// AccessTracker_p.java
// (C) 2006 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 14.01.2007 on http://www.yacy.net
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
// 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
package net.yacy.htroot;
import java.util.Collection;
import java.util.ConcurrentModificationException;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.TreeSet;
import java.util.concurrent.LinkedBlockingQueue;
import net.yacy.cora.date.GenericFormatter;
import net.yacy.cora.protocol.Domains;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.cora.sorting.OrderedScoreMap;
import net.yacy.cora.util.CommonPattern;
import net.yacy.cora.util.ConcurrentLog;
import net.yacy.peers.Seed;
import net.yacy.search.EventTracker;
import net.yacy.search.Switchboard;
import net.yacy.search.query.AccessTracker;
import net.yacy.search.query.QueryParams;
import net.yacy.server.serverAccessTracker;
import net.yacy.server.serverAccessTracker.Track;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
public class AccessTracker_p {
private static Collection<Track> listclone (final Collection<Track> m) {
final Collection<Track> accessClone = new LinkedBlockingQueue<Track>();
try {
accessClone.addAll(m);
} catch (final ConcurrentModificationException e) {}
return accessClone;
}
/**
* Remove any eventual slash character at the beginning of path.
* @param path a path relative to YaCy context
* @return the path relative to this servlet : with no starting slash
*/
private static String getRelativePathToThis(final String path) {
String relativePath = path;
if(path != null && path.startsWith("/")) {
relativePath = relativePath.substring(1, relativePath.length());
}
return relativePath;
}
public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
final Switchboard sb = (Switchboard) env;
// return variable that accumulates replacements
final serverObjects prop = new serverObjects();
prop.setLocalized(!header.getPathInfo().endsWith(".xml"));
int page = 0;
if (post != null) {
page = post.getInt("page", 0);
}
prop.put("page", page);
final int maxCount = 1000;
boolean dark = true;
if (page == 0) {
final Iterator<String> i = serverAccessTracker.accessHosts();
String host;
int entCount = 0;
try {
while ((entCount < maxCount) && (i.hasNext())) {
host = i.next();
prop.putHTML("page_list_" + entCount + "_host", host);
prop.putNum("page_list_" + entCount + "_countSecond", serverAccessTracker.latestAccessCount(host, 1000));
prop.putNum("page_list_" + entCount + "_countMinute", serverAccessTracker.latestAccessCount(host, 1000 * 60));
prop.putNum("page_list_" + entCount + "_count10Minutes", serverAccessTracker.latestAccessCount(host, 1000 * 60 * 10));
prop.putNum("page_list_" + entCount + "_countHour", serverAccessTracker.latestAccessCount(host, 1000 * 60 * 60));
entCount++;
}
} catch (final ConcurrentModificationException e) {
// we don't want to synchronize this
ConcurrentLog.logException(e);
}
prop.put("page_list", entCount);
prop.put("page_num", entCount);
entCount = 0;
prop.put("page_bflist", entCount);
} else if (page == 1) {
String host = (post == null) ? "" : post.get("host", "");
int entCount = 0;
Collection<Track> access;
Track entry;
if (host.length() > 0) {
access = serverAccessTracker.accessTrack(host);
if (access != null) {
try {
final Iterator<Track> ii = listclone(access).iterator();
while (ii.hasNext()) {
entry = ii.next();
prop.putHTML("page_list_" + entCount + "_host", host);
prop.put("page_list_" + entCount + "_date", GenericFormatter.SIMPLE_FORMATTER.format(new Date(entry.getTime())));
prop.putHTML("page_list_" + entCount + "_path", entry.getPath());
/* For better integration of YaCy peers behind a reverse proxy subfolder,
* ensure a path relative to this servlet (with no starting slash) is used for links URLs.
* We keep the pathes starting with a slash for display only. */
prop.putHTML("page_list_" + entCount + "_relativePath", getRelativePathToThis(entry.getPath()));
entCount++;
}
} catch (final ConcurrentModificationException e) {
// we don't want to synchronize this
ConcurrentLog.logException(e);
}
}
} else {
try {
final Iterator<String> i = serverAccessTracker.accessHosts();
while ((entCount < maxCount) && (i.hasNext())) {
host = i.next();
access = serverAccessTracker.accessTrack(host);
final Iterator<Track> ii = listclone(access).iterator();
while (ii.hasNext() && entCount < maxCount) {
entry = ii.next();
prop.putHTML("page_list_" + entCount + "_host", host);
prop.put("page_list_" + entCount + "_date", GenericFormatter.SIMPLE_FORMATTER.format(new Date(entry.getTime())));
prop.putHTML("page_list_" + entCount + "_path", entry.getPath());
/* For better integration of YaCy peers behind a reverse proxy subfolder,
* ensure a path relative to this servlet (with no starting slash) is used for links URLs.
* We keep the pathes starting with a slash for display only. */
prop.putHTML("page_list_" + entCount + "_relativePath", getRelativePathToThis(entry.getPath()));
entCount++;
}
}
} catch (final ConcurrentModificationException e) {
// we don't want to synchronize this
ConcurrentLog.logException(e);
}
}
prop.put("page_list", entCount);
prop.put("page_num", entCount);
} else if ((page == 2) || (page == 4)) {
final Iterator<QueryParams> ai = (page == 2) ? AccessTracker.get(AccessTracker.Location.local) : AccessTracker.get(AccessTracker.Location.remote);
QueryParams query;
long qcountSum = 0;
long rcountSum = 0;
long tcountSum = 0;
long rcount = 0;
long utimeSum = 0;
long stimeSum = 0;
long rtimeSum = 0;
final long utimeSum1 = 0;
final long stimeSum1 = 0;
long rtimeSum1 = 0;
int m = 0;
while (ai.hasNext()) {
try {
query = ai.next();
} catch (final ConcurrentModificationException e) {
// we don't want to synchronize this
ConcurrentLog.logException(e);
break;
}
// put values in template
prop.put("page_list_" + m + "_dark", ((dark) ? 1 : 0) );
dark =! dark;
prop.putHTML("page_list_" + m + "_host", query.clienthost);
prop.put("page_list_" + m + "_date", GenericFormatter.SIMPLE_FORMATTER.format(new Date(query.starttime)));
prop.put("page_list_" + m + "_timestamp", query.starttime);
if (page == 2) {
// local search
prop.putNum("page_list_" + m + "_offset", query.offset);
prop.putHTML("page_list_" + m + "_querystring", query.getQueryGoal().getQueryString(false));
} else {
// remote search
prop.putHTML("page_list_" + m + "_peername", (query.remotepeer == null) ? "<unknown>" : query.remotepeer.getName());
prop.put("page_list_" + m + "_queryhashes", QueryParams.anonymizedQueryHashes(query.getQueryGoal().getIncludeHashes()));
}
prop.putNum("page_list_" + m + "_querycount", query.itemsPerPage);
prop.putNum("page_list_" + m + "_transmitcount", query.transmitcount);
prop.putNum("page_list_" + m + "_resultcount", 0 /*query.getResultCount()*/);
prop.putNum("page_list_" + m + "_urltime", query.urlretrievaltime);
prop.putNum("page_list_" + m + "_snippettime", query.snippetcomputationtime);
prop.putNum("page_list_" + m + "_resulttime", query.searchtime);
prop.putHTML("page_list_" + m + "_userAgent", query.userAgent);
qcountSum += query.itemsPerPage;
rcountSum += 0; //query.getResultCount();
tcountSum += query.transmitcount;
utimeSum += query.urlretrievaltime;
stimeSum += query.snippetcomputationtime;
rtimeSum += query.searchtime;
if (query.transmitcount > 0){
rcount++;
/* utimeSum1 += query.urlretrievaltime;
stimeSum1 += query.snippetcomputationtime; */
rtimeSum1 += query.searchtime;
}
m++;
}
prop.put("page_list", m);
prop.put("page_num", m);
prop.put("page_resultcount", rcount);
// Put -1 instead of NaN as result for empty search list and return the safe HTML blank char for table output
if (m == 0) {
m = -1;
// return empty values to not break the table view
prop.put("page_list", 1);
prop.put("page_list_0_dark", 1 );
prop.put("page_list_0_host", "");
prop.put("page_list_0_date", "");
prop.put("page_list_0_timestamp", "");
if (page == 2) {
// local search
prop.putNum("page_list_0_offset", "");
prop.put("page_list_0_querystring", "");
} else {
// remote search
prop.put("page_list_0_peername", "");
prop.put("page_list_0_queryhashes", "");
}
prop.putNum("page_list_0_querycount", "");
prop.putNum("page_list_0_transmitcount", "");
prop.putNum("page_list_0_resultcount", "");
prop.putNum("page_list_0_urltime", "");
prop.putNum("page_list_0_snippettime", "");
prop.putNum("page_list_0_resulttime", "");
prop.put("page_list_0_userAgent", "");
}
if (rcount == 0) rcount = -1;
prop.putNum("page_querycount_avg", (double) qcountSum / m);
prop.putNum("page_resultcount_avg", (double) rcountSum / m);
prop.putNum("page_urltime_avg", (double) utimeSum / m);
prop.putNum("page_snippettime_avg", (double) stimeSum / m);
prop.putNum("page_resulttime_avg", (double) rtimeSum / m);
prop.putNum("page_transmitcount_avg", (double) tcountSum / rcount);
prop.putNum("page_resultcount_avg1", (double) rcountSum / rcount);
prop.putNum("page_urltime_avg1", (double) utimeSum1 / rcount);
prop.putNum("page_snippettime_avg1", (double) stimeSum1 / rcount);
prop.putNum("page_resulttime_avg1", (double) rtimeSum1 / rcount);
prop.putNum("page_total", (page == 2) ? AccessTracker.size(AccessTracker.Location.local) : AccessTracker.size(AccessTracker.Location.remote));
// calculate top search query words
if (page == 2 && AccessTracker.getDumpFile() != null && AccessTracker.getDumpFile().exists()) {
final Date toDate = new Date();
final Date fromDate = new Date(toDate.getTime() - 7 * 24 * 3600 * 1000); // 7 Days earlier
final List<EventTracker.Event> evList = AccessTracker.readLog(AccessTracker.getDumpFile(), fromDate, toDate);
final OrderedScoreMap<String> topicNavigator = new OrderedScoreMap<String>(String.CASE_INSENSITIVE_ORDER);
for (final EventTracker.Event ev : evList) {
final String qs = ev.payload.toString();
if (qs.startsWith("qs ")) { // currently only raw querystring "qs" lines are included
final String[] words = CommonPattern.SPACE.split(qs.substring(3));
for (final String w : words) {
if (!w.isEmpty()) {
topicNavigator.inc(w);
}
}
}
}
if (topicNavigator == null || topicNavigator.isEmpty()) {
prop.put("page_nav-topics", "0");
} else {
// topics navigator
final int TOPWORDS_MAXCOUNT = 25;
final int TOPWORDS_MINSIZE = 9;
final int TOPWORDS_MAXSIZE = 24;
int count;
prop.put("page_nav-topics", "1");
String name;
int i = 0;
final int maxcount = topicNavigator.getMaxScore();
final Iterator<String> navigatorIterator = topicNavigator.iterator();
while (i < TOPWORDS_MAXCOUNT && navigatorIterator.hasNext()) {
name = navigatorIterator.next();
count = topicNavigator.get(name);
prop.put("page_nav-topics_element_" + i + "_on", 1);
prop.put("page_nav-topics_element_" + i + "_name", name);
prop.put("page_nav-topics_element_" + i + "_count", count);
int fontsize = TOPWORDS_MINSIZE + (TOPWORDS_MAXSIZE - TOPWORDS_MINSIZE) * (count / maxcount);
fontsize = Math.max(TOPWORDS_MINSIZE, fontsize);
prop.put("page_nav-topics_element_" + i + "_size", fontsize); // font size in pixel
i++;
}
prop.put("page_nav-topics_element", i);
prop.put("page_nav-topics_count", i);
}
} // eof - calculate top search query words
} else if ((page == 3) || (page == 5)) {
final Iterator<Entry<String, TreeSet<Long>>> i = (page == 3) ? sb.localSearchTracker.entrySet().iterator() : sb.remoteSearchTracker.entrySet().iterator();
String host;
TreeSet<Long> handles;
int m = 0;
int qphSum = 0;
Map.Entry<String, TreeSet<Long>> entry;
try {
while ((m < maxCount) && (i.hasNext())) {
entry = i.next();
host = entry.getKey();
handles = entry.getValue();
int dateCount = 0;
final Iterator<Long> ii = handles.iterator();
while (ii.hasNext()) {
final Long timestamp = ii.next();
prop.put("page_list_" + m + "_dates_" + dateCount + "_date", GenericFormatter.SIMPLE_FORMATTER.format(new Date(timestamp.longValue())));
prop.put("page_list_" + m + "_dates_" + dateCount + "_timestamp", timestamp.toString());
dateCount++;
}
prop.put("page_list_" + m + "_dates", dateCount);
final int qph = handles.tailSet(Long.valueOf(System.currentTimeMillis() - 1000 * 60 * 60)).size();
qphSum += qph;
prop.put("page_list_" + m + "_qph", qph);
prop.put("page_list_" + m + "_dark", ((dark) ? 1 : 0) ); dark =! dark;
prop.putHTML("page_list_" + m + "_host", host);
if (page == 5) {
final Seed remotepeer = sb.peers.lookupByIP(Domains.dnsResolve(host), -1, true, true, true);
prop.putHTML("page_list_" + m + "_peername", (remotepeer == null) ? "UNKNOWN" : remotepeer.getName());
}
prop.putNum("page_list_" + m + "_count", handles.size());
// next
m++;
}
} catch (final ConcurrentModificationException e) {
// we don't want to synchronize this
ConcurrentLog.logException(e);
}
// return empty values to not break the table view if no results can be listed
if (m==0) {
prop.put("page_list", 1);
prop.put("page_list_0_dates_0_date", "");
prop.put("page_list_0_dates", 1);
prop.putNum("page_list_0_qph", "");
prop.put("page_list_0_dark", 1 );
prop.put("page_list_0_peername", "");
prop.put("page_list_0_host", "");
prop.putNum("page_list_0_count", "");
} else {
prop.put("page_list", m);
}
prop.putNum("page_num", m);
prop.putNum("page_total", (page == 3) ? AccessTracker.size(AccessTracker.Location.local) : AccessTracker.size(AccessTracker.Location.remote));
prop.putNum("page_qph_sum", qphSum);
}
// return rewrite properties
return prop;
}
}