1 /* 2 * Copyright (c) 2001, 2018, 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 8195160 26 * @summary Test Test Making lots of Selectors 27 * @requires (os.family == "linux") 28 * @library .. /test/lib 29 * @build jdk.test.lib.Utils TestServers 30 * @build RsocketTest 31 * @run main/othervm -Djava.net.preferIPv4Stack=true Connect 32 */ 33 34 import java.net.*; 35 import java.nio.*; 36 import java.nio.channels.*; 37 import java.nio.channels.spi.SelectorProvider; 38 import java.util.*; 39 import jdk.net.Sockets; 40 41 public class Connect implements Runnable { 42 43 static int success = 0; 44 static int LIMIT = 30; 45 static SocketChannel sc; 46 static InetSocketAddress isa; 47 static boolean connected; 48 49 public static void main(String[] args) throws Exception { 50 if (!RsocketTest.isRsocketAvailable()) 51 return; 52 53 try (TestServers.DayTimeServer daytimeServer 54 = TestServers.DayTimeServer.startNewServer(50)) { 55 scaleTest(daytimeServer); 56 } 57 } 58 59 static void scaleTest(TestServers.DayTimeServer daytimeServer) 60 throws Exception 61 { 62 InetAddress myAddress = daytimeServer.getAddress(); 63 isa = new InetSocketAddress(myAddress, daytimeServer.getPort()); 64 65 for (int j=0; j<LIMIT; j++) { 66 sc = Sockets.openRdmaSocketChannel(); 67 sc.configureBlocking(false); 68 69 Thread t = new Thread (new Connect()); 70 t.start(); 71 t.join(); 72 if (!connected) { 73 Selector RSelector = Sockets.openRdmaSelector(); 74 SelectionKey RKey = sc.register (RSelector, SelectionKey.OP_CONNECT); 75 while (!connected) { 76 int keysAdded = RSelector.select(100); 77 if (keysAdded > 0) { 78 Set<SelectionKey> readyKeys = RSelector.selectedKeys(); 79 Iterator<SelectionKey> i = readyKeys.iterator(); 80 while (i.hasNext()) { 81 SelectionKey sk = i.next(); 82 SocketChannel nextReady = (SocketChannel)sk.channel(); 83 connected = nextReady.finishConnect(); 84 } 85 readyKeys.clear(); 86 } 87 } 88 RSelector.close(); 89 } 90 readAndClose(sc); 91 } 92 } 93 94 static void readAndClose(SocketChannel sc) throws Exception { 95 ByteBuffer bb = ByteBuffer.allocateDirect(100); 96 int n = 0; 97 while (n == 0) // Note this is not a rigorous check for done reading 98 n = sc.read(bb); 99 sc.close(); 100 success++; 101 System.out.println("success count = " + success); 102 } 103 104 public void run() { 105 try { 106 connected = sc.connect(isa); 107 System.out.println("connected = " + connected); 108 } catch (Exception e) { 109 e.printStackTrace(); 110 throw new RuntimeException("Test Failed!"); 111 } 112 } 113 }