101 lines
3.7 KiB
Java
101 lines
3.7 KiB
Java
/*
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* Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @summary Test nonblocking connect and finishConnect
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* @bug 4457776
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* @library .. /test/lib
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* @build jdk.test.lib.Utils TestServers
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* @run main BasicConnect
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*/
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import java.net.*;
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import java.nio.*;
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import java.nio.channels.*;
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import java.nio.channels.spi.SelectorProvider;
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import java.util.*;
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/**
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* Typically there would be more than one channel registered to select
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* on, this test is just a very simple version with only one channel
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* registered for the connectSelector.
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*/
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public class BasicConnect {
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public static void main(String[] args) throws Exception {
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Selector connectSelector =
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SelectorProvider.provider().openSelector();
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try (TestServers.EchoServer echoServer
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= TestServers.EchoServer.startNewServer(100)) {
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InetSocketAddress isa
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= new InetSocketAddress(echoServer.getAddress(),
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echoServer.getPort());
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SocketChannel sc = SocketChannel.open();
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sc.configureBlocking(false);
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boolean result = sc.connect(isa);
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if (result) {
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System.out.println("Socket immediately connected on "
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+ System.getProperty("os.name")
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+ ": " + sc);
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}
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while (!result) {
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SelectionKey connectKey = sc.register(connectSelector,
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SelectionKey.OP_CONNECT);
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int keysAdded = connectSelector.select();
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if (keysAdded > 0) {
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Set readyKeys = connectSelector.selectedKeys();
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Iterator i = readyKeys.iterator();
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while (i.hasNext()) {
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SelectionKey sk = (SelectionKey)i.next();
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i.remove();
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SocketChannel nextReady = (SocketChannel)sk.channel();
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result = nextReady.finishConnect();
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if (result)
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sk.cancel();
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}
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}
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}
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byte[] bs = new byte[] { (byte)0xca, (byte)0xfe,
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(byte)0xba, (byte)0xbe };
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ByteBuffer bb = ByteBuffer.wrap(bs);
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sc.configureBlocking(true);
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sc.write(bb);
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bb.rewind();
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ByteBuffer bb2 = ByteBuffer.allocateDirect(100);
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int n = sc.read(bb2);
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bb2.flip();
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sc.close();
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connectSelector.close();
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if (!bb.equals(bb2))
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throw new Exception("Echoed bytes incorrect: Sent "
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+ bb + ", got " + bb2);
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}
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}
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}
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