*/
package org.opendaylight.protocol.pcep.impl.object;
-import org.opendaylight.protocol.pcep.PCEPDeserializerException;
-import org.opendaylight.protocol.pcep.PCEPDocumentedException;
-import org.opendaylight.protocol.pcep.impl.Util;
-import org.opendaylight.protocol.pcep.spi.AbstractObjectParser;
-import org.opendaylight.protocol.pcep.spi.SubobjectHandlerRegistry;
-import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
-import org.opendaylight.protocol.util.ByteArray;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.CloseObject;
+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 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.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.Tlv;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.message.c.close.message.CClose;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.message.c.close.message.CCloseBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.Tlvs;
+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 org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.c.close.TlvsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.tlvs.VendorInformationTlv;
/**
* Parser for {@link org.opendaylight.protocol.pcep.object.PCEPCloseObject PCEPCloseObject}
*/
-public class PCEPCloseObjectParser extends AbstractObjectParser<CCloseBuilder> {
-
- public static final int CLASS = 15;
-
- public static final int TYPE = 1;
-
- /*
- * lengths of fields in bytes
- */
- public static final int FLAGS_F_LENGTH = 1;
- public static final int REASON_F_LENGTH = 1;
-
- /*
- * offsets of fields in bytes
- */
- public static final int FLAGS_F_OFFSET = 2; // added reserved field of size 2 bytes
- public static final int REASON_F_OFFSET = FLAGS_F_OFFSET + FLAGS_F_LENGTH;
-
- /*
- * total size of object in bytes
- */
- public static final int TLVS_OFFSET = REASON_F_OFFSET + REASON_F_LENGTH;
-
- public PCEPCloseObjectParser(final SubobjectHandlerRegistry subobjReg, final TlvHandlerRegistry tlvReg) {
- super(subobjReg, tlvReg);
- }
-
- @Override
- public CloseObject parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException, PCEPDocumentedException {
- 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) (bytes[REASON_F_OFFSET] & 0xFF));
-
- 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 CloseObject)) {
- throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed CloseObject.");
- }
-
- final CloseObject obj = (CloseObject) object;
-
- final byte[] tlvs = serializeTlvs(obj.getTlvs());
- int tlvsLength = 0;
- if (tlvs != null) {
- tlvsLength = tlvs.length;
- }
- final byte[] retBytes = new byte[TLVS_OFFSET + tlvsLength + Util.getPadding(TLVS_OFFSET + tlvs.length, PADDED_TO)];
-
- if (tlvs != null) {
- ByteArray.copyWhole(tlvs, retBytes, TLVS_OFFSET);
- }
-
- final int reason = ((CClose) obj).getReason().intValue();
-
- retBytes[REASON_F_OFFSET] = (byte) reason;
-
- return 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 class PCEPCloseObjectParser extends AbstractObjectWithTlvsParser<TlvsBuilder> {
+
+ public static final int CLASS = 15;
+
+ public static final int TYPE = 1;
+
+ /*
+ * lengths of fields in bytes
+ */
+ private static final int RESERVED = 2;
+ private static final int FLAGS_F_LENGTH = 1;
+
+ public PCEPCloseObjectParser(final TlvRegistry tlvReg, final VendorInformationTlvRegistry viTlvReg) {
+ super(tlvReg, viTlvReg);
+ }
+
+
+ @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.skipBytes(FLAGS_F_LENGTH + RESERVED);
+ builder.setReason(bytes.readUnsignedByte());
+ final TlvsBuilder tlvsBuilder = new TlvsBuilder();
+ parseTlvs(tlvsBuilder, bytes.slice());
+ builder.setTlvs(tlvsBuilder.build());
+ return builder.build();
+ }
+
+ @Override
+ public void serializeObject(final Object object, final ByteBuf buffer) {
+ Preconditions.checkArgument(object instanceof CClose, "Wrong instance of PCEPObject. Passed %s. Needed CCloseObject.", object.getClass());
+ final CClose obj = (CClose) object;
+ final ByteBuf body = Unpooled.buffer();
+ body.writeZero(RESERVED + FLAGS_F_LENGTH);
+ Preconditions.checkArgument(obj.getReason() != null, "Reason is mandatory.");
+ writeUnsignedByte(obj.getReason(), body);
+ serializeTlvs(obj.getTlvs(), body);
+ ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
+ }
+
+ public void serializeTlvs(final Tlvs tlvs, final ByteBuf body) {
+ if (tlvs == null) {
+ return;
+ }
+ serializeVendorInformationTlvs(tlvs.getVendorInformationTlv(), body);
+ }
+
+
+ @Override
+ protected final void addVendorInformationTlvs(final TlvsBuilder builder, final List<VendorInformationTlv> tlvs) {
+ if (!tlvs.isEmpty()) {
+ builder.setVendorInformationTlv(tlvs);
+ }
+ }
}
Code Review / bgpcep.git / blobdiff