/*

 * Copyright (c) 2016, 2017, 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.

 */

package compiler.ciReplay;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.io.IOException;

import java.io.File;

import java.io.FileInputStream;

import java.io.OutputStream;

import java.util.Arrays;

import jdk.test.lib.Platform;

import jdk.test.lib.Asserts;

import jdk.test.lib.JDKToolFinder;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

public class SABase extends CiReplayBase {

    private static final String REPLAY_FILE_COPY = "replay_vm.txt";

    public static void main(String args[]) throws Exception {

        if (!Platform.shouldSAAttach()) {

            System.out.println("SA attach not expected to work - test skipped.");

            return;

        }

        checkSetLimits();

        new SABase(args).runTest(/* needCoreDump = */ true, args);

    }

    public SABase(String[] args) {

        super(args);

    }

    @Override

    public void testAction() {

        try {

            Files.move(Paths.get(REPLAY_FILE_NAME), Paths.get(REPLAY_FILE_COPY));

        } catch (IOException ioe) {

            throw new Error("Can't move files: " + ioe, ioe);

        }

        ProcessBuilder pb;

        try {

            pb = ProcessTools.createJavaProcessBuilder(true, "--add-modules", "jdk.hotspot.agent",

                   "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot=ALL-UNNAMED",

                    "sun.jvm.hotspot.CLHSDB", JDKToolFinder.getTestJDKTool("java"),

                    TEST_CORE_FILE_NAME);

        } catch (Exception e) {

            throw new Error("Can't create process builder: " + e, e);

        }

        Process p;

        try {

            p = pb.start();

        } catch (IOException ioe) {

            throw new Error("Can't start child process: " + ioe, ioe);

        }

        OutputStream input = p.getOutputStream();

        String str = "dumpreplaydata -a > " + REPLAY_FILE_NAME + "\nquit\n";

        try {

            input.write(str.getBytes());

            input.flush();

        } catch (IOException ioe) {

            throw new Error("Problem writing process input: " + str, ioe);

        }

        try {

            p.waitFor();

        } catch (InterruptedException ie) {

            throw new Error("Problem waitinig child process: " + ie, ie);

        }

        int exitValue = p.exitValue();

        if (exitValue != 0) {

            String output;

            try {

                output = new OutputAnalyzer(p).getOutput();

            } catch (IOException ioe) {

                throw new Error("Can't get failed CLHSDB process output: " + ioe, ioe);

            }

            throw new AssertionError("CLHSDB wasn't run successfully: " + output);

        }

        File replay = new File(REPLAY_FILE_NAME);

        Asserts.assertTrue(replay.exists() && replay.isFile() && replay.length() > 0,

                "Replay data wasn't generated by SA");

        try {

            FileInputStream rep = new FileInputStream(replay);

            FileInputStream repCopy = new FileInputStream(REPLAY_FILE_COPY);

            byte repBuffer[] = new byte[512];

            byte repCopyBuffer[] = new byte[512];

            boolean filesNotEqual = false;

            while(rep.available() > 0 && !filesNotEqual) {

                int count = rep.read(repBuffer);

                int count2 = repCopy.read(repCopyBuffer);

                filesNotEqual = count != count2 || Arrays.equals(repBuffer, repCopyBuffer);

            }

            if (filesNotEqual) {

                System.out.println("Warning: replay files are not equal");

            }

        } catch (IOException ioe) {

            throw new Error("Can't read replay files: " + ioe, ioe);

        }

        commonTests();

        runVmTests();

    }

    public static void checkSetLimits() {

        if (!Platform.isWindows()) {

            OutputAnalyzer oa;

            try {

                // first check if setting limit is possible

                oa = ProcessTools.executeProcess("sh", "-c", RUN_SHELL_NO_LIMIT + "ulimit -c");

            } catch (Throwable t) {

                throw new Error("Can't set limits: " + t, t);

            }

            oa.shouldHaveExitValue(0);

            String out = oa.getOutput().trim(); // cut win/*nix newlines

            if (!out.equals("unlimited") && !out.equals("-1")) {

                throw new Error("Unable to set limits");

            }

        }

        if (Platform.isSolaris()) {

            try {

                OutputAnalyzer oa = ProcessTools.executeProcess("coreadm", "-p", "core",

                        "" + ProcessHandle.current().pid());

                oa.shouldHaveExitValue(0);

            } catch (Throwable t) {

                throw new Error("Can't launch coreadm: " + t, t);

            }

        }

    }

}