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yacy_search_server/htroot/Connections_p.java

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13 KiB

//Connections_p.java
//-----------------------
//part of YaCy
//(C) by Michael Peter Christen; mc@anomic.de
//first published on http://www.anomic.de
//Frankfurt, Germany, 2004, 2005
//
//$LastChangedDate$
//$LastChangedRevision$
//$LastChangedBy$
//
//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
//
//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 Network.java
//if the shell's current path is HTROOT
import java.io.UnsupportedEncodingException;
import java.net.InetAddress;
import java.net.URLEncoder;
import java.util.Arrays;
import java.util.Properties;
import org.apache.commons.pool.impl.GenericObjectPool;
import de.anomic.http.httpHeader;
import de.anomic.http.httpc;
import de.anomic.http.httpd;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.server.serverCore;
import de.anomic.server.serverDate;
import de.anomic.server.serverHandler;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.server.serverThread;
import de.anomic.server.serverCore.Session;
import de.anomic.urlRedirector.urlRedirectord;
import de.anomic.yacy.yacyCore;
import de.anomic.yacy.yacySeed;
public final class Connections_p {
public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch sb) {
// return variable that accumulates replacements
plasmaSwitchboard switchboard = (plasmaSwitchboard) sb;
serverObjects prop = new serverObjects();
// getting the virtualHost string
String virtualHost = switchboard.getConfig("fileHost","localhost");
// getting the serverCore thread
serverThread httpd = switchboard.getThread("10_httpd");
// getting the session threadgroup
ThreadGroup httpSessions = ((serverCore)httpd).getSessionThreadGroup();
// getting the server core pool configuration
GenericObjectPool.Config httpdPoolConfig = ((serverCore)httpd).getPoolConfig();
/* waiting for all threads to finish */
int threadCount = httpSessions.activeCount();
Thread[] threadList = new Thread[httpdPoolConfig.maxActive];
threadCount = httpSessions.enumerate(threadList);
// determines if name lookup should be done or not
boolean doNameLookup = false;
if (post != null) {
if (post.containsKey("nameLookup") && post.get("nameLookup","true").equals("true")) {
doNameLookup = true;
}
if (post.containsKey("closeSession")) {
String sessionName = post.get("closeSession",null);
if (sessionName != null) {
for ( int currentThreadIdx = 0; currentThreadIdx < threadCount; currentThreadIdx++ ) {
Thread currentThread = threadList[currentThreadIdx];
if (
(currentThread != null) &&
(currentThread instanceof serverCore.Session) &&
(currentThread.isAlive()) &&
(currentThread.getName().equals(sessionName))
){
// trying to gracefull stop session
((Session)currentThread).setStopped(true);
try { Thread.sleep(100); } catch (InterruptedException ex) {}
// trying to interrupt session
if (currentThread.isAlive()) {
currentThread.interrupt();
try { Thread.sleep(100); } catch (InterruptedException ex) {}
}
// trying to close socket
if (currentThread.isAlive()) {
((Session)currentThread).close();
}
// waiting for session to finish
if (currentThread.isAlive()) {
try { currentThread.join(500); } catch (InterruptedException ex) {}
}
}
}
}
prop.put("LOCATION","");
return prop;
}
}
int idx = 0, numActiveRunning = 0, numActivePending = 0, numMax = ((serverCore)httpd).getMaxSessionCount();
boolean dark = true;
for ( int currentThreadIdx = 0; currentThreadIdx < threadCount; currentThreadIdx++ ) {
Thread currentThread = threadList[currentThreadIdx];
if ((currentThread != null) && (currentThread instanceof serverCore.Session) && (currentThread.isAlive())) {
// getting the session object
Session currentSession = ((Session)currentThread);
// getting the session runtime
long sessionTime = currentSession.getTime();
// getting the request command line
boolean blockingRequest = false;
String commandLine = currentSession.getCommandLine();
if (commandLine == null) blockingRequest = true;
int commandCount = currentSession.getCommandCount();
// getting the source ip address and port
InetAddress userAddress = currentSession.getUserAddress();
int userPort = currentSession.getUserPort();
if (userAddress == null) continue;
boolean isSSL = currentSession.isSSL();
String dest = null;
String prot = null;
serverHandler cmdObj = currentSession.getCommandObj();
if (cmdObj instanceof httpd) {
prot = isSSL ? "https":"http";
// getting the http command object
httpd currentHttpd = (httpd)cmdObj;
// getting the connection properties of this session
Properties conProp = (Properties) currentHttpd.getConProp().clone();
// getting the destination host
dest = conProp.getProperty(httpHeader.CONNECTION_PROP_HOST);
if (dest==null)continue;
} else if (cmdObj instanceof urlRedirectord) {
prot = "urlRedirector";
urlRedirectord urlRedir = (urlRedirectord)cmdObj;
commandLine = urlRedir.getURL();
}
if ((dest != null) && (dest.equals(virtualHost))) dest = yacyCore.seedDB.mySeed().getName() + ".yacy";
// determining if the source is a yacy host
yacySeed seed = null;
if (doNameLookup) {
seed = yacyCore.seedDB.lookupByIP(userAddress,true,false,false);
if (seed != null) {
if ((seed.hash.equals(yacyCore.seedDB.mySeed().hash)) &&
(!seed.get(yacySeed.PORT,"").equals(Integer.toString(userPort)))) {
seed = null;
}
}
}
prop.put("list_" + idx + "_dark", ((dark) ? 1 : 0) ); dark=!dark;
try {
prop.put("list_" + idx + "_sessionID",URLEncoder.encode(currentSession.getName(),"UTF8"));
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
prop.put("list_" + idx + "_sessionName",currentSession.getName());
prop.put("list_" + idx + "_proto",prot);
if (sessionTime > 1000*60) {
prop.put("list_" + idx + "_ms",0);
prop.put("list_" + idx + "_ms_duration",serverDate.intervalToString(sessionTime));
} else {
prop.put("list_" + idx + "_ms",1);
prop.put("list_" + idx + "_ms_duration",Long.toString(sessionTime));
}
prop.put("list_" + idx + "_source",(seed!=null)?seed.getName()+".yacy":userAddress.getHostAddress()+":"+userPort);
prop.put("list_" + idx + "_dest",(dest==null)?"-":dest);
if (blockingRequest) {
prop.put("list_" + idx + "_running",0);
prop.put("list_" + idx + "_running_reqNr",Integer.toString(commandCount+1));
numActivePending++;
} else {
prop.put("list_" + idx + "_running",1);
prop.put("list_" + idx + "_running_command",(commandLine==null)?"":commandLine);
numActiveRunning++;
}
prop.put("list_" + idx + "_used",Integer.toString(commandCount));
idx++;
}
}
prop.put("list",idx);
prop.put("numMax",Integer.toString(numMax));
prop.put("numActiveRunning",Integer.toString(numActiveRunning));
prop.put("numActivePending",Integer.toString(numActivePending));
// client sessions
httpc[] a = httpc.allConnections();
Arrays.sort(a, httpc.connectionTimeComparatorInstance);
int c = 0;
for (int i = 0; i < a.length; i++) {
httpc clientConnection = (httpc) a[i];
if (clientConnection != null) {
prop.put("clientList_" + c + "_clientProtocol", (clientConnection.ssl) ? "HTTPS" : "HTTP");
prop.put("clientList_" + c + "_clientLifetime", System.currentTimeMillis() - clientConnection.initTime);
prop.put("clientList_" + c + "_clientIdletime", System.currentTimeMillis() - clientConnection.lastIO);
prop.put("clientList_" + c + "_clientTargetHost", clientConnection.adressed_host + ":" + clientConnection.adressed_port);
prop.put("clientList_" + c + "_clientCommand", (clientConnection.command == null) ? "-" : clientConnection.command);
prop.put("clientList_" + c + "_clientID", clientConnection.hashCode());
c++;
}
}
prop.put("clientList", c);
prop.put("clientActive", c);
// return rewrite values for templates
return prop;
}
}