*/
package org.opendaylight.protocol.pcep.impl.object;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedShort;
+
+import com.google.common.base.Preconditions;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import java.util.List;
import org.opendaylight.protocol.pcep.spi.AbstractObjectWithTlvsParser;
import org.opendaylight.protocol.pcep.spi.ObjectUtil;
import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
-import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
-import org.opendaylight.protocol.util.ByteArray;
+import org.opendaylight.protocol.pcep.spi.TlvRegistry;
+import org.opendaylight.protocol.pcep.spi.VendorInformationTlvRegistry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.OfId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.Of;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.OfBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.of.Tlvs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.of.TlvsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.tlvs.VendorInformationTlv;
/**
* Parser for {@link Of}
*/
-public class PCEPObjectiveFunctionObjectParser extends AbstractObjectWithTlvsParser<OfBuilder> {
-
- public static final int CLASS = 21;
+public class PCEPObjectiveFunctionObjectParser extends AbstractObjectWithTlvsParser<TlvsBuilder> {
- public static final int TYPE = 1;
- /*
- * lengths of fields
- */
- private static final int OF_CODE_F_LENGTH = 2;
+ public static final int CLASS = 21;
- /*
- * offsets of fields
- */
- private static final int OF_CODE_F_OFFSET = 0;
- private static final int TLVS_OFFSET = OF_CODE_F_OFFSET + OF_CODE_F_LENGTH + 2;
+ public static final int TYPE = 1;
- public PCEPObjectiveFunctionObjectParser(final TlvHandlerRegistry tlvReg) {
- super(tlvReg);
- }
+ private static final int RESERVED = 2;
- @Override
- public Of parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException {
- if (bytes == null || bytes.length == 0) {
- throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
- }
- final OfBuilder builder = new OfBuilder();
- builder.setIgnore(header.isIgnore());
- builder.setProcessingRule(header.isProcessingRule());
- builder.setCode(new OfId(ByteArray.bytesToInt(ByteArray.subByte(bytes, OF_CODE_F_OFFSET, OF_CODE_F_LENGTH))));
- return builder.build();
- }
+ public PCEPObjectiveFunctionObjectParser(final TlvRegistry tlvReg, final VendorInformationTlvRegistry viTlvReg) {
+ super(tlvReg, viTlvReg);
+ }
- @Override
- public void addTlv(final OfBuilder builder, final Tlv tlv) {
- // No tlvs defined
- }
+ @Override
+ public Of parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
+ Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
+ final OfBuilder builder = new OfBuilder();
+ builder.setIgnore(header.isIgnore());
+ builder.setProcessingRule(header.isProcessingRule());
+ builder.setCode(new OfId(bytes.readUnsignedShort()));
+ bytes.readBytes(RESERVED);
+ final TlvsBuilder tlvsBuilder = new TlvsBuilder();
+ parseTlvs(tlvsBuilder, bytes.slice());
+ builder.setTlvs(tlvsBuilder.build());
+ return builder.build();
+ }
- @Override
- public byte[] serializeObject(final Object object) {
- if (!(object instanceof Of)) {
- throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass()
- + ". Needed PCEPObjectiveFunction.");
- }
- final Of specObj = (Of) object;
- final byte[] retBytes = new byte[TLVS_OFFSET + 0];
- ByteArray.copyWhole(ByteArray.shortToBytes(specObj.getCode().getValue().shortValue()), retBytes, OF_CODE_F_OFFSET);
- return ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), retBytes);
- }
+ @Override
+ public void serializeObject(final Object object, final ByteBuf buffer) {
+ Preconditions.checkArgument(object instanceof Of, "Wrong instance of PCEPObject. Passed %s. Needed OfObject.", object.getClass());
+ final Of specObj = (Of) object;
+ final ByteBuf body = Unpooled.buffer();
+ Preconditions.checkArgument(specObj.getCode() != null, "Code is mandatory");
+ writeUnsignedShort(specObj.getCode().getValue(), body);
+ body.writeZero(RESERVED);
+ serializeTlvs(specObj.getTlvs(), body);
+ ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
+ }
- @Override
- public int getObjectType() {
- return TYPE;
- }
+ public void serializeTlvs(final Tlvs tlvs, final ByteBuf body) {
+ if (tlvs == null) {
+ return;
+ }
+ serializeVendorInformationTlvs(tlvs.getVendorInformationTlv(), body);
+ }
- @Override
- public int getObjectClass() {
- return CLASS;
- }
+ @Override
+ protected final void addVendorInformationTlvs(final TlvsBuilder builder, final List<VendorInformationTlv> tlvs) {
+ if (!tlvs.isEmpty()) {
+ builder.setVendorInformationTlv(tlvs);
+ }
+ }
}