//Connections_p.java
//-----------------------
//part of YaCy
//(C) by Michael Peter Christen; mc@yacy.net
//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
//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.Properties;
import java.util.Set;
import de.anomic.http.HttpConnectionInfo;
import de.anomic.http.JakartaCommonsHttpClient;
import de.anomic.http.httpRequestHeader;
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.yacySeed;
public final class Connections_p {
public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final serverSwitch<?> env) {
// return variable that accumulates replacements
final plasmaSwitchboard sb = (plasmaSwitchboard) env;
final serverObjects prop = new serverObjects();
// get the virtualHost string
final String virtualHost = sb.getConfig("fileHost","localhost");
// get the serverCore thread
final serverThread httpd = sb.getThread("10_httpd");
/* waiting for all threads to finish */
int threadCount = serverCore.sessionThreadGroup.activeCount();
final Thread[] threadList = new Thread[((serverCore) httpd).getJobCount()];
threadCount = serverCore.sessionThreadGroup.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")) {
final String sessionName = post.get("closeSession",null);
if (sessionName != null) {
for ( int currentThreadIdx = 0; currentThreadIdx < threadCount; currentThreadIdx++ ) {
final 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 (final InterruptedException ex) {}
// trying to interrupt session
if (currentThread.isAlive()) {
currentThread.interrupt();
try { Thread.sleep(100); } catch (final 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 (final InterruptedException ex) {}
}
}
}
}
prop.put("LOCATION","");
return prop;
}
}
int idx = 0, numActiveRunning = 0, numActivePending = 0;
boolean dark = true;
for ( int currentThreadIdx = 0; currentThreadIdx < threadCount; currentThreadIdx++ ) {
final Thread currentThread = threadList[currentThreadIdx];
if ((currentThread != null) && (currentThread instanceof serverCore.Session) && (currentThread.isAlive())) {
// getting the session object
final Session currentSession = ((Session)currentThread);
// getting the session runtime
final long sessionTime = currentSession.getTime();
// getting the request command line
boolean blockingRequest = false;
String commandLine = currentSession.getCommandLine();
if (commandLine == null) blockingRequest = true;
final int commandCount = currentSession.getCommandCount();
// getting the source ip address and port
final InetAddress userAddress = currentSession.getUserAddress();
final int userPort = currentSession.getUserPort();
if (userAddress == null) continue;
final boolean isSSL = currentSession.isSSL();
String dest = null;
String prot = null;
final serverHandler cmdObj = currentSession.getCommandObj();
if (cmdObj instanceof httpd) {
prot = isSSL ? "https":"http";
// getting the http command object
final httpd currentHttpd = (httpd)cmdObj;
// getting the connection properties of this session
final Properties conProp = (Properties) currentHttpd.getConProp().clone();
// getting the destination host
dest = conProp.getProperty(httpRequestHeader.CONNECTION_PROP_HOST);
if (dest==null)continue;
} else if (cmdObj instanceof urlRedirectord) {
prot = "urlRedirector";
final urlRedirectord urlRedir = (urlRedirectord)cmdObj;
commandLine = urlRedir.getURL();
}
if ((dest != null) && (dest.equals(virtualHost))) dest = sb.webIndex.seedDB.mySeed().getName() + ".yacy";
// determining if the source is a yacy host
yacySeed seed = null;
if (doNameLookup) {
seed = sb.webIndex.seedDB.lookupByIP(userAddress,true,false,false);
if (seed != null) {
if ((seed.hash.equals(sb.webIndex.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 (final UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
prop.putHTML("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.formatInterval(sessionTime));
} else {
prop.put("list_" + idx + "_ms", "1");
prop.putNum("list_" + idx + "_ms_duration", sessionTime);
}
prop.putHTML("list_" + idx + "_source",(seed!=null)?seed.getName()+".yacy":userAddress.getHostAddress()+":"+userPort);
prop.putHTML("list_" + idx + "_dest",(dest==null)?"-":dest);
if (blockingRequest) {
prop.put("list_" + idx + "_running", "0");
prop.putNum("list_" + idx + "_running_reqNr", commandCount+1);
numActivePending++;
} else {
prop.put("list_" + idx + "_running", "1");
prop.put("list_" + idx + "_running_command", commandLine==null ? "" :commandLine);
numActiveRunning++;
}
prop.putNum("list_" + idx + "_used", commandCount);
idx++;
}
}
prop.put("list", idx);
prop.putNum("numMax", ((serverCore)httpd).getMaxSessionCount());
prop.putNum("numActiveRunning", numActiveRunning);
prop.putNum("numActivePending", numActivePending);
// client sessions
final Set<HttpConnectionInfo> allConnections = HttpConnectionInfo.getAllConnections();
// TODO sorting
// Arrays.sort(a, httpc.connectionTimeComparatorInstance);
int c = 0;
synchronized (allConnections) {
for (final HttpConnectionInfo conInfo: allConnections) {
prop.put("clientList_" + c + "_clientProtocol", conInfo.getProtocol());
prop.putNum("clientList_" + c + "_clientLifetime", conInfo.getLifetime());
prop.putNum("clientList_" + c + "_clientIdletime", conInfo.getIdletime());
prop.put("clientList_" + c + "_clientTargetHost", conInfo.getTargetHost());
prop.putHTML("clientList_" + c + "_clientCommand", conInfo.getCommand());
prop.put("clientList_" + c + "_clientID", conInfo.getID());
c++;
}
}
prop.put("clientList", c);
prop.put("clientActive", JakartaCommonsHttpClient.connectionCount());
// return rewrite values for templates
return prop;
}
}