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102 lines
2.9 KiB
102 lines
2.9 KiB
9 years ago
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// URLLicense.java
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// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 03.07.2007 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.data;
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import java.net.MalformedURLException;
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import net.yacy.cora.document.id.DigestURL;
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import net.yacy.cora.util.ConcurrentLog;
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/**
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* Test URLLicence reliability when used by concurrent threads
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*
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* @author luc
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*
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*/
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public class URLLicenseConcurrentTest {
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/**
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* Thread emulating a client who tries to fetch some url content.
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* @author luc
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*
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*/
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private static class ClientThread extends Thread {
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private String testURL = "http://yacy.net";
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private int steps = 100000;
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@Override
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public void run() {
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System.out.println(this.getName() + " started...");
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DigestURL url = null;
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try {
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url = new DigestURL(this.testURL);
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} catch (MalformedURLException e1) {
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e1.printStackTrace();
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}
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String normalizedURL = url.toNormalform(true);
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for (int step = 0; step < this.steps; step++) {
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String license = URLLicense.aquireLicense(url);
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// You can eventually call here Thread.sleep()
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String retrievedURL = URLLicense.releaseLicense(license);
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if (!normalizedURL.equals(retrievedURL)) {
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System.err.println("Licence lost! license : " + license + ", step : " + step + ", Thread : " + this.getName());
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}
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}
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System.out.println(this.getName() + " finished!");
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}
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}
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/**
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* Runs clients concurrently : until the end, no error message should be displayed in console.
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* @param args
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*/
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public static void main(String args[]) {
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long beginTime = System.nanoTime();
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try {
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ClientThread[] threads = new ClientThread[10];
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for (int i = 0; i < threads.length; i++) {
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threads[i] = new URLLicenseConcurrentTest.ClientThread();
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threads[i].setName("ClientThread" + i);
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threads[i].start();
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}
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for (int i = 0; i < threads.length; i++) {
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try {
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threads[i].join();
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} catch (InterruptedException e) {
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}
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}
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} finally {
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long time = System.nanoTime() - beginTime;
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System.out.println("Test run in " + time / 1000000 + "ms");
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ConcurrentLog.shutdown();
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}
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}
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}
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