/* * Copyright (c) 2002, 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 4650679 * @summary Unit test for socket channels * @library .. */ import java.net.*; import java.nio.*; import java.nio.channels.*; import java.util.*; public class Connect { private static final long INCREMENTAL_DELAY = 30L * 1000L; public static void main(String args[]) throws Exception { try (TestServers.EchoServer echoServer = TestServers.EchoServer.startNewServer(1000)) { test1(echoServer); } try { TestServers.RefusingServer refusingServer = TestServers.RefusingServer.startNewServer(); test1(refusingServer); throw new Exception("Refused connection throws no exception"); } catch (ConnectException ce) { // Correct result } } static void test1(TestServers.AbstractServer server) throws Exception { Selector selector; SocketChannel sc; SelectionKey sk; InetSocketAddress isa = new InetSocketAddress( server.getAddress(), server.getPort()); sc = SocketChannel.open(); sc.configureBlocking(false); selector = Selector.open(); sk = sc.register(selector, SelectionKey.OP_CONNECT); if (sc.connect(isa)) { System.err.println("Connected immediately!"); sc.close(); selector.close(); return; } else { ByteBuffer buf = ByteBuffer.allocateDirect(100); buf.asCharBuffer().put(new String( "The quick brown fox jumped over the lazy dog." ).toCharArray()); buf.flip(); long startTime = System.currentTimeMillis(); while(true) { selector.select(INCREMENTAL_DELAY); Set selectedKeys = selector.selectedKeys(); if(selectedKeys.isEmpty()) { System.err.println("Elapsed time without response: " + (System.currentTimeMillis() - startTime) / 1000L + " seconds."); } else if(!selectedKeys.contains(sk)) { System.err.println("Got wrong event about selection key."); } else { System.err.println("Got event for our selection key."); if(sk.isConnectable()) { if(sc.finishConnect()) { if(sc.isConnected()) { System.err.println("Successful connect."); sk.interestOps(SelectionKey.OP_WRITE); sc.write(buf); } else { System.err.println( "Finish connect completed incorrectly."); } } else { System.err.println( "key incorrectly indicated socket channel connectable."); } } if(sk.isWritable() && (buf.remaining() > 0)) { sc.write(buf); } if(buf.remaining() == 0) { System.err.println( "SUCCESS! buffer contents were sent."); sc.close(); selector.close(); return; } } selectedKeys.clear(); } } } }