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/*
* Copyright (c) 2015, 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 8067105
* @summary Socket returned by ServerSocket.accept() is inherited by child process on Windows
* @author Chris Hegarty
*/
import java.io.*;
import java.net.*;
import java.nio.channels.ServerSocketChannel;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.function.Supplier;
public class AcceptInheritHandle {
enum ServerSocketProducer {
JAVA_NET(() -> {
try {
return new ServerSocket(); }
catch(IOException x) {
throw new UncheckedIOException(x);
}
}),
NIO_CHANNELS(() -> {
try {
return ServerSocketChannel.open().socket();
} catch (IOException x) {
throw new UncheckedIOException(x);
}
});
final Supplier<ServerSocket> supplier;
ServerSocketProducer(Supplier<ServerSocket> supplier) {
this.supplier = supplier;
}
Supplier<ServerSocket> supplier () { return supplier; }
}
static final String JAVA = System.getProperty("java.home")
+ File.separator + "bin" + File.separator + "java";
static final String CLASSPATH = System.getProperty("java.class.path");
public static void main(String[] args) throws Exception {
if (args.length == 1)
server(ServerSocketProducer.valueOf(args[0]));
else
mainEntry();
}
static void mainEntry() throws Exception {
testJavaNetServerSocket();
testNioServerSocketChannel();
}
static void testJavaNetServerSocket() throws Exception {
test(ServerSocketProducer.JAVA_NET);
test(ServerSocketProducer.JAVA_NET, "-Djava.net.preferIPv4Stack=true");
}
static void testNioServerSocketChannel() throws Exception {
test(ServerSocketProducer.NIO_CHANNELS);
}
static void test(ServerSocketProducer ssp, String... sysProps) throws Exception {
System.out.println("\nStarting test for " + ssp.name());
List<String> commands = new ArrayList<>();
commands.add(JAVA);
for (String prop : sysProps)
commands.add(prop);
commands.add("-cp");
commands.add(CLASSPATH);
commands.add("AcceptInheritHandle");
commands.add(ssp.name());
System.out.println("Executing: "+ commands);
ProcessBuilder pb = new ProcessBuilder(commands);
pb.redirectError(ProcessBuilder.Redirect.INHERIT);
Process serverProcess = pb.start();
DataInputStream dis = new DataInputStream(serverProcess.getInputStream());
int port = dis.readInt();
System.out.println("Server process listening on " + port + ", connecting...");
Socket socket = new Socket("localhost", port);
String s = dis.readUTF();
System.out.println("Server process said " + s);
serverProcess.destroy();
serverProcess.waitFor(30, TimeUnit.SECONDS);
System.out.println("serverProcess exitCode:" + serverProcess.exitValue());
try {
socket.setSoTimeout(10 * 1000);
socket.getInputStream().read();
} catch (SocketTimeoutException x) {
// failed
throw new RuntimeException("Failed: should get reset, not " + x);
} catch (SocketException x) {
System.out.println("Expected:" + x);
}
}
static void server(ServerSocketProducer producer) throws Exception {
try (ServerSocket ss = producer.supplier().get()) {
ss.bind(new InetSocketAddress(0));
int port = ss.getLocalPort();
DataOutputStream dos = new DataOutputStream(System.out);
dos.writeInt(port);
dos.flush();
ss.accept(); // do not close
Runtime.getRuntime().exec("sleep 20");
Thread.sleep(3 * 1000);
dos.writeUTF("kill me!");
dos.flush();
Thread.sleep(30 * 1000);
}
}
}
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