1/*
2 * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2013 SAP SE. 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 */
26package sun.tools.attach;
27
28import com.sun.tools.attach.VirtualMachine;
29import com.sun.tools.attach.VirtualMachineDescriptor;
30import com.sun.tools.attach.AttachNotSupportedException;
31import 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 */
39public 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}
83