diff -r 000000000000 -r 1090e2141798 org/sonews/feed/PushFeeder.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org/sonews/feed/PushFeeder.java Wed Jul 01 10:48:22 2009 +0200 @@ -0,0 +1,107 @@ +/* + * SONEWS News Server + * see AUTHORS for the list of contributors + * + * 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 + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +package org.sonews.feed; + +import java.io.IOException; +import java.util.concurrent.ConcurrentLinkedQueue; +import org.sonews.daemon.storage.Article; +import org.sonews.daemon.storage.Headers; +import org.sonews.util.Log; +import org.sonews.util.io.ArticleWriter; + +/** + * Pushes new articles to remote newsservers. This feeder sleeps until a new + * message is posted to the sonews instance. + * @author Christian Lins + * @since sonews/0.5.0 + */ +class PushFeeder extends AbstractFeeder +{ + + private ConcurrentLinkedQueue
articleQueue = + new ConcurrentLinkedQueue
(); + + @Override + public void run() + { + while(isRunning()) + { + try + { + synchronized(this) + { + this.wait(); + } + + Article article = this.articleQueue.poll(); + String[] groups = article.getHeader(Headers.NEWSGROUPS)[0].split(","); + Log.msg("PushFeed: " + article.getMessageID(), true); + for(Subscription sub : this.subscriptions) + { + // Circle check + if(article.getHeader(Headers.PATH)[0].contains(sub.getHost())) + { + Log.msg(article.getMessageID() + " skipped for host " + + sub.getHost(), true); + continue; + } + + try + { + for(String group : groups) + { + if(sub.getGroup().equals(group)) + { + // Delete headers that may cause problems + article.removeHeader(Headers.NNTP_POSTING_DATE); + article.removeHeader(Headers.NNTP_POSTING_HOST); + article.removeHeader(Headers.X_COMPLAINTS_TO); + article.removeHeader(Headers.X_TRACE); + article.removeHeader(Headers.XREF); + + // POST the message to remote server + ArticleWriter awriter = new ArticleWriter(sub.getHost(), sub.getPort()); + awriter.writeArticle(article); + break; + } + } + } + catch(IOException ex) + { + Log.msg(ex, false); + } + } + } + catch(InterruptedException ex) + { + Log.msg("PushFeeder interrupted.", true); + } + } + } + + public void queueForPush(Article article) + { + this.articleQueue.add(article); + synchronized(this) + { + this.notifyAll(); + } + } + +}