124 lines
4.2 KiB
Java
124 lines
4.2 KiB
Java
/*
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* Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/**
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* @test
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* @bug 6361557
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* @summary Lightweight HTTP server quickly runs out of file descriptors on Linux
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*/
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import com.sun.net.httpserver.*;
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import java.util.*;
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import java.util.concurrent.*;
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import java.io.*;
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import java.nio.*;
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import java.nio.channels.*;
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import java.net.*;
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import java.security.*;
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import java.security.cert.*;
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import javax.net.ssl.*;
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/**
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* The test simply opens 10,000 separate connections
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* and invokes one http request on each. The client does
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* not close any sockets until after they are closed
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* by the server. This verifies the basic ability
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* of the server to manage a reasonable number of connections
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*/
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public class B6361557 {
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public static boolean error = false;
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static class Handler implements HttpHandler {
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int invocation = 1;
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public void handle (HttpExchange t)
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throws IOException
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{
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InputStream is = t.getRequestBody();
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Headers map = t.getRequestHeaders();
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Headers rmap = t.getResponseHeaders();
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while (is.read () != -1) ;
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is.close();
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t.sendResponseHeaders (200, -1);
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t.close();
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}
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}
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public static void main (String[] args) throws Exception {
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Handler handler = new Handler();
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InetSocketAddress addr = new InetSocketAddress (0);
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HttpServer server = HttpServer.create (addr, 0);
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HttpContext ctx = server.createContext ("/test", handler);
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ExecutorService executor = Executors.newCachedThreadPool();
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server.setExecutor (executor);
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server.start ();
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final int NUM = 10000;
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ByteBuffer buf = ByteBuffer.allocate (4096);
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InetSocketAddress destaddr = new InetSocketAddress (
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"127.0.0.1", server.getAddress().getPort()
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);
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System.out.println ("destaddr " + destaddr);
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Selector selector = Selector.open ();
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int i = 0;
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while (true) {
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i ++;
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int selres = selector.select (1);
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Set<SelectionKey> selkeys = selector.selectedKeys();
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for (SelectionKey key : selkeys) {
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if (key.isReadable()) {
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SocketChannel chan = (SocketChannel)key.channel();
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buf.clear();
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try {
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int x = chan.read (buf);
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if (x == -1) {
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chan.close();
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}
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} catch (IOException e) {}
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}
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}
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if (i< NUM) {
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SocketChannel schan = SocketChannel.open (destaddr);
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String cmd = "GET /test/foo.html HTTP/1.1\r\nContent-length: 0\r\n\r\n";
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buf.rewind ();
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buf.put (cmd.getBytes());
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buf.flip();
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int c = 0;
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while (buf.remaining() > 0) {
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c += schan.write (buf);
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}
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schan.configureBlocking (false);
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schan.register (selector, SelectionKey.OP_READ, null);
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} else {
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System.out.println ("Finished clients");
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server.stop (1);
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executor.shutdown ();
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return;
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}
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}
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}
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}
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