Current File : //proc/309157/task/309157/root/home/waritko/yacy/htroot/IndexExport_p.java
// IndexExport_p.java
// -----------------------
// (C) 2004-2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 2004 on http://yacy.net
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// LICENSE
//
// 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
import java.io.File;
import java.io.IOException;
import java.util.List;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.SolrException.ErrorCode;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.data.WorkTables;
import net.yacy.search.Switchboard;
import net.yacy.search.SwitchboardConstants;
import net.yacy.search.index.Fulltext;
import net.yacy.search.index.Segment;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
public class IndexExport_p {
public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
// return variable that accumulates replacements
final Switchboard sb = (Switchboard) env;
final serverObjects prop = new serverObjects();
Segment segment = sb.index;
long ucount = segment.fulltext().collectionSize();
// set default values
prop.put("otherHosts", "");
prop.put("reload", 0);
prop.put("indexdump", 0);
prop.put("indexRestore", 0);
prop.put("lurlexport", 0);
prop.put("reload", 0);
prop.put("dumprestore", 1);
prop.put("dumprestore_dumpRestoreEnabled", sb.getConfigBool(SwitchboardConstants.CORE_SERVICE_FULLTEXT,
SwitchboardConstants.CORE_SERVICE_FULLTEXT_DEFAULT));
List<File> dumpFiles = segment.fulltext().dumpFiles();
prop.put("dumprestore_dumpfile", dumpFiles.size() == 0 ? "" : dumpFiles.get(dumpFiles.size() - 1).getAbsolutePath());
prop.put("dumprestore_optimizemax", 10);
prop.putNum("ucount", ucount);
// show export messages
Fulltext.Export export = segment.fulltext().export();
if ((export != null) && (export.isAlive())) {
// there is currently a running export
prop.put("lurlexport", 2);
prop.put("lurlexportfinished", 0);
prop.put("lurlexporterror", 0);
prop.put("lurlexport_exportfile", export.file().toString());
prop.put("lurlexport_urlcount", export.count());
prop.put("reload", 1);
} else {
prop.put("lurlexport", 1);
prop.put("lurlexport_exportfilepath", sb.getDataPath() + "/DATA/EXPORT/");
if (export == null) {
// there has never been an export
prop.put("lurlexportfinished", 0);
prop.put("lurlexporterror", 0);
} else {
// an export was running but has finished
prop.put("lurlexportfinished", 1);
prop.put("lurlexportfinished_exportfile", export.file().toString());
prop.put("lurlexportfinished_urlcount", export.count());
if (export.failed() == null) {
prop.put("lurlexporterror", 0);
} else {
prop.put("lurlexporterror", 1);
prop.put("lurlexporterror_exportfile", export.file().toString());
prop.put("lurlexporterror_exportfailmsg", export.failed());
}
}
}
if (post == null || env == null) {
return prop; // nothing to do
}
if (post.containsKey("lurlexport")) {
// parse format
Fulltext.ExportFormat format = Fulltext.ExportFormat.text;
final String fname = post.get("format", "url-text");
final boolean dom = fname.startsWith("dom"); // if dom== false complete urls are exported, otherwise only the domain
final boolean text = fname.startsWith("text");
if (fname.endsWith("text")) format = Fulltext.ExportFormat.text;
if (fname.endsWith("html")) format = Fulltext.ExportFormat.html;
if (fname.endsWith("rss")) format = Fulltext.ExportFormat.rss;
if (fname.endsWith("solr")) format = Fulltext.ExportFormat.solr;
if (fname.endsWith("elasticsearch")) format = Fulltext.ExportFormat.elasticsearch;
final String filter = post.get("exportfilter", ".*");
final String query = post.get("exportquery", "*:*");
final int maxseconds = post.getInt("exportmaxseconds", -1);
final String path = post.get("exportfilepath", "");
// 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
if (maxseconds != -1) sb.tables.recordAPICall(post, "IndexExport_p.html", WorkTables.TABLE_API_TYPE_DUMP, format + "-dump, q=" + query + ", maxseconds=" + maxseconds);
// start the export
try {
export = sb.index.fulltext().export(format, filter, query, maxseconds, new File(path), dom, text);
} catch (IOException e) {
prop.put("lurlexporterror", 1);
prop.put("lurlexporterror_exportfile", "-no export-");
prop.put("lurlexporterror_exportfailmsg", e.getMessage());
return prop;
}
// show result
prop.put("lurlexport_exportfile", export.file().toString());
prop.put("lurlexport_urlcount", export.count());
if ((export != null) && (export.failed() == null)) {
prop.put("lurlexport", 2);
}
prop.put("reload", 1);
}
if (post.containsKey("indexdump")) {
try {
final File dump = segment.fulltext().dumpEmbeddedSolr();
prop.put("indexdump", 1);
prop.put("indexdump_dumpfile", dump.getAbsolutePath());
dumpFiles = segment.fulltext().dumpFiles();
prop.put("dumprestore_dumpfile", dumpFiles.size() == 0 ? "" : dumpFiles.get(dumpFiles.size() - 1).getAbsolutePath());
// sb.tables.recordAPICall(post, "IndexExport_p.html", WorkTables.TABLE_API_TYPE_STEERING, "solr dump generation");
} catch(final SolrException e) {
if(ErrorCode.SERVICE_UNAVAILABLE.code == e.code()) {
prop.put("indexdump", 2);
} else {
prop.put("indexdump", 3);
}
}
}
if (post.containsKey("indexrestore")) {
try {
final File dump = new File(post.get("dumpfile", ""));
segment.fulltext().restoreEmbeddedSolr(dump);
prop.put("indexRestore", 1);
} catch(final SolrException e) {
if(ErrorCode.SERVICE_UNAVAILABLE.code == e.code()) {
prop.put("indexRestore", 2);
} else {
prop.put("indexRestore", 3);
}
}
}
// insert constants
prop.putNum("ucount", ucount);
// return rewrite properties
return prop;
}
}
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