*/
package org.opendaylight.protocol.pcep.ietf.stateful07;
+import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeMedium;
import com.google.common.base.Preconditions;
+import com.google.common.primitives.UnsignedBytes;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
-import java.util.BitSet;
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.protocol.util.ByteArray;
+import org.opendaylight.protocol.util.BitArray;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.OperationalStatus;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.PlspId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.error.code.tlv.LspErrorCode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.LspBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.lsp.Tlvs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.lsp.TlvsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.path.binding.tlv.PathBinding;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.rsvp.error.spec.tlv.RsvpErrorSpec;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.symbolic.path.name.tlv.SymbolicPathName;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
public static final int TYPE = 1;
- /*
- * offset of TLVs offset of other fields are not defined as constants
- * because of non-standard mapping of bits
- */
- protected static final int TLVS_OFFSET = 4;
-
/*
* 12b extended to 16b so first 4b are restricted (belongs to LSP ID)
*/
- protected static final int DELEGATE_FLAG_OFFSET = 15;
- protected static final int SYNC_FLAG_OFFSET = 14;
- protected static final int REMOVE_FLAG_OFFSET = 13;
- protected static final int ADMINISTRATIVE_FLAG_OFFSET = 12;
- protected static final int OPERATIONAL_OFFSET = 9;
+ protected static final int DELEGATE = 11;
+ protected static final int SYNC = 10;
+ protected static final int REMOVE = 9;
+ protected static final int ADMINISTRATIVE = 8;
+ protected static final int OPERATIONAL = 5;
+
+ protected static final int FOUR_BITS_SHIFT = 4;
+ protected static final int FLAGS_SIZE = 12;
public Stateful07LspObjectParser(final TlvRegistry tlvReg, final VendorInformationTlvRegistry viTlvReg) {
super(tlvReg, viTlvReg);
final LspBuilder builder = new LspBuilder();
builder.setIgnore(header.isIgnore());
builder.setProcessingRule(header.isProcessingRule());
- int[] plspIdRaw = new int[] { bytes.readUnsignedByte(), bytes.readUnsignedByte(), bytes.getUnsignedByte(2), };
- builder.setPlspId(new PlspId((long) ((plspIdRaw[0] << 12) | (plspIdRaw[1] << 4) | (plspIdRaw[2] >> 4))));
- final BitSet flags = ByteArray.bytesToBitSet(ByteArray.readBytes(bytes, 2));
- builder.setDelegate(flags.get(DELEGATE_FLAG_OFFSET));
- builder.setSync(flags.get(SYNC_FLAG_OFFSET));
- builder.setRemove(flags.get(REMOVE_FLAG_OFFSET));
- builder.setAdministrative(flags.get(ADMINISTRATIVE_FLAG_OFFSET));
- short s = 0;
- s |= flags.get(OPERATIONAL_OFFSET + 2) ? 1 : 0;
- s |= (flags.get(OPERATIONAL_OFFSET + 1) ? 1 : 0) << 1;
- s |= (flags.get(OPERATIONAL_OFFSET) ? 1 : 0) << 2;
- builder.setOperational(OperationalStatus.forValue(s));
+ final int[] plspIdRaw = new int[] { bytes.readUnsignedByte(), bytes.readUnsignedByte(), bytes.getUnsignedByte(2), };
+ builder.setPlspId(new PlspId((long) ((plspIdRaw[0] << FLAGS_SIZE) | (plspIdRaw[1] << FOUR_BITS_SHIFT) | (plspIdRaw[2] >> FOUR_BITS_SHIFT))));
+ parseFlags(builder, bytes);
final TlvsBuilder b = new TlvsBuilder();
parseTlvs(b, bytes.slice());
builder.setTlvs(b.build());
return builder.build();
}
+ protected void parseFlags(final LspBuilder builder, final ByteBuf bytes) {
+ final BitArray flags = BitArray.valueOf(bytes, FLAGS_SIZE);
+ builder.setDelegate(flags.get(DELEGATE));
+ builder.setSync(flags.get(SYNC));
+ builder.setRemove(flags.get(REMOVE));
+ builder.setAdministrative(flags.get(ADMINISTRATIVE));
+ short s = 0;
+ s |= flags.get(OPERATIONAL + 2) ? 1 : 0;
+ s |= (flags.get(OPERATIONAL + 1) ? 1 : 0) << 1;
+ s |= (flags.get(OPERATIONAL) ? 1 : 0) << 2;
+ builder.setOperational(OperationalStatus.forValue(s));
+ }
+
@Override
public void addTlv(final TlvsBuilder builder, final Tlv tlv) {
if (tlv instanceof LspErrorCode) {
builder.setSymbolicPathName((SymbolicPathName) tlv);
} else if (tlv instanceof VsTlv) {
builder.setVsTlv((VsTlv) tlv);
+ } else if (tlv instanceof PathBinding) {
+ builder.setPathBinding((PathBinding) tlv);
}
}
Preconditions.checkArgument(object instanceof Lsp, "Wrong instance of PCEPObject. Passed %s . Needed LspObject.", object.getClass());
final Lsp specObj = (Lsp) object;
final ByteBuf body = Unpooled.buffer();
-
- final byte[] retBytes = new byte[4];
-
Preconditions.checkArgument(specObj.getPlspId() != null, "PLSP-ID not present");
- final int lspID = specObj.getPlspId().getValue().intValue();
- retBytes[0] = (byte) (lspID >> 12);
- retBytes[1] = (byte) (lspID >> 4);
- retBytes[2] = (byte) (lspID << 4);
- if (specObj.isDelegate() != null && specObj.isDelegate()) {
- retBytes[3] |= 1 << (Byte.SIZE - (DELEGATE_FLAG_OFFSET - Byte.SIZE) - 1);
- }
- if (specObj.isRemove() != null && specObj.isRemove()) {
- retBytes[3] |= 1 << (Byte.SIZE - (REMOVE_FLAG_OFFSET - Byte.SIZE) - 1);
- }
- if (specObj.isSync() != null && specObj.isSync()) {
- retBytes[3] |= 1 << (Byte.SIZE - (SYNC_FLAG_OFFSET - Byte.SIZE) - 1);
- }
- if (specObj.isAdministrative() != null && specObj.isAdministrative()) {
- retBytes[3] |= 1 << (Byte.SIZE - (ADMINISTRATIVE_FLAG_OFFSET - Byte.SIZE) - 1);
- }
+ writeMedium(specObj.getPlspId().getValue().intValue() << FOUR_BITS_SHIFT, body);
+ final BitArray flags = serializeFlags(specObj);
+ byte op = 0;
if (specObj.getOperational() != null) {
- final int op = specObj.getOperational().getIntValue();
- retBytes[3] |= (op & 7) << 4;
+ op = UnsignedBytes.checkedCast(specObj.getOperational().getIntValue());
+ op = (byte) (op << FOUR_BITS_SHIFT);
}
- body.writeBytes(retBytes);
+ final byte[] res = flags.array();
+ res[res.length -1] = (byte) (res[res.length -1] | op);
+ body.writeByte(res[res.length -1]);
serializeTlvs(specObj.getTlvs(), body);
ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
}
+ protected BitArray serializeFlags(final Lsp specObj) {
+ final BitArray flags = new BitArray(FLAGS_SIZE);
+ flags.set(DELEGATE, specObj.isDelegate());
+ flags.set(REMOVE, specObj.isRemove());
+ flags.set(SYNC, specObj.isSync());
+ flags.set(ADMINISTRATIVE, specObj.isAdministrative());
+ return flags;
+ }
+
public void serializeTlvs(final Tlvs tlvs, final ByteBuf body) {
if (tlvs == null) {
return;
serializeTlv(tlvs.getVsTlv(), body);
}
serializeVendorInformationTlvs(tlvs.getVendorInformationTlv(), body);
+ if (tlvs.getPathBinding() != null) {
+ serializeTlv(tlvs.getPathBinding(), body);
+ }
}
@Override
Code Review / bgpcep.git / blobdiff