changeset 58827:e53122a71a0c

8238224: test\jdk\jdk\jfr\event\io\EvilInstrument.java should be removed Reviewed-by: mgronlun
author egahlin
date Thu, 30 Jan 2020 11:14:12 +0100
parents 0743e1d49930
children e6e4b43ee3ce
files test/jdk/jdk/jfr/event/io/EvilInstrument.java
diffstat 1 files changed, 0 insertions(+), 161 deletions(-) [+]
line wrap: on
line diff
--- a/test/jdk/jdk/jfr/event/io/EvilInstrument.java	Thu Jan 30 11:08:30 2020 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,161 +0,0 @@
-/*
- * Copyright (c) 2018, 2019, 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.
- */
-
-package jdk.jfr.event.io;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.RandomAccessFile;
-import java.lang.instrument.ClassFileTransformer;
-import java.lang.instrument.Instrumentation;
-import java.net.ServerSocket;
-import java.net.Socket;
-import java.security.ProtectionDomain;
-import java.util.concurrent.CountDownLatch;
-import jdk.test.lib.Utils;
-
-
-/**
- * @test
- * @key jfr
- * @summary This test runs JFR with a javaagent that reads/writes files and
- * sockets during every class definition. This is to verify that the i/o
- * instrumentation in JFR does not interfere with javaagents.
- * @requires vm.hasJFR
- *
- * @library /test/lib /test/jdk
- * @modules java.instrument
- *
- * @build jdk.jfr.event.io.EvilInstrument
- * @run driver jdk.test.lib.util.JavaAgentBuilder
- *             jdk.jfr.event.io.EvilInstrument EvilInstrument.jar
- * @run main/othervm -javaagent:EvilInstrument.jar jdk.jfr.event.io.EvilInstrument
- */
-
-public class EvilInstrument {
-
-    CountDownLatch socketEchoReady = new CountDownLatch(1);
-    ServerSocket ss;
-
-    /**
-     * Thread that echos everything from a socket.
-     */
-    class SocketEcho extends Thread
-    {
-        public SocketEcho() {
-            setDaemon(true);
-        }
-
-        public void run() {
-            try {
-                Socket s = ss.accept();
-                OutputStream os = s.getOutputStream();
-                InputStream is = s.getInputStream();
-                socketEchoReady.countDown();
-                for(;;) {
-                    int b = is.read();
-                    os.write(b);
-                }
-            } catch(Exception ex) {
-                ex.printStackTrace();
-                System.exit(1);
-            }
-        }
-    }
-
-    public static File createScratchFile() throws IOException {
-        return Utils.createTempFile("EvilTransformer", null).toFile();
-    }
-
-    class EvilTransformer implements ClassFileTransformer {
-        File scratch;
-        Socket s;
-        volatile boolean inited = false;
-
-        public EvilTransformer() throws Exception {
-            scratch = createScratchFile();
-            ss = new ServerSocket(0);
-            new SocketEcho().start();
-            s = new Socket(ss.getInetAddress(), ss.getLocalPort());
-            socketEchoReady.await();
-            inited = true;
-        }
-
-        public byte[] transform(ClassLoader loader, String className,
-                                Class<?> classBeingRedefined,
-                                ProtectionDomain protectionDomain,
-                                byte[] classfileBuffer)
-        {
-            if (!inited) {
-                return null;
-            }
-            // Do i/o operations during every transform call.
-            try {
-                FileOutputStream fos = new FileOutputStream(scratch);
-                fos.write(31);
-                fos.close();
-
-                FileInputStream fis = new FileInputStream(scratch);
-                fis.read();
-                fis.close();
-
-                RandomAccessFile raf = new RandomAccessFile(scratch, "rw");
-                raf.read();
-                raf.write(31);
-                raf.close();
-
-                s.getOutputStream().write(31);
-                s.getInputStream().read();
-
-            } catch(Exception ex) {
-                ex.printStackTrace();
-                System.exit(1);
-            }
-            return null;
-        }
-    }
-
-    public static void premain(String agentArgs, Instrumentation inst) {
-        new EvilInstrument().addTransformer(inst);
-    }
-
-    private void addTransformer(Instrumentation inst) {
-        try {
-            inst.addTransformer(new EvilTransformer());
-        } catch(Exception ex) {
-            ex.printStackTrace();
-            System.exit(1);
-        }
-    }
-
-    public static void main(String... args) throws Exception {
-        System.out.println("Hello");
-    }
-
-}