1 /*

     2  * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 2013 SAP AG. All rights reserved.

     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     5  *

     6  * This code is free software; you can redistribute it and/or modify it

     7  * under the terms of the GNU General Public License version 2 only, as

     8  * published by the Free Software Foundation.  Oracle designates this

     9  * particular file as subject to the "Classpath" exception as provided

    10  * by Oracle in the LICENSE file that accompanied this code.

    11  *

    12  * This code is distributed in the hope that it will be useful, but WITHOUT

    13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    15  * version 2 for more details (a copy is included in the LICENSE file that

    16  * accompanied this code).

    17  *

    18  * You should have received a copy of the GNU General Public License version

    19  * 2 along with this work; if not, write to the Free Software Foundation,

    20  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    21  *

    22  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    23  * or visit www.oracle.com if you need additional information or have any

    24  * questions.

    25  */

    26 package sun.tools.attach;

    27 

    28 import com.sun.tools.attach.VirtualMachine;

    29 import com.sun.tools.attach.VirtualMachineDescriptor;

    30 import com.sun.tools.attach.AttachNotSupportedException;

    31 import com.sun.tools.attach.spi.AttachProvider;

    32 

    33 import java.io.IOException;

    34 

    35 // Based on 'LinuxAttachProvider.java'. All occurrences of the string

    36 // "Linux" have been textually replaced by "Aix" to avoid confusion.

    37 

    38 /*

    39  * An AttachProvider implementation for Aix that uses a UNIX domain

    40  * socket.

    41  */

    42 public class AixAttachProvider extends HotSpotAttachProvider {

    43 

    44     // perf counter for the JVM version

    45     private static final String JVM_VERSION = "java.property.java.vm.version";

    46 

    47     public AixAttachProvider() {

    48     }

    49 

    50     public String name() {

    51         return "sun";

    52     }

    53 

    54     public String type() {

    55         return "socket";

    56     }

    57 

    58     public VirtualMachine attachVirtualMachine(String vmid)

    59         throws AttachNotSupportedException, IOException

    60     {

    61         checkAttachPermission();

    62 

    63         // AttachNotSupportedException will be thrown if the target VM can be determined

    64         // to be not attachable.

    65         testAttachable(vmid);

    66 

    67         return new AixVirtualMachine(this, vmid);

    68     }

    69 

    70     public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)

    71         throws AttachNotSupportedException, IOException

    72     {

    73         if (vmd.provider() != this) {

    74             throw new AttachNotSupportedException("provider mismatch");

    75         }

    76         // To avoid re-checking if the VM if attachable, we check if the descriptor

    77         // is for a hotspot VM - these descriptors are created by the listVirtualMachines

    78         // implementation which only returns a list of attachable VMs.

    79         if (vmd instanceof HotSpotVirtualMachineDescriptor) {

    80             assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();

    81             checkAttachPermission();

    82             return new AixVirtualMachine(this, vmd.id());

    83         } else {

    84             return attachVirtualMachine(vmd.id());

    85         }

    86     }

    87 

    88 }