diff agent/src/share/classes/sun/jvm/hotspot/jdi/SACoreAttachingConnector.java @ 0:a61af66fc99e jdk7-b24

Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/jdi/SACoreAttachingConnector.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,156 @@
+/*
+ * Copyright 2002-2004 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.jdi;
+
+import com.sun.jdi.connect.*;
+import com.sun.jdi.Bootstrap;
+import com.sun.jdi.VirtualMachine;
+import com.sun.jdi.VirtualMachineManager;
+
+import java.io.*;
+import java.lang.reflect.*;
+import java.net.*;
+import java.util.*;
+
+public class SACoreAttachingConnector extends ConnectorImpl implements AttachingConnector {
+
+    static final String ARG_COREFILE = "core";
+    static final String ARG_JAVA_EXECUTABLE = "javaExecutable";
+    private Transport transport;
+
+    public SACoreAttachingConnector(com.sun.tools.jdi.VirtualMachineManagerService ignored) {
+        this();
+    }
+
+    public SACoreAttachingConnector() {
+        super();
+        //fixme jjh  Must create resources for these strings
+        addStringArgument(
+                ARG_JAVA_EXECUTABLE,
+                "Java Executable",              //getString("sa.javaExecutable.label"),
+                "Pathname of Java Executable",  //getString("sa.javaExecutable.description");
+                "",
+                true);
+
+        addStringArgument(
+                ARG_COREFILE,
+                "Corefile",                                    // getString("sa.CoreFile.label"),
+                "Pathname of a corefile from a Java Process",  //getString("sa.CoreFile.description"),
+                "core",
+                false);
+
+        transport = new Transport() {
+                   public String name() {
+                       return "filesystem";
+                   }
+               };
+    }
+
+    // security check to see whether the caller can perform attach
+    private void checkCoreAttach(String corefile) {
+        SecurityManager sm = System.getSecurityManager();
+        if (sm != null) {
+            try {
+                // whether the caller can link against SA native library?
+                checkNativeLink(sm, System.getProperty("os.name"));
+                // check whether the caller can read the core file?
+                sm.checkRead(corefile);
+            } catch (SecurityException se) {
+                throw new SecurityException("permission denied to attach to " + corefile);
+            }
+        }
+    }
+
+    private VirtualMachine createVirtualMachine(Class vmImplClass,
+                                                String javaExec, String corefile)
+        throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
+        java.lang.reflect.Method connectByCoreMethod = vmImplClass.getMethod(
+                                 "createVirtualMachineForCorefile",
+                                  new Class[] {
+                                      VirtualMachineManager.class,
+                                      String.class, String.class,
+                                      Integer.TYPE
+                                  });
+        return (VirtualMachine) connectByCoreMethod.invoke(null,
+                                  new Object[] {
+                                      Bootstrap.virtualMachineManager(),
+                                      javaExec,
+                                      corefile,
+                                      new Integer(0)
+                                  });
+    }
+
+    public VirtualMachine attach(Map arguments) throws IOException,
+                                      IllegalConnectorArgumentsException {
+        String javaExec = argument(ARG_JAVA_EXECUTABLE, arguments).value();
+        if (javaExec == null || javaExec.equals("")) {
+            throw new IllegalConnectorArgumentsException("javaExec should be non-null and non-empty",
+                                                         ARG_JAVA_EXECUTABLE);
+        }
+        String corefile = argument(ARG_COREFILE, arguments).value();
+        if (corefile == null || corefile.equals("")) {
+            throw new IllegalConnectorArgumentsException("corefile should be non-null and non-empty",
+                                                         ARG_COREFILE);
+        }
+
+        checkCoreAttach(corefile);
+
+        VirtualMachine myVM = null;
+        try {
+            try {
+                Class vmImplClass = loadVirtualMachineImplClass();
+                myVM = createVirtualMachine(vmImplClass, javaExec, corefile);
+            } catch (InvocationTargetException ite) {
+                Class vmImplClass = handleVMVersionMismatch(ite);
+                if (vmImplClass != null) {
+                    return createVirtualMachine(vmImplClass, javaExec, corefile);
+                } else {
+                    throw ite;
+                }
+            }
+        } catch (Exception ee) {
+            if (DEBUG) {
+                System.out.println("VirtualMachineImpl() got an exception:");
+                ee.printStackTrace();
+                System.out.println("coreFile = " + corefile + ", javaExec = " + javaExec);
+            }
+            throw (IOException) new IOException().initCause(ee);
+        }
+        setVMDisposeObserver(myVM);
+        return myVM;
+    }
+
+    public String name() {
+        return "sun.jvm.hotspot.jdi.SACoreAttachingConnector";
+    }
+
+    public String description() {
+        return getString("This connector allows you to attach to a core file using the Serviceability Agent");
+    }
+
+    public Transport transport() {
+        return transport;
+    }
+}