yacy_search_server/htroot/yacysearch.java
orbiter 171f2bd84e - removed unused network oanet
- added new network definition 'allip' which can be used in networks where intranet and internet-addresses shall be indexed
- added a auto-switch-off for global search if there are no global peers

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7030 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-08-09 23:41:17 +00:00

737 lines
41 KiB
Java

// yacysearch.java
// -----------------------
// part of the AnomicHTTPD caching proxy
// (C) by Michael Peter Christen; mc@yacy.net
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
// 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
//
// You must compile this file with
// javac -classpath .:../classes yacysearch.java
// if the shell's current path is HTROOT
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.TreeSet;
import net.yacy.cora.document.RSSMessage;
import net.yacy.document.Condenser;
import net.yacy.document.Document;
import net.yacy.document.Parser;
import net.yacy.document.geolocalization.Location;
import net.yacy.kelondro.data.meta.DigestURI;
import net.yacy.kelondro.data.meta.URIMetadataRow;
import net.yacy.kelondro.data.word.Word;
import net.yacy.kelondro.index.HandleSet;
import net.yacy.kelondro.logging.Log;
import net.yacy.kelondro.order.Bitfield;
import net.yacy.kelondro.util.Domains;
import net.yacy.kelondro.util.EventTracker;
import net.yacy.kelondro.util.Formatter;
import net.yacy.kelondro.util.MemoryControl;
import net.yacy.kelondro.util.SetTools;
import net.yacy.kelondro.util.ISO639;
import de.anomic.crawler.CrawlProfile;
import de.anomic.data.DidYouMean;
import de.anomic.data.LibraryProvider;
import de.anomic.http.server.HeaderFramework;
import de.anomic.http.server.RequestHeader;
import de.anomic.search.ContentDomain;
import de.anomic.search.QueryParams;
import de.anomic.search.RankingProfile;
import de.anomic.search.SearchEvent;
import de.anomic.search.SearchEventCache;
import de.anomic.search.Segment;
import de.anomic.search.Segments;
import de.anomic.search.Switchboard;
import de.anomic.search.SwitchboardConstants;
import de.anomic.server.serverCore;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyNewsPool;
import de.anomic.yacy.graphics.ProfilingGraph;
import de.anomic.yacy.yacyChannel;
public class yacysearch {
public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
final Switchboard sb = (Switchboard) env;
sb.localSearchLastAccess = System.currentTimeMillis();
final boolean searchAllowed = sb.getConfigBool("publicSearchpage", true) || sb.verifyAuthentication(header, false);
final boolean authenticated = sb.adminAuthenticated(header) >= 2;
int display = (post == null) ? 0 : post.getInt("display", 0);
if (!authenticated) display = 2;
// display == 0: shop top menu
// display == 1: show top and left menu
// display == 2: do not show any menu
final boolean browserPopUpTrigger = sb.getConfig(SwitchboardConstants.BROWSER_POP_UP_TRIGGER, "true").equals("true");
if (browserPopUpTrigger) {
final String browserPopUpPage = sb.getConfig(SwitchboardConstants.BROWSER_POP_UP_PAGE, "ConfigBasic.html");
if (browserPopUpPage.startsWith("index") || browserPopUpPage.startsWith("yacysearch")) display = 2;
}
String promoteSearchPageGreeting = env.getConfig(SwitchboardConstants.GREETING, "");
if (env.getConfigBool(SwitchboardConstants.GREETING_NETWORK_NAME, false)) promoteSearchPageGreeting = env.getConfig("network.unit.description", "");
final String client = header.get(HeaderFramework.CONNECTION_PROP_CLIENTIP); // the search client who initiated the search
// get query
String originalquerystring = (post == null) ? "" : post.get("query", post.get("search", "")).trim();
String querystring = originalquerystring.replace('+', ' ');
CrawlProfile.CacheStrategy snippetFetchStrategy = (post != null && post.get("verify", "false").equals("true")) ? CrawlProfile.CacheStrategy.IFEXIST : CrawlProfile.CacheStrategy.parse(post.get("verify", "cacheonly"));
if (snippetFetchStrategy == null) snippetFetchStrategy = CrawlProfile.CacheStrategy.CACHEONLY;
final serverObjects prop = new serverObjects();
// get segment
Segment indexSegment = null;
if (post != null && post.containsKey("segment")) {
String segmentName = post.get("segment");
if (sb.indexSegments.segmentExist(segmentName)) {
indexSegment = sb.indexSegments.segment(segmentName);
}
} else {
// take default segment
indexSegment = sb.indexSegments.segment(Segments.Process.PUBLIC);
}
//final boolean rss = (post == null) ? false : post.get("rss", "false").equals("true");
prop.put("promoteSearchPageGreeting", promoteSearchPageGreeting);
prop.put("promoteSearchPageGreeting.homepage", sb.getConfig(SwitchboardConstants.GREETING_HOMEPAGE, ""));
prop.put("promoteSearchPageGreeting.smallImage", sb.getConfig(SwitchboardConstants.GREETING_SMALL_IMAGE, ""));
if (post == null || indexSegment == null || env == null || !searchAllowed) {
// we create empty entries for template strings
prop.put("searchagain", "0");
prop.put("display", display);
prop.put("former", "");
prop.put("count", "10");
prop.put("offset", "0");
prop.put("resource", "global");
prop.put("urlmaskfilter", (post == null) ? ".*" : post.get("urlmaskfilter", ".*"));
prop.put("prefermaskfilter", (post == null) ? "" : post.get("prefermaskfilter", ""));
prop.put("tenant", (post == null) ? "" : post.get("tenant", ""));
prop.put("indexof", "off");
prop.put("constraint", "");
prop.put("cat", "href");
prop.put("depth", "0");
prop.put("verify", (post == null) ? "true" : post.get("verify", "true"));
prop.put("contentdom", "text");
prop.put("contentdomCheckText", "1");
prop.put("contentdomCheckAudio", "0");
prop.put("contentdomCheckVideo", "0");
prop.put("contentdomCheckImage", "0");
prop.put("contentdomCheckApp", "0");
prop.put("excluded", "0");
prop.put("results", "");
prop.put("resultTable", "0");
prop.put("num-results", searchAllowed ? "0" : "4");
prop.put("num-results_totalcount", 0);
prop.put("num-results_offset", 0);
prop.put("num-results_itemsPerPage", 10);
prop.put("geoinfo", "0");
prop.put("rss_queryenc", "");
prop.put("meanCount", 5);
return prop;
}
// check for JSONP
if (post.containsKey("callback")) {
final String jsonp = post.get("callback")+ "([";
prop.put("jsonp-start", jsonp);
prop.put("jsonp-end", "])");
} else {
prop.put("jsonp-start", "");
prop.put("jsonp-end", "");
}
// collect search attributes
boolean newsearch = post.hasValue("query") && post.hasValue("former") && !post.get("query","").equalsIgnoreCase(post.get("former","")); //new search term
int itemsPerPage = Math.min((authenticated) ? (snippetFetchStrategy.isAllowedToFetchOnline() ? 100 : 1000) : (snippetFetchStrategy.isAllowedToFetchOnline() ? 10 : 100), post.getInt("maximumRecords", post.getInt("count", 10))); // SRU syntax with old property as alternative
int offset = (newsearch) ? 0 : post.getInt("startRecord", post.getInt("offset", 0));
boolean global = post.get("resource", "local").equals("global") && sb.peers.sizeConnected() > 0;
final boolean indexof = (post != null && post.get("indexof","").equals("on"));
String urlmask = null;
String originalUrlMask = null;
if (post.containsKey("urlmask") && post.get("urlmask").equals("no")) { // option search all
originalUrlMask = ".*";
} else if (!newsearch && post.containsKey("urlmaskfilter")) {
originalUrlMask = post.get("urlmaskfilter", ".*");
} else {
originalUrlMask = ".*";
}
String prefermask = (post == null) ? "" : post.get("prefermaskfilter", "");
if (prefermask.length() > 0 && prefermask.indexOf(".*") < 0) prefermask = ".*" + prefermask + ".*";
Bitfield constraint = (post != null && post.containsKey("constraint") && post.get("constraint", "").length() > 0) ? new Bitfield(4, post.get("constraint", "______")) : null;
if (indexof) {
constraint = new Bitfield(4);
constraint.set(Condenser.flag_cat_indexof, true);
}
// SEARCH
final boolean indexReceiveGranted = sb.getConfigBool(SwitchboardConstants.INDEX_RECEIVE_ALLOW, true) ||
sb.getConfigBool(SwitchboardConstants.INDEX_RECEIVE_AUTODISABLED, true);
global = global && indexReceiveGranted; // if the user does not want indexes from remote peers, it cannot be a global search
//final boolean offline = yacyCore.seedDB.mySeed().isVirgin();
final boolean clustersearch = sb.isRobinsonMode() &&
(sb.getConfig("cluster.mode", "").equals("privatecluster") ||
sb.getConfig("cluster.mode", "").equals("publiccluster"));
//if (offline || !indexDistributeGranted || !indexReceiveGranted) { global = false; }
if (clustersearch) global = true; // switches search on, but search target is limited to cluster nodes
// increase search statistic counter
if (!global) {
// we count only searches on the local peer here, because global searches
// are counted on the target peer to preserve privacy of the searcher
if (authenticated) {
// local or authenticated search requests are counted separately
// because they are not part of a public available peer statistic
sb.searchQueriesRobinsonFromLocal++;
} else {
// robinson-searches from non-authenticated requests are public
// and may be part of the public available statistic
sb.searchQueriesRobinsonFromRemote++;
}
}
// find search domain
final ContentDomain contentdom = ContentDomain.contentdomParser(post == null ? "text" : post.get("contentdom", "text"));
// patch until better search profiles are available
if ((contentdom != ContentDomain.TEXT) && (itemsPerPage <= 32)) itemsPerPage = 64;
// check the search tracker
TreeSet<Long> trackerHandles = sb.localSearchTracker.get(client);
if (trackerHandles == null) trackerHandles = new TreeSet<Long>();
boolean block = false;
if (Domains.matchesList(client, sb.networkBlacklist)) {
global = false;
snippetFetchStrategy = CrawlProfile.CacheStrategy.CACHEONLY;
block = true;
Log.logWarning("LOCAL_SEARCH", "ACCECC CONTROL: BLACKLISTED CLIENT FROM " + client + " gets no permission to search");
} else if (Domains.matchesList(client, sb.networkWhitelist)) {
Log.logInfo("LOCAL_SEARCH", "ACCECC CONTROL: WHITELISTED CLIENT FROM " + client + " gets no search restrictions");
} else if (global || snippetFetchStrategy.isAllowedToFetchOnline()) {
// in case that we do a global search or we want to fetch snippets, we check for DoS cases
synchronized (trackerHandles) {
int accInOneSecond = trackerHandles.tailSet(Long.valueOf(System.currentTimeMillis() - 1000)).size();
int accInThreeSeconds = trackerHandles.tailSet(Long.valueOf(System.currentTimeMillis() - 3000)).size();
int accInOneMinute = trackerHandles.tailSet(Long.valueOf(System.currentTimeMillis() - 60000)).size();
int accInTenMinutes = trackerHandles.tailSet(Long.valueOf(System.currentTimeMillis() - 600000)).size();
if (accInTenMinutes > 600) {
global = false;
snippetFetchStrategy = CrawlProfile.CacheStrategy.CACHEONLY;
block = true;
Log.logWarning("LOCAL_SEARCH", "ACCECC CONTROL: CLIENT FROM " + client + ": " + accInTenMinutes + " searches in ten minutes, fully blocked (no results generated)");
} else if (accInOneMinute > 200) {
global = false;
snippetFetchStrategy = CrawlProfile.CacheStrategy.CACHEONLY;
block = true;
Log.logWarning("LOCAL_SEARCH", "ACCECC CONTROL: CLIENT FROM " + client + ": " + accInOneMinute + " searches in one minute, fully blocked (no results generated)");
} else if (accInThreeSeconds > 1) {
global = false;
snippetFetchStrategy = CrawlProfile.CacheStrategy.CACHEONLY;
Log.logWarning("LOCAL_SEARCH", "ACCECC CONTROL: CLIENT FROM " + client + ": " + accInThreeSeconds + " searches in three seconds, blocked global search and snippets");
} else if (accInOneSecond > 2) {
global = false;
snippetFetchStrategy = CrawlProfile.CacheStrategy.CACHEONLY;
Log.logWarning("LOCAL_SEARCH", "ACCECC CONTROL: CLIENT FROM " + client + ": " + accInOneSecond + " searches in one second, blocked global search and snippets");
}
}
}
if ((!block) && (post == null || post.get("cat", "href").equals("href"))) {
// check available memory and clean up if necessary
if (!MemoryControl.request(8000000L, false)) {
indexSegment.urlMetadata().clearCache();
SearchEventCache.cleanupEvents(true);
}
final RankingProfile ranking = sb.getRanking();
if (querystring.indexOf("NEAR") >= 0) {
querystring = querystring.replace("NEAR", "");
ranking.coeff_worddistance = RankingProfile.COEFF_MAX;
}
if (querystring.indexOf("RECENT") >= 0) {
querystring = querystring.replace("RECENT", "");
ranking.coeff_date = RankingProfile.COEFF_MAX;
}
int lrp = querystring.indexOf("LANGUAGE:");
String lr = "";
if (lrp >= 0) {
if (querystring.length() >= (lrp + 11))
lr = querystring.substring(lrp + 9, lrp + 11);
querystring = querystring.replace("LANGUAGE:" + lr, "");
lr = lr.toLowerCase();
}
int inurl = querystring.indexOf("inurl:");
if (inurl >= 0) {
int ftb = querystring.indexOf(' ', inurl);
if (ftb == -1) ftb = querystring.length();
String urlstr = querystring.substring(inurl + 6, ftb);
querystring = querystring.replace("inurl:" + urlstr, "");
if(urlstr.length() > 0) urlmask = ".*" + urlstr + ".*";
}
int filetype = querystring.indexOf("filetype:");
if (filetype >= 0) {
int ftb = querystring.indexOf(' ', filetype);
if (ftb == -1) ftb = querystring.length();
String ft = querystring.substring(filetype + 9, ftb);
querystring = querystring.replace("filetype:" + ft, "");
while (ft.length() > 0 && ft.charAt(0) == '.') ft = ft.substring(1);
if(ft.length() > 0) {
if (urlmask == null) {
urlmask = ".*\\." + ft;
} else {
urlmask = urlmask + ".*\\." + ft;
}
}
}
String tenant = null;
if (post.containsKey("tenant")) {
tenant = post.get("tenant");
if (tenant != null && tenant.length() == 0) tenant = null;
if (tenant != null) {
if (urlmask == null) urlmask = ".*" + tenant + ".*"; else urlmask = ".*" + tenant + urlmask;
}
}
int site = querystring.indexOf("site:");
String sitehash = null;
String sitehost = null;
if (site >= 0) {
int ftb = querystring.indexOf(' ', site);
if (ftb == -1) ftb = querystring.length();
sitehost = querystring.substring(site + 5, ftb);
querystring = querystring.replace("site:" + sitehost, "");
while (sitehost.length() > 0 && sitehost.charAt(0) == '.') sitehost = sitehost.substring(1);
while (sitehost.endsWith(".")) sitehost = sitehost.substring(0, sitehost.length() - 1);
sitehash = DigestURI.domhash(sitehost);
}
int heuristic = querystring.indexOf("heuristic:scroogle");
if (heuristic >= 0) {
querystring = querystring.replace("heuristic:scroogle", "");
}
int authori = querystring.indexOf("author:");
String authorhash = null;
if (authori >= 0) {
// check if the author was given with single quotes or without
boolean quotes = false;
if (querystring.charAt(authori + 7) == (char) 39) {
quotes = true;
}
String author;
if (quotes) {
int ftb = querystring.indexOf((char) 39, authori + 8);
if (ftb == -1) ftb = querystring.length() + 1;
author = querystring.substring(authori + 8, ftb);
querystring = querystring.replace("author:'" + author + "'", "");
} else {
int ftb = querystring.indexOf(' ', authori);
if (ftb == -1) ftb = querystring.length();
author = querystring.substring(authori + 7, ftb);
querystring = querystring.replace("author:" + author, "");
}
authorhash = new String(Word.word2hash(author));
}
int tld = querystring.indexOf("tld:");
if (tld >= 0) {
int ftb = querystring.indexOf(' ', tld);
if (ftb == -1) ftb = querystring.length();
String domain = querystring.substring(tld + 4, ftb);
querystring = querystring.replace("tld:" + domain, "");
while (domain.length() > 0 && domain.charAt(0) == '.') domain = domain.substring(1);
if (domain.indexOf('.') < 0) domain = "\\." + domain; // is tld
if (domain.length() > 0) {
if (urlmask == null) {
urlmask = "[a-zA-Z]*://[^/]*" + domain + "/.*";
} else {
urlmask = "[a-zA-Z]*://[^/]*" + domain + "/.*" + urlmask;
}
}
}
if (urlmask == null || urlmask.length() == 0) urlmask = originalUrlMask; //if no urlmask was given
// read the language from the language-restrict option 'lr'
// if no one is given, use the user agent or the system language as default
String language = (post == null) ? lr : post.get("lr", lr);
if (language.startsWith("lang_")) language = language.substring(5);
if (!ISO639.exists(language)) {
// find out language of the user by reading of the user-agent string
String agent = header.get(HeaderFramework.ACCEPT_LANGUAGE);
if (agent == null) agent = System.getProperty("user.language");
language = (agent == null) ? "en" : ISO639.userAgentLanguageDetection(agent);
if (language == null) language = "en";
}
// navigation
String navigation = (post == null) ? "" : post.get("nav", "");
// the query
final TreeSet<String>[] query = QueryParams.cleanQuery(querystring.trim()); // converts also umlaute
int maxDistance = (querystring.indexOf('"') >= 0) ? maxDistance = query.length - 1 : Integer.MAX_VALUE;
// filter out stopwords
final TreeSet<String> filtered = SetTools.joinConstructive(query[0], Switchboard.stopwords);
if (!filtered.isEmpty()) {
SetTools.excludeDestructive(query[0], Switchboard.stopwords);
}
// if a minus-button was hit, remove a special reference first
if (post != null && post.containsKey("deleteref")) try {
if (!sb.verifyAuthentication(header, true)) {
prop.put("AUTHENTICATE", "admin log-in"); // force log-in
return prop;
}
// delete the index entry locally
final String delHash = post.get("deleteref", ""); // urlhash
indexSegment.termIndex().remove(Word.words2hashesHandles(query[0]), delHash.getBytes());
// make new news message with negative voting
final HashMap<String, String> map = new HashMap<String, String>();
map.put("urlhash", delHash);
map.put("vote", "negative");
map.put("refid", "");
sb.peers.newsPool.publishMyNews(sb.peers.mySeed(), yacyNewsPool.CATEGORY_SURFTIPP_VOTE_ADD, map);
} catch (IOException e) {
Log.logException(e);
}
// if a plus-button was hit, create new voting message
if (post != null && post.containsKey("recommendref")) {
if (!sb.verifyAuthentication(header, true)) {
prop.put("AUTHENTICATE", "admin log-in"); // force log-in
return prop;
}
final String recommendHash = post.get("recommendref", ""); // urlhash
final URIMetadataRow urlentry = indexSegment.urlMetadata().load(recommendHash.getBytes(), null, 0);
if (urlentry != null) {
final URIMetadataRow.Components metadata = urlentry.metadata();
Document[] documents = null;
try {
documents = sb.loader.loadDocuments(sb.loader.request(metadata.url(), true, false), CrawlProfile.CacheStrategy.IFEXIST, 5000, Long.MAX_VALUE);
} catch (IOException e) {
} catch (Parser.Failure e) {
}
if (documents != null) {
// create a news message
final HashMap<String, String> map = new HashMap<String, String>();
map.put("url", metadata.url().toNormalform(false, true).replace(',', '|'));
map.put("title", metadata.dc_title().replace(',', ' '));
map.put("description", documents[0].dc_title().replace(',', ' '));
map.put("author", documents[0].dc_creator());
map.put("tags", documents[0].dc_subject(' '));
sb.peers.newsPool.publishMyNews(sb.peers.mySeed(), yacyNewsPool.CATEGORY_SURFTIPP_ADD, map);
documents[0].close();
}
}
}
// prepare search properties
//final boolean yacyonline = ((sb.webIndex.seedDB != null) && (sb.webIndex.seedDB.mySeed() != null) && (sb.webIndex.seedDB.mySeed().getPublicAddress() != null));
final boolean globalsearch = (global) && indexReceiveGranted; /* && (yacyonline)*/
// do the search
final HandleSet queryHashes = Word.words2hashesHandles(query[0]);
final QueryParams theQuery = new QueryParams(
originalquerystring,
queryHashes,
Word.words2hashesHandles(query[1]),
Word.words2hashesHandles(query[2]),
tenant,
maxDistance,
prefermask,
contentdom,
language,
navigation,
snippetFetchStrategy,
itemsPerPage,
offset,
urlmask,
(clustersearch && globalsearch) ? QueryParams.SEARCHDOM_CLUSTERALL :
((globalsearch) ? QueryParams.SEARCHDOM_GLOBALDHT : QueryParams.SEARCHDOM_LOCAL),
20,
constraint,
true,
sitehash,
authorhash,
DigestURI.TLD_any_zone_filter,
client,
authenticated,
indexSegment,
ranking);
EventTracker.update("SEARCH", new ProfilingGraph.searchEvent(theQuery.id(true), SearchEvent.INITIALIZATION, 0, 0), false, 30000, ProfilingGraph.maxTime);
// tell all threads to do nothing for a specific time
sb.intermissionAllThreads(3000);
// filter out words that appear in bluelist
theQuery.filterOut(Switchboard.blueList);
// log
Log.logInfo("LOCAL_SEARCH", "INIT WORD SEARCH: " + theQuery.queryString + ":" + QueryParams.hashSet2hashString(theQuery.queryHashes) + " - " + theQuery.neededResults() + " links to be computed, " + theQuery.displayResults() + " lines to be displayed");
yacyChannel.channels(yacyChannel.LOCALSEARCH).addMessage(new RSSMessage("Local Search Request", theQuery.queryString, ""));
final long timestamp = System.currentTimeMillis();
// create a new search event
if (SearchEventCache.getEvent(theQuery.id(false)) == null) {
theQuery.setOffset(0); // in case that this is a new search, always start without a offset
offset = 0;
}
final SearchEvent theSearch = SearchEventCache.getEvent(theQuery, sb.peers, sb.crawlResults, (sb.isRobinsonMode()) ? sb.clusterhashes : null, false, sb.loader);
try {Thread.sleep(global ? 100 : 10);} catch (InterruptedException e1) {} // wait a little time to get first results in the search
if (sitehost != null && sb.getConfigBool("heuristic.site", false) && authenticated) sb.heuristicSite(theSearch, sitehost);
if ((heuristic >= 0 || sb.getConfigBool("heuristic.scroogle", false)) && authenticated) sb.heuristicScroogle(theSearch);
// generate result object
//serverLog.logFine("LOCAL_SEARCH", "SEARCH TIME AFTER ORDERING OF SEARCH RESULTS: " + (System.currentTimeMillis() - timestamp) + " ms");
//serverLog.logFine("LOCAL_SEARCH", "SEARCH TIME AFTER RESULT PREPARATION: " + (System.currentTimeMillis() - timestamp) + " ms");
// calc some more cross-reference
//serverLog.logFine("LOCAL_SEARCH", "SEARCH TIME AFTER XREF PREPARATION: " + (System.currentTimeMillis() - timestamp) + " ms");
// log
Log.logInfo("LOCAL_SEARCH", "EXIT WORD SEARCH: " + theQuery.queryString + " - " +
(theSearch.getRankingResult().getLocalIndexCount() + theSearch.getRankingResult().getRemoteResourceSize()) + " links found, " +
(System.currentTimeMillis() - timestamp) + " ms");
// prepare search statistics
theQuery.resultcount = theSearch.getRankingResult().getLocalIndexCount() + theSearch.getRankingResult().getRemoteResourceSize();
theQuery.searchtime = System.currentTimeMillis() - timestamp;
theQuery.urlretrievaltime = theSearch.result().getURLRetrievalTime();
theQuery.snippetcomputationtime = theSearch.result().getSnippetComputationTime();
sb.localSearches.add(theQuery);
// check suggestions
int meanMax = 0;
if (post != null && post.containsKey("meanCount")) {
try {
meanMax = Integer.parseInt(post.get("meanCount"));
} catch (NumberFormatException e) {}
}
prop.put("meanCount", meanMax);
if (meanMax > 0) {
DidYouMean didYouMean = new DidYouMean(indexSegment.termIndex());
Iterator<String> meanIt = didYouMean.getSuggestions(querystring, 300, 10).iterator();
int meanCount = 0;
String suggestion;
while(meanCount<meanMax && meanIt.hasNext()) {
suggestion = meanIt.next();
prop.put("didYouMean_suggestions_"+meanCount+"_word", suggestion);
prop.put("didYouMean_suggestions_"+meanCount+"_url",
"/yacysearch.html" + "?display=" + display +
"&query=" + suggestion +
"&maximumRecords="+ theQuery.displayResults() +
"&startRecord=" + (0 * theQuery.displayResults()) +
"&resource=" + ((theQuery.isLocal()) ? "local" : "global") +
"&verify=" + (theQuery.snippetCacheStrategy.mustBeOffline() ? "false" : "true") +
"&nav=" + theQuery.navigators +
"&urlmaskfilter=" + originalUrlMask.toString() +
"&prefermaskfilter=" + theQuery.prefer.toString() +
"&cat=href&amp;constraint=" + ((theQuery.constraint == null) ? "" : theQuery.constraint.exportB64()) +
"&contentdom=" + theQuery.contentdom() +
"&former=" + theQuery.queryString(true) +
"&meanCount=" + meanMax
);
prop.put("didYouMean_suggestions_"+meanCount+"_sep","|");
meanCount++;
}
prop.put("didYouMean_suggestions_"+(meanCount-1)+"_sep","");
prop.put("didYouMean", meanCount>0 ? 1:0);
prop.put("didYouMean_suggestions", meanCount);
} else {
prop.put("didYouMean", 0);
}
// find geographic info
TreeSet<Location> coordinates = LibraryProvider.geoLoc.find(originalquerystring, false);
if (coordinates == null || coordinates.isEmpty() || offset > 0) {
prop.put("geoinfo", "0");
} else {
int i = 0;
for (Location c: coordinates) {
prop.put("geoinfo_loc_" + i + "_lon", Math.round(c.lon() * 10000.0) / 10000.0);
prop.put("geoinfo_loc_" + i + "_lat", Math.round(c.lat() * 10000.0) / 10000.0);
prop.put("geoinfo_loc_" + i + "_name", c.getName());
i++;
if (i >= 10) break;
}
prop.put("geoinfo_loc", i);
prop.put("geoinfo", "1");
}
// update the search tracker
try {
synchronized (trackerHandles) {
trackerHandles.add(theQuery.handle);
while (trackerHandles.size() > 600) if (!trackerHandles.remove(trackerHandles.first())) break;
}
sb.localSearchTracker.put(client, trackerHandles);
if (sb.localSearchTracker.size() > 1000) sb.localSearchTracker.remove(sb.localSearchTracker.keys().nextElement());
} catch (Exception e) {
Log.logException(e);
}
prop.put("num-results_offset", offset);
prop.put("num-results_itemscount", Formatter.number(0, true));
prop.put("num-results_itemsPerPage", itemsPerPage);
prop.put("num-results_totalcount", Formatter.number(theSearch.getRankingResult().getLocalIndexCount() + theSearch.getRankingResult().getRemoteResourceSize(), true));
prop.put("num-results_globalresults", (globalsearch) ? "1" : "0");
prop.put("num-results_globalresults_localResourceSize", Formatter.number(theSearch.getRankingResult().getLocalIndexCount(), true));
prop.put("num-results_globalresults_remoteResourceSize", Formatter.number(theSearch.getRankingResult().getRemoteResourceSize(), true));
prop.put("num-results_globalresults_remoteIndexCount", Formatter.number(theSearch.getRankingResult().getRemoteIndexCount(), true));
prop.put("num-results_globalresults_remotePeerCount", Formatter.number(theSearch.getRankingResult().getRemotePeerCount(), true));
// compose page navigation
final StringBuilder resnav = new StringBuilder();
final int thispage = offset / theQuery.displayResults();
if (thispage == 0) {
resnav.append("<img src=\"env/grafics/navdl.gif\" alt=\"arrowleft\" width=\"16\" height=\"16\" />&nbsp;");
} else {
resnav.append("<a href=\"");
resnav.append(QueryParams.navurl("html", thispage - 1, display, theQuery, originalUrlMask, null, navigation));
resnav.append("\"><img src=\"env/grafics/navdl.gif\" alt=\"arrowleft\" width=\"16\" height=\"16\" /></a>&nbsp;");
}
final int numberofpages = Math.min(10, Math.max(1 + thispage, 1 + ((theSearch.getRankingResult().getLocalIndexCount() < 11) ? Math.max(30, theSearch.getRankingResult().getLocalResourceSize() + theSearch.getRankingResult().getRemoteResourceSize()) : theSearch.getRankingResult().getLocalIndexCount()) / theQuery.displayResults()));
for (int i = 0; i < numberofpages; i++) {
if (i == thispage) {
resnav.append("<img src=\"env/grafics/navs");
resnav.append(i + 1);
resnav.append(".gif\" alt=\"page");
resnav.append(i + 1);
resnav.append("\" width=\"16\" height=\"16\" />&nbsp;");
} else {
resnav.append("<a href=\"");
resnav.append(QueryParams.navurl("html", i, display, theQuery, originalUrlMask, null, navigation));
resnav.append("\"><img src=\"env/grafics/navd");
resnav.append(i + 1);
resnav.append(".gif\" alt=\"page");
resnav.append(i + 1);
resnav.append("\" width=\"16\" height=\"16\" /></a>&nbsp;");
}
}
if (thispage >= numberofpages) {
resnav.append("<img src=\"env/grafics/navdr.gif\" alt=\"arrowright\" width=\"16\" height=\"16\" />");
} else {
resnav.append("<a href=\"");
resnav.append(QueryParams.navurl("html", thispage + 1, display, theQuery, originalUrlMask, null, navigation));
resnav.append("\"><img src=\"env/grafics/navdr.gif\" alt=\"arrowright\" width=\"16\" height=\"16\" /></a>");
}
String resnavs = resnav.toString();
prop.put("num-results_resnav", resnavs);
prop.put("pageNavBottom", (theSearch.getRankingResult().getLocalIndexCount() - offset > 6) ? 1 : 0); // if there are more results than may fit on the page we add a navigation at the bottom
prop.put("pageNavBottom_resnav", resnavs);
// generate the search result lines; the content will be produced by another servlet
for (int i = 0; i < theQuery.displayResults(); i++) {
prop.put("results_" + i + "_item", offset + i);
prop.put("results_" + i + "_eventID", theQuery.id(false));
prop.put("results_" + i + "_display", display);
}
prop.put("results", theQuery.displayResults());
prop.put("resultTable", (contentdom == ContentDomain.APP || contentdom == ContentDomain.AUDIO || contentdom == ContentDomain.VIDEO) ? 1 : 0);
prop.put("eventID", theQuery.id(false)); // for bottomline
// process result of search
if (!filtered.isEmpty()) {
prop.put("excluded", "1");
prop.putHTML("excluded_stopwords", filtered.toString());
} else {
prop.put("excluded", "0");
}
if (prop == null || prop.isEmpty()) {
if (post == null || post.get("query", post.get("search", "")).length() < 3) {
prop.put("num-results", "2"); // no results - at least 3 chars
} else {
prop.put("num-results", "1"); // no results
}
} else {
prop.put("num-results", "3");
}
prop.put("cat", "href");
prop.put("depth", "0");
// adding some additional properties needed for the rss feed
String hostName = header.get("Host", "localhost");
if (hostName.indexOf(':') == -1) hostName += ":" + serverCore.getPortNr(env.getConfig("port", "8080"));
prop.put("searchBaseURL", "http://" + hostName + "/yacysearch.html");
prop.put("rssYacyImageURL", "http://" + hostName + "/env/grafics/yacy.gif");
}
prop.put("searchagain", global ? "1" : "0");
prop.put("display", display);
prop.putHTML("former", originalquerystring);
prop.put("count", itemsPerPage);
prop.put("offset", offset);
prop.put("resource", global ? "global" : "local");
prop.putHTML("urlmaskfilter", originalUrlMask);
prop.putHTML("prefermaskfilter", prefermask);
prop.put("indexof", (indexof) ? "on" : "off");
prop.put("constraint", (constraint == null) ? "" : constraint.exportB64());
prop.put("verify", snippetFetchStrategy.toName());
prop.put("contentdom", (post == null ? "text" : post.get("contentdom", "text")));
prop.put("searchdomswitches", sb.getConfigBool("search.text", true) || sb.getConfigBool("search.audio", true) || sb.getConfigBool("search.video", true) || sb.getConfigBool("search.image", true) || sb.getConfigBool("search.app", true) ? 1 : 0);
prop.put("searchdomswitches_searchtext", sb.getConfigBool("search.text", true) ? 1 : 0);
prop.put("searchdomswitches_searchaudio", sb.getConfigBool("search.audio", true) ? 1 : 0);
prop.put("searchdomswitches_searchvideo", sb.getConfigBool("search.video", true) ? 1 : 0);
prop.put("searchdomswitches_searchimage", sb.getConfigBool("search.image", true) ? 1 : 0);
prop.put("searchdomswitches_searchapp", sb.getConfigBool("search.app", true) ? 1 : 0);
prop.put("searchdomswitches_searchtext_check", (contentdom == ContentDomain.TEXT) ? "1" : "0");
prop.put("searchdomswitches_searchaudio_check", (contentdom == ContentDomain.AUDIO) ? "1" : "0");
prop.put("searchdomswitches_searchvideo_check", (contentdom == ContentDomain.VIDEO) ? "1" : "0");
prop.put("searchdomswitches_searchimage_check", (contentdom == ContentDomain.IMAGE) ? "1" : "0");
prop.put("searchdomswitches_searchapp_check", (contentdom == ContentDomain.APP) ? "1" : "0");
// copy properties for "more options" link
prop.put("searchdomswitches_display", prop.get("display"));
prop.put("searchdomswitches_count", prop.get("count"));
prop.put("searchdomswitches_urlmaskfilter", prop.get("urlmaskfilter"));
prop.put("searchdomswitches_prefermaskfilter", prop.get("prefermaskfilter"));
prop.put("searchdomswitches_cat", prop.get("cat"));
prop.put("searchdomswitches_constraint", prop.get("constraint"));
prop.put("searchdomswitches_contentdom", prop.get("contentdom"));
prop.put("searchdomswitches_former", prop.get("former"));
prop.put("searchdomswitches_meanCount", prop.get("meanCount"));
// for RSS: don't HTML encode some elements
prop.putXML("rss_query", originalquerystring);
prop.put("rss_queryenc", originalquerystring.replace(' ', '+'));
sb.localSearchLastAccess = System.currentTimeMillis();
// return rewrite properties
return prop;
}
}