Github user swill commented on a diff in the pull request: https://github.com/apache/cloudstack/pull/1493#discussion_r59799743 --- Diff: utils/src/test/java/com/cloud/utils/testcase/NioTest.java --- @@ -19,146 +19,198 @@ package com.cloud.utils.testcase; -import java.nio.channels.ClosedChannelException; -import java.util.Random; - -import junit.framework.TestCase; - -import org.apache.log4j.Logger; -import org.junit.Assert; - +import com.cloud.utils.concurrency.NamedThreadFactory; import com.cloud.utils.exception.NioConnectionException; import com.cloud.utils.nio.HandlerFactory; import com.cloud.utils.nio.Link; import com.cloud.utils.nio.NioClient; import com.cloud.utils.nio.NioServer; import com.cloud.utils.nio.Task; import com.cloud.utils.nio.Task.Type; +import org.apache.log4j.Logger; +import org.junit.After; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; -/** - * - * - * - * - */ +import java.io.IOException; +import java.net.InetSocketAddress; +import java.nio.channels.ClosedChannelException; +import java.nio.channels.Selector; +import java.nio.channels.SocketChannel; +import java.util.ArrayList; +import java.util.List; +import java.util.Random; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; + +public class NioTest { -public class NioTest extends TestCase { + private static final Logger LOGGER = Logger.getLogger(NioTest.class); - private static final Logger s_logger = Logger.getLogger(NioTest.class); + final private int totalTestCount = 10; + private int completedTestCount = 0; - private NioServer _server; - private NioClient _client; + private NioServer server; + private List<NioClient> clients = new ArrayList<>(); + private List<NioClient> maliciousClients = new ArrayList<>(); - private Link _clientLink; + private ExecutorService clientExecutor = Executors.newFixedThreadPool(totalTestCount, new NamedThreadFactory("NioClientHandler"));; + private ExecutorService maliciousExecutor = Executors.newFixedThreadPool(5*totalTestCount, new NamedThreadFactory("MaliciousNioClientHandler"));; - private int _testCount; - private int _completedCount; + private Random randomGenerator = new Random(); + private byte[] testBytes; private boolean isTestsDone() { boolean result; synchronized (this) { - result = _testCount == _completedCount; + result = totalTestCount == completedTestCount; } return result; } - private void getOneMoreTest() { - synchronized (this) { - _testCount++; - } - } - private void oneMoreTestDone() { synchronized (this) { - _completedCount++; + completedTestCount++; } } - @Override + @Before public void setUp() { - s_logger.info("Test"); + LOGGER.info("Setting up Benchmark Test"); - _testCount = 0; - _completedCount = 0; - - _server = new NioServer("NioTestServer", 7777, 5, new NioTestServer()); - try { - _server.start(); - } catch (final NioConnectionException e) { - fail(e.getMessage()); - } + completedTestCount = 0; + testBytes = new byte[1000000]; + randomGenerator.nextBytes(testBytes); - _client = new NioClient("NioTestServer", "127.0.0.1", 7777, 5, new NioTestClient()); + // Server configured with one worker + server = new NioServer("NioTestServer", 7777, 1, new NioTestServer()); try { - _client.start(); + server.start(); } catch (final NioConnectionException e) { - fail(e.getMessage()); + Assert.fail(e.getMessage()); } - while (_clientLink == null) { - try { - s_logger.debug("Link is not up! Waiting ..."); - Thread.sleep(1000); - } catch (final InterruptedException e) { - // TODO Auto-generated catch block - e.printStackTrace(); + // 5 malicious clients per valid client + for (int i = 0; i < totalTestCount; i++) { + for (int j = 0; j < 5; j++) { + final NioClient maliciousClient = new NioMaliciousClient("NioMaliciousTestClient-" + i, "127.0.0.1", 7777, 1, new NioMaliciousTestClient()); + maliciousClients.add(maliciousClient); + maliciousExecutor.submit(new ThreadedNioClient(maliciousClient)); } + final NioClient client = new NioClient("NioTestClient-" + i, "127.0.0.1", 7777, 1, new NioTestClient()); + clients.add(client); + clientExecutor.submit(new ThreadedNioClient(client)); } } - @Override + @After public void tearDown() { + stopClient(); + stopServer(); + } + + protected void stopClient() { + for (NioClient client : clients) { + client.stop(); + } + for (NioClient maliciousClient : maliciousClients) { + maliciousClient.stop(); + } + LOGGER.info("Clients stopped."); + } + + protected void stopServer() { + server.stop(); + LOGGER.info("Server stopped."); + } + + @Test + public void testConnection() { + final long currentTime = System.currentTimeMillis(); while (!isTestsDone()) { + if (System.currentTimeMillis() - currentTime > 600000) { + Assert.fail("Failed to complete test within 600s"); + } try { - s_logger.debug(_completedCount + "/" + _testCount + " tests done. Waiting for completion"); + LOGGER.debug(completedTestCount + "/" + totalTestCount + " tests done. Waiting for completion"); Thread.sleep(1000); } catch (final InterruptedException e) { - // TODO Auto-generated catch block - e.printStackTrace(); + Assert.fail(e.getMessage()); } } - stopClient(); - stopServer(); + LOGGER.debug(completedTestCount + "/" + totalTestCount + " tests done."); } - protected void stopClient() { - _client.stop(); - s_logger.info("Client stopped."); + protected void doServerProcess(final byte[] data) { + oneMoreTestDone(); + Assert.assertArrayEquals(testBytes, data); + LOGGER.info("Verify data received by server done."); } - protected void stopServer() { - _server.stop(); - s_logger.info("Server stopped."); + public byte[] getTestBytes() { + return testBytes; } - protected void setClientLink(final Link link) { - _clientLink = link; + public class ThreadedNioClient implements Runnable { + final private NioClient client; + ThreadedNioClient(final NioClient client) { + this.client = client; + } + + @Override + public void run() { + try { + client.start(); + } catch (NioConnectionException e) { + Assert.fail(e.getMessage()); + } + } } - Random randomGenerator = new Random(); + public class NioMaliciousClient extends NioClient { - byte[] _testBytes; + public NioMaliciousClient(String name, String host, int port, int workers, HandlerFactory factory) { + super(name, host, port, workers, factory); + } - public void testConnection() { - _testBytes = new byte[1000000]; - randomGenerator.nextBytes(_testBytes); - try { - getOneMoreTest(); - _clientLink.send(_testBytes); - s_logger.info("Client: Data sent"); - getOneMoreTest(); - _clientLink.send(_testBytes); - s_logger.info("Client: Data sent"); - } catch (final ClosedChannelException e) { - // TODO Auto-generated catch block - e.printStackTrace(); + @Override + protected void init() throws IOException { + _selector = Selector.open(); + try { + _clientConnection = SocketChannel.open(); + LOGGER.info("Connecting to " + _host + ":" + _port); + final InetSocketAddress peerAddr = new InetSocketAddress(_host, _port); + _clientConnection.connect(peerAddr); + // Hang in there don't do anything + Thread.sleep(3600000); --- End diff -- Sorry, I am trying to stay on top of stuff that I have not fully caught up on. I read it in my email and only checked the code quickly and didn't realize that the test did not have to wait the full duration of the sleep.
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