[qemu] Add filtering/transformation of config files and VM management

1 files changed, 58 insertions, 0 deletions

diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/FilterGenericParallelDevices.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/FilterGenericParallelDevices.java
new file mode 100644
index 00000000..458f69cb
--- /dev/null
+++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/FilterGenericParallelDevices.java
@@ -0,0 +1,58 @@
+package org.openslx.runvirt.plugin.qemu.configuration;
+
+import java.util.ArrayList;
+
+import org.openslx.libvirt.domain.Domain;
+import org.openslx.libvirt.domain.device.Parallel;
+import org.openslx.libvirt.domain.device.Parallel.Type;
+import org.openslx.runvirt.configuration.FilterException;
+import org.openslx.runvirt.configuration.FilterGeneric;
+import org.openslx.runvirt.plugin.qemu.cmdln.CommandLineArgs;
+import org.openslx.vm.QemuMetaDataUtils;
+
+public class FilterGenericParallelDevices extends FilterGeneric<Domain, CommandLineArgs>
+{
+	private static final String FILTER_NAME = "Parallel devices";
+
+	public FilterGenericParallelDevices()
+	{
+		super( FilterGenericParallelDevices.FILTER_NAME );
+	}
+
+	private void filterParallelDevice( Domain config, String fileName, int index ) throws FilterException
+	{
+		final ArrayList<Parallel> devices = config.getParallelDevices();
+		final Parallel device = QemuMetaDataUtils.getArrayIndex( devices, index );
+
+		if ( device == null ) {
+			// check if device file name is specified
+			if ( fileName != null ) {
+				// parallel port device does not exist, so create new parallel port device
+				final Parallel newDevice = config.addParallelDevice();
+				newDevice.setType( Type.DEV );
+				newDevice.setSource( fileName );
+			}
+		} else {
+			if ( fileName == null ) {
+				// remove device since device file is not specified
+				device.remove();
+			} else {
+				// change type and source of existing parallel port device
+				device.setType( Type.DEV );
+				device.setSource( fileName );
+			}
+		}
+	}
+
+	@Override
+	public void filter( Domain config, CommandLineArgs args ) throws FilterException
+	{
+		this.filterParallelDevice( config, args.getVmDeviceSerial0(), 0 );
+
+		// remove all additional parallel devices
+		final ArrayList<Parallel> devices = config.getParallelDevices();
+		for ( int i = 1; i < devices.size(); i++ ) {
+			devices.get( i ).remove();
+		}
+	}
+}