| /* |
| * 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 |
| * @summary Test nonblocking connect and finishConnect |
| * @bug 4457776 |
| * @library .. |
| */ |
| |
| import java.net.*; |
| import java.nio.*; |
| import java.nio.channels.*; |
| import java.nio.channels.spi.SelectorProvider; |
| import java.util.*; |
| |
| |
| /** |
| * Typically there would be more than one channel registered to select |
| * on, this test is just a very simple version with only one channel |
| * registered for the connectSelector. |
| */ |
| |
| public class BasicConnect { |
| |
| public static void main(String[] args) throws Exception { |
| Selector connectSelector = |
| SelectorProvider.provider().openSelector(); |
| try (TestServers.EchoServer echoServer |
| = TestServers.EchoServer.startNewServer(100)) { |
| InetSocketAddress isa |
| = new InetSocketAddress(echoServer.getAddress(), |
| echoServer.getPort()); |
| SocketChannel sc = SocketChannel.open(); |
| sc.configureBlocking(false); |
| boolean result = sc.connect(isa); |
| if (result) { |
| System.out.println("Socket immediately connected on " |
| + System.getProperty("os.name") |
| + ": " + sc); |
| } |
| while (!result) { |
| SelectionKey connectKey = sc.register(connectSelector, |
| SelectionKey.OP_CONNECT); |
| int keysAdded = connectSelector.select(); |
| if (keysAdded > 0) { |
| Set readyKeys = connectSelector.selectedKeys(); |
| Iterator i = readyKeys.iterator(); |
| while (i.hasNext()) { |
| SelectionKey sk = (SelectionKey)i.next(); |
| i.remove(); |
| SocketChannel nextReady = (SocketChannel)sk.channel(); |
| result = nextReady.finishConnect(); |
| if (result) |
| sk.cancel(); |
| } |
| } |
| } |
| |
| byte[] bs = new byte[] { (byte)0xca, (byte)0xfe, |
| (byte)0xba, (byte)0xbe }; |
| ByteBuffer bb = ByteBuffer.wrap(bs); |
| sc.configureBlocking(true); |
| sc.write(bb); |
| bb.rewind(); |
| |
| ByteBuffer bb2 = ByteBuffer.allocateDirect(100); |
| int n = sc.read(bb2); |
| bb2.flip(); |
| |
| sc.close(); |
| connectSelector.close(); |
| |
| if (!bb.equals(bb2)) |
| throw new Exception("Echoed bytes incorrect: Sent " |
| + bb + ", got " + bb2); |
| } |
| } |
| } |