1 /* 2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 * @bug 4511624 26 * @summary Test Making lots of Selectors 27 * @library .. 28 */ 29 30 import java.io.*; 31 import java.net.*; 32 import java.nio.*; 33 import java.nio.channels.*; 34 import java.util.*; 35 import java.nio.channels.spi.SelectorProvider; 36 37 public class Connect { 38 39 static int success = 0; 40 static int LIMIT = 100; 41 42 public static void main(String[] args) throws Exception { 43 scaleTest(); 44 } 45 46 public static void scaleTest() throws Exception { 47 InetAddress myAddress=InetAddress.getByName(TestUtil.HOST); 48 InetSocketAddress isa = new InetSocketAddress(myAddress,13); 49 50 for (int j=0; j<LIMIT; j++) { 51 SocketChannel sc = SocketChannel.open(); 52 sc.configureBlocking(false); 53 boolean connected = sc.connect(isa); 54 if (!connected) { 55 Selector RSelector = SelectorProvider.provider().openSelector(); 56 SelectionKey RKey = sc.register (RSelector, SelectionKey.OP_CONNECT); 57 while (!connected) { 58 int keysAdded = RSelector.select(100); 59 if (keysAdded > 0) { 60 Set<SelectionKey> readyKeys = RSelector.selectedKeys(); 61 Iterator<SelectionKey> i = readyKeys.iterator(); 62 while (i.hasNext()) { 63 SelectionKey sk = i.next(); 64 SocketChannel nextReady = (SocketChannel)sk.channel(); 65 connected = nextReady.finishConnect(); 66 } 67 readyKeys.clear(); 68 } 69 } 70 RSelector.close(); 71 } 72 readAndClose(sc); 73 } 74 } 75 76 static void readAndClose(SocketChannel sc) throws Exception { 77 ByteBuffer bb = ByteBuffer.allocateDirect(100); 78 int n = 0; 79 while (n == 0) // Note this is not a rigorous check for done reading 80 n = sc.read(bb); 81 //bb.position(bb.position() - 2); 82 //bb.flip(); 83 //CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb); 84 //System.out.println("Received: \"" + cb + "\""); 85 sc.close(); 86 success++; 87 } 88 }