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476 lines
19 KiB
476 lines
19 KiB
// yacyNewsActions.java
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// -----------------------
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// part of YaCy
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2005
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notice above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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package de.anomic.yacy;
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import java.io.File;
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import java.io.IOException;
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import java.util.HashSet;
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public class yacyNewsPool {
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public static final int INCOMING_DB = 0;
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public static final int PROCESSED_DB = 1;
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public static final int OUTGOING_DB = 2;
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public static final int PUBLISHED_DB = 3;
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/* ========================================================================
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* CATEGORIES for YACY NEWS
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* ======================================================================== */
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/* ------------------------------------------------------------------------
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* PROFILE related CATEGORIES
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* ------------------------------------------------------------------------ */
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public static final String CATEGORY_PROFILE = "prfl";
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/**
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* a profile entry was updated (implemented)
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*/
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public static final String CATEGORY_PROFILE_UPDATE = "prfleupd";
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/* ------------------------------------------------------------------------
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* CRAWLING related CATEGORIES
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* ------------------------------------------------------------------------ */
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public static final String CATEGORY_CRAWL = "crwl";
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/**
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* a crawl with remote indexing was startet
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*/
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public static final String CATEGORY_CRAWL_START = "crwlstrt";
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/**
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* a crawl with remote indexing was stopped
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*/
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public static final String CATEGORY_CRAWL_STOP = "crwlstop";
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/**
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* a comment on a crawl with remote indexing
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*/
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public static final String CATEGORY_CRAWL_COMMENT = "crwlcomm";
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/* ------------------------------------------------------------------------
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* BLACKLIST related CATEGORIES
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* ------------------------------------------------------------------------ */
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public static final String CATEGORY_BLACKLIST = "blckl";
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/**
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* a public blacklist entry was added
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*/
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public static final String CATEGORY_BLACKLIST_ADD = "blckladd";
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/**
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* a vote and comment on a public blacklist add
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*/
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public static final String CATEGORY_BLACKLIST_VOTE_ADD = "blcklavt";
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/**
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* a public blacklist entry was deleted
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*/
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public static final String CATEGORY_BLACKLIST_DELETE = "blckldel";
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/**
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* a vote and comment on a public blacklist delete
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*/
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public static final String CATEGORY_BLACKLIST_VOTE_DEL = "blckldvt";
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/* ------------------------------------------------------------------------
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* FLIE-SHARE related CATEGORIES
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* ------------------------------------------------------------------------ */
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public static final String CATEGORY_FILESHARE = "flshr";
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/**
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* a file was added to the file share
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*/
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public static final String CATEGORY_FILESHARE_ADD = "flshradd";
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/**
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* a file was added to the file share
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*/
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public static final String CATEGORY_FILESHARE_DEL = "flshrdel";
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/**
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* a comment to a file share entry
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*/
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public static final String CATEGORY_FILESHARE_COMMENT = "flshrcom";
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/* ------------------------------------------------------------------------
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* BOOKMARK related CATEGORIES
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* ------------------------------------------------------------------------ */
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public static final String CATEGORY_BOOKMARK = "bkmrk";
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/**
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* a bookmark was added/created
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*/
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public static final String CATEGORY_BOOKMARK_ADD = "bkmrkadd";
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/**
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* a vote and comment on a bookmark add
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*/
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public static final String CATEGORY_BOOKMARK_VOTE_ADD = "bkmrkavt";
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/**
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* a bookmark was moved
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*/
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public static final String CATEGORY_BOOKMARK_MOVE = "bkmrkmov";
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/**
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* a vote and comment on a bookmark move
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*/
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public static final String CATEGORY_BOOKMARK_VOTE_MOVE = "bkmrkmvt";
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/**
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* a bookmark was deleted
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*/
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public static final String CATEGORY_BOOKMARK_DEL = "bkmrkdel";
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/**
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* a vote and comment on a bookmark delete
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*/
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public static final String CATEGORY_BOOKMARK_VOTE_DEL = "bkmrkdvt";
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/* ------------------------------------------------------------------------
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* SURFTIPP related CATEGORIES
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* ------------------------------------------------------------------------ */
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public static final String CATEGORY_SURFTIPP = "stipp";
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/**
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* a surf tipp was added
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*/
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public static final String CATEGORY_SURFTIPP_ADD = "stippadd";
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/**
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* a vote and comment on a surf tipp
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*/
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public static final String CATEGORY_SURFTIPP_VOTE_ADD = "stippavt";
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/* ------------------------------------------------------------------------
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* WIKI related CATEGORIES
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* ------------------------------------------------------------------------ */
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public static final String CATEGORY_WIKI = "wiki";
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/**
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* a wiki page was updated
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*/
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public static final String CATEGORY_WIKI_UPDATE = "wiki_upd";
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/**
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* a wiki page das deleted
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*/
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public static final String CATEGORY_WIKI_DEL = "wiki_del";
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/* ------------------------------------------------------------------------
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* BLOG related CATEGORIES
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* ------------------------------------------------------------------------ */
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public static final String CATEGORY_BLOG = "blog";
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/**
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* a blog entry was added
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*/
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public static final String CATEGORY_BLOG_ADD = "blog_add";
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/**
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* a blog page das deleted
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*/
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public static final String CATEGORY_BLOG_DEL = "blog_del";
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/* ========================================================================
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* ARRAY of valid CATEGORIES
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* ======================================================================== */
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public static final String[] category = {
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// PROFILE related CATEGORIES
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CATEGORY_PROFILE_UPDATE,
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// CRAWLING related CATEGORIES
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CATEGORY_CRAWL_START,
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CATEGORY_CRAWL_STOP,
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CATEGORY_CRAWL_COMMENT,
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// BLACKLIST related CATEGORIES
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CATEGORY_BLACKLIST_ADD,
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CATEGORY_BLACKLIST_VOTE_ADD,
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CATEGORY_BLACKLIST_DELETE,
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CATEGORY_BLACKLIST_VOTE_DEL,
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// FILESHARE related CATEGORIES
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CATEGORY_FILESHARE_ADD,
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CATEGORY_FILESHARE_DEL,
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CATEGORY_FILESHARE_COMMENT,
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// BOOKMARK related CATEGORIES
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CATEGORY_BOOKMARK_ADD,
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CATEGORY_BOOKMARK_VOTE_ADD,
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CATEGORY_BOOKMARK_MOVE,
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CATEGORY_BOOKMARK_VOTE_MOVE,
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CATEGORY_BOOKMARK_DEL,
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CATEGORY_BOOKMARK_VOTE_DEL,
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// SURFTIPP related CATEGORIES
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CATEGORY_SURFTIPP_ADD,
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CATEGORY_SURFTIPP_VOTE_ADD,
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// WIKI related CATEGORIE
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CATEGORY_WIKI_UPDATE,
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CATEGORY_WIKI_DEL,
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// BLOG related CATEGORIES
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CATEGORY_BLOG_ADD,
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CATEGORY_BLOG_DEL
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};
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public static HashSet categories;
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static {
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categories = new HashSet();
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for (int i = 0; i < category.length; i++) categories.add(category[i]);
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}
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private yacyNewsDB newsDB;
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private yacyNewsQueue outgoingNews, publishedNews, incomingNews, processedNews;
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private int maxDistribution;
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public yacyNewsPool(File yacyDBPath, long preloadTime) throws IOException {
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newsDB = new yacyNewsDB(new File(yacyDBPath, "news1.db"), preloadTime);
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outgoingNews = new yacyNewsQueue(new File(yacyDBPath, "newsOut1.stack"), newsDB);
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publishedNews = new yacyNewsQueue(new File(yacyDBPath, "newsPublished1.stack"), newsDB);
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incomingNews = new yacyNewsQueue(new File(yacyDBPath, "newsIn1.stack"), newsDB);
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processedNews = new yacyNewsQueue(new File(yacyDBPath, "newsProcessed1.stack"), newsDB);
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maxDistribution = 30;
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}
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public synchronized void close() {
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newsDB.close();
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outgoingNews.close();
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publishedNews.close();
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incomingNews.close();
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processedNews.close();
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}
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public int dbSize() {
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try {
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return newsDB.size();
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} catch (IOException e) {
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e.printStackTrace();
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return 0;
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}
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}
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public void publishMyNews(yacyNewsRecord record) {
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// this shall be called if our peer generated a new news record and wants to publish it
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try {
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if (newsDB.get(record.id()) == null) {
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incomingNews.push(record); // we want to see our own news..
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outgoingNews.push(record); // .. and put it on the publishing list
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}
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} catch (IOException e) {}
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}
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public yacyNewsRecord myPublication() throws IOException {
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// generate a record for next peer-ping
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if (outgoingNews.size() == 0) return null;
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yacyNewsRecord record = outgoingNews.topInc();
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if ((record != null) && (record.distributed() >= maxDistribution)) {
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// move record to its final position. This is only for history
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publishedNews.push(outgoingNews.pop(0));
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}
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return record;
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}
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public void enqueueIncomingNews(yacyNewsRecord record) throws IOException {
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// called if a news is attached to a seed
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// check consistency
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if (record.id() == null) return;
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if (record.id().length() != yacyNewsRecord.idLength) return;
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if (record.category() == null) return;
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if (!(categories.contains(record.category()))) return;
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if (record.created().getTime() == 0) return;
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// double-check with old news
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if (newsDB.get(record.id()) != null) return;
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incomingNews.push(record);
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}
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public int size(int dbKey) {
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return switchQueue(dbKey).size();
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}
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public int automaticProcess() throws IOException, InterruptedException {
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// processes news in the incoming-db
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// returns number of processes
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yacyNewsRecord record;
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int pc = 0;
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synchronized (this.incomingNews) {
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for (int i = this.incomingNews.size() - 1; i >= 0; i--) {
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// check for interruption
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if (Thread.currentThread().isInterrupted()) throw new InterruptedException("Shutdown in progress");
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// get next news record
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record = this.incomingNews.top(i);
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if ((i > 500) || (automaticProcessP(record))) {
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this.incomingNews.pop(i);
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this.processedNews.push(record);
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//newsDB.remove(id);
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pc++;
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}
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}
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}
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return pc;
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}
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long day = 1000 * 60 * 60 * 24;
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private boolean automaticProcessP(yacyNewsRecord record) {
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if (record == null) return false;
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if (record.category() == null) return true;
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if ((System.currentTimeMillis() - record.created().getTime()) > (14 * day)) {
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// remove everything after 1 week
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return true;
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}
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if ((record.category().equals(CATEGORY_WIKI_UPDATE)) &&
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((System.currentTimeMillis() - record.created().getTime()) > (3 * day))) {
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return true;
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}
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if ((record.category().equals(CATEGORY_BLOG_ADD)) &&
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((System.currentTimeMillis() - record.created().getTime()) > (3 * day))) {
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return true;
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}
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if ((record.category().equals(CATEGORY_PROFILE_UPDATE)) &&
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((System.currentTimeMillis() - record.created().getTime()) > (7 * day))) {
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return true;
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}
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if ((record.category().equals(CATEGORY_CRAWL_START)) &&
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((System.currentTimeMillis() - record.created().getTime()) > (2 * day))) {
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yacySeed seed = yacyCore.seedDB.get(record.originator());
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if (seed == null) return false;
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try {
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return (Integer.parseInt(seed.get(yacySeed.ISPEED, "-")) < 10);
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} catch (NumberFormatException ee) {
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return true;
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}
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}
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return false;
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}
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public yacyNewsRecord get(int dbKey, int element) throws IOException {
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yacyNewsQueue queue = switchQueue(dbKey);
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yacyNewsRecord record = null;
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int s;
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synchronized (queue) {
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while ((record == null) && ((s = queue.size()) > 0)) {
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record = queue.top(element);
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if (record == null) {
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queue.pop(element);
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if (queue.size() == s) break;
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}
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}
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}
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return record;
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}
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public synchronized yacyNewsRecord getSpecific(int dbKey, String category, String key, String value) throws IOException {
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yacyNewsQueue queue = switchQueue(dbKey);
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yacyNewsRecord record;
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String s;
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for (int i = queue.size() - 1; i >= 0; i--) {
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record = queue.top(i);
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if ((record != null) && (record.category().equals(category))) {
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s = (String) record.attributes().get(key);
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if ((s != null) && (s.equals(value))) return record;
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}
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}
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return null;
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}
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public synchronized yacyNewsRecord getByOriginator(int dbKey, String category, String originatorHash) throws IOException {
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yacyNewsQueue queue = switchQueue(dbKey);
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yacyNewsRecord record;
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for (int i = queue.size() - 1; i >= 0; i--) {
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record = queue.top(i);
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if ((record != null) &&
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(record.category().equals(category)) &&
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(record.originator().equals(originatorHash))) {
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return record;
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}
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}
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return null;
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}
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public synchronized yacyNewsRecord getByID(int dbKey, String id) throws IOException {
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switch (dbKey) {
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case INCOMING_DB: return incomingNews.get(id);
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case PROCESSED_DB: return processedNews.get(id);
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case OUTGOING_DB: return outgoingNews.get(id);
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case PUBLISHED_DB: return publishedNews.get(id);
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}
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return null;
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}
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private yacyNewsQueue switchQueue(int dbKey) {
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switch (dbKey) {
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case INCOMING_DB: return incomingNews;
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case PROCESSED_DB: return processedNews;
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case OUTGOING_DB: return outgoingNews;
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case PUBLISHED_DB: return publishedNews;
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}
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return null;
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}
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public void clear(int dbKey) {
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// this is called if a queue element shall be moved to another queue or off the queue
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// it depends on the dbKey how the record is handled
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switch (dbKey) {
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case INCOMING_DB: incomingNews.clear(); break;
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case PROCESSED_DB: processedNews.clear(); break;
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case OUTGOING_DB: outgoingNews.clear(); break;
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case PUBLISHED_DB: publishedNews.clear(); break;
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}
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}
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public void moveOff(int dbKey, String id) throws IOException {
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// this is called if a queue element shall be moved to another queue or off the queue
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// it depends on the dbKey how the record is handled
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switch (dbKey) {
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case INCOMING_DB: moveOff(incomingNews, processedNews, id); break;
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case PROCESSED_DB: moveOff(processedNews, null,id); break;
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case OUTGOING_DB: moveOff(outgoingNews, publishedNews, id); break;
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case PUBLISHED_DB: moveOff(publishedNews, null, id); break;
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}
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}
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private boolean moveOff(yacyNewsQueue fromqueue, yacyNewsQueue toqueue, String id) throws IOException {
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// called if a published news shall be removed
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yacyNewsRecord record = fromqueue.remove(id);
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if (record == null) {
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//System.out.println("DEBUG: record == null");
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return false;
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}
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if (toqueue != null) toqueue.push(record);
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else if ((incomingNews.get(id) == null) && (processedNews.get(id) == null) && (outgoingNews.get(id) == null) && (publishedNews.get(id) == null)){
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newsDB.remove(id);
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//System.out.println("DEBUG: News-ID " + id + " deleted");
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}
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//if (incomingNews.get(id) != null) System.out.println("DEBUG: News-ID " + id + " in incomingNews");
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//if (processedNews.get(id) != null) System.out.println("DEBUG: News-ID " + id + " in processedNews");
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//if (outgoingNews.get(id) != null) System.out.println("DEBUG: News-ID " + id + " in outgoingNews");
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//if (publishedNews.get(id) != null) System.out.println("DEBUG: News-ID " + id + " in publishedNews");
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return true;
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}
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}
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