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178 lines
7.6 KiB
178 lines
7.6 KiB
// IndexExport_p.java
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// -----------------------
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// (C) 2004-2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 2004 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// LICENSE
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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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import java.io.File;
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import java.io.IOException;
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import java.util.List;
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import org.apache.solr.common.SolrException;
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import org.apache.solr.common.SolrException.ErrorCode;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.data.WorkTables;
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import net.yacy.search.Switchboard;
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import net.yacy.search.SwitchboardConstants;
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import net.yacy.search.index.Fulltext;
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import net.yacy.search.index.Segment;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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public class IndexExport_p {
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public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
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// return variable that accumulates replacements
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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Segment segment = sb.index;
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long ucount = segment.fulltext().collectionSize();
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// set default values
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prop.put("otherHosts", "");
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prop.put("reload", 0);
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prop.put("indexdump", 0);
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prop.put("indexRestore", 0);
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prop.put("lurlexport", 0);
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prop.put("reload", 0);
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prop.put("dumprestore", 1);
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prop.put("dumprestore_dumpRestoreEnabled", sb.getConfigBool(SwitchboardConstants.CORE_SERVICE_FULLTEXT,
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SwitchboardConstants.CORE_SERVICE_FULLTEXT_DEFAULT));
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List<File> dumpFiles = segment.fulltext().dumpFiles();
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prop.put("dumprestore_dumpfile", dumpFiles.size() == 0 ? "" : dumpFiles.get(dumpFiles.size() - 1).getAbsolutePath());
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prop.put("dumprestore_optimizemax", 10);
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prop.putNum("ucount", ucount);
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// show export messages
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Fulltext.Export export = segment.fulltext().export();
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if ((export != null) && (export.isAlive())) {
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// there is currently a running export
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prop.put("lurlexport", 2);
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prop.put("lurlexportfinished", 0);
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prop.put("lurlexporterror", 0);
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prop.put("lurlexport_exportfile", export.file().toString());
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prop.put("lurlexport_urlcount", export.count());
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prop.put("reload", 1);
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} else {
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prop.put("lurlexport", 1);
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prop.put("lurlexport_exportfilepath", sb.getDataPath() + "/DATA/EXPORT/");
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if (export == null) {
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// there has never been an export
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prop.put("lurlexportfinished", 0);
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prop.put("lurlexporterror", 0);
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} else {
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// an export was running but has finished
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prop.put("lurlexportfinished", 1);
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prop.put("lurlexportfinished_exportfile", export.file().toString());
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prop.put("lurlexportfinished_urlcount", export.count());
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if (export.failed() == null) {
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prop.put("lurlexporterror", 0);
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} else {
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prop.put("lurlexporterror", 1);
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prop.put("lurlexporterror_exportfile", export.file().toString());
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prop.put("lurlexporterror_exportfailmsg", export.failed());
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}
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}
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}
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if (post == null || env == null) {
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return prop; // nothing to do
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}
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if (post.containsKey("lurlexport")) {
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// parse format
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Fulltext.ExportFormat format = Fulltext.ExportFormat.text;
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final String fname = post.get("format", "url-text");
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final boolean dom = fname.startsWith("dom"); // if dom== false complete urls are exported, otherwise only the domain
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final boolean text = fname.startsWith("text");
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if (fname.endsWith("text")) format = Fulltext.ExportFormat.text;
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if (fname.endsWith("html")) format = Fulltext.ExportFormat.html;
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if (fname.endsWith("rss")) format = Fulltext.ExportFormat.rss;
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if (fname.endsWith("solr")) format = Fulltext.ExportFormat.solr;
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if (fname.endsWith("elasticsearch")) format = Fulltext.ExportFormat.elasticsearch;
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final String filter = post.get("exportfilter", ".*");
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final String query = post.get("exportquery", "*:*");
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final int maxseconds = post.getInt("exportmaxseconds", -1);
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final String path = post.get("exportfilepath", "");
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// store this call as api call: we do this even if there is a chance that it fails because recurring calls may do not fail
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if (maxseconds != -1) sb.tables.recordAPICall(post, "IndexExport_p.html", WorkTables.TABLE_API_TYPE_DUMP, format + "-dump, q=" + query + ", maxseconds=" + maxseconds);
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// start the export
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try {
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export = sb.index.fulltext().export(format, filter, query, maxseconds, new File(path), dom, text);
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} catch (IOException e) {
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prop.put("lurlexporterror", 1);
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prop.put("lurlexporterror_exportfile", "-no export-");
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prop.put("lurlexporterror_exportfailmsg", e.getMessage());
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return prop;
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}
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// show result
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prop.put("lurlexport_exportfile", export.file().toString());
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prop.put("lurlexport_urlcount", export.count());
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if ((export != null) && (export.failed() == null)) {
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prop.put("lurlexport", 2);
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}
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prop.put("reload", 1);
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}
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if (post.containsKey("indexdump")) {
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try {
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final File dump = segment.fulltext().dumpEmbeddedSolr();
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prop.put("indexdump", 1);
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prop.put("indexdump_dumpfile", dump.getAbsolutePath());
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dumpFiles = segment.fulltext().dumpFiles();
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prop.put("dumprestore_dumpfile", dumpFiles.size() == 0 ? "" : dumpFiles.get(dumpFiles.size() - 1).getAbsolutePath());
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// sb.tables.recordAPICall(post, "IndexExport_p.html", WorkTables.TABLE_API_TYPE_STEERING, "solr dump generation");
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} catch(final SolrException e) {
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if(ErrorCode.SERVICE_UNAVAILABLE.code == e.code()) {
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prop.put("indexdump", 2);
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} else {
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prop.put("indexdump", 3);
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}
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}
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}
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if (post.containsKey("indexrestore")) {
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try {
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final File dump = new File(post.get("dumpfile", ""));
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segment.fulltext().restoreEmbeddedSolr(dump);
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prop.put("indexRestore", 1);
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} catch(final SolrException e) {
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if(ErrorCode.SERVICE_UNAVAILABLE.code == e.code()) {
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prop.put("indexRestore", 2);
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} else {
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prop.put("indexRestore", 3);
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}
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}
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}
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// insert constants
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prop.putNum("ucount", ucount);
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// return rewrite properties
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return prop;
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}
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} |