JMeter example source code file (HttpMirrorServer.java)

This example JMeter source code file (HttpMirrorServer.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - JMeter tags/keywords

accept_timeout, creating, exception, exception, httpmirror, httpmirror, httpmirrorserver, httpmirrorserver, httpmirrorthread, io, mirror, net, network, override, server, server, serversocket

The JMeter HttpMirrorServer.java source code

/*
 * 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.jmeter.protocol.http.control;

import java.io.InterruptedIOException;
import java.net.ServerSocket;
import java.net.Socket;

import org.apache.jorphan.logging.LoggingManager;
import org.apache.jorphan.util.JOrphanUtils;
import org.apache.log.Logger;

/**
 * Server daemon thread.
 * Creates main socket and listens on it.
 * For each client request, creates a thread to handle the request.
 *
 */
public class HttpMirrorServer extends Thread {
    private static final Logger log = LoggingManager.getLoggerForClass();

    /**
     * The time (in milliseconds) to wait when accepting a client connection.
     * The accept will be retried until the Daemon is told to stop. So this
     * interval is the longest time that the Daemon will have to wait after
     * being told to stop.
     */
    private static final int ACCEPT_TIMEOUT = 1000;

    /** The port to listen on. */
    private final int daemonPort;

    /** True if the Daemon is currently running. */
    private volatile boolean running;

    // Saves the error if one occurs
    private volatile Exception except;

    /**
     * Create a new Daemon with the specified port and target.
     *
     * @param port
     *            the port to listen on.
     */
    public HttpMirrorServer(int port) {
        super("HttpMirrorServer");
        this.daemonPort = port;
    }

    /**
     * Listen on the daemon port and handle incoming requests. This method will
     * not exit until {@link #stopServer()} is called or an error occurs.
     */
    @Override
    public void run() {
        except = null;
        running = true;
        ServerSocket mainSocket = null;

        try {
            log.info("Creating HttpMirror ... on port " + daemonPort);
            mainSocket = new ServerSocket(daemonPort);
            mainSocket.setSoTimeout(ACCEPT_TIMEOUT);
            log.info("HttpMirror up and running!");

            while (running) {
                try {
                    // Listen on main socket
                    Socket clientSocket = mainSocket.accept();
                    if (running) {
                        // Pass request to new thread
                        HttpMirrorThread thd = new HttpMirrorThread(clientSocket);
                        log.info("Starting new Mirror thread");
                        thd.start();
                    } else {
                        log.warn("Server not running");
                        JOrphanUtils.closeQuietly(clientSocket);
                    }
                } catch (InterruptedIOException e) {
                    // Timeout occurred. Ignore, and keep looping until we're
                    // told to stop running.
                }
            }
            log.info("HttpMirror Server stopped");
        } catch (Exception e) {
            except = e;
            log.warn("HttpMirror Server stopped", e);
        } finally {
            JOrphanUtils.closeQuietly(mainSocket);
        }
    }

    public void stopServer() {
        running = false;
    }

    public Exception getException(){
        return except;
    }

    public static void main(String args[]){
        int port = 8080;
        if (args.length > 0){
            port = Integer.parseInt(args[0]);
        }
        HttpMirrorServer serv = new HttpMirrorServer(port);
        serv.start();
    }
}