class DownloadService extends Service { } } - /** - * Handles failed downloads. - *

- * If the file has been partially downloaded, this handler will set the file_url of the FeedFile to the location - * of the downloaded file. - *

- * Currently, this handler only handles FeedMedia objects, because Feeds and FeedImages are deleted if the download fails. - */ - private static class FailedDownloadHandler implements Runnable { - - private final DownloadRequest request; - private final DownloadStatus status; - - FailedDownloadHandler(DownloadStatus status, DownloadRequest request) { - this.request = request; - this.status = status; - } - - @Override - public void run() { - if (request.getFeedfileType() == Feed.FEEDFILETYPE_FEED) { - DBWriter.setFeedLastUpdateFailed(request.getFeedfileId(), true); - } else if (request.isDeleteOnFailure()) { - Log.d(TAG, "Ignoring failed download, deleteOnFailure=true"); - } - } - } - - /** - * Handles a completed media download. - */ - private class MediaHandlerThread implements Runnable { - - private final DownloadRequest request; - private DownloadStatus status; - - MediaHandlerThread(@NonNull DownloadStatus status, - @NonNull DownloadRequest request) { - this.status = status; - this.request = request; - } - - @Override - public void run() { - FeedMedia media = DBReader.getFeedMedia(request.getFeedfileId()); - if (media == null) { - Log.e(TAG, "Could not find downloaded media object in database"); - return; - } - media.setDownloaded(true); - media.setFile_url(request.getDestination()); - media.checkEmbeddedPicture(); // enforce check - - // check if file has chapters - if(media.getItem() != null && !media.getItem().hasChapters()) { - ChapterUtils.loadChaptersFromFileUrl(media); - } - - // Get duration - MediaMetadataRetriever mmr = new MediaMetadataRetriever(); - String durationStr = null; - try { - mmr.setDataSource(media.getFile_url()); - durationStr = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION); - media.setDuration(Integer.parseInt(durationStr)); - Log.d(TAG, "Duration of file is " + media.getDuration()); - } catch (NumberFormatException e) { - Log.d(TAG, "Invalid file duration: " + durationStr); - } catch (Exception e) { - Log.e(TAG, "Get duration failed", e); - } finally { - mmr.release(); - } - - final FeedItem item = media.getItem(); - - try { - DBWriter.setFeedMedia(media).get(); - - // we've received the media, we don't want to autodownload it again - if (item != null) { - item.setAutoDownload(false); - // setFeedItem() signals (via EventBus) that the item has been updated, - // so we do it after the enclosing media has been updated above, - // to ensure subscribers will get the updated FeedMedia as well - DBWriter.setFeedItem(item).get(); - } - - if (item != null && UserPreferences.enqueueDownloadedEpisodes() && - !DBTasks.isInQueue(DownloadService.this, item.getId())) { - DBWriter.addQueueItem(DownloadService.this, item).get(); - } - } catch (InterruptedException e) { - Log.e(TAG, "MediaHandlerThread was interrupted"); - } catch (ExecutionException e) { - Log.e(TAG, "ExecutionException in MediaHandlerThread: " + e.getMessage()); - status = new DownloadStatus(media, media.getEpisodeTitle(), DownloadError.ERROR_DB_ACCESS_ERROR, false, e.getMessage()); - } - - saveDownloadStatus(status); - - if (GpodnetPreferences.loggedIn() && item != null) { - GpodnetEpisodeAction action = new GpodnetEpisodeAction.Builder(item, Action.DOWNLOAD) - .currentDeviceId() - .currentTimestamp() - .build(); - GpodnetPreferences.enqueueEpisodeAction(action); - } - - numberOfDownloads.decrementAndGet(); - queryDownloadsAsync(); - } - } - /** * Schedules the notification updater task if it hasn't been scheduled yet. */ diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FailedDownloadHandler.java b/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FailedDownloadHandler.java new file mode 100644 index 000000000..041d26bd4 --- /dev/null +++ b/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FailedDownloadHandler.java @@ -0,0 +1,33 @@ +package de.danoeh.antennapod.core.service.download.handler; + +import android.util.Log; +import de.danoeh.antennapod.core.feed.Feed; +import de.danoeh.antennapod.core.service.download.DownloadRequest; +import de.danoeh.antennapod.core.service.download.DownloadStatus; +import de.danoeh.antennapod.core.storage.DBWriter; + +/** + * Handles failed downloads. + *

+ * If the file has been partially downloaded, this handler will set the file_url of the FeedFile to the location + * of the downloaded file. + *

+ * Currently, this handler only handles FeedMedia objects, because Feeds and FeedImages are deleted if the download fails. + */ +public class FailedDownloadHandler implements Runnable { + private static final String TAG = "FailedDownloadHandler"; + private final DownloadRequest request; + + public FailedDownloadHandler(DownloadRequest request) { + this.request = request; + } + + @Override + public void run() { + if (request.getFeedfileType() == Feed.FEEDFILETYPE_FEED) { + DBWriter.setFeedLastUpdateFailed(request.getFeedfileId(), true); + } else if (request.isDeleteOnFailure()) { + Log.d(TAG, "Ignoring failed download, deleteOnFailure=true"); + } + } +} diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FeedParserTask.java b/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FeedParserTask.java new file mode 100644 index 000000000..96119ad47 --- /dev/null +++ b/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FeedParserTask.java @@ -0,0 +1,129 @@ +package de.danoeh.antennapod.core.service.download.handler; + +import android.util.Log; +import de.danoeh.antennapod.core.feed.Feed; +import de.danoeh.antennapod.core.feed.FeedItem; +import de.danoeh.antennapod.core.feed.FeedPreferences; +import de.danoeh.antennapod.core.service.download.DownloadRequest; +import de.danoeh.antennapod.core.service.download.DownloadStatus; +import de.danoeh.antennapod.core.storage.DownloadRequester; +import de.danoeh.antennapod.core.syndication.handler.FeedHandler; +import de.danoeh.antennapod.core.syndication.handler.FeedHandlerResult; +import de.danoeh.antennapod.core.syndication.handler.UnsupportedFeedtypeException; +import de.danoeh.antennapod.core.util.DownloadError; +import de.danoeh.antennapod.core.util.InvalidFeedException; +import org.xml.sax.SAXException; + +import javax.xml.parsers.ParserConfigurationException; +import java.io.File; +import java.io.IOException; +import java.util.Date; +import java.util.concurrent.Callable; + +public class FeedParserTask implements Callable { + private static final String TAG = "FeedParserTask"; + private final DownloadRequest request; + private DownloadStatus downloadStatus; + private boolean successful = true; + + public FeedParserTask(DownloadRequest request) { + this.request = request; + } + + @Override + public FeedHandlerResult call() throws Exception { + Feed feed = new Feed(request.getSource(), request.getLastModified()); + feed.setFile_url(request.getDestination()); + feed.setId(request.getFeedfileId()); + feed.setDownloaded(true); + feed.setPreferences(new FeedPreferences(0, true, FeedPreferences.AutoDeleteAction.GLOBAL, + request.getUsername(), request.getPassword())); + feed.setPageNr(request.getArguments().getInt(DownloadRequester.REQUEST_ARG_PAGE_NR, 0)); + + DownloadError reason = null; + String reasonDetailed = null; + FeedHandler feedHandler = new FeedHandler(); + + FeedHandlerResult result = null; + try { + result = feedHandler.parseFeed(feed); + Log.d(TAG, feed.getTitle() + " parsed"); + if (!checkFeedData(feed)) { + throw new InvalidFeedException(); + } + + } catch (SAXException | IOException | ParserConfigurationException e) { + successful = false; + e.printStackTrace(); + reason = DownloadError.ERROR_PARSER_EXCEPTION; + reasonDetailed = e.getMessage(); + } catch (UnsupportedFeedtypeException e) { + e.printStackTrace(); + successful = false; + reason = DownloadError.ERROR_UNSUPPORTED_TYPE; + reasonDetailed = e.getMessage(); + } catch (InvalidFeedException e) { + e.printStackTrace(); + successful = false; + reason = DownloadError.ERROR_PARSER_EXCEPTION; + reasonDetailed = e.getMessage(); + } finally { + File feedFile = new File(request.getDestination()); + if (feedFile.exists()) { + boolean deleted = feedFile.delete(); + Log.d(TAG, "Deletion of file '" + feedFile.getAbsolutePath() + "' " + + (deleted ? "successful" : "FAILED")); + } + } + + if (successful) { + downloadStatus = new DownloadStatus(feed, feed.getHumanReadableIdentifier(), + DownloadError.SUCCESS, successful, reasonDetailed); + return result; + } else { + downloadStatus = new DownloadStatus(feed, feed.getHumanReadableIdentifier(), + reason, successful, reasonDetailed); + return null; + } + } + + public boolean isSuccessful() { + return successful; + } + + /** + * Checks if the feed was parsed correctly. + */ + private boolean checkFeedData(Feed feed) { + if (feed.getTitle() == null) { + Log.e(TAG, "Feed has no title."); + return false; + } + if (!hasValidFeedItems(feed)) { + Log.e(TAG, "Feed has invalid items"); + return false; + } + return true; + } + + private boolean hasValidFeedItems(Feed feed) { + for (FeedItem item : feed.getItems()) { + if (item.getTitle() == null) { + Log.e(TAG, "Item has no title"); + return false; + } + if (item.getPubDate() == null) { + Log.e(TAG, "Item has no pubDate. Using current time as pubDate"); + if (item.getTitle() != null) { + Log.e(TAG, "Title of invalid item: " + item.getTitle()); + } + item.setPubDate(new Date()); + } + } + return true; + } + + public DownloadStatus getDownloadStatus() { + return downloadStatus; + } +} diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FeedSyncThread.java b/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FeedSyncThread.java new file mode 100644 index 000000000..21cab4ef6 --- /dev/null +++ b/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FeedSyncThread.java @@ -0,0 +1,234 @@ +package de.danoeh.antennapod.core.service.download.handler; + +import android.content.Context; +import android.util.Log; +import android.util.Pair; +import de.danoeh.antennapod.core.ClientConfig; +import de.danoeh.antennapod.core.feed.Feed; +import de.danoeh.antennapod.core.service.download.DownloadRequest; +import de.danoeh.antennapod.core.service.download.DownloadStatus; +import de.danoeh.antennapod.core.storage.DBReader; +import de.danoeh.antennapod.core.storage.DBTasks; +import de.danoeh.antennapod.core.storage.DownloadRequestException; +import de.danoeh.antennapod.core.storage.DownloadRequester; +import de.danoeh.antennapod.core.syndication.handler.FeedHandlerResult; + +import java.util.LinkedList; +import java.util.List; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.CompletionService; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.ExecutorCompletionService; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; +import java.util.concurrent.LinkedBlockingDeque; + +/** + * Takes a single Feed, parses the corresponding file and refreshes + * information in the manager. + */ +public class FeedSyncThread extends Thread { + private static final String TAG = "FeedSyncThread"; + private static final long WAIT_TIMEOUT = 3000; + + private final BlockingQueue completedRequests = new LinkedBlockingDeque<>(); + private final CompletionService> parserService = + new ExecutorCompletionService<>(Executors.newSingleThreadExecutor()); + private final ExecutorService dbService = Executors.newSingleThreadExecutor(); + private final Context context; + private Future dbUpdateFuture; + private final FeedSyncCallback feedSyncCallback; + private volatile boolean isActive = true; + private volatile boolean isCollectingRequests = false; + + public FeedSyncThread(Context context, FeedSyncCallback feedSyncCallback) { + super("FeedSyncThread"); + this.context = context; + this.feedSyncCallback = feedSyncCallback; + } + + /** + * Waits for completed requests. Once the first request has been taken, the method will wait WAIT_TIMEOUT ms longer to + * collect more completed requests. + * + * @return Collected feeds or null if the method has been interrupted during the first waiting period. + */ + private List> collectCompletedRequests() { + List> results = new LinkedList<>(); + DownloadRequester requester = DownloadRequester.getInstance(); + int tasks = 0; + + try { + DownloadRequest request = completedRequests.take(); + submitParseRequest(request); + tasks++; + } catch (InterruptedException e) { + Log.e(TAG, "FeedSyncThread was interrupted"); + return null; + } + + tasks += pollCompletedDownloads(); + + isCollectingRequests = true; + + if (requester.isDownloadingFeeds()) { + // wait for completion of more downloads + long startTime = System.currentTimeMillis(); + long currentTime = startTime; + while (requester.isDownloadingFeeds() && (currentTime - startTime) < WAIT_TIMEOUT) { + try { + Log.d(TAG, "Waiting for " + (startTime + WAIT_TIMEOUT - currentTime) + " ms"); + sleep(startTime + WAIT_TIMEOUT - currentTime); + } catch (InterruptedException e) { + Log.d(TAG, "interrupted while waiting for more downloads"); + tasks += pollCompletedDownloads(); + } finally { + currentTime = System.currentTimeMillis(); + } + } + + tasks += pollCompletedDownloads(); + + } + + isCollectingRequests = false; + + for (int i = 0; i < tasks; i++) { + try { + Pair result = parserService.take().get(); + if (result != null) { + results.add(result); + } + } catch (InterruptedException e) { + Log.e(TAG, "FeedSyncThread was interrupted"); + } catch (ExecutionException e) { + Log.e(TAG, "ExecutionException in FeedSyncThread: " + e.getMessage()); + e.printStackTrace(); + } + } + + return results; + } + + private void submitParseRequest(DownloadRequest request) { + parserService.submit(() -> { + FeedParserTask task = new FeedParserTask(request); + FeedHandlerResult result = task.call(); + + if (task.isSuccessful()) { + // we create a 'successful' download log if the feed's last refresh failed + List log = DBReader.getFeedDownloadLog(request.getFeedfileId()); + if (log.size() > 0 && !log.get(0).isSuccessful()) { + feedSyncCallback.downloadStatusGenerated(task.getDownloadStatus()); + } + return Pair.create(request, result); + } else { + feedSyncCallback.failedSyncingFeed(); + feedSyncCallback.downloadStatusGenerated(task.getDownloadStatus()); + return null; + } + }); + } + + private int pollCompletedDownloads() { + int tasks = 0; + while (!completedRequests.isEmpty()) { + DownloadRequest request = completedRequests.poll(); + submitParseRequest(request); + tasks++; + } + return tasks; + } + + @Override + public void run() { + while (isActive) { + final List> results = collectCompletedRequests(); + + if (results == null) { + continue; + } + + Log.d(TAG, "Bundling " + results.size() + " feeds"); + + // Save information of feed in DB + if (dbUpdateFuture != null) { + try { + dbUpdateFuture.get(); + } catch (InterruptedException e) { + Log.e(TAG, "FeedSyncThread was interrupted"); + } catch (ExecutionException e) { + Log.e(TAG, "ExecutionException in FeedSyncThread: " + e.getMessage()); + e.printStackTrace(); + } + } + + dbUpdateFuture = dbService.submit(() -> { + Feed[] savedFeeds = DBTasks.updateFeed(context, getFeeds(results)); + + for (int i = 0; i < savedFeeds.length; i++) { + Feed savedFeed = savedFeeds[i]; + + // If loadAllPages=true, check if another page is available and queue it for download + final boolean loadAllPages = results.get(i).first.getArguments() + .getBoolean(DownloadRequester.REQUEST_ARG_LOAD_ALL_PAGES); + final Feed feed = results.get(i).second.feed; + if (loadAllPages && feed.getNextPageLink() != null) { + try { + feed.setId(savedFeed.getId()); + DBTasks.loadNextPageOfFeed(context, savedFeed, true); + } catch (DownloadRequestException e) { + Log.e(TAG, "Error trying to load next page", e); + } + } + + ClientConfig.downloadServiceCallbacks.onFeedParsed(context, savedFeed); + } + feedSyncCallback.finishedSyncingFeeds(savedFeeds.length); + }); + + } + + if (dbUpdateFuture != null) { + try { + dbUpdateFuture.get(); + } catch (InterruptedException e) { + Log.e(TAG, "interrupted while updating the db"); + } catch (ExecutionException e) { + Log.e(TAG, "ExecutionException while updating the db: " + e.getMessage()); + } + } + + Log.d(TAG, "Shutting down"); + } + + private Feed[] getFeeds(List> results) { + Feed[] feeds = new Feed[results.size()]; + for (int i = 0; i < results.size(); i++) { + feeds[i] = results.get(i).second.feed; + } + return feeds; + } + + public void shutdown() { + isActive = false; + if (isCollectingRequests) { + interrupt(); + } + } + + public void submitCompletedDownload(DownloadRequest request) { + completedRequests.offer(request); + if (isCollectingRequests) { + interrupt(); + } + } + + public interface FeedSyncCallback { + void finishedSyncingFeeds(int numberOfCompletedFeeds); + void failedSyncingFeed(); + void downloadStatusGenerated(DownloadStatus downloadStatus); + } + +} \ No newline at end of file diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/MediaDownloadedHandler.java b/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/MediaDownloadedHandler.java new file mode 100644 index 000000000..cf5a84eea --- /dev/null +++ b/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/MediaDownloadedHandler.java @@ -0,0 +1,111 @@ +package de.danoeh.antennapod.core.service.download.handler; + +import android.content.Context; +import android.media.MediaMetadataRetriever; +import android.util.Log; +import androidx.annotation.NonNull; +import de.danoeh.antennapod.core.feed.FeedItem; +import de.danoeh.antennapod.core.feed.FeedMedia; +import de.danoeh.antennapod.core.gpoddernet.model.GpodnetEpisodeAction; +import de.danoeh.antennapod.core.preferences.GpodnetPreferences; +import de.danoeh.antennapod.core.preferences.UserPreferences; +import de.danoeh.antennapod.core.service.download.DownloadRequest; +import de.danoeh.antennapod.core.service.download.DownloadStatus; +import de.danoeh.antennapod.core.storage.DBReader; +import de.danoeh.antennapod.core.storage.DBTasks; +import de.danoeh.antennapod.core.storage.DBWriter; +import de.danoeh.antennapod.core.util.ChapterUtils; +import de.danoeh.antennapod.core.util.DownloadError; + +import java.util.concurrent.ExecutionException; + +/** + * Handles a completed media download. + */ +public class MediaDownloadedHandler implements Runnable { + private static final String TAG = "MediaDownloadedHandler"; + private final DownloadRequest request; + private final DownloadStatus status; + private final Context context; + private DownloadStatus updatedStatus; + + public MediaDownloadedHandler(@NonNull Context context, @NonNull DownloadStatus status, + @NonNull DownloadRequest request) { + this.status = status; + this.request = request; + this.context = context; + } + + @Override + public void run() { + updatedStatus = status; + FeedMedia media = DBReader.getFeedMedia(request.getFeedfileId()); + if (media == null) { + Log.e(TAG, "Could not find downloaded media object in database"); + return; + } + media.setDownloaded(true); + media.setFile_url(request.getDestination()); + media.checkEmbeddedPicture(); // enforce check + + // check if file has chapters + if (media.getItem() != null && !media.getItem().hasChapters()) { + ChapterUtils.loadChaptersFromFileUrl(media); + } + + // Get duration + MediaMetadataRetriever mmr = new MediaMetadataRetriever(); + String durationStr = null; + try { + mmr.setDataSource(media.getFile_url()); + durationStr = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION); + media.setDuration(Integer.parseInt(durationStr)); + Log.d(TAG, "Duration of file is " + media.getDuration()); + } catch (NumberFormatException e) { + Log.d(TAG, "Invalid file duration: " + durationStr); + } catch (Exception e) { + Log.e(TAG, "Get duration failed", e); + } finally { + mmr.release(); + } + + final FeedItem item = media.getItem(); + + try { + DBWriter.setFeedMedia(media).get(); + + // we've received the media, we don't want to autodownload it again + if (item != null) { + item.setAutoDownload(false); + // setFeedItem() signals (via EventBus) that the item has been updated, + // so we do it after the enclosing media has been updated above, + // to ensure subscribers will get the updated FeedMedia as well + DBWriter.setFeedItem(item).get(); + } + + if (item != null && UserPreferences.enqueueDownloadedEpisodes() + && !DBTasks.isInQueue(context, item.getId())) { + DBWriter.addQueueItem(context, item).get(); + } + } catch (InterruptedException e) { + Log.e(TAG, "MediaHandlerThread was interrupted"); + } catch (ExecutionException e) { + Log.e(TAG, "ExecutionException in MediaHandlerThread: " + e.getMessage()); + updatedStatus = new DownloadStatus(media, media.getEpisodeTitle(), + DownloadError.ERROR_DB_ACCESS_ERROR, false, e.getMessage()); + } + + + if (GpodnetPreferences.loggedIn() && item != null) { + GpodnetEpisodeAction action = new GpodnetEpisodeAction.Builder(item, GpodnetEpisodeAction.Action.DOWNLOAD) + .currentDeviceId() + .currentTimestamp() + .build(); + GpodnetPreferences.enqueueEpisodeAction(action); + } + } + + public DownloadStatus getUpdatedStatus() { + return updatedStatus; + } +} diff --git a/core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java b/core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java index d5245cc10..8b87d7c54 100644 --- a/core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java +++ b/core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java @@ -515,13 +515,24 @@ public final class DBReader { * newest events first. */ public static List getFeedDownloadLog(Feed feed) { - Log.d(TAG, "getFeedDownloadLog() called with: " + "feed = [" + feed + "]"); + return getFeedDownloadLog(feed.getId()); + } + + /** + * Loads the download log for a particular feed from the database. + * + * @param feedId Feed id for which the download log is loaded + * @return A list with DownloadStatus objects that represent the feed's download log, + * newest events first. + */ + public static List getFeedDownloadLog(long feedId) { + Log.d(TAG, "getFeedDownloadLog() called with: " + "feed = [" + feedId + "]"); PodDBAdapter adapter = PodDBAdapter.getInstance(); adapter.open(); Cursor cursor = null; try { - cursor = adapter.getDownloadLog(Feed.FEEDFILETYPE_FEED, feed.getId()); + cursor = adapter.getDownloadLog(Feed.FEEDFILETYPE_FEED, feedId); List downloadLog = new ArrayList<>(cursor.getCount()); while (cursor.moveToNext()) { downloadLog.add(DownloadStatus.fromCursor(cursor));