X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fcore%2FSoneInserter.java;h=3dad6f6dcd3a6daba9a570e7c3ab59cc76fa3b07;hp=839c216d7db84348b309d587a23c10117f193d2c;hb=a47643aed43d118ca68044f95451bb5374cdb332;hpb=4d0705ef1773ee51717911bf5a1bc8f6ca71d339 diff --git a/src/main/java/net/pterodactylus/sone/core/SoneInserter.java b/src/main/java/net/pterodactylus/sone/core/SoneInserter.java index 839c216..3dad6f6 100644 --- a/src/main/java/net/pterodactylus/sone/core/SoneInserter.java +++ b/src/main/java/net/pterodactylus/sone/core/SoneInserter.java @@ -1,5 +1,5 @@ /* - * FreenetSone - SoneInserter.java - Copyright © 2010 David Roden + * Sone - SoneInserter.java - Copyright © 2010–2012 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 @@ -20,23 +20,32 @@ package net.pterodactylus.sone.core; import java.io.InputStreamReader; import java.io.StringWriter; import java.nio.charset.Charset; -import java.util.Collection; +import java.util.ArrayList; import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; -import net.pterodactylus.sone.core.Core.SoneStatus; +import net.pterodactylus.sone.data.Post; +import net.pterodactylus.sone.data.PostReply; +import net.pterodactylus.sone.data.Reply; import net.pterodactylus.sone.data.Sone; +import net.pterodactylus.sone.data.Sone.SoneStatus; import net.pterodactylus.sone.freenet.StringBucket; -import net.pterodactylus.util.filter.Filter; -import net.pterodactylus.util.filter.Filters; +import net.pterodactylus.sone.main.SonePlugin; +import net.pterodactylus.util.collection.ListBuilder; +import net.pterodactylus.util.collection.ReverseComparator; import net.pterodactylus.util.io.Closer; import net.pterodactylus.util.logging.Logging; import net.pterodactylus.util.service.AbstractService; -import net.pterodactylus.util.template.DefaultTemplateFactory; +import net.pterodactylus.util.template.HtmlFilter; import net.pterodactylus.util.template.ReflectionAccessor; import net.pterodactylus.util.template.Template; +import net.pterodactylus.util.template.TemplateContext; +import net.pterodactylus.util.template.TemplateContextFactory; import net.pterodactylus.util.template.TemplateException; +import net.pterodactylus.util.template.TemplateParser; import net.pterodactylus.util.template.XmlFilter; import freenet.client.async.ManifestElement; import freenet.keys.FreenetURI; @@ -51,12 +60,16 @@ public class SoneInserter extends AbstractService { /** The logger. */ private static final Logger logger = Logging.getLogger(SoneInserter.class); + /** The insertion delay (in seconds). */ + private static volatile int insertionDelay = 60; + /** The template factory used to create the templates. */ - private static final DefaultTemplateFactory templateFactory = new DefaultTemplateFactory(); + private static final TemplateContextFactory templateContextFactory = new TemplateContextFactory(); static { - templateFactory.addAccessor(Object.class, new ReflectionAccessor()); - templateFactory.addFilter("xml", new XmlFilter()); + templateContextFactory.addAccessor(Object.class, new ReflectionAccessor()); + templateContextFactory.addFilter("xml", new XmlFilter()); + templateContextFactory.addFilter("html", new HtmlFilter()); } /** The UTF-8 charset. */ @@ -71,6 +84,15 @@ public class SoneInserter extends AbstractService { /** The Sone to insert. */ private final Sone sone; + /** The insert listener manager. */ + private SoneInsertListenerManager soneInsertListenerManager; + + /** Whether a modification has been detected. */ + private volatile boolean modified = false; + + /** The fingerprint of the last insert. */ + private volatile String lastInsertFingerprint; + /** * Creates a new Sone inserter. * @@ -82,10 +104,80 @@ public class SoneInserter extends AbstractService { * The Sone to insert */ public SoneInserter(Core core, FreenetInterface freenetInterface, Sone sone) { - super("Sone Inserter for “" + sone.getName() + "”"); + super("Sone Inserter for “" + sone.getName() + "”", false); this.core = core; this.freenetInterface = freenetInterface; this.sone = sone; + this.soneInsertListenerManager = new SoneInsertListenerManager(sone); + } + + // + // LISTENER MANAGEMENT + // + + /** + * Adds a listener for Sone insert events. + * + * @param soneInsertListener + * The Sone insert listener + */ + public void addSoneInsertListener(SoneInsertListener soneInsertListener) { + soneInsertListenerManager.addListener(soneInsertListener); + } + + /** + * Removes a listener for Sone insert events. + * + * @param soneInsertListener + * The Sone insert listener + */ + public void removeSoneInsertListener(SoneInsertListener soneInsertListener) { + soneInsertListenerManager.removeListener(soneInsertListener); + } + + // + // ACCESSORS + // + + /** + * Changes the insertion delay, i.e. the time the Sone inserter waits after + * it has noticed a Sone modification before it starts the insert. + * + * @param insertionDelay + * The insertion delay (in seconds) + */ + public static void setInsertionDelay(int insertionDelay) { + SoneInserter.insertionDelay = insertionDelay; + } + + /** + * Returns the fingerprint of the last insert. + * + * @return The fingerprint of the last insert + */ + public String getLastInsertFingerprint() { + return lastInsertFingerprint; + } + + /** + * Sets the fingerprint of the last insert. + * + * @param lastInsertFingerprint + * The fingerprint of the last insert + */ + public void setLastInsertFingerprint(String lastInsertFingerprint) { + this.lastInsertFingerprint = lastInsertFingerprint; + } + + /** + * Returns whether the Sone inserter has detected a modification of the + * Sone. + * + * @return {@code true} if the Sone has been modified, {@code false} + * otherwise + */ + public boolean isModified() { + return modified; } // @@ -97,36 +189,71 @@ public class SoneInserter extends AbstractService { */ @Override protected void serviceRun() { - long modificationCounter = 0; - boolean restartNow = true; - while (!shouldStop()) { - if (!restartNow) { - logger.log(Level.FINEST, "Waiting 60 seconds before checking Sone “" + sone.getName() + "”."); - sleep(60 * 1000); + long lastModificationTime = 0; + String lastInsertedFingerprint = lastInsertFingerprint; + String lastFingerprint = ""; + while (!shouldStop()) { try { + /* check every seconds. */ + sleep(1000); + + /* don’t insert locked Sones. */ + if (core.isLocked(sone)) { + /* trigger redetection when the Sone is unlocked. */ + synchronized (sone) { + modified = !sone.getFingerprint().equals(lastInsertedFingerprint); + } + lastFingerprint = ""; + lastModificationTime = 0; + continue; } - restartNow = false; + InsertInformation insertInformation = null; synchronized (sone) { - modificationCounter = sone.getModificationCounter(); - if (modificationCounter > 0) { - sone.setTime(System.currentTimeMillis()); - insertInformation = new InsertInformation(sone.getRequestUri(), sone.getInsertUri()); + String fingerprint = sone.getFingerprint(); + if (!fingerprint.equals(lastFingerprint)) { + if (fingerprint.equals(lastInsertedFingerprint)) { + modified = false; + lastModificationTime = 0; + logger.log(Level.FINE, "Sone %s has been reverted to last insert state.", sone); + } else { + lastModificationTime = System.currentTimeMillis(); + modified = true; + logger.log(Level.FINE, "Sone %s has been modified, waiting %d seconds before inserting.", new Object[] { sone.getName(), insertionDelay }); + } + lastFingerprint = fingerprint; + } + if (modified && (lastModificationTime > 0) && ((System.currentTimeMillis() - lastModificationTime) > (insertionDelay * 1000))) { + lastInsertedFingerprint = fingerprint; + insertInformation = new InsertInformation(sone); } } + if (insertInformation != null) { logger.log(Level.INFO, "Inserting Sone “%s”…", new Object[] { sone.getName() }); boolean success = false; try { - core.setSoneStatus(sone, SoneStatus.inserting); - FreenetURI finalUri = freenetInterface.insertDirectory(insertInformation.getInsertUri().setKeyType("USK").setDocName("Sone-" + sone.getName()).setSuggestedEdition(0), insertInformation.generateManifestEntries(), "index.html"); - sone.updateUris(finalUri); + sone.setStatus(SoneStatus.inserting); + long insertTime = System.currentTimeMillis(); + insertInformation.setTime(insertTime); + soneInsertListenerManager.fireInsertStarted(); + FreenetURI finalUri = freenetInterface.insertDirectory(insertInformation.getInsertUri(), insertInformation.generateManifestEntries(), "index.html"); + soneInsertListenerManager.fireInsertFinished(System.currentTimeMillis() - insertTime); + /* at this point we might already be stopped. */ + if (shouldStop()) { + /* if so, bail out, don’t change anything. */ + break; + } + sone.setTime(insertTime); + sone.setLatestEdition(finalUri.getEdition()); + core.touchConfiguration(); success = true; logger.log(Level.INFO, "Inserted Sone “%s” at %s.", new Object[] { sone.getName(), finalUri }); } catch (SoneException se1) { + soneInsertListenerManager.fireInsertAborted(se1); logger.log(Level.WARNING, "Could not insert Sone “" + sone.getName() + "”!", se1); } finally { - core.setSoneStatus(sone, SoneStatus.idle); + sone.setStatus(SoneStatus.idle); } /* @@ -135,17 +262,19 @@ public class SoneInserter extends AbstractService { */ if (success) { synchronized (sone) { - if (sone.getModificationCounter() == modificationCounter) { + if (lastInsertedFingerprint.equals(sone.getFingerprint())) { logger.log(Level.FINE, "Sone “%s” was not modified further, resetting counter…", new Object[] { sone }); - sone.setModificationCounter(0); - } else { - logger.log(Level.FINE, "Sone “%s” was modified since the insert started, starting another insert…", new Object[] { sone }); - restartNow = true; + lastModificationTime = 0; + lastInsertFingerprint = lastInsertedFingerprint; + core.touchConfiguration(); + modified = false; } } } } - } + } catch (Throwable t1) { + logger.log(Level.SEVERE, "SoneInserter threw an Exception!", t1); + }} } /** @@ -157,23 +286,27 @@ public class SoneInserter extends AbstractService { */ private class InsertInformation { - /** The request URI of the Sone. */ - private final FreenetURI requestUri; - - /** The insert URI of the Sone. */ - private final FreenetURI insertUri; + /** All properties of the Sone, copied for thread safety. */ + private final Map soneProperties = new HashMap(); /** * Creates a new insert information container. * - * @param requestUri - * The request URI of the Sone - * @param insertUri - * The insert URI of the Sone + * @param sone + * The sone to insert */ - public InsertInformation(FreenetURI requestUri, FreenetURI insertUri) { - this.requestUri = requestUri; - this.insertUri = insertUri; + public InsertInformation(Sone sone) { + soneProperties.put("id", sone.getId()); + soneProperties.put("name", sone.getName()); + soneProperties.put("time", sone.getTime()); + soneProperties.put("requestUri", sone.getRequestUri()); + soneProperties.put("insertUri", sone.getInsertUri()); + soneProperties.put("profile", sone.getProfile()); + soneProperties.put("posts", new ListBuilder(new ArrayList(sone.getPosts())).sort(Post.TIME_COMPARATOR).get()); + soneProperties.put("replies", new ListBuilder(new ArrayList(sone.getReplies())).sort(new ReverseComparator>(Reply.TIME_COMPARATOR)).get()); + soneProperties.put("likedPostIds", new HashSet(sone.getLikedPostIds())); + soneProperties.put("likedReplyIds", new HashSet(sone.getLikedReplyIds())); + soneProperties.put("albums", sone.getAllAlbums()); } // @@ -181,22 +314,22 @@ public class SoneInserter extends AbstractService { // /** - * Returns the request URI of the Sone. + * Returns the insert URI of the Sone. * - * @return The request URI of the Sone + * @return The insert URI of the Sone */ - @SuppressWarnings("unused") - public FreenetURI getRequestUri() { - return requestUri; + public FreenetURI getInsertUri() { + return (FreenetURI) soneProperties.get("insertUri"); } /** - * Returns the insert URI of the Sone. + * Sets the time of the Sone at the time of the insert. * - * @return The insert URI of the Sone + * @param time + * The time of the Sone */ - public FreenetURI getInsertUri() { - return insertUri; + public void setTime(long time) { + soneProperties.put("time", time); } // @@ -237,33 +370,27 @@ public class SoneInserter extends AbstractService { */ @SuppressWarnings("synthetic-access") private ManifestElement createManifestElement(String name, String contentType, String templateName) { - InputStreamReader templateInputStreamReader; - Template template = templateFactory.createTemplate(templateInputStreamReader = new InputStreamReader(getClass().getResourceAsStream(templateName), utf8Charset)); + InputStreamReader templateInputStreamReader = null; + Template template; try { - template.parse(); + templateInputStreamReader = new InputStreamReader(getClass().getResourceAsStream(templateName), utf8Charset); + template = TemplateParser.parse(templateInputStreamReader); } catch (TemplateException te1) { logger.log(Level.SEVERE, "Could not parse template “" + templateName + "”!", te1); return null; } finally { Closer.close(templateInputStreamReader); } - Collection knownSones = Filters.filteredCollection(core.getKnownSones(), new Filter() { - - /** - * {@inheritDoc} - */ - @Override - public boolean filterObject(Sone object) { - return !sone.isSoneBlocked(object.getId()) && !object.equals(sone); - } - }); - template.set("currentSone", sone); - template.set("knownSones", knownSones); + TemplateContext templateContext = templateContextFactory.createTemplateContext(); + templateContext.set("core", core); + templateContext.set("currentSone", soneProperties); + templateContext.set("currentEdition", core.getUpdateChecker().getLatestEdition()); + templateContext.set("version", SonePlugin.VERSION); StringWriter writer = new StringWriter(); StringBucket bucket = null; try { - template.render(writer); + template.render(templateContext, writer); bucket = new StringBucket(writer.toString(), utf8Charset); return new ManifestElement(name, bucket, contentType, bucket.size()); } catch (TemplateException te1) {