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yacy_search_server/source/de/anomic/yacy/yacyNewsPool.java

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// yacyNewsActions.java
// -----------------------
// part of YaCy
// (C) by Michael Peter Christen; mc@yacy.net
// first published on http://www.anomic.de
// Frankfurt, Germany, 2005
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notice above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.
package de.anomic.yacy;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import net.yacy.kelondro.data.meta.DigestURI;
import net.yacy.kelondro.index.RowSpaceExceededException;
import net.yacy.kelondro.logging.Log;
import net.yacy.repository.Blacklist;
import de.anomic.search.Switchboard;
public class yacyNewsPool {
public static final int INCOMING_DB = 0;
public static final int PROCESSED_DB = 1;
public static final int OUTGOING_DB = 2;
public static final int PUBLISHED_DB = 3;
/* ========================================================================
* CATEGORIES for YACY NEWS
* ======================================================================== */
/* ------------------------------------------------------------------------
* PROFILE related CATEGORIES
* ------------------------------------------------------------------------ */
/**
* a profile entry was updated (implemented)
*/
public static final String CATEGORY_PROFILE_UPDATE = "prfleupd";
/**
* a peer starts up and renews its profile broadcast; used to implement supporter page
*/
public static final String CATEGORY_PROFILE_BROADCAST = "prflecst";
/**
* a peer has done something good (i.e. served good search results)
* and gets a positive vote so it can rise on the supporter page
*/
private static final String CATEGORY_PROFILE_VOTE_GOOD = "prflegvt";
/**
* a peer has done something bad (i.e. spammed) and gets a negative vote
*/
private static final String CATEGORY_PROFILE_VOTE_BAD = "prflebvt";
/* ------------------------------------------------------------------------
* CRAWLING related CATEGORIES
* ------------------------------------------------------------------------ */
/**
* a crawl with remote indexing was started
*/
public static final String CATEGORY_CRAWL_START = "crwlstrt";
/**
* a crawl with remote indexing was stopped
*/
private static final String CATEGORY_CRAWL_STOP = "crwlstop";
/**
* a comment on a crawl with remote indexing
*/
private static final String CATEGORY_CRAWL_COMMENT = "crwlcomm";
/* ------------------------------------------------------------------------
* BLACKLIST related CATEGORIES
* ------------------------------------------------------------------------ */
/**
* a private blacklist entry was added
*/
private static final String CATEGORY_BLACKLIST_ADD = "blckladd";
/**
* a vote and comment on a private blacklist add
*/
private static final String CATEGORY_BLACKLIST_VOTE_ADD = "blcklavt";
/**
* a private blacklist entry was deleted
*/
private static final String CATEGORY_BLACKLIST_DELETE = "blckldel";
/**
* a vote and comment on a private blacklist delete
*/
private static final String CATEGORY_BLACKLIST_VOTE_DEL = "blckldvt";
/* ------------------------------------------------------------------------
* FLIE-SHARE related CATEGORIES
* ------------------------------------------------------------------------ */
/**
* a file was added to the file share
*/
private static final String CATEGORY_FILESHARE_ADD = "flshradd";
/**
* a file was added to the file share
*/
private static final String CATEGORY_FILESHARE_DEL = "flshrdel";
/**
* a comment to a file share entry
*/
private static final String CATEGORY_FILESHARE_COMMENT = "flshrcom";
/* ------------------------------------------------------------------------
* BOOKMARK related CATEGORIES
* ------------------------------------------------------------------------ */
/**
* a bookmark was added/created
*/
public static final String CATEGORY_BOOKMARK_ADD = "bkmrkadd";
/**
* a vote and comment on a bookmark add
*/
private static final String CATEGORY_BOOKMARK_VOTE_ADD = "bkmrkavt";
/**
* a bookmark was moved
*/
private static final String CATEGORY_BOOKMARK_MOVE = "bkmrkmov";
/**
* a vote and comment on a bookmark move
*/
private static final String CATEGORY_BOOKMARK_VOTE_MOVE = "bkmrkmvt";
/**
* a bookmark was deleted
*/
private static final String CATEGORY_BOOKMARK_DEL = "bkmrkdel";
/**
* a vote and comment on a bookmark delete
*/
private static final String CATEGORY_BOOKMARK_VOTE_DEL = "bkmrkdvt";
/* ------------------------------------------------------------------------
* SURFTIPP related CATEGORIES
* ------------------------------------------------------------------------ */
/**
* a surf tipp was added
*/
public static final String CATEGORY_SURFTIPP_ADD = "stippadd";
/**
* a vote and comment on a surf tipp
*/
public static final String CATEGORY_SURFTIPP_VOTE_ADD = "stippavt";
/* ------------------------------------------------------------------------
* WIKI related CATEGORIES
* ------------------------------------------------------------------------ */
/**
* a wiki page was updated
*/
public static final String CATEGORY_WIKI_UPDATE = "wiki_upd";
/**
* a wiki page das deleted
*/
private static final String CATEGORY_WIKI_DEL = "wiki_del";
/* ------------------------------------------------------------------------
* BLOG related CATEGORIES
* ------------------------------------------------------------------------ */
/**
* a blog entry was added
*/
public static final String CATEGORY_BLOG_ADD = "blog_add";
/**
* a blog page das deleted
*/
private static final String CATEGORY_BLOG_DEL = "blog_del";
/* ========================================================================
* ARRAY of valid CATEGORIES
* ======================================================================== */
private static final String[] category = {
// PROFILE related CATEGORIES
CATEGORY_PROFILE_UPDATE,
CATEGORY_PROFILE_BROADCAST,
CATEGORY_PROFILE_VOTE_GOOD,
CATEGORY_PROFILE_VOTE_BAD,
// CRAWLING related CATEGORIES
CATEGORY_CRAWL_START,
CATEGORY_CRAWL_STOP,
CATEGORY_CRAWL_COMMENT,
// BLACKLIST related CATEGORIES
CATEGORY_BLACKLIST_ADD,
CATEGORY_BLACKLIST_VOTE_ADD,
CATEGORY_BLACKLIST_DELETE,
CATEGORY_BLACKLIST_VOTE_DEL,
// FILESHARE related CATEGORIES
CATEGORY_FILESHARE_ADD,
CATEGORY_FILESHARE_DEL,
CATEGORY_FILESHARE_COMMENT,
// BOOKMARK related CATEGORIES
CATEGORY_BOOKMARK_ADD,
CATEGORY_BOOKMARK_VOTE_ADD,
CATEGORY_BOOKMARK_MOVE,
CATEGORY_BOOKMARK_VOTE_MOVE,
CATEGORY_BOOKMARK_DEL,
CATEGORY_BOOKMARK_VOTE_DEL,
// SURFTIPP related CATEGORIES
CATEGORY_SURFTIPP_ADD,
CATEGORY_SURFTIPP_VOTE_ADD,
// WIKI related CATEGORIE
CATEGORY_WIKI_UPDATE,
CATEGORY_WIKI_DEL,
// BLOG related CATEGORIES
CATEGORY_BLOG_ADD,
CATEGORY_BLOG_DEL
};
private static final Set<String> categories = new HashSet<String>();
static {
categories.addAll(Arrays.asList(category));
}
private final static long MILLISECONDS_PER_DAY = 1000 * 60 * 60 * 24;
private final yacyNewsDB newsDB;
private final yacyNewsQueue outgoingNews, publishedNews, incomingNews, processedNews;
private final int maxDistribution;
public yacyNewsPool(
final File yacyDBPath,
final boolean useTailCache,
final boolean exceed134217727) {
newsDB = new yacyNewsDB(new File(yacyDBPath, "news1024.db"), 1024, useTailCache, exceed134217727);
outgoingNews = new yacyNewsQueue(new File(yacyDBPath, "newsOut.table"), newsDB);
publishedNews = new yacyNewsQueue(new File(yacyDBPath, "newsPublished.table"), newsDB);
incomingNews = new yacyNewsQueue(new File(yacyDBPath, "newsIn.table"), newsDB);
processedNews = new yacyNewsQueue(new File(yacyDBPath, "newsProcessed.table"), newsDB);
maxDistribution = 30;
}
public synchronized void close() {
newsDB.close();
outgoingNews.close();
publishedNews.close();
incomingNews.close();
processedNews.close();
}
public Iterator<yacyNewsDB.Record> recordIterator(final int dbKey, final boolean up) {
// returns an iterator of yacyNewsRecord-type objects
final yacyNewsQueue queue = switchQueue(dbKey);
return queue.records(up);
}
public yacyNewsDB.Record parseExternal(final String external) {
return newsDB.newRecord(external);
}
public void publishMyNews(final yacySeed mySeed, final String category, final Map<String, String> attributes) {
publishMyNews(newsDB.newRecord(mySeed, category, attributes));
}
public void publishMyNews(final yacySeed mySeed, final String category, final Properties attributes) {
publishMyNews(newsDB.newRecord(mySeed, category, attributes));
}
private void publishMyNews(final yacyNewsDB.Record record) {
// this shall be called if our peer generated a new news record and wants to publish it
if (record == null) return;
try {
if (newsDB.get(record.id()) == null) {
incomingNews.push(record); // we want to see our own news..
outgoingNews.push(record); // .. and put it on the publishing list
}
} catch (final Exception e) {
Log.logException(e);
}
}
public yacyNewsDB.Record myPublication() throws IOException, RowSpaceExceededException {
// generate a record for next peer-ping
if (outgoingNews.isEmpty()) return null;
final yacyNewsDB.Record record = outgoingNews.pop();
if (record == null) return null;
record.incDistribution();
if (record.distributed() >= maxDistribution) {
// move record to its final position. This is only for history
publishedNews.push(record);
} else {
outgoingNews.push(record);
}
return record;
}
public void enqueueIncomingNews(final yacyNewsDB.Record record) throws IOException, RowSpaceExceededException {
// called if a news is attached to a seed
// check consistency
if (record.id() == null) return;
if (record.id().length() != yacyNewsDB.idLength) return;
if (record.category() == null) return;
if (!(categories.contains(record.category()))) return;
if (record.created().getTime() == 0) return;
final Map<String, String> attributes = record.attributes();
if (attributes.containsKey("url")){
if (Switchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_NEWS, new DigestURI(attributes.get("url")))){
System.out.println("DEBUG: ignored news-entry url blacklisted: " + attributes.get("url"));
return;
}
}
if (attributes.containsKey("startURL")){
if (Switchboard.urlBlacklist.isListed(Blacklist.BLACKLIST_NEWS, new DigestURI(attributes.get("startURL")))){
System.out.println("DEBUG: ignored news-entry url blacklisted: " + attributes.get("startURL"));
return;
}
}
// double-check with old news
if (newsDB.get(record.id()) != null) return;
incomingNews.push(record);
// add message to feed channel
//RSSFeed.channels(yacyCore.channelName).addMessage(new RSSMessage("Incoming News: " + record.category() + " from " + record.originator(), record.attributes().toString()));
}
public int size(final int dbKey) {
return switchQueue(dbKey).size();
}
public int automaticProcess(final yacySeedDB seedDB) throws IOException, InterruptedException, RowSpaceExceededException {
// processes news in the incoming-db
// returns number of processes
yacyNewsDB.Record record;
int pc = 0;
synchronized (this.incomingNews) {
final Iterator<yacyNewsDB.Record> i = incomingNews.records(true);
Set<String> removeIDs = new HashSet<String>();
while (i.hasNext()) {
// check for interruption
if (Thread.currentThread().isInterrupted()) throw new InterruptedException("Shutdown in progress");
// get next news record
record = i.next();
if (automaticProcessP(seedDB, record)) {
this.processedNews.push(record);
removeIDs.add(record.id());
pc++;
}
}
for (final String id: removeIDs) incomingNews.remove(id);
}
return pc;
}
private boolean automaticProcessP(final yacySeedDB seedDB, final yacyNewsDB.Record record) {
if (record == null) return false;
if (record.category() == null) return true;
if ((System.currentTimeMillis() - record.created().getTime()) > (14 * MILLISECONDS_PER_DAY)) {
// remove everything after 1 week
return true;
}
if ((record.category().equals(CATEGORY_WIKI_UPDATE)) &&
((System.currentTimeMillis() - record.created().getTime()) > (3 * MILLISECONDS_PER_DAY))) {
return true;
}
if ((record.category().equals(CATEGORY_BLOG_ADD)) &&
((System.currentTimeMillis() - record.created().getTime()) > (3 * MILLISECONDS_PER_DAY))) {
return true;
}
if ((record.category().equals(CATEGORY_PROFILE_UPDATE)) &&
((System.currentTimeMillis() - record.created().getTime()) > (7 * MILLISECONDS_PER_DAY))) {
return true;
}
if ((record.category().equals(CATEGORY_CRAWL_START)) &&
((System.currentTimeMillis() - record.created().getTime()) > (2 * MILLISECONDS_PER_DAY))) {
final yacySeed seed = seedDB.get(record.originator());
if (seed == null) return false;
try {
return (Integer.parseInt(seed.get(yacySeed.ISPEED, "-")) < 10);
} catch (final NumberFormatException ee) {
return true;
}
}
return false;
}
public synchronized yacyNewsDB.Record getSpecific(final int dbKey, final String category, final String key, final String value) {
final yacyNewsQueue queue = switchQueue(dbKey);
yacyNewsDB.Record record;
String s;
final Iterator<yacyNewsDB.Record> i = queue.records(true);
while (i.hasNext()) {
record = i.next();
if ((record != null) && (record.category().equals(category))) {
s = record.attributes().get(key);
if ((s != null) && (s.equals(value))) return record;
}
}
return null;
}
public synchronized yacyNewsDB.Record getByOriginator(final int dbKey, final String category, final String originatorHash) {
final yacyNewsQueue queue = switchQueue(dbKey);
yacyNewsDB.Record record;
final Iterator<yacyNewsDB.Record> i = queue.records(true);
while (i.hasNext()) {
record = i.next();
if ((record != null) &&
(record.category().equals(category)) &&
(record.originator().equals(originatorHash))) {
return record;
}
}
return null;
}
public synchronized yacyNewsDB.Record getByID(final int dbKey, final String id) {
switch (dbKey) {
case INCOMING_DB: return incomingNews.get(id);
case PROCESSED_DB: return processedNews.get(id);
case OUTGOING_DB: return outgoingNews.get(id);
case PUBLISHED_DB: return publishedNews.get(id);
}
return null;
}
private yacyNewsQueue switchQueue(final int dbKey) {
switch (dbKey) {
case INCOMING_DB: return incomingNews;
case PROCESSED_DB: return processedNews;
case OUTGOING_DB: return outgoingNews;
case PUBLISHED_DB: return publishedNews;
}
return null;
}
public void clear(final int dbKey) {
// clear a table
switch (dbKey) {
case INCOMING_DB: incomingNews.clear(); break;
case PROCESSED_DB: processedNews.clear(); break;
case OUTGOING_DB: outgoingNews.clear(); break;
case PUBLISHED_DB: publishedNews.clear(); break;
}
}
public void moveOff(final int dbKey, final String id) throws IOException, RowSpaceExceededException {
// this is called if a queue element shall be moved to another queue or off the queue
// it depends on the dbKey how the record is handled
switch (dbKey) {
case INCOMING_DB: moveOff(incomingNews, processedNews, id); break;
case PROCESSED_DB: moveOff(processedNews, null,id); break;
case OUTGOING_DB: moveOff(outgoingNews, publishedNews, id); break;
case PUBLISHED_DB: moveOff(publishedNews, null, id); break;
}
}
private boolean moveOff(final yacyNewsQueue fromqueue, final yacyNewsQueue toqueue, final String id) throws IOException, RowSpaceExceededException {
// called if a published news shall be removed
final yacyNewsDB.Record record = fromqueue.remove(id);
if (record == null) {
return false;
}
if (toqueue != null) {
toqueue.push(record);
} else if ((incomingNews.get(id) == null) && (processedNews.get(id) == null) && (outgoingNews.get(id) == null) && (publishedNews.get(id) == null)) {
newsDB.remove(id);
}
return true;
}
public void moveOffAll(final int dbKey) throws IOException, RowSpaceExceededException {
// this is called if a queue element shall be moved to another queue or off the queue
// it depends on the dbKey how the record is handled
switch (dbKey) {
case INCOMING_DB: moveOffAll(incomingNews, processedNews); break;
case PROCESSED_DB: processedNews.clear(); break;
case OUTGOING_DB: moveOffAll(outgoingNews, publishedNews); break;
case PUBLISHED_DB: publishedNews.clear(); break;
}
}
private int moveOffAll(final yacyNewsQueue fromqueue, final yacyNewsQueue toqueue) throws IOException, RowSpaceExceededException {
// move off all news from a specific queue to another queue
final Iterator<yacyNewsDB.Record> i = fromqueue.records(true);
yacyNewsDB.Record record;
if (toqueue == null) return 0;
int c = 0;
while (i.hasNext()) {
record = i.next();
if (record == null) continue;
toqueue.push(record);
c++;
}
fromqueue.clear();
return c;
}
}
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