X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fcore%2FFreenetInterface.java;h=6d857c6016175d6b8a49a95b0f737a32044c9ce0;hb=19632b7bb999f888668bdb6d8bdfe0572002b8e4;hp=3348e88cf90e38e74ffa5326902b1d95200352c9;hpb=c9e306ac8e3ada846e87a0cc256a20fc148f381c;p=Sone.git diff --git a/src/main/java/net/pterodactylus/sone/core/FreenetInterface.java b/src/main/java/net/pterodactylus/sone/core/FreenetInterface.java index 3348e88..6d857c6 100644 --- a/src/main/java/net/pterodactylus/sone/core/FreenetInterface.java +++ b/src/main/java/net/pterodactylus/sone/core/FreenetInterface.java @@ -1,5 +1,5 @@ /* - * Sone - FreenetInterface.java - Copyright © 2010 David Roden + * Sone - FreenetInterface.java - Copyright © 2010–2013 David Roden * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,22 +18,22 @@ package net.pterodactylus.sone.core; import java.net.MalformedURLException; -import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; -import java.util.List; import java.util.Map; +import java.util.concurrent.TimeUnit; import java.util.logging.Level; import java.util.logging.Logger; +import net.pterodactylus.sone.core.event.ImageInsertAbortedEvent; +import net.pterodactylus.sone.core.event.ImageInsertFailedEvent; +import net.pterodactylus.sone.core.event.ImageInsertFinishedEvent; +import net.pterodactylus.sone.core.event.ImageInsertStartedEvent; import net.pterodactylus.sone.data.Image; import net.pterodactylus.sone.data.Sone; import net.pterodactylus.sone.data.TemporaryImage; -import net.pterodactylus.util.collection.Pair; import net.pterodactylus.util.logging.Logging; -import com.db4o.ObjectContainer; - import freenet.client.ClientMetadata; import freenet.client.FetchException; import freenet.client.FetchResult; @@ -47,13 +47,20 @@ import freenet.client.async.ClientContext; import freenet.client.async.ClientPutCallback; import freenet.client.async.ClientPutter; import freenet.client.async.USKCallback; +import freenet.client.async.USKManager; import freenet.keys.FreenetURI; import freenet.keys.InsertableClientSSK; import freenet.keys.USK; import freenet.node.Node; +import freenet.node.RequestClient; import freenet.node.RequestStarter; import freenet.support.api.Bucket; import freenet.support.io.ArrayBucket; +import com.db4o.ObjectContainer; + +import com.google.common.annotations.VisibleForTesting; +import com.google.common.eventbus.EventBus; +import com.google.inject.Inject; /** * Contains all necessary functionality for interacting with the Freenet node. @@ -65,27 +72,47 @@ public class FreenetInterface { /** The logger. */ private static final Logger logger = Logging.getLogger(FreenetInterface.class); + /** The event bus. */ + private final EventBus eventBus; + /** The node to interact with. */ private final Node node; /** The high-level client to use for requests. */ private final HighLevelSimpleClient client; + private final RequestClient requestClient; /** The USK callbacks. */ private final Map soneUskCallbacks = new HashMap(); /** The not-Sone-related USK callbacks. */ private final Map uriUskCallbacks = Collections.synchronizedMap(new HashMap()); + private USKManager uskManager; /** * Creates a new Freenet interface. * + * @param eventBus + * The event bus * @param node * The node to interact with */ - public FreenetInterface(Node node) { + @Inject + public FreenetInterface(EventBus eventBus, Node node) { + this.eventBus = eventBus; this.node = node; this.client = node.clientCore.makeClient(RequestStarter.INTERACTIVE_PRIORITY_CLASS, false, true); + this.requestClient = (HighLevelSimpleClientImpl) client; + this.uskManager = node.clientCore.uskManager; + } + + @VisibleForTesting + public FreenetInterface(EventBus eventBus, Node node, HighLevelSimpleClient highLevelSimpleClient, RequestClient requestClient, USKManager uskManager) { + this.eventBus = eventBus; + this.node = node; + this.client = highLevelSimpleClient; + this.requestClient = requestClient; + this.uskManager = uskManager; } // @@ -99,13 +126,13 @@ public class FreenetInterface { * The URI to fetch * @return The result of the fetch, or {@code null} if an error occured */ - public Pair fetchUri(FreenetURI uri) { + public Fetched fetchUri(FreenetURI uri) { FetchResult fetchResult = null; FreenetURI currentUri = new FreenetURI(uri); while (true) { try { fetchResult = client.fetch(currentUri); - return new Pair(currentUri, fetchResult); + return new Fetched(currentUri, fetchResult); } catch (FetchException fe1) { if (fe1.getMode() == FetchException.PERMANENT_REDIRECT) { currentUri = fe1.newURI; @@ -219,7 +246,8 @@ public class FreenetInterface { } }; soneUskCallbacks.put(sone.getId(), uskCallback); - node.clientCore.uskManager.subscribe(USK.create(sone.getRequestUri()), uskCallback, (System.currentTimeMillis() - sone.getTime()) < 7 * 24 * 60 * 60 * 1000, (HighLevelSimpleClientImpl) client); + boolean runBackgroundFetch = (System.currentTimeMillis() - sone.getTime()) < TimeUnit.DAYS.toMillis(7); + uskManager.subscribe(USK.create(sone.getRequestUri()), uskCallback, runBackgroundFetch, requestClient); } catch (MalformedURLException mue1) { logger.log(Level.WARNING, String.format("Could not subscribe USK “%s”!", sone.getRequestUri()), mue1); } @@ -238,7 +266,7 @@ public class FreenetInterface { } try { logger.log(Level.FINEST, String.format("Unsubscribing from USK for %s…", sone)); - node.clientCore.uskManager.unsubscribe(USK.create(sone.getRequestUri()), uskCallback); + uskManager.unsubscribe(USK.create(sone.getRequestUri()), uskCallback); } catch (MalformedURLException mue1) { logger.log(Level.FINE, String.format("Could not unsubscribe USK “%s”!", sone.getRequestUri()), mue1); } @@ -273,7 +301,7 @@ public class FreenetInterface { }; try { - node.clientCore.uskManager.subscribe(USK.create(uri), uskCallback, true, (HighLevelSimpleClientImpl) client); + uskManager.subscribe(USK.create(uri), uskCallback, true, requestClient); uriUskCallbacks.put(uri, uskCallback); } catch (MalformedURLException mue1) { logger.log(Level.WARNING, String.format("Could not subscribe to USK: %s", uri), mue1); @@ -293,13 +321,63 @@ public class FreenetInterface { return; } try { - node.clientCore.uskManager.unsubscribe(USK.create(uri), uskCallback); + uskManager.unsubscribe(USK.create(uri), uskCallback); } catch (MalformedURLException mue1) { logger.log(Level.INFO, String.format("Could not unregister invalid USK: %s", uri), mue1); } } /** + * Container for a fetched URI and the {@link FetchResult}. + * + * @author David Roden + */ + public static class Fetched { + + /** The fetched URI. */ + private final FreenetURI freenetUri; + + /** The fetch result. */ + private final FetchResult fetchResult; + + /** + * Creates a new fetched URI. + * + * @param freenetUri + * The URI that was fetched + * @param fetchResult + * The fetch result + */ + public Fetched(FreenetURI freenetUri, FetchResult fetchResult) { + this.freenetUri = freenetUri; + this.fetchResult = fetchResult; + } + + // + // ACCESSORS + // + + /** + * Returns the fetched URI. + * + * @return The fetched URI + */ + public FreenetURI getFreenetUri() { + return freenetUri; + } + + /** + * Returns the fetch result. + * + * @return The fetch result + */ + public FetchResult getFetchResult() { + return fetchResult; + } + + } + + /** * Callback for USK watcher events. * * @author David ‘Bombe’ Roden @@ -324,9 +402,12 @@ public class FreenetInterface { } /** - * Insert token that can be used to add {@link ImageInsertListener}s and - * cancel a running insert. + * Insert token that can cancel a running insert and sends events. * + * @see ImageInsertAbortedEvent + * @see ImageInsertStartedEvent + * @see ImageInsertFailedEvent + * @see ImageInsertFinishedEvent * @author David ‘Bombe’ Roden */ public class InsertToken implements ClientPutCallback { @@ -334,9 +415,6 @@ public class FreenetInterface { /** The image being inserted. */ private final Image image; - /** The list of registered image insert listeners. */ - private final List imageInsertListeners = Collections.synchronizedList(new ArrayList()); - /** The client putter. */ private ClientPutter clientPutter; @@ -354,30 +432,6 @@ public class FreenetInterface { } // - // LISTENER MANAGEMENT - // - - /** - * Adds the given listener to the list of registered listener. - * - * @param imageInsertListener - * The listener to add - */ - public void addImageInsertListener(ImageInsertListener imageInsertListener) { - imageInsertListeners.add(imageInsertListener); - } - - /** - * Removes the given listener from the list of registered listener. - * - * @param imageInsertListener - * The listener to remove - */ - public void removeImageInsertListener(ImageInsertListener imageInsertListener) { - imageInsertListeners.remove(imageInsertListener); - } - - // // ACCESSORS // @@ -385,15 +439,13 @@ public class FreenetInterface { * Sets the client putter that is inserting the image. This will also * signal all registered listeners that the image has started. * - * @see ImageInsertListener#imageInsertStarted(Image) * @param clientPutter * The client putter */ + @SuppressWarnings("synthetic-access") public void setClientPutter(ClientPutter clientPutter) { this.clientPutter = clientPutter; - for (ImageInsertListener imageInsertListener : imageInsertListeners) { - imageInsertListener.imageInsertStarted(image); - } + eventBus.post(new ImageInsertStartedEvent(image)); } // @@ -402,15 +454,11 @@ public class FreenetInterface { /** * Cancels the running insert. - * - * @see ImageInsertListener#imageInsertAborted(Image) */ @SuppressWarnings("synthetic-access") public void cancel() { clientPutter.cancel(null, node.clientCore.clientContext); - for (ImageInsertListener imageInsertListener : imageInsertListeners) { - imageInsertListener.imageInsertAborted(image); - } + eventBus.post(new ImageInsertAbortedEvent(image)); } // @@ -429,13 +477,12 @@ public class FreenetInterface { * {@inheritDoc} */ @Override + @SuppressWarnings("synthetic-access") public void onFailure(InsertException insertException, BaseClientPutter clientPutter, ObjectContainer objectContainer) { - for (ImageInsertListener imageInsertListener : imageInsertListeners) { - if ((insertException != null) && ("Cancelled by user".equals(insertException.getMessage()))) { - imageInsertListener.imageInsertAborted(image); - } else { - imageInsertListener.imageInsertFailed(image, insertException); - } + if ((insertException != null) && ("Cancelled by user".equals(insertException.getMessage()))) { + eventBus.post(new ImageInsertAbortedEvent(image)); + } else { + eventBus.post(new ImageInsertFailedEvent(image, insertException)); } } @@ -467,10 +514,9 @@ public class FreenetInterface { * {@inheritDoc} */ @Override + @SuppressWarnings("synthetic-access") public void onSuccess(BaseClientPutter clientPutter, ObjectContainer objectContainer) { - for (ImageInsertListener imageInsertListener : imageInsertListeners) { - imageInsertListener.imageInsertFinished(image, resultingUri); - } + eventBus.post(new ImageInsertFinishedEvent(image, resultingUri)); } }