134 lines
4.6 KiB
Java
134 lines
4.6 KiB
Java
/*
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* Copyright (c) 2005, 2019, 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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@bug 4726957 4724030 6232954
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@summary Test if the SocketChannel with timeout set can be closed immediately
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@run main/timeout=20 CloseTimeoutChannel
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*/
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import java.io.*;
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import java.nio.*;
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import java.nio.channels.*;
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import java.net.*;
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public class CloseTimeoutChannel {
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public static void main(String args[]) throws Exception {
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int port = -1;
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try {
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ServerSocketChannel listener=ServerSocketChannel.open();
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listener.socket().bind(new InetSocketAddress(0));
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port = listener.socket().getLocalPort();
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AcceptorThread thread=new AcceptorThread(listener);
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thread.start();
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} catch (IOException e) {
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System.out.println("Mysterious IO problem");
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e.printStackTrace();
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System.exit(1);
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}
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//Establish connection. Bug only happens if we open with channel.
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try {
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System.out.println("Establishing connection");
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Socket socket=SocketChannel.open(
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new InetSocketAddress(InetAddress.getLoopbackAddress(), port)).socket();
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OutputStream out=socket.getOutputStream();
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InputStream in=socket.getInputStream();
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System.out.println("1. Writing byte 1");
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out.write((byte)1);
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int n=read(socket, in);
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System.out.println("Read byte "+n+"\n");
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System.out.println("3. Writing byte 3");
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out.write((byte)3);
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System.out.println("Closing");
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socket.close();
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} catch (IOException e) {
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System.out.println("Mysterious IO problem");
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e.printStackTrace();
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System.exit(1);
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}
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}
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/** Reads one byte from in, which must be s.getInputStream. */
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private static int read(Socket s, InputStream in) throws IOException {
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try {
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s.setSoTimeout(8000); //causes a bug!
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return in.read();
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} finally {
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s.setSoTimeout(0);
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}
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}
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/** Server thread */
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static class AcceptorThread extends Thread {
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final String INDENT="\t\t\t\t";
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ServerSocketChannel _listener;
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/** @param listener MUST be bound to a port */
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AcceptorThread(ServerSocketChannel listener) {
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_listener=listener;
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}
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public void run() {
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try {
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) { }
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System.out.println(INDENT+"Listening on port "+
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_listener.socket().getLocalPort());
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ByteBuffer buf=ByteBuffer.allocate(5);
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Socket client=_listener.accept().socket();
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System.out.println(INDENT+"Accepted client");
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OutputStream out=client.getOutputStream();
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InputStream in=client.getInputStream();
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int n=in.read();
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System.out.println(INDENT+"Read byte "+n+"\n");
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System.out.println(INDENT+"2. Writing byte 2");
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out.write((byte)2);
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n=in.read();
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System.out.println(INDENT+"Read byte "+n+"\n");
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n=in.read();
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System.out.println(INDENT+"Read byte "
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+(n<0 ? "EOF" : Integer.toString(n)));
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System.out.println(INDENT+"Closing");
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client.close();
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} catch (IOException e) {
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System.out.println(INDENT+"Error accepting!");
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} finally {
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try { _listener.close(); } catch (IOException ignore) { }
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}
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}
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}
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}
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