Updates for better ThreadStarvationTests
This commit is contained in:
Joakim Erdfelt
parent
bb428fb402
commit
efc227e0e4
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@ -19,6 +19,7 @@
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package org.eclipse.jetty.server;
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import static org.hamcrest.Matchers.containsString;
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import static org.hamcrest.Matchers.is;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertThat;
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@ -31,9 +32,12 @@ import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.Callable;
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import java.util.concurrent.Executor;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Future;
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import java.util.concurrent.TimeUnit;
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import javax.net.ssl.HttpsURLConnection;
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import javax.net.ssl.SSLContext;
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@ -64,8 +68,8 @@ public class ThreadStarvationTest
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{
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final static int BUFFER_SIZE=1024*1024;
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final static int BUFFERS=64;
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final static int CLIENTS=10;
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final static int THREADS=5;
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final static int CLIENTS=THREADS*2;
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@Rule
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public TestTracker tracker = new TestTracker();
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@ -201,47 +205,81 @@ public class ThreadStarvationTest
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{
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prepareServer(new ReadHandler());
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_server.start();
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ExecutorService clientExecutors = Executors.newFixedThreadPool(CLIENTS);
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List<Callable<String>> clientTasks = new ArrayList<>();
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for(int i=0; i<CLIENTS; i++) {
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clientTasks.add(() ->
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{
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try (Socket client = clientSocketProvider.newSocket("localhost", _connector.getLocalPort());
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OutputStream out = client.getOutputStream();
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InputStream in = client.getInputStream())
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{
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client.setSoTimeout(10000);
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Socket[] client = new Socket[CLIENTS];
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OutputStream[] os = new OutputStream[client.length];
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InputStream[] is = new InputStream[client.length];
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for (int i = 0; i < client.length; i++)
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{
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client[i] = clientSocketProvider.newSocket("localhost", _connector.getLocalPort());
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client[i].setSoTimeout(10000);
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os[i] = client[i].getOutputStream();
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is[i] = client[i].getInputStream();
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String request = "" +
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"PUT / HTTP/1.0\r\n" +
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"host: localhost\r\n" +
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"content-length: 10\r\n" +
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"\r\n" +
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"1";
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os[i].write(request.getBytes(StandardCharsets.UTF_8));
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os[i].flush();
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String request = "" +
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"PUT / HTTP/1.0\r\n" +
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"host: localhost\r\n" +
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"content-length: 10\r\n" +
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"\r\n" +
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"1";
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// Write partial request
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out.write(request.getBytes(StandardCharsets.UTF_8));
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out.flush();
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// Finish Request
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Thread.sleep(1500);
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out.write(("234567890\r\n").getBytes(StandardCharsets.UTF_8));
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out.flush();
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// Read Response
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String response = IO.toString(in);
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assertEquals(-1, in.read());
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return response;
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}
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});
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}
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Thread.sleep(500);
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_threadPool.dump(System.out, "");
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for (int i = 0; i < client.length; i++)
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// new Thread(()->{
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// try
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// {
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// TimeUnit.SECONDS.sleep(10);
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//
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// ServerConnector conn = _server.getBean(ServerConnector.class);
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// ManagedSelector ms = conn.getSelectorManager().getBean(ManagedSelector.class);
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//
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// Selector sel = ms.getSelector();
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// sel.keys().stream().map((key)->key.attachment()).forEach(
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// (attach) -> {
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// System.out.println(attach);
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// SocketChannelEndPoint endp = (SocketChannelEndPoint) attach;
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// SslConnection sslconn = (SslConnection) endp.getConnection();
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// sslconn.dumpBuffers();
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// });
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//
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// _server.dump(System.out, "");
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// }
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// catch (Throwable ignore)
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// {
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// }
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// }).start();
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try
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{
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os[i].write(("234567890\r\n").getBytes(StandardCharsets.UTF_8));
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os[i].flush();
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}
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Thread.sleep(500);
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_threadPool.dump(System.out, "");
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for (int i = 0; i < client.length; i++)
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List<Future<String>> responses = clientExecutors.invokeAll(clientTasks, 60, TimeUnit.SECONDS);
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for (Future<String> responseFut : responses)
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{
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String response = responseFut.get();
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assertThat(response, containsString("200 OK"));
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assertThat(response, containsString("Read Input 10"));
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}
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} finally
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{
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String response = IO.toString(is[i]);
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assertEquals(-1, is[i].read());
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assertThat(response, containsString("200 OK"));
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assertThat(response, containsString("Read Input 10"));
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clientExecutors.shutdownNow();
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}
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}
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@ -279,121 +317,71 @@ public class ThreadStarvationTest
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{
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prepareServer(new WriteHandler());
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_server.start();
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Socket[] client = new Socket[CLIENTS];
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OutputStream[] os = new OutputStream[client.length];
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final InputStream[] is = new InputStream[client.length];
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for (int i = 0; i < client.length; i++)
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{
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client[i] = clientSocketProvider.newSocket("localhost", _connector.getLocalPort());
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client[i].setSoTimeout(10000);
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os[i] = client[i].getOutputStream();
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is[i] = client[i].getInputStream();
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String request =
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"GET / HTTP/1.0\r\n" +
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"host: localhost\r\n" +
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"\r\n";
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os[i].write(request.getBytes(StandardCharsets.UTF_8));
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os[i].flush();
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}
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Thread.sleep(100);
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final AtomicLong total=new AtomicLong();
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final CountDownLatch latch=new CountDownLatch(client.length);
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for (int i = client.length; i-->0;)
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{
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final int c=i;
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new Thread()
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{
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@Override
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public void run()
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{
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byte[] content=new byte[BUFFER_SIZE];
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int content_length=0;
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String header= "No HEADER!";
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try
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{
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// Read an initial content buffer
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int len=0;
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while (len<BUFFER_SIZE)
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{
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int l=is[c].read(content,len,content.length-len);
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if (l<0)
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throw new IllegalStateException();
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len+=l;
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content_length+=l;
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}
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// Look for the end of the header
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int state=0;
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loop: for(int j=0;j<len;j++)
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{
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content_length--;
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switch(content[j])
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{
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case '\r':
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state++;
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break;
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case '\n':
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switch(state)
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{
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case 1:
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state=2;
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break;
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case 3:
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header=new String(content,0,j,StandardCharsets.ISO_8859_1);
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assertThat(header,containsString(" 200 OK"));
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break loop;
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}
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break;
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default:
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state=0;
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break;
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}
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}
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// Read the rest of the body
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while(len>0)
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{
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len=is[c].read(content);
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if (len>0)
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content_length+=len;
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}
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// System.err.printf("client %d cl=%d %n%s%n",c,content_length,header);
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total.addAndGet(content_length);
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}
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catch(Exception e)
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{
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e.printStackTrace();
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}
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finally
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{
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latch.countDown();
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}
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}
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}.start();
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}
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latch.await();
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assertEquals(CLIENTS*BUFFERS*BUFFER_SIZE,total.get());
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}
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ExecutorService clientExecutors = Executors.newFixedThreadPool(CLIENTS);
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List<Callable<Long>> clientTasks = new ArrayList<>();
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for(int i=0; i<CLIENTS; i++) {
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clientTasks.add(() ->
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{
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try (Socket client = clientSocketProvider.newSocket("localhost", _connector.getLocalPort());
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OutputStream out = client.getOutputStream();
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InputStream in = client.getInputStream())
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{
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client.setSoTimeout(30000);
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String request = "" +
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"GET / HTTP/1.0\r\n" +
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"host: localhost\r\n" +
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"\r\n";
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// Write GET request
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out.write(request.getBytes(StandardCharsets.UTF_8));
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out.flush();
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TimeUnit.MILLISECONDS.sleep(1500);
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// Read Response
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long bodyCount = 0;
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long len;
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byte buf[] = new byte[1024];
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while((len = in.read(buf,0,buf.length)) != -1)
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{
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for(int x=0; x<len; x++)
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{
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if(buf[x] == '!') bodyCount++;
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}
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}
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return bodyCount;
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}
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});
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}
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try
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{
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List<Future<Long>> responses = clientExecutors.invokeAll(clientTasks, 60, TimeUnit.SECONDS);
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long expected = BUFFERS * BUFFER_SIZE;
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for (Future<Long> responseFut : responses)
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{
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Long bodyCount = responseFut.get();
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assertThat(bodyCount.longValue(), is(expected));
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}
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} finally
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{
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clientExecutors.shutdownNow();
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}
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}
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protected static class WriteHandler extends AbstractHandler
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{
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byte[] content=new byte[BUFFER_SIZE];
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{
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Arrays.fill(content,(byte)'x');
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// Using a character that will not show up in a HTTP response header
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Arrays.fill(content,(byte)'!');
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}
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@Override
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@ -410,6 +398,4 @@ public class ThreadStarvationTest
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}
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}
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}
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}
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