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yacy_search_server
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yacy_search_server/htroot/IndexCreate_p.java

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// IndexCreate_p.java
// -----------------------
// part of the AnomicHTTPD caching proxy
// (C) by Michael Peter Christen; mc@anomic.de
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
// last major change: 02.12.2004
//
// 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
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.
// You must compile this file with
// javac -classpath .:../classes IndexCreate_p.java
// if the shell's current path is HTROOT
import java.net.MalformedURLException;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Locale;
import de.anomic.http.httpHeader;
import de.anomic.plasma.plasmaCrawlEURL;
import de.anomic.plasma.plasmaCrawlLoaderMessage;
import de.anomic.plasma.plasmaCrawlNURL;
import de.anomic.plasma.plasmaCrawlProfile;
import de.anomic.plasma.plasmaCrawlWorker;
import de.anomic.plasma.plasmaHTCache;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.plasma.plasmaURL;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyCore;
import de.anomic.yacy.yacySeed;
public class IndexCreate_p {
private static SimpleDateFormat dayFormatter = new SimpleDateFormat("yyyy/MM/dd", Locale.US);
private static String daydate(Date date) {
if (date == null) return ""; else return dayFormatter.format(date);
}
public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
// return variable that accumulates replacements
plasmaSwitchboard switchboard = (plasmaSwitchboard) env;
serverObjects prop = new serverObjects();
prop.put("error", 0);
prop.put("info", 0);
prop.put("refreshbutton", 0);
prop.put("rejected", 0);
int showRejectedCount = 10;
int i;
if (post != null) {
if (post.containsKey("crawlingstart")) {
// init crawl
if (yacyCore.seedDB == null) {
prop.put("error", 3);
} else {
// set new properties
String newcrawlingfilter = post.get("crawlingFilter", ".*");
env.setConfig("crawlingFilter", newcrawlingfilter);
int newcrawlingdepth = Integer.parseInt((String) post.get("crawlingDepth", "0"));
env.setConfig("crawlingDepth", ("" + newcrawlingdepth));
boolean crawlingQ = ((String) post.get("crawlingQ", "")).equals("on");
env.setConfig("crawlingQ", (crawlingQ) ? "true" : "false");
boolean storeHTCache = ((String) post.get("storeHTCache", "")).equals("on");
env.setConfig("storeHTCache", (storeHTCache) ? "true" : "false");
boolean localIndexing = ((String) post.get("localIndexing", "")).equals("on");
env.setConfig("localIndexing", (localIndexing) ? "true" : "false");
boolean crawlOrder = ((String) post.get("crawlOrder", "")).equals("on");
env.setConfig("crawlOrder", (crawlOrder) ? "true" : "false");
boolean xsstopw = ((String) post.get("xsstopw", "")).equals("on");
env.setConfig("xsstopw", (crawlOrder) ? "true" : "false");
boolean xdstopw = ((String) post.get("xdstopw", "")).equals("on");
env.setConfig("xdstopw", (crawlOrder) ? "true" : "false");
boolean xpstopw = ((String) post.get("xpstopw", "")).equals("on");
env.setConfig("xpstopw", (crawlOrder) ? "true" : "false");
String crawlingStart = (String) post.get("crawlingURL");
if (!(crawlingStart.startsWith("http"))) crawlingStart = "http://" + crawlingStart;
// check if url is proper
URL crawlingStartURL = null;
try {
crawlingStartURL = new URL(crawlingStart);
} catch (MalformedURLException e) {
crawlingStartURL = null;
}
// check if pattern matches
if ((crawlingStartURL == null) /* || (!(crawlingStart.matches(newcrawlingfilter))) */) {
// print error message
prop.put("error", 4); //crawlfilter does not match url
prop.put("error_newcrawlingfilter", newcrawlingfilter);
prop.put("error_crawlingStart", crawlingStart);
} else try {
// stack request
// first delete old entry, if exists
String urlhash = plasmaURL.urlHash(crawlingStart);
switchboard.loadedURL.remove(urlhash);
switchboard.noticeURL.remove(urlhash);
// stack url
String reasonString = switchboard.stackCrawl(crawlingStart, null, yacyCore.seedDB.mySeed.hash, "CRAWLING-ROOT", new Date(), 0,
switchboard.profiles.newEntry(crawlingStartURL.getHost(), crawlingStart, newcrawlingfilter, newcrawlingfilter, newcrawlingdepth, newcrawlingdepth, crawlingQ, storeHTCache, true, localIndexing, crawlOrder, xsstopw, xdstopw, xpstopw));
if (reasonString == null) {
// liftoff!
prop.put("info", 2);//start msg
prop.put("info_crawlingURL", ((String) post.get("crawlingURL")));
} else {
prop.put("error", 5); //Crawling failed
prop.put("error_crawlingURL", ((String) post.get("crawlingURL")));
prop.put("error_reasonString", reasonString);
}
} catch (Exception e) {
// mist
prop.put("error", 6);//Error with url
prop.put("error_crawlingStart", crawlingStart);
prop.put("error_error", e.getMessage());
e.printStackTrace();
}
}
}
if (post.containsKey("clearRejected")) {
switchboard.errorURL.clearStack();
}
if (post.containsKey("moreRejected")) {
showRejectedCount = Integer.parseInt(post.get("showRejected", "10"));
}
if (post.containsKey("distributedcrawling")) {
boolean crawlResponse = ((String) post.get("crawlResponse", "")).equals("on");
env.setConfig("crawlResponse", (crawlResponse) ? "true" : "false");
}
if (post.containsKey("clearcrawlqueue")) {
String urlHash;
int c = 0;
while (switchboard.noticeURL.coreStackSize() > 0) {
urlHash = switchboard.noticeURL.corePop().hash();
if (urlHash != null) { switchboard.noticeURL.remove(urlHash); c++; }
}
while (switchboard.noticeURL.limitStackSize() > 0) {
urlHash = switchboard.noticeURL.limitPop().hash();
if (urlHash != null) { switchboard.noticeURL.remove(urlHash); c++; }
}
while (switchboard.noticeURL.remoteStackSize() > 0) {
urlHash = switchboard.noticeURL.remotePop().hash();
if (urlHash != null) { switchboard.noticeURL.remove(urlHash); c++; }
}
prop.put("info", 3);//crawling queue cleared
prop.put("info_numEntries", c);
}
if (post.containsKey("pausecrawlqueue")) {
switchboard.pauseCrawling();
prop.put("info", 4);//crawling paused
}
if (post.containsKey("continuecrawlqueue")) {
switchboard.continueCrawling();
prop.put("info", 5);//crawling continued
}
}
// define visible variables
prop.put("proxyPrefetchDepth", env.getConfig("proxyPrefetchDepth", "0"));
prop.put("crawlingDepth", env.getConfig("crawlingDepth", "0"));
prop.put("crawlingFilter", env.getConfig("crawlingFilter", "0"));
prop.put("crawlingQChecked", env.getConfig("crawlingQ", "").equals("true") ? 1 : 0);
prop.put("storeHTCacheChecked", env.getConfig("storeHTCache", "").equals("true") ? 1 : 0);
prop.put("localIndexingChecked", env.getConfig("localIndexing", "").equals("true") ? 1 : 0);
prop.put("crawlOrderChecked", env.getConfig("crawlOrder", "").equals("true") ? 1 : 0);
prop.put("crawlResponseChecked", env.getConfig("crawlResponse", "").equals("true") ? 1 : 0);
prop.put("xsstopwChecked", env.getConfig("xsstopw", "").equals("true") ? 1 : 0);
prop.put("xdstopwChecked", env.getConfig("xdstopw", "").equals("true") ? 1 : 0);
prop.put("xpstopwChecked", env.getConfig("xpstopw", "").equals("true") ? 1 : 0);
int processStackSize = switchboard.processStack.size();
int loaderThreadsSize = switchboard.cacheLoader.size();
int crawlerListSize = switchboard.noticeURL.stackSize();
int completequeue = processStackSize + loaderThreadsSize + crawlerListSize;
if ((completequeue > 0) || ((post != null) && (post.containsKey("refreshpage")))) {
prop.put("refreshbutton", 1);
}
// create prefetch table
boolean dark;
// sed crawl profiles
int count = 0;
//try{
Iterator it = switchboard.profiles.profiles(true);
plasmaCrawlProfile.entry profile;
dark = true;
while (it.hasNext()) {
profile = (plasmaCrawlProfile.entry) it.next();
//table += profile.map().toString() + "<br>";
prop.put("crawlProfiles_"+count+"_dark", ((dark) ? 1 : 0));
prop.put("crawlProfiles_"+count+"_name", profile.name());
prop.put("crawlProfiles_"+count+"_startURL", profile.startURL());
prop.put("crawlProfiles_"+count+"_depth", profile.generalDepth());
prop.put("crawlProfiles_"+count+"_filter", profile.generalFilter());
prop.put("crawlProfiles_"+count+"_withQuery", ((profile.crawlingQ()) ? 1 : 0));
prop.put("crawlProfiles_"+count+"_storeCache", ((profile.storeHTCache()) ? 1 : 0));
prop.put("crawlProfiles_"+count+"_localIndexing", ((profile.localIndexing()) ? 1 : 0));
prop.put("crawlProfiles_"+count+"_remoteIndexing", ((profile.remoteIndexing()) ? 1 : 0));
dark = !dark;
count++;
}
//}catch(IOException e){};
prop.put("crawlProfiles", count);
// remote crawl peers
if (yacyCore.seedDB == null) {
//table += "Sorry, cannot show any crawl output now because the system is not completely initialised. Please re-try.";
prop.put("error", 3);
} else {
Enumeration crawlavail = yacyCore.dhtAgent.getAcceptRemoteCrawlSeeds(plasmaURL.dummyHash, true);
Enumeration crawlpendi = yacyCore.dhtAgent.getAcceptRemoteCrawlSeeds(plasmaURL.dummyHash, false);
if ((!(crawlavail.hasMoreElements())) && (!(crawlpendi.hasMoreElements()))) {
prop.put("remoteCrawlPeers", 0); //no peers availible
} else {
prop.put("remoteCrawlPeers", 1);
int maxcount = 100;
int availcount = 0;
yacySeed seed;
while ((availcount < maxcount) && (crawlavail.hasMoreElements())) {
seed = (yacySeed) crawlavail.nextElement();
prop.put("remoteCrawlPeers_available_" + availcount + "_name", seed.getName());
prop.put("remoteCrawlPeers_available_" + availcount + "_due", (yacyCore.yacyTime() - seed.available));
availcount++;
}
prop.put("remoteCrawlPeers_available", availcount);
int pendicount = 0;
while ((pendicount < maxcount) && (crawlpendi.hasMoreElements())) {
seed = (yacySeed) crawlpendi.nextElement();
prop.put("remoteCrawlPeers_busy_" + pendicount + "_name", seed.getName());
prop.put("remoteCrawlPeers_busy_" + pendicount + "_due", (yacyCore.yacyTime() - seed.available));
pendicount++;
}
prop.put("remoteCrawlPeers_busy", pendicount);
prop.put("remoteCrawlPeers_num", (availcount + pendicount));
}
// failure cases
if (switchboard.errorURL.stackSize() != 0) {
if (showRejectedCount > switchboard.errorURL.stackSize()) showRejectedCount = switchboard.errorURL.stackSize();
prop.put("rejected", 1);
prop.put("rejected_num", switchboard.errorURL.stackSize());
if (showRejectedCount != switchboard.errorURL.stackSize()) {
prop.put("rejected_only-latest", 1);
prop.put("rejected_only-latest_num", showRejectedCount);
prop.put("rejected_only-latest_newnum", ((int) (showRejectedCount * 1.5)));
}else{
prop.put("rejected_only-latest", 0);
}
dark = true;
String url, initiatorHash, executorHash;
plasmaCrawlEURL.entry entry;
yacySeed initiatorSeed, executorSeed;
int j=0;
for (i = switchboard.errorURL.stackSize() - 1; i >= (switchboard.errorURL.stackSize() - showRejectedCount); i--) {
entry = (plasmaCrawlEURL.entry) switchboard.errorURL.getStack(i);
initiatorHash = entry.initiator();
executorHash = entry.executor();
url = entry.url().toString();
initiatorSeed = yacyCore.seedDB.getConnected(initiatorHash);
executorSeed = yacyCore.seedDB.getConnected(executorHash);
prop.put("rejected_list_"+j+"_initiator", ((initiatorSeed == null) ? "proxy" : initiatorSeed.getName()));
prop.put("rejected_list_"+j+"_executor", ((executorSeed == null) ? "proxy" : executorSeed.getName()));
prop.put("rejected_list_"+j+"_url", url);
prop.put("rejected_list_"+j+"_failreason", entry.failreason());
prop.put("rejected_list_"+j+"_dark", ((dark) ? 1 : 0));
dark = !dark;
j++;
}
prop.put("rejected_list", j);
}
// now about the current processes
if (completequeue > 0) {
yacySeed initiator;
if (switchboard.processStack.size() == 0) {
prop.put("indexing-queue", 0); //is empty
} else {
prop.put("indexing-queue", 1);
prop.put("indexing-queue_num", switchboard.processStack.size());//num entries in queue
dark = true;
plasmaHTCache.Entry pcentry;
for (i = 0; i < switchboard.processStack.size(); i++) {
pcentry = (plasmaHTCache.Entry) switchboard.processStack.get(i);
if (pcentry != null) {
initiator = yacyCore.seedDB.getConnected(pcentry.initiator());
prop.put("indexing-queue_list_"+i+"_dark", ((dark) ? 1 : 0));
prop.put("indexing-queue_list_"+i+"_initiator", ((initiator == null) ? "proxy" : initiator.getName()));
prop.put("indexing-queue_list_"+i+"_depth", pcentry.depth);
prop.put("indexing-queue_list_"+i+"_modified", daydate(pcentry.lastModified));
prop.put("indexing-queue_list_"+i+"_href",((pcentry.scraper == null) ? "0" : ("" + pcentry.scraper.getAnchors().size())));
prop.put("indexing-queue_list_"+i+"_anchor", ((pcentry.scraper == null) ? "-" : pcentry.scraper.getHeadline()) );
prop.put("indexing-queue_list_"+i+"_url", pcentry.nomalizedURLString);
dark = !dark;
}
}
prop.put("indexing-queue_list", i);
}
if (loaderThreadsSize == 0) {
prop.put("loader-set", 0);
} else {
prop.put("loader-set", 1);
prop.put("loader-set_num", loaderThreadsSize);
dark = true;
//plasmaCrawlLoader.Exec[] loaderThreads = switchboard.cacheLoader.threadStatus();
// for (i = 0; i < loaderThreads.length; i++) {
// initiator = yacyCore.seedDB.getConnected(loaderThreads[i].initiator);
// prop.put("loader-set_list_"+i+"_dark", ((dark) ? 1 : 0) );
// prop.put("loader-set_list_"+i+"_initiator", ((initiator == null) ? "proxy" : initiator.getName()) );
// prop.put("loader-set_list_"+i+"_depth", loaderThreads[i].depth );
// prop.put("loader-set_list_"+i+"_url", loaderThreads[i].url ); // null pointer exception here !!! maybe url = null; check reason.
// dark = !dark;
// }
// prop.put("loader-set_list", i );
ThreadGroup loaderThreads = switchboard.cacheLoader.threadStatus();
int threadCount = loaderThreads.activeCount();
Thread[] threadList = new Thread[threadCount*2];
threadCount = loaderThreads.enumerate(threadList);
for (i = 0; i < threadCount; i++) {
plasmaCrawlWorker theWorker = (plasmaCrawlWorker)threadList[i];
plasmaCrawlLoaderMessage theMsg = theWorker.theMsg;
if (theMsg == null) continue;
initiator = yacyCore.seedDB.getConnected(theMsg.initiator);
prop.put("loader-set_list_"+i+"_dark", ((dark) ? 1 : 0) );
prop.put("loader-set_list_"+i+"_initiator", ((initiator == null) ? "proxy" : initiator.getName()) );
prop.put("loader-set_list_"+i+"_depth", theMsg.depth );
prop.put("loader-set_list_"+i+"_url", theMsg.url ); // null pointer exception here !!! maybe url = null; check reason.
dark = !dark;
}
prop.put("loader-set_list", i );
}
int localStackSize = switchboard.noticeURL.coreStackSize();
if (localStackSize == 0) {
prop.put("crawler-queue", 0);
} else {
prop.put("crawler-queue", 1);
plasmaCrawlNURL.entry[] crawlerList = switchboard.noticeURL.coreTop(20);
prop.put("crawler-queue_num", localStackSize);//num Entries
prop.put("crawler-queue_show-num", crawlerList.length); //showin sjow-num most recent
plasmaCrawlNURL.entry urle;
dark = true;
for (i = 0; i < crawlerList.length; i++) {
urle = crawlerList[i];
if (urle != null) {
initiator = yacyCore.seedDB.getConnected(urle.initiator());
prop.put("crawler-queue_list_"+i+"_dark", ((dark) ? 1 : 0) );
prop.put("crawler-queue_list_"+i+"_initiator", ((initiator == null) ? "proxy" : initiator.getName()) );
prop.put("crawler-queue_list_"+i+"_depth", urle.depth());
prop.put("crawler-queue_list_"+i+"_modified", daydate(urle.loaddate()) );
prop.put("crawler-queue_list_"+i+"_anchor", urle.name());
prop.put("crawler-queue_list_"+i+"_url", urle.url());
dark = !dark;
}
}
prop.put("crawler-queue_list", i);
}
prop.put("crawler-queue_paused",(switchboard.crawlingIsPaused())?0:1);
}
}
// return rewrite properties
return prop;
}
}
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