| /* |
| * 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 SocketChannel.finishConnect |
| * @library .. |
| */ |
| |
| import java.net.*; |
| import java.nio.*; |
| import java.nio.channels.*; |
| import java.nio.channels.spi.SelectorProvider; |
| import java.nio.charset.*; |
| import java.util.*; |
| |
| |
| public class FinishConnect { |
| |
| public static void main(String[] args) throws Exception { |
| try (TestServers.DayTimeServer dayTimeServer |
| = TestServers.DayTimeServer.startNewServer(100)) { |
| test1(dayTimeServer, true, true); |
| test1(dayTimeServer, true, false); |
| test1(dayTimeServer, false, true); |
| test1(dayTimeServer, false, false); |
| test2(dayTimeServer); |
| } |
| } |
| |
| static void test1(TestServers.DayTimeServer daytimeServer, |
| boolean select, |
| boolean setBlocking) |
| throws Exception |
| { |
| InetSocketAddress isa |
| = new InetSocketAddress(daytimeServer.getAddress(), |
| daytimeServer.getPort()); |
| SocketChannel sc = SocketChannel.open(); |
| sc.configureBlocking(false); |
| boolean connected = sc.connect(isa); |
| int attempts = 0; |
| |
| try { |
| sc.connect(isa); |
| throw new RuntimeException("Allowed another connect call"); |
| } catch (IllegalStateException ise) { |
| // Correct behavior |
| } |
| |
| if (setBlocking) |
| sc.configureBlocking(true); |
| |
| if (!connected && select && !setBlocking) { |
| Selector selector = SelectorProvider.provider().openSelector(); |
| sc.register(selector, SelectionKey.OP_CONNECT); |
| while (!connected) { |
| int keysAdded = selector.select(100); |
| if (keysAdded > 0) { |
| Set readyKeys = selector.selectedKeys(); |
| Iterator i = readyKeys.iterator(); |
| while (i.hasNext()) { |
| SelectionKey sk = (SelectionKey)i.next(); |
| SocketChannel nextReady = |
| (SocketChannel)sk.channel(); |
| connected = sc.finishConnect(); |
| } |
| } |
| } |
| selector.close(); |
| } |
| |
| while (!connected) { |
| if (attempts++ > 30) |
| throw new RuntimeException("Failed to connect"); |
| Thread.sleep(100); |
| connected = sc.finishConnect(); |
| } |
| |
| ByteBuffer bb = ByteBuffer.allocateDirect(100); |
| int bytesRead = 0; |
| int totalRead = 0; |
| while (totalRead < 20) { |
| bytesRead = sc.read(bb); |
| if (bytesRead > 0) |
| totalRead += bytesRead; |
| if (bytesRead < 0) |
| throw new RuntimeException("Message shorter than expected"); |
| } |
| bb.position(bb.position() - 2); // Drop CRLF |
| bb.flip(); |
| CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb); |
| System.err.println(isa + " says: \"" + cb + "\""); |
| sc.close(); |
| } |
| |
| static void test2(TestServers.DayTimeServer daytimeServer) throws Exception { |
| InetSocketAddress isa |
| = new InetSocketAddress(daytimeServer.getAddress(), |
| daytimeServer.getPort()); |
| boolean done = false; |
| int globalAttempts = 0; |
| int connectSuccess = 0; |
| while (!done) { |
| // When using a local daytime server it is not always possible |
| // to get a pending connection, as sc.connect(isa) may always |
| // return true. |
| // So we're going to throw the exception only if there was |
| // at least 1 case where we did not manage to connect. |
| if (globalAttempts++ > 50) { |
| if (globalAttempts == connectSuccess + 1) { |
| System.out.println("Can't fully test on " |
| + System.getProperty("os.name")); |
| break; |
| } |
| throw new RuntimeException("Failed to connect"); |
| } |
| SocketChannel sc = SocketChannel.open(); |
| sc.configureBlocking(false); |
| boolean connected = sc.connect(isa); |
| int localAttempts = 0; |
| while (!connected) { |
| if (localAttempts++ > 500) |
| throw new RuntimeException("Failed to connect"); |
| connected = sc.finishConnect(); |
| if (connected) { |
| done = true; |
| break; |
| } |
| Thread.sleep(10); |
| } |
| if (connected) { |
| connectSuccess++; |
| } |
| sc.close(); |
| } |
| } |
| |
| } |