Package org.apache.http.client.benchmark

Source Code of org.apache.http.client.benchmark.Benchmark$RandomDataHandler

/*
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*  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.
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* This software consists of voluntary contributions made by many
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package org.apache.http.client.benchmark;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Writer;
import java.net.URI;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.eclipse.jetty.http.HttpStatus;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.bio.SocketConnector;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.eclipse.jetty.util.ByteArrayOutputStream2;
import org.eclipse.jetty.util.IO;
import org.eclipse.jetty.util.thread.QueuedThreadPool;

public class Benchmark {

    public static void main(String[] args) throws Exception {

        String ns = System.getProperty("hc.benchmark.n-requests", "200000");
        String nc = System.getProperty("hc.benchmark.concurrent", "20");
        String cls = System.getProperty("hc.benchmark.content-len", "2048");

        int n = Integer.parseInt(ns);
        int c = Integer.parseInt(nc);
        int contentLen = Integer.parseInt(cls);

        SocketConnector connector = new SocketConnector();
        connector.setPort(0);
        connector.setRequestBufferSize(12 * 1024);
        connector.setResponseBufferSize(12 * 1024);
        connector.setAcceptors(2);
        connector.setAcceptQueueSize(c);

        QueuedThreadPool threadpool = new QueuedThreadPool();
        threadpool.setMinThreads(c);
        threadpool.setMaxThreads(2000);

        Server server = new Server();
        server.addConnector(connector);
        server.setThreadPool(threadpool);
        server.setHandler(new RandomDataHandler());

        server.start();
        int port = connector.getLocalPort();

        TestHttpAgent[] agents = new TestHttpAgent[] {
                new TestHttpClient3(),
                new TestHttpJRE(),
                new TestHttpCore(),
                new TestHttpClient4(),
                new TestJettyHttpClient(),
                new TestNingHttpClient()
        };

        byte[] content = new byte[contentLen];
        int r = Math.abs(content.hashCode());
        for (int i = 0; i < content.length; i++) {
            content[i] = (byte) ((r + i) % 96 + 32);
        }

        URI warmup = new URI("http", null, "localhost", port, "/rnd", "c=2048", null);
        URI target1 = new URI("http", null, "localhost", port, "/rnd", "c=" + contentLen, null);
        URI target2 = new URI("http", null, "localhost", port, "/echo", null, null);

        try {
            for (TestHttpAgent agent: agents) {
                try {
                    agent.init();
                    // Warm up
                    agent.get(warmup, 500, 2);
                    // Sleep a little
                    Thread.sleep(5000);

                    System.out.println("=================================");
                    System.out.println("HTTP agent: " + agent.getClientName());
                    System.out.println("---------------------------------");
                    System.out.println(n + " GET requests");
                    System.out.println("---------------------------------");

                    long startTime1 = System.currentTimeMillis();
                    Stats stats1 = agent.get(target1, n, c);
                    long finishTime1 = System.currentTimeMillis();
                    Stats.printStats(target1, startTime1, finishTime1, stats1);
                    System.out.println("---------------------------------");
                    System.out.println(n + " POST requests");
                    System.out.println("---------------------------------");

                    long startTime2 = System.currentTimeMillis();
                    Stats stats2 = agent.post(target2, content, n, c);
                    long finishTime2 = System.currentTimeMillis();
                    Stats.printStats(target2, startTime2, finishTime2, stats2);
                } finally {
                    agent.shutdown();
                }
                System.out.println("---------------------------------");
            }
        } finally {
            server.stop();
        }
        server.join();
    }

    static class RandomDataHandler extends AbstractHandler {

        public RandomDataHandler() {
            super();
        }

        public void handle(
                final String target,
                final Request baseRequest,
                final HttpServletRequest request,
                final HttpServletResponse response) throws IOException, ServletException {
            if (target.equals("/rnd")) {
                rnd(request, response);
            } else if (target.equals("/echo")) {
                echo(request, response);
            } else {
                response.setStatus(HttpStatus.NOT_FOUND_404);
                Writer writer = response.getWriter();
                writer.write("Target not found: " + target);
                writer.flush();
            }
        }

        private void rnd(
                final HttpServletRequest request,
                final HttpServletResponse response) throws IOException {
            int count = 100;
            String s = request.getParameter("c");
            try {
                count = Integer.parseInt(s);
            } catch (NumberFormatException ex) {
                response.setStatus(500);
                Writer writer = response.getWriter();
                writer.write("Invalid query format: " + request.getQueryString());
                writer.flush();
                return;
            }

            response.setStatus(200);
            response.setContentLength(count);

            OutputStream outstream = response.getOutputStream();
            byte[] tmp = new byte[1024];
            int r = Math.abs(tmp.hashCode());
            int remaining = count;
            while (remaining > 0) {
                int chunk = Math.min(tmp.length, remaining);
                for (int i = 0; i < chunk; i++) {
                    tmp[i] = (byte) ((r + i) % 96 + 32);
                }
                outstream.write(tmp, 0, chunk);
                remaining -= chunk;
            }
            outstream.flush();
        }

        private void echo(
                final HttpServletRequest request,
                final HttpServletResponse response) throws IOException {

            ByteArrayOutputStream2 buffer = new ByteArrayOutputStream2();
            InputStream instream = request.getInputStream();
            if (instream != null) {
                IO.copy(instream, buffer);
                buffer.flush();
            }
            byte[] content = buffer.getBuf();

            response.setStatus(200);
            response.setContentLength(content.length);

            OutputStream outstream = response.getOutputStream();
            outstream.write(content);
            outstream.flush();
        }

    }

}
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