*/
package org.opendaylight.protocol.pcep.impl.object;
-import org.opendaylight.protocol.pcep.spi.AbstractObjectWithTlvsParser;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeFloat32;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedByte;
+
+import com.google.common.base.Preconditions;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import org.opendaylight.protocol.pcep.spi.ObjectParser;
+import org.opendaylight.protocol.pcep.spi.ObjectSerializer;
import org.opendaylight.protocol.pcep.spi.ObjectUtil;
import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
-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.network.concepts.rev131125.Bandwidth;
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.load.balancing.object.LoadBalancing;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.load.balancing.object.LoadBalancingBuilder;
-import com.google.common.primitives.UnsignedBytes;
-
/**
* Parser for {@link LoadBalancing}
*/
-public class PCEPLoadBalancingObjectParser extends AbstractObjectWithTlvsParser<LoadBalancingBuilder> {
-
- public static final int CLASS = 14;
-
- public static final int TYPE = 1;
-
- private static final int FLAGS_F_LENGTH = 1;
- private static final int MAX_LSP_F_LENGTH = 1;
- private static final int MIN_BAND_F_LENGTH = 4;
-
- private static final int FLAGS_F_OFFSET = 2;
- private static final int MAX_LSP_F_OFFSET = FLAGS_F_OFFSET + FLAGS_F_LENGTH;
- private static final int MIN_BAND_F_OFFSET = MAX_LSP_F_OFFSET + MAX_LSP_F_LENGTH;
+public class PCEPLoadBalancingObjectParser implements ObjectParser, ObjectSerializer {
- private static final int SIZE = MIN_BAND_F_OFFSET + MIN_BAND_F_LENGTH;
+ public static final int CLASS = 14;
- public PCEPLoadBalancingObjectParser(final TlvRegistry tlvReg) {
- super(tlvReg);
- }
+ public static final int TYPE = 1;
- @Override
- public LoadBalancing parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException {
- if (bytes == null || bytes.length == 0) {
- throw new IllegalArgumentException("Byte array is mandatory. Can't be null or empty.");
- }
- if (bytes.length != SIZE) {
- throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.length + "; Expected: " + SIZE + ".");
- }
- final LoadBalancingBuilder builder = new LoadBalancingBuilder();
- builder.setIgnore(header.isIgnore());
- builder.setProcessingRule(header.isProcessingRule());
- builder.setMaxLsp((short) UnsignedBytes.toInt(bytes[MAX_LSP_F_OFFSET]));
- builder.setMinBandwidth(new Bandwidth(ByteArray.subByte(bytes, MIN_BAND_F_OFFSET, MIN_BAND_F_LENGTH)));
- return builder.build();
- }
+ private static final int RESERVED = 2;
+ private static final int FLAGS_F_LENGTH = 1;
- @Override
- public byte[] serializeObject(final Object object) {
- if (!(object instanceof LoadBalancing)) {
- throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass()
- + ". Needed LoadBalancingObject.");
- }
- final LoadBalancing specObj = (LoadBalancing) object;
- final byte[] retBytes = new byte[SIZE];
- retBytes[MAX_LSP_F_OFFSET] = UnsignedBytes.checkedCast(specObj.getMaxLsp());
- ByteArray.copyWhole(specObj.getMinBandwidth().getValue(), retBytes, MIN_BAND_F_OFFSET);
- return ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), retBytes);
- }
+ private static final int SIZE = 8;
- @Override
- public int getObjectType() {
- return TYPE;
- }
+ @Override
+ public LoadBalancing 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.");
+ if (bytes.readableBytes() != SIZE) {
+ throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.readableBytes() + "; Expected: " + SIZE
+ + ".");
+ }
+ final LoadBalancingBuilder builder = new LoadBalancingBuilder();
+ builder.setIgnore(header.isIgnore());
+ builder.setProcessingRule(header.isProcessingRule());
+ bytes.skipBytes(RESERVED + FLAGS_F_LENGTH);
+ builder.setMaxLsp(bytes.readUnsignedByte());
+ builder.setMinBandwidth(new Bandwidth(ByteArray.readAllBytes(bytes)));
+ return builder.build();
+ }
- @Override
- public int getObjectClass() {
- return CLASS;
- }
+ @Override
+ public void serializeObject(final Object object, final ByteBuf buffer) {
+ Preconditions.checkArgument(object instanceof LoadBalancing, "Wrong instance of PCEPObject. Passed %s. Needed LoadBalancingObject.", object.getClass());
+ final LoadBalancing specObj = (LoadBalancing) object;
+ final ByteBuf body = Unpooled.buffer(SIZE);
+ body.writeZero(RESERVED + FLAGS_F_LENGTH);
+ writeUnsignedByte(specObj.getMaxLsp(), body);
+ writeFloat32(specObj.getMinBandwidth(), body);
+ ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
+ }
}