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