| /* |
| * Copyright (c) 2020 SAP SE. 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. |
| */ |
| |
| import java.io.IOException; |
| |
| import javax.net.SocketFactory; |
| import javax.net.ssl.SSLSocketFactory; |
| |
| import jdk.test.lib.Platform; |
| import jdk.test.lib.util.FileUtils; |
| |
| /* |
| * @test |
| * @bug 8256818 8257670 8257884 8257997 |
| * @summary Test that creating and closing SSL Sockets without bind/connect |
| * will not leave leaking socket file descriptors |
| * @library /test/lib |
| * @run main/othervm SSLSocketLeak |
| */ |
| public class SSLSocketLeak { |
| |
| // number of sockets to open/close |
| private static final int NUM_TEST_SOCK = 500; |
| |
| // percentage of accepted growth of open handles |
| private static final int OPEN_HANDLE_GROWTH_THRESHOLD_PERCENTAGE = Platform.isWindows() ? 25 : 10; |
| |
| public static void main(String[] args) throws IOException { |
| long fds_start = FileUtils.getProcessHandleCount(); |
| System.out.println("FDs at the beginning: " + fds_start); |
| |
| SocketFactory f = SSLSocketFactory.getDefault(); |
| for (int i = 0; i < NUM_TEST_SOCK; i++) { |
| f.createSocket().close(); |
| } |
| |
| long fds_end = FileUtils.getProcessHandleCount(); |
| System.out.println("FDs in the end: " + fds_end); |
| |
| if ((fds_end - fds_start) > ((NUM_TEST_SOCK * OPEN_HANDLE_GROWTH_THRESHOLD_PERCENTAGE)) / 100) { |
| throw new RuntimeException("Too many open file descriptors. Looks leaky."); |
| } |
| } |
| } |