96 lines
3.5 KiB
Java
96 lines
3.5 KiB
Java
/*
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* Copyright (c) 2001, 2018, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4511624
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* @summary Test Making lots of Selectors
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* @library .. /test/lib
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* @build jdk.test.lib.Utils TestServers
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* @run main Connect
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*/
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import java.net.*;
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import java.nio.*;
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import java.nio.channels.*;
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import java.nio.channels.spi.SelectorProvider;
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import java.util.*;
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public class Connect {
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static int success = 0;
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static int LIMIT = 100;
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public static void main(String[] args) throws Exception {
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try (TestServers.DayTimeServer daytimeServer
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= TestServers.DayTimeServer.startNewServer(50)) {
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scaleTest(daytimeServer);
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}
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}
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static void scaleTest(TestServers.DayTimeServer daytimeServer)
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throws Exception
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{
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InetAddress myAddress = daytimeServer.getAddress();
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InetSocketAddress isa
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= new InetSocketAddress(myAddress, daytimeServer.getPort());
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for (int j=0; j<LIMIT; j++) {
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SocketChannel sc = SocketChannel.open();
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sc.configureBlocking(false);
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boolean connected = sc.connect(isa);
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if (!connected) {
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Selector RSelector = SelectorProvider.provider().openSelector();
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SelectionKey RKey = sc.register (RSelector, SelectionKey.OP_CONNECT);
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while (!connected) {
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int keysAdded = RSelector.select(100);
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if (keysAdded > 0) {
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Set<SelectionKey> readyKeys = RSelector.selectedKeys();
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Iterator<SelectionKey> i = readyKeys.iterator();
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while (i.hasNext()) {
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SelectionKey sk = i.next();
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SocketChannel nextReady = (SocketChannel)sk.channel();
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connected = nextReady.finishConnect();
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}
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readyKeys.clear();
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}
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}
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RSelector.close();
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}
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readAndClose(sc);
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}
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}
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static void readAndClose(SocketChannel sc) throws Exception {
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ByteBuffer bb = ByteBuffer.allocateDirect(100);
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int n = 0;
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while (n == 0) // Note this is not a rigorous check for done reading
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n = sc.read(bb);
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//bb.position(bb.position() - 2);
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//bb.flip();
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//CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb);
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//System.out.println("Received: \"" + cb + "\"");
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sc.close();
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success++;
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}
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}
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