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/*
* 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) { }
}
}
}
}
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