feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/tools/jcmd/Arguments.java

@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2011, 2012, 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 sun.tools.jcmd;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
+class Arguments {
+    private boolean listProcesses = false;
+    private boolean listCounters  = false;
+    private boolean showUsage     = false;
+    private int     pid           = -1;
+    private String  command       = null;
+    private String  processSubstring;
+
+    public boolean isListProcesses() { return listProcesses; }
+    public boolean isListCounters() { return listCounters; }
+    public boolean isShowUsage() { return showUsage; }
+    public int getPid() { return pid; }
+    public String getCommand() { return command; }
+    public String getProcessSubstring() { return processSubstring; }
+
+    public Arguments(String[] args) {
+        if (args.length == 0 || args[0].equals("-l")) {
+            listProcesses = true;
+            return;
+        }
+
+        if (args[0].equals("-h") || args[0].equals("-help") ) {
+            showUsage = true;
+            return;
+        }
+
+        try {
+            pid = Integer.parseInt(args[0]);
+        } catch (NumberFormatException ex) {
+            // use as a partial class-name instead
+            if (args[0].charAt(0) != '-') {
+                // unless it starts with a '-'
+                processSubstring = args[0];
+            }
+        }
+
+        StringBuilder sb = new StringBuilder();
+        for (int i = 1; i < args.length; i++) {
+            if (args[i].equals("-f")) {
+                if (args.length == i + 1) {
+                    throw new IllegalArgumentException(
+                        "No file specified for parameter -f");
+                } else if (args.length == i + 2) {
+                    try {
+                        readCommandFile(args[i + 1]);
+                    } catch(IOException e) {
+                        throw new IllegalArgumentException(
+                            "Could not read from file specified with -f option: "
+                            + args[i + 1]);
+                    }
+                    return;
+                } else {
+                    throw new IllegalArgumentException(
+                        "Options after -f are not allowed");
+                }
+            } else if (args[i].equals("PerfCounter.print")) {
+                listCounters = true;
+            } else {
+                sb.append(args[i]).append(" ");
+            }
+        }
+
+        if (listCounters != true && sb.length() == 0) {
+            throw new IllegalArgumentException("No command specified");
+        }
+
+        command = sb.toString().trim();
+    }
+
+    private void readCommandFile(String path) throws IOException {
+        try (BufferedReader bf = new BufferedReader(new FileReader(path));) {
+                StringBuilder sb = new StringBuilder();
+                String s;
+                while ((s = bf.readLine()) != null) {
+                    sb.append(s).append("\n");
+                }
+                command = sb.toString();
+            }
+    }
+
+    public static void usage() {
+        System.out.println("Usage: jcmd <pid | main class> <command ...|PerfCounter.print|-f file>");
+        System.out.println("   or: jcmd -l                                                    ");
+        System.out.println("   or: jcmd -h                                                    ");
+        System.out.println("                                                                  ");
+        System.out.println("  command must be a valid jcmd command for the selected jvm.      ");
+        System.out.println("  Use the command \"help\" to see which commands are available.   ");
+        System.out.println("  If the pid is 0, commands will be sent to all Java processes.   ");
+        System.out.println("  The main class argument will be used to match (either partially ");
+        System.out.println("  or fully) the class used to start Java.                         ");
+        System.out.println("  If no options are given, lists Java processes (same as -p).     ");
+        System.out.println("                                                                  ");
+        System.out.println("  PerfCounter.print display the counters exposed by this process  ");
+        System.out.println("  -f  read and execute commands from the file                     ");
+        System.out.println("  -l  list JVM processes on the local machine                     ");
+        System.out.println("  -h  this help                                                   ");
+    }
+}

jdkSrc/jdk8/sun/tools/jcmd/JCmd.java

@@ -0,0 +1,244 @@
+/*
+ * Copyright (c) 2011, 2014, 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 sun.tools.jcmd;
+
+import java.io.InputStream;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.net.URISyntaxException;
+
+import com.sun.tools.attach.AttachOperationFailedException;
+import com.sun.tools.attach.VirtualMachine;
+import com.sun.tools.attach.VirtualMachineDescriptor;
+import com.sun.tools.attach.AgentLoadException;
+import com.sun.tools.attach.AttachNotSupportedException;
+
+import sun.tools.attach.HotSpotVirtualMachine;
+import sun.tools.jstat.JStatLogger;
+import sun.jvmstat.monitor.Monitor;
+import sun.jvmstat.monitor.MonitoredHost;
+import sun.jvmstat.monitor.MonitoredVm;
+import sun.jvmstat.monitor.MonitoredVmUtil;
+import sun.jvmstat.monitor.MonitorException;
+import sun.jvmstat.monitor.VmIdentifier;
+
+public class JCmd {
+    public static void main(String[] args) {
+        Arguments arg = null;
+        try {
+            arg = new Arguments(args);
+        } catch (IllegalArgumentException ex) {
+            System.err.println("Error parsing arguments: " + ex.getMessage()
+                               + "\n");
+            Arguments.usage();
+            System.exit(1);
+        }
+
+        if (arg.isShowUsage()) {
+            Arguments.usage();
+            System.exit(1);
+        }
+
+        if (arg.isListProcesses()) {
+            List<VirtualMachineDescriptor> vmds = VirtualMachine.list();
+            for (VirtualMachineDescriptor vmd : vmds) {
+                System.out.println(vmd.id() + " " + vmd.displayName());
+            }
+            System.exit(0);
+        }
+
+        List<String> pids = new ArrayList<String>();
+        if (arg.getPid() == 0) {
+            // find all VMs
+            List<VirtualMachineDescriptor> vmds = VirtualMachine.list();
+            for (VirtualMachineDescriptor vmd : vmds) {
+                if (!isJCmdProcess(vmd)) {
+                    pids.add(vmd.id());
+                }
+            }
+        } else if (arg.getProcessSubstring() != null) {
+            // use the partial class-name match
+            List<VirtualMachineDescriptor> vmds = VirtualMachine.list();
+            for (VirtualMachineDescriptor vmd : vmds) {
+                if (isJCmdProcess(vmd)) {
+                    continue;
+                }
+                try {
+                    String mainClass = getMainClass(vmd);
+                    if (mainClass != null
+                        && mainClass.indexOf(arg.getProcessSubstring()) != -1) {
+                            pids.add(vmd.id());
+                    }
+                } catch (MonitorException|URISyntaxException e) {
+                    if (e.getMessage() != null) {
+                        System.err.println(e.getMessage());
+                    } else {
+                        Throwable cause = e.getCause();
+                        if ((cause != null) && (cause.getMessage() != null)) {
+                            System.err.println(cause.getMessage());
+                        } else {
+                            e.printStackTrace();
+                        }
+                    }
+                }
+            }
+            if (pids.isEmpty()) {
+                System.err.println("Could not find any processes matching : '"
+                                   + arg.getProcessSubstring() + "'");
+                System.exit(1);
+            }
+        } else if (arg.getPid() == -1) {
+            System.err.println("Invalid pid specified");
+            System.exit(1);
+        } else {
+            // Use the found pid
+            pids.add(arg.getPid() + "");
+        }
+
+        boolean success = true;
+        for (String pid : pids) {
+            System.out.println(pid + ":");
+            if (arg.isListCounters()) {
+                listCounters(pid);
+            } else {
+                try {
+                    executeCommandForPid(pid, arg.getCommand());
+                } catch(AttachOperationFailedException ex) {
+                    System.err.println(ex.getMessage());
+                    success = false;
+                } catch(Exception ex) {
+                    ex.printStackTrace();
+                    success = false;
+                }
+            }
+        }
+        System.exit(success ? 0 : 1);
+    }
+
+    private static void executeCommandForPid(String pid, String command)
+        throws AttachNotSupportedException, IOException,
+               UnsupportedEncodingException {
+        VirtualMachine vm = VirtualMachine.attach(pid);
+
+        // Cast to HotSpotVirtualMachine as this is an
+        // implementation specific method.
+        HotSpotVirtualMachine hvm = (HotSpotVirtualMachine) vm;
+        String lines[] = command.split("\\n");
+        for (String line : lines) {
+            if (line.trim().equals("stop")) {
+                break;
+            }
+            try (InputStream in = hvm.executeJCmd(line);) {
+                // read to EOF and just print output
+                byte b[] = new byte[256];
+                int n;
+                boolean messagePrinted = false;
+                do {
+                    n = in.read(b);
+                    if (n > 0) {
+                        String s = new String(b, 0, n, "UTF-8");
+                        System.out.print(s);
+                        messagePrinted = true;
+                    }
+                } while (n > 0);
+                if (!messagePrinted) {
+                    System.out.println("Command executed successfully");
+                }
+            }
+        }
+        vm.detach();
+    }
+
+    private static void listCounters(String pid) {
+        // Code from JStat (can't call it directly since it does System.exit)
+        VmIdentifier vmId = null;
+        try {
+            vmId = new VmIdentifier(pid);
+        } catch (URISyntaxException e) {
+            System.err.println("Malformed VM Identifier: " + pid);
+            return;
+        }
+        try {
+            MonitoredHost monitoredHost = MonitoredHost.getMonitoredHost(vmId);
+            MonitoredVm monitoredVm = monitoredHost.getMonitoredVm(vmId, -1);
+            JStatLogger logger = new JStatLogger(monitoredVm);
+            logger.printSnapShot("\\w*", // all names
+                    new AscendingMonitorComparator(), // comparator
+                    false, // not verbose
+                    true, // show unsupported
+                    System.out);
+            monitoredHost.detach(monitoredVm);
+        } catch (MonitorException ex) {
+            ex.printStackTrace();
+        }
+    }
+
+    private static boolean isJCmdProcess(VirtualMachineDescriptor vmd) {
+        try {
+            String mainClass = getMainClass(vmd);
+            return mainClass != null && mainClass.equals(JCmd.class.getName());
+        } catch (URISyntaxException|MonitorException ex) {
+            return false;
+        }
+    }
+
+    private static String getMainClass(VirtualMachineDescriptor vmd)
+            throws URISyntaxException, MonitorException {
+        try {
+            String mainClass = null;
+            VmIdentifier vmId = new VmIdentifier(vmd.id());
+            MonitoredHost monitoredHost = MonitoredHost.getMonitoredHost(vmId);
+            MonitoredVm monitoredVm = monitoredHost.getMonitoredVm(vmId, -1);
+            mainClass = MonitoredVmUtil.mainClass(monitoredVm, true);
+            monitoredHost.detach(monitoredVm);
+            return mainClass;
+        } catch(NullPointerException e) {
+            // There is a potential race, where a running java app is being
+            // queried, unfortunately the java app has shutdown after this
+            // method is started but before getMonitoredVM is called.
+            // If this is the case, then the /tmp/hsperfdata_xxx/pid file
+            // will have disappeared and we will get a NullPointerException.
+            // Handle this gracefully....
+            return null;
+        }
+    }
+
+    /**
+     * Class to compare two Monitor objects by name in ascending order.
+     * (from jstat)
+     */
+    static class AscendingMonitorComparator implements Comparator<Monitor> {
+
+        public int compare(Monitor m1, Monitor m2) {
+            String name1 = m1.getName();
+            String name2 = m2.getName();
+            return name1.compareTo(name2);
+        }
+    }
+}