| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.activemq.transport.tcp; |
| |
| import java.io.IOException; |
| import java.net.InetAddress; |
| import java.net.Socket; |
| import java.net.UnknownHostException; |
| import java.util.Random; |
| import java.util.concurrent.ConcurrentHashMap; |
| import javax.net.SocketFactory; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * |
| * |
| * Automatically generated socket.close() calls to simulate network faults |
| */ |
| public class SocketTstFactory extends SocketFactory { |
| private static final Logger LOG = LoggerFactory.getLogger(SocketTstFactory.class); |
| |
| private static final ConcurrentHashMap<InetAddress, Integer> closeIter = new ConcurrentHashMap<InetAddress, Integer>(); |
| |
| private class SocketTst { |
| |
| private class Bagot implements Runnable { |
| private Thread processus; |
| private Random rnd; |
| private Socket socket; |
| private final InetAddress address; |
| |
| public Bagot(Random rnd, Socket socket, InetAddress address) { |
| this.processus = new Thread(this, "Network Faults maker : undefined"); |
| this.rnd = rnd; |
| this.socket = socket; |
| this.address = address; |
| } |
| |
| public void start() { |
| this.processus.setName("Network Faults maker : " + this.socket.toString()); |
| this.processus.start(); |
| } |
| |
| public void run () { |
| int lastDelayVal; |
| Integer lastDelay; |
| while (!this.processus.isInterrupted()) { |
| if (!this.socket.isClosed()) { |
| try { |
| lastDelay = closeIter.get(this.address); |
| if (lastDelay == null) { |
| lastDelayVal = 0; |
| } |
| else { |
| lastDelayVal = lastDelay.intValue(); |
| if (lastDelayVal > 10) |
| lastDelayVal += 20; |
| else lastDelayVal += 1; |
| } |
| |
| lastDelay = new Integer(lastDelayVal); |
| |
| LOG.info("Trying to close client socket " + socket.toString() + " in " + lastDelayVal + " milliseconds"); |
| |
| try { |
| Thread.sleep(lastDelayVal); |
| } catch (InterruptedException e) { |
| this.processus.interrupt(); |
| Thread.currentThread().interrupt(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| this.socket.close(); |
| closeIter.put(this.address, lastDelay); |
| LOG.info("Client socket " + this.socket.toString() + " is closed."); |
| } catch (IOException e) { |
| } |
| } |
| |
| this.processus.interrupt(); |
| } |
| } |
| } |
| |
| private final Bagot bagot; |
| private final Socket socket; |
| |
| public SocketTst(InetAddress address, int port, Random rnd) throws IOException { |
| this.socket = new Socket(address, port); |
| bagot = new Bagot(rnd, this.socket, address); |
| } |
| |
| public SocketTst(InetAddress address, int port, InetAddress localAddr, int localPort, Random rnd) throws IOException { |
| this.socket = new Socket(address, port, localAddr, localPort); |
| bagot = new Bagot(rnd, this.socket, address); |
| } |
| |
| public SocketTst(String address, int port, Random rnd) throws UnknownHostException, IOException { |
| this.socket = new Socket(address, port); |
| bagot = new Bagot(rnd, this.socket, InetAddress.getByName(address)); |
| } |
| |
| public SocketTst(String address, int port, InetAddress localAddr, int localPort, Random rnd) throws IOException { |
| this.socket = new Socket(address, port, localAddr, localPort); |
| bagot = new Bagot(rnd, this.socket, InetAddress.getByName(address)); |
| } |
| |
| public Socket getSocket() { |
| return this.socket; |
| } |
| |
| public void startBagot() { |
| bagot.start(); |
| } |
| }; |
| |
| private final Random rnd; |
| |
| public SocketTstFactory() { |
| super(); |
| LOG.info("Creating a new SocketTstFactory"); |
| this.rnd = new Random(); |
| } |
| |
| public Socket createSocket(InetAddress host, int port) throws IOException { |
| SocketTst sockTst; |
| sockTst = new SocketTst(host, port, this.rnd); |
| sockTst.startBagot(); |
| return sockTst.getSocket(); |
| } |
| |
| public Socket createSocket(InetAddress host, int port, InetAddress localAddress, int localPort) throws IOException { |
| SocketTst sockTst; |
| sockTst = new SocketTst(host, port, localAddress, localPort, this.rnd); |
| sockTst.startBagot(); |
| return sockTst.getSocket(); |
| } |
| |
| public Socket createSocket(String host, int port) throws IOException { |
| SocketTst sockTst; |
| sockTst = new SocketTst(host, port, this.rnd); |
| sockTst.startBagot(); |
| return sockTst.getSocket(); |
| } |
| |
| public Socket createSocket(String host, int port, InetAddress localAddress, int localPort) throws IOException { |
| SocketTst sockTst; |
| sockTst = new SocketTst(host, port, localAddress, localPort, this.rnd); |
| sockTst.startBagot(); |
| return sockTst.getSocket(); |
| } |
| |
| private final static SocketTstFactory client = new SocketTstFactory(); |
| |
| public static SocketFactory getDefault() { |
| return client; |
| } |
| } |