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80 lines
2.8 KiB
Java
80 lines
2.8 KiB
Java
/*
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* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.tools.attach;
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import com.sun.tools.attach.VirtualMachine;
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import com.sun.tools.attach.VirtualMachineDescriptor;
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import com.sun.tools.attach.AttachNotSupportedException;
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import java.io.IOException;
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/*
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* An AttachProvider implementation for Linux that uses a UNIX domain
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* socket.
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*/
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public class AttachProviderImpl extends HotSpotAttachProvider {
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public AttachProviderImpl() {
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}
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public String name() {
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return "sun";
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}
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public String type() {
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return "socket";
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}
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public VirtualMachine attachVirtualMachine(String vmid)
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throws AttachNotSupportedException, IOException
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{
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checkAttachPermission();
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// AttachNotSupportedException will be thrown if the target VM can be determined
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// to be not attachable.
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testAttachable(vmid);
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return new VirtualMachineImpl(this, vmid);
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}
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public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)
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throws AttachNotSupportedException, IOException
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{
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if (vmd.provider() != this) {
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throw new AttachNotSupportedException("provider mismatch");
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}
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// To avoid re-checking if the VM if attachable, we check if the descriptor
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// is for a hotspot VM - these descriptors are created by the listVirtualMachines
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// implementation which only returns a list of attachable VMs.
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if (vmd instanceof HotSpotVirtualMachineDescriptor) {
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assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();
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checkAttachPermission();
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return new VirtualMachineImpl(this, vmd.id());
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} else {
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return attachVirtualMachine(vmd.id());
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}
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}
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}
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