hotspot/test/testlibrary/com/oracle/java/testlibrary/dcmd/FileJcmdExecutor.java
author miauno
Fri, 30 Jan 2015 20:00:57 +0100
changeset 28821 f7820f311663
permissions -rw-r--r--
8071908: Port internal Diagnostic Command tests and test framework to jtreg Reviewed-by: jbachorik, egahlin, ykantser, mtobiass
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
28821
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
     1
/*
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
     2
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
     4
 *
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
     7
 * published by the Free Software Foundation.
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
     8
 *
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    13
 * accompanied this code).
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    14
 *
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    18
 *
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    21
 * questions.
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    22
 */
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    23
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    24
package com.oracle.java.testlibrary.dcmd;
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    25
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    26
import java.io.File;
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    27
import java.io.IOException;
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    28
import java.io.PrintWriter;
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    29
import java.util.Arrays;
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    30
import java.util.List;
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    31
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    32
/**
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    33
 * Executes Diagnostic Commands on the target VM (specified by pid) using the jcmd tool and its ability to read
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    34
 *          Diagnostic Commands from a file.
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    35
 */
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    36
public class FileJcmdExecutor extends PidJcmdExecutor {
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    37
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    38
    /**
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    39
     * Instantiates a new FileJcmdExecutor targeting the current VM
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    40
     */
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    41
    public FileJcmdExecutor() {
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    42
        super();
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    43
    }
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    44
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    45
    /**
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    46
     * Instantiates a new FileJcmdExecutor targeting the VM indicated by the given pid
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    47
     *
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    48
     * @param target Pid of the target VM
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    49
     */
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    50
    public FileJcmdExecutor(String target) {
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    51
        super(target);
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    52
    }
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    53
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    54
    protected List<String> createCommandLine(String cmd) throws CommandExecutorException {
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    55
        File cmdFile = createTempFile();
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    56
        writeCommandToTemporaryFile(cmd, cmdFile);
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    57
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    58
        return Arrays.asList(jcmdBinary, Integer.toString(pid),
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    59
                "-f", cmdFile.getAbsolutePath());
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    60
    }
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    61
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    62
    private void writeCommandToTemporaryFile(String cmd, File cmdFile) {
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    63
        try (PrintWriter pw = new PrintWriter(cmdFile)) {
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    64
            pw.println(cmd);
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    65
        } catch (IOException e) {
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    66
            String message = "Could not write to file: " + cmdFile.getAbsolutePath();
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    67
            throw new CommandExecutorException(message, e);
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    68
        }
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    69
    }
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    70
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    71
    private File createTempFile() {
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    72
        try {
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    73
            File cmdFile = File.createTempFile("input", "jcmd");
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    74
            cmdFile.deleteOnExit();
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    75
            return cmdFile;
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    76
        } catch (IOException e) {
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    77
            throw new CommandExecutorException("Could not create temporary file", e);
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    78
        }
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    79
    }
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    80
f7820f311663 8071908: Port internal Diagnostic Command tests and test framework to jtreg
miauno
parents:
diff changeset
    81
}