1 /* 2 * Copyright (c) 2001, 2012, 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.net.*; 31 import java.nio.*; 32 import java.nio.channels.*; 33 import java.nio.channels.spi.SelectorProvider; 34 import java.util.*; 35 36 public class Connect { 37 38 static int success = 0; 39 static int LIMIT = 100; 40 41 public static void main(String[] args) throws Exception { 42 try (TestUtil.DayTimeServer daytimeServer = 43 TestUtil.DayTimeServer.startNewServer(50)) { 44 scaleTest(daytimeServer); 45 } 46 } 47 48 static void scaleTest(TestUtil.DayTimeServer daytimeServer) 49 throws Exception { 50 InetAddress myAddress = daytimeServer.getAddress(); 51 InetSocketAddress isa = 52 new InetSocketAddress(myAddress, daytimeServer.getPort()); 53 54 for (int j=0; j<LIMIT; j++) { 55 SocketChannel sc = SocketChannel.open(); 56 sc.configureBlocking(false); 57 boolean connected = sc.connect(isa); 58 if (!connected) { 59 Selector RSelector = SelectorProvider.provider().openSelector(); 60 SelectionKey RKey = sc.register (RSelector, SelectionKey.OP_CONNECT); 61 while (!connected) { 62 int keysAdded = RSelector.select(100); 63 if (keysAdded > 0) { 64 Set<SelectionKey> readyKeys = RSelector.selectedKeys(); 65 Iterator<SelectionKey> i = readyKeys.iterator(); 66 while (i.hasNext()) { 67 SelectionKey sk = i.next(); 68 SocketChannel nextReady = (SocketChannel)sk.channel(); 69 connected = nextReady.finishConnect(); 70 } 71 readyKeys.clear(); 72 } 73 } 74 RSelector.close(); 75 } 76 readAndClose(sc); 77 } 78 } 79 80 static void readAndClose(SocketChannel sc) throws Exception { 81 ByteBuffer bb = ByteBuffer.allocateDirect(100); 82 int n = 0; 83 while (n == 0) // Note this is not a rigorous check for done reading 84 n = sc.read(bb); 85 //bb.position(bb.position() - 2); 86 //bb.flip(); 87 //CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb); 88 //System.out.println("Received: \"" + cb + "\""); 89 sc.close(); 90 success++; 91 } 92 }