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 }