| /* |
| * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @bug 4511624 |
| * @summary Test Making lots of Selectors |
| * @library .. |
| */ |
| |
| import java.net.*; |
| import java.nio.*; |
| import java.nio.channels.*; |
| import java.nio.channels.spi.SelectorProvider; |
| import java.util.*; |
| |
| public class Connect { |
| |
| static int success = 0; |
| static int LIMIT = 100; |
| |
| public static void main(String[] args) throws Exception { |
| try (TestServers.DayTimeServer daytimeServer |
| = TestServers.DayTimeServer.startNewServer(50)) { |
| scaleTest(daytimeServer); |
| } |
| } |
| |
| static void scaleTest(TestServers.DayTimeServer daytimeServer) |
| throws Exception |
| { |
| InetAddress myAddress = daytimeServer.getAddress(); |
| InetSocketAddress isa |
| = new InetSocketAddress(myAddress, daytimeServer.getPort()); |
| |
| for (int j=0; j<LIMIT; j++) { |
| SocketChannel sc = SocketChannel.open(); |
| sc.configureBlocking(false); |
| boolean connected = sc.connect(isa); |
| if (!connected) { |
| Selector RSelector = SelectorProvider.provider().openSelector(); |
| SelectionKey RKey = sc.register (RSelector, SelectionKey.OP_CONNECT); |
| while (!connected) { |
| int keysAdded = RSelector.select(100); |
| if (keysAdded > 0) { |
| Set<SelectionKey> readyKeys = RSelector.selectedKeys(); |
| Iterator<SelectionKey> i = readyKeys.iterator(); |
| while (i.hasNext()) { |
| SelectionKey sk = i.next(); |
| SocketChannel nextReady = (SocketChannel)sk.channel(); |
| connected = nextReady.finishConnect(); |
| } |
| readyKeys.clear(); |
| } |
| } |
| RSelector.close(); |
| } |
| readAndClose(sc); |
| } |
| } |
| |
| static void readAndClose(SocketChannel sc) throws Exception { |
| ByteBuffer bb = ByteBuffer.allocateDirect(100); |
| int n = 0; |
| while (n == 0) // Note this is not a rigorous check for done reading |
| n = sc.read(bb); |
| //bb.position(bb.position() - 2); |
| //bb.flip(); |
| //CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb); |
| //System.out.println("Received: \"" + cb + "\""); |
| sc.close(); |
| success++; |
| } |
| } |