/*
* Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* The Original Code is HAT. The Initial Developer of the
* Original Code is Bill Foote, with contributions from others
* at JavaSoft/Sun.
*/
package com.sun.tools.hat.internal.server;
/**
*
* @author Bill Foote
*/
import java.net.Socket;
import java.net.ServerSocket;
import java.net.InetAddress;
import java.io.InputStream;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.Writer;
import java.io.BufferedWriter;
import java.io.PrintWriter;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.BufferedOutputStream;
import com.sun.tools.hat.internal.model.Snapshot;
import com.sun.tools.hat.internal.oql.OQLEngine;
public class QueryListener implements Runnable {
private Snapshot snapshot;
private OQLEngine engine;
private int port;
public QueryListener(int port) {
this.port = port;
this.snapshot = null; // Client will setModel when it's ready
this.engine = null; // created when snapshot is set
}
public void setModel(Snapshot ss) {
this.snapshot = ss;
if (OQLEngine.isOQLSupported()) {
this.engine = new OQLEngine(ss);
}
}
public void run() {
try {
waitForRequests();
} catch (IOException ex) {
ex.printStackTrace();
System.exit(1);
}
}
private void waitForRequests() throws IOException {
ServerSocket ss = new ServerSocket(port);
Thread last = null;
for (;;) {
Socket s = ss.accept();
Thread t = new Thread(new HttpReader(s, snapshot, engine));
if (snapshot == null) {
t.setPriority(Thread.NORM_PRIORITY+1);
} else {
t.setPriority(Thread.NORM_PRIORITY-1);
if (last != null) {
try {
last.setPriority(Thread.NORM_PRIORITY-2);
} catch (Throwable ignored) {
}
// If the thread is no longer alive, we'll get a
// NullPointerException
}
}
t.start();
last = t;
}
}
}