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package org.openslx.runvirt.virtualization;
import org.libvirt.Domain;
import org.libvirt.LibvirtException;
/**
* Representation of a Libvirt virtual machine.
*
* @author Manuel Bentele
* @version 1.0
*/
public class LibvirtVirtualMachine
{
/**
* Internal Libvirt virtualization configuration of the virtual machine.
*/
private Domain domain;
/**
* Libvirt virtualization configuration of the virtual machine.
*/
private org.openslx.libvirt.domain.Domain configuration;
/**
* Creates a new Libvirt virtual machine specified by a virtualization configuration.
*
* @param internalConfiguration internal Libvirt virtualization configuration to specify the
* Libvirt virtual machine.
* @param configuration Libvirt virtualization configuration to specify the Libvirt virtual
* machine.
*/
LibvirtVirtualMachine( Domain internalConfiguration, org.openslx.libvirt.domain.Domain configuration )
{
this.domain = internalConfiguration;
this.configuration = configuration;
}
/**
* Returns the internal Libvirt virtualization configuration of the Libvirt virtual machine.
*
* @return internal Libvirt virtualization configuration of the Libvirt virtual machine.
*/
Domain getLibvirtDomain()
{
return this.domain;
}
/**
* Returns the Libvirt virtualization configuration of the Libvirt virtual machine.
*
* @return Libvirt virtualization configuration of the Libvirt virtual machine.
*/
public org.openslx.libvirt.domain.Domain getConfiguration()
{
return this.configuration;
}
/**
* Checks if the Libvirt virtual machine is running.
*
* @return state of the Libvirt virtual machine whether it is running or not.
* @throws LibvirtVirtualMachineException failed to check if Libvirt machine is running or not.
*/
public boolean isRunning() throws LibvirtVirtualMachineException
{
int state = 0;
try {
state = this.domain.isActive();
} catch ( LibvirtException e ) {
throw new LibvirtVirtualMachineException( e.getLocalizedMessage() );
}
return ( state == 0 ) ? false : true;
}
/**
* Starts the Libvirt virtual machine.
*
* @throws LibvirtVirtualMachineException failed to start the Libvirt virtual machine.
*/
public void start() throws LibvirtVirtualMachineException
{
if ( !this.isRunning() ) {
try {
this.domain.create();
} catch ( LibvirtException e ) {
throw new LibvirtVirtualMachineException( e.getLocalizedMessage() );
}
}
}
/**
* Stops the Libvirt virtual machine.
*
* @throws LibvirtVirtualMachineException failed to stop the Libvirt virtual machine.
*/
public void stop() throws LibvirtVirtualMachineException
{
if ( this.isRunning() ) {
try {
this.domain.shutdown();
} catch ( LibvirtException e ) {
throw new LibvirtVirtualMachineException( e.getLocalizedMessage() );
}
}
}
/**
* Suspends the Libvirt virtual machine.
*
* @throws LibvirtVirtualMachineException failed to suspend the Libvirt virtual machine.
*/
public void suspend() throws LibvirtVirtualMachineException
{
try {
this.domain.suspend();
} catch ( LibvirtException e ) {
throw new LibvirtVirtualMachineException( e.getLocalizedMessage() );
}
}
/**
* Resumes the Libvirt virtual machine.
*
* @throws LibvirtVirtualMachineException faild to resume the Libvirt virtual machine.
*/
public void resume() throws LibvirtVirtualMachineException
{
try {
this.domain.resume();
} catch ( LibvirtException e ) {
throw new LibvirtVirtualMachineException( e.getLocalizedMessage() );
}
}
/**
* Reboot the Libvirt virtual machine.
*
* @throws LibvirtVirtualMachineException failed to reboot the Libvirt virtual machine.
*/
public void reboot() throws LibvirtVirtualMachineException
{
try {
this.domain.reboot( 0 );
} catch ( LibvirtException e ) {
throw new LibvirtVirtualMachineException( e.getLocalizedMessage() );
}
}
}
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