| /* |
| * Copyright (c) 2005, 2010, 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 4726957 4724030 6232954 |
| @summary Test if the SocketChannel with timeout set can be closed immediately |
| @run main/timeout=20 CloseTimeoutChannel |
| */ |
| |
| import java.io.*; |
| import java.nio.*; |
| import java.nio.channels.*; |
| import java.net.*; |
| |
| public class CloseTimeoutChannel { |
| public static void main(String args[]) throws Exception { |
| int port = -1; |
| try { |
| ServerSocketChannel listener=ServerSocketChannel.open(); |
| listener.socket().bind(new InetSocketAddress(0)); |
| port = listener.socket().getLocalPort(); |
| AcceptorThread thread=new AcceptorThread(listener); |
| thread.start(); |
| } catch (IOException e) { |
| System.out.println("Mysterious IO problem"); |
| e.printStackTrace(); |
| System.exit(1); |
| } |
| |
| //Establish connection. Bug only happens if we open with channel. |
| try { |
| System.out.println("Establishing connection"); |
| Socket socket=SocketChannel.open( |
| new InetSocketAddress("127.0.0.1", port)).socket(); |
| OutputStream out=socket.getOutputStream(); |
| InputStream in=socket.getInputStream(); |
| |
| System.out.println("1. Writing byte 1"); |
| out.write((byte)1); |
| |
| int n=read(socket, in); |
| System.out.println("Read byte "+n+"\n"); |
| |
| System.out.println("3. Writing byte 3"); |
| out.write((byte)3); |
| |
| System.out.println("Closing"); |
| socket.close(); |
| } catch (IOException e) { |
| System.out.println("Mysterious IO problem"); |
| e.printStackTrace(); |
| System.exit(1); |
| } |
| } |
| |
| /** Reads one byte from in, which must be s.getInputStream. */ |
| private static int read(Socket s, InputStream in) throws IOException { |
| try { |
| s.setSoTimeout(8000); //causes a bug! |
| return in.read(); |
| } finally { |
| s.setSoTimeout(0); |
| } |
| |
| } |
| |
| /** Server thread */ |
| static class AcceptorThread extends Thread { |
| final String INDENT="\t\t\t\t"; |
| ServerSocketChannel _listener; |
| /** @param listener MUST be bound to a port */ |
| AcceptorThread(ServerSocketChannel listener) { |
| _listener=listener; |
| } |
| |
| public void run() { |
| try { |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException e) { } |
| |
| System.out.println(INDENT+"Listening on port "+ |
| _listener.socket().getLocalPort()); |
| ByteBuffer buf=ByteBuffer.allocate(5); |
| Socket client=_listener.accept().socket();; |
| System.out.println(INDENT+"Accepted client"); |
| |
| OutputStream out=client.getOutputStream(); |
| InputStream in=client.getInputStream(); |
| |
| int n=in.read(); |
| System.out.println(INDENT+"Read byte "+n+"\n"); |
| |
| System.out.println(INDENT+"2. Writing byte 2"); |
| out.write((byte)2); |
| |
| n=in.read(); |
| System.out.println(INDENT+"Read byte "+n+"\n"); |
| |
| n=in.read(); |
| System.out.println(INDENT+"Read byte " |
| +(n<0 ? "EOF" : Integer.toString(n))); |
| |
| System.out.println(INDENT+"Closing"); |
| client.close(); |
| } catch (IOException e) { |
| System.out.println(INDENT+"Error accepting!"); |
| } finally { |
| try { _listener.close(); } catch (IOException ignore) { } |
| } |
| } |
| } |
| } |