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 java.io.IOException;
  32 
  33 // Based on linux/classes/sun/tools/attach/AttachProviderImpl.java.
  34 
  35 /*
  36  * An AttachProvider implementation for Aix that uses a UNIX domain
  37  * socket.
  38  */
  39 public class AttachProviderImpl extends HotSpotAttachProvider {
  40 
  41     public AttachProviderImpl() {
  42     }
  43 
  44     public String name() {
  45         return "sun";
  46     }
  47 
  48     public String type() {
  49         return "socket";
  50     }
  51 
  52     public VirtualMachine attachVirtualMachine(String vmid)
  53         throws AttachNotSupportedException, IOException
  54     {
  55         checkAttachPermission();
  56 
  57         // AttachNotSupportedException will be thrown if the target VM can be determined
  58         // to be not attachable.
  59         testAttachable(vmid);
  60 
  61         return new VirtualMachineImpl(this, vmid);
  62     }
  63 
  64     public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)
  65         throws AttachNotSupportedException, IOException
  66     {
  67         if (vmd.provider() != this) {
  68             throw new AttachNotSupportedException("provider mismatch");
  69         }
  70         // To avoid re-checking if the VM if attachable, we check if the descriptor
  71         // is for a hotspot VM - these descriptors are created by the listVirtualMachines
  72         // implementation which only returns a list of attachable VMs.
  73         if (vmd instanceof HotSpotVirtualMachineDescriptor) {
  74             assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();
  75             checkAttachPermission();
  76             return new VirtualMachineImpl(this, vmd.id());
  77         } else {
  78             return attachVirtualMachine(vmd.id());
  79         }
  80     }
  81 
  82 }