/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.cluster.mod_cluster;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.net.SocketTimeoutException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.LinkedBlockingQueue;
/**
* Mock httpd proxy that queues all received messages
* @author Paul Ferraro
*/
@SuppressWarnings("boxing")
public class MockProxy implements Runnable
{
private final BlockingQueue<Map.Entry<String, Map<String, String>>> requests = new LinkedBlockingQueue<Map.Entry<String, Map<String, String>>>();
private final ConcurrentMap<String, BlockingQueue<Map.Entry<String, Map<String, String>>>> requestMap = new ConcurrentHashMap<String, BlockingQueue<Map.Entry<String, Map<String, String>>>>();
private ServerSocket server;
private final List<Thread> workers;
private final int threads;
private volatile boolean healthy = true;
public MockProxy(int threads)
{
this.workers = new ArrayList<Thread>(threads);
this.threads = threads;
}
public void run()
{
try
{
while (!Thread.currentThread().isInterrupted())
{
try
{
Socket socket = this.server.accept();
socket.setSoTimeout(15000);
try
{
BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
String line = reader.readLine();
while ((line != null) && !Thread.currentThread().isInterrupted())
{
if (line.length() == 0)
{
line = reader.readLine();
continue;
}
String command = line;
System.out.println("Received command: " + command);
line = reader.readLine();
while ((line != null) && (line.length() > 0))
{
// Ignore headers
line = reader.readLine();
}
if (line != null)
{
line = reader.readLine();
System.out.println("Received body: " + line);
}
Map<String, String> parameters = new HashMap<String, String>();
if (line != null)
{
if (line.length() > 0)
{
for (String parameter: line.split("&"))
{
String[] parts = parameter.split("=");
String name = parts[0];
String value = URLDecoder.decode(parts[1], "UTF-8");
parameters.put(name, value);
}
System.out.println("Parsed body: " + line);
}
if (this.healthy)
{
writer.write("HTTP/1.0 200 OK");
}
else
{
writer.write("HTTP/1.0 500 ERROR");
}
writer.newLine();
writer.newLine();
writer.flush();
}
Map.Entry<String, Map<String, String>> request = Collections.singletonMap(command, parameters).entrySet().iterator().next();
System.out.println("Received: " + request);
String jvmRoute = parameters.get("JVMRoute");
if (jvmRoute == null)
{
this.requests.add(request);
}
else
{
this.getRequests(jvmRoute).add(request);
}
Thread.yield();
if (line != null)
{
line = reader.readLine();
}
}
}
finally
{
if (socket.isConnected())
{
try
{
socket.close();
}
catch (IOException e)
{
e.printStackTrace(System.err);
}
}
}
}
catch (SocketException e)
{
System.out.println("Socket accept interrupted");
}
catch (SocketTimeoutException e)
{
System.out.println("Socket accept timeout");
}
}
}
catch (Throwable e)
{
e.printStackTrace(System.err);
}
}
public void setHealty(boolean healthy)
{
this.healthy = healthy;
}
public BlockingQueue<Map.Entry<String, Map<String, String>>> getRequests()
{
return this.requests;
}
public BlockingQueue<Map.Entry<String, Map<String, String>>> getRequests(String jvmRoute)
{
BlockingQueue<Map.Entry<String, Map<String, String>>> newQueue = new LinkedBlockingQueue<Map.Entry<String, Map<String, String>>>();
BlockingQueue<Map.Entry<String, Map<String, String>>> queue = this.requestMap.putIfAbsent(jvmRoute, newQueue);
return (queue != null) ? queue : newQueue;
}
public int getPort()
{
return this.server.getLocalPort();
}
public void start() throws Exception
{
this.server = new ServerSocket(0, 200, null);
this.server.setSoTimeout(15000);
for (int i = 0; i < this.threads; ++i)
{
Thread thread = new Thread(this);
this.workers.add(thread);
thread.start();
}
}
public void stop()
{
for (Thread worker: this.workers)
{
if (worker != null)
{
worker.interrupt();
}
}
if (this.server != null)
{
try
{
this.server.close();
}
catch (IOException e)
{
e.printStackTrace(System.err);
}
}
for (Thread worker: this.workers)
{
try
{
worker.join();
}
catch (InterruptedException e)
{
Thread.currentThread().interrupt();
}
}
this.workers.clear();
this.requestMap.clear();
this.requests.clear();
}
}