*/
package org.opendaylight.protocol.pcep.impl.object;
+import com.google.common.base.Preconditions;
+import com.google.common.primitives.UnsignedBytes;
+
+import io.netty.buffer.ByteBuf;
+
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.pcep.spi.TlvRegistry;
import org.opendaylight.protocol.util.ByteArray;
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.Tlv;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.CClose;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.CCloseBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.c.close.Tlvs;
-import com.google.common.primitives.UnsignedBytes;
-
/**
* Parser for {@link org.opendaylight.protocol.pcep.object.PCEPCloseObject PCEPCloseObject}
*/
public class PCEPCloseObjectParser extends AbstractObjectWithTlvsParser<CCloseBuilder> {
- public static final int CLASS = 15;
-
- public static final int TYPE = 1;
-
- /*
- * lengths of fields in bytes
- */
- private static final int FLAGS_F_LENGTH = 1;
- private static final int REASON_F_LENGTH = 1;
-
- /*
- * offsets of fields in bytes
- */
- private static final int FLAGS_F_OFFSET = 2;
- private static final int REASON_F_OFFSET = FLAGS_F_OFFSET + FLAGS_F_LENGTH;
-
- /*
- * total size of object in bytes
- */
- private static final int TLVS_OFFSET = REASON_F_OFFSET + REASON_F_LENGTH;
-
- public PCEPCloseObjectParser(final TlvHandlerRegistry tlvReg) {
- super(tlvReg);
- }
-
- @Override
- public CClose parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException {
- if (bytes == null) {
- throw new IllegalArgumentException("Byte array is mandatory.");
- }
- final CCloseBuilder builder = new CCloseBuilder();
- parseTlvs(builder, ByteArray.cutBytes(bytes, TLVS_OFFSET));
- builder.setIgnore(header.isIgnore());
- builder.setProcessingRule(header.isProcessingRule());
- builder.setReason((short) UnsignedBytes.toInt(bytes[REASON_F_OFFSET]));
- return builder.build();
- }
-
- @Override
- public void addTlv(final CCloseBuilder builder, final Tlv tlv) {
- // No tlvs defined
- }
-
- @Override
- public byte[] serializeObject(final Object object) {
- if (!(object instanceof CClose)) {
- throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed CloseObject.");
- }
- final CClose obj = (CClose) object;
-
- final byte[] tlvs = serializeTlvs(obj.getTlvs());
- int tlvsLength = 0;
- if (tlvs != null) {
- tlvsLength = tlvs.length;
- }
- final byte[] retBytes = new byte[TLVS_OFFSET + tlvsLength + getPadding(TLVS_OFFSET + tlvs.length, PADDED_TO)];
-
- if (tlvs != null) {
- ByteArray.copyWhole(tlvs, retBytes, TLVS_OFFSET);
- }
- retBytes[REASON_F_OFFSET] = UnsignedBytes.checkedCast(obj.getReason());
- return ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), retBytes);
- }
-
- public byte[] serializeTlvs(final Tlvs tlvs) {
- // No tlvs defined
- return new byte[0];
- }
-
- @Override
- public int getObjectType() {
- return TYPE;
- }
-
- @Override
- public int getObjectClass() {
- return CLASS;
- }
+ public static final int CLASS = 15;
+
+ public static final int TYPE = 1;
+
+ /*
+ * lengths of fields in bytes
+ */
+ private static final int FLAGS_F_LENGTH = 1;
+ private static final int REASON_F_LENGTH = 1;
+
+ /*
+ * offsets of fields in bytes
+ */
+ private static final int FLAGS_F_OFFSET = 2;
+ private static final int REASON_F_OFFSET = FLAGS_F_OFFSET + FLAGS_F_LENGTH;
+
+ /*
+ * total size of object in bytes
+ */
+ private static final int TLVS_OFFSET = REASON_F_OFFSET + REASON_F_LENGTH;
+
+ public PCEPCloseObjectParser(final TlvRegistry tlvReg) {
+ super(tlvReg);
+ }
+
+ @Override
+ public CClose 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 CCloseBuilder builder = new CCloseBuilder();
+ builder.setIgnore(header.isIgnore());
+ builder.setProcessingRule(header.isProcessingRule());
+ bytes.readerIndex(bytes.readerIndex() + REASON_F_OFFSET);
+ builder.setReason((short) UnsignedBytes.toInt(bytes.readByte()));
+ parseTlvs(builder, bytes.slice());
+ return builder.build();
+ }
+
+ @Override
+ public byte[] serializeObject(final Object object) {
+ if (!(object instanceof CClose)) {
+ throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed CloseObject.");
+ }
+ final CClose obj = (CClose) object;
+
+ final byte[] tlvs = serializeTlvs(obj.getTlvs());
+ int tlvsLength = 0;
+ if (tlvs != null) {
+ tlvsLength = tlvs.length;
+ }
+ final byte[] retBytes = new byte[TLVS_OFFSET + tlvsLength + getPadding(TLVS_OFFSET + tlvs.length, PADDED_TO)];
+
+ if (tlvs != null) {
+ ByteArray.copyWhole(tlvs, retBytes, TLVS_OFFSET);
+ }
+ retBytes[REASON_F_OFFSET] = UnsignedBytes.checkedCast(obj.getReason());
+ return ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), retBytes);
+ }
+
+ public byte[] serializeTlvs(final Tlvs tlvs) {
+ // No tlvs defined
+ return new byte[0];
+ }
}